From d6f244f7d9f52462bafb608f23494707eeb24751 Mon Sep 17 00:00:00 2001 From: Jesse Luehrs Date: Sun, 20 Apr 2014 22:57:28 -0400 Subject: clean up the directory structure a bit --- Makefile | 24 +- config.c | 248 ----- config.h | 6 - display.c | 563 ----------- display.h | 39 - parser.c | 2776 ----------------------------------------------------- parser.h | 6 - parser.l | 676 ------------- pty-unix.c | 138 --- pty-unix.h | 17 - runes.c | 19 - runes.h | 35 - src/config.c | 248 +++++ src/config.h | 6 + src/display.c | 563 +++++++++++ src/display.h | 39 + src/parser.c | 2776 +++++++++++++++++++++++++++++++++++++++++++++++++++++ src/parser.h | 6 + src/parser.l | 676 +++++++++++++ src/pty-unix.c | 138 +++ src/pty-unix.h | 17 + src/runes.c | 19 + src/runes.h | 35 + src/term.c | 33 + src/term.h | 63 ++ src/window-xlib.c | 532 ++++++++++ src/window-xlib.h | 46 + term.c | 33 - term.h | 63 -- window-xlib.c | 532 ---------- window-xlib.h | 46 - 31 files changed, 5214 insertions(+), 5204 deletions(-) delete mode 100644 config.c delete mode 100644 config.h delete mode 100644 display.c delete mode 100644 display.h delete mode 100644 parser.c delete mode 100644 parser.h delete mode 100644 parser.l delete mode 100644 pty-unix.c delete mode 100644 pty-unix.h delete mode 100644 runes.c delete mode 100644 runes.h create mode 100644 src/config.c create mode 100644 src/config.h create mode 100644 src/display.c create mode 100644 src/display.h create mode 100644 src/parser.c create mode 100644 src/parser.h create mode 100644 src/parser.l create mode 100644 src/pty-unix.c create mode 100644 src/pty-unix.h create mode 100644 src/runes.c create mode 100644 src/runes.h create mode 100644 src/term.c create mode 100644 src/term.h create mode 100644 src/window-xlib.c create mode 100644 src/window-xlib.h delete mode 100644 term.c delete mode 100644 term.h delete mode 100644 window-xlib.c delete mode 100644 window-xlib.h diff --git a/Makefile b/Makefile index 141e7dd..866ed58 100644 --- a/Makefile +++ b/Makefile @@ -1,5 +1,13 @@ OUT = runes -OBJ = runes.o display.o term.o parser.o config.o window-xlib.o pty-unix.o +BUILD = build/ +SRC = src/ +OBJ = $(BUILD)runes.o \ + $(BUILD)display.o \ + $(BUILD)term.o \ + $(BUILD)parser.o \ + $(BUILD)config.o \ + $(BUILD)window-xlib.o \ + $(BUILD)pty-unix.o LIBS = cairo cairo-xlib libuv pangocairo CFLAGS ?= -g -Wall -Wextra -Werror LDFLAGS ?= -g -Wall -Wextra -Werror @@ -7,23 +15,25 @@ LDFLAGS ?= -g -Wall -Wextra -Werror ALLCFLAGS = $(shell pkg-config --cflags $(LIBS)) $(CFLAGS) ALLLDFLAGS = $(shell pkg-config --libs $(LIBS)) $(LDFLAGS) -MAKEDEPEND = $(CC) $(ALLCFLAGS) -M -MP -MT '$@ $(@:%.o=.%.d)' +MAKEDEPEND = $(CC) $(ALLCFLAGS) -M -MP -MT '$@ $(@:$(BUILD)%.o=$(BUILD).%.d)' build: $(OUT) $(OUT): $(OBJ) $(CC) $(ALLLDFLAGS) -o $@ $^ -%.o: %.c - @$(MAKEDEPEND) -o $(<:%.c=.%.d) $< +$(BUILD)%.o: $(SRC)%.c + @mkdir -p $(BUILD) + @$(MAKEDEPEND) -o $(<:$(SRC)%.c=$(BUILD).%.d) $< $(CC) $(ALLCFLAGS) -c -o $@ $< -%.c: %.l +$(SRC)%.c: $(SRC)%.l $(LEX) -o $@ $< clean: - rm -f $(OUT) $(OBJ) $(OBJ:%.o=.%.d) + rm -f $(OUT) $(OBJ) $(OBJ:$(BUILD)%.o=$(BUILD).%.d) + @rmdir -p $(BUILD) > /dev/null 2>&1 --include $(OBJ:%.o=.%.d) +-include $(OBJ:$(BUILD)%.o=$(BUILD).%.d) .PHONY: build clean diff --git a/config.c b/config.c deleted file mode 100644 index 0becda1..0000000 --- a/config.c +++ /dev/null @@ -1,248 +0,0 @@ -#include -#include -#include - -#include "runes.h" - -static void runes_config_set_defaults(RunesTerm *t); -static FILE *runes_config_get_config_file(); -static void runes_config_process_config_file(RunesTerm *t, FILE *config_file); -static void runes_config_set(RunesTerm *t, char *key, char *value); -static char runes_config_parse_bool(char *val); -static int runes_config_parse_uint(char *val); -static char *runes_config_parse_string(char *val); -static cairo_pattern_t *runes_config_parse_color(char *val); - -void runes_config_init(RunesTerm *t, int argc, char *argv[]) -{ - UNUSED(argc); - UNUSED(argv); - - memset((void *)t, 0, sizeof(*t)); - - runes_config_set_defaults(t); - runes_config_process_config_file(t, runes_config_get_config_file()); -} - -static void runes_config_set_defaults(RunesTerm *t) -{ - t->font_name = "monospace 10"; - t->bold_is_bright = 1; - t->bold_is_bold = 1; - t->audible_bell = 1; - - t->fgdefault = cairo_pattern_create_rgb(0.827, 0.827, 0.827); - t->bgdefault = cairo_pattern_create_rgb(0.0, 0.0, 0.0); - - t->colors[0] = cairo_pattern_create_rgb(0.0, 0.0, 0.0); - t->colors[1] = cairo_pattern_create_rgb(0.804, 0.0, 0.0); - t->colors[2] = cairo_pattern_create_rgb(0.0, 0.804, 0.0); - t->colors[3] = cairo_pattern_create_rgb(0.804, 0.804, 0.0); - t->colors[4] = cairo_pattern_create_rgb(0.0, 0.0, 0.804); - t->colors[5] = cairo_pattern_create_rgb(0.804, 0.0, 0.804); - t->colors[6] = cairo_pattern_create_rgb(0.0, 0.804, 0.804); - t->colors[7] = cairo_pattern_create_rgb(0.898, 0.898, 0.898); - - t->brightcolors[0] = cairo_pattern_create_rgb(0.302, 0.302, 0.302); - t->brightcolors[1] = cairo_pattern_create_rgb(1.0, 0.0, 0.0); - t->brightcolors[2] = cairo_pattern_create_rgb(0.0, 1.0, 0.0); - t->brightcolors[3] = cairo_pattern_create_rgb(1.0, 1.0, 0.0); - t->brightcolors[4] = cairo_pattern_create_rgb(0.0, 0.0, 1.0); - t->brightcolors[5] = cairo_pattern_create_rgb(1.0, 0.0, 1.0); - t->brightcolors[6] = cairo_pattern_create_rgb(0.0, 1.0, 1.0); - t->brightcolors[7] = cairo_pattern_create_rgb(1.0, 1.0, 1.0); - - t->default_rows = 24; - t->default_cols = 80; -} - -static FILE *runes_config_get_config_file() -{ - char *home, *config_dir, *path; - size_t home_len, config_dir_len; - FILE *file; - - home = getenv("HOME"); - home_len = strlen(home); - - config_dir = getenv("XDG_CONFIG_HOME"); - if (config_dir) { - config_dir = strdup(config_dir); - } - else { - config_dir = malloc(home_len + sizeof("/.config") + 1); - strcpy(config_dir, home); - strcpy(config_dir + home_len, "/.config"); - } - config_dir_len = strlen(config_dir); - - path = malloc(config_dir_len + sizeof("/runes/runes.conf") + 1); - strcpy(path, config_dir); - strcpy(path + config_dir_len, "/runes/runes.conf"); - free(config_dir); - - if ((file = fopen(path, "r"))) { - free(path); - return file; - } - - free(path); - path = malloc(home_len + sizeof("/.runesrc") + 1); - strcpy(path, home); - strcpy(path + home_len, "/.runesrc"); - - if ((file = fopen(path, "r"))) { - free(path); - return file; - } - - free(path); - - if ((file = fopen("/etc/runesrc", "r"))) { - return file; - } - - return NULL; -} - -static void runes_config_process_config_file(RunesTerm *t, FILE *config_file) -{ - char line[1024]; - - if (!config_file) { - return; - } - - while (fgets(line, 1024, config_file)) { - char *kbegin, *kend, *vbegin, *vend; - size_t len; - - len = strlen(line); - if (line[len - 1] == '\n') { - line[len - 1] = '\0'; - len--; - } - - if (!len || line[strspn(line, " \t")] == '#') { - continue; - } - - kbegin = line + strspn(line, " \t"); - kend = kbegin + strcspn(kbegin, " \t="); - vbegin = kend + strspn(kend, " \t"); - if (*vbegin != '=') { - fprintf(stderr, "couldn't parse line: '%s'\n", line); - } - vbegin++; - vbegin = vbegin + strspn(vbegin, " \t"); - vend = line + len; - - *kend = '\0'; - *vend = '\0'; - - runes_config_set(t, kbegin, vbegin); - } -} - -static void runes_config_set(RunesTerm *t, char *key, char *val) -{ - if (!strcmp(key, "font")) { - t->font_name = runes_config_parse_string(val); - } - else if (!strcmp(key, "bold_is_bright")) { - t->bold_is_bright = runes_config_parse_bool(val); - } - else if (!strcmp(key, "bold_is_bold")) { - t->bold_is_bold = runes_config_parse_bool(val); - } - else if (!strcmp(key, "audible_bell")) { - t->audible_bell = runes_config_parse_bool(val); - } - else if (!strcmp(key, "bgcolor")) { - cairo_pattern_t *newcolor; - newcolor = runes_config_parse_color(val); - if (newcolor) { - cairo_pattern_destroy(t->bgdefault); - t->bgdefault = newcolor; - } - } - else if (!strcmp(key, "fgcolor")) { - cairo_pattern_t *newcolor; - newcolor = runes_config_parse_color(val); - if (newcolor) { - cairo_pattern_destroy(t->fgdefault); - t->fgdefault = newcolor; - } - } - else if (!strncmp(key, "color", 5) - && strlen(key) == 6 && key[5] >= '0' && key[5] <= '7') { - cairo_pattern_t *newcolor; - newcolor = runes_config_parse_color(val); - if (newcolor) { - cairo_pattern_destroy(t->colors[key[5] - '0']); - t->colors[key[5] - '0'] = newcolor; - } - } - else if (!strncmp(key, "brightcolor", 5) - && strlen(key) == 6 && key[5] >= '0' && key[5] <= '7') { - cairo_pattern_t *newcolor; - newcolor = runes_config_parse_color(val); - if (newcolor) { - cairo_pattern_destroy(t->brightcolors[key[5] - '0']); - t->brightcolors[key[5] - '0'] = newcolor; - } - } - else if (!strcmp(key, "rows")) { - t->default_rows = runes_config_parse_uint(val); - } - else if (!strcmp(key, "cols")) { - t->default_cols = runes_config_parse_uint(val); - } - else if (!strcmp(key, "command")) { - t->cmd = runes_config_parse_string(val); - } - else { - fprintf(stderr, "unknown option: '%s'\n", key); - } -} - -static char runes_config_parse_bool(char *val) -{ - if (!strcmp(val, "true")) { - return 1; - } - else if (!strcmp(val, "false")) { - return 0; - } - else { - fprintf(stderr, "unknown boolean value: '%s'\n", val); - return 0; - } -} - -static int runes_config_parse_uint(char *val) -{ - if (strspn(val, "0123456789") != strlen(val)) { - fprintf(stderr, "unknown unsigned integer value: '%s'\n", val); - } - - return atoi(val); -} - -static char *runes_config_parse_string(char *val) -{ - return strdup(val); -} - -static cairo_pattern_t *runes_config_parse_color(char *val) -{ - int r, g, b; - - if (strlen(val) != 7 || sscanf(val, "#%2x%2x%2x", &r, &g, &b) != 3) { - fprintf(stderr, "unknown color value: '%s'\n", val); - return NULL; - } - - return cairo_pattern_create_rgb( - (double)r / 255.0, (double)g / 255.0, (double)b / 255.0); -} diff --git a/config.h b/config.h deleted file mode 100644 index 980cbab..0000000 --- a/config.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _RUNES_CONFIG_H -#define _RUNES_CONFIG_H - -void runes_config_init(RunesTerm *t, int argc, char *argv[]); - -#endif diff --git a/display.c b/display.c deleted file mode 100644 index 474d972..0000000 --- a/display.c +++ /dev/null @@ -1,563 +0,0 @@ -#include -#include -#include - -#include "runes.h" - -static cairo_pattern_t *runes_display_get_fgcolor(RunesTerm *t); -static cairo_pattern_t *runes_display_get_bgcolor(RunesTerm *t); -static void runes_display_recalculate_font_metrics(RunesTerm *t); -static void runes_display_position_cursor(RunesTerm *t, cairo_t *cr); -static void runes_display_paint_rectangle( - RunesTerm *t, cairo_t *cr, cairo_pattern_t *pattern, - int x, int y, int width, int height); -static void runes_display_scroll_down(RunesTerm *t, int rows); - -void runes_display_init(RunesTerm *t) -{ - runes_display_recalculate_font_metrics(t); - - t->cursorcolor = cairo_pattern_create_rgba(0.0, 1.0, 0.0, 0.5); - - t->fgcolor = -1; - t->bgcolor = -1; -} - -void runes_display_set_window_size(RunesTerm *t) -{ - int width, height; - cairo_t *old_cr = NULL; - cairo_surface_t *surface; - - runes_window_backend_get_size(t, &width, &height); - - if (width == t->xpixel && height == t->ypixel) { - return; - } - - t->xpixel = width; - t->ypixel = height; - - t->rows = t->ypixel / t->fonty; - t->cols = t->xpixel / t->fontx; - - old_cr = t->cr; - - /* XXX this should really use cairo_surface_create_similar_image, but when - * i did that, drawing calls would occasionally block until an X event - * occurred for some reason. should look into this, because i think - * create_similar_image does things that are more efficient (using some - * xlib shm stuff) */ - surface = cairo_image_surface_create( - CAIRO_FORMAT_RGB24, t->xpixel, t->ypixel); - t->cr = cairo_create(surface); - cairo_surface_destroy(surface); - cairo_set_source(t->cr, runes_display_get_fgcolor(t)); - if (t->layout) { - pango_cairo_update_layout(t->cr, t->layout); - } - else { - PangoAttrList *attrs; - PangoFontDescription *font_desc; - - attrs = pango_attr_list_new(); - font_desc = pango_font_description_from_string(t->font_name); - - t->layout = pango_cairo_create_layout(t->cr); - pango_layout_set_attributes(t->layout, attrs); - pango_layout_set_font_description(t->layout, font_desc); - - pango_attr_list_unref(attrs); - pango_font_description_free(font_desc); - } - - cairo_save(t->cr); - - if (old_cr) { - cairo_set_source_surface(t->cr, cairo_get_target(old_cr), 0.0, 0.0); - } - else { - cairo_set_source(t->cr, t->bgdefault); - } - - cairo_paint(t->cr); - - cairo_restore(t->cr); - - if (old_cr) { - cairo_destroy(old_cr); - } - - runes_pty_backend_set_window_size(t); - runes_display_position_cursor(t, t->cr); -} - -void runes_display_focus_in(RunesTerm *t) -{ - t->unfocused = 0; -} - -void runes_display_focus_out(RunesTerm *t) -{ - t->unfocused = 1; -} - -void runes_display_move_to(RunesTerm *t, int row, int col) -{ - int height = t->scroll_bottom - t->scroll_top; - - t->row = row + t->scroll_top; - t->col = col; - - if (row > height) { - runes_display_scroll_down(t, row - height); - t->row = t->scroll_bottom; - } - else if (row < 0) { - runes_display_scroll_up(t, -row); - t->row = t->scroll_top; - } - - runes_display_position_cursor(t, t->cr); -} - -void runes_display_show_string_ascii(RunesTerm *t, char *buf, size_t len) -{ - if (len) { - int remaining = len, space_in_row = t->cols - t->col; - - do { - int to_write = remaining > space_in_row ? space_in_row : remaining; - - runes_display_paint_rectangle( - t, t->cr, runes_display_get_bgcolor(t), - t->col, t->row, to_write, 1); - - pango_layout_set_text(t->layout, buf, to_write); - pango_cairo_update_layout(t->cr, t->layout); - pango_cairo_show_layout(t->cr, t->layout); - - buf += to_write; - remaining -= to_write; - space_in_row = t->cols; - if (remaining) { - runes_display_move_to(t, t->row + 1, 0); - } - else { - t->col += len; - runes_display_position_cursor(t, t->cr); - } - } while (remaining > 0); - } -} - -/* XXX this is gross and kind of slow, but i can't find a better way to do it. - * i need to be able to convert the string into clusters before laying it out, - * since i'm not going to be using the full layout anyway, but the only way i - * can see to do that is with pango_get_log_attrs, which only returns character - * (not byte) offsets, so i have to reparse the utf8 myself once i get the - * results. not ideal. */ -void runes_display_show_string_utf8(RunesTerm *t, char *buf, size_t len) -{ - size_t i, pos, char_len; - PangoLogAttr *attrs; - - char_len = g_utf8_strlen(buf, len); - attrs = malloc(sizeof(PangoLogAttr) * (char_len + 1)); - pango_get_log_attrs(buf, len, -1, NULL, attrs, char_len + 1); - - pos = 0; - for (i = 1; i < char_len + 1; ++i) { - if (attrs[i].is_cursor_position) { - char *startpos, *c; - size_t cluster_len; - char width = 1; - - startpos = g_utf8_offset_to_pointer(buf, pos); - cluster_len = g_utf8_offset_to_pointer(buf, i) - startpos; - - for (c = startpos; - (size_t)(c - startpos) < cluster_len; - c = g_utf8_next_char(c)) { - if (g_unichar_iswide(g_utf8_get_char(c))) { - width = 2; - } - } - - runes_display_paint_rectangle( - t, t->cr, runes_display_get_bgcolor(t), - t->col, t->row, width, 1); - - pango_layout_set_text(t->layout, startpos, cluster_len); - pango_cairo_update_layout(t->cr, t->layout); - pango_cairo_show_layout(t->cr, t->layout); - - if (t->col + width >= t->cols) { - runes_display_move_to(t, t->row + 1, 0); - } - else { - runes_display_move_to(t, t->row, t->col + width); - } - pos = i; - } - } - - free(attrs); -} - -void runes_display_clear_screen(RunesTerm *t) -{ - runes_display_paint_rectangle( - t, t->cr, t->bgdefault, 0, 0, t->cols, t->rows); -} - -void runes_display_clear_screen_forward(RunesTerm *t) -{ - runes_display_kill_line_forward(t); - runes_display_paint_rectangle( - t, t->cr, t->bgdefault, 0, t->row, t->cols, t->rows - t->row); -} - -void runes_display_kill_line_forward(RunesTerm *t) -{ - runes_display_paint_rectangle( - t, t->cr, t->bgdefault, t->col, t->row, t->cols - t->col, 1); -} - -void runes_display_delete_characters(RunesTerm *t, int count) -{ - cairo_pattern_t *pattern; - cairo_matrix_t matrix; - - cairo_save(t->cr); - cairo_push_group(t->cr); - pattern = cairo_pattern_create_for_surface(cairo_get_target(t->cr)); - cairo_matrix_init_translate(&matrix, count * t->fontx, 0.0); - cairo_pattern_set_matrix(pattern, &matrix); - runes_display_paint_rectangle( - t, t->cr, pattern, t->col, t->row, t->cols - t->col - count, 1); - cairo_pattern_destroy(pattern); - cairo_pop_group_to_source(t->cr); - cairo_paint(t->cr); - runes_display_paint_rectangle( - t, t->cr, t->colors[0], t->cols - count, t->row, count, 1); - cairo_restore(t->cr); -} - -void runes_display_reset_text_attributes(RunesTerm *t) -{ - runes_display_reset_fg_color(t); - runes_display_reset_bg_color(t); - runes_display_reset_bold(t); - runes_display_reset_italic(t); - runes_display_reset_underline(t); - runes_display_reset_inverse(t); -} - -void runes_display_set_bold(RunesTerm *t) -{ - PangoAttrList *attrs; - - attrs = pango_layout_get_attributes(t->layout); - if (t->bold_is_bold) { - pango_attr_list_change( - attrs, pango_attr_weight_new(PANGO_WEIGHT_BOLD)); - } - t->bold = 1; - cairo_set_source(t->cr, runes_display_get_fgcolor(t)); -} - -void runes_display_reset_bold(RunesTerm *t) -{ - PangoAttrList *attrs; - - attrs = pango_layout_get_attributes(t->layout); - if (t->bold_is_bold) { - pango_attr_list_change( - attrs, pango_attr_weight_new(PANGO_WEIGHT_NORMAL)); - } - t->bold = 0; - cairo_set_source(t->cr, runes_display_get_fgcolor(t)); -} - -void runes_display_set_italic(RunesTerm *t) -{ - PangoAttrList *attrs; - - attrs = pango_layout_get_attributes(t->layout); - pango_attr_list_change(attrs, pango_attr_style_new(PANGO_STYLE_ITALIC)); -} - -void runes_display_reset_italic(RunesTerm *t) -{ - PangoAttrList *attrs; - - attrs = pango_layout_get_attributes(t->layout); - pango_attr_list_change(attrs, pango_attr_style_new(PANGO_STYLE_NORMAL)); -} - -void runes_display_set_underline(RunesTerm *t) -{ - PangoAttrList *attrs; - - attrs = pango_layout_get_attributes(t->layout); - pango_attr_list_change( - attrs, pango_attr_underline_new(PANGO_UNDERLINE_SINGLE)); -} - -void runes_display_reset_underline(RunesTerm *t) -{ - PangoAttrList *attrs; - - attrs = pango_layout_get_attributes(t->layout); - pango_attr_list_change( - attrs, pango_attr_underline_new(PANGO_UNDERLINE_NONE)); -} - -void runes_display_set_inverse(RunesTerm *t) -{ - t->inverse = 1; - cairo_set_source(t->cr, runes_display_get_fgcolor(t)); -} - -void runes_display_reset_inverse(RunesTerm *t) -{ - t->inverse = 0; - cairo_set_source(t->cr, runes_display_get_fgcolor(t)); -} - -void runes_display_set_fg_color(RunesTerm *t, int color) -{ - t->fgcolor = color; - cairo_set_source(t->cr, runes_display_get_fgcolor(t)); -} - -void runes_display_reset_fg_color(RunesTerm *t) -{ - runes_display_set_fg_color(t, -1); -} - -void runes_display_set_bg_color(RunesTerm *t, int color) -{ - t->bgcolor = color; - cairo_set_source(t->cr, runes_display_get_fgcolor(t)); -} - -void runes_display_reset_bg_color(RunesTerm *t) -{ - runes_display_set_bg_color(t, -1); -} - -void runes_display_show_cursor(RunesTerm *t) -{ - t->hide_cursor = 0; -} - -void runes_display_hide_cursor(RunesTerm *t) -{ - t->hide_cursor = 1; -} - -void runes_display_save_cursor(RunesTerm *t) -{ - t->saved_row = t->row; - t->saved_col = t->col; - /* XXX do other stuff here? */ -} - -void runes_display_restore_cursor(RunesTerm *t) -{ - t->row = t->saved_row; - t->col = t->saved_col; -} - -void runes_display_use_alternate_buffer(RunesTerm *t) -{ - if (t->alternate_cr) { - return; - } - - runes_display_save_cursor(t); - t->alternate_cr = t->cr; - t->cr = NULL; - t->xpixel = -1; - t->ypixel = -1; - runes_display_set_window_size(t); -} - -void runes_display_use_normal_buffer(RunesTerm *t) -{ - if (!t->alternate_cr) { - return; - } - - runes_display_restore_cursor(t); - cairo_destroy(t->cr); - t->cr = t->alternate_cr; - t->alternate_cr = NULL; - t->xpixel = -1; - t->ypixel = -1; - runes_display_set_window_size(t); -} - -void runes_display_set_scroll_region( - RunesTerm *t, int top, int bottom, int left, int right) -{ - top = (top < 1 ? 1 : top) - 1; - bottom = (bottom > t->rows ? t->rows : bottom) - 1; - left = (left < 1 ? 1 : left) - 1; - right = (right > t->cols ? t->cols : right) - 1; - - if (left != 0 || right != t->cols - 1) { - fprintf(stderr, "vertical scroll regions not yet supported\n"); - } - - if (top >= bottom || left >= right) { - t->scroll_top = 0; - t->scroll_bottom = t->rows - 1; - return; - } - - t->scroll_top = top; - t->scroll_bottom = bottom; - runes_display_move_to(t, 0, 0); -} - -void runes_display_scroll_up(RunesTerm *t, int rows) -{ - cairo_pattern_t *pattern; - cairo_matrix_t matrix; - - cairo_save(t->cr); - cairo_push_group(t->cr); - pattern = cairo_pattern_create_for_surface(cairo_get_target(t->cr)); - cairo_matrix_init_translate(&matrix, 0.0, -rows * t->fonty); - cairo_pattern_set_matrix(pattern, &matrix); - runes_display_paint_rectangle( - t, t->cr, pattern, - 0, t->scroll_top + rows, - t->cols, t->scroll_bottom - t->scroll_top + 1 - rows); - cairo_pattern_destroy(pattern); - cairo_pop_group_to_source(t->cr); - cairo_paint(t->cr); - runes_display_paint_rectangle( - t, t->cr, t->bgdefault, 0, t->scroll_top, t->cols, rows); - cairo_restore(t->cr); -} - -void runes_display_cleanup(RunesTerm *t) -{ - int i; - - g_object_unref(t->layout); - for (i = 0; i < 8; ++i) { - cairo_pattern_destroy(t->colors[i]); - cairo_pattern_destroy(t->brightcolors[i]); - } - cairo_pattern_destroy(t->cursorcolor); - cairo_destroy(t->cr); -} - -static cairo_pattern_t *runes_display_get_fgcolor(RunesTerm *t) -{ - int color = t->inverse ? t->bgcolor : t->fgcolor; - - if (t->inverse && t->bgcolor == t->fgcolor) { - return t->bgdefault; - } - else if (color == -1) { - return t->inverse ? t->bgdefault : t->fgdefault; - } - else if (t->bold_is_bright && t->bold) { - return t->brightcolors[color]; - } - else { - return t->colors[color]; - } -} - -static cairo_pattern_t *runes_display_get_bgcolor(RunesTerm *t) -{ - int color = t->inverse ? t->fgcolor : t->bgcolor; - - if (t->inverse && t->bgcolor == t->fgcolor) { - return t->fgdefault; - } - else if (color == -1) { - return t->inverse ? t->fgdefault : t->bgdefault; - } - else { - return t->colors[color]; - } -} - -static void runes_display_recalculate_font_metrics(RunesTerm *t) -{ - PangoFontDescription *desc; - PangoContext *context; - PangoFontMetrics *metrics; - int ascent, descent; - - desc = pango_font_description_from_string(t->font_name); - - if (t->layout) { - context = pango_layout_get_context(t->layout); - } - else { - context = pango_font_map_create_context( - pango_cairo_font_map_get_default()); - } - - metrics = pango_context_get_metrics(context, desc, NULL); - - t->fontx = PANGO_PIXELS( - pango_font_metrics_get_approximate_digit_width(metrics)); - ascent = pango_font_metrics_get_ascent(metrics); - descent = pango_font_metrics_get_descent(metrics); - t->fonty = PANGO_PIXELS(ascent + descent); - - pango_font_metrics_unref(metrics); - pango_font_description_free(desc); - if (!t->layout) { - g_object_unref(context); - } -} - -static void runes_display_position_cursor(RunesTerm *t, cairo_t *cr) -{ - cairo_move_to(cr, t->col * t->fontx, t->row * t->fonty); -} - -static void runes_display_paint_rectangle( - RunesTerm *t, cairo_t *cr, cairo_pattern_t *pattern, - int x, int y, int width, int height) -{ - cairo_save(cr); - cairo_set_source(cr, pattern); - cairo_rectangle( - cr, x * t->fontx, y * t->fonty, width * t->fontx, height * t->fonty); - cairo_fill(cr); - cairo_restore(cr); - runes_display_position_cursor(t, t->cr); -} - -static void runes_display_scroll_down(RunesTerm *t, int rows) -{ - cairo_pattern_t *pattern; - cairo_matrix_t matrix; - - cairo_save(t->cr); - cairo_push_group(t->cr); - pattern = cairo_pattern_create_for_surface(cairo_get_target(t->cr)); - cairo_matrix_init_translate(&matrix, 0.0, rows * t->fonty); - cairo_pattern_set_matrix(pattern, &matrix); - runes_display_paint_rectangle( - t, t->cr, pattern, - 0, t->scroll_top, t->cols, t->scroll_bottom - t->scroll_top); - cairo_pattern_destroy(pattern); - cairo_pop_group_to_source(t->cr); - cairo_paint(t->cr); - runes_display_paint_rectangle( - t, t->cr, t->bgdefault, 0, t->scroll_bottom + 1 - rows, t->cols, rows); - cairo_restore(t->cr); -} diff --git a/display.h b/display.h deleted file mode 100644 index cb0b16c..0000000 --- a/display.h +++ /dev/null @@ -1,39 +0,0 @@ -#ifndef _RUNES_DISPLAY_H -#define _RUNES_DISPLAY_H - -void runes_display_init(RunesTerm *t); -void runes_display_set_window_size(RunesTerm *t); -void runes_display_focus_in(RunesTerm *t); -void runes_display_focus_out(RunesTerm *t); -void runes_display_move_to(RunesTerm *t, int row, int col); -void runes_display_show_string_ascii(RunesTerm *t, char *buf, size_t len); -void runes_display_show_string_utf8(RunesTerm *t, char *buf, size_t len); -void runes_display_clear_screen(RunesTerm *t); -void runes_display_clear_screen_forward(RunesTerm *t); -void runes_display_kill_line_forward(RunesTerm *t); -void runes_display_delete_characters(RunesTerm *t, int count); -void runes_display_reset_text_attributes(RunesTerm *t); -void runes_display_set_bold(RunesTerm *t); -void runes_display_reset_bold(RunesTerm *t); -void runes_display_set_italic(RunesTerm *t); -void runes_display_reset_italic(RunesTerm *t); -void runes_display_set_underline(RunesTerm *t); -void runes_display_reset_underline(RunesTerm *t); -void runes_display_set_inverse(RunesTerm *t); -void runes_display_reset_inverse(RunesTerm *t); -void runes_display_set_fg_color(RunesTerm *t, int color); -void runes_display_reset_fg_color(RunesTerm *t); -void runes_display_set_bg_color(RunesTerm *t, int color); -void runes_display_reset_bg_color(RunesTerm *t); -void runes_display_show_cursor(RunesTerm *t); -void runes_display_hide_cursor(RunesTerm *t); -void runes_display_save_cursor(RunesTerm *t); -void runes_display_restore_cursor(RunesTerm *t); -void runes_display_use_alternate_buffer(RunesTerm *t); -void runes_display_use_normal_buffer(RunesTerm *t); -void runes_display_set_scroll_region( - RunesTerm *t, int top, int bottom, int left, int right); -void runes_display_scroll_up(RunesTerm *t, int rows); -void runes_display_cleanup(RunesTerm *t); - -#endif diff --git a/parser.c b/parser.c deleted file mode 100644 index d62b442..0000000 --- a/parser.c +++ /dev/null @@ -1,2776 +0,0 @@ -#line 2 "parser.c" - -#line 4 "parser.c" - -#define YY_INT_ALIGNED short int - -/* A lexical scanner generated by flex */ - -#define FLEX_SCANNER -#define YY_FLEX_MAJOR_VERSION 2 -#define YY_FLEX_MINOR_VERSION 5 -#define YY_FLEX_SUBMINOR_VERSION 39 -#if YY_FLEX_SUBMINOR_VERSION > 0 -#define FLEX_BETA -#endif - -/* First, we deal with platform-specific or compiler-specific issues. */ - -/* begin standard C headers. */ -#include -#include -#include -#include - -/* end standard C headers. */ - -/* flex integer type definitions */ - -#ifndef FLEXINT_H -#define FLEXINT_H - -/* C99 systems have . Non-C99 systems may or may not. */ - -#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L - -/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h, - * if you want the limit (max/min) macros for int types. - */ -#ifndef __STDC_LIMIT_MACROS -#define __STDC_LIMIT_MACROS 1 -#endif - -#include -typedef int8_t flex_int8_t; -typedef uint8_t flex_uint8_t; -typedef int16_t flex_int16_t; -typedef uint16_t flex_uint16_t; -typedef int32_t flex_int32_t; -typedef uint32_t flex_uint32_t; -#else -typedef signed char flex_int8_t; -typedef short int flex_int16_t; -typedef int flex_int32_t; -typedef unsigned char flex_uint8_t; -typedef unsigned short int flex_uint16_t; -typedef unsigned int flex_uint32_t; - -/* Limits of integral types. */ -#ifndef INT8_MIN -#define INT8_MIN (-128) -#endif -#ifndef INT16_MIN -#define INT16_MIN (-32767-1) -#endif -#ifndef INT32_MIN -#define INT32_MIN (-2147483647-1) -#endif -#ifndef INT8_MAX -#define INT8_MAX (127) -#endif -#ifndef INT16_MAX -#define INT16_MAX (32767) -#endif -#ifndef INT32_MAX -#define INT32_MAX (2147483647) -#endif -#ifndef UINT8_MAX -#define UINT8_MAX (255U) -#endif -#ifndef UINT16_MAX -#define UINT16_MAX (65535U) -#endif -#ifndef UINT32_MAX -#define UINT32_MAX (4294967295U) -#endif - -#endif /* ! C99 */ - -#endif /* ! FLEXINT_H */ - -#ifdef __cplusplus - -/* The "const" storage-class-modifier is valid. */ -#define YY_USE_CONST - -#else /* ! __cplusplus */ - -/* C99 requires __STDC__ to be defined as 1. */ -#if defined (__STDC__) - -#define YY_USE_CONST - -#endif /* defined (__STDC__) */ -#endif /* ! __cplusplus */ - -#ifdef YY_USE_CONST -#define yyconst const -#else -#define yyconst -#endif - -/* Returned upon end-of-file. */ -#define YY_NULL 0 - -/* Promotes a possibly negative, possibly signed char to an unsigned - * integer for use as an array index. If the signed char is negative, - * we want to instead treat it as an 8-bit unsigned char, hence the - * double cast. - */ -#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) - -/* An opaque pointer. */ -#ifndef YY_TYPEDEF_YY_SCANNER_T -#define YY_TYPEDEF_YY_SCANNER_T -typedef void* yyscan_t; -#endif - -/* For convenience, these vars (plus the bison vars far below) - are macros in the reentrant scanner. */ -#define yyin yyg->yyin_r -#define yyout yyg->yyout_r -#define yyextra yyg->yyextra_r -#define yyleng yyg->yyleng_r -#define yytext yyg->yytext_r -#define yylineno (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno) -#define yycolumn (YY_CURRENT_BUFFER_LVALUE->yy_bs_column) -#define yy_flex_debug yyg->yy_flex_debug_r - -/* Enter a start condition. This macro really ought to take a parameter, - * but we do it the disgusting crufty way forced on us by the ()-less - * definition of BEGIN. - */ -#define BEGIN yyg->yy_start = 1 + 2 * - -/* Translate the current start state into a value that can be later handed - * to BEGIN to return to the state. The YYSTATE alias is for lex - * compatibility. - */ -#define YY_START ((yyg->yy_start - 1) / 2) -#define YYSTATE YY_START - -/* Action number for EOF rule of a given start state. */ -#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) - -/* Special action meaning "start processing a new file". */ -#define YY_NEW_FILE runes_parser_yyrestart(yyin ,yyscanner ) - -#define YY_END_OF_BUFFER_CHAR 0 - -/* Size of default input buffer. */ -#ifndef YY_BUF_SIZE -#define YY_BUF_SIZE 16384 -#endif - -/* The state buf must be large enough to hold one state per character in the main buffer. - */ -#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) - -#ifndef YY_TYPEDEF_YY_BUFFER_STATE -#define YY_TYPEDEF_YY_BUFFER_STATE -typedef struct yy_buffer_state *YY_BUFFER_STATE; -#endif - -#ifndef YY_TYPEDEF_YY_SIZE_T -#define YY_TYPEDEF_YY_SIZE_T -typedef size_t yy_size_t; -#endif - -#define EOB_ACT_CONTINUE_SCAN 0 -#define EOB_ACT_END_OF_FILE 1 -#define EOB_ACT_LAST_MATCH 2 - - #define YY_LESS_LINENO(n) - #define YY_LINENO_REWIND_TO(ptr) - -/* Return all but the first "n" matched characters back to the input stream. */ -#define yyless(n) \ - do \ - { \ - /* Undo effects of setting up yytext. */ \ - int yyless_macro_arg = (n); \ - YY_LESS_LINENO(yyless_macro_arg);\ - *yy_cp = yyg->yy_hold_char; \ - YY_RESTORE_YY_MORE_OFFSET \ - yyg->yy_c_buf_p = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ - YY_DO_BEFORE_ACTION; /* set up yytext again */ \ - } \ - while ( 0 ) - -#define unput(c) yyunput( c, yyg->yytext_ptr , yyscanner ) - -#ifndef YY_STRUCT_YY_BUFFER_STATE -#define YY_STRUCT_YY_BUFFER_STATE -struct yy_buffer_state - { - FILE *yy_input_file; - - char *yy_ch_buf; /* input buffer */ - char *yy_buf_pos; /* current position in input buffer */ - - /* Size of input buffer in bytes, not including room for EOB - * characters. - */ - yy_size_t yy_buf_size; - - /* Number of characters read into yy_ch_buf, not including EOB - * characters. - */ - yy_size_t yy_n_chars; - - /* Whether we "own" the buffer - i.e., we know we created it, - * and can realloc() it to grow it, and should free() it to - * delete it. - */ - int yy_is_our_buffer; - - /* Whether this is an "interactive" input source; if so, and - * if we're using stdio for input, then we want to use getc() - * instead of fread(), to make sure we stop fetching input after - * each newline. - */ - int yy_is_interactive; - - /* Whether we're considered to be at the beginning of a line. - * If so, '^' rules will be active on the next match, otherwise - * not. - */ - int yy_at_bol; - - int yy_bs_lineno; /**< The line count. */ - int yy_bs_column; /**< The column count. */ - - /* Whether to try to fill the input buffer when we reach the - * end of it. - */ - int yy_fill_buffer; - - int yy_buffer_status; - -#define YY_BUFFER_NEW 0 -#define YY_BUFFER_NORMAL 1 - /* When an EOF's been seen but there's still some text to process - * then we mark the buffer as YY_EOF_PENDING, to indicate that we - * shouldn't try reading from the input source any more. We might - * still have a bunch of tokens to match, though, because of - * possible backing-up. - * - * When we actually see the EOF, we change the status to "new" - * (via runes_parser_yyrestart()), so that the user can continue scanning by - * just pointing yyin at a new input file. - */ -#define YY_BUFFER_EOF_PENDING 2 - - }; -#endif /* !YY_STRUCT_YY_BUFFER_STATE */ - -/* We provide macros for accessing buffer states in case in the - * future we want to put the buffer states in a more general - * "scanner state". - * - * Returns the top of the stack, or NULL. - */ -#define YY_CURRENT_BUFFER ( yyg->yy_buffer_stack \ - ? yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] \ - : NULL) - -/* Same as previous macro, but useful when we know that the buffer stack is not - * NULL or when we need an lvalue. For internal use only. - */ -#define YY_CURRENT_BUFFER_LVALUE yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] - -void runes_parser_yyrestart (FILE *input_file ,yyscan_t yyscanner ); -void runes_parser_yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner ); -YY_BUFFER_STATE runes_parser_yy_create_buffer (FILE *file,int size ,yyscan_t yyscanner ); -void runes_parser_yy_delete_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner ); -void runes_parser_yy_flush_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner ); -void runes_parser_yypush_buffer_state (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner ); -void runes_parser_yypop_buffer_state (yyscan_t yyscanner ); - -static void runes_parser_yyensure_buffer_stack (yyscan_t yyscanner ); -static void runes_parser_yy_load_buffer_state (yyscan_t yyscanner ); -static void runes_parser_yy_init_buffer (YY_BUFFER_STATE b,FILE *file ,yyscan_t yyscanner ); - -#define YY_FLUSH_BUFFER runes_parser_yy_flush_buffer(YY_CURRENT_BUFFER ,yyscanner) - -YY_BUFFER_STATE runes_parser_yy_scan_buffer (char *base,yy_size_t size ,yyscan_t yyscanner ); -YY_BUFFER_STATE runes_parser_yy_scan_string (yyconst char *yy_str ,yyscan_t yyscanner ); -YY_BUFFER_STATE runes_parser_yy_scan_bytes (yyconst char *bytes,yy_size_t len ,yyscan_t yyscanner ); - -void *runes_parser_yyalloc (yy_size_t ,yyscan_t yyscanner ); -void *runes_parser_yyrealloc (void *,yy_size_t ,yyscan_t yyscanner ); -void runes_parser_yyfree (void * ,yyscan_t yyscanner ); - -#define yy_new_buffer runes_parser_yy_create_buffer - -#define yy_set_interactive(is_interactive) \ - { \ - if ( ! YY_CURRENT_BUFFER ){ \ - runes_parser_yyensure_buffer_stack (yyscanner); \ - YY_CURRENT_BUFFER_LVALUE = \ - runes_parser_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \ - } \ - YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ - } - -#define yy_set_bol(at_bol) \ - { \ - if ( ! YY_CURRENT_BUFFER ){\ - runes_parser_yyensure_buffer_stack (yyscanner); \ - YY_CURRENT_BUFFER_LVALUE = \ - runes_parser_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \ - } \ - YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ - } - -#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) - -/* Begin user sect3 */ - -#define runes_parser_yywrap(yyscanner) 1 -#define YY_SKIP_YYWRAP - -typedef unsigned char YY_CHAR; - -typedef int yy_state_type; - -#define yytext_ptr yytext_r - -static yy_state_type yy_get_previous_state (yyscan_t yyscanner ); -static yy_state_type yy_try_NUL_trans (yy_state_type current_state ,yyscan_t yyscanner); -static int yy_get_next_buffer (yyscan_t yyscanner ); -static void yy_fatal_error (yyconst char msg[] ,yyscan_t yyscanner ); - -/* Done after the current pattern has been matched and before the - * corresponding action - sets up yytext. - */ -#define YY_DO_BEFORE_ACTION \ - yyg->yytext_ptr = yy_bp; \ - yyleng = (size_t) (yy_cp - yy_bp); \ - yyg->yy_hold_char = *yy_cp; \ - *yy_cp = '\0'; \ - yyg->yy_c_buf_p = yy_cp; - -#define YY_NUM_RULES 49 -#define YY_END_OF_BUFFER 50 -/* This struct is not used in this scanner, - but its presence is necessary. */ -struct yy_trans_info - { - flex_int32_t yy_verify; - flex_int32_t yy_nxt; - }; -static yyconst flex_int16_t yy_accept[133] = - { 0, - 0, 0, 50, 47, 1, 2, 3, 4, 5, 6, - 7, 40, 32, 48, 34, 35, 36, 45, 46, 12, - 13, 8, 9, 10, 38, 39, 11, 0, 0, 0, - 32, 0, 0, 0, 33, 35, 36, 41, 42, 37, - 37, 42, 42, 14, 15, 16, 17, 18, 19, 20, - 21, 22, 23, 24, 25, 26, 0, 0, 0, 43, - 44, 44, 44, 44, 0, 0, 0, 0, 0, 0, - 0, 36, 37, 37, 37, 27, 28, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 37, 0, - 29, 0, 0, 0, 0, 30, 0, 0, 0, 0, - - 31, 0, 0, 0, 0, 0, 37, 37, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 23, 24, - 37, 0, 0, 0, 37, 37, 0, 37, 37, 0, - 37, 0 - } ; - -static yyconst flex_int32_t yy_ec[256] = - { 0, - 1, 1, 1, 1, 1, 1, 2, 3, 4, 5, - 6, 7, 8, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 9, 1, 1, 1, - 1, 10, 10, 10, 10, 10, 10, 10, 10, 10, - 10, 10, 10, 10, 10, 10, 10, 11, 12, 13, - 14, 14, 14, 14, 15, 16, 14, 10, 17, 18, - 19, 20, 21, 10, 22, 23, 24, 25, 10, 10, - 10, 26, 10, 27, 28, 29, 30, 10, 10, 31, - 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, - 32, 10, 33, 10, 10, 10, 10, 10, 10, 10, - - 10, 10, 34, 35, 10, 10, 10, 36, 37, 10, - 10, 10, 10, 38, 10, 10, 10, 10, 10, 10, - 10, 10, 10, 10, 10, 10, 1, 39, 39, 39, - 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, - 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, - 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, - 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, - 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, - 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, - 39, 40, 40, 40, 40, 40, 40, 40, 40, 40, - - 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, - 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, - 40, 40, 40, 41, 41, 41, 41, 41, 41, 41, - 41, 41, 41, 41, 41, 41, 41, 41, 41, 42, - 42, 42, 42, 42, 42, 42, 42, 43, 43, 43, - 43, 43, 43, 43, 43 - } ; - -static yyconst flex_int32_t yy_meta[44] = - { 0, - 1, 2, 1, 1, 1, 1, 1, 1, 1, 3, - 4, 4, 4, 4, 4, 4, 5, 6, 6, 3, - 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, - 3, 3, 3, 3, 5, 5, 3, 3, 7, 3, - 3, 3, 7 - } ; - -static yyconst flex_int16_t yy_base[147] = - { 0, - 0, 43, 318, 511, 511, 511, 511, 511, 511, 511, - 511, 86, 13, 511, 278, 277, 276, 511, 511, 511, - 511, 511, 511, 511, 128, 170, 511, 274, 273, 272, - 16, 271, 270, 257, 19, 256, 255, 511, 511, 0, - 511, 212, 244, 511, 511, 511, 511, 511, 511, 511, - 511, 511, 511, 511, 511, 511, 254, 253, 252, 511, - 511, 271, 270, 269, 246, 245, 244, 243, 242, 241, - 231, 230, 4, 45, 262, 511, 511, 228, 227, 24, - 27, 30, 226, 225, 224, 223, 288, 0, 9, 222, - 511, 33, 212, 170, 169, 511, 165, 165, 164, 163, - - 511, 266, 162, 161, 158, 157, 0, 15, 163, 316, - 156, 155, 154, 153, 151, 147, 334, 58, 511, 511, - 350, 86, 39, 24, 368, 166, 384, 400, 170, 416, - 0, 511, 454, 459, 465, 469, 472, 477, 482, 487, - 490, 493, 496, 498, 501, 504 - } ; - -static yyconst flex_int16_t yy_def[147] = - { 0, - 133, 133, 132, 132, 132, 132, 132, 132, 132, 132, - 132, 132, 134, 132, 132, 132, 132, 132, 132, 132, - 132, 132, 132, 132, 132, 135, 132, 132, 132, 132, - 134, 132, 132, 132, 136, 132, 132, 132, 132, 25, - 132, 132, 42, 132, 132, 132, 132, 132, 132, 132, - 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, - 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, - 132, 132, 137, 42, 42, 132, 132, 132, 132, 138, - 139, 140, 132, 132, 132, 132, 42, 132, 141, 132, - 132, 138, 132, 132, 132, 132, 139, 132, 132, 132, - - 132, 140, 132, 132, 132, 132, 87, 142, 143, 75, - 132, 132, 132, 132, 132, 132, 87, 144, 132, 132, - 75, 132, 132, 132, 87, 145, 87, 87, 146, 87, - 130, 0, 132, 132, 132, 132, 132, 132, 132, 132, - 132, 132, 132, 132, 132, 132 - } ; - -static yyconst flex_int16_t yy_nxt[555] = - { 0, - 4, 5, 6, 7, 8, 9, 10, 11, 12, 132, - 109, 109, 109, 109, 109, 109, 73, 39, 39, 132, - 39, 88, 88, 132, 88, 91, 88, 88, 96, 88, - 132, 101, 88, 88, 91, 88, 132, 39, 14, 15, - 16, 17, 14, 4, 5, 6, 7, 8, 9, 10, - 11, 12, 32, 33, 34, 32, 33, 34, 32, 33, - 34, 89, 102, 93, 94, 95, 98, 99, 100, 103, - 104, 105, 93, 94, 95, 88, 88, 97, 88, 53, - 54, 14, 15, 16, 17, 14, 18, 18, 18, 18, - 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, - - 20, 21, 19, 19, 22, 23, 19, 19, 19, 19, - 19, 19, 19, 19, 19, 24, 19, 25, 26, 27, - 19, 19, 19, 19, 92, 28, 29, 30, 38, 38, - 38, 38, 38, 38, 38, 38, 38, 39, 40, 40, - 40, 40, 40, 40, 41, 42, 42, 39, 43, 44, - 45, 46, 47, 48, 49, 50, 51, 39, 52, 39, - 39, 39, 53, 54, 55, 56, 96, 57, 58, 59, - 60, 60, 60, 60, 60, 60, 60, 60, 60, 118, - 62, 63, 64, 88, 88, 124, 88, 88, 88, 102, - 88, 123, 97, 122, 92, 61, 116, 119, 120, 115, - - 102, 114, 113, 97, 98, 99, 100, 112, 111, 65, - 66, 67, 38, 38, 38, 38, 38, 38, 38, 38, - 38, 39, 74, 74, 74, 74, 74, 74, 41, 39, - 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, - 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, - 92, 57, 58, 59, 75, 75, 75, 75, 75, 75, - 39, 35, 19, 106, 61, 90, 39, 101, 35, 86, - 76, 77, 75, 75, 75, 75, 75, 75, 89, 35, - 85, 19, 84, 83, 61, 82, 81, 80, 76, 77, - 79, 78, 39, 72, 35, 71, 53, 54, 107, 107, - - 107, 107, 107, 107, 108, 103, 104, 105, 70, 35, - 69, 68, 19, 48, 37, 36, 35, 132, 132, 132, - 132, 132, 53, 54, 55, 56, 121, 121, 121, 121, - 121, 121, 132, 132, 132, 132, 132, 132, 132, 132, - 132, 132, 39, 39, 125, 125, 125, 125, 125, 125, - 126, 132, 132, 132, 132, 132, 132, 132, 132, 39, - 121, 121, 121, 121, 121, 121, 132, 132, 132, 132, - 132, 132, 132, 132, 132, 132, 39, 39, 125, 125, - 125, 125, 125, 125, 126, 132, 132, 132, 132, 132, - 132, 132, 132, 39, 128, 128, 128, 128, 128, 128, - - 129, 132, 132, 132, 132, 132, 132, 132, 132, 39, - 128, 128, 128, 128, 128, 128, 129, 132, 132, 132, - 132, 132, 132, 132, 132, 39, 131, 131, 131, 131, - 131, 131, 129, 132, 132, 132, 132, 132, 132, 132, - 132, 39, 132, 132, 132, 132, 132, 132, 132, 132, - 132, 132, 132, 39, 13, 13, 13, 13, 13, 13, - 13, 31, 31, 31, 31, 61, 61, 61, 61, 61, - 61, 35, 35, 35, 35, 87, 132, 87, 92, 92, - 92, 92, 92, 97, 97, 97, 97, 97, 102, 102, - 102, 102, 102, 110, 132, 110, 117, 132, 117, 109, - - 109, 109, 132, 109, 127, 132, 127, 130, 132, 130, - 3, 132, 132, 132, 132, 132, 132, 132, 132, 132, - 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, - 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, - 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, - 132, 132, 132, 132 - } ; - -static yyconst flex_int16_t yy_chk[555] = - { 0, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, - 88, 88, 88, 88, 88, 88, 40, 40, 40, 0, - 40, 73, 73, 0, 73, 80, 89, 89, 81, 89, - 0, 82, 108, 108, 92, 108, 0, 40, 1, 1, - 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 13, 13, 13, 31, 31, 31, 35, 35, - 35, 74, 124, 80, 80, 80, 81, 81, 81, 82, - 82, 82, 92, 92, 92, 118, 118, 123, 118, 74, - 74, 2, 2, 2, 2, 2, 12, 12, 12, 12, - 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, - - 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, - 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, - 12, 12, 12, 12, 122, 12, 12, 12, 25, 25, - 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, - 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, - 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, - 25, 25, 25, 25, 25, 25, 97, 25, 25, 25, - 26, 26, 26, 26, 26, 26, 26, 26, 26, 109, - 26, 26, 26, 126, 126, 116, 126, 129, 129, 115, - 129, 114, 113, 112, 111, 106, 105, 109, 109, 104, - - 103, 100, 99, 98, 97, 97, 97, 95, 94, 26, - 26, 26, 42, 42, 42, 42, 42, 42, 42, 42, - 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, - 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, - 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, - 93, 42, 42, 42, 43, 43, 43, 43, 43, 43, - 90, 86, 85, 84, 83, 79, 78, 102, 72, 71, - 43, 43, 75, 75, 75, 75, 75, 75, 75, 70, - 69, 68, 67, 66, 65, 64, 63, 62, 75, 75, - 59, 58, 57, 37, 36, 34, 75, 75, 87, 87, - - 87, 87, 87, 87, 87, 102, 102, 102, 33, 32, - 30, 29, 28, 87, 17, 16, 15, 3, 0, 0, - 0, 0, 87, 87, 87, 87, 110, 110, 110, 110, - 110, 110, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 110, 110, 117, 117, 117, 117, 117, 117, - 117, 0, 0, 0, 0, 0, 0, 0, 0, 117, - 121, 121, 121, 121, 121, 121, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 121, 121, 125, 125, - 125, 125, 125, 125, 125, 0, 0, 0, 0, 0, - 0, 0, 0, 125, 127, 127, 127, 127, 127, 127, - - 127, 0, 0, 0, 0, 0, 0, 0, 0, 127, - 128, 128, 128, 128, 128, 128, 128, 0, 0, 0, - 0, 0, 0, 0, 0, 128, 130, 130, 130, 130, - 130, 130, 130, 0, 0, 0, 0, 0, 0, 0, - 0, 130, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 130, 133, 133, 133, 133, 133, 133, - 133, 134, 134, 134, 134, 135, 135, 135, 135, 135, - 135, 136, 136, 136, 136, 137, 0, 137, 138, 138, - 138, 138, 138, 139, 139, 139, 139, 139, 140, 140, - 140, 140, 140, 141, 0, 141, 142, 0, 142, 143, - - 143, 144, 0, 144, 145, 0, 145, 146, 0, 146, - 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, - 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, - 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, - 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, - 132, 132, 132, 132 - } ; - -/* The intent behind this definition is that it'll catch - * any uses of REJECT which flex missed. - */ -#define REJECT reject_used_but_not_detected -#define yymore() yymore_used_but_not_detected -#define YY_MORE_ADJ 0 -#define YY_RESTORE_YY_MORE_OFFSET -#line 1 "parser.l" -#line 2 "parser.l" -#include - -#include "runes.h" - -#define RUNES_PARSER_CSI_MAX_PARAMS 256 - -#define YY_EXIT_FAILURE (UNUSED(yyscanner), 2) -#define YY_NO_INPUT 1 -#line 73 "parser.l" -static void runes_parser_handle_bel(RunesTerm *t); -static void runes_parser_handle_bs(RunesTerm *t); -static void runes_parser_handle_tab(RunesTerm *t); -static void runes_parser_handle_lf(RunesTerm *t); -static void runes_parser_handle_cr(RunesTerm *t); -static void runes_parser_handle_deckpam(RunesTerm *t); -static void runes_parser_handle_deckpnm(RunesTerm *t); -static void runes_parser_handle_ri(RunesTerm *t); -static void runes_parser_handle_vb(RunesTerm *t); -static void runes_parser_handle_decsc(RunesTerm *t); -static void runes_parser_handle_decrc(RunesTerm *t); -static void runes_parser_extract_csi_params( - char *buf, size_t len, int *params, int *nparams); -static void runes_parser_extract_sm_params( - char *buf, size_t len, char *modes, int *params, int *nparams); -static void runes_parser_handle_cuu(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_cud(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_cuf(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_cub(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_cup(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_ed(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_el(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_il(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_dch(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_sm(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_rm(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_sgr(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_csr(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_decsed(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_decsel(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_osc0(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_osc1(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_osc2(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_ascii(RunesTerm *t, char *text, size_t len); -static void runes_parser_handle_text(RunesTerm *t, char *text, size_t len); -#line 647 "parser.c" - -#define INITIAL 0 - -#ifndef YY_NO_UNISTD_H -/* Special case for "unistd.h", since it is non-ANSI. We include it way - * down here because we want the user's section 1 to have been scanned first. - * The user has a chance to override it with an option. - */ -#include -#endif - -#define YY_EXTRA_TYPE RunesTerm * - -/* Holds the entire state of the reentrant scanner. */ -struct yyguts_t - { - - /* User-defined. Not touched by flex. */ - YY_EXTRA_TYPE yyextra_r; - - /* The rest are the same as the globals declared in the non-reentrant scanner. */ - FILE *yyin_r, *yyout_r; - size_t yy_buffer_stack_top; /**< index of top of stack. */ - size_t yy_buffer_stack_max; /**< capacity of stack. */ - YY_BUFFER_STATE * yy_buffer_stack; /**< Stack as an array. */ - char yy_hold_char; - yy_size_t yy_n_chars; - yy_size_t yyleng_r; - char *yy_c_buf_p; - int yy_init; - int yy_start; - int yy_did_buffer_switch_on_eof; - int yy_start_stack_ptr; - int yy_start_stack_depth; - int *yy_start_stack; - yy_state_type yy_last_accepting_state; - char* yy_last_accepting_cpos; - - int yylineno_r; - int yy_flex_debug_r; - - char *yytext_r; - int yy_more_flag; - int yy_more_len; - - }; /* end struct yyguts_t */ - -static int yy_init_globals (yyscan_t yyscanner ); - -int runes_parser_yylex_init (yyscan_t* scanner); - -int runes_parser_yylex_init_extra (YY_EXTRA_TYPE user_defined,yyscan_t* scanner); - -/* Accessor methods to globals. - These are made visible to non-reentrant scanners for convenience. */ - -int runes_parser_yylex_destroy (yyscan_t yyscanner ); - -int runes_parser_yyget_debug (yyscan_t yyscanner ); - -void runes_parser_yyset_debug (int debug_flag ,yyscan_t yyscanner ); - -YY_EXTRA_TYPE runes_parser_yyget_extra (yyscan_t yyscanner ); - -void runes_parser_yyset_extra (YY_EXTRA_TYPE user_defined ,yyscan_t yyscanner ); - -FILE *runes_parser_yyget_in (yyscan_t yyscanner ); - -void runes_parser_yyset_in (FILE * in_str ,yyscan_t yyscanner ); - -FILE *runes_parser_yyget_out (yyscan_t yyscanner ); - -void runes_parser_yyset_out (FILE * out_str ,yyscan_t yyscanner ); - -yy_size_t runes_parser_yyget_leng (yyscan_t yyscanner ); - -char *runes_parser_yyget_text (yyscan_t yyscanner ); - -int runes_parser_yyget_lineno (yyscan_t yyscanner ); - -void runes_parser_yyset_lineno (int line_number ,yyscan_t yyscanner ); - -int runes_parser_yyget_column (yyscan_t yyscanner ); - -void runes_parser_yyset_column (int column_no ,yyscan_t yyscanner ); - -/* Macros after this point can all be overridden by user definitions in - * section 1. - */ - -#ifndef YY_SKIP_YYWRAP -#ifdef __cplusplus -extern "C" int runes_parser_yywrap (yyscan_t yyscanner ); -#else -extern int runes_parser_yywrap (yyscan_t yyscanner ); -#endif -#endif - -#ifndef yytext_ptr -static void yy_flex_strncpy (char *,yyconst char *,int ,yyscan_t yyscanner); -#endif - -#ifdef YY_NEED_STRLEN -static int yy_flex_strlen (yyconst char * ,yyscan_t yyscanner); -#endif - -#ifndef YY_NO_INPUT - -#ifdef __cplusplus -static int yyinput (yyscan_t yyscanner ); -#else -static int input (yyscan_t yyscanner ); -#endif - -#endif - -/* Amount of stuff to slurp up with each read. */ -#ifndef YY_READ_BUF_SIZE -#define YY_READ_BUF_SIZE 8192 -#endif - -/* Copy whatever the last rule matched to the standard output. */ -#ifndef ECHO -/* This used to be an fputs(), but since the string might contain NUL's, - * we now use fwrite(). - */ -#define ECHO do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0) -#endif - -/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, - * is returned in "result". - */ -#ifndef YY_INPUT -#define YY_INPUT(buf,result,max_size) \ - if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ - { \ - int c = '*'; \ - size_t n; \ - for ( n = 0; n < max_size && \ - (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ - buf[n] = (char) c; \ - if ( c == '\n' ) \ - buf[n++] = (char) c; \ - if ( c == EOF && ferror( yyin ) ) \ - YY_FATAL_ERROR( "input in flex scanner failed" ); \ - result = n; \ - } \ - else \ - { \ - errno=0; \ - while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \ - { \ - if( errno != EINTR) \ - { \ - YY_FATAL_ERROR( "input in flex scanner failed" ); \ - break; \ - } \ - errno=0; \ - clearerr(yyin); \ - } \ - }\ -\ - -#endif - -/* No semi-colon after return; correct usage is to write "yyterminate();" - - * we don't want an extra ';' after the "return" because that will cause - * some compilers to complain about unreachable statements. - */ -#ifndef yyterminate -#define yyterminate() return YY_NULL -#endif - -/* Number of entries by which start-condition stack grows. */ -#ifndef YY_START_STACK_INCR -#define YY_START_STACK_INCR 25 -#endif - -/* Report a fatal error. */ -#ifndef YY_FATAL_ERROR -#define YY_FATAL_ERROR(msg) yy_fatal_error( msg , yyscanner) -#endif - -/* end tables serialization structures and prototypes */ - -/* Default declaration of generated scanner - a define so the user can - * easily add parameters. - */ -#ifndef YY_DECL -#define YY_DECL_IS_OURS 1 - -extern int runes_parser_yylex (yyscan_t yyscanner); - -#define YY_DECL int runes_parser_yylex (yyscan_t yyscanner) -#endif /* !YY_DECL */ - -/* Code executed at the beginning of each rule, after yytext and yyleng - * have been set up. - */ -#ifndef YY_USER_ACTION -#define YY_USER_ACTION -#endif - -/* Code executed at the end of each rule. */ -#ifndef YY_BREAK -#define YY_BREAK break; -#endif - -#define YY_RULE_SETUP \ - YY_USER_ACTION - -/** The main scanner function which does all the work. - */ -YY_DECL -{ - register yy_state_type yy_current_state; - register char *yy_cp, *yy_bp; - register int yy_act; - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - - if ( !yyg->yy_init ) - { - yyg->yy_init = 1; - -#ifdef YY_USER_INIT - YY_USER_INIT; -#endif - - if ( ! yyg->yy_start ) - yyg->yy_start = 1; /* first start state */ - - if ( ! yyin ) - yyin = stdin; - - if ( ! yyout ) - yyout = stdout; - - if ( ! YY_CURRENT_BUFFER ) { - runes_parser_yyensure_buffer_stack (yyscanner); - YY_CURRENT_BUFFER_LVALUE = - runes_parser_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); - } - - runes_parser_yy_load_buffer_state(yyscanner ); - } - - { -#line 110 "parser.l" - - -#line 898 "parser.c" - - while ( 1 ) /* loops until end-of-file is reached */ - { - yy_cp = yyg->yy_c_buf_p; - - /* Support of yytext. */ - *yy_cp = yyg->yy_hold_char; - - /* yy_bp points to the position in yy_ch_buf of the start of - * the current run. - */ - yy_bp = yy_cp; - - yy_current_state = yyg->yy_start; -yy_match: - do - { - register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)] ; - if ( yy_accept[yy_current_state] ) - { - yyg->yy_last_accepting_state = yy_current_state; - yyg->yy_last_accepting_cpos = yy_cp; - } - while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) - { - yy_current_state = (int) yy_def[yy_current_state]; - if ( yy_current_state >= 133 ) - yy_c = yy_meta[(unsigned int) yy_c]; - } - yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; - ++yy_cp; - } - while ( yy_current_state != 132 ); - yy_cp = yyg->yy_last_accepting_cpos; - yy_current_state = yyg->yy_last_accepting_state; - -yy_find_action: - yy_act = yy_accept[yy_current_state]; - - YY_DO_BEFORE_ACTION; - -do_action: /* This label is used only to access EOF actions. */ - - switch ( yy_act ) - { /* beginning of action switch */ - case 0: /* must back up */ - /* undo the effects of YY_DO_BEFORE_ACTION */ - *yy_cp = yyg->yy_hold_char; - yy_cp = yyg->yy_last_accepting_cpos; - yy_current_state = yyg->yy_last_accepting_state; - goto yy_find_action; - -case 1: -YY_RULE_SETUP -#line 112 "parser.l" -runes_parser_handle_bel(yyextra); return -1; - YY_BREAK -case 2: -YY_RULE_SETUP -#line 113 "parser.l" -runes_parser_handle_bs(yyextra); return -1; - YY_BREAK -case 3: -YY_RULE_SETUP -#line 114 "parser.l" -runes_parser_handle_tab(yyextra); return -1; - YY_BREAK -case 4: -/* rule 4 can match eol */ -#line 116 "parser.l" -case 5: -/* rule 5 can match eol */ -#line 117 "parser.l" -case 6: -/* rule 6 can match eol */ -YY_RULE_SETUP -#line 117 "parser.l" -runes_parser_handle_lf(yyextra); return -1; - YY_BREAK -case 7: -YY_RULE_SETUP -#line 118 "parser.l" -runes_parser_handle_cr(yyextra); return -1; - YY_BREAK -case 8: -YY_RULE_SETUP -#line 120 "parser.l" -runes_parser_handle_deckpam(yyextra); return -1; - YY_BREAK -case 9: -YY_RULE_SETUP -#line 121 "parser.l" -runes_parser_handle_deckpnm(yyextra); return -1; - YY_BREAK -case 10: -YY_RULE_SETUP -#line 122 "parser.l" -runes_parser_handle_ri(yyextra); return -1; - YY_BREAK -case 11: -YY_RULE_SETUP -#line 123 "parser.l" -runes_parser_handle_vb(yyextra); return -1; - YY_BREAK -case 12: -YY_RULE_SETUP -#line 124 "parser.l" -runes_parser_handle_decsc(yyextra); return -1; - YY_BREAK -case 13: -YY_RULE_SETUP -#line 125 "parser.l" -runes_parser_handle_decrc(yyextra); return -1; - YY_BREAK -case 14: -YY_RULE_SETUP -#line 127 "parser.l" -runes_parser_handle_cuu(yyextra, yytext, yyleng); return -1; - YY_BREAK -case 15: -YY_RULE_SETUP -#line 128 "parser.l" -runes_parser_handle_cud(yyextra, yytext, yyleng); return -1; - YY_BREAK -case 16: -YY_RULE_SETUP -#line 129 "parser.l" -runes_parser_handle_cuf(yyextra, yytext, yyleng); return -1; - YY_BREAK -case 17: -YY_RULE_SETUP -#line 130 "parser.l" -runes_parser_handle_cub(yyextra, yytext, yyleng); return -1; - YY_BREAK -case 18: -YY_RULE_SETUP -#line 131 "parser.l" -runes_parser_handle_cup(yyextra, yytext, yyleng); return -1; - YY_BREAK -case 19: -YY_RULE_SETUP -#line 132 "parser.l" -runes_parser_handle_ed(yyextra, yytext, yyleng); return -1; - YY_BREAK -case 20: -YY_RULE_SETUP -#line 133 "parser.l" -runes_parser_handle_el(yyextra, yytext, yyleng); return -1; - YY_BREAK -case 21: -YY_RULE_SETUP -#line 134 "parser.l" -runes_parser_handle_il(yyextra, yytext, yyleng); return -1; - YY_BREAK -case 22: -YY_RULE_SETUP -#line 135 "parser.l" -runes_parser_handle_dch(yyextra, yytext, yyleng); return -1; - YY_BREAK -case 23: -YY_RULE_SETUP -#line 136 "parser.l" -runes_parser_handle_sm(yyextra, yytext, yyleng); return -1; - YY_BREAK -case 24: -YY_RULE_SETUP -#line 137 "parser.l" -runes_parser_handle_rm(yyextra, yytext, yyleng); return -1; - YY_BREAK -case 25: -YY_RULE_SETUP -#line 138 "parser.l" -runes_parser_handle_sgr(yyextra, yytext, yyleng); return -1; - YY_BREAK -case 26: -YY_RULE_SETUP -#line 139 "parser.l" -runes_parser_handle_csr(yyextra, yytext, yyleng); return -1; - YY_BREAK -case 27: -YY_RULE_SETUP -#line 141 "parser.l" -runes_parser_handle_decsed(yyextra, yytext, yyleng); return -1; - YY_BREAK -case 28: -YY_RULE_SETUP -#line 142 "parser.l" -runes_parser_handle_decsel(yyextra, yytext, yyleng); return -1; - YY_BREAK -case 29: -YY_RULE_SETUP -#line 144 "parser.l" -runes_parser_handle_osc0(yyextra, yytext, yyleng); return -1; - YY_BREAK -case 30: -YY_RULE_SETUP -#line 145 "parser.l" -runes_parser_handle_osc1(yyextra, yytext, yyleng); return -1; - YY_BREAK -case 31: -YY_RULE_SETUP -#line 146 "parser.l" -runes_parser_handle_osc2(yyextra, yytext, yyleng); return -1; - YY_BREAK -case 32: -YY_RULE_SETUP -#line 148 "parser.l" -runes_parser_handle_ascii(yyextra, yytext, yyleng); return -1; - YY_BREAK -case 33: -YY_RULE_SETUP -#line 149 "parser.l" -runes_parser_handle_text(yyextra, yytext, yyleng); return -1; - YY_BREAK -case 34: -#line 152 "parser.l" -case 35: -#line 153 "parser.l" -case 36: -#line 154 "parser.l" -case 37: -#line 155 "parser.l" -case 38: -#line 156 "parser.l" -case 39: -#line 157 "parser.l" -case 40: -YY_RULE_SETUP -#line 157 "parser.l" -return yyleng; - YY_BREAK -case YY_STATE_EOF(INITIAL): -#line 159 "parser.l" -return 0; - YY_BREAK -case 41: -/* rule 41 can match eol */ -YY_RULE_SETUP -#line 161 "parser.l" -{ - fprintf( - stderr, "unhandled CSI sequence: \\033%*s\\%hho\n", - (int)yyleng - 2, yytext + 1, yytext[yyleng - 1]); - return -1; -} - YY_BREAK -case 42: -YY_RULE_SETUP -#line 168 "parser.l" -{ - fprintf( - stderr, "unhandled CSI sequence: \\033%*s\n", - (int)yyleng - 1, yytext + 1); - return -1; -} - YY_BREAK -case 43: -/* rule 43 can match eol */ -YY_RULE_SETUP -#line 175 "parser.l" -{ - fprintf( - stderr, "unhandled OSC sequence: \\033%*s\\%hho\n", - (int)yyleng - 2, yytext + 1, yytext[yyleng - 1]); - return -1; -} - YY_BREAK -case 44: -YY_RULE_SETUP -#line 182 "parser.l" -{ - fprintf( - stderr, "unhandled OSC sequence: \\033%*s\n", - (int)yyleng - 1, yytext + 1); - return -1; -} - YY_BREAK -case 45: -/* rule 45 can match eol */ -YY_RULE_SETUP -#line 189 "parser.l" -{ - fprintf(stderr, "unhandled escape sequence: \\%hho\n", yytext[1]); - return -1; -} - YY_BREAK -case 46: -YY_RULE_SETUP -#line 194 "parser.l" -{ - fprintf( - stderr, "unhandled escape sequence: %*s\n", - (int)yyleng - 1, yytext + 1); - return -1; -} - YY_BREAK -case 47: -/* rule 47 can match eol */ -YY_RULE_SETUP -#line 201 "parser.l" -{ - fprintf(stderr, "unhandled control character: \\%hho\n", yytext[0]); - return -1; -} - YY_BREAK -case 48: -YY_RULE_SETUP -#line 206 "parser.l" -{ - fprintf(stderr, "invalid utf8 byte: \\%hho\n", yytext[0]); - return -1; -} - YY_BREAK -case 49: -YY_RULE_SETUP -#line 211 "parser.l" -YY_FATAL_ERROR( "flex scanner jammed" ); - YY_BREAK -#line 1217 "parser.c" - - case YY_END_OF_BUFFER: - { - /* Amount of text matched not including the EOB char. */ - int yy_amount_of_matched_text = (int) (yy_cp - yyg->yytext_ptr) - 1; - - /* Undo the effects of YY_DO_BEFORE_ACTION. */ - *yy_cp = yyg->yy_hold_char; - YY_RESTORE_YY_MORE_OFFSET - - if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) - { - /* We're scanning a new file or input source. It's - * possible that this happened because the user - * just pointed yyin at a new source and called - * runes_parser_yylex(). If so, then we have to assure - * consistency between YY_CURRENT_BUFFER and our - * globals. Here is the right place to do so, because - * this is the first action (other than possibly a - * back-up) that will match for the new input source. - */ - yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; - YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin; - YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; - } - - /* Note that here we test for yy_c_buf_p "<=" to the position - * of the first EOB in the buffer, since yy_c_buf_p will - * already have been incremented past the NUL character - * (since all states make transitions on EOB to the - * end-of-buffer state). Contrast this with the test - * in input(). - */ - if ( yyg->yy_c_buf_p <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] ) - { /* This was really a NUL. */ - yy_state_type yy_next_state; - - yyg->yy_c_buf_p = yyg->yytext_ptr + yy_amount_of_matched_text; - - yy_current_state = yy_get_previous_state( yyscanner ); - - /* Okay, we're now positioned to make the NUL - * transition. We couldn't have - * yy_get_previous_state() go ahead and do it - * for us because it doesn't know how to deal - * with the possibility of jamming (and we don't - * want to build jamming into it because then it - * will run more slowly). - */ - - yy_next_state = yy_try_NUL_trans( yy_current_state , yyscanner); - - yy_bp = yyg->yytext_ptr + YY_MORE_ADJ; - - if ( yy_next_state ) - { - /* Consume the NUL. */ - yy_cp = ++yyg->yy_c_buf_p; - yy_current_state = yy_next_state; - goto yy_match; - } - - else - { - yy_cp = yyg->yy_last_accepting_cpos; - yy_current_state = yyg->yy_last_accepting_state; - goto yy_find_action; - } - } - - else switch ( yy_get_next_buffer( yyscanner ) ) - { - case EOB_ACT_END_OF_FILE: - { - yyg->yy_did_buffer_switch_on_eof = 0; - - if ( runes_parser_yywrap(yyscanner ) ) - { - /* Note: because we've taken care in - * yy_get_next_buffer() to have set up - * yytext, we can now set up - * yy_c_buf_p so that if some total - * hoser (like flex itself) wants to - * call the scanner after we return the - * YY_NULL, it'll still work - another - * YY_NULL will get returned. - */ - yyg->yy_c_buf_p = yyg->yytext_ptr + YY_MORE_ADJ; - - yy_act = YY_STATE_EOF(YY_START); - goto do_action; - } - - else - { - if ( ! yyg->yy_did_buffer_switch_on_eof ) - YY_NEW_FILE; - } - break; - } - - case EOB_ACT_CONTINUE_SCAN: - yyg->yy_c_buf_p = - yyg->yytext_ptr + yy_amount_of_matched_text; - - yy_current_state = yy_get_previous_state( yyscanner ); - - yy_cp = yyg->yy_c_buf_p; - yy_bp = yyg->yytext_ptr + YY_MORE_ADJ; - goto yy_match; - - case EOB_ACT_LAST_MATCH: - yyg->yy_c_buf_p = - &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars]; - - yy_current_state = yy_get_previous_state( yyscanner ); - - yy_cp = yyg->yy_c_buf_p; - yy_bp = yyg->yytext_ptr + YY_MORE_ADJ; - goto yy_find_action; - } - break; - } - - default: - YY_FATAL_ERROR( - "fatal flex scanner internal error--no action found" ); - } /* end of action switch */ - } /* end of scanning one token */ - } /* end of user's declarations */ -} /* end of runes_parser_yylex */ - -/* yy_get_next_buffer - try to read in a new buffer - * - * Returns a code representing an action: - * EOB_ACT_LAST_MATCH - - * EOB_ACT_CONTINUE_SCAN - continue scanning from current position - * EOB_ACT_END_OF_FILE - end of file - */ -static int yy_get_next_buffer (yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; - register char *source = yyg->yytext_ptr; - register int number_to_move, i; - int ret_val; - - if ( yyg->yy_c_buf_p > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] ) - YY_FATAL_ERROR( - "fatal flex scanner internal error--end of buffer missed" ); - - if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) - { /* Don't try to fill the buffer, so this is an EOF. */ - if ( yyg->yy_c_buf_p - yyg->yytext_ptr - YY_MORE_ADJ == 1 ) - { - /* We matched a single character, the EOB, so - * treat this as a final EOF. - */ - return EOB_ACT_END_OF_FILE; - } - - else - { - /* We matched some text prior to the EOB, first - * process it. - */ - return EOB_ACT_LAST_MATCH; - } - } - - /* Try to read more data. */ - - /* First move last chars to start of buffer. */ - number_to_move = (int) (yyg->yy_c_buf_p - yyg->yytext_ptr) - 1; - - for ( i = 0; i < number_to_move; ++i ) - *(dest++) = *(source++); - - if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) - /* don't do the read, it's not guaranteed to return an EOF, - * just force an EOF - */ - YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars = 0; - - else - { - yy_size_t num_to_read = - YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; - - while ( num_to_read <= 0 ) - { /* Not enough room in the buffer - grow it. */ - - /* just a shorter name for the current buffer */ - YY_BUFFER_STATE b = YY_CURRENT_BUFFER_LVALUE; - - int yy_c_buf_p_offset = - (int) (yyg->yy_c_buf_p - b->yy_ch_buf); - - if ( b->yy_is_our_buffer ) - { - yy_size_t new_size = b->yy_buf_size * 2; - - if ( new_size <= 0 ) - b->yy_buf_size += b->yy_buf_size / 8; - else - b->yy_buf_size *= 2; - - b->yy_ch_buf = (char *) - /* Include room in for 2 EOB chars. */ - runes_parser_yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ,yyscanner ); - } - else - /* Can't grow it, we don't own it. */ - b->yy_ch_buf = 0; - - if ( ! b->yy_ch_buf ) - YY_FATAL_ERROR( - "fatal error - scanner input buffer overflow" ); - - yyg->yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset]; - - num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - - number_to_move - 1; - - } - - if ( num_to_read > YY_READ_BUF_SIZE ) - num_to_read = YY_READ_BUF_SIZE; - - /* Read in more data. */ - YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), - yyg->yy_n_chars, num_to_read ); - - YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars; - } - - if ( yyg->yy_n_chars == 0 ) - { - if ( number_to_move == YY_MORE_ADJ ) - { - ret_val = EOB_ACT_END_OF_FILE; - runes_parser_yyrestart(yyin ,yyscanner); - } - - else - { - ret_val = EOB_ACT_LAST_MATCH; - YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = - YY_BUFFER_EOF_PENDING; - } - } - - else - ret_val = EOB_ACT_CONTINUE_SCAN; - - if ((yy_size_t) (yyg->yy_n_chars + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { - /* Extend the array by 50%, plus the number we really need. */ - yy_size_t new_size = yyg->yy_n_chars + number_to_move + (yyg->yy_n_chars >> 1); - YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) runes_parser_yyrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ,yyscanner ); - if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) - YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); - } - - yyg->yy_n_chars += number_to_move; - YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] = YY_END_OF_BUFFER_CHAR; - YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR; - - yyg->yytext_ptr = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; - - return ret_val; -} - -/* yy_get_previous_state - get the state just before the EOB char was reached */ - - static yy_state_type yy_get_previous_state (yyscan_t yyscanner) -{ - register yy_state_type yy_current_state; - register char *yy_cp; - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - - yy_current_state = yyg->yy_start; - - for ( yy_cp = yyg->yytext_ptr + YY_MORE_ADJ; yy_cp < yyg->yy_c_buf_p; ++yy_cp ) - { - register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); - if ( yy_accept[yy_current_state] ) - { - yyg->yy_last_accepting_state = yy_current_state; - yyg->yy_last_accepting_cpos = yy_cp; - } - while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) - { - yy_current_state = (int) yy_def[yy_current_state]; - if ( yy_current_state >= 133 ) - yy_c = yy_meta[(unsigned int) yy_c]; - } - yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; - } - - return yy_current_state; -} - -/* yy_try_NUL_trans - try to make a transition on the NUL character - * - * synopsis - * next_state = yy_try_NUL_trans( current_state ); - */ - static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state , yyscan_t yyscanner) -{ - register int yy_is_jam; - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; /* This var may be unused depending upon options. */ - register char *yy_cp = yyg->yy_c_buf_p; - - register YY_CHAR yy_c = 1; - if ( yy_accept[yy_current_state] ) - { - yyg->yy_last_accepting_state = yy_current_state; - yyg->yy_last_accepting_cpos = yy_cp; - } - while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) - { - yy_current_state = (int) yy_def[yy_current_state]; - if ( yy_current_state >= 133 ) - yy_c = yy_meta[(unsigned int) yy_c]; - } - yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; - yy_is_jam = (yy_current_state == 132); - - (void)yyg; - return yy_is_jam ? 0 : yy_current_state; -} - -#ifndef YY_NO_INPUT -#ifdef __cplusplus - static int yyinput (yyscan_t yyscanner) -#else - static int input (yyscan_t yyscanner) -#endif - -{ - int c; - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - - *yyg->yy_c_buf_p = yyg->yy_hold_char; - - if ( *yyg->yy_c_buf_p == YY_END_OF_BUFFER_CHAR ) - { - /* yy_c_buf_p now points to the character we want to return. - * If this occurs *before* the EOB characters, then it's a - * valid NUL; if not, then we've hit the end of the buffer. - */ - if ( yyg->yy_c_buf_p < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] ) - /* This was really a NUL. */ - *yyg->yy_c_buf_p = '\0'; - - else - { /* need more input */ - yy_size_t offset = yyg->yy_c_buf_p - yyg->yytext_ptr; - ++yyg->yy_c_buf_p; - - switch ( yy_get_next_buffer( yyscanner ) ) - { - case EOB_ACT_LAST_MATCH: - /* This happens because yy_g_n_b() - * sees that we've accumulated a - * token and flags that we need to - * try matching the token before - * proceeding. But for input(), - * there's no matching to consider. - * So convert the EOB_ACT_LAST_MATCH - * to EOB_ACT_END_OF_FILE. - */ - - /* Reset buffer status. */ - runes_parser_yyrestart(yyin ,yyscanner); - - /*FALLTHROUGH*/ - - case EOB_ACT_END_OF_FILE: - { - if ( runes_parser_yywrap(yyscanner ) ) - return EOF; - - if ( ! yyg->yy_did_buffer_switch_on_eof ) - YY_NEW_FILE; -#ifdef __cplusplus - return yyinput(yyscanner); -#else - return input(yyscanner); -#endif - } - - case EOB_ACT_CONTINUE_SCAN: - yyg->yy_c_buf_p = yyg->yytext_ptr + offset; - break; - } - } - } - - c = *(unsigned char *) yyg->yy_c_buf_p; /* cast for 8-bit char's */ - *yyg->yy_c_buf_p = '\0'; /* preserve yytext */ - yyg->yy_hold_char = *++yyg->yy_c_buf_p; - - return c; -} -#endif /* ifndef YY_NO_INPUT */ - -/** Immediately switch to a different input stream. - * @param input_file A readable stream. - * @param yyscanner The scanner object. - * @note This function does not reset the start condition to @c INITIAL . - */ - void runes_parser_yyrestart (FILE * input_file , yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - - if ( ! YY_CURRENT_BUFFER ){ - runes_parser_yyensure_buffer_stack (yyscanner); - YY_CURRENT_BUFFER_LVALUE = - runes_parser_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); - } - - runes_parser_yy_init_buffer(YY_CURRENT_BUFFER,input_file ,yyscanner); - runes_parser_yy_load_buffer_state(yyscanner ); -} - -/** Switch to a different input buffer. - * @param new_buffer The new input buffer. - * @param yyscanner The scanner object. - */ - void runes_parser_yy_switch_to_buffer (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - - /* TODO. We should be able to replace this entire function body - * with - * runes_parser_yypop_buffer_state(); - * runes_parser_yypush_buffer_state(new_buffer); - */ - runes_parser_yyensure_buffer_stack (yyscanner); - if ( YY_CURRENT_BUFFER == new_buffer ) - return; - - if ( YY_CURRENT_BUFFER ) - { - /* Flush out information for old buffer. */ - *yyg->yy_c_buf_p = yyg->yy_hold_char; - YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p; - YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars; - } - - YY_CURRENT_BUFFER_LVALUE = new_buffer; - runes_parser_yy_load_buffer_state(yyscanner ); - - /* We don't actually know whether we did this switch during - * EOF (runes_parser_yywrap()) processing, but the only time this flag - * is looked at is after runes_parser_yywrap() is called, so it's safe - * to go ahead and always set it. - */ - yyg->yy_did_buffer_switch_on_eof = 1; -} - -static void runes_parser_yy_load_buffer_state (yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; - yyg->yytext_ptr = yyg->yy_c_buf_p = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; - yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; - yyg->yy_hold_char = *yyg->yy_c_buf_p; -} - -/** Allocate and initialize an input buffer state. - * @param file A readable stream. - * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. - * @param yyscanner The scanner object. - * @return the allocated buffer state. - */ - YY_BUFFER_STATE runes_parser_yy_create_buffer (FILE * file, int size , yyscan_t yyscanner) -{ - YY_BUFFER_STATE b; - - b = (YY_BUFFER_STATE) runes_parser_yyalloc(sizeof( struct yy_buffer_state ) ,yyscanner ); - if ( ! b ) - YY_FATAL_ERROR( "out of dynamic memory in runes_parser_yy_create_buffer()" ); - - b->yy_buf_size = size; - - /* yy_ch_buf has to be 2 characters longer than the size given because - * we need to put in 2 end-of-buffer characters. - */ - b->yy_ch_buf = (char *) runes_parser_yyalloc(b->yy_buf_size + 2 ,yyscanner ); - if ( ! b->yy_ch_buf ) - YY_FATAL_ERROR( "out of dynamic memory in runes_parser_yy_create_buffer()" ); - - b->yy_is_our_buffer = 1; - - runes_parser_yy_init_buffer(b,file ,yyscanner); - - return b; -} - -/** Destroy the buffer. - * @param b a buffer created with runes_parser_yy_create_buffer() - * @param yyscanner The scanner object. - */ - void runes_parser_yy_delete_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - - if ( ! b ) - return; - - if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ - YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; - - if ( b->yy_is_our_buffer ) - runes_parser_yyfree((void *) b->yy_ch_buf ,yyscanner ); - - runes_parser_yyfree((void *) b ,yyscanner ); -} - -/* Initializes or reinitializes a buffer. - * This function is sometimes called more than once on the same buffer, - * such as during a runes_parser_yyrestart() or at EOF. - */ - static void runes_parser_yy_init_buffer (YY_BUFFER_STATE b, FILE * file , yyscan_t yyscanner) - -{ - int oerrno = errno; - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - - runes_parser_yy_flush_buffer(b ,yyscanner); - - b->yy_input_file = file; - b->yy_fill_buffer = 1; - - /* If b is the current buffer, then runes_parser_yy_init_buffer was _probably_ - * called from runes_parser_yyrestart() or through yy_get_next_buffer. - * In that case, we don't want to reset the lineno or column. - */ - if (b != YY_CURRENT_BUFFER){ - b->yy_bs_lineno = 1; - b->yy_bs_column = 0; - } - - b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0; - - errno = oerrno; -} - -/** Discard all buffered characters. On the next scan, YY_INPUT will be called. - * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. - * @param yyscanner The scanner object. - */ - void runes_parser_yy_flush_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - if ( ! b ) - return; - - b->yy_n_chars = 0; - - /* We always need two end-of-buffer characters. The first causes - * a transition to the end-of-buffer state. The second causes - * a jam in that state. - */ - b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; - b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; - - b->yy_buf_pos = &b->yy_ch_buf[0]; - - b->yy_at_bol = 1; - b->yy_buffer_status = YY_BUFFER_NEW; - - if ( b == YY_CURRENT_BUFFER ) - runes_parser_yy_load_buffer_state(yyscanner ); -} - -/** Pushes the new state onto the stack. The new state becomes - * the current state. This function will allocate the stack - * if necessary. - * @param new_buffer The new state. - * @param yyscanner The scanner object. - */ -void runes_parser_yypush_buffer_state (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - if (new_buffer == NULL) - return; - - runes_parser_yyensure_buffer_stack(yyscanner); - - /* This block is copied from runes_parser_yy_switch_to_buffer. */ - if ( YY_CURRENT_BUFFER ) - { - /* Flush out information for old buffer. */ - *yyg->yy_c_buf_p = yyg->yy_hold_char; - YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p; - YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars; - } - - /* Only push if top exists. Otherwise, replace top. */ - if (YY_CURRENT_BUFFER) - yyg->yy_buffer_stack_top++; - YY_CURRENT_BUFFER_LVALUE = new_buffer; - - /* copied from runes_parser_yy_switch_to_buffer. */ - runes_parser_yy_load_buffer_state(yyscanner ); - yyg->yy_did_buffer_switch_on_eof = 1; -} - -/** Removes and deletes the top of the stack, if present. - * The next element becomes the new top. - * @param yyscanner The scanner object. - */ -void runes_parser_yypop_buffer_state (yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - if (!YY_CURRENT_BUFFER) - return; - - runes_parser_yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner); - YY_CURRENT_BUFFER_LVALUE = NULL; - if (yyg->yy_buffer_stack_top > 0) - --yyg->yy_buffer_stack_top; - - if (YY_CURRENT_BUFFER) { - runes_parser_yy_load_buffer_state(yyscanner ); - yyg->yy_did_buffer_switch_on_eof = 1; - } -} - -/* Allocates the stack if it does not exist. - * Guarantees space for at least one push. - */ -static void runes_parser_yyensure_buffer_stack (yyscan_t yyscanner) -{ - yy_size_t num_to_alloc; - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - - if (!yyg->yy_buffer_stack) { - - /* First allocation is just for 2 elements, since we don't know if this - * scanner will even need a stack. We use 2 instead of 1 to avoid an - * immediate realloc on the next call. - */ - num_to_alloc = 1; - yyg->yy_buffer_stack = (struct yy_buffer_state**)runes_parser_yyalloc - (num_to_alloc * sizeof(struct yy_buffer_state*) - , yyscanner); - if ( ! yyg->yy_buffer_stack ) - YY_FATAL_ERROR( "out of dynamic memory in runes_parser_yyensure_buffer_stack()" ); - - memset(yyg->yy_buffer_stack, 0, num_to_alloc * sizeof(struct yy_buffer_state*)); - - yyg->yy_buffer_stack_max = num_to_alloc; - yyg->yy_buffer_stack_top = 0; - return; - } - - if (yyg->yy_buffer_stack_top >= (yyg->yy_buffer_stack_max) - 1){ - - /* Increase the buffer to prepare for a possible push. */ - int grow_size = 8 /* arbitrary grow size */; - - num_to_alloc = yyg->yy_buffer_stack_max + grow_size; - yyg->yy_buffer_stack = (struct yy_buffer_state**)runes_parser_yyrealloc - (yyg->yy_buffer_stack, - num_to_alloc * sizeof(struct yy_buffer_state*) - , yyscanner); - if ( ! yyg->yy_buffer_stack ) - YY_FATAL_ERROR( "out of dynamic memory in runes_parser_yyensure_buffer_stack()" ); - - /* zero only the new slots.*/ - memset(yyg->yy_buffer_stack + yyg->yy_buffer_stack_max, 0, grow_size * sizeof(struct yy_buffer_state*)); - yyg->yy_buffer_stack_max = num_to_alloc; - } -} - -/** Setup the input buffer state to scan directly from a user-specified character buffer. - * @param base the character buffer - * @param size the size in bytes of the character buffer - * @param yyscanner The scanner object. - * @return the newly allocated buffer state object. - */ -YY_BUFFER_STATE runes_parser_yy_scan_buffer (char * base, yy_size_t size , yyscan_t yyscanner) -{ - YY_BUFFER_STATE b; - - if ( size < 2 || - base[size-2] != YY_END_OF_BUFFER_CHAR || - base[size-1] != YY_END_OF_BUFFER_CHAR ) - /* They forgot to leave room for the EOB's. */ - return 0; - - b = (YY_BUFFER_STATE) runes_parser_yyalloc(sizeof( struct yy_buffer_state ) ,yyscanner ); - if ( ! b ) - YY_FATAL_ERROR( "out of dynamic memory in runes_parser_yy_scan_buffer()" ); - - b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ - b->yy_buf_pos = b->yy_ch_buf = base; - b->yy_is_our_buffer = 0; - b->yy_input_file = 0; - b->yy_n_chars = b->yy_buf_size; - b->yy_is_interactive = 0; - b->yy_at_bol = 1; - b->yy_fill_buffer = 0; - b->yy_buffer_status = YY_BUFFER_NEW; - - runes_parser_yy_switch_to_buffer(b ,yyscanner ); - - return b; -} - -/** Setup the input buffer state to scan a string. The next call to runes_parser_yylex() will - * scan from a @e copy of @a str. - * @param yystr a NUL-terminated string to scan - * @param yyscanner The scanner object. - * @return the newly allocated buffer state object. - * @note If you want to scan bytes that may contain NUL values, then use - * runes_parser_yy_scan_bytes() instead. - */ -YY_BUFFER_STATE runes_parser_yy_scan_string (yyconst char * yystr , yyscan_t yyscanner) -{ - - return runes_parser_yy_scan_bytes(yystr,strlen(yystr) ,yyscanner); -} - -/** Setup the input buffer state to scan the given bytes. The next call to runes_parser_yylex() will - * scan from a @e copy of @a bytes. - * @param yybytes the byte buffer to scan - * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes. - * @param yyscanner The scanner object. - * @return the newly allocated buffer state object. - */ -YY_BUFFER_STATE runes_parser_yy_scan_bytes (yyconst char * yybytes, yy_size_t _yybytes_len , yyscan_t yyscanner) -{ - YY_BUFFER_STATE b; - char *buf; - yy_size_t n; - yy_size_t i; - - /* Get memory for full buffer, including space for trailing EOB's. */ - n = _yybytes_len + 2; - buf = (char *) runes_parser_yyalloc(n ,yyscanner ); - if ( ! buf ) - YY_FATAL_ERROR( "out of dynamic memory in runes_parser_yy_scan_bytes()" ); - - for ( i = 0; i < _yybytes_len; ++i ) - buf[i] = yybytes[i]; - - buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; - - b = runes_parser_yy_scan_buffer(buf,n ,yyscanner); - if ( ! b ) - YY_FATAL_ERROR( "bad buffer in runes_parser_yy_scan_bytes()" ); - - /* It's okay to grow etc. this buffer, and we should throw it - * away when we're done. - */ - b->yy_is_our_buffer = 1; - - return b; -} - -#ifndef YY_EXIT_FAILURE -#define YY_EXIT_FAILURE 2 -#endif - -static void yy_fatal_error (yyconst char* msg , yyscan_t yyscanner) -{ - (void) fprintf( stderr, "%s\n", msg ); - exit( YY_EXIT_FAILURE ); -} - -/* Redefine yyless() so it works in section 3 code. */ - -#undef yyless -#define yyless(n) \ - do \ - { \ - /* Undo effects of setting up yytext. */ \ - int yyless_macro_arg = (n); \ - YY_LESS_LINENO(yyless_macro_arg);\ - yytext[yyleng] = yyg->yy_hold_char; \ - yyg->yy_c_buf_p = yytext + yyless_macro_arg; \ - yyg->yy_hold_char = *yyg->yy_c_buf_p; \ - *yyg->yy_c_buf_p = '\0'; \ - yyleng = yyless_macro_arg; \ - } \ - while ( 0 ) - -/* Accessor methods (get/set functions) to struct members. */ - -/** Get the user-defined data for this scanner. - * @param yyscanner The scanner object. - */ -YY_EXTRA_TYPE runes_parser_yyget_extra (yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - return yyextra; -} - -/** Get the current line number. - * @param yyscanner The scanner object. - */ -int runes_parser_yyget_lineno (yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - - if (! YY_CURRENT_BUFFER) - return 0; - - return yylineno; -} - -/** Get the current column number. - * @param yyscanner The scanner object. - */ -int runes_parser_yyget_column (yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - - if (! YY_CURRENT_BUFFER) - return 0; - - return yycolumn; -} - -/** Get the input stream. - * @param yyscanner The scanner object. - */ -FILE *runes_parser_yyget_in (yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - return yyin; -} - -/** Get the output stream. - * @param yyscanner The scanner object. - */ -FILE *runes_parser_yyget_out (yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - return yyout; -} - -/** Get the length of the current token. - * @param yyscanner The scanner object. - */ -yy_size_t runes_parser_yyget_leng (yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - return yyleng; -} - -/** Get the current token. - * @param yyscanner The scanner object. - */ - -char *runes_parser_yyget_text (yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - return yytext; -} - -/** Set the user-defined data. This data is never touched by the scanner. - * @param user_defined The data to be associated with this scanner. - * @param yyscanner The scanner object. - */ -void runes_parser_yyset_extra (YY_EXTRA_TYPE user_defined , yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - yyextra = user_defined ; -} - -/** Set the current line number. - * @param line_number - * @param yyscanner The scanner object. - */ -void runes_parser_yyset_lineno (int line_number , yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - - /* lineno is only valid if an input buffer exists. */ - if (! YY_CURRENT_BUFFER ) - YY_FATAL_ERROR( "runes_parser_yyset_lineno called with no buffer" ); - - yylineno = line_number; -} - -/** Set the current column. - * @param line_number - * @param yyscanner The scanner object. - */ -void runes_parser_yyset_column (int column_no , yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - - /* column is only valid if an input buffer exists. */ - if (! YY_CURRENT_BUFFER ) - YY_FATAL_ERROR( "runes_parser_yyset_column called with no buffer" ); - - yycolumn = column_no; -} - -/** Set the input stream. This does not discard the current - * input buffer. - * @param in_str A readable stream. - * @param yyscanner The scanner object. - * @see runes_parser_yy_switch_to_buffer - */ -void runes_parser_yyset_in (FILE * in_str , yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - yyin = in_str ; -} - -void runes_parser_yyset_out (FILE * out_str , yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - yyout = out_str ; -} - -int runes_parser_yyget_debug (yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - return yy_flex_debug; -} - -void runes_parser_yyset_debug (int bdebug , yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - yy_flex_debug = bdebug ; -} - -/* Accessor methods for yylval and yylloc */ - -/* User-visible API */ - -/* runes_parser_yylex_init is special because it creates the scanner itself, so it is - * the ONLY reentrant function that doesn't take the scanner as the last argument. - * That's why we explicitly handle the declaration, instead of using our macros. - */ - -int runes_parser_yylex_init(yyscan_t* ptr_yy_globals) - -{ - if (ptr_yy_globals == NULL){ - errno = EINVAL; - return 1; - } - - *ptr_yy_globals = (yyscan_t) runes_parser_yyalloc ( sizeof( struct yyguts_t ), NULL ); - - if (*ptr_yy_globals == NULL){ - errno = ENOMEM; - return 1; - } - - /* By setting to 0xAA, we expose bugs in yy_init_globals. Leave at 0x00 for releases. */ - memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t)); - - return yy_init_globals ( *ptr_yy_globals ); -} - -/* runes_parser_yylex_init_extra has the same functionality as runes_parser_yylex_init, but follows the - * convention of taking the scanner as the last argument. Note however, that - * this is a *pointer* to a scanner, as it will be allocated by this call (and - * is the reason, too, why this function also must handle its own declaration). - * The user defined value in the first argument will be available to runes_parser_yyalloc in - * the yyextra field. - */ - -int runes_parser_yylex_init_extra(YY_EXTRA_TYPE yy_user_defined,yyscan_t* ptr_yy_globals ) - -{ - struct yyguts_t dummy_yyguts; - - runes_parser_yyset_extra (yy_user_defined, &dummy_yyguts); - - if (ptr_yy_globals == NULL){ - errno = EINVAL; - return 1; - } - - *ptr_yy_globals = (yyscan_t) runes_parser_yyalloc ( sizeof( struct yyguts_t ), &dummy_yyguts ); - - if (*ptr_yy_globals == NULL){ - errno = ENOMEM; - return 1; - } - - /* By setting to 0xAA, we expose bugs in - yy_init_globals. Leave at 0x00 for releases. */ - memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t)); - - runes_parser_yyset_extra (yy_user_defined, *ptr_yy_globals); - - return yy_init_globals ( *ptr_yy_globals ); -} - -static int yy_init_globals (yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - /* Initialization is the same as for the non-reentrant scanner. - * This function is called from runes_parser_yylex_destroy(), so don't allocate here. - */ - - yyg->yy_buffer_stack = 0; - yyg->yy_buffer_stack_top = 0; - yyg->yy_buffer_stack_max = 0; - yyg->yy_c_buf_p = (char *) 0; - yyg->yy_init = 0; - yyg->yy_start = 0; - - yyg->yy_start_stack_ptr = 0; - yyg->yy_start_stack_depth = 0; - yyg->yy_start_stack = NULL; - -/* Defined in main.c */ -#ifdef YY_STDINIT - yyin = stdin; - yyout = stdout; -#else - yyin = (FILE *) 0; - yyout = (FILE *) 0; -#endif - - /* For future reference: Set errno on error, since we are called by - * runes_parser_yylex_init() - */ - return 0; -} - -/* runes_parser_yylex_destroy is for both reentrant and non-reentrant scanners. */ -int runes_parser_yylex_destroy (yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - - /* Pop the buffer stack, destroying each element. */ - while(YY_CURRENT_BUFFER){ - runes_parser_yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner ); - YY_CURRENT_BUFFER_LVALUE = NULL; - runes_parser_yypop_buffer_state(yyscanner); - } - - /* Destroy the stack itself. */ - runes_parser_yyfree(yyg->yy_buffer_stack ,yyscanner); - yyg->yy_buffer_stack = NULL; - - /* Destroy the start condition stack. */ - runes_parser_yyfree(yyg->yy_start_stack ,yyscanner ); - yyg->yy_start_stack = NULL; - - /* Reset the globals. This is important in a non-reentrant scanner so the next time - * runes_parser_yylex() is called, initialization will occur. */ - yy_init_globals( yyscanner); - - /* Destroy the main struct (reentrant only). */ - runes_parser_yyfree ( yyscanner , yyscanner ); - yyscanner = NULL; - return 0; -} - -/* - * Internal utility routines. - */ - -#ifndef yytext_ptr -static void yy_flex_strncpy (char* s1, yyconst char * s2, int n , yyscan_t yyscanner) -{ - register int i; - for ( i = 0; i < n; ++i ) - s1[i] = s2[i]; -} -#endif - -#ifdef YY_NEED_STRLEN -static int yy_flex_strlen (yyconst char * s , yyscan_t yyscanner) -{ - register int n; - for ( n = 0; s[n]; ++n ) - ; - - return n; -} -#endif - -#define YYTABLES_NAME "yytables" - -#line 211 "parser.l" - - - -void runes_parser_process_string(RunesTerm *t, char *buf, size_t len) -{ - YY_BUFFER_STATE state; - yyscan_t scanner; - int remaining; - - /* XXX this will break if buf ends with a partial escape sequence or utf8 - * character. we need to detect that and not consume the entire input in - * that case */ - runes_parser_yylex_init_extra(t,&scanner); - state = runes_parser_yy_scan_bytes(buf, len, scanner); - while ((remaining = runes_parser_yylex(scanner)) == -1); - t->remaininglen = remaining; - if (t->remaininglen) { - memmove(t->readbuf, &buf[len - t->remaininglen], t->remaininglen); - } - runes_parser_yy_delete_buffer(state, scanner); - runes_parser_yylex_destroy(scanner); -} - -static void runes_parser_handle_bel(RunesTerm *t) -{ - if (t->audible_bell) { - runes_window_backend_request_audible_bell(t); - } - else { - runes_window_backend_request_visual_bell(t); - } -} - -static void runes_parser_handle_bs(RunesTerm *t) -{ - runes_display_move_to(t, t->row, t->col - 1); -} - -static void runes_parser_handle_tab(RunesTerm *t) -{ - runes_display_move_to(t, t->row, t->col - (t->col % 8) + 8); -} - -static void runes_parser_handle_lf(RunesTerm *t) -{ - runes_display_move_to(t, t->row + 1, t->col); -} - -static void runes_parser_handle_cr(RunesTerm *t) -{ - runes_display_move_to(t, t->row, 0); -} - -static void runes_parser_handle_deckpam(RunesTerm *t) -{ - t->application_keypad = 1; -} - -static void runes_parser_handle_deckpnm(RunesTerm *t) -{ - t->application_keypad = 0; -} - -static void runes_parser_handle_ri(RunesTerm *t) -{ - runes_display_move_to(t, t->row - 1, t->col); -} - -static void runes_parser_handle_vb(RunesTerm *t) -{ - runes_window_backend_request_visual_bell(t); -} - -static void runes_parser_handle_decsc(RunesTerm *t) -{ - runes_display_save_cursor(t); -} - -static void runes_parser_handle_decrc(RunesTerm *t) -{ - runes_display_restore_cursor(t); -} - -static void runes_parser_extract_csi_params( - char *buf, size_t len, int *params, int *nparams) -{ - runes_parser_extract_sm_params(buf, len, NULL, params, nparams); -} - -static void runes_parser_extract_sm_params( - char *buf, size_t len, char *modes, int *params, int *nparams) -{ - char *pos = buf; - - /* this assumes that it will only ever be called on a fully matched CSI - * sequence: accessing one character beyond the end is safe because CSI - * sequences always have one character after the parameters (to determine - * the type of sequence), and the parameters can only ever be digits, - * separated by semicolons. */ - buf[len] = '\0'; - *nparams = 0; - while ((size_t)(pos - buf) < len) { - if (*nparams >= RUNES_PARSER_CSI_MAX_PARAMS) { - fprintf(stderr, "max CSI parameter length exceeded\n"); - break; - } - - if (modes && (size_t)(pos - buf) < len) { - if (strstr(pos, "0123456789")) { - modes[*nparams] = '\0'; - } - else { - modes[*nparams] = *pos++; - } - } - - params[(*nparams)++] = atoi(pos); - - pos = strchr(pos, ';'); - if (pos) { - pos++; - } - else { - break; - } - } -} - -static void runes_parser_handle_cuu(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 1 }, nparams; - - runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); - runes_display_move_to(t, t->row - params[0], t->col); -} - -static void runes_parser_handle_cud(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 1 }, nparams; - - runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); - runes_display_move_to(t, t->row + params[0], t->col); -} - -static void runes_parser_handle_cuf(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 1 }, nparams; - - runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); - runes_display_move_to(t, t->row, t->col + params[0]); -} - -static void runes_parser_handle_cub(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 1 }, nparams; - - runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); - runes_display_move_to(t, t->row, t->col - params[0]); -} - -static void runes_parser_handle_cup(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 0, 0 }, nparams; - - runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); - if (params[0] == 0) { - params[0] = 1; - } - if (params[1] == 0) { - params[1] = 1; - } - runes_display_move_to(t, params[0] - 1, params[1] - 1); -} - -static void runes_parser_handle_ed(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 0 }, nparams; - - runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); - switch (params[0]) { - case 0: - runes_display_clear_screen_forward(t); - break; - case 1: - /* XXX */ - fprintf(stderr, "unhandled ED parameter 1\n"); - break; - case 2: - runes_display_clear_screen(t); - break; - default: - fprintf(stderr, "unknown ED parameter %d\n", params[0]); - break; - } -} - -static void runes_parser_handle_el(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 0 }, nparams; - - runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); - switch (params[0]) { - case 0: - runes_display_kill_line_forward(t); - break; - case 1: - /* XXX */ - fprintf(stderr, "unhandled EL parameter 1\n"); - break; - case 2: - /* XXX */ - fprintf(stderr, "unhandled EL parameter 2\n"); - break; - default: - fprintf(stderr, "unknown EL parameter %d\n", params[0]); - break; - } -} - -static void runes_parser_handle_il(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 1 }, nparams; - - runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); - runes_display_scroll_up(t, params[0]); -} - -static void runes_parser_handle_dch(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 1 }, nparams; - - runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); - runes_display_delete_characters(t, params[0]); -} - -static void runes_parser_handle_sm(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS], nparams, i; - char modes[RUNES_PARSER_CSI_MAX_PARAMS] = { 0 }; - - runes_parser_extract_sm_params(buf + 2, len - 3, modes, params, &nparams); - for (i = 0; i < nparams; ++i) { - switch (modes[i]) { - case '?': - switch (params[i]) { - case 1: - t->application_cursor = 1; - break; - case 25: - runes_display_show_cursor(t); - break; - case 1049: - runes_display_use_alternate_buffer(t); - break; - default: - fprintf( - stderr, "unknown SM parameter: %c%d\n", - modes[i], params[i]); - break; - } - break; - default: - fprintf( - stderr, "unknown SM parameter: %c%d\n", - modes[i], params[i]); - break; - } - } -} - -static void runes_parser_handle_rm(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS], nparams, i; - char modes[RUNES_PARSER_CSI_MAX_PARAMS] = { 0 }; - - runes_parser_extract_sm_params(buf + 2, len - 3, modes, params, &nparams); - for (i = 0; i < nparams; ++i) { - switch (modes[i]) { - case '?': - switch (params[i]) { - case 1: - t->application_cursor = 0; - break; - case 25: - runes_display_hide_cursor(t); - break; - case 1049: - runes_display_use_normal_buffer(t); - break; - default: - fprintf( - stderr, "unknown RM parameter: %c%d\n", - modes[i], params[i]); - break; - } - break; - default: - fprintf( - stderr, "unknown RM parameter: %c%d\n", - modes[i], params[i]); - break; - } - } -} - -static void runes_parser_handle_sgr(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 0 }, nparams, i; - - runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); - if (nparams < 1) { - nparams = 1; - } - for (i = 0; i < nparams; ++i) { - switch (params[i]) { - case 0: - runes_display_reset_text_attributes(t); - break; - case 1: - runes_display_set_bold(t); - break; - case 3: - runes_display_set_italic(t); - break; - case 4: - runes_display_set_underline(t); - break; - case 7: - runes_display_set_inverse(t); - break; - case 22: - runes_display_reset_bold(t); - break; - case 23: - runes_display_reset_italic(t); - break; - case 24: - runes_display_reset_underline(t); - break; - case 27: - runes_display_reset_inverse(t); - break; - case 30: case 31: case 32: case 33: - case 34: case 35: case 36: case 37: - runes_display_set_fg_color(t, params[i] - 30); - break; - case 39: - runes_display_reset_fg_color(t); - break; - case 40: case 41: case 42: case 43: - case 44: case 45: case 46: case 47: - runes_display_set_bg_color(t, params[i] - 40); - break; - case 49: - runes_display_reset_bg_color(t); - break; - default: - fprintf(stderr, "unknown SGR parameter: %d\n", params[i]); - break; - } - } -} - -static void runes_parser_handle_csr(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 1, t->rows, 1, t->cols }; - int nparams; - - runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); - - runes_display_set_scroll_region( - t, params[0], params[1], params[2], params[3]); -} - -static void runes_parser_handle_decsed(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 0 }, nparams; - - runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); - switch (params[0]) { - case 0: - /* XXX not quite correct */ - runes_display_clear_screen_forward(t); - break; - case 1: - /* XXX */ - fprintf(stderr, "unhandled DECSED parameter 1\n"); - break; - case 2: - /* XXX not quite correct */ - runes_display_clear_screen(t); - break; - default: - fprintf(stderr, "unknown DECSED parameter %d\n", params[0]); - break; - } -} - -static void runes_parser_handle_decsel(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 0 }, nparams; - - runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); - switch (params[0]) { - case 0: - /* XXX not quite correct */ - runes_display_kill_line_forward(t); - break; - case 1: - /* XXX */ - fprintf(stderr, "unhandled DECSEL parameter 1\n"); - break; - case 2: - /* XXX */ - fprintf(stderr, "unhandled DECSEL parameter 2\n"); - break; - default: - fprintf(stderr, "unknown DECSEL parameter %d\n", params[0]); - break; - } -} - -static void runes_parser_handle_osc0(RunesTerm *t, char *buf, size_t len) -{ - runes_window_backend_set_icon_name(t, buf + 4, len - 5); - runes_window_backend_set_window_title(t, buf + 4, len - 5); -} - -static void runes_parser_handle_osc1(RunesTerm *t, char *buf, size_t len) -{ - runes_window_backend_set_icon_name(t, buf + 4, len - 5); -} - -static void runes_parser_handle_osc2(RunesTerm *t, char *buf, size_t len) -{ - runes_window_backend_set_window_title(t, buf + 4, len - 5); -} - -static void runes_parser_handle_ascii(RunesTerm *t, char *text, size_t len) -{ - runes_display_show_string_ascii(t, text, len); -} - -static void runes_parser_handle_text(RunesTerm *t, char *text, size_t len) -{ - runes_display_show_string_utf8(t, text, len); -} - -/* XXX these are copied from the generated file so that I can add the UNUSED - * declarations, otherwise we get compilation errors */ -void *runes_parser_yyalloc(yy_size_t size, yyscan_t yyscanner) -{ - UNUSED(yyscanner); - return (void *)malloc(size); -} - -void *runes_parser_yyrealloc(void *ptr, yy_size_t size, yyscan_t yyscanner) -{ - UNUSED(yyscanner); - return (void *)realloc((char *)ptr, size); -} - -void runes_parser_yyfree(void *ptr, yyscan_t yyscanner) -{ - UNUSED(yyscanner); - free((char *) ptr); -} - diff --git a/parser.h b/parser.h deleted file mode 100644 index ea449a8..0000000 --- a/parser.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _RUNES_PARSER_H -#define _RUNES_PARSER_H - -void runes_parser_process_string(RunesTerm *t, char *buf, size_t len); - -#endif diff --git a/parser.l b/parser.l deleted file mode 100644 index a4c4ced..0000000 --- a/parser.l +++ /dev/null @@ -1,676 +0,0 @@ -%{ -#include - -#include "runes.h" - -#define RUNES_PARSER_CSI_MAX_PARAMS 256 - -#define YY_EXIT_FAILURE (UNUSED(yyscanner), 2) -%} - -%option reentrant nodefault batch -%option noyywrap nounput noinput noyyalloc noyyrealloc noyyfree -%option prefix="runes_parser_yy" -%option extra-type="RunesTerm *" - -CTRL [\000-\037\177] -ASCII [\040-\176] -LEAD2 [\300-\337] -LEAD3 [\340-\357] -LEAD4 [\360-\367] -CONT [\200-\277] -UNICHAR ({LEAD2}{CONT}|{LEAD3}{CONT}{CONT}|{LEAD4}{CONT}{CONT}{CONT}) -CHAR ({ASCII}|{UNICHAR}) - -ST \007 -BEL \007 -BS \010 -TAB \011 -LF \012 -VT \013 -FF \014 -CR \015 -ESC \033 - -DECKPAM {ESC}= -DECKPNM {ESC}> -CSI {ESC}\[ -OSC {ESC}\] -RI {ESC}M -VB {ESC}g -DECSC {ESC}7 -DECRC {ESC}8 - -DECCSI {CSI}\? -CSIPARAM1 ([0-9]+)? -CSIPARAM2 ([0-9]+(;[0-9]+)?)? -CSIPARAM24 ([0-9]+(;[0-9]+){1,3})? -CSIPARAMS ([0-9]+(;[0-9]+)*)? -SMPARAMS ([<=?]?[0-9]+(;[<=?]?[0-9]+)*)? - -CUU {CSI}{CSIPARAM1}A -CUD {CSI}{CSIPARAM1}B -CUF {CSI}{CSIPARAM1}C -CUB {CSI}{CSIPARAM1}D -CUP {CSI}{CSIPARAM2}H -ED {CSI}{CSIPARAM1}J -EL {CSI}{CSIPARAM1}K -IL {CSI}{CSIPARAM1}L -DCH {CSI}{CSIPARAM1}P -SM {CSI}{SMPARAMS}h -RM {CSI}{SMPARAMS}l -SGR {CSI}{CSIPARAMS}m -CSR {CSI}{CSIPARAM24}r - -DECSED {DECCSI}{CSIPARAM1}J -DECSEL {DECCSI}{CSIPARAM1}K - -OSC0 {OSC}0;{CHAR}*{ST} -OSC1 {OSC}1;{CHAR}*{ST} -OSC2 {OSC}2;{CHAR}*{ST} - -%{ -static void runes_parser_handle_bel(RunesTerm *t); -static void runes_parser_handle_bs(RunesTerm *t); -static void runes_parser_handle_tab(RunesTerm *t); -static void runes_parser_handle_lf(RunesTerm *t); -static void runes_parser_handle_cr(RunesTerm *t); -static void runes_parser_handle_deckpam(RunesTerm *t); -static void runes_parser_handle_deckpnm(RunesTerm *t); -static void runes_parser_handle_ri(RunesTerm *t); -static void runes_parser_handle_vb(RunesTerm *t); -static void runes_parser_handle_decsc(RunesTerm *t); -static void runes_parser_handle_decrc(RunesTerm *t); -static void runes_parser_extract_csi_params( - char *buf, size_t len, int *params, int *nparams); -static void runes_parser_extract_sm_params( - char *buf, size_t len, char *modes, int *params, int *nparams); -static void runes_parser_handle_cuu(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_cud(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_cuf(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_cub(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_cup(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_ed(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_el(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_il(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_dch(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_sm(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_rm(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_sgr(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_csr(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_decsed(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_decsel(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_osc0(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_osc1(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_osc2(RunesTerm *t, char *buf, size_t len); -static void runes_parser_handle_ascii(RunesTerm *t, char *text, size_t len); -static void runes_parser_handle_text(RunesTerm *t, char *text, size_t len); -%} - -%% - -{BEL} runes_parser_handle_bel(yyextra); return -1; -{BS} runes_parser_handle_bs(yyextra); return -1; -{TAB} runes_parser_handle_tab(yyextra); return -1; -{LF} | -{VT} | -{FF} runes_parser_handle_lf(yyextra); return -1; -{CR} runes_parser_handle_cr(yyextra); return -1; - -{DECKPAM} runes_parser_handle_deckpam(yyextra); return -1; -{DECKPNM} runes_parser_handle_deckpnm(yyextra); return -1; -{RI} runes_parser_handle_ri(yyextra); return -1; -{VB} runes_parser_handle_vb(yyextra); return -1; -{DECSC} runes_parser_handle_decsc(yyextra); return -1; -{DECRC} runes_parser_handle_decrc(yyextra); return -1; - -{CUU} runes_parser_handle_cuu(yyextra, yytext, yyleng); return -1; -{CUD} runes_parser_handle_cud(yyextra, yytext, yyleng); return -1; -{CUF} runes_parser_handle_cuf(yyextra, yytext, yyleng); return -1; -{CUB} runes_parser_handle_cub(yyextra, yytext, yyleng); return -1; -{CUP} runes_parser_handle_cup(yyextra, yytext, yyleng); return -1; -{ED} runes_parser_handle_ed(yyextra, yytext, yyleng); return -1; -{EL} runes_parser_handle_el(yyextra, yytext, yyleng); return -1; -{IL} runes_parser_handle_il(yyextra, yytext, yyleng); return -1; -{DCH} runes_parser_handle_dch(yyextra, yytext, yyleng); return -1; -{SM} runes_parser_handle_sm(yyextra, yytext, yyleng); return -1; -{RM} runes_parser_handle_rm(yyextra, yytext, yyleng); return -1; -{SGR} runes_parser_handle_sgr(yyextra, yytext, yyleng); return -1; -{CSR} runes_parser_handle_csr(yyextra, yytext, yyleng); return -1; - -{DECSED} runes_parser_handle_decsed(yyextra, yytext, yyleng); return -1; -{DECSEL} runes_parser_handle_decsel(yyextra, yytext, yyleng); return -1; - -{OSC0} runes_parser_handle_osc0(yyextra, yytext, yyleng); return -1; -{OSC1} runes_parser_handle_osc1(yyextra, yytext, yyleng); return -1; -{OSC2} runes_parser_handle_osc2(yyextra, yytext, yyleng); return -1; - -{ASCII}+ runes_parser_handle_ascii(yyextra, yytext, yyleng); return -1; -{CHAR}+ runes_parser_handle_text(yyextra, yytext, yyleng); return -1; - -{LEAD2} | -{LEAD3}{CONT}? | -{LEAD4}{CONT}?{CONT}? | -{CSI}[<=?]?{CSIPARAMS}[0-9;] | -{CSI} | -{OSC} | -{ESC} return yyleng; - -<> return 0; - -{CSI}[<=?]?{CSIPARAMS}{CTRL} { - fprintf( - stderr, "unhandled CSI sequence: \\033%*s\\%hho\n", - (int)yyleng - 2, yytext + 1, yytext[yyleng - 1]); - return -1; -} - -{CSI}[<=?]?{CSIPARAMS}{CHAR} { - fprintf( - stderr, "unhandled CSI sequence: \\033%*s\n", - (int)yyleng - 1, yytext + 1); - return -1; -} - -{OSC}{CTRL} { - fprintf( - stderr, "unhandled OSC sequence: \\033%*s\\%hho\n", - (int)yyleng - 2, yytext + 1, yytext[yyleng - 1]); - return -1; -} - -{OSC}{CHAR} { - fprintf( - stderr, "unhandled OSC sequence: \\033%*s\n", - (int)yyleng - 1, yytext + 1); - return -1; -} - -{ESC}{CTRL} { - fprintf(stderr, "unhandled escape sequence: \\%hho\n", yytext[1]); - return -1; -} - -{ESC}{CHAR} { - fprintf( - stderr, "unhandled escape sequence: %*s\n", - (int)yyleng - 1, yytext + 1); - return -1; -} - -{CTRL} { - fprintf(stderr, "unhandled control character: \\%hho\n", yytext[0]); - return -1; -} - -(?s:.) { - fprintf(stderr, "invalid utf8 byte: \\%hho\n", yytext[0]); - return -1; -} - -%% - -void runes_parser_process_string(RunesTerm *t, char *buf, size_t len) -{ - YY_BUFFER_STATE state; - yyscan_t scanner; - int remaining; - - /* XXX this will break if buf ends with a partial escape sequence or utf8 - * character. we need to detect that and not consume the entire input in - * that case */ - yylex_init_extra(t, &scanner); - state = runes_parser_yy_scan_bytes(buf, len, scanner); - while ((remaining = runes_parser_yylex(scanner)) == -1); - t->remaininglen = remaining; - if (t->remaininglen) { - memmove(t->readbuf, &buf[len - t->remaininglen], t->remaininglen); - } - runes_parser_yy_delete_buffer(state, scanner); - yylex_destroy(scanner); -} - -static void runes_parser_handle_bel(RunesTerm *t) -{ - if (t->audible_bell) { - runes_window_backend_request_audible_bell(t); - } - else { - runes_window_backend_request_visual_bell(t); - } -} - -static void runes_parser_handle_bs(RunesTerm *t) -{ - runes_display_move_to(t, t->row, t->col - 1); -} - -static void runes_parser_handle_tab(RunesTerm *t) -{ - runes_display_move_to(t, t->row, t->col - (t->col % 8) + 8); -} - -static void runes_parser_handle_lf(RunesTerm *t) -{ - runes_display_move_to(t, t->row + 1, t->col); -} - -static void runes_parser_handle_cr(RunesTerm *t) -{ - runes_display_move_to(t, t->row, 0); -} - -static void runes_parser_handle_deckpam(RunesTerm *t) -{ - t->application_keypad = 1; -} - -static void runes_parser_handle_deckpnm(RunesTerm *t) -{ - t->application_keypad = 0; -} - -static void runes_parser_handle_ri(RunesTerm *t) -{ - runes_display_move_to(t, t->row - 1, t->col); -} - -static void runes_parser_handle_vb(RunesTerm *t) -{ - runes_window_backend_request_visual_bell(t); -} - -static void runes_parser_handle_decsc(RunesTerm *t) -{ - runes_display_save_cursor(t); -} - -static void runes_parser_handle_decrc(RunesTerm *t) -{ - runes_display_restore_cursor(t); -} - -static void runes_parser_extract_csi_params( - char *buf, size_t len, int *params, int *nparams) -{ - runes_parser_extract_sm_params(buf, len, NULL, params, nparams); -} - -static void runes_parser_extract_sm_params( - char *buf, size_t len, char *modes, int *params, int *nparams) -{ - char *pos = buf; - - /* this assumes that it will only ever be called on a fully matched CSI - * sequence: accessing one character beyond the end is safe because CSI - * sequences always have one character after the parameters (to determine - * the type of sequence), and the parameters can only ever be digits, - * separated by semicolons. */ - buf[len] = '\0'; - *nparams = 0; - while ((size_t)(pos - buf) < len) { - if (*nparams >= RUNES_PARSER_CSI_MAX_PARAMS) { - fprintf(stderr, "max CSI parameter length exceeded\n"); - break; - } - - if (modes && (size_t)(pos - buf) < len) { - if (strstr(pos, "0123456789")) { - modes[*nparams] = '\0'; - } - else { - modes[*nparams] = *pos++; - } - } - - params[(*nparams)++] = atoi(pos); - - pos = strchr(pos, ';'); - if (pos) { - pos++; - } - else { - break; - } - } -} - -static void runes_parser_handle_cuu(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 1 }, nparams; - - runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); - runes_display_move_to(t, t->row - params[0], t->col); -} - -static void runes_parser_handle_cud(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 1 }, nparams; - - runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); - runes_display_move_to(t, t->row + params[0], t->col); -} - -static void runes_parser_handle_cuf(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 1 }, nparams; - - runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); - runes_display_move_to(t, t->row, t->col + params[0]); -} - -static void runes_parser_handle_cub(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 1 }, nparams; - - runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); - runes_display_move_to(t, t->row, t->col - params[0]); -} - -static void runes_parser_handle_cup(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 0, 0 }, nparams; - - runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); - if (params[0] == 0) { - params[0] = 1; - } - if (params[1] == 0) { - params[1] = 1; - } - runes_display_move_to(t, params[0] - 1, params[1] - 1); -} - -static void runes_parser_handle_ed(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 0 }, nparams; - - runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); - switch (params[0]) { - case 0: - runes_display_clear_screen_forward(t); - break; - case 1: - /* XXX */ - fprintf(stderr, "unhandled ED parameter 1\n"); - break; - case 2: - runes_display_clear_screen(t); - break; - default: - fprintf(stderr, "unknown ED parameter %d\n", params[0]); - break; - } -} - -static void runes_parser_handle_el(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 0 }, nparams; - - runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); - switch (params[0]) { - case 0: - runes_display_kill_line_forward(t); - break; - case 1: - /* XXX */ - fprintf(stderr, "unhandled EL parameter 1\n"); - break; - case 2: - /* XXX */ - fprintf(stderr, "unhandled EL parameter 2\n"); - break; - default: - fprintf(stderr, "unknown EL parameter %d\n", params[0]); - break; - } -} - -static void runes_parser_handle_il(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 1 }, nparams; - - runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); - runes_display_scroll_up(t, params[0]); -} - -static void runes_parser_handle_dch(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 1 }, nparams; - - runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); - runes_display_delete_characters(t, params[0]); -} - -static void runes_parser_handle_sm(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS], nparams, i; - char modes[RUNES_PARSER_CSI_MAX_PARAMS] = { 0 }; - - runes_parser_extract_sm_params(buf + 2, len - 3, modes, params, &nparams); - for (i = 0; i < nparams; ++i) { - switch (modes[i]) { - case '?': - switch (params[i]) { - case 1: - t->application_cursor = 1; - break; - case 25: - runes_display_show_cursor(t); - break; - case 1049: - runes_display_use_alternate_buffer(t); - break; - default: - fprintf( - stderr, "unknown SM parameter: %c%d\n", - modes[i], params[i]); - break; - } - break; - default: - fprintf( - stderr, "unknown SM parameter: %c%d\n", - modes[i], params[i]); - break; - } - } -} - -static void runes_parser_handle_rm(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS], nparams, i; - char modes[RUNES_PARSER_CSI_MAX_PARAMS] = { 0 }; - - runes_parser_extract_sm_params(buf + 2, len - 3, modes, params, &nparams); - for (i = 0; i < nparams; ++i) { - switch (modes[i]) { - case '?': - switch (params[i]) { - case 1: - t->application_cursor = 0; - break; - case 25: - runes_display_hide_cursor(t); - break; - case 1049: - runes_display_use_normal_buffer(t); - break; - default: - fprintf( - stderr, "unknown RM parameter: %c%d\n", - modes[i], params[i]); - break; - } - break; - default: - fprintf( - stderr, "unknown RM parameter: %c%d\n", - modes[i], params[i]); - break; - } - } -} - -static void runes_parser_handle_sgr(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 0 }, nparams, i; - - runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); - if (nparams < 1) { - nparams = 1; - } - for (i = 0; i < nparams; ++i) { - switch (params[i]) { - case 0: - runes_display_reset_text_attributes(t); - break; - case 1: - runes_display_set_bold(t); - break; - case 3: - runes_display_set_italic(t); - break; - case 4: - runes_display_set_underline(t); - break; - case 7: - runes_display_set_inverse(t); - break; - case 22: - runes_display_reset_bold(t); - break; - case 23: - runes_display_reset_italic(t); - break; - case 24: - runes_display_reset_underline(t); - break; - case 27: - runes_display_reset_inverse(t); - break; - case 30: case 31: case 32: case 33: - case 34: case 35: case 36: case 37: - runes_display_set_fg_color(t, params[i] - 30); - break; - case 39: - runes_display_reset_fg_color(t); - break; - case 40: case 41: case 42: case 43: - case 44: case 45: case 46: case 47: - runes_display_set_bg_color(t, params[i] - 40); - break; - case 49: - runes_display_reset_bg_color(t); - break; - default: - fprintf(stderr, "unknown SGR parameter: %d\n", params[i]); - break; - } - } -} - -static void runes_parser_handle_csr(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 1, t->rows, 1, t->cols }; - int nparams; - - runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); - - runes_display_set_scroll_region( - t, params[0], params[1], params[2], params[3]); -} - -static void runes_parser_handle_decsed(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 0 }, nparams; - - runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); - switch (params[0]) { - case 0: - /* XXX not quite correct */ - runes_display_clear_screen_forward(t); - break; - case 1: - /* XXX */ - fprintf(stderr, "unhandled DECSED parameter 1\n"); - break; - case 2: - /* XXX not quite correct */ - runes_display_clear_screen(t); - break; - default: - fprintf(stderr, "unknown DECSED parameter %d\n", params[0]); - break; - } -} - -static void runes_parser_handle_decsel(RunesTerm *t, char *buf, size_t len) -{ - int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 0 }, nparams; - - runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); - switch (params[0]) { - case 0: - /* XXX not quite correct */ - runes_display_kill_line_forward(t); - break; - case 1: - /* XXX */ - fprintf(stderr, "unhandled DECSEL parameter 1\n"); - break; - case 2: - /* XXX */ - fprintf(stderr, "unhandled DECSEL parameter 2\n"); - break; - default: - fprintf(stderr, "unknown DECSEL parameter %d\n", params[0]); - break; - } -} - -static void runes_parser_handle_osc0(RunesTerm *t, char *buf, size_t len) -{ - runes_window_backend_set_icon_name(t, buf + 4, len - 5); - runes_window_backend_set_window_title(t, buf + 4, len - 5); -} - -static void runes_parser_handle_osc1(RunesTerm *t, char *buf, size_t len) -{ - runes_window_backend_set_icon_name(t, buf + 4, len - 5); -} - -static void runes_parser_handle_osc2(RunesTerm *t, char *buf, size_t len) -{ - runes_window_backend_set_window_title(t, buf + 4, len - 5); -} - -static void runes_parser_handle_ascii(RunesTerm *t, char *text, size_t len) -{ - runes_display_show_string_ascii(t, text, len); -} - -static void runes_parser_handle_text(RunesTerm *t, char *text, size_t len) -{ - runes_display_show_string_utf8(t, text, len); -} - -/* XXX these are copied from the generated file so that I can add the UNUSED - * declarations, otherwise we get compilation errors */ -void *runes_parser_yyalloc(yy_size_t size, yyscan_t yyscanner) -{ - UNUSED(yyscanner); - return (void *)malloc(size); -} - -void *runes_parser_yyrealloc(void *ptr, yy_size_t size, yyscan_t yyscanner) -{ - UNUSED(yyscanner); - return (void *)realloc((char *)ptr, size); -} - -void runes_parser_yyfree(void *ptr, yyscan_t yyscanner) -{ - UNUSED(yyscanner); - free((char *) ptr); -} diff --git a/pty-unix.c b/pty-unix.c deleted file mode 100644 index 643c5ba..0000000 --- a/pty-unix.c +++ /dev/null @@ -1,138 +0,0 @@ -#define _XOPEN_SOURCE 600 -#include -#include -#include -#include -#include - -#include "runes.h" - -static void runes_pty_backend_read(uv_work_t *req); -static void runes_pty_backend_got_data(uv_work_t *req, int status); - -void runes_pty_backend_spawn_subprocess(RunesTerm *t) -{ - RunesPtyBackend *pty = &t->pty; - - pty->master = posix_openpt(O_RDWR); - grantpt(pty->master); - unlockpt(pty->master); - pty->slave = open(ptsname(pty->master), O_RDWR); - - pty->child_pid = fork(); - if (pty->child_pid) { - close(pty->slave); - pty->slave = -1; - } - else { - char *cmd; - int old_stderr_fd; - FILE *old_stderr; - - old_stderr_fd = dup(2); - fcntl(old_stderr_fd, F_SETFD, FD_CLOEXEC); - old_stderr = fdopen(old_stderr_fd, "w"); - - setsid(); - ioctl(pty->slave, TIOCSCTTY, NULL); - - close(pty->master); - - dup2(pty->slave, 0); - dup2(pty->slave, 1); - dup2(pty->slave, 2); - - close(pty->slave); - - cmd = t->cmd; - if (!cmd) { - cmd = getenv("SHELL"); - } - if (!cmd) { - cmd = "/bin/sh"; - } - - /* XXX should use a different TERM value eventually, but for right now - * screen is compatible enough */ - setenv("TERM", "screen", 1); - unsetenv("LINES"); - unsetenv("COLUMNS"); - - execlp(cmd, cmd, (char *)NULL); - - fprintf(old_stderr, "Couldn't run %s: %s\n", cmd, strerror(errno)); - exit(1); - } -} - -void runes_pty_backend_start_loop(RunesTerm *t) -{ - void *data; - - data = malloc(sizeof(RunesLoopData)); - ((RunesLoopData *)data)->req.data = data; - ((RunesLoopData *)data)->t = t; - - uv_queue_work( - t->loop, data, runes_pty_backend_read, runes_pty_backend_got_data); -} - -void runes_pty_backend_set_window_size(RunesTerm *t) -{ - struct winsize size; - - size.ws_row = t->rows; - size.ws_col = t->cols; - size.ws_xpixel = t->xpixel; - size.ws_ypixel = t->ypixel; - ioctl(t->pty.master, TIOCSWINSZ, &size); -} - -void runes_pty_backend_write(RunesTerm *t, char *buf, size_t len) -{ - write(t->pty.master, buf, len); -} - -void runes_pty_backend_request_close(RunesTerm *t) -{ - RunesPtyBackend *pty = &t->pty; - - kill(pty->child_pid, SIGHUP); -} - -void runes_pty_backend_cleanup(RunesTerm *t) -{ - RunesPtyBackend *pty = &t->pty; - - close(pty->master); -} - -static void runes_pty_backend_read(uv_work_t *req) -{ - RunesLoopData *data = req->data; - RunesTerm *t = data->t; - - runes_window_backend_request_flush(t); - t->readlen = read( - t->pty.master, t->readbuf + t->remaininglen, - RUNES_READ_BUFFER_LENGTH - t->remaininglen); -} - -static void runes_pty_backend_got_data(uv_work_t *req, int status) -{ - RunesLoopData *data = req->data; - RunesTerm *t = data->t; - - UNUSED(status); - - if (t->readlen > 0) { - runes_parser_process_string( - t, t->readbuf, t->readlen + t->remaininglen); - uv_queue_work( - t->loop, req, runes_pty_backend_read, runes_pty_backend_got_data); - } - else { - runes_window_backend_request_close(t); - free(req); - } -} diff --git a/pty-unix.h b/pty-unix.h deleted file mode 100644 index 0d96aa9..0000000 --- a/pty-unix.h +++ /dev/null @@ -1,17 +0,0 @@ -#ifndef _RUNES_PTY_H -#define _RUNES_PTY_H - -struct runes_pty { - int master; - int slave; - pid_t child_pid; -}; - -void runes_pty_backend_spawn_subprocess(RunesTerm *t); -void runes_pty_backend_start_loop(RunesTerm *t); -void runes_pty_backend_set_window_size(RunesTerm *t); -void runes_pty_backend_write(RunesTerm *t, char *buf, size_t len); -void runes_pty_backend_request_close(RunesTerm *t); -void runes_pty_backend_cleanup(RunesTerm *t); - -#endif diff --git a/runes.c b/runes.c deleted file mode 100644 index b47796f..0000000 --- a/runes.c +++ /dev/null @@ -1,19 +0,0 @@ -#include -#include - -#include "runes.h" - -int main (int argc, char *argv[]) -{ - RunesTerm t; - - setlocale(LC_ALL, ""); - - runes_term_init(&t, argc, argv); - - uv_run(t.loop, UV_RUN_DEFAULT); - - runes_term_cleanup(&t); - - return 0; -} diff --git a/runes.h b/runes.h deleted file mode 100644 index 8c2861b..0000000 --- a/runes.h +++ /dev/null @@ -1,35 +0,0 @@ -#ifndef _RUNES_H -#define _RUNES_H - -#include -#include -#include - -#define RUNES_READ_BUFFER_LENGTH 4096 - -struct runes_term; -struct runes_window; -struct runes_pty; -struct runes_loop_data; - -typedef struct runes_term RunesTerm; -typedef struct runes_window RunesWindowBackend; -typedef struct runes_pty RunesPtyBackend; -typedef struct runes_loop_data RunesLoopData; - -struct runes_loop_data { - uv_work_t req; - RunesTerm *t; -}; - -#include "window-xlib.h" -#include "pty-unix.h" - -#include "term.h" -#include "display.h" -#include "parser.h" -#include "config.h" - -#define UNUSED(x) ((void)x) - -#endif diff --git a/src/config.c b/src/config.c new file mode 100644 index 0000000..0becda1 --- /dev/null +++ b/src/config.c @@ -0,0 +1,248 @@ +#include +#include +#include + +#include "runes.h" + +static void runes_config_set_defaults(RunesTerm *t); +static FILE *runes_config_get_config_file(); +static void runes_config_process_config_file(RunesTerm *t, FILE *config_file); +static void runes_config_set(RunesTerm *t, char *key, char *value); +static char runes_config_parse_bool(char *val); +static int runes_config_parse_uint(char *val); +static char *runes_config_parse_string(char *val); +static cairo_pattern_t *runes_config_parse_color(char *val); + +void runes_config_init(RunesTerm *t, int argc, char *argv[]) +{ + UNUSED(argc); + UNUSED(argv); + + memset((void *)t, 0, sizeof(*t)); + + runes_config_set_defaults(t); + runes_config_process_config_file(t, runes_config_get_config_file()); +} + +static void runes_config_set_defaults(RunesTerm *t) +{ + t->font_name = "monospace 10"; + t->bold_is_bright = 1; + t->bold_is_bold = 1; + t->audible_bell = 1; + + t->fgdefault = cairo_pattern_create_rgb(0.827, 0.827, 0.827); + t->bgdefault = cairo_pattern_create_rgb(0.0, 0.0, 0.0); + + t->colors[0] = cairo_pattern_create_rgb(0.0, 0.0, 0.0); + t->colors[1] = cairo_pattern_create_rgb(0.804, 0.0, 0.0); + t->colors[2] = cairo_pattern_create_rgb(0.0, 0.804, 0.0); + t->colors[3] = cairo_pattern_create_rgb(0.804, 0.804, 0.0); + t->colors[4] = cairo_pattern_create_rgb(0.0, 0.0, 0.804); + t->colors[5] = cairo_pattern_create_rgb(0.804, 0.0, 0.804); + t->colors[6] = cairo_pattern_create_rgb(0.0, 0.804, 0.804); + t->colors[7] = cairo_pattern_create_rgb(0.898, 0.898, 0.898); + + t->brightcolors[0] = cairo_pattern_create_rgb(0.302, 0.302, 0.302); + t->brightcolors[1] = cairo_pattern_create_rgb(1.0, 0.0, 0.0); + t->brightcolors[2] = cairo_pattern_create_rgb(0.0, 1.0, 0.0); + t->brightcolors[3] = cairo_pattern_create_rgb(1.0, 1.0, 0.0); + t->brightcolors[4] = cairo_pattern_create_rgb(0.0, 0.0, 1.0); + t->brightcolors[5] = cairo_pattern_create_rgb(1.0, 0.0, 1.0); + t->brightcolors[6] = cairo_pattern_create_rgb(0.0, 1.0, 1.0); + t->brightcolors[7] = cairo_pattern_create_rgb(1.0, 1.0, 1.0); + + t->default_rows = 24; + t->default_cols = 80; +} + +static FILE *runes_config_get_config_file() +{ + char *home, *config_dir, *path; + size_t home_len, config_dir_len; + FILE *file; + + home = getenv("HOME"); + home_len = strlen(home); + + config_dir = getenv("XDG_CONFIG_HOME"); + if (config_dir) { + config_dir = strdup(config_dir); + } + else { + config_dir = malloc(home_len + sizeof("/.config") + 1); + strcpy(config_dir, home); + strcpy(config_dir + home_len, "/.config"); + } + config_dir_len = strlen(config_dir); + + path = malloc(config_dir_len + sizeof("/runes/runes.conf") + 1); + strcpy(path, config_dir); + strcpy(path + config_dir_len, "/runes/runes.conf"); + free(config_dir); + + if ((file = fopen(path, "r"))) { + free(path); + return file; + } + + free(path); + path = malloc(home_len + sizeof("/.runesrc") + 1); + strcpy(path, home); + strcpy(path + home_len, "/.runesrc"); + + if ((file = fopen(path, "r"))) { + free(path); + return file; + } + + free(path); + + if ((file = fopen("/etc/runesrc", "r"))) { + return file; + } + + return NULL; +} + +static void runes_config_process_config_file(RunesTerm *t, FILE *config_file) +{ + char line[1024]; + + if (!config_file) { + return; + } + + while (fgets(line, 1024, config_file)) { + char *kbegin, *kend, *vbegin, *vend; + size_t len; + + len = strlen(line); + if (line[len - 1] == '\n') { + line[len - 1] = '\0'; + len--; + } + + if (!len || line[strspn(line, " \t")] == '#') { + continue; + } + + kbegin = line + strspn(line, " \t"); + kend = kbegin + strcspn(kbegin, " \t="); + vbegin = kend + strspn(kend, " \t"); + if (*vbegin != '=') { + fprintf(stderr, "couldn't parse line: '%s'\n", line); + } + vbegin++; + vbegin = vbegin + strspn(vbegin, " \t"); + vend = line + len; + + *kend = '\0'; + *vend = '\0'; + + runes_config_set(t, kbegin, vbegin); + } +} + +static void runes_config_set(RunesTerm *t, char *key, char *val) +{ + if (!strcmp(key, "font")) { + t->font_name = runes_config_parse_string(val); + } + else if (!strcmp(key, "bold_is_bright")) { + t->bold_is_bright = runes_config_parse_bool(val); + } + else if (!strcmp(key, "bold_is_bold")) { + t->bold_is_bold = runes_config_parse_bool(val); + } + else if (!strcmp(key, "audible_bell")) { + t->audible_bell = runes_config_parse_bool(val); + } + else if (!strcmp(key, "bgcolor")) { + cairo_pattern_t *newcolor; + newcolor = runes_config_parse_color(val); + if (newcolor) { + cairo_pattern_destroy(t->bgdefault); + t->bgdefault = newcolor; + } + } + else if (!strcmp(key, "fgcolor")) { + cairo_pattern_t *newcolor; + newcolor = runes_config_parse_color(val); + if (newcolor) { + cairo_pattern_destroy(t->fgdefault); + t->fgdefault = newcolor; + } + } + else if (!strncmp(key, "color", 5) + && strlen(key) == 6 && key[5] >= '0' && key[5] <= '7') { + cairo_pattern_t *newcolor; + newcolor = runes_config_parse_color(val); + if (newcolor) { + cairo_pattern_destroy(t->colors[key[5] - '0']); + t->colors[key[5] - '0'] = newcolor; + } + } + else if (!strncmp(key, "brightcolor", 5) + && strlen(key) == 6 && key[5] >= '0' && key[5] <= '7') { + cairo_pattern_t *newcolor; + newcolor = runes_config_parse_color(val); + if (newcolor) { + cairo_pattern_destroy(t->brightcolors[key[5] - '0']); + t->brightcolors[key[5] - '0'] = newcolor; + } + } + else if (!strcmp(key, "rows")) { + t->default_rows = runes_config_parse_uint(val); + } + else if (!strcmp(key, "cols")) { + t->default_cols = runes_config_parse_uint(val); + } + else if (!strcmp(key, "command")) { + t->cmd = runes_config_parse_string(val); + } + else { + fprintf(stderr, "unknown option: '%s'\n", key); + } +} + +static char runes_config_parse_bool(char *val) +{ + if (!strcmp(val, "true")) { + return 1; + } + else if (!strcmp(val, "false")) { + return 0; + } + else { + fprintf(stderr, "unknown boolean value: '%s'\n", val); + return 0; + } +} + +static int runes_config_parse_uint(char *val) +{ + if (strspn(val, "0123456789") != strlen(val)) { + fprintf(stderr, "unknown unsigned integer value: '%s'\n", val); + } + + return atoi(val); +} + +static char *runes_config_parse_string(char *val) +{ + return strdup(val); +} + +static cairo_pattern_t *runes_config_parse_color(char *val) +{ + int r, g, b; + + if (strlen(val) != 7 || sscanf(val, "#%2x%2x%2x", &r, &g, &b) != 3) { + fprintf(stderr, "unknown color value: '%s'\n", val); + return NULL; + } + + return cairo_pattern_create_rgb( + (double)r / 255.0, (double)g / 255.0, (double)b / 255.0); +} diff --git a/src/config.h b/src/config.h new file mode 100644 index 0000000..980cbab --- /dev/null +++ b/src/config.h @@ -0,0 +1,6 @@ +#ifndef _RUNES_CONFIG_H +#define _RUNES_CONFIG_H + +void runes_config_init(RunesTerm *t, int argc, char *argv[]); + +#endif diff --git a/src/display.c b/src/display.c new file mode 100644 index 0000000..474d972 --- /dev/null +++ b/src/display.c @@ -0,0 +1,563 @@ +#include +#include +#include + +#include "runes.h" + +static cairo_pattern_t *runes_display_get_fgcolor(RunesTerm *t); +static cairo_pattern_t *runes_display_get_bgcolor(RunesTerm *t); +static void runes_display_recalculate_font_metrics(RunesTerm *t); +static void runes_display_position_cursor(RunesTerm *t, cairo_t *cr); +static void runes_display_paint_rectangle( + RunesTerm *t, cairo_t *cr, cairo_pattern_t *pattern, + int x, int y, int width, int height); +static void runes_display_scroll_down(RunesTerm *t, int rows); + +void runes_display_init(RunesTerm *t) +{ + runes_display_recalculate_font_metrics(t); + + t->cursorcolor = cairo_pattern_create_rgba(0.0, 1.0, 0.0, 0.5); + + t->fgcolor = -1; + t->bgcolor = -1; +} + +void runes_display_set_window_size(RunesTerm *t) +{ + int width, height; + cairo_t *old_cr = NULL; + cairo_surface_t *surface; + + runes_window_backend_get_size(t, &width, &height); + + if (width == t->xpixel && height == t->ypixel) { + return; + } + + t->xpixel = width; + t->ypixel = height; + + t->rows = t->ypixel / t->fonty; + t->cols = t->xpixel / t->fontx; + + old_cr = t->cr; + + /* XXX this should really use cairo_surface_create_similar_image, but when + * i did that, drawing calls would occasionally block until an X event + * occurred for some reason. should look into this, because i think + * create_similar_image does things that are more efficient (using some + * xlib shm stuff) */ + surface = cairo_image_surface_create( + CAIRO_FORMAT_RGB24, t->xpixel, t->ypixel); + t->cr = cairo_create(surface); + cairo_surface_destroy(surface); + cairo_set_source(t->cr, runes_display_get_fgcolor(t)); + if (t->layout) { + pango_cairo_update_layout(t->cr, t->layout); + } + else { + PangoAttrList *attrs; + PangoFontDescription *font_desc; + + attrs = pango_attr_list_new(); + font_desc = pango_font_description_from_string(t->font_name); + + t->layout = pango_cairo_create_layout(t->cr); + pango_layout_set_attributes(t->layout, attrs); + pango_layout_set_font_description(t->layout, font_desc); + + pango_attr_list_unref(attrs); + pango_font_description_free(font_desc); + } + + cairo_save(t->cr); + + if (old_cr) { + cairo_set_source_surface(t->cr, cairo_get_target(old_cr), 0.0, 0.0); + } + else { + cairo_set_source(t->cr, t->bgdefault); + } + + cairo_paint(t->cr); + + cairo_restore(t->cr); + + if (old_cr) { + cairo_destroy(old_cr); + } + + runes_pty_backend_set_window_size(t); + runes_display_position_cursor(t, t->cr); +} + +void runes_display_focus_in(RunesTerm *t) +{ + t->unfocused = 0; +} + +void runes_display_focus_out(RunesTerm *t) +{ + t->unfocused = 1; +} + +void runes_display_move_to(RunesTerm *t, int row, int col) +{ + int height = t->scroll_bottom - t->scroll_top; + + t->row = row + t->scroll_top; + t->col = col; + + if (row > height) { + runes_display_scroll_down(t, row - height); + t->row = t->scroll_bottom; + } + else if (row < 0) { + runes_display_scroll_up(t, -row); + t->row = t->scroll_top; + } + + runes_display_position_cursor(t, t->cr); +} + +void runes_display_show_string_ascii(RunesTerm *t, char *buf, size_t len) +{ + if (len) { + int remaining = len, space_in_row = t->cols - t->col; + + do { + int to_write = remaining > space_in_row ? space_in_row : remaining; + + runes_display_paint_rectangle( + t, t->cr, runes_display_get_bgcolor(t), + t->col, t->row, to_write, 1); + + pango_layout_set_text(t->layout, buf, to_write); + pango_cairo_update_layout(t->cr, t->layout); + pango_cairo_show_layout(t->cr, t->layout); + + buf += to_write; + remaining -= to_write; + space_in_row = t->cols; + if (remaining) { + runes_display_move_to(t, t->row + 1, 0); + } + else { + t->col += len; + runes_display_position_cursor(t, t->cr); + } + } while (remaining > 0); + } +} + +/* XXX this is gross and kind of slow, but i can't find a better way to do it. + * i need to be able to convert the string into clusters before laying it out, + * since i'm not going to be using the full layout anyway, but the only way i + * can see to do that is with pango_get_log_attrs, which only returns character + * (not byte) offsets, so i have to reparse the utf8 myself once i get the + * results. not ideal. */ +void runes_display_show_string_utf8(RunesTerm *t, char *buf, size_t len) +{ + size_t i, pos, char_len; + PangoLogAttr *attrs; + + char_len = g_utf8_strlen(buf, len); + attrs = malloc(sizeof(PangoLogAttr) * (char_len + 1)); + pango_get_log_attrs(buf, len, -1, NULL, attrs, char_len + 1); + + pos = 0; + for (i = 1; i < char_len + 1; ++i) { + if (attrs[i].is_cursor_position) { + char *startpos, *c; + size_t cluster_len; + char width = 1; + + startpos = g_utf8_offset_to_pointer(buf, pos); + cluster_len = g_utf8_offset_to_pointer(buf, i) - startpos; + + for (c = startpos; + (size_t)(c - startpos) < cluster_len; + c = g_utf8_next_char(c)) { + if (g_unichar_iswide(g_utf8_get_char(c))) { + width = 2; + } + } + + runes_display_paint_rectangle( + t, t->cr, runes_display_get_bgcolor(t), + t->col, t->row, width, 1); + + pango_layout_set_text(t->layout, startpos, cluster_len); + pango_cairo_update_layout(t->cr, t->layout); + pango_cairo_show_layout(t->cr, t->layout); + + if (t->col + width >= t->cols) { + runes_display_move_to(t, t->row + 1, 0); + } + else { + runes_display_move_to(t, t->row, t->col + width); + } + pos = i; + } + } + + free(attrs); +} + +void runes_display_clear_screen(RunesTerm *t) +{ + runes_display_paint_rectangle( + t, t->cr, t->bgdefault, 0, 0, t->cols, t->rows); +} + +void runes_display_clear_screen_forward(RunesTerm *t) +{ + runes_display_kill_line_forward(t); + runes_display_paint_rectangle( + t, t->cr, t->bgdefault, 0, t->row, t->cols, t->rows - t->row); +} + +void runes_display_kill_line_forward(RunesTerm *t) +{ + runes_display_paint_rectangle( + t, t->cr, t->bgdefault, t->col, t->row, t->cols - t->col, 1); +} + +void runes_display_delete_characters(RunesTerm *t, int count) +{ + cairo_pattern_t *pattern; + cairo_matrix_t matrix; + + cairo_save(t->cr); + cairo_push_group(t->cr); + pattern = cairo_pattern_create_for_surface(cairo_get_target(t->cr)); + cairo_matrix_init_translate(&matrix, count * t->fontx, 0.0); + cairo_pattern_set_matrix(pattern, &matrix); + runes_display_paint_rectangle( + t, t->cr, pattern, t->col, t->row, t->cols - t->col - count, 1); + cairo_pattern_destroy(pattern); + cairo_pop_group_to_source(t->cr); + cairo_paint(t->cr); + runes_display_paint_rectangle( + t, t->cr, t->colors[0], t->cols - count, t->row, count, 1); + cairo_restore(t->cr); +} + +void runes_display_reset_text_attributes(RunesTerm *t) +{ + runes_display_reset_fg_color(t); + runes_display_reset_bg_color(t); + runes_display_reset_bold(t); + runes_display_reset_italic(t); + runes_display_reset_underline(t); + runes_display_reset_inverse(t); +} + +void runes_display_set_bold(RunesTerm *t) +{ + PangoAttrList *attrs; + + attrs = pango_layout_get_attributes(t->layout); + if (t->bold_is_bold) { + pango_attr_list_change( + attrs, pango_attr_weight_new(PANGO_WEIGHT_BOLD)); + } + t->bold = 1; + cairo_set_source(t->cr, runes_display_get_fgcolor(t)); +} + +void runes_display_reset_bold(RunesTerm *t) +{ + PangoAttrList *attrs; + + attrs = pango_layout_get_attributes(t->layout); + if (t->bold_is_bold) { + pango_attr_list_change( + attrs, pango_attr_weight_new(PANGO_WEIGHT_NORMAL)); + } + t->bold = 0; + cairo_set_source(t->cr, runes_display_get_fgcolor(t)); +} + +void runes_display_set_italic(RunesTerm *t) +{ + PangoAttrList *attrs; + + attrs = pango_layout_get_attributes(t->layout); + pango_attr_list_change(attrs, pango_attr_style_new(PANGO_STYLE_ITALIC)); +} + +void runes_display_reset_italic(RunesTerm *t) +{ + PangoAttrList *attrs; + + attrs = pango_layout_get_attributes(t->layout); + pango_attr_list_change(attrs, pango_attr_style_new(PANGO_STYLE_NORMAL)); +} + +void runes_display_set_underline(RunesTerm *t) +{ + PangoAttrList *attrs; + + attrs = pango_layout_get_attributes(t->layout); + pango_attr_list_change( + attrs, pango_attr_underline_new(PANGO_UNDERLINE_SINGLE)); +} + +void runes_display_reset_underline(RunesTerm *t) +{ + PangoAttrList *attrs; + + attrs = pango_layout_get_attributes(t->layout); + pango_attr_list_change( + attrs, pango_attr_underline_new(PANGO_UNDERLINE_NONE)); +} + +void runes_display_set_inverse(RunesTerm *t) +{ + t->inverse = 1; + cairo_set_source(t->cr, runes_display_get_fgcolor(t)); +} + +void runes_display_reset_inverse(RunesTerm *t) +{ + t->inverse = 0; + cairo_set_source(t->cr, runes_display_get_fgcolor(t)); +} + +void runes_display_set_fg_color(RunesTerm *t, int color) +{ + t->fgcolor = color; + cairo_set_source(t->cr, runes_display_get_fgcolor(t)); +} + +void runes_display_reset_fg_color(RunesTerm *t) +{ + runes_display_set_fg_color(t, -1); +} + +void runes_display_set_bg_color(RunesTerm *t, int color) +{ + t->bgcolor = color; + cairo_set_source(t->cr, runes_display_get_fgcolor(t)); +} + +void runes_display_reset_bg_color(RunesTerm *t) +{ + runes_display_set_bg_color(t, -1); +} + +void runes_display_show_cursor(RunesTerm *t) +{ + t->hide_cursor = 0; +} + +void runes_display_hide_cursor(RunesTerm *t) +{ + t->hide_cursor = 1; +} + +void runes_display_save_cursor(RunesTerm *t) +{ + t->saved_row = t->row; + t->saved_col = t->col; + /* XXX do other stuff here? */ +} + +void runes_display_restore_cursor(RunesTerm *t) +{ + t->row = t->saved_row; + t->col = t->saved_col; +} + +void runes_display_use_alternate_buffer(RunesTerm *t) +{ + if (t->alternate_cr) { + return; + } + + runes_display_save_cursor(t); + t->alternate_cr = t->cr; + t->cr = NULL; + t->xpixel = -1; + t->ypixel = -1; + runes_display_set_window_size(t); +} + +void runes_display_use_normal_buffer(RunesTerm *t) +{ + if (!t->alternate_cr) { + return; + } + + runes_display_restore_cursor(t); + cairo_destroy(t->cr); + t->cr = t->alternate_cr; + t->alternate_cr = NULL; + t->xpixel = -1; + t->ypixel = -1; + runes_display_set_window_size(t); +} + +void runes_display_set_scroll_region( + RunesTerm *t, int top, int bottom, int left, int right) +{ + top = (top < 1 ? 1 : top) - 1; + bottom = (bottom > t->rows ? t->rows : bottom) - 1; + left = (left < 1 ? 1 : left) - 1; + right = (right > t->cols ? t->cols : right) - 1; + + if (left != 0 || right != t->cols - 1) { + fprintf(stderr, "vertical scroll regions not yet supported\n"); + } + + if (top >= bottom || left >= right) { + t->scroll_top = 0; + t->scroll_bottom = t->rows - 1; + return; + } + + t->scroll_top = top; + t->scroll_bottom = bottom; + runes_display_move_to(t, 0, 0); +} + +void runes_display_scroll_up(RunesTerm *t, int rows) +{ + cairo_pattern_t *pattern; + cairo_matrix_t matrix; + + cairo_save(t->cr); + cairo_push_group(t->cr); + pattern = cairo_pattern_create_for_surface(cairo_get_target(t->cr)); + cairo_matrix_init_translate(&matrix, 0.0, -rows * t->fonty); + cairo_pattern_set_matrix(pattern, &matrix); + runes_display_paint_rectangle( + t, t->cr, pattern, + 0, t->scroll_top + rows, + t->cols, t->scroll_bottom - t->scroll_top + 1 - rows); + cairo_pattern_destroy(pattern); + cairo_pop_group_to_source(t->cr); + cairo_paint(t->cr); + runes_display_paint_rectangle( + t, t->cr, t->bgdefault, 0, t->scroll_top, t->cols, rows); + cairo_restore(t->cr); +} + +void runes_display_cleanup(RunesTerm *t) +{ + int i; + + g_object_unref(t->layout); + for (i = 0; i < 8; ++i) { + cairo_pattern_destroy(t->colors[i]); + cairo_pattern_destroy(t->brightcolors[i]); + } + cairo_pattern_destroy(t->cursorcolor); + cairo_destroy(t->cr); +} + +static cairo_pattern_t *runes_display_get_fgcolor(RunesTerm *t) +{ + int color = t->inverse ? t->bgcolor : t->fgcolor; + + if (t->inverse && t->bgcolor == t->fgcolor) { + return t->bgdefault; + } + else if (color == -1) { + return t->inverse ? t->bgdefault : t->fgdefault; + } + else if (t->bold_is_bright && t->bold) { + return t->brightcolors[color]; + } + else { + return t->colors[color]; + } +} + +static cairo_pattern_t *runes_display_get_bgcolor(RunesTerm *t) +{ + int color = t->inverse ? t->fgcolor : t->bgcolor; + + if (t->inverse && t->bgcolor == t->fgcolor) { + return t->fgdefault; + } + else if (color == -1) { + return t->inverse ? t->fgdefault : t->bgdefault; + } + else { + return t->colors[color]; + } +} + +static void runes_display_recalculate_font_metrics(RunesTerm *t) +{ + PangoFontDescription *desc; + PangoContext *context; + PangoFontMetrics *metrics; + int ascent, descent; + + desc = pango_font_description_from_string(t->font_name); + + if (t->layout) { + context = pango_layout_get_context(t->layout); + } + else { + context = pango_font_map_create_context( + pango_cairo_font_map_get_default()); + } + + metrics = pango_context_get_metrics(context, desc, NULL); + + t->fontx = PANGO_PIXELS( + pango_font_metrics_get_approximate_digit_width(metrics)); + ascent = pango_font_metrics_get_ascent(metrics); + descent = pango_font_metrics_get_descent(metrics); + t->fonty = PANGO_PIXELS(ascent + descent); + + pango_font_metrics_unref(metrics); + pango_font_description_free(desc); + if (!t->layout) { + g_object_unref(context); + } +} + +static void runes_display_position_cursor(RunesTerm *t, cairo_t *cr) +{ + cairo_move_to(cr, t->col * t->fontx, t->row * t->fonty); +} + +static void runes_display_paint_rectangle( + RunesTerm *t, cairo_t *cr, cairo_pattern_t *pattern, + int x, int y, int width, int height) +{ + cairo_save(cr); + cairo_set_source(cr, pattern); + cairo_rectangle( + cr, x * t->fontx, y * t->fonty, width * t->fontx, height * t->fonty); + cairo_fill(cr); + cairo_restore(cr); + runes_display_position_cursor(t, t->cr); +} + +static void runes_display_scroll_down(RunesTerm *t, int rows) +{ + cairo_pattern_t *pattern; + cairo_matrix_t matrix; + + cairo_save(t->cr); + cairo_push_group(t->cr); + pattern = cairo_pattern_create_for_surface(cairo_get_target(t->cr)); + cairo_matrix_init_translate(&matrix, 0.0, rows * t->fonty); + cairo_pattern_set_matrix(pattern, &matrix); + runes_display_paint_rectangle( + t, t->cr, pattern, + 0, t->scroll_top, t->cols, t->scroll_bottom - t->scroll_top); + cairo_pattern_destroy(pattern); + cairo_pop_group_to_source(t->cr); + cairo_paint(t->cr); + runes_display_paint_rectangle( + t, t->cr, t->bgdefault, 0, t->scroll_bottom + 1 - rows, t->cols, rows); + cairo_restore(t->cr); +} diff --git a/src/display.h b/src/display.h new file mode 100644 index 0000000..cb0b16c --- /dev/null +++ b/src/display.h @@ -0,0 +1,39 @@ +#ifndef _RUNES_DISPLAY_H +#define _RUNES_DISPLAY_H + +void runes_display_init(RunesTerm *t); +void runes_display_set_window_size(RunesTerm *t); +void runes_display_focus_in(RunesTerm *t); +void runes_display_focus_out(RunesTerm *t); +void runes_display_move_to(RunesTerm *t, int row, int col); +void runes_display_show_string_ascii(RunesTerm *t, char *buf, size_t len); +void runes_display_show_string_utf8(RunesTerm *t, char *buf, size_t len); +void runes_display_clear_screen(RunesTerm *t); +void runes_display_clear_screen_forward(RunesTerm *t); +void runes_display_kill_line_forward(RunesTerm *t); +void runes_display_delete_characters(RunesTerm *t, int count); +void runes_display_reset_text_attributes(RunesTerm *t); +void runes_display_set_bold(RunesTerm *t); +void runes_display_reset_bold(RunesTerm *t); +void runes_display_set_italic(RunesTerm *t); +void runes_display_reset_italic(RunesTerm *t); +void runes_display_set_underline(RunesTerm *t); +void runes_display_reset_underline(RunesTerm *t); +void runes_display_set_inverse(RunesTerm *t); +void runes_display_reset_inverse(RunesTerm *t); +void runes_display_set_fg_color(RunesTerm *t, int color); +void runes_display_reset_fg_color(RunesTerm *t); +void runes_display_set_bg_color(RunesTerm *t, int color); +void runes_display_reset_bg_color(RunesTerm *t); +void runes_display_show_cursor(RunesTerm *t); +void runes_display_hide_cursor(RunesTerm *t); +void runes_display_save_cursor(RunesTerm *t); +void runes_display_restore_cursor(RunesTerm *t); +void runes_display_use_alternate_buffer(RunesTerm *t); +void runes_display_use_normal_buffer(RunesTerm *t); +void runes_display_set_scroll_region( + RunesTerm *t, int top, int bottom, int left, int right); +void runes_display_scroll_up(RunesTerm *t, int rows); +void runes_display_cleanup(RunesTerm *t); + +#endif diff --git a/src/parser.c b/src/parser.c new file mode 100644 index 0000000..e19e023 --- /dev/null +++ b/src/parser.c @@ -0,0 +1,2776 @@ +#line 2 "src/parser.c" + +#line 4 "src/parser.c" + +#define YY_INT_ALIGNED short int + +/* A lexical scanner generated by flex */ + +#define FLEX_SCANNER +#define YY_FLEX_MAJOR_VERSION 2 +#define YY_FLEX_MINOR_VERSION 5 +#define YY_FLEX_SUBMINOR_VERSION 39 +#if YY_FLEX_SUBMINOR_VERSION > 0 +#define FLEX_BETA +#endif + +/* First, we deal with platform-specific or compiler-specific issues. */ + +/* begin standard C headers. */ +#include +#include +#include +#include + +/* end standard C headers. */ + +/* flex integer type definitions */ + +#ifndef FLEXINT_H +#define FLEXINT_H + +/* C99 systems have . Non-C99 systems may or may not. */ + +#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + +/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h, + * if you want the limit (max/min) macros for int types. + */ +#ifndef __STDC_LIMIT_MACROS +#define __STDC_LIMIT_MACROS 1 +#endif + +#include +typedef int8_t flex_int8_t; +typedef uint8_t flex_uint8_t; +typedef int16_t flex_int16_t; +typedef uint16_t flex_uint16_t; +typedef int32_t flex_int32_t; +typedef uint32_t flex_uint32_t; +#else +typedef signed char flex_int8_t; +typedef short int flex_int16_t; +typedef int flex_int32_t; +typedef unsigned char flex_uint8_t; +typedef unsigned short int flex_uint16_t; +typedef unsigned int flex_uint32_t; + +/* Limits of integral types. */ +#ifndef INT8_MIN +#define INT8_MIN (-128) +#endif +#ifndef INT16_MIN +#define INT16_MIN (-32767-1) +#endif +#ifndef INT32_MIN +#define INT32_MIN (-2147483647-1) +#endif +#ifndef INT8_MAX +#define INT8_MAX (127) +#endif +#ifndef INT16_MAX +#define INT16_MAX (32767) +#endif +#ifndef INT32_MAX +#define INT32_MAX (2147483647) +#endif +#ifndef UINT8_MAX +#define UINT8_MAX (255U) +#endif +#ifndef UINT16_MAX +#define UINT16_MAX (65535U) +#endif +#ifndef UINT32_MAX +#define UINT32_MAX (4294967295U) +#endif + +#endif /* ! C99 */ + +#endif /* ! FLEXINT_H */ + +#ifdef __cplusplus + +/* The "const" storage-class-modifier is valid. */ +#define YY_USE_CONST + +#else /* ! __cplusplus */ + +/* C99 requires __STDC__ to be defined as 1. */ +#if defined (__STDC__) + +#define YY_USE_CONST + +#endif /* defined (__STDC__) */ +#endif /* ! __cplusplus */ + +#ifdef YY_USE_CONST +#define yyconst const +#else +#define yyconst +#endif + +/* Returned upon end-of-file. */ +#define YY_NULL 0 + +/* Promotes a possibly negative, possibly signed char to an unsigned + * integer for use as an array index. If the signed char is negative, + * we want to instead treat it as an 8-bit unsigned char, hence the + * double cast. + */ +#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) + +/* An opaque pointer. */ +#ifndef YY_TYPEDEF_YY_SCANNER_T +#define YY_TYPEDEF_YY_SCANNER_T +typedef void* yyscan_t; +#endif + +/* For convenience, these vars (plus the bison vars far below) + are macros in the reentrant scanner. */ +#define yyin yyg->yyin_r +#define yyout yyg->yyout_r +#define yyextra yyg->yyextra_r +#define yyleng yyg->yyleng_r +#define yytext yyg->yytext_r +#define yylineno (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno) +#define yycolumn (YY_CURRENT_BUFFER_LVALUE->yy_bs_column) +#define yy_flex_debug yyg->yy_flex_debug_r + +/* Enter a start condition. This macro really ought to take a parameter, + * but we do it the disgusting crufty way forced on us by the ()-less + * definition of BEGIN. + */ +#define BEGIN yyg->yy_start = 1 + 2 * + +/* Translate the current start state into a value that can be later handed + * to BEGIN to return to the state. The YYSTATE alias is for lex + * compatibility. + */ +#define YY_START ((yyg->yy_start - 1) / 2) +#define YYSTATE YY_START + +/* Action number for EOF rule of a given start state. */ +#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) + +/* Special action meaning "start processing a new file". */ +#define YY_NEW_FILE runes_parser_yyrestart(yyin ,yyscanner ) + +#define YY_END_OF_BUFFER_CHAR 0 + +/* Size of default input buffer. */ +#ifndef YY_BUF_SIZE +#define YY_BUF_SIZE 16384 +#endif + +/* The state buf must be large enough to hold one state per character in the main buffer. + */ +#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) + +#ifndef YY_TYPEDEF_YY_BUFFER_STATE +#define YY_TYPEDEF_YY_BUFFER_STATE +typedef struct yy_buffer_state *YY_BUFFER_STATE; +#endif + +#ifndef YY_TYPEDEF_YY_SIZE_T +#define YY_TYPEDEF_YY_SIZE_T +typedef size_t yy_size_t; +#endif + +#define EOB_ACT_CONTINUE_SCAN 0 +#define EOB_ACT_END_OF_FILE 1 +#define EOB_ACT_LAST_MATCH 2 + + #define YY_LESS_LINENO(n) + #define YY_LINENO_REWIND_TO(ptr) + +/* Return all but the first "n" matched characters back to the input stream. */ +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + *yy_cp = yyg->yy_hold_char; \ + YY_RESTORE_YY_MORE_OFFSET \ + yyg->yy_c_buf_p = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ + YY_DO_BEFORE_ACTION; /* set up yytext again */ \ + } \ + while ( 0 ) + +#define unput(c) yyunput( c, yyg->yytext_ptr , yyscanner ) + +#ifndef YY_STRUCT_YY_BUFFER_STATE +#define YY_STRUCT_YY_BUFFER_STATE +struct yy_buffer_state + { + FILE *yy_input_file; + + char *yy_ch_buf; /* input buffer */ + char *yy_buf_pos; /* current position in input buffer */ + + /* Size of input buffer in bytes, not including room for EOB + * characters. + */ + yy_size_t yy_buf_size; + + /* Number of characters read into yy_ch_buf, not including EOB + * characters. + */ + yy_size_t yy_n_chars; + + /* Whether we "own" the buffer - i.e., we know we created it, + * and can realloc() it to grow it, and should free() it to + * delete it. + */ + int yy_is_our_buffer; + + /* Whether this is an "interactive" input source; if so, and + * if we're using stdio for input, then we want to use getc() + * instead of fread(), to make sure we stop fetching input after + * each newline. + */ + int yy_is_interactive; + + /* Whether we're considered to be at the beginning of a line. + * If so, '^' rules will be active on the next match, otherwise + * not. + */ + int yy_at_bol; + + int yy_bs_lineno; /**< The line count. */ + int yy_bs_column; /**< The column count. */ + + /* Whether to try to fill the input buffer when we reach the + * end of it. + */ + int yy_fill_buffer; + + int yy_buffer_status; + +#define YY_BUFFER_NEW 0 +#define YY_BUFFER_NORMAL 1 + /* When an EOF's been seen but there's still some text to process + * then we mark the buffer as YY_EOF_PENDING, to indicate that we + * shouldn't try reading from the input source any more. We might + * still have a bunch of tokens to match, though, because of + * possible backing-up. + * + * When we actually see the EOF, we change the status to "new" + * (via runes_parser_yyrestart()), so that the user can continue scanning by + * just pointing yyin at a new input file. + */ +#define YY_BUFFER_EOF_PENDING 2 + + }; +#endif /* !YY_STRUCT_YY_BUFFER_STATE */ + +/* We provide macros for accessing buffer states in case in the + * future we want to put the buffer states in a more general + * "scanner state". + * + * Returns the top of the stack, or NULL. + */ +#define YY_CURRENT_BUFFER ( yyg->yy_buffer_stack \ + ? yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] \ + : NULL) + +/* Same as previous macro, but useful when we know that the buffer stack is not + * NULL or when we need an lvalue. For internal use only. + */ +#define YY_CURRENT_BUFFER_LVALUE yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] + +void runes_parser_yyrestart (FILE *input_file ,yyscan_t yyscanner ); +void runes_parser_yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner ); +YY_BUFFER_STATE runes_parser_yy_create_buffer (FILE *file,int size ,yyscan_t yyscanner ); +void runes_parser_yy_delete_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner ); +void runes_parser_yy_flush_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner ); +void runes_parser_yypush_buffer_state (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner ); +void runes_parser_yypop_buffer_state (yyscan_t yyscanner ); + +static void runes_parser_yyensure_buffer_stack (yyscan_t yyscanner ); +static void runes_parser_yy_load_buffer_state (yyscan_t yyscanner ); +static void runes_parser_yy_init_buffer (YY_BUFFER_STATE b,FILE *file ,yyscan_t yyscanner ); + +#define YY_FLUSH_BUFFER runes_parser_yy_flush_buffer(YY_CURRENT_BUFFER ,yyscanner) + +YY_BUFFER_STATE runes_parser_yy_scan_buffer (char *base,yy_size_t size ,yyscan_t yyscanner ); +YY_BUFFER_STATE runes_parser_yy_scan_string (yyconst char *yy_str ,yyscan_t yyscanner ); +YY_BUFFER_STATE runes_parser_yy_scan_bytes (yyconst char *bytes,yy_size_t len ,yyscan_t yyscanner ); + +void *runes_parser_yyalloc (yy_size_t ,yyscan_t yyscanner ); +void *runes_parser_yyrealloc (void *,yy_size_t ,yyscan_t yyscanner ); +void runes_parser_yyfree (void * ,yyscan_t yyscanner ); + +#define yy_new_buffer runes_parser_yy_create_buffer + +#define yy_set_interactive(is_interactive) \ + { \ + if ( ! YY_CURRENT_BUFFER ){ \ + runes_parser_yyensure_buffer_stack (yyscanner); \ + YY_CURRENT_BUFFER_LVALUE = \ + runes_parser_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ + } + +#define yy_set_bol(at_bol) \ + { \ + if ( ! YY_CURRENT_BUFFER ){\ + runes_parser_yyensure_buffer_stack (yyscanner); \ + YY_CURRENT_BUFFER_LVALUE = \ + runes_parser_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ + } + +#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) + +/* Begin user sect3 */ + +#define runes_parser_yywrap(yyscanner) 1 +#define YY_SKIP_YYWRAP + +typedef unsigned char YY_CHAR; + +typedef int yy_state_type; + +#define yytext_ptr yytext_r + +static yy_state_type yy_get_previous_state (yyscan_t yyscanner ); +static yy_state_type yy_try_NUL_trans (yy_state_type current_state ,yyscan_t yyscanner); +static int yy_get_next_buffer (yyscan_t yyscanner ); +static void yy_fatal_error (yyconst char msg[] ,yyscan_t yyscanner ); + +/* Done after the current pattern has been matched and before the + * corresponding action - sets up yytext. + */ +#define YY_DO_BEFORE_ACTION \ + yyg->yytext_ptr = yy_bp; \ + yyleng = (size_t) (yy_cp - yy_bp); \ + yyg->yy_hold_char = *yy_cp; \ + *yy_cp = '\0'; \ + yyg->yy_c_buf_p = yy_cp; + +#define YY_NUM_RULES 49 +#define YY_END_OF_BUFFER 50 +/* This struct is not used in this scanner, + but its presence is necessary. */ +struct yy_trans_info + { + flex_int32_t yy_verify; + flex_int32_t yy_nxt; + }; +static yyconst flex_int16_t yy_accept[133] = + { 0, + 0, 0, 50, 47, 1, 2, 3, 4, 5, 6, + 7, 40, 32, 48, 34, 35, 36, 45, 46, 12, + 13, 8, 9, 10, 38, 39, 11, 0, 0, 0, + 32, 0, 0, 0, 33, 35, 36, 41, 42, 37, + 37, 42, 42, 14, 15, 16, 17, 18, 19, 20, + 21, 22, 23, 24, 25, 26, 0, 0, 0, 43, + 44, 44, 44, 44, 0, 0, 0, 0, 0, 0, + 0, 36, 37, 37, 37, 27, 28, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 37, 0, + 29, 0, 0, 0, 0, 30, 0, 0, 0, 0, + + 31, 0, 0, 0, 0, 0, 37, 37, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 23, 24, + 37, 0, 0, 0, 37, 37, 0, 37, 37, 0, + 37, 0 + } ; + +static yyconst flex_int32_t yy_ec[256] = + { 0, + 1, 1, 1, 1, 1, 1, 2, 3, 4, 5, + 6, 7, 8, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 9, 1, 1, 1, + 1, 10, 10, 10, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 10, 10, 11, 12, 13, + 14, 14, 14, 14, 15, 16, 14, 10, 17, 18, + 19, 20, 21, 10, 22, 23, 24, 25, 10, 10, + 10, 26, 10, 27, 28, 29, 30, 10, 10, 31, + 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, + 32, 10, 33, 10, 10, 10, 10, 10, 10, 10, + + 10, 10, 34, 35, 10, 10, 10, 36, 37, 10, + 10, 10, 10, 38, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 10, 1, 39, 39, 39, + 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, + 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, + 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, + 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, + 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, + 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, + 39, 40, 40, 40, 40, 40, 40, 40, 40, 40, + + 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, + 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, + 40, 40, 40, 41, 41, 41, 41, 41, 41, 41, + 41, 41, 41, 41, 41, 41, 41, 41, 41, 42, + 42, 42, 42, 42, 42, 42, 42, 43, 43, 43, + 43, 43, 43, 43, 43 + } ; + +static yyconst flex_int32_t yy_meta[44] = + { 0, + 1, 2, 1, 1, 1, 1, 1, 1, 1, 3, + 4, 4, 4, 4, 4, 4, 5, 6, 6, 3, + 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 5, 5, 3, 3, 7, 3, + 3, 3, 7 + } ; + +static yyconst flex_int16_t yy_base[147] = + { 0, + 0, 43, 318, 511, 511, 511, 511, 511, 511, 511, + 511, 86, 13, 511, 278, 277, 276, 511, 511, 511, + 511, 511, 511, 511, 128, 170, 511, 274, 273, 272, + 16, 271, 270, 257, 19, 256, 255, 511, 511, 0, + 511, 212, 244, 511, 511, 511, 511, 511, 511, 511, + 511, 511, 511, 511, 511, 511, 254, 253, 252, 511, + 511, 271, 270, 269, 246, 245, 244, 243, 242, 241, + 231, 230, 4, 45, 262, 511, 511, 228, 227, 24, + 27, 30, 226, 225, 224, 223, 288, 0, 9, 222, + 511, 33, 212, 170, 169, 511, 165, 165, 164, 163, + + 511, 266, 162, 161, 158, 157, 0, 15, 163, 316, + 156, 155, 154, 153, 151, 147, 334, 58, 511, 511, + 350, 86, 39, 24, 368, 166, 384, 400, 170, 416, + 0, 511, 454, 459, 465, 469, 472, 477, 482, 487, + 490, 493, 496, 498, 501, 504 + } ; + +static yyconst flex_int16_t yy_def[147] = + { 0, + 133, 133, 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 134, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 135, 132, 132, 132, 132, + 134, 132, 132, 132, 136, 132, 132, 132, 132, 25, + 132, 132, 42, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 137, 42, 42, 132, 132, 132, 132, 138, + 139, 140, 132, 132, 132, 132, 42, 132, 141, 132, + 132, 138, 132, 132, 132, 132, 139, 132, 132, 132, + + 132, 140, 132, 132, 132, 132, 87, 142, 143, 75, + 132, 132, 132, 132, 132, 132, 87, 144, 132, 132, + 75, 132, 132, 132, 87, 145, 87, 87, 146, 87, + 130, 0, 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 132 + } ; + +static yyconst flex_int16_t yy_nxt[555] = + { 0, + 4, 5, 6, 7, 8, 9, 10, 11, 12, 132, + 109, 109, 109, 109, 109, 109, 73, 39, 39, 132, + 39, 88, 88, 132, 88, 91, 88, 88, 96, 88, + 132, 101, 88, 88, 91, 88, 132, 39, 14, 15, + 16, 17, 14, 4, 5, 6, 7, 8, 9, 10, + 11, 12, 32, 33, 34, 32, 33, 34, 32, 33, + 34, 89, 102, 93, 94, 95, 98, 99, 100, 103, + 104, 105, 93, 94, 95, 88, 88, 97, 88, 53, + 54, 14, 15, 16, 17, 14, 18, 18, 18, 18, + 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, + + 20, 21, 19, 19, 22, 23, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 24, 19, 25, 26, 27, + 19, 19, 19, 19, 92, 28, 29, 30, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 39, 40, 40, + 40, 40, 40, 40, 41, 42, 42, 39, 43, 44, + 45, 46, 47, 48, 49, 50, 51, 39, 52, 39, + 39, 39, 53, 54, 55, 56, 96, 57, 58, 59, + 60, 60, 60, 60, 60, 60, 60, 60, 60, 118, + 62, 63, 64, 88, 88, 124, 88, 88, 88, 102, + 88, 123, 97, 122, 92, 61, 116, 119, 120, 115, + + 102, 114, 113, 97, 98, 99, 100, 112, 111, 65, + 66, 67, 38, 38, 38, 38, 38, 38, 38, 38, + 38, 39, 74, 74, 74, 74, 74, 74, 41, 39, + 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, + 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, + 92, 57, 58, 59, 75, 75, 75, 75, 75, 75, + 39, 35, 19, 106, 61, 90, 39, 101, 35, 86, + 76, 77, 75, 75, 75, 75, 75, 75, 89, 35, + 85, 19, 84, 83, 61, 82, 81, 80, 76, 77, + 79, 78, 39, 72, 35, 71, 53, 54, 107, 107, + + 107, 107, 107, 107, 108, 103, 104, 105, 70, 35, + 69, 68, 19, 48, 37, 36, 35, 132, 132, 132, + 132, 132, 53, 54, 55, 56, 121, 121, 121, 121, + 121, 121, 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 39, 39, 125, 125, 125, 125, 125, 125, + 126, 132, 132, 132, 132, 132, 132, 132, 132, 39, + 121, 121, 121, 121, 121, 121, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 132, 39, 39, 125, 125, + 125, 125, 125, 125, 126, 132, 132, 132, 132, 132, + 132, 132, 132, 39, 128, 128, 128, 128, 128, 128, + + 129, 132, 132, 132, 132, 132, 132, 132, 132, 39, + 128, 128, 128, 128, 128, 128, 129, 132, 132, 132, + 132, 132, 132, 132, 132, 39, 131, 131, 131, 131, + 131, 131, 129, 132, 132, 132, 132, 132, 132, 132, + 132, 39, 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 39, 13, 13, 13, 13, 13, 13, + 13, 31, 31, 31, 31, 61, 61, 61, 61, 61, + 61, 35, 35, 35, 35, 87, 132, 87, 92, 92, + 92, 92, 92, 97, 97, 97, 97, 97, 102, 102, + 102, 102, 102, 110, 132, 110, 117, 132, 117, 109, + + 109, 109, 132, 109, 127, 132, 127, 130, 132, 130, + 3, 132, 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132 + } ; + +static yyconst flex_int16_t yy_chk[555] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, + 88, 88, 88, 88, 88, 88, 40, 40, 40, 0, + 40, 73, 73, 0, 73, 80, 89, 89, 81, 89, + 0, 82, 108, 108, 92, 108, 0, 40, 1, 1, + 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 13, 13, 13, 31, 31, 31, 35, 35, + 35, 74, 124, 80, 80, 80, 81, 81, 81, 82, + 82, 82, 92, 92, 92, 118, 118, 123, 118, 74, + 74, 2, 2, 2, 2, 2, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, + + 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 122, 12, 12, 12, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 25, 25, 97, 25, 25, 25, + 26, 26, 26, 26, 26, 26, 26, 26, 26, 109, + 26, 26, 26, 126, 126, 116, 126, 129, 129, 115, + 129, 114, 113, 112, 111, 106, 105, 109, 109, 104, + + 103, 100, 99, 98, 97, 97, 97, 95, 94, 26, + 26, 26, 42, 42, 42, 42, 42, 42, 42, 42, + 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, + 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, + 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, + 93, 42, 42, 42, 43, 43, 43, 43, 43, 43, + 90, 86, 85, 84, 83, 79, 78, 102, 72, 71, + 43, 43, 75, 75, 75, 75, 75, 75, 75, 70, + 69, 68, 67, 66, 65, 64, 63, 62, 75, 75, + 59, 58, 57, 37, 36, 34, 75, 75, 87, 87, + + 87, 87, 87, 87, 87, 102, 102, 102, 33, 32, + 30, 29, 28, 87, 17, 16, 15, 3, 0, 0, + 0, 0, 87, 87, 87, 87, 110, 110, 110, 110, + 110, 110, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 110, 110, 117, 117, 117, 117, 117, 117, + 117, 0, 0, 0, 0, 0, 0, 0, 0, 117, + 121, 121, 121, 121, 121, 121, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 121, 121, 125, 125, + 125, 125, 125, 125, 125, 0, 0, 0, 0, 0, + 0, 0, 0, 125, 127, 127, 127, 127, 127, 127, + + 127, 0, 0, 0, 0, 0, 0, 0, 0, 127, + 128, 128, 128, 128, 128, 128, 128, 0, 0, 0, + 0, 0, 0, 0, 0, 128, 130, 130, 130, 130, + 130, 130, 130, 0, 0, 0, 0, 0, 0, 0, + 0, 130, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 130, 133, 133, 133, 133, 133, 133, + 133, 134, 134, 134, 134, 135, 135, 135, 135, 135, + 135, 136, 136, 136, 136, 137, 0, 137, 138, 138, + 138, 138, 138, 139, 139, 139, 139, 139, 140, 140, + 140, 140, 140, 141, 0, 141, 142, 0, 142, 143, + + 143, 144, 0, 144, 145, 0, 145, 146, 0, 146, + 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132 + } ; + +/* The intent behind this definition is that it'll catch + * any uses of REJECT which flex missed. + */ +#define REJECT reject_used_but_not_detected +#define yymore() yymore_used_but_not_detected +#define YY_MORE_ADJ 0 +#define YY_RESTORE_YY_MORE_OFFSET +#line 1 "src/parser.l" +#line 2 "src/parser.l" +#include + +#include "runes.h" + +#define RUNES_PARSER_CSI_MAX_PARAMS 256 + +#define YY_EXIT_FAILURE (UNUSED(yyscanner), 2) +#define YY_NO_INPUT 1 +#line 73 "src/parser.l" +static void runes_parser_handle_bel(RunesTerm *t); +static void runes_parser_handle_bs(RunesTerm *t); +static void runes_parser_handle_tab(RunesTerm *t); +static void runes_parser_handle_lf(RunesTerm *t); +static void runes_parser_handle_cr(RunesTerm *t); +static void runes_parser_handle_deckpam(RunesTerm *t); +static void runes_parser_handle_deckpnm(RunesTerm *t); +static void runes_parser_handle_ri(RunesTerm *t); +static void runes_parser_handle_vb(RunesTerm *t); +static void runes_parser_handle_decsc(RunesTerm *t); +static void runes_parser_handle_decrc(RunesTerm *t); +static void runes_parser_extract_csi_params( + char *buf, size_t len, int *params, int *nparams); +static void runes_parser_extract_sm_params( + char *buf, size_t len, char *modes, int *params, int *nparams); +static void runes_parser_handle_cuu(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_cud(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_cuf(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_cub(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_cup(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_ed(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_el(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_il(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_dch(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_sm(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_rm(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_sgr(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_csr(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_decsed(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_decsel(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_osc0(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_osc1(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_osc2(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_ascii(RunesTerm *t, char *text, size_t len); +static void runes_parser_handle_text(RunesTerm *t, char *text, size_t len); +#line 647 "src/parser.c" + +#define INITIAL 0 + +#ifndef YY_NO_UNISTD_H +/* Special case for "unistd.h", since it is non-ANSI. We include it way + * down here because we want the user's section 1 to have been scanned first. + * The user has a chance to override it with an option. + */ +#include +#endif + +#define YY_EXTRA_TYPE RunesTerm * + +/* Holds the entire state of the reentrant scanner. */ +struct yyguts_t + { + + /* User-defined. Not touched by flex. */ + YY_EXTRA_TYPE yyextra_r; + + /* The rest are the same as the globals declared in the non-reentrant scanner. */ + FILE *yyin_r, *yyout_r; + size_t yy_buffer_stack_top; /**< index of top of stack. */ + size_t yy_buffer_stack_max; /**< capacity of stack. */ + YY_BUFFER_STATE * yy_buffer_stack; /**< Stack as an array. */ + char yy_hold_char; + yy_size_t yy_n_chars; + yy_size_t yyleng_r; + char *yy_c_buf_p; + int yy_init; + int yy_start; + int yy_did_buffer_switch_on_eof; + int yy_start_stack_ptr; + int yy_start_stack_depth; + int *yy_start_stack; + yy_state_type yy_last_accepting_state; + char* yy_last_accepting_cpos; + + int yylineno_r; + int yy_flex_debug_r; + + char *yytext_r; + int yy_more_flag; + int yy_more_len; + + }; /* end struct yyguts_t */ + +static int yy_init_globals (yyscan_t yyscanner ); + +int runes_parser_yylex_init (yyscan_t* scanner); + +int runes_parser_yylex_init_extra (YY_EXTRA_TYPE user_defined,yyscan_t* scanner); + +/* Accessor methods to globals. + These are made visible to non-reentrant scanners for convenience. */ + +int runes_parser_yylex_destroy (yyscan_t yyscanner ); + +int runes_parser_yyget_debug (yyscan_t yyscanner ); + +void runes_parser_yyset_debug (int debug_flag ,yyscan_t yyscanner ); + +YY_EXTRA_TYPE runes_parser_yyget_extra (yyscan_t yyscanner ); + +void runes_parser_yyset_extra (YY_EXTRA_TYPE user_defined ,yyscan_t yyscanner ); + +FILE *runes_parser_yyget_in (yyscan_t yyscanner ); + +void runes_parser_yyset_in (FILE * in_str ,yyscan_t yyscanner ); + +FILE *runes_parser_yyget_out (yyscan_t yyscanner ); + +void runes_parser_yyset_out (FILE * out_str ,yyscan_t yyscanner ); + +yy_size_t runes_parser_yyget_leng (yyscan_t yyscanner ); + +char *runes_parser_yyget_text (yyscan_t yyscanner ); + +int runes_parser_yyget_lineno (yyscan_t yyscanner ); + +void runes_parser_yyset_lineno (int line_number ,yyscan_t yyscanner ); + +int runes_parser_yyget_column (yyscan_t yyscanner ); + +void runes_parser_yyset_column (int column_no ,yyscan_t yyscanner ); + +/* Macros after this point can all be overridden by user definitions in + * section 1. + */ + +#ifndef YY_SKIP_YYWRAP +#ifdef __cplusplus +extern "C" int runes_parser_yywrap (yyscan_t yyscanner ); +#else +extern int runes_parser_yywrap (yyscan_t yyscanner ); +#endif +#endif + +#ifndef yytext_ptr +static void yy_flex_strncpy (char *,yyconst char *,int ,yyscan_t yyscanner); +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * ,yyscan_t yyscanner); +#endif + +#ifndef YY_NO_INPUT + +#ifdef __cplusplus +static int yyinput (yyscan_t yyscanner ); +#else +static int input (yyscan_t yyscanner ); +#endif + +#endif + +/* Amount of stuff to slurp up with each read. */ +#ifndef YY_READ_BUF_SIZE +#define YY_READ_BUF_SIZE 8192 +#endif + +/* Copy whatever the last rule matched to the standard output. */ +#ifndef ECHO +/* This used to be an fputs(), but since the string might contain NUL's, + * we now use fwrite(). + */ +#define ECHO do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0) +#endif + +/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, + * is returned in "result". + */ +#ifndef YY_INPUT +#define YY_INPUT(buf,result,max_size) \ + if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ + { \ + int c = '*'; \ + size_t n; \ + for ( n = 0; n < max_size && \ + (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ + buf[n] = (char) c; \ + if ( c == '\n' ) \ + buf[n++] = (char) c; \ + if ( c == EOF && ferror( yyin ) ) \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + result = n; \ + } \ + else \ + { \ + errno=0; \ + while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \ + { \ + if( errno != EINTR) \ + { \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + break; \ + } \ + errno=0; \ + clearerr(yyin); \ + } \ + }\ +\ + +#endif + +/* No semi-colon after return; correct usage is to write "yyterminate();" - + * we don't want an extra ';' after the "return" because that will cause + * some compilers to complain about unreachable statements. + */ +#ifndef yyterminate +#define yyterminate() return YY_NULL +#endif + +/* Number of entries by which start-condition stack grows. */ +#ifndef YY_START_STACK_INCR +#define YY_START_STACK_INCR 25 +#endif + +/* Report a fatal error. */ +#ifndef YY_FATAL_ERROR +#define YY_FATAL_ERROR(msg) yy_fatal_error( msg , yyscanner) +#endif + +/* end tables serialization structures and prototypes */ + +/* Default declaration of generated scanner - a define so the user can + * easily add parameters. + */ +#ifndef YY_DECL +#define YY_DECL_IS_OURS 1 + +extern int runes_parser_yylex (yyscan_t yyscanner); + +#define YY_DECL int runes_parser_yylex (yyscan_t yyscanner) +#endif /* !YY_DECL */ + +/* Code executed at the beginning of each rule, after yytext and yyleng + * have been set up. + */ +#ifndef YY_USER_ACTION +#define YY_USER_ACTION +#endif + +/* Code executed at the end of each rule. */ +#ifndef YY_BREAK +#define YY_BREAK break; +#endif + +#define YY_RULE_SETUP \ + YY_USER_ACTION + +/** The main scanner function which does all the work. + */ +YY_DECL +{ + register yy_state_type yy_current_state; + register char *yy_cp, *yy_bp; + register int yy_act; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + if ( !yyg->yy_init ) + { + yyg->yy_init = 1; + +#ifdef YY_USER_INIT + YY_USER_INIT; +#endif + + if ( ! yyg->yy_start ) + yyg->yy_start = 1; /* first start state */ + + if ( ! yyin ) + yyin = stdin; + + if ( ! yyout ) + yyout = stdout; + + if ( ! YY_CURRENT_BUFFER ) { + runes_parser_yyensure_buffer_stack (yyscanner); + YY_CURRENT_BUFFER_LVALUE = + runes_parser_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); + } + + runes_parser_yy_load_buffer_state(yyscanner ); + } + + { +#line 110 "src/parser.l" + + +#line 898 "src/parser.c" + + while ( 1 ) /* loops until end-of-file is reached */ + { + yy_cp = yyg->yy_c_buf_p; + + /* Support of yytext. */ + *yy_cp = yyg->yy_hold_char; + + /* yy_bp points to the position in yy_ch_buf of the start of + * the current run. + */ + yy_bp = yy_cp; + + yy_current_state = yyg->yy_start; +yy_match: + do + { + register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)] ; + if ( yy_accept[yy_current_state] ) + { + yyg->yy_last_accepting_state = yy_current_state; + yyg->yy_last_accepting_cpos = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 133 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + ++yy_cp; + } + while ( yy_current_state != 132 ); + yy_cp = yyg->yy_last_accepting_cpos; + yy_current_state = yyg->yy_last_accepting_state; + +yy_find_action: + yy_act = yy_accept[yy_current_state]; + + YY_DO_BEFORE_ACTION; + +do_action: /* This label is used only to access EOF actions. */ + + switch ( yy_act ) + { /* beginning of action switch */ + case 0: /* must back up */ + /* undo the effects of YY_DO_BEFORE_ACTION */ + *yy_cp = yyg->yy_hold_char; + yy_cp = yyg->yy_last_accepting_cpos; + yy_current_state = yyg->yy_last_accepting_state; + goto yy_find_action; + +case 1: +YY_RULE_SETUP +#line 112 "src/parser.l" +runes_parser_handle_bel(yyextra); return -1; + YY_BREAK +case 2: +YY_RULE_SETUP +#line 113 "src/parser.l" +runes_parser_handle_bs(yyextra); return -1; + YY_BREAK +case 3: +YY_RULE_SETUP +#line 114 "src/parser.l" +runes_parser_handle_tab(yyextra); return -1; + YY_BREAK +case 4: +/* rule 4 can match eol */ +#line 116 "src/parser.l" +case 5: +/* rule 5 can match eol */ +#line 117 "src/parser.l" +case 6: +/* rule 6 can match eol */ +YY_RULE_SETUP +#line 117 "src/parser.l" +runes_parser_handle_lf(yyextra); return -1; + YY_BREAK +case 7: +YY_RULE_SETUP +#line 118 "src/parser.l" +runes_parser_handle_cr(yyextra); return -1; + YY_BREAK +case 8: +YY_RULE_SETUP +#line 120 "src/parser.l" +runes_parser_handle_deckpam(yyextra); return -1; + YY_BREAK +case 9: +YY_RULE_SETUP +#line 121 "src/parser.l" +runes_parser_handle_deckpnm(yyextra); return -1; + YY_BREAK +case 10: +YY_RULE_SETUP +#line 122 "src/parser.l" +runes_parser_handle_ri(yyextra); return -1; + YY_BREAK +case 11: +YY_RULE_SETUP +#line 123 "src/parser.l" +runes_parser_handle_vb(yyextra); return -1; + YY_BREAK +case 12: +YY_RULE_SETUP +#line 124 "src/parser.l" +runes_parser_handle_decsc(yyextra); return -1; + YY_BREAK +case 13: +YY_RULE_SETUP +#line 125 "src/parser.l" +runes_parser_handle_decrc(yyextra); return -1; + YY_BREAK +case 14: +YY_RULE_SETUP +#line 127 "src/parser.l" +runes_parser_handle_cuu(yyextra, yytext, yyleng); return -1; + YY_BREAK +case 15: +YY_RULE_SETUP +#line 128 "src/parser.l" +runes_parser_handle_cud(yyextra, yytext, yyleng); return -1; + YY_BREAK +case 16: +YY_RULE_SETUP +#line 129 "src/parser.l" +runes_parser_handle_cuf(yyextra, yytext, yyleng); return -1; + YY_BREAK +case 17: +YY_RULE_SETUP +#line 130 "src/parser.l" +runes_parser_handle_cub(yyextra, yytext, yyleng); return -1; + YY_BREAK +case 18: +YY_RULE_SETUP +#line 131 "src/parser.l" +runes_parser_handle_cup(yyextra, yytext, yyleng); return -1; + YY_BREAK +case 19: +YY_RULE_SETUP +#line 132 "src/parser.l" +runes_parser_handle_ed(yyextra, yytext, yyleng); return -1; + YY_BREAK +case 20: +YY_RULE_SETUP +#line 133 "src/parser.l" +runes_parser_handle_el(yyextra, yytext, yyleng); return -1; + YY_BREAK +case 21: +YY_RULE_SETUP +#line 134 "src/parser.l" +runes_parser_handle_il(yyextra, yytext, yyleng); return -1; + YY_BREAK +case 22: +YY_RULE_SETUP +#line 135 "src/parser.l" +runes_parser_handle_dch(yyextra, yytext, yyleng); return -1; + YY_BREAK +case 23: +YY_RULE_SETUP +#line 136 "src/parser.l" +runes_parser_handle_sm(yyextra, yytext, yyleng); return -1; + YY_BREAK +case 24: +YY_RULE_SETUP +#line 137 "src/parser.l" +runes_parser_handle_rm(yyextra, yytext, yyleng); return -1; + YY_BREAK +case 25: +YY_RULE_SETUP +#line 138 "src/parser.l" +runes_parser_handle_sgr(yyextra, yytext, yyleng); return -1; + YY_BREAK +case 26: +YY_RULE_SETUP +#line 139 "src/parser.l" +runes_parser_handle_csr(yyextra, yytext, yyleng); return -1; + YY_BREAK +case 27: +YY_RULE_SETUP +#line 141 "src/parser.l" +runes_parser_handle_decsed(yyextra, yytext, yyleng); return -1; + YY_BREAK +case 28: +YY_RULE_SETUP +#line 142 "src/parser.l" +runes_parser_handle_decsel(yyextra, yytext, yyleng); return -1; + YY_BREAK +case 29: +YY_RULE_SETUP +#line 144 "src/parser.l" +runes_parser_handle_osc0(yyextra, yytext, yyleng); return -1; + YY_BREAK +case 30: +YY_RULE_SETUP +#line 145 "src/parser.l" +runes_parser_handle_osc1(yyextra, yytext, yyleng); return -1; + YY_BREAK +case 31: +YY_RULE_SETUP +#line 146 "src/parser.l" +runes_parser_handle_osc2(yyextra, yytext, yyleng); return -1; + YY_BREAK +case 32: +YY_RULE_SETUP +#line 148 "src/parser.l" +runes_parser_handle_ascii(yyextra, yytext, yyleng); return -1; + YY_BREAK +case 33: +YY_RULE_SETUP +#line 149 "src/parser.l" +runes_parser_handle_text(yyextra, yytext, yyleng); return -1; + YY_BREAK +case 34: +#line 152 "src/parser.l" +case 35: +#line 153 "src/parser.l" +case 36: +#line 154 "src/parser.l" +case 37: +#line 155 "src/parser.l" +case 38: +#line 156 "src/parser.l" +case 39: +#line 157 "src/parser.l" +case 40: +YY_RULE_SETUP +#line 157 "src/parser.l" +return yyleng; + YY_BREAK +case YY_STATE_EOF(INITIAL): +#line 159 "src/parser.l" +return 0; + YY_BREAK +case 41: +/* rule 41 can match eol */ +YY_RULE_SETUP +#line 161 "src/parser.l" +{ + fprintf( + stderr, "unhandled CSI sequence: \\033%*s\\%hho\n", + (int)yyleng - 2, yytext + 1, yytext[yyleng - 1]); + return -1; +} + YY_BREAK +case 42: +YY_RULE_SETUP +#line 168 "src/parser.l" +{ + fprintf( + stderr, "unhandled CSI sequence: \\033%*s\n", + (int)yyleng - 1, yytext + 1); + return -1; +} + YY_BREAK +case 43: +/* rule 43 can match eol */ +YY_RULE_SETUP +#line 175 "src/parser.l" +{ + fprintf( + stderr, "unhandled OSC sequence: \\033%*s\\%hho\n", + (int)yyleng - 2, yytext + 1, yytext[yyleng - 1]); + return -1; +} + YY_BREAK +case 44: +YY_RULE_SETUP +#line 182 "src/parser.l" +{ + fprintf( + stderr, "unhandled OSC sequence: \\033%*s\n", + (int)yyleng - 1, yytext + 1); + return -1; +} + YY_BREAK +case 45: +/* rule 45 can match eol */ +YY_RULE_SETUP +#line 189 "src/parser.l" +{ + fprintf(stderr, "unhandled escape sequence: \\%hho\n", yytext[1]); + return -1; +} + YY_BREAK +case 46: +YY_RULE_SETUP +#line 194 "src/parser.l" +{ + fprintf( + stderr, "unhandled escape sequence: %*s\n", + (int)yyleng - 1, yytext + 1); + return -1; +} + YY_BREAK +case 47: +/* rule 47 can match eol */ +YY_RULE_SETUP +#line 201 "src/parser.l" +{ + fprintf(stderr, "unhandled control character: \\%hho\n", yytext[0]); + return -1; +} + YY_BREAK +case 48: +YY_RULE_SETUP +#line 206 "src/parser.l" +{ + fprintf(stderr, "invalid utf8 byte: \\%hho\n", yytext[0]); + return -1; +} + YY_BREAK +case 49: +YY_RULE_SETUP +#line 211 "src/parser.l" +YY_FATAL_ERROR( "flex scanner jammed" ); + YY_BREAK +#line 1217 "src/parser.c" + + case YY_END_OF_BUFFER: + { + /* Amount of text matched not including the EOB char. */ + int yy_amount_of_matched_text = (int) (yy_cp - yyg->yytext_ptr) - 1; + + /* Undo the effects of YY_DO_BEFORE_ACTION. */ + *yy_cp = yyg->yy_hold_char; + YY_RESTORE_YY_MORE_OFFSET + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) + { + /* We're scanning a new file or input source. It's + * possible that this happened because the user + * just pointed yyin at a new source and called + * runes_parser_yylex(). If so, then we have to assure + * consistency between YY_CURRENT_BUFFER and our + * globals. Here is the right place to do so, because + * this is the first action (other than possibly a + * back-up) that will match for the new input source. + */ + yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; + } + + /* Note that here we test for yy_c_buf_p "<=" to the position + * of the first EOB in the buffer, since yy_c_buf_p will + * already have been incremented past the NUL character + * (since all states make transitions on EOB to the + * end-of-buffer state). Contrast this with the test + * in input(). + */ + if ( yyg->yy_c_buf_p <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] ) + { /* This was really a NUL. */ + yy_state_type yy_next_state; + + yyg->yy_c_buf_p = yyg->yytext_ptr + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( yyscanner ); + + /* Okay, we're now positioned to make the NUL + * transition. We couldn't have + * yy_get_previous_state() go ahead and do it + * for us because it doesn't know how to deal + * with the possibility of jamming (and we don't + * want to build jamming into it because then it + * will run more slowly). + */ + + yy_next_state = yy_try_NUL_trans( yy_current_state , yyscanner); + + yy_bp = yyg->yytext_ptr + YY_MORE_ADJ; + + if ( yy_next_state ) + { + /* Consume the NUL. */ + yy_cp = ++yyg->yy_c_buf_p; + yy_current_state = yy_next_state; + goto yy_match; + } + + else + { + yy_cp = yyg->yy_last_accepting_cpos; + yy_current_state = yyg->yy_last_accepting_state; + goto yy_find_action; + } + } + + else switch ( yy_get_next_buffer( yyscanner ) ) + { + case EOB_ACT_END_OF_FILE: + { + yyg->yy_did_buffer_switch_on_eof = 0; + + if ( runes_parser_yywrap(yyscanner ) ) + { + /* Note: because we've taken care in + * yy_get_next_buffer() to have set up + * yytext, we can now set up + * yy_c_buf_p so that if some total + * hoser (like flex itself) wants to + * call the scanner after we return the + * YY_NULL, it'll still work - another + * YY_NULL will get returned. + */ + yyg->yy_c_buf_p = yyg->yytext_ptr + YY_MORE_ADJ; + + yy_act = YY_STATE_EOF(YY_START); + goto do_action; + } + + else + { + if ( ! yyg->yy_did_buffer_switch_on_eof ) + YY_NEW_FILE; + } + break; + } + + case EOB_ACT_CONTINUE_SCAN: + yyg->yy_c_buf_p = + yyg->yytext_ptr + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( yyscanner ); + + yy_cp = yyg->yy_c_buf_p; + yy_bp = yyg->yytext_ptr + YY_MORE_ADJ; + goto yy_match; + + case EOB_ACT_LAST_MATCH: + yyg->yy_c_buf_p = + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars]; + + yy_current_state = yy_get_previous_state( yyscanner ); + + yy_cp = yyg->yy_c_buf_p; + yy_bp = yyg->yytext_ptr + YY_MORE_ADJ; + goto yy_find_action; + } + break; + } + + default: + YY_FATAL_ERROR( + "fatal flex scanner internal error--no action found" ); + } /* end of action switch */ + } /* end of scanning one token */ + } /* end of user's declarations */ +} /* end of runes_parser_yylex */ + +/* yy_get_next_buffer - try to read in a new buffer + * + * Returns a code representing an action: + * EOB_ACT_LAST_MATCH - + * EOB_ACT_CONTINUE_SCAN - continue scanning from current position + * EOB_ACT_END_OF_FILE - end of file + */ +static int yy_get_next_buffer (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; + register char *source = yyg->yytext_ptr; + register int number_to_move, i; + int ret_val; + + if ( yyg->yy_c_buf_p > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] ) + YY_FATAL_ERROR( + "fatal flex scanner internal error--end of buffer missed" ); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) + { /* Don't try to fill the buffer, so this is an EOF. */ + if ( yyg->yy_c_buf_p - yyg->yytext_ptr - YY_MORE_ADJ == 1 ) + { + /* We matched a single character, the EOB, so + * treat this as a final EOF. + */ + return EOB_ACT_END_OF_FILE; + } + + else + { + /* We matched some text prior to the EOB, first + * process it. + */ + return EOB_ACT_LAST_MATCH; + } + } + + /* Try to read more data. */ + + /* First move last chars to start of buffer. */ + number_to_move = (int) (yyg->yy_c_buf_p - yyg->yytext_ptr) - 1; + + for ( i = 0; i < number_to_move; ++i ) + *(dest++) = *(source++); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) + /* don't do the read, it's not guaranteed to return an EOF, + * just force an EOF + */ + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars = 0; + + else + { + yy_size_t num_to_read = + YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; + + while ( num_to_read <= 0 ) + { /* Not enough room in the buffer - grow it. */ + + /* just a shorter name for the current buffer */ + YY_BUFFER_STATE b = YY_CURRENT_BUFFER_LVALUE; + + int yy_c_buf_p_offset = + (int) (yyg->yy_c_buf_p - b->yy_ch_buf); + + if ( b->yy_is_our_buffer ) + { + yy_size_t new_size = b->yy_buf_size * 2; + + if ( new_size <= 0 ) + b->yy_buf_size += b->yy_buf_size / 8; + else + b->yy_buf_size *= 2; + + b->yy_ch_buf = (char *) + /* Include room in for 2 EOB chars. */ + runes_parser_yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ,yyscanner ); + } + else + /* Can't grow it, we don't own it. */ + b->yy_ch_buf = 0; + + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( + "fatal error - scanner input buffer overflow" ); + + yyg->yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset]; + + num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - + number_to_move - 1; + + } + + if ( num_to_read > YY_READ_BUF_SIZE ) + num_to_read = YY_READ_BUF_SIZE; + + /* Read in more data. */ + YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), + yyg->yy_n_chars, num_to_read ); + + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars; + } + + if ( yyg->yy_n_chars == 0 ) + { + if ( number_to_move == YY_MORE_ADJ ) + { + ret_val = EOB_ACT_END_OF_FILE; + runes_parser_yyrestart(yyin ,yyscanner); + } + + else + { + ret_val = EOB_ACT_LAST_MATCH; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = + YY_BUFFER_EOF_PENDING; + } + } + + else + ret_val = EOB_ACT_CONTINUE_SCAN; + + if ((yy_size_t) (yyg->yy_n_chars + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { + /* Extend the array by 50%, plus the number we really need. */ + yy_size_t new_size = yyg->yy_n_chars + number_to_move + (yyg->yy_n_chars >> 1); + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) runes_parser_yyrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ,yyscanner ); + if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); + } + + yyg->yy_n_chars += number_to_move; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] = YY_END_OF_BUFFER_CHAR; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR; + + yyg->yytext_ptr = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; + + return ret_val; +} + +/* yy_get_previous_state - get the state just before the EOB char was reached */ + + static yy_state_type yy_get_previous_state (yyscan_t yyscanner) +{ + register yy_state_type yy_current_state; + register char *yy_cp; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + yy_current_state = yyg->yy_start; + + for ( yy_cp = yyg->yytext_ptr + YY_MORE_ADJ; yy_cp < yyg->yy_c_buf_p; ++yy_cp ) + { + register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); + if ( yy_accept[yy_current_state] ) + { + yyg->yy_last_accepting_state = yy_current_state; + yyg->yy_last_accepting_cpos = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 133 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + } + + return yy_current_state; +} + +/* yy_try_NUL_trans - try to make a transition on the NUL character + * + * synopsis + * next_state = yy_try_NUL_trans( current_state ); + */ + static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state , yyscan_t yyscanner) +{ + register int yy_is_jam; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; /* This var may be unused depending upon options. */ + register char *yy_cp = yyg->yy_c_buf_p; + + register YY_CHAR yy_c = 1; + if ( yy_accept[yy_current_state] ) + { + yyg->yy_last_accepting_state = yy_current_state; + yyg->yy_last_accepting_cpos = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 133 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + yy_is_jam = (yy_current_state == 132); + + (void)yyg; + return yy_is_jam ? 0 : yy_current_state; +} + +#ifndef YY_NO_INPUT +#ifdef __cplusplus + static int yyinput (yyscan_t yyscanner) +#else + static int input (yyscan_t yyscanner) +#endif + +{ + int c; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + *yyg->yy_c_buf_p = yyg->yy_hold_char; + + if ( *yyg->yy_c_buf_p == YY_END_OF_BUFFER_CHAR ) + { + /* yy_c_buf_p now points to the character we want to return. + * If this occurs *before* the EOB characters, then it's a + * valid NUL; if not, then we've hit the end of the buffer. + */ + if ( yyg->yy_c_buf_p < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] ) + /* This was really a NUL. */ + *yyg->yy_c_buf_p = '\0'; + + else + { /* need more input */ + yy_size_t offset = yyg->yy_c_buf_p - yyg->yytext_ptr; + ++yyg->yy_c_buf_p; + + switch ( yy_get_next_buffer( yyscanner ) ) + { + case EOB_ACT_LAST_MATCH: + /* This happens because yy_g_n_b() + * sees that we've accumulated a + * token and flags that we need to + * try matching the token before + * proceeding. But for input(), + * there's no matching to consider. + * So convert the EOB_ACT_LAST_MATCH + * to EOB_ACT_END_OF_FILE. + */ + + /* Reset buffer status. */ + runes_parser_yyrestart(yyin ,yyscanner); + + /*FALLTHROUGH*/ + + case EOB_ACT_END_OF_FILE: + { + if ( runes_parser_yywrap(yyscanner ) ) + return EOF; + + if ( ! yyg->yy_did_buffer_switch_on_eof ) + YY_NEW_FILE; +#ifdef __cplusplus + return yyinput(yyscanner); +#else + return input(yyscanner); +#endif + } + + case EOB_ACT_CONTINUE_SCAN: + yyg->yy_c_buf_p = yyg->yytext_ptr + offset; + break; + } + } + } + + c = *(unsigned char *) yyg->yy_c_buf_p; /* cast for 8-bit char's */ + *yyg->yy_c_buf_p = '\0'; /* preserve yytext */ + yyg->yy_hold_char = *++yyg->yy_c_buf_p; + + return c; +} +#endif /* ifndef YY_NO_INPUT */ + +/** Immediately switch to a different input stream. + * @param input_file A readable stream. + * @param yyscanner The scanner object. + * @note This function does not reset the start condition to @c INITIAL . + */ + void runes_parser_yyrestart (FILE * input_file , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + if ( ! YY_CURRENT_BUFFER ){ + runes_parser_yyensure_buffer_stack (yyscanner); + YY_CURRENT_BUFFER_LVALUE = + runes_parser_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); + } + + runes_parser_yy_init_buffer(YY_CURRENT_BUFFER,input_file ,yyscanner); + runes_parser_yy_load_buffer_state(yyscanner ); +} + +/** Switch to a different input buffer. + * @param new_buffer The new input buffer. + * @param yyscanner The scanner object. + */ + void runes_parser_yy_switch_to_buffer (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + /* TODO. We should be able to replace this entire function body + * with + * runes_parser_yypop_buffer_state(); + * runes_parser_yypush_buffer_state(new_buffer); + */ + runes_parser_yyensure_buffer_stack (yyscanner); + if ( YY_CURRENT_BUFFER == new_buffer ) + return; + + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *yyg->yy_c_buf_p = yyg->yy_hold_char; + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p; + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars; + } + + YY_CURRENT_BUFFER_LVALUE = new_buffer; + runes_parser_yy_load_buffer_state(yyscanner ); + + /* We don't actually know whether we did this switch during + * EOF (runes_parser_yywrap()) processing, but the only time this flag + * is looked at is after runes_parser_yywrap() is called, so it's safe + * to go ahead and always set it. + */ + yyg->yy_did_buffer_switch_on_eof = 1; +} + +static void runes_parser_yy_load_buffer_state (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + yyg->yytext_ptr = yyg->yy_c_buf_p = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; + yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; + yyg->yy_hold_char = *yyg->yy_c_buf_p; +} + +/** Allocate and initialize an input buffer state. + * @param file A readable stream. + * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. + * @param yyscanner The scanner object. + * @return the allocated buffer state. + */ + YY_BUFFER_STATE runes_parser_yy_create_buffer (FILE * file, int size , yyscan_t yyscanner) +{ + YY_BUFFER_STATE b; + + b = (YY_BUFFER_STATE) runes_parser_yyalloc(sizeof( struct yy_buffer_state ) ,yyscanner ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in runes_parser_yy_create_buffer()" ); + + b->yy_buf_size = size; + + /* yy_ch_buf has to be 2 characters longer than the size given because + * we need to put in 2 end-of-buffer characters. + */ + b->yy_ch_buf = (char *) runes_parser_yyalloc(b->yy_buf_size + 2 ,yyscanner ); + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in runes_parser_yy_create_buffer()" ); + + b->yy_is_our_buffer = 1; + + runes_parser_yy_init_buffer(b,file ,yyscanner); + + return b; +} + +/** Destroy the buffer. + * @param b a buffer created with runes_parser_yy_create_buffer() + * @param yyscanner The scanner object. + */ + void runes_parser_yy_delete_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + if ( ! b ) + return; + + if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ + YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; + + if ( b->yy_is_our_buffer ) + runes_parser_yyfree((void *) b->yy_ch_buf ,yyscanner ); + + runes_parser_yyfree((void *) b ,yyscanner ); +} + +/* Initializes or reinitializes a buffer. + * This function is sometimes called more than once on the same buffer, + * such as during a runes_parser_yyrestart() or at EOF. + */ + static void runes_parser_yy_init_buffer (YY_BUFFER_STATE b, FILE * file , yyscan_t yyscanner) + +{ + int oerrno = errno; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + runes_parser_yy_flush_buffer(b ,yyscanner); + + b->yy_input_file = file; + b->yy_fill_buffer = 1; + + /* If b is the current buffer, then runes_parser_yy_init_buffer was _probably_ + * called from runes_parser_yyrestart() or through yy_get_next_buffer. + * In that case, we don't want to reset the lineno or column. + */ + if (b != YY_CURRENT_BUFFER){ + b->yy_bs_lineno = 1; + b->yy_bs_column = 0; + } + + b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0; + + errno = oerrno; +} + +/** Discard all buffered characters. On the next scan, YY_INPUT will be called. + * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. + * @param yyscanner The scanner object. + */ + void runes_parser_yy_flush_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + if ( ! b ) + return; + + b->yy_n_chars = 0; + + /* We always need two end-of-buffer characters. The first causes + * a transition to the end-of-buffer state. The second causes + * a jam in that state. + */ + b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; + b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; + + b->yy_buf_pos = &b->yy_ch_buf[0]; + + b->yy_at_bol = 1; + b->yy_buffer_status = YY_BUFFER_NEW; + + if ( b == YY_CURRENT_BUFFER ) + runes_parser_yy_load_buffer_state(yyscanner ); +} + +/** Pushes the new state onto the stack. The new state becomes + * the current state. This function will allocate the stack + * if necessary. + * @param new_buffer The new state. + * @param yyscanner The scanner object. + */ +void runes_parser_yypush_buffer_state (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + if (new_buffer == NULL) + return; + + runes_parser_yyensure_buffer_stack(yyscanner); + + /* This block is copied from runes_parser_yy_switch_to_buffer. */ + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *yyg->yy_c_buf_p = yyg->yy_hold_char; + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p; + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars; + } + + /* Only push if top exists. Otherwise, replace top. */ + if (YY_CURRENT_BUFFER) + yyg->yy_buffer_stack_top++; + YY_CURRENT_BUFFER_LVALUE = new_buffer; + + /* copied from runes_parser_yy_switch_to_buffer. */ + runes_parser_yy_load_buffer_state(yyscanner ); + yyg->yy_did_buffer_switch_on_eof = 1; +} + +/** Removes and deletes the top of the stack, if present. + * The next element becomes the new top. + * @param yyscanner The scanner object. + */ +void runes_parser_yypop_buffer_state (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + if (!YY_CURRENT_BUFFER) + return; + + runes_parser_yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner); + YY_CURRENT_BUFFER_LVALUE = NULL; + if (yyg->yy_buffer_stack_top > 0) + --yyg->yy_buffer_stack_top; + + if (YY_CURRENT_BUFFER) { + runes_parser_yy_load_buffer_state(yyscanner ); + yyg->yy_did_buffer_switch_on_eof = 1; + } +} + +/* Allocates the stack if it does not exist. + * Guarantees space for at least one push. + */ +static void runes_parser_yyensure_buffer_stack (yyscan_t yyscanner) +{ + yy_size_t num_to_alloc; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + if (!yyg->yy_buffer_stack) { + + /* First allocation is just for 2 elements, since we don't know if this + * scanner will even need a stack. We use 2 instead of 1 to avoid an + * immediate realloc on the next call. + */ + num_to_alloc = 1; + yyg->yy_buffer_stack = (struct yy_buffer_state**)runes_parser_yyalloc + (num_to_alloc * sizeof(struct yy_buffer_state*) + , yyscanner); + if ( ! yyg->yy_buffer_stack ) + YY_FATAL_ERROR( "out of dynamic memory in runes_parser_yyensure_buffer_stack()" ); + + memset(yyg->yy_buffer_stack, 0, num_to_alloc * sizeof(struct yy_buffer_state*)); + + yyg->yy_buffer_stack_max = num_to_alloc; + yyg->yy_buffer_stack_top = 0; + return; + } + + if (yyg->yy_buffer_stack_top >= (yyg->yy_buffer_stack_max) - 1){ + + /* Increase the buffer to prepare for a possible push. */ + int grow_size = 8 /* arbitrary grow size */; + + num_to_alloc = yyg->yy_buffer_stack_max + grow_size; + yyg->yy_buffer_stack = (struct yy_buffer_state**)runes_parser_yyrealloc + (yyg->yy_buffer_stack, + num_to_alloc * sizeof(struct yy_buffer_state*) + , yyscanner); + if ( ! yyg->yy_buffer_stack ) + YY_FATAL_ERROR( "out of dynamic memory in runes_parser_yyensure_buffer_stack()" ); + + /* zero only the new slots.*/ + memset(yyg->yy_buffer_stack + yyg->yy_buffer_stack_max, 0, grow_size * sizeof(struct yy_buffer_state*)); + yyg->yy_buffer_stack_max = num_to_alloc; + } +} + +/** Setup the input buffer state to scan directly from a user-specified character buffer. + * @param base the character buffer + * @param size the size in bytes of the character buffer + * @param yyscanner The scanner object. + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE runes_parser_yy_scan_buffer (char * base, yy_size_t size , yyscan_t yyscanner) +{ + YY_BUFFER_STATE b; + + if ( size < 2 || + base[size-2] != YY_END_OF_BUFFER_CHAR || + base[size-1] != YY_END_OF_BUFFER_CHAR ) + /* They forgot to leave room for the EOB's. */ + return 0; + + b = (YY_BUFFER_STATE) runes_parser_yyalloc(sizeof( struct yy_buffer_state ) ,yyscanner ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in runes_parser_yy_scan_buffer()" ); + + b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ + b->yy_buf_pos = b->yy_ch_buf = base; + b->yy_is_our_buffer = 0; + b->yy_input_file = 0; + b->yy_n_chars = b->yy_buf_size; + b->yy_is_interactive = 0; + b->yy_at_bol = 1; + b->yy_fill_buffer = 0; + b->yy_buffer_status = YY_BUFFER_NEW; + + runes_parser_yy_switch_to_buffer(b ,yyscanner ); + + return b; +} + +/** Setup the input buffer state to scan a string. The next call to runes_parser_yylex() will + * scan from a @e copy of @a str. + * @param yystr a NUL-terminated string to scan + * @param yyscanner The scanner object. + * @return the newly allocated buffer state object. + * @note If you want to scan bytes that may contain NUL values, then use + * runes_parser_yy_scan_bytes() instead. + */ +YY_BUFFER_STATE runes_parser_yy_scan_string (yyconst char * yystr , yyscan_t yyscanner) +{ + + return runes_parser_yy_scan_bytes(yystr,strlen(yystr) ,yyscanner); +} + +/** Setup the input buffer state to scan the given bytes. The next call to runes_parser_yylex() will + * scan from a @e copy of @a bytes. + * @param yybytes the byte buffer to scan + * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes. + * @param yyscanner The scanner object. + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE runes_parser_yy_scan_bytes (yyconst char * yybytes, yy_size_t _yybytes_len , yyscan_t yyscanner) +{ + YY_BUFFER_STATE b; + char *buf; + yy_size_t n; + yy_size_t i; + + /* Get memory for full buffer, including space for trailing EOB's. */ + n = _yybytes_len + 2; + buf = (char *) runes_parser_yyalloc(n ,yyscanner ); + if ( ! buf ) + YY_FATAL_ERROR( "out of dynamic memory in runes_parser_yy_scan_bytes()" ); + + for ( i = 0; i < _yybytes_len; ++i ) + buf[i] = yybytes[i]; + + buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; + + b = runes_parser_yy_scan_buffer(buf,n ,yyscanner); + if ( ! b ) + YY_FATAL_ERROR( "bad buffer in runes_parser_yy_scan_bytes()" ); + + /* It's okay to grow etc. this buffer, and we should throw it + * away when we're done. + */ + b->yy_is_our_buffer = 1; + + return b; +} + +#ifndef YY_EXIT_FAILURE +#define YY_EXIT_FAILURE 2 +#endif + +static void yy_fatal_error (yyconst char* msg , yyscan_t yyscanner) +{ + (void) fprintf( stderr, "%s\n", msg ); + exit( YY_EXIT_FAILURE ); +} + +/* Redefine yyless() so it works in section 3 code. */ + +#undef yyless +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + yytext[yyleng] = yyg->yy_hold_char; \ + yyg->yy_c_buf_p = yytext + yyless_macro_arg; \ + yyg->yy_hold_char = *yyg->yy_c_buf_p; \ + *yyg->yy_c_buf_p = '\0'; \ + yyleng = yyless_macro_arg; \ + } \ + while ( 0 ) + +/* Accessor methods (get/set functions) to struct members. */ + +/** Get the user-defined data for this scanner. + * @param yyscanner The scanner object. + */ +YY_EXTRA_TYPE runes_parser_yyget_extra (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yyextra; +} + +/** Get the current line number. + * @param yyscanner The scanner object. + */ +int runes_parser_yyget_lineno (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + if (! YY_CURRENT_BUFFER) + return 0; + + return yylineno; +} + +/** Get the current column number. + * @param yyscanner The scanner object. + */ +int runes_parser_yyget_column (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + if (! YY_CURRENT_BUFFER) + return 0; + + return yycolumn; +} + +/** Get the input stream. + * @param yyscanner The scanner object. + */ +FILE *runes_parser_yyget_in (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yyin; +} + +/** Get the output stream. + * @param yyscanner The scanner object. + */ +FILE *runes_parser_yyget_out (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yyout; +} + +/** Get the length of the current token. + * @param yyscanner The scanner object. + */ +yy_size_t runes_parser_yyget_leng (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yyleng; +} + +/** Get the current token. + * @param yyscanner The scanner object. + */ + +char *runes_parser_yyget_text (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yytext; +} + +/** Set the user-defined data. This data is never touched by the scanner. + * @param user_defined The data to be associated with this scanner. + * @param yyscanner The scanner object. + */ +void runes_parser_yyset_extra (YY_EXTRA_TYPE user_defined , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yyextra = user_defined ; +} + +/** Set the current line number. + * @param line_number + * @param yyscanner The scanner object. + */ +void runes_parser_yyset_lineno (int line_number , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + /* lineno is only valid if an input buffer exists. */ + if (! YY_CURRENT_BUFFER ) + YY_FATAL_ERROR( "runes_parser_yyset_lineno called with no buffer" ); + + yylineno = line_number; +} + +/** Set the current column. + * @param line_number + * @param yyscanner The scanner object. + */ +void runes_parser_yyset_column (int column_no , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + /* column is only valid if an input buffer exists. */ + if (! YY_CURRENT_BUFFER ) + YY_FATAL_ERROR( "runes_parser_yyset_column called with no buffer" ); + + yycolumn = column_no; +} + +/** Set the input stream. This does not discard the current + * input buffer. + * @param in_str A readable stream. + * @param yyscanner The scanner object. + * @see runes_parser_yy_switch_to_buffer + */ +void runes_parser_yyset_in (FILE * in_str , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yyin = in_str ; +} + +void runes_parser_yyset_out (FILE * out_str , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yyout = out_str ; +} + +int runes_parser_yyget_debug (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yy_flex_debug; +} + +void runes_parser_yyset_debug (int bdebug , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yy_flex_debug = bdebug ; +} + +/* Accessor methods for yylval and yylloc */ + +/* User-visible API */ + +/* runes_parser_yylex_init is special because it creates the scanner itself, so it is + * the ONLY reentrant function that doesn't take the scanner as the last argument. + * That's why we explicitly handle the declaration, instead of using our macros. + */ + +int runes_parser_yylex_init(yyscan_t* ptr_yy_globals) + +{ + if (ptr_yy_globals == NULL){ + errno = EINVAL; + return 1; + } + + *ptr_yy_globals = (yyscan_t) runes_parser_yyalloc ( sizeof( struct yyguts_t ), NULL ); + + if (*ptr_yy_globals == NULL){ + errno = ENOMEM; + return 1; + } + + /* By setting to 0xAA, we expose bugs in yy_init_globals. Leave at 0x00 for releases. */ + memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t)); + + return yy_init_globals ( *ptr_yy_globals ); +} + +/* runes_parser_yylex_init_extra has the same functionality as runes_parser_yylex_init, but follows the + * convention of taking the scanner as the last argument. Note however, that + * this is a *pointer* to a scanner, as it will be allocated by this call (and + * is the reason, too, why this function also must handle its own declaration). + * The user defined value in the first argument will be available to runes_parser_yyalloc in + * the yyextra field. + */ + +int runes_parser_yylex_init_extra(YY_EXTRA_TYPE yy_user_defined,yyscan_t* ptr_yy_globals ) + +{ + struct yyguts_t dummy_yyguts; + + runes_parser_yyset_extra (yy_user_defined, &dummy_yyguts); + + if (ptr_yy_globals == NULL){ + errno = EINVAL; + return 1; + } + + *ptr_yy_globals = (yyscan_t) runes_parser_yyalloc ( sizeof( struct yyguts_t ), &dummy_yyguts ); + + if (*ptr_yy_globals == NULL){ + errno = ENOMEM; + return 1; + } + + /* By setting to 0xAA, we expose bugs in + yy_init_globals. Leave at 0x00 for releases. */ + memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t)); + + runes_parser_yyset_extra (yy_user_defined, *ptr_yy_globals); + + return yy_init_globals ( *ptr_yy_globals ); +} + +static int yy_init_globals (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + /* Initialization is the same as for the non-reentrant scanner. + * This function is called from runes_parser_yylex_destroy(), so don't allocate here. + */ + + yyg->yy_buffer_stack = 0; + yyg->yy_buffer_stack_top = 0; + yyg->yy_buffer_stack_max = 0; + yyg->yy_c_buf_p = (char *) 0; + yyg->yy_init = 0; + yyg->yy_start = 0; + + yyg->yy_start_stack_ptr = 0; + yyg->yy_start_stack_depth = 0; + yyg->yy_start_stack = NULL; + +/* Defined in main.c */ +#ifdef YY_STDINIT + yyin = stdin; + yyout = stdout; +#else + yyin = (FILE *) 0; + yyout = (FILE *) 0; +#endif + + /* For future reference: Set errno on error, since we are called by + * runes_parser_yylex_init() + */ + return 0; +} + +/* runes_parser_yylex_destroy is for both reentrant and non-reentrant scanners. */ +int runes_parser_yylex_destroy (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + /* Pop the buffer stack, destroying each element. */ + while(YY_CURRENT_BUFFER){ + runes_parser_yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner ); + YY_CURRENT_BUFFER_LVALUE = NULL; + runes_parser_yypop_buffer_state(yyscanner); + } + + /* Destroy the stack itself. */ + runes_parser_yyfree(yyg->yy_buffer_stack ,yyscanner); + yyg->yy_buffer_stack = NULL; + + /* Destroy the start condition stack. */ + runes_parser_yyfree(yyg->yy_start_stack ,yyscanner ); + yyg->yy_start_stack = NULL; + + /* Reset the globals. This is important in a non-reentrant scanner so the next time + * runes_parser_yylex() is called, initialization will occur. */ + yy_init_globals( yyscanner); + + /* Destroy the main struct (reentrant only). */ + runes_parser_yyfree ( yyscanner , yyscanner ); + yyscanner = NULL; + return 0; +} + +/* + * Internal utility routines. + */ + +#ifndef yytext_ptr +static void yy_flex_strncpy (char* s1, yyconst char * s2, int n , yyscan_t yyscanner) +{ + register int i; + for ( i = 0; i < n; ++i ) + s1[i] = s2[i]; +} +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * s , yyscan_t yyscanner) +{ + register int n; + for ( n = 0; s[n]; ++n ) + ; + + return n; +} +#endif + +#define YYTABLES_NAME "yytables" + +#line 211 "src/parser.l" + + + +void runes_parser_process_string(RunesTerm *t, char *buf, size_t len) +{ + YY_BUFFER_STATE state; + yyscan_t scanner; + int remaining; + + /* XXX this will break if buf ends with a partial escape sequence or utf8 + * character. we need to detect that and not consume the entire input in + * that case */ + runes_parser_yylex_init_extra(t,&scanner); + state = runes_parser_yy_scan_bytes(buf, len, scanner); + while ((remaining = runes_parser_yylex(scanner)) == -1); + t->remaininglen = remaining; + if (t->remaininglen) { + memmove(t->readbuf, &buf[len - t->remaininglen], t->remaininglen); + } + runes_parser_yy_delete_buffer(state, scanner); + runes_parser_yylex_destroy(scanner); +} + +static void runes_parser_handle_bel(RunesTerm *t) +{ + if (t->audible_bell) { + runes_window_backend_request_audible_bell(t); + } + else { + runes_window_backend_request_visual_bell(t); + } +} + +static void runes_parser_handle_bs(RunesTerm *t) +{ + runes_display_move_to(t, t->row, t->col - 1); +} + +static void runes_parser_handle_tab(RunesTerm *t) +{ + runes_display_move_to(t, t->row, t->col - (t->col % 8) + 8); +} + +static void runes_parser_handle_lf(RunesTerm *t) +{ + runes_display_move_to(t, t->row + 1, t->col); +} + +static void runes_parser_handle_cr(RunesTerm *t) +{ + runes_display_move_to(t, t->row, 0); +} + +static void runes_parser_handle_deckpam(RunesTerm *t) +{ + t->application_keypad = 1; +} + +static void runes_parser_handle_deckpnm(RunesTerm *t) +{ + t->application_keypad = 0; +} + +static void runes_parser_handle_ri(RunesTerm *t) +{ + runes_display_move_to(t, t->row - 1, t->col); +} + +static void runes_parser_handle_vb(RunesTerm *t) +{ + runes_window_backend_request_visual_bell(t); +} + +static void runes_parser_handle_decsc(RunesTerm *t) +{ + runes_display_save_cursor(t); +} + +static void runes_parser_handle_decrc(RunesTerm *t) +{ + runes_display_restore_cursor(t); +} + +static void runes_parser_extract_csi_params( + char *buf, size_t len, int *params, int *nparams) +{ + runes_parser_extract_sm_params(buf, len, NULL, params, nparams); +} + +static void runes_parser_extract_sm_params( + char *buf, size_t len, char *modes, int *params, int *nparams) +{ + char *pos = buf; + + /* this assumes that it will only ever be called on a fully matched CSI + * sequence: accessing one character beyond the end is safe because CSI + * sequences always have one character after the parameters (to determine + * the type of sequence), and the parameters can only ever be digits, + * separated by semicolons. */ + buf[len] = '\0'; + *nparams = 0; + while ((size_t)(pos - buf) < len) { + if (*nparams >= RUNES_PARSER_CSI_MAX_PARAMS) { + fprintf(stderr, "max CSI parameter length exceeded\n"); + break; + } + + if (modes && (size_t)(pos - buf) < len) { + if (strstr(pos, "0123456789")) { + modes[*nparams] = '\0'; + } + else { + modes[*nparams] = *pos++; + } + } + + params[(*nparams)++] = atoi(pos); + + pos = strchr(pos, ';'); + if (pos) { + pos++; + } + else { + break; + } + } +} + +static void runes_parser_handle_cuu(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 1 }, nparams; + + runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); + runes_display_move_to(t, t->row - params[0], t->col); +} + +static void runes_parser_handle_cud(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 1 }, nparams; + + runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); + runes_display_move_to(t, t->row + params[0], t->col); +} + +static void runes_parser_handle_cuf(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 1 }, nparams; + + runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); + runes_display_move_to(t, t->row, t->col + params[0]); +} + +static void runes_parser_handle_cub(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 1 }, nparams; + + runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); + runes_display_move_to(t, t->row, t->col - params[0]); +} + +static void runes_parser_handle_cup(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 0, 0 }, nparams; + + runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); + if (params[0] == 0) { + params[0] = 1; + } + if (params[1] == 0) { + params[1] = 1; + } + runes_display_move_to(t, params[0] - 1, params[1] - 1); +} + +static void runes_parser_handle_ed(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 0 }, nparams; + + runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); + switch (params[0]) { + case 0: + runes_display_clear_screen_forward(t); + break; + case 1: + /* XXX */ + fprintf(stderr, "unhandled ED parameter 1\n"); + break; + case 2: + runes_display_clear_screen(t); + break; + default: + fprintf(stderr, "unknown ED parameter %d\n", params[0]); + break; + } +} + +static void runes_parser_handle_el(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 0 }, nparams; + + runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); + switch (params[0]) { + case 0: + runes_display_kill_line_forward(t); + break; + case 1: + /* XXX */ + fprintf(stderr, "unhandled EL parameter 1\n"); + break; + case 2: + /* XXX */ + fprintf(stderr, "unhandled EL parameter 2\n"); + break; + default: + fprintf(stderr, "unknown EL parameter %d\n", params[0]); + break; + } +} + +static void runes_parser_handle_il(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 1 }, nparams; + + runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); + runes_display_scroll_up(t, params[0]); +} + +static void runes_parser_handle_dch(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 1 }, nparams; + + runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); + runes_display_delete_characters(t, params[0]); +} + +static void runes_parser_handle_sm(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS], nparams, i; + char modes[RUNES_PARSER_CSI_MAX_PARAMS] = { 0 }; + + runes_parser_extract_sm_params(buf + 2, len - 3, modes, params, &nparams); + for (i = 0; i < nparams; ++i) { + switch (modes[i]) { + case '?': + switch (params[i]) { + case 1: + t->application_cursor = 1; + break; + case 25: + runes_display_show_cursor(t); + break; + case 1049: + runes_display_use_alternate_buffer(t); + break; + default: + fprintf( + stderr, "unknown SM parameter: %c%d\n", + modes[i], params[i]); + break; + } + break; + default: + fprintf( + stderr, "unknown SM parameter: %c%d\n", + modes[i], params[i]); + break; + } + } +} + +static void runes_parser_handle_rm(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS], nparams, i; + char modes[RUNES_PARSER_CSI_MAX_PARAMS] = { 0 }; + + runes_parser_extract_sm_params(buf + 2, len - 3, modes, params, &nparams); + for (i = 0; i < nparams; ++i) { + switch (modes[i]) { + case '?': + switch (params[i]) { + case 1: + t->application_cursor = 0; + break; + case 25: + runes_display_hide_cursor(t); + break; + case 1049: + runes_display_use_normal_buffer(t); + break; + default: + fprintf( + stderr, "unknown RM parameter: %c%d\n", + modes[i], params[i]); + break; + } + break; + default: + fprintf( + stderr, "unknown RM parameter: %c%d\n", + modes[i], params[i]); + break; + } + } +} + +static void runes_parser_handle_sgr(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 0 }, nparams, i; + + runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); + if (nparams < 1) { + nparams = 1; + } + for (i = 0; i < nparams; ++i) { + switch (params[i]) { + case 0: + runes_display_reset_text_attributes(t); + break; + case 1: + runes_display_set_bold(t); + break; + case 3: + runes_display_set_italic(t); + break; + case 4: + runes_display_set_underline(t); + break; + case 7: + runes_display_set_inverse(t); + break; + case 22: + runes_display_reset_bold(t); + break; + case 23: + runes_display_reset_italic(t); + break; + case 24: + runes_display_reset_underline(t); + break; + case 27: + runes_display_reset_inverse(t); + break; + case 30: case 31: case 32: case 33: + case 34: case 35: case 36: case 37: + runes_display_set_fg_color(t, params[i] - 30); + break; + case 39: + runes_display_reset_fg_color(t); + break; + case 40: case 41: case 42: case 43: + case 44: case 45: case 46: case 47: + runes_display_set_bg_color(t, params[i] - 40); + break; + case 49: + runes_display_reset_bg_color(t); + break; + default: + fprintf(stderr, "unknown SGR parameter: %d\n", params[i]); + break; + } + } +} + +static void runes_parser_handle_csr(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 1, t->rows, 1, t->cols }; + int nparams; + + runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); + + runes_display_set_scroll_region( + t, params[0], params[1], params[2], params[3]); +} + +static void runes_parser_handle_decsed(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 0 }, nparams; + + runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); + switch (params[0]) { + case 0: + /* XXX not quite correct */ + runes_display_clear_screen_forward(t); + break; + case 1: + /* XXX */ + fprintf(stderr, "unhandled DECSED parameter 1\n"); + break; + case 2: + /* XXX not quite correct */ + runes_display_clear_screen(t); + break; + default: + fprintf(stderr, "unknown DECSED parameter %d\n", params[0]); + break; + } +} + +static void runes_parser_handle_decsel(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 0 }, nparams; + + runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); + switch (params[0]) { + case 0: + /* XXX not quite correct */ + runes_display_kill_line_forward(t); + break; + case 1: + /* XXX */ + fprintf(stderr, "unhandled DECSEL parameter 1\n"); + break; + case 2: + /* XXX */ + fprintf(stderr, "unhandled DECSEL parameter 2\n"); + break; + default: + fprintf(stderr, "unknown DECSEL parameter %d\n", params[0]); + break; + } +} + +static void runes_parser_handle_osc0(RunesTerm *t, char *buf, size_t len) +{ + runes_window_backend_set_icon_name(t, buf + 4, len - 5); + runes_window_backend_set_window_title(t, buf + 4, len - 5); +} + +static void runes_parser_handle_osc1(RunesTerm *t, char *buf, size_t len) +{ + runes_window_backend_set_icon_name(t, buf + 4, len - 5); +} + +static void runes_parser_handle_osc2(RunesTerm *t, char *buf, size_t len) +{ + runes_window_backend_set_window_title(t, buf + 4, len - 5); +} + +static void runes_parser_handle_ascii(RunesTerm *t, char *text, size_t len) +{ + runes_display_show_string_ascii(t, text, len); +} + +static void runes_parser_handle_text(RunesTerm *t, char *text, size_t len) +{ + runes_display_show_string_utf8(t, text, len); +} + +/* XXX these are copied from the generated file so that I can add the UNUSED + * declarations, otherwise we get compilation errors */ +void *runes_parser_yyalloc(yy_size_t size, yyscan_t yyscanner) +{ + UNUSED(yyscanner); + return (void *)malloc(size); +} + +void *runes_parser_yyrealloc(void *ptr, yy_size_t size, yyscan_t yyscanner) +{ + UNUSED(yyscanner); + return (void *)realloc((char *)ptr, size); +} + +void runes_parser_yyfree(void *ptr, yyscan_t yyscanner) +{ + UNUSED(yyscanner); + free((char *) ptr); +} + diff --git a/src/parser.h b/src/parser.h new file mode 100644 index 0000000..ea449a8 --- /dev/null +++ b/src/parser.h @@ -0,0 +1,6 @@ +#ifndef _RUNES_PARSER_H +#define _RUNES_PARSER_H + +void runes_parser_process_string(RunesTerm *t, char *buf, size_t len); + +#endif diff --git a/src/parser.l b/src/parser.l new file mode 100644 index 0000000..a4c4ced --- /dev/null +++ b/src/parser.l @@ -0,0 +1,676 @@ +%{ +#include + +#include "runes.h" + +#define RUNES_PARSER_CSI_MAX_PARAMS 256 + +#define YY_EXIT_FAILURE (UNUSED(yyscanner), 2) +%} + +%option reentrant nodefault batch +%option noyywrap nounput noinput noyyalloc noyyrealloc noyyfree +%option prefix="runes_parser_yy" +%option extra-type="RunesTerm *" + +CTRL [\000-\037\177] +ASCII [\040-\176] +LEAD2 [\300-\337] +LEAD3 [\340-\357] +LEAD4 [\360-\367] +CONT [\200-\277] +UNICHAR ({LEAD2}{CONT}|{LEAD3}{CONT}{CONT}|{LEAD4}{CONT}{CONT}{CONT}) +CHAR ({ASCII}|{UNICHAR}) + +ST \007 +BEL \007 +BS \010 +TAB \011 +LF \012 +VT \013 +FF \014 +CR \015 +ESC \033 + +DECKPAM {ESC}= +DECKPNM {ESC}> +CSI {ESC}\[ +OSC {ESC}\] +RI {ESC}M +VB {ESC}g +DECSC {ESC}7 +DECRC {ESC}8 + +DECCSI {CSI}\? +CSIPARAM1 ([0-9]+)? +CSIPARAM2 ([0-9]+(;[0-9]+)?)? +CSIPARAM24 ([0-9]+(;[0-9]+){1,3})? +CSIPARAMS ([0-9]+(;[0-9]+)*)? +SMPARAMS ([<=?]?[0-9]+(;[<=?]?[0-9]+)*)? + +CUU {CSI}{CSIPARAM1}A +CUD {CSI}{CSIPARAM1}B +CUF {CSI}{CSIPARAM1}C +CUB {CSI}{CSIPARAM1}D +CUP {CSI}{CSIPARAM2}H +ED {CSI}{CSIPARAM1}J +EL {CSI}{CSIPARAM1}K +IL {CSI}{CSIPARAM1}L +DCH {CSI}{CSIPARAM1}P +SM {CSI}{SMPARAMS}h +RM {CSI}{SMPARAMS}l +SGR {CSI}{CSIPARAMS}m +CSR {CSI}{CSIPARAM24}r + +DECSED {DECCSI}{CSIPARAM1}J +DECSEL {DECCSI}{CSIPARAM1}K + +OSC0 {OSC}0;{CHAR}*{ST} +OSC1 {OSC}1;{CHAR}*{ST} +OSC2 {OSC}2;{CHAR}*{ST} + +%{ +static void runes_parser_handle_bel(RunesTerm *t); +static void runes_parser_handle_bs(RunesTerm *t); +static void runes_parser_handle_tab(RunesTerm *t); +static void runes_parser_handle_lf(RunesTerm *t); +static void runes_parser_handle_cr(RunesTerm *t); +static void runes_parser_handle_deckpam(RunesTerm *t); +static void runes_parser_handle_deckpnm(RunesTerm *t); +static void runes_parser_handle_ri(RunesTerm *t); +static void runes_parser_handle_vb(RunesTerm *t); +static void runes_parser_handle_decsc(RunesTerm *t); +static void runes_parser_handle_decrc(RunesTerm *t); +static void runes_parser_extract_csi_params( + char *buf, size_t len, int *params, int *nparams); +static void runes_parser_extract_sm_params( + char *buf, size_t len, char *modes, int *params, int *nparams); +static void runes_parser_handle_cuu(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_cud(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_cuf(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_cub(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_cup(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_ed(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_el(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_il(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_dch(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_sm(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_rm(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_sgr(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_csr(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_decsed(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_decsel(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_osc0(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_osc1(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_osc2(RunesTerm *t, char *buf, size_t len); +static void runes_parser_handle_ascii(RunesTerm *t, char *text, size_t len); +static void runes_parser_handle_text(RunesTerm *t, char *text, size_t len); +%} + +%% + +{BEL} runes_parser_handle_bel(yyextra); return -1; +{BS} runes_parser_handle_bs(yyextra); return -1; +{TAB} runes_parser_handle_tab(yyextra); return -1; +{LF} | +{VT} | +{FF} runes_parser_handle_lf(yyextra); return -1; +{CR} runes_parser_handle_cr(yyextra); return -1; + +{DECKPAM} runes_parser_handle_deckpam(yyextra); return -1; +{DECKPNM} runes_parser_handle_deckpnm(yyextra); return -1; +{RI} runes_parser_handle_ri(yyextra); return -1; +{VB} runes_parser_handle_vb(yyextra); return -1; +{DECSC} runes_parser_handle_decsc(yyextra); return -1; +{DECRC} runes_parser_handle_decrc(yyextra); return -1; + +{CUU} runes_parser_handle_cuu(yyextra, yytext, yyleng); return -1; +{CUD} runes_parser_handle_cud(yyextra, yytext, yyleng); return -1; +{CUF} runes_parser_handle_cuf(yyextra, yytext, yyleng); return -1; +{CUB} runes_parser_handle_cub(yyextra, yytext, yyleng); return -1; +{CUP} runes_parser_handle_cup(yyextra, yytext, yyleng); return -1; +{ED} runes_parser_handle_ed(yyextra, yytext, yyleng); return -1; +{EL} runes_parser_handle_el(yyextra, yytext, yyleng); return -1; +{IL} runes_parser_handle_il(yyextra, yytext, yyleng); return -1; +{DCH} runes_parser_handle_dch(yyextra, yytext, yyleng); return -1; +{SM} runes_parser_handle_sm(yyextra, yytext, yyleng); return -1; +{RM} runes_parser_handle_rm(yyextra, yytext, yyleng); return -1; +{SGR} runes_parser_handle_sgr(yyextra, yytext, yyleng); return -1; +{CSR} runes_parser_handle_csr(yyextra, yytext, yyleng); return -1; + +{DECSED} runes_parser_handle_decsed(yyextra, yytext, yyleng); return -1; +{DECSEL} runes_parser_handle_decsel(yyextra, yytext, yyleng); return -1; + +{OSC0} runes_parser_handle_osc0(yyextra, yytext, yyleng); return -1; +{OSC1} runes_parser_handle_osc1(yyextra, yytext, yyleng); return -1; +{OSC2} runes_parser_handle_osc2(yyextra, yytext, yyleng); return -1; + +{ASCII}+ runes_parser_handle_ascii(yyextra, yytext, yyleng); return -1; +{CHAR}+ runes_parser_handle_text(yyextra, yytext, yyleng); return -1; + +{LEAD2} | +{LEAD3}{CONT}? | +{LEAD4}{CONT}?{CONT}? | +{CSI}[<=?]?{CSIPARAMS}[0-9;] | +{CSI} | +{OSC} | +{ESC} return yyleng; + +<> return 0; + +{CSI}[<=?]?{CSIPARAMS}{CTRL} { + fprintf( + stderr, "unhandled CSI sequence: \\033%*s\\%hho\n", + (int)yyleng - 2, yytext + 1, yytext[yyleng - 1]); + return -1; +} + +{CSI}[<=?]?{CSIPARAMS}{CHAR} { + fprintf( + stderr, "unhandled CSI sequence: \\033%*s\n", + (int)yyleng - 1, yytext + 1); + return -1; +} + +{OSC}{CTRL} { + fprintf( + stderr, "unhandled OSC sequence: \\033%*s\\%hho\n", + (int)yyleng - 2, yytext + 1, yytext[yyleng - 1]); + return -1; +} + +{OSC}{CHAR} { + fprintf( + stderr, "unhandled OSC sequence: \\033%*s\n", + (int)yyleng - 1, yytext + 1); + return -1; +} + +{ESC}{CTRL} { + fprintf(stderr, "unhandled escape sequence: \\%hho\n", yytext[1]); + return -1; +} + +{ESC}{CHAR} { + fprintf( + stderr, "unhandled escape sequence: %*s\n", + (int)yyleng - 1, yytext + 1); + return -1; +} + +{CTRL} { + fprintf(stderr, "unhandled control character: \\%hho\n", yytext[0]); + return -1; +} + +(?s:.) { + fprintf(stderr, "invalid utf8 byte: \\%hho\n", yytext[0]); + return -1; +} + +%% + +void runes_parser_process_string(RunesTerm *t, char *buf, size_t len) +{ + YY_BUFFER_STATE state; + yyscan_t scanner; + int remaining; + + /* XXX this will break if buf ends with a partial escape sequence or utf8 + * character. we need to detect that and not consume the entire input in + * that case */ + yylex_init_extra(t, &scanner); + state = runes_parser_yy_scan_bytes(buf, len, scanner); + while ((remaining = runes_parser_yylex(scanner)) == -1); + t->remaininglen = remaining; + if (t->remaininglen) { + memmove(t->readbuf, &buf[len - t->remaininglen], t->remaininglen); + } + runes_parser_yy_delete_buffer(state, scanner); + yylex_destroy(scanner); +} + +static void runes_parser_handle_bel(RunesTerm *t) +{ + if (t->audible_bell) { + runes_window_backend_request_audible_bell(t); + } + else { + runes_window_backend_request_visual_bell(t); + } +} + +static void runes_parser_handle_bs(RunesTerm *t) +{ + runes_display_move_to(t, t->row, t->col - 1); +} + +static void runes_parser_handle_tab(RunesTerm *t) +{ + runes_display_move_to(t, t->row, t->col - (t->col % 8) + 8); +} + +static void runes_parser_handle_lf(RunesTerm *t) +{ + runes_display_move_to(t, t->row + 1, t->col); +} + +static void runes_parser_handle_cr(RunesTerm *t) +{ + runes_display_move_to(t, t->row, 0); +} + +static void runes_parser_handle_deckpam(RunesTerm *t) +{ + t->application_keypad = 1; +} + +static void runes_parser_handle_deckpnm(RunesTerm *t) +{ + t->application_keypad = 0; +} + +static void runes_parser_handle_ri(RunesTerm *t) +{ + runes_display_move_to(t, t->row - 1, t->col); +} + +static void runes_parser_handle_vb(RunesTerm *t) +{ + runes_window_backend_request_visual_bell(t); +} + +static void runes_parser_handle_decsc(RunesTerm *t) +{ + runes_display_save_cursor(t); +} + +static void runes_parser_handle_decrc(RunesTerm *t) +{ + runes_display_restore_cursor(t); +} + +static void runes_parser_extract_csi_params( + char *buf, size_t len, int *params, int *nparams) +{ + runes_parser_extract_sm_params(buf, len, NULL, params, nparams); +} + +static void runes_parser_extract_sm_params( + char *buf, size_t len, char *modes, int *params, int *nparams) +{ + char *pos = buf; + + /* this assumes that it will only ever be called on a fully matched CSI + * sequence: accessing one character beyond the end is safe because CSI + * sequences always have one character after the parameters (to determine + * the type of sequence), and the parameters can only ever be digits, + * separated by semicolons. */ + buf[len] = '\0'; + *nparams = 0; + while ((size_t)(pos - buf) < len) { + if (*nparams >= RUNES_PARSER_CSI_MAX_PARAMS) { + fprintf(stderr, "max CSI parameter length exceeded\n"); + break; + } + + if (modes && (size_t)(pos - buf) < len) { + if (strstr(pos, "0123456789")) { + modes[*nparams] = '\0'; + } + else { + modes[*nparams] = *pos++; + } + } + + params[(*nparams)++] = atoi(pos); + + pos = strchr(pos, ';'); + if (pos) { + pos++; + } + else { + break; + } + } +} + +static void runes_parser_handle_cuu(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 1 }, nparams; + + runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); + runes_display_move_to(t, t->row - params[0], t->col); +} + +static void runes_parser_handle_cud(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 1 }, nparams; + + runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); + runes_display_move_to(t, t->row + params[0], t->col); +} + +static void runes_parser_handle_cuf(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 1 }, nparams; + + runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); + runes_display_move_to(t, t->row, t->col + params[0]); +} + +static void runes_parser_handle_cub(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 1 }, nparams; + + runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); + runes_display_move_to(t, t->row, t->col - params[0]); +} + +static void runes_parser_handle_cup(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 0, 0 }, nparams; + + runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); + if (params[0] == 0) { + params[0] = 1; + } + if (params[1] == 0) { + params[1] = 1; + } + runes_display_move_to(t, params[0] - 1, params[1] - 1); +} + +static void runes_parser_handle_ed(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 0 }, nparams; + + runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); + switch (params[0]) { + case 0: + runes_display_clear_screen_forward(t); + break; + case 1: + /* XXX */ + fprintf(stderr, "unhandled ED parameter 1\n"); + break; + case 2: + runes_display_clear_screen(t); + break; + default: + fprintf(stderr, "unknown ED parameter %d\n", params[0]); + break; + } +} + +static void runes_parser_handle_el(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 0 }, nparams; + + runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); + switch (params[0]) { + case 0: + runes_display_kill_line_forward(t); + break; + case 1: + /* XXX */ + fprintf(stderr, "unhandled EL parameter 1\n"); + break; + case 2: + /* XXX */ + fprintf(stderr, "unhandled EL parameter 2\n"); + break; + default: + fprintf(stderr, "unknown EL parameter %d\n", params[0]); + break; + } +} + +static void runes_parser_handle_il(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 1 }, nparams; + + runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); + runes_display_scroll_up(t, params[0]); +} + +static void runes_parser_handle_dch(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 1 }, nparams; + + runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); + runes_display_delete_characters(t, params[0]); +} + +static void runes_parser_handle_sm(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS], nparams, i; + char modes[RUNES_PARSER_CSI_MAX_PARAMS] = { 0 }; + + runes_parser_extract_sm_params(buf + 2, len - 3, modes, params, &nparams); + for (i = 0; i < nparams; ++i) { + switch (modes[i]) { + case '?': + switch (params[i]) { + case 1: + t->application_cursor = 1; + break; + case 25: + runes_display_show_cursor(t); + break; + case 1049: + runes_display_use_alternate_buffer(t); + break; + default: + fprintf( + stderr, "unknown SM parameter: %c%d\n", + modes[i], params[i]); + break; + } + break; + default: + fprintf( + stderr, "unknown SM parameter: %c%d\n", + modes[i], params[i]); + break; + } + } +} + +static void runes_parser_handle_rm(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS], nparams, i; + char modes[RUNES_PARSER_CSI_MAX_PARAMS] = { 0 }; + + runes_parser_extract_sm_params(buf + 2, len - 3, modes, params, &nparams); + for (i = 0; i < nparams; ++i) { + switch (modes[i]) { + case '?': + switch (params[i]) { + case 1: + t->application_cursor = 0; + break; + case 25: + runes_display_hide_cursor(t); + break; + case 1049: + runes_display_use_normal_buffer(t); + break; + default: + fprintf( + stderr, "unknown RM parameter: %c%d\n", + modes[i], params[i]); + break; + } + break; + default: + fprintf( + stderr, "unknown RM parameter: %c%d\n", + modes[i], params[i]); + break; + } + } +} + +static void runes_parser_handle_sgr(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 0 }, nparams, i; + + runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); + if (nparams < 1) { + nparams = 1; + } + for (i = 0; i < nparams; ++i) { + switch (params[i]) { + case 0: + runes_display_reset_text_attributes(t); + break; + case 1: + runes_display_set_bold(t); + break; + case 3: + runes_display_set_italic(t); + break; + case 4: + runes_display_set_underline(t); + break; + case 7: + runes_display_set_inverse(t); + break; + case 22: + runes_display_reset_bold(t); + break; + case 23: + runes_display_reset_italic(t); + break; + case 24: + runes_display_reset_underline(t); + break; + case 27: + runes_display_reset_inverse(t); + break; + case 30: case 31: case 32: case 33: + case 34: case 35: case 36: case 37: + runes_display_set_fg_color(t, params[i] - 30); + break; + case 39: + runes_display_reset_fg_color(t); + break; + case 40: case 41: case 42: case 43: + case 44: case 45: case 46: case 47: + runes_display_set_bg_color(t, params[i] - 40); + break; + case 49: + runes_display_reset_bg_color(t); + break; + default: + fprintf(stderr, "unknown SGR parameter: %d\n", params[i]); + break; + } + } +} + +static void runes_parser_handle_csr(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 1, t->rows, 1, t->cols }; + int nparams; + + runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); + + runes_display_set_scroll_region( + t, params[0], params[1], params[2], params[3]); +} + +static void runes_parser_handle_decsed(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 0 }, nparams; + + runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); + switch (params[0]) { + case 0: + /* XXX not quite correct */ + runes_display_clear_screen_forward(t); + break; + case 1: + /* XXX */ + fprintf(stderr, "unhandled DECSED parameter 1\n"); + break; + case 2: + /* XXX not quite correct */ + runes_display_clear_screen(t); + break; + default: + fprintf(stderr, "unknown DECSED parameter %d\n", params[0]); + break; + } +} + +static void runes_parser_handle_decsel(RunesTerm *t, char *buf, size_t len) +{ + int params[RUNES_PARSER_CSI_MAX_PARAMS] = { 0 }, nparams; + + runes_parser_extract_csi_params(buf + 2, len - 3, params, &nparams); + switch (params[0]) { + case 0: + /* XXX not quite correct */ + runes_display_kill_line_forward(t); + break; + case 1: + /* XXX */ + fprintf(stderr, "unhandled DECSEL parameter 1\n"); + break; + case 2: + /* XXX */ + fprintf(stderr, "unhandled DECSEL parameter 2\n"); + break; + default: + fprintf(stderr, "unknown DECSEL parameter %d\n", params[0]); + break; + } +} + +static void runes_parser_handle_osc0(RunesTerm *t, char *buf, size_t len) +{ + runes_window_backend_set_icon_name(t, buf + 4, len - 5); + runes_window_backend_set_window_title(t, buf + 4, len - 5); +} + +static void runes_parser_handle_osc1(RunesTerm *t, char *buf, size_t len) +{ + runes_window_backend_set_icon_name(t, buf + 4, len - 5); +} + +static void runes_parser_handle_osc2(RunesTerm *t, char *buf, size_t len) +{ + runes_window_backend_set_window_title(t, buf + 4, len - 5); +} + +static void runes_parser_handle_ascii(RunesTerm *t, char *text, size_t len) +{ + runes_display_show_string_ascii(t, text, len); +} + +static void runes_parser_handle_text(RunesTerm *t, char *text, size_t len) +{ + runes_display_show_string_utf8(t, text, len); +} + +/* XXX these are copied from the generated file so that I can add the UNUSED + * declarations, otherwise we get compilation errors */ +void *runes_parser_yyalloc(yy_size_t size, yyscan_t yyscanner) +{ + UNUSED(yyscanner); + return (void *)malloc(size); +} + +void *runes_parser_yyrealloc(void *ptr, yy_size_t size, yyscan_t yyscanner) +{ + UNUSED(yyscanner); + return (void *)realloc((char *)ptr, size); +} + +void runes_parser_yyfree(void *ptr, yyscan_t yyscanner) +{ + UNUSED(yyscanner); + free((char *) ptr); +} diff --git a/src/pty-unix.c b/src/pty-unix.c new file mode 100644 index 0000000..643c5ba --- /dev/null +++ b/src/pty-unix.c @@ -0,0 +1,138 @@ +#define _XOPEN_SOURCE 600 +#include +#include +#include +#include +#include + +#include "runes.h" + +static void runes_pty_backend_read(uv_work_t *req); +static void runes_pty_backend_got_data(uv_work_t *req, int status); + +void runes_pty_backend_spawn_subprocess(RunesTerm *t) +{ + RunesPtyBackend *pty = &t->pty; + + pty->master = posix_openpt(O_RDWR); + grantpt(pty->master); + unlockpt(pty->master); + pty->slave = open(ptsname(pty->master), O_RDWR); + + pty->child_pid = fork(); + if (pty->child_pid) { + close(pty->slave); + pty->slave = -1; + } + else { + char *cmd; + int old_stderr_fd; + FILE *old_stderr; + + old_stderr_fd = dup(2); + fcntl(old_stderr_fd, F_SETFD, FD_CLOEXEC); + old_stderr = fdopen(old_stderr_fd, "w"); + + setsid(); + ioctl(pty->slave, TIOCSCTTY, NULL); + + close(pty->master); + + dup2(pty->slave, 0); + dup2(pty->slave, 1); + dup2(pty->slave, 2); + + close(pty->slave); + + cmd = t->cmd; + if (!cmd) { + cmd = getenv("SHELL"); + } + if (!cmd) { + cmd = "/bin/sh"; + } + + /* XXX should use a different TERM value eventually, but for right now + * screen is compatible enough */ + setenv("TERM", "screen", 1); + unsetenv("LINES"); + unsetenv("COLUMNS"); + + execlp(cmd, cmd, (char *)NULL); + + fprintf(old_stderr, "Couldn't run %s: %s\n", cmd, strerror(errno)); + exit(1); + } +} + +void runes_pty_backend_start_loop(RunesTerm *t) +{ + void *data; + + data = malloc(sizeof(RunesLoopData)); + ((RunesLoopData *)data)->req.data = data; + ((RunesLoopData *)data)->t = t; + + uv_queue_work( + t->loop, data, runes_pty_backend_read, runes_pty_backend_got_data); +} + +void runes_pty_backend_set_window_size(RunesTerm *t) +{ + struct winsize size; + + size.ws_row = t->rows; + size.ws_col = t->cols; + size.ws_xpixel = t->xpixel; + size.ws_ypixel = t->ypixel; + ioctl(t->pty.master, TIOCSWINSZ, &size); +} + +void runes_pty_backend_write(RunesTerm *t, char *buf, size_t len) +{ + write(t->pty.master, buf, len); +} + +void runes_pty_backend_request_close(RunesTerm *t) +{ + RunesPtyBackend *pty = &t->pty; + + kill(pty->child_pid, SIGHUP); +} + +void runes_pty_backend_cleanup(RunesTerm *t) +{ + RunesPtyBackend *pty = &t->pty; + + close(pty->master); +} + +static void runes_pty_backend_read(uv_work_t *req) +{ + RunesLoopData *data = req->data; + RunesTerm *t = data->t; + + runes_window_backend_request_flush(t); + t->readlen = read( + t->pty.master, t->readbuf + t->remaininglen, + RUNES_READ_BUFFER_LENGTH - t->remaininglen); +} + +static void runes_pty_backend_got_data(uv_work_t *req, int status) +{ + RunesLoopData *data = req->data; + RunesTerm *t = data->t; + + UNUSED(status); + + if (t->readlen > 0) { + runes_parser_process_string( + t, t->readbuf, t->readlen + t->remaininglen); + uv_queue_work( + t->loop, req, runes_pty_backend_read, runes_pty_backend_got_data); + } + else { + runes_window_backend_request_close(t); + free(req); + } +} diff --git a/src/pty-unix.h b/src/pty-unix.h new file mode 100644 index 0000000..0d96aa9 --- /dev/null +++ b/src/pty-unix.h @@ -0,0 +1,17 @@ +#ifndef _RUNES_PTY_H +#define _RUNES_PTY_H + +struct runes_pty { + int master; + int slave; + pid_t child_pid; +}; + +void runes_pty_backend_spawn_subprocess(RunesTerm *t); +void runes_pty_backend_start_loop(RunesTerm *t); +void runes_pty_backend_set_window_size(RunesTerm *t); +void runes_pty_backend_write(RunesTerm *t, char *buf, size_t len); +void runes_pty_backend_request_close(RunesTerm *t); +void runes_pty_backend_cleanup(RunesTerm *t); + +#endif diff --git a/src/runes.c b/src/runes.c new file mode 100644 index 0000000..b47796f --- /dev/null +++ b/src/runes.c @@ -0,0 +1,19 @@ +#include +#include + +#include "runes.h" + +int main (int argc, char *argv[]) +{ + RunesTerm t; + + setlocale(LC_ALL, ""); + + runes_term_init(&t, argc, argv); + + uv_run(t.loop, UV_RUN_DEFAULT); + + runes_term_cleanup(&t); + + return 0; +} diff --git a/src/runes.h b/src/runes.h new file mode 100644 index 0000000..8c2861b --- /dev/null +++ b/src/runes.h @@ -0,0 +1,35 @@ +#ifndef _RUNES_H +#define _RUNES_H + +#include +#include +#include + +#define RUNES_READ_BUFFER_LENGTH 4096 + +struct runes_term; +struct runes_window; +struct runes_pty; +struct runes_loop_data; + +typedef struct runes_term RunesTerm; +typedef struct runes_window RunesWindowBackend; +typedef struct runes_pty RunesPtyBackend; +typedef struct runes_loop_data RunesLoopData; + +struct runes_loop_data { + uv_work_t req; + RunesTerm *t; +}; + +#include "window-xlib.h" +#include "pty-unix.h" + +#include "term.h" +#include "display.h" +#include "parser.h" +#include "config.h" + +#define UNUSED(x) ((void)x) + +#endif diff --git a/src/term.c b/src/term.c new file mode 100644 index 0000000..fe21752 --- /dev/null +++ b/src/term.c @@ -0,0 +1,33 @@ +#include "runes.h" + +void runes_term_init(RunesTerm *t, int argc, char *argv[]) +{ + runes_config_init(t, argc, argv); + + /* doing most of the pty initialization right at the beginning, because + * libuv will set up a bunch of state (including potentially things like + * spawning threads) when that is initialized, and i'm not really sure how + * that interacts with forking */ + runes_pty_backend_spawn_subprocess(t); + + runes_display_init(t); + runes_window_backend_create_window(t, argc, argv); + + runes_display_set_window_size(t); + + /* have to initialize these here instead of in display_init because they + * depend on the window size being set */ + t->scroll_top = 0; + t->scroll_bottom = t->rows - 1; + + t->loop = uv_default_loop(); + runes_window_backend_start_loop(t); + runes_pty_backend_start_loop(t); +} + +void runes_term_cleanup(RunesTerm *t) +{ + runes_display_cleanup(t); + runes_window_backend_cleanup(t); + runes_pty_backend_cleanup(t); +} diff --git a/src/term.h b/src/term.h new file mode 100644 index 0000000..8f9d6a4 --- /dev/null +++ b/src/term.h @@ -0,0 +1,63 @@ +#ifndef _RUNES_TERM_H +#define _RUNES_TERM_H + +struct runes_term { + RunesWindowBackend w; + RunesPtyBackend pty; + + cairo_t *cr; + cairo_t *backend_cr; + cairo_t *alternate_cr; + uv_loop_t *loop; + + cairo_pattern_t *cursorcolor; + + cairo_pattern_t *fgdefault; + cairo_pattern_t *bgdefault; + cairo_pattern_t *colors[8]; + cairo_pattern_t *brightcolors[8]; + + int fgcolor; + int bgcolor; + + int row; + int col; + int saved_row; + int saved_col; + int scroll_top; + int scroll_bottom; + + int rows; + int cols; + int xpixel; + int ypixel; + int fontx; + int fonty; + int default_rows; + int default_cols; + + char *cmd; + + char *font_name; + PangoLayout *layout; + + char readbuf[RUNES_READ_BUFFER_LENGTH]; + int readlen; + int remaininglen; + + char bold_is_bright; + char bold_is_bold; + char bold; + char inverse; + char hide_cursor; + char unfocused; + char audible_bell; + + char application_keypad; + char application_cursor; +}; + +void runes_term_init(RunesTerm *t, int argc, char *argv[]); +void runes_term_cleanup(RunesTerm *t); + +#endif diff --git a/src/window-xlib.c b/src/window-xlib.c new file mode 100644 index 0000000..0051fae --- /dev/null +++ b/src/window-xlib.c @@ -0,0 +1,532 @@ +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "runes.h" + +static char *atom_names[RUNES_NUM_ATOMS] = { + "WM_DELETE_WINDOW", + "_NET_WM_PING", + "_NET_WM_PID", + "_NET_WM_ICON_NAME", + "_NET_WM_NAME", + "UTF8_STRING", + "WM_PROTOCOLS", + "RUNES_FLUSH", + "RUNES_VISUAL_BELL", + "RUNES_AUDIBLE_BELL" +}; + +struct function_key { + KeySym sym; + char *str; + size_t len; +}; + +#define RUNES_KEY(sym, str) { sym, str, sizeof(str) - 1 } +static struct function_key keys[] = { + RUNES_KEY(XK_Up, "\e[A"), + RUNES_KEY(XK_Down, "\e[B"), + RUNES_KEY(XK_Right, "\e[C"), + RUNES_KEY(XK_Left, "\e[D"), + RUNES_KEY(XK_Page_Up, "\e[5~"), + RUNES_KEY(XK_Page_Down, "\e[6~"), + RUNES_KEY(XK_Home, "\e[H"), + RUNES_KEY(XK_End, "\e[F"), + RUNES_KEY(XK_F1, "\eOP"), + RUNES_KEY(XK_F2, "\eOQ"), + RUNES_KEY(XK_F3, "\eOR"), + RUNES_KEY(XK_F4, "\eOS"), + RUNES_KEY(XK_F5, "\e[15~"), + RUNES_KEY(XK_F6, "\e[17~"), + RUNES_KEY(XK_F7, "\e[18~"), + RUNES_KEY(XK_F8, "\e[19~"), + RUNES_KEY(XK_F9, "\e[20~"), + RUNES_KEY(XK_F10, "\e[21~"), + RUNES_KEY(XK_F11, "\e[23~"), + RUNES_KEY(XK_F12, "\e[24~"), + RUNES_KEY(XK_F13, "\e[25~"), + RUNES_KEY(XK_F14, "\e[26~"), + RUNES_KEY(XK_F15, "\e[28~"), + RUNES_KEY(XK_F16, "\e[29~"), + RUNES_KEY(XK_F17, "\e[31~"), + RUNES_KEY(XK_F18, "\e[32~"), + RUNES_KEY(XK_F19, "\e[33~"), + RUNES_KEY(XK_F20, "\e[34~"), + /* XXX keypad keys need to go here too */ + RUNES_KEY(XK_VoidSymbol, "") +}; + +static struct function_key application_keypad_keys[] = { + /* XXX i don't have a keypad on my laptop, need to get one for testing */ + RUNES_KEY(XK_VoidSymbol, "") +}; + +static struct function_key application_cursor_keys[] = { + RUNES_KEY(XK_Up, "\eOA"), + RUNES_KEY(XK_Down, "\eOB"), + RUNES_KEY(XK_Right, "\eOC"), + RUNES_KEY(XK_Left, "\eOD"), + /* XXX home/end? */ + RUNES_KEY(XK_VoidSymbol, "") +}; +#undef RUNES_KEY + +static void runes_window_backend_get_next_event(uv_work_t *req); +static void runes_window_backend_process_event(uv_work_t *req, int status); +static void runes_window_backend_resize_window( + RunesTerm *t, int width, int height); +static void runes_window_backend_flush(RunesTerm *t); +static void runes_window_backend_draw_cursor(RunesTerm *t); +static void runes_window_backend_set_urgent(RunesTerm *t); +static void runes_window_backend_clear_urgent(RunesTerm *t); + +void runes_window_backend_create_window(RunesTerm *t, int argc, char *argv[]) +{ + RunesWindowBackend *w = &t->w; + pid_t pid; + XClassHint class_hints = { "runes", "runes" }; + XWMHints wm_hints; + XSizeHints normal_hints; + unsigned long white; + XIM im; + Cursor cursor; + XColor cursor_fg, cursor_bg; + Visual *vis; + cairo_surface_t *surface; + + wm_hints.flags = InputHint | StateHint; + wm_hints.input = True; + wm_hints.initial_state = NormalState; + + normal_hints.flags = PMinSize | PResizeInc | PBaseSize; + + normal_hints.min_width = t->fontx; + normal_hints.min_height = t->fonty; + normal_hints.width_inc = t->fontx; + normal_hints.height_inc = t->fonty; + normal_hints.base_width = t->fontx * t->default_cols; + normal_hints.base_height = t->fonty * t->default_rows; + + XInitThreads(); + + w->dpy = XOpenDisplay(NULL); + white = WhitePixel(w->dpy, DefaultScreen(w->dpy)); + w->w = XCreateSimpleWindow( + w->dpy, DefaultRootWindow(w->dpy), + 0, 0, normal_hints.base_width, normal_hints.base_height, + 0, white, white); + + XSetLocaleModifiers(""); + im = XOpenIM(w->dpy, NULL, NULL, NULL); + w->ic = XCreateIC( + im, + XNInputStyle, XIMPreeditNothing | XIMStatusNothing, + XNClientWindow, w->w, + XNFocusWindow, w->w, + NULL + ); + if (w->ic == NULL) { + fprintf(stderr, "failed\n"); + exit(1); + } + + XInternAtoms(w->dpy, atom_names, RUNES_NUM_ATOMS, False, w->atoms); + XSetWMProtocols(w->dpy, w->w, w->atoms, RUNES_NUM_PROTOCOL_ATOMS); + + Xutf8SetWMProperties( + w->dpy, w->w, "runes", "runes", argv, argc, + &normal_hints, &wm_hints, &class_hints); + + pid = getpid(); + XChangeProperty( + w->dpy, w->w, w->atoms[RUNES_ATOM_NET_WM_PID], + XA_CARDINAL, 32, PropModeReplace, (unsigned char *)&pid, 1); + + runes_window_backend_set_icon_name(t, "runes", 5); + runes_window_backend_set_window_title(t, "runes", 5); + + cursor = XCreateFontCursor(w->dpy, XC_xterm); + cursor_fg.red = cursor_fg.green = cursor_fg.blue = 65535; + cursor_bg.red = cursor_bg.green = cursor_bg.blue = 0; + XRecolorCursor(w->dpy, cursor, &cursor_fg, &cursor_bg); + XDefineCursor(w->dpy, w->w, cursor); + + vis = DefaultVisual(w->dpy, DefaultScreen(w->dpy)); + surface = cairo_xlib_surface_create( + w->dpy, w->w, vis, normal_hints.base_width, normal_hints.base_height); + t->backend_cr = cairo_create(surface); + cairo_surface_destroy(surface); + + XMapWindow(w->dpy, w->w); +} + +void runes_window_backend_start_loop(RunesTerm *t) +{ + RunesWindowBackend *w = &t->w; + unsigned long mask; + void *data; + + XGetICValues(w->ic, XNFilterEvents, &mask, NULL); + XSelectInput( + w->dpy, w->w, + mask|KeyPressMask|ButtonPressMask|ButtonReleaseMask|ButtonMotionMask|PointerMotionHintMask|EnterWindowMask|LeaveWindowMask|StructureNotifyMask|ExposureMask|FocusChangeMask); + XSetICFocus(w->ic); + + data = malloc(sizeof(RunesXlibLoopData)); + ((RunesLoopData *)data)->req.data = data; + ((RunesLoopData *)data)->t = t; + + uv_queue_work( + t->loop, data, + runes_window_backend_get_next_event, + runes_window_backend_process_event); +} + +void runes_window_backend_request_flush(RunesTerm *t) +{ + XEvent e; + + e.xclient.type = ClientMessage; + e.xclient.window = t->w.w; + e.xclient.format = 32; + e.xclient.data.l[0] = t->w.atoms[RUNES_ATOM_RUNES_FLUSH]; + + XSendEvent(t->w.dpy, t->w.w, False, NoEventMask, &e); + XLockDisplay(t->w.dpy); + XFlush(t->w.dpy); + XUnlockDisplay(t->w.dpy); +} + +void runes_window_backend_request_visual_bell(RunesTerm *t) +{ + XEvent e; + + e.xclient.type = ClientMessage; + e.xclient.window = t->w.w; + e.xclient.format = 32; + e.xclient.data.l[0] = t->w.atoms[RUNES_ATOM_RUNES_VISUAL_BELL]; + + XSendEvent(t->w.dpy, t->w.w, False, NoEventMask, &e); + XLockDisplay(t->w.dpy); + XFlush(t->w.dpy); + XUnlockDisplay(t->w.dpy); +} + +void runes_window_backend_request_audible_bell(RunesTerm *t) +{ + XEvent e; + + e.xclient.type = ClientMessage; + e.xclient.window = t->w.w; + e.xclient.format = 32; + e.xclient.data.l[0] = t->w.atoms[RUNES_ATOM_RUNES_AUDIBLE_BELL]; + + XSendEvent(t->w.dpy, t->w.w, False, NoEventMask, &e); + XLockDisplay(t->w.dpy); + XFlush(t->w.dpy); + XUnlockDisplay(t->w.dpy); +} + +void runes_window_backend_request_close(RunesTerm *t) +{ + XEvent e; + + e.xclient.type = ClientMessage; + e.xclient.window = t->w.w; + e.xclient.message_type = t->w.atoms[RUNES_ATOM_WM_PROTOCOLS]; + e.xclient.format = 32; + e.xclient.data.l[0] = t->w.atoms[RUNES_ATOM_WM_DELETE_WINDOW]; + e.xclient.data.l[1] = CurrentTime; + + XSendEvent(t->w.dpy, t->w.w, False, NoEventMask, &e); +} + +void runes_window_backend_get_size(RunesTerm *t, int *xpixel, int *ypixel) +{ + cairo_surface_t *surface; + + surface = cairo_get_target(t->backend_cr); + *xpixel = cairo_xlib_surface_get_width(surface); + *ypixel = cairo_xlib_surface_get_height(surface); +} + +void runes_window_backend_set_icon_name(RunesTerm *t, char *name, size_t len) +{ + RunesWindowBackend *w = &t->w; + + XChangeProperty( + w->dpy, w->w, XA_WM_ICON_NAME, + w->atoms[RUNES_ATOM_UTF8_STRING], 8, PropModeReplace, + (unsigned char *)name, len); + XChangeProperty( + w->dpy, w->w, w->atoms[RUNES_ATOM_NET_WM_ICON_NAME], + w->atoms[RUNES_ATOM_UTF8_STRING], 8, PropModeReplace, + (unsigned char *)name, len); +} + +void runes_window_backend_set_window_title( + RunesTerm *t, char *name, size_t len) +{ + RunesWindowBackend *w = &t->w; + + XChangeProperty( + w->dpy, w->w, XA_WM_NAME, + w->atoms[RUNES_ATOM_UTF8_STRING], 8, PropModeReplace, + (unsigned char *)name, len); + XChangeProperty( + w->dpy, w->w, w->atoms[RUNES_ATOM_NET_WM_NAME], + w->atoms[RUNES_ATOM_UTF8_STRING], 8, PropModeReplace, + (unsigned char *)name, len); +} + +void runes_window_backend_cleanup(RunesTerm *t) +{ + RunesWindowBackend *w = &t->w; + XIM im; + + cairo_destroy(t->backend_cr); + im = XIMOfIC(w->ic); + XDestroyIC(w->ic); + XCloseIM(im); + XDestroyWindow(w->dpy, w->w); + XCloseDisplay(w->dpy); +} + +static void runes_window_backend_get_next_event(uv_work_t *req) +{ + RunesXlibLoopData *data; + + data = (RunesXlibLoopData *)req->data; + XNextEvent(data->data.t->w.dpy, &data->e); +} + +static void runes_window_backend_process_event(uv_work_t *req, int status) +{ + RunesXlibLoopData *data = req->data; + XEvent *e = &data->e; + RunesTerm *t = data->data.t; + RunesWindowBackend *w = &t->w; + int should_close = 0; + + UNUSED(status); + + if (!XFilterEvent(e, None)) { + switch (e->type) { + case KeyPress: { + char *buf = NULL; + size_t len = 8; + KeySym sym; + Status s; + size_t chars; + + buf = malloc(len); + + for (;;) { + chars = Xutf8LookupString( + w->ic, &e->xkey, buf, len - 1, &sym, &s); + if (s == XBufferOverflow) { + len = chars + 1; + buf = realloc(buf, len); + continue; + } + break; + } + + switch (s) { + case XLookupChars: + case XLookupBoth: + runes_pty_backend_write(t, buf, chars); + break; + case XLookupKeySym: { + struct function_key *key; + + if (t->application_keypad) { + if (t->application_cursor) { + key = &application_cursor_keys[0]; + while (key->sym != XK_VoidSymbol) { + if (key->sym == sym) { + break; + } + key++; + } + if (key->sym != XK_VoidSymbol) { + runes_pty_backend_write(t, key->str, key->len); + break; + } + } + key = &application_keypad_keys[0]; + while (key->sym != XK_VoidSymbol) { + if (key->sym == sym) { + break; + } + key++; + } + if (key->sym != XK_VoidSymbol) { + runes_pty_backend_write(t, key->str, key->len); + break; + } + } + key = &keys[0]; + while (key->sym != XK_VoidSymbol) { + if (key->sym == sym) { + break; + } + key++; + } + if (key->sym != XK_VoidSymbol) { + runes_pty_backend_write(t, key->str, key->len); + break; + } + break; + } + default: + break; + } + free(buf); + break; + } + case Expose: + runes_window_backend_flush(t); + break; + case ConfigureNotify: + while (XCheckTypedWindowEvent(w->dpy, w->w, ConfigureNotify, e)); + runes_window_backend_resize_window( + t, e->xconfigure.width, e->xconfigure.height); + break; + case FocusIn: + runes_window_backend_clear_urgent(t); + runes_display_focus_in(t); + runes_window_backend_flush(t); + break; + case FocusOut: + runes_display_focus_out(t); + runes_window_backend_flush(t); + break; + case ClientMessage: { + Atom a = e->xclient.data.l[0]; + if (a == w->atoms[RUNES_ATOM_WM_DELETE_WINDOW]) { + should_close = 1; + } + else if (a == w->atoms[RUNES_ATOM_NET_WM_PING]) { + e->xclient.window = DefaultRootWindow(w->dpy); + XSendEvent( + w->dpy, e->xclient.window, False, + SubstructureNotifyMask | SubstructureRedirectMask, + e + ); + } + else if (a == w->atoms[RUNES_ATOM_RUNES_FLUSH]) { + runes_window_backend_flush(t); + } + else if (a == w->atoms[RUNES_ATOM_RUNES_VISUAL_BELL]) { + cairo_pattern_t *white; + struct timespec tm = { 0, 20000000 }; + + runes_window_backend_set_urgent(t); + white = cairo_pattern_create_rgb(1.0, 1.0, 1.0); + cairo_set_source(t->backend_cr, white); + cairo_paint(t->backend_cr); + cairo_pattern_destroy(white); + cairo_surface_flush(cairo_get_target(t->backend_cr)); + XFlush(w->dpy); + nanosleep(&tm, NULL); + runes_window_backend_flush(t); + } + else if (a == w->atoms[RUNES_ATOM_RUNES_AUDIBLE_BELL]) { + XBell(w->dpy, 0); + } + break; + } + default: + break; + } + } + + if (!should_close) { + uv_queue_work( + t->loop, req, runes_window_backend_get_next_event, + runes_window_backend_process_event); + } + else { + runes_pty_backend_request_close(t); + free(req); + } +} + +static void runes_window_backend_resize_window( + RunesTerm *t, int width, int height) +{ + /* XXX no idea why shrinking the window dimensions to 0 makes xlib think + * that the dimension is 65535 */ + if (width < 1 || width >= 65535) { + width = 1; + } + if (height < 1 || height >= 65535) { + height = 1; + } + + if (width != t->xpixel || height != t->ypixel) { + cairo_xlib_surface_set_size( + cairo_get_target(t->backend_cr), width, height); + runes_display_set_window_size(t); + } +} + +static void runes_window_backend_flush(RunesTerm *t) +{ + cairo_set_source_surface(t->backend_cr, cairo_get_target(t->cr), 0.0, 0.0); + cairo_paint(t->backend_cr); + runes_window_backend_draw_cursor(t); + cairo_surface_flush(cairo_get_target(t->backend_cr)); +} + +static void runes_window_backend_draw_cursor(RunesTerm *t) +{ + if (!t->hide_cursor) { + cairo_save(t->backend_cr); + cairo_set_source(t->backend_cr, t->cursorcolor); + if (t->unfocused) { + cairo_set_line_width(t->backend_cr, 1); + cairo_rectangle( + t->backend_cr, + t->col * t->fontx + 0.5, t->row * t->fonty + 0.5, + t->fontx, t->fonty); + cairo_stroke(t->backend_cr); + } + else { + cairo_rectangle( + t->backend_cr, + t->col * t->fontx, t->row * t->fonty, + t->fontx, t->fonty); + cairo_fill(t->backend_cr); + } + cairo_restore(t->backend_cr); + } +} + +static void runes_window_backend_set_urgent(RunesTerm *t) +{ + XWMHints *hints; + + hints = XGetWMHints(t->w.dpy, t->w.w); + hints->flags |= XUrgencyHint; + XSetWMHints(t->w.dpy, t->w.w, hints); + XFree(hints); +} + +static void runes_window_backend_clear_urgent(RunesTerm *t) +{ + XWMHints *hints; + + hints = XGetWMHints(t->w.dpy, t->w.w); + hints->flags &= ~XUrgencyHint; + XSetWMHints(t->w.dpy, t->w.w, hints); + XFree(hints); +} diff --git a/src/window-xlib.h b/src/window-xlib.h new file mode 100644 index 0000000..c7b8960 --- /dev/null +++ b/src/window-xlib.h @@ -0,0 +1,46 @@ +#ifndef _RUNES_WINDOW_XLIB_H +#define _RUNES_XLIB_H + +#include + +enum runes_atoms { + RUNES_ATOM_WM_DELETE_WINDOW, + RUNES_ATOM_NET_WM_PING, + RUNES_NUM_PROTOCOL_ATOMS, + RUNES_ATOM_NET_WM_PID = 2, + RUNES_ATOM_NET_WM_ICON_NAME, + RUNES_ATOM_NET_WM_NAME, + RUNES_ATOM_UTF8_STRING, + RUNES_ATOM_WM_PROTOCOLS, + RUNES_ATOM_RUNES_FLUSH, + RUNES_ATOM_RUNES_VISUAL_BELL, + RUNES_ATOM_RUNES_AUDIBLE_BELL, + RUNES_NUM_ATOMS +}; + +struct runes_window { + Display *dpy; + Window w; + XIC ic; + + Atom atoms[RUNES_NUM_ATOMS]; +}; + +typedef struct { + RunesLoopData data; + XEvent e; +} RunesXlibLoopData; + +void runes_window_backend_create_window(RunesTerm *t, int argc, char *argv[]); +void runes_window_backend_start_loop(RunesTerm *t); +void runes_window_backend_request_flush(RunesTerm *t); +void runes_window_backend_request_visual_bell(RunesTerm *t); +void runes_window_backend_request_audible_bell(RunesTerm *t); +void runes_window_backend_request_close(RunesTerm *t); +void runes_window_backend_get_size(RunesTerm *t, int *xpixel, int *ypixel); +void runes_window_backend_set_icon_name(RunesTerm *t, char *name, size_t len); +void runes_window_backend_set_window_title( + RunesTerm *t, char *name, size_t len); +void runes_window_backend_cleanup(RunesTerm *t); + +#endif diff --git a/term.c b/term.c deleted file mode 100644 index fe21752..0000000 --- a/term.c +++ /dev/null @@ -1,33 +0,0 @@ -#include "runes.h" - -void runes_term_init(RunesTerm *t, int argc, char *argv[]) -{ - runes_config_init(t, argc, argv); - - /* doing most of the pty initialization right at the beginning, because - * libuv will set up a bunch of state (including potentially things like - * spawning threads) when that is initialized, and i'm not really sure how - * that interacts with forking */ - runes_pty_backend_spawn_subprocess(t); - - runes_display_init(t); - runes_window_backend_create_window(t, argc, argv); - - runes_display_set_window_size(t); - - /* have to initialize these here instead of in display_init because they - * depend on the window size being set */ - t->scroll_top = 0; - t->scroll_bottom = t->rows - 1; - - t->loop = uv_default_loop(); - runes_window_backend_start_loop(t); - runes_pty_backend_start_loop(t); -} - -void runes_term_cleanup(RunesTerm *t) -{ - runes_display_cleanup(t); - runes_window_backend_cleanup(t); - runes_pty_backend_cleanup(t); -} diff --git a/term.h b/term.h deleted file mode 100644 index 8f9d6a4..0000000 --- a/term.h +++ /dev/null @@ -1,63 +0,0 @@ -#ifndef _RUNES_TERM_H -#define _RUNES_TERM_H - -struct runes_term { - RunesWindowBackend w; - RunesPtyBackend pty; - - cairo_t *cr; - cairo_t *backend_cr; - cairo_t *alternate_cr; - uv_loop_t *loop; - - cairo_pattern_t *cursorcolor; - - cairo_pattern_t *fgdefault; - cairo_pattern_t *bgdefault; - cairo_pattern_t *colors[8]; - cairo_pattern_t *brightcolors[8]; - - int fgcolor; - int bgcolor; - - int row; - int col; - int saved_row; - int saved_col; - int scroll_top; - int scroll_bottom; - - int rows; - int cols; - int xpixel; - int ypixel; - int fontx; - int fonty; - int default_rows; - int default_cols; - - char *cmd; - - char *font_name; - PangoLayout *layout; - - char readbuf[RUNES_READ_BUFFER_LENGTH]; - int readlen; - int remaininglen; - - char bold_is_bright; - char bold_is_bold; - char bold; - char inverse; - char hide_cursor; - char unfocused; - char audible_bell; - - char application_keypad; - char application_cursor; -}; - -void runes_term_init(RunesTerm *t, int argc, char *argv[]); -void runes_term_cleanup(RunesTerm *t); - -#endif diff --git a/window-xlib.c b/window-xlib.c deleted file mode 100644 index 0051fae..0000000 --- a/window-xlib.c +++ /dev/null @@ -1,532 +0,0 @@ -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "runes.h" - -static char *atom_names[RUNES_NUM_ATOMS] = { - "WM_DELETE_WINDOW", - "_NET_WM_PING", - "_NET_WM_PID", - "_NET_WM_ICON_NAME", - "_NET_WM_NAME", - "UTF8_STRING", - "WM_PROTOCOLS", - "RUNES_FLUSH", - "RUNES_VISUAL_BELL", - "RUNES_AUDIBLE_BELL" -}; - -struct function_key { - KeySym sym; - char *str; - size_t len; -}; - -#define RUNES_KEY(sym, str) { sym, str, sizeof(str) - 1 } -static struct function_key keys[] = { - RUNES_KEY(XK_Up, "\e[A"), - RUNES_KEY(XK_Down, "\e[B"), - RUNES_KEY(XK_Right, "\e[C"), - RUNES_KEY(XK_Left, "\e[D"), - RUNES_KEY(XK_Page_Up, "\e[5~"), - RUNES_KEY(XK_Page_Down, "\e[6~"), - RUNES_KEY(XK_Home, "\e[H"), - RUNES_KEY(XK_End, "\e[F"), - RUNES_KEY(XK_F1, "\eOP"), - RUNES_KEY(XK_F2, "\eOQ"), - RUNES_KEY(XK_F3, "\eOR"), - RUNES_KEY(XK_F4, "\eOS"), - RUNES_KEY(XK_F5, "\e[15~"), - RUNES_KEY(XK_F6, "\e[17~"), - RUNES_KEY(XK_F7, "\e[18~"), - RUNES_KEY(XK_F8, "\e[19~"), - RUNES_KEY(XK_F9, "\e[20~"), - RUNES_KEY(XK_F10, "\e[21~"), - RUNES_KEY(XK_F11, "\e[23~"), - RUNES_KEY(XK_F12, "\e[24~"), - RUNES_KEY(XK_F13, "\e[25~"), - RUNES_KEY(XK_F14, "\e[26~"), - RUNES_KEY(XK_F15, "\e[28~"), - RUNES_KEY(XK_F16, "\e[29~"), - RUNES_KEY(XK_F17, "\e[31~"), - RUNES_KEY(XK_F18, "\e[32~"), - RUNES_KEY(XK_F19, "\e[33~"), - RUNES_KEY(XK_F20, "\e[34~"), - /* XXX keypad keys need to go here too */ - RUNES_KEY(XK_VoidSymbol, "") -}; - -static struct function_key application_keypad_keys[] = { - /* XXX i don't have a keypad on my laptop, need to get one for testing */ - RUNES_KEY(XK_VoidSymbol, "") -}; - -static struct function_key application_cursor_keys[] = { - RUNES_KEY(XK_Up, "\eOA"), - RUNES_KEY(XK_Down, "\eOB"), - RUNES_KEY(XK_Right, "\eOC"), - RUNES_KEY(XK_Left, "\eOD"), - /* XXX home/end? */ - RUNES_KEY(XK_VoidSymbol, "") -}; -#undef RUNES_KEY - -static void runes_window_backend_get_next_event(uv_work_t *req); -static void runes_window_backend_process_event(uv_work_t *req, int status); -static void runes_window_backend_resize_window( - RunesTerm *t, int width, int height); -static void runes_window_backend_flush(RunesTerm *t); -static void runes_window_backend_draw_cursor(RunesTerm *t); -static void runes_window_backend_set_urgent(RunesTerm *t); -static void runes_window_backend_clear_urgent(RunesTerm *t); - -void runes_window_backend_create_window(RunesTerm *t, int argc, char *argv[]) -{ - RunesWindowBackend *w = &t->w; - pid_t pid; - XClassHint class_hints = { "runes", "runes" }; - XWMHints wm_hints; - XSizeHints normal_hints; - unsigned long white; - XIM im; - Cursor cursor; - XColor cursor_fg, cursor_bg; - Visual *vis; - cairo_surface_t *surface; - - wm_hints.flags = InputHint | StateHint; - wm_hints.input = True; - wm_hints.initial_state = NormalState; - - normal_hints.flags = PMinSize | PResizeInc | PBaseSize; - - normal_hints.min_width = t->fontx; - normal_hints.min_height = t->fonty; - normal_hints.width_inc = t->fontx; - normal_hints.height_inc = t->fonty; - normal_hints.base_width = t->fontx * t->default_cols; - normal_hints.base_height = t->fonty * t->default_rows; - - XInitThreads(); - - w->dpy = XOpenDisplay(NULL); - white = WhitePixel(w->dpy, DefaultScreen(w->dpy)); - w->w = XCreateSimpleWindow( - w->dpy, DefaultRootWindow(w->dpy), - 0, 0, normal_hints.base_width, normal_hints.base_height, - 0, white, white); - - XSetLocaleModifiers(""); - im = XOpenIM(w->dpy, NULL, NULL, NULL); - w->ic = XCreateIC( - im, - XNInputStyle, XIMPreeditNothing | XIMStatusNothing, - XNClientWindow, w->w, - XNFocusWindow, w->w, - NULL - ); - if (w->ic == NULL) { - fprintf(stderr, "failed\n"); - exit(1); - } - - XInternAtoms(w->dpy, atom_names, RUNES_NUM_ATOMS, False, w->atoms); - XSetWMProtocols(w->dpy, w->w, w->atoms, RUNES_NUM_PROTOCOL_ATOMS); - - Xutf8SetWMProperties( - w->dpy, w->w, "runes", "runes", argv, argc, - &normal_hints, &wm_hints, &class_hints); - - pid = getpid(); - XChangeProperty( - w->dpy, w->w, w->atoms[RUNES_ATOM_NET_WM_PID], - XA_CARDINAL, 32, PropModeReplace, (unsigned char *)&pid, 1); - - runes_window_backend_set_icon_name(t, "runes", 5); - runes_window_backend_set_window_title(t, "runes", 5); - - cursor = XCreateFontCursor(w->dpy, XC_xterm); - cursor_fg.red = cursor_fg.green = cursor_fg.blue = 65535; - cursor_bg.red = cursor_bg.green = cursor_bg.blue = 0; - XRecolorCursor(w->dpy, cursor, &cursor_fg, &cursor_bg); - XDefineCursor(w->dpy, w->w, cursor); - - vis = DefaultVisual(w->dpy, DefaultScreen(w->dpy)); - surface = cairo_xlib_surface_create( - w->dpy, w->w, vis, normal_hints.base_width, normal_hints.base_height); - t->backend_cr = cairo_create(surface); - cairo_surface_destroy(surface); - - XMapWindow(w->dpy, w->w); -} - -void runes_window_backend_start_loop(RunesTerm *t) -{ - RunesWindowBackend *w = &t->w; - unsigned long mask; - void *data; - - XGetICValues(w->ic, XNFilterEvents, &mask, NULL); - XSelectInput( - w->dpy, w->w, - mask|KeyPressMask|ButtonPressMask|ButtonReleaseMask|ButtonMotionMask|PointerMotionHintMask|EnterWindowMask|LeaveWindowMask|StructureNotifyMask|ExposureMask|FocusChangeMask); - XSetICFocus(w->ic); - - data = malloc(sizeof(RunesXlibLoopData)); - ((RunesLoopData *)data)->req.data = data; - ((RunesLoopData *)data)->t = t; - - uv_queue_work( - t->loop, data, - runes_window_backend_get_next_event, - runes_window_backend_process_event); -} - -void runes_window_backend_request_flush(RunesTerm *t) -{ - XEvent e; - - e.xclient.type = ClientMessage; - e.xclient.window = t->w.w; - e.xclient.format = 32; - e.xclient.data.l[0] = t->w.atoms[RUNES_ATOM_RUNES_FLUSH]; - - XSendEvent(t->w.dpy, t->w.w, False, NoEventMask, &e); - XLockDisplay(t->w.dpy); - XFlush(t->w.dpy); - XUnlockDisplay(t->w.dpy); -} - -void runes_window_backend_request_visual_bell(RunesTerm *t) -{ - XEvent e; - - e.xclient.type = ClientMessage; - e.xclient.window = t->w.w; - e.xclient.format = 32; - e.xclient.data.l[0] = t->w.atoms[RUNES_ATOM_RUNES_VISUAL_BELL]; - - XSendEvent(t->w.dpy, t->w.w, False, NoEventMask, &e); - XLockDisplay(t->w.dpy); - XFlush(t->w.dpy); - XUnlockDisplay(t->w.dpy); -} - -void runes_window_backend_request_audible_bell(RunesTerm *t) -{ - XEvent e; - - e.xclient.type = ClientMessage; - e.xclient.window = t->w.w; - e.xclient.format = 32; - e.xclient.data.l[0] = t->w.atoms[RUNES_ATOM_RUNES_AUDIBLE_BELL]; - - XSendEvent(t->w.dpy, t->w.w, False, NoEventMask, &e); - XLockDisplay(t->w.dpy); - XFlush(t->w.dpy); - XUnlockDisplay(t->w.dpy); -} - -void runes_window_backend_request_close(RunesTerm *t) -{ - XEvent e; - - e.xclient.type = ClientMessage; - e.xclient.window = t->w.w; - e.xclient.message_type = t->w.atoms[RUNES_ATOM_WM_PROTOCOLS]; - e.xclient.format = 32; - e.xclient.data.l[0] = t->w.atoms[RUNES_ATOM_WM_DELETE_WINDOW]; - e.xclient.data.l[1] = CurrentTime; - - XSendEvent(t->w.dpy, t->w.w, False, NoEventMask, &e); -} - -void runes_window_backend_get_size(RunesTerm *t, int *xpixel, int *ypixel) -{ - cairo_surface_t *surface; - - surface = cairo_get_target(t->backend_cr); - *xpixel = cairo_xlib_surface_get_width(surface); - *ypixel = cairo_xlib_surface_get_height(surface); -} - -void runes_window_backend_set_icon_name(RunesTerm *t, char *name, size_t len) -{ - RunesWindowBackend *w = &t->w; - - XChangeProperty( - w->dpy, w->w, XA_WM_ICON_NAME, - w->atoms[RUNES_ATOM_UTF8_STRING], 8, PropModeReplace, - (unsigned char *)name, len); - XChangeProperty( - w->dpy, w->w, w->atoms[RUNES_ATOM_NET_WM_ICON_NAME], - w->atoms[RUNES_ATOM_UTF8_STRING], 8, PropModeReplace, - (unsigned char *)name, len); -} - -void runes_window_backend_set_window_title( - RunesTerm *t, char *name, size_t len) -{ - RunesWindowBackend *w = &t->w; - - XChangeProperty( - w->dpy, w->w, XA_WM_NAME, - w->atoms[RUNES_ATOM_UTF8_STRING], 8, PropModeReplace, - (unsigned char *)name, len); - XChangeProperty( - w->dpy, w->w, w->atoms[RUNES_ATOM_NET_WM_NAME], - w->atoms[RUNES_ATOM_UTF8_STRING], 8, PropModeReplace, - (unsigned char *)name, len); -} - -void runes_window_backend_cleanup(RunesTerm *t) -{ - RunesWindowBackend *w = &t->w; - XIM im; - - cairo_destroy(t->backend_cr); - im = XIMOfIC(w->ic); - XDestroyIC(w->ic); - XCloseIM(im); - XDestroyWindow(w->dpy, w->w); - XCloseDisplay(w->dpy); -} - -static void runes_window_backend_get_next_event(uv_work_t *req) -{ - RunesXlibLoopData *data; - - data = (RunesXlibLoopData *)req->data; - XNextEvent(data->data.t->w.dpy, &data->e); -} - -static void runes_window_backend_process_event(uv_work_t *req, int status) -{ - RunesXlibLoopData *data = req->data; - XEvent *e = &data->e; - RunesTerm *t = data->data.t; - RunesWindowBackend *w = &t->w; - int should_close = 0; - - UNUSED(status); - - if (!XFilterEvent(e, None)) { - switch (e->type) { - case KeyPress: { - char *buf = NULL; - size_t len = 8; - KeySym sym; - Status s; - size_t chars; - - buf = malloc(len); - - for (;;) { - chars = Xutf8LookupString( - w->ic, &e->xkey, buf, len - 1, &sym, &s); - if (s == XBufferOverflow) { - len = chars + 1; - buf = realloc(buf, len); - continue; - } - break; - } - - switch (s) { - case XLookupChars: - case XLookupBoth: - runes_pty_backend_write(t, buf, chars); - break; - case XLookupKeySym: { - struct function_key *key; - - if (t->application_keypad) { - if (t->application_cursor) { - key = &application_cursor_keys[0]; - while (key->sym != XK_VoidSymbol) { - if (key->sym == sym) { - break; - } - key++; - } - if (key->sym != XK_VoidSymbol) { - runes_pty_backend_write(t, key->str, key->len); - break; - } - } - key = &application_keypad_keys[0]; - while (key->sym != XK_VoidSymbol) { - if (key->sym == sym) { - break; - } - key++; - } - if (key->sym != XK_VoidSymbol) { - runes_pty_backend_write(t, key->str, key->len); - break; - } - } - key = &keys[0]; - while (key->sym != XK_VoidSymbol) { - if (key->sym == sym) { - break; - } - key++; - } - if (key->sym != XK_VoidSymbol) { - runes_pty_backend_write(t, key->str, key->len); - break; - } - break; - } - default: - break; - } - free(buf); - break; - } - case Expose: - runes_window_backend_flush(t); - break; - case ConfigureNotify: - while (XCheckTypedWindowEvent(w->dpy, w->w, ConfigureNotify, e)); - runes_window_backend_resize_window( - t, e->xconfigure.width, e->xconfigure.height); - break; - case FocusIn: - runes_window_backend_clear_urgent(t); - runes_display_focus_in(t); - runes_window_backend_flush(t); - break; - case FocusOut: - runes_display_focus_out(t); - runes_window_backend_flush(t); - break; - case ClientMessage: { - Atom a = e->xclient.data.l[0]; - if (a == w->atoms[RUNES_ATOM_WM_DELETE_WINDOW]) { - should_close = 1; - } - else if (a == w->atoms[RUNES_ATOM_NET_WM_PING]) { - e->xclient.window = DefaultRootWindow(w->dpy); - XSendEvent( - w->dpy, e->xclient.window, False, - SubstructureNotifyMask | SubstructureRedirectMask, - e - ); - } - else if (a == w->atoms[RUNES_ATOM_RUNES_FLUSH]) { - runes_window_backend_flush(t); - } - else if (a == w->atoms[RUNES_ATOM_RUNES_VISUAL_BELL]) { - cairo_pattern_t *white; - struct timespec tm = { 0, 20000000 }; - - runes_window_backend_set_urgent(t); - white = cairo_pattern_create_rgb(1.0, 1.0, 1.0); - cairo_set_source(t->backend_cr, white); - cairo_paint(t->backend_cr); - cairo_pattern_destroy(white); - cairo_surface_flush(cairo_get_target(t->backend_cr)); - XFlush(w->dpy); - nanosleep(&tm, NULL); - runes_window_backend_flush(t); - } - else if (a == w->atoms[RUNES_ATOM_RUNES_AUDIBLE_BELL]) { - XBell(w->dpy, 0); - } - break; - } - default: - break; - } - } - - if (!should_close) { - uv_queue_work( - t->loop, req, runes_window_backend_get_next_event, - runes_window_backend_process_event); - } - else { - runes_pty_backend_request_close(t); - free(req); - } -} - -static void runes_window_backend_resize_window( - RunesTerm *t, int width, int height) -{ - /* XXX no idea why shrinking the window dimensions to 0 makes xlib think - * that the dimension is 65535 */ - if (width < 1 || width >= 65535) { - width = 1; - } - if (height < 1 || height >= 65535) { - height = 1; - } - - if (width != t->xpixel || height != t->ypixel) { - cairo_xlib_surface_set_size( - cairo_get_target(t->backend_cr), width, height); - runes_display_set_window_size(t); - } -} - -static void runes_window_backend_flush(RunesTerm *t) -{ - cairo_set_source_surface(t->backend_cr, cairo_get_target(t->cr), 0.0, 0.0); - cairo_paint(t->backend_cr); - runes_window_backend_draw_cursor(t); - cairo_surface_flush(cairo_get_target(t->backend_cr)); -} - -static void runes_window_backend_draw_cursor(RunesTerm *t) -{ - if (!t->hide_cursor) { - cairo_save(t->backend_cr); - cairo_set_source(t->backend_cr, t->cursorcolor); - if (t->unfocused) { - cairo_set_line_width(t->backend_cr, 1); - cairo_rectangle( - t->backend_cr, - t->col * t->fontx + 0.5, t->row * t->fonty + 0.5, - t->fontx, t->fonty); - cairo_stroke(t->backend_cr); - } - else { - cairo_rectangle( - t->backend_cr, - t->col * t->fontx, t->row * t->fonty, - t->fontx, t->fonty); - cairo_fill(t->backend_cr); - } - cairo_restore(t->backend_cr); - } -} - -static void runes_window_backend_set_urgent(RunesTerm *t) -{ - XWMHints *hints; - - hints = XGetWMHints(t->w.dpy, t->w.w); - hints->flags |= XUrgencyHint; - XSetWMHints(t->w.dpy, t->w.w, hints); - XFree(hints); -} - -static void runes_window_backend_clear_urgent(RunesTerm *t) -{ - XWMHints *hints; - - hints = XGetWMHints(t->w.dpy, t->w.w); - hints->flags &= ~XUrgencyHint; - XSetWMHints(t->w.dpy, t->w.w, hints); - XFree(hints); -} diff --git a/window-xlib.h b/window-xlib.h deleted file mode 100644 index c7b8960..0000000 --- a/window-xlib.h +++ /dev/null @@ -1,46 +0,0 @@ -#ifndef _RUNES_WINDOW_XLIB_H -#define _RUNES_XLIB_H - -#include - -enum runes_atoms { - RUNES_ATOM_WM_DELETE_WINDOW, - RUNES_ATOM_NET_WM_PING, - RUNES_NUM_PROTOCOL_ATOMS, - RUNES_ATOM_NET_WM_PID = 2, - RUNES_ATOM_NET_WM_ICON_NAME, - RUNES_ATOM_NET_WM_NAME, - RUNES_ATOM_UTF8_STRING, - RUNES_ATOM_WM_PROTOCOLS, - RUNES_ATOM_RUNES_FLUSH, - RUNES_ATOM_RUNES_VISUAL_BELL, - RUNES_ATOM_RUNES_AUDIBLE_BELL, - RUNES_NUM_ATOMS -}; - -struct runes_window { - Display *dpy; - Window w; - XIC ic; - - Atom atoms[RUNES_NUM_ATOMS]; -}; - -typedef struct { - RunesLoopData data; - XEvent e; -} RunesXlibLoopData; - -void runes_window_backend_create_window(RunesTerm *t, int argc, char *argv[]); -void runes_window_backend_start_loop(RunesTerm *t); -void runes_window_backend_request_flush(RunesTerm *t); -void runes_window_backend_request_visual_bell(RunesTerm *t); -void runes_window_backend_request_audible_bell(RunesTerm *t); -void runes_window_backend_request_close(RunesTerm *t); -void runes_window_backend_get_size(RunesTerm *t, int *xpixel, int *ypixel); -void runes_window_backend_set_icon_name(RunesTerm *t, char *name, size_t len); -void runes_window_backend_set_window_title( - RunesTerm *t, char *name, size_t len); -void runes_window_backend_cleanup(RunesTerm *t); - -#endif -- cgit v1.2.3-54-g00ecf