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author | Jesse Luehrs <doy@tozt.net> | 2014-04-20 22:57:28 -0400 |
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committer | Jesse Luehrs <doy@tozt.net> | 2014-04-20 22:58:22 -0400 |
commit | d6f244f7d9f52462bafb608f23494707eeb24751 (patch) | |
tree | 8b2cab0559f4fce36b20896b24b38b54b6267400 /src | |
parent | 29f45358ccc638f7c2ce951e03d91bbd02d6a109 (diff) | |
download | runes-d6f244f7d9f52462bafb608f23494707eeb24751.tar.gz runes-d6f244f7d9f52462bafb608f23494707eeb24751.zip |
clean up the directory structure a bit
Diffstat (limited to 'src')
-rw-r--r-- | src/config.c | 248 | ||||
-rw-r--r-- | src/config.h | 6 | ||||
-rw-r--r-- | src/display.c | 563 | ||||
-rw-r--r-- | src/display.h | 39 | ||||
-rw-r--r-- | src/parser.c | 2776 | ||||
-rw-r--r-- | src/parser.h | 6 | ||||
-rw-r--r-- | src/parser.l | 676 | ||||
-rw-r--r-- | src/pty-unix.c | 138 | ||||
-rw-r--r-- | src/pty-unix.h | 17 | ||||
-rw-r--r-- | src/runes.c | 19 | ||||
-rw-r--r-- | src/runes.h | 35 | ||||
-rw-r--r-- | src/term.c | 33 | ||||
-rw-r--r-- | src/term.h | 63 | ||||
-rw-r--r-- | src/window-xlib.c | 532 | ||||
-rw-r--r-- | src/window-xlib.h | 46 |
15 files changed, 5197 insertions, 0 deletions
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 <stdio.h> +#include <stdlib.h> +#include <string.h> + +#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 <stdio.h> +#include <stdlib.h> +#include <string.h> + +#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 <stdio.h> +#include <string.h> +#include <errno.h> +#include <stdlib.h> + +/* end standard C headers. */ + +/* flex integer type definitions */ + +#ifndef FLEXINT_H +#define FLEXINT_H + +/* C99 systems have <inttypes.h>. 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 <inttypes.h> +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 <string.h> + +#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 <unistd.h> +#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 <string.h> + +#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; + +<<EOF>> 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 <fcntl.h> +#include <stdlib.h> +#include <string.h> +#include <sys/ioctl.h> +#include <unistd.h> + +#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 <locale.h> +#include <stdio.h> + +#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 <cairo.h> +#include <pango/pangocairo.h> +#include <uv.h> + +#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 <cairo-xlib.h> +#include <stdio.h> +#include <stdlib.h> +#include <time.h> +#include <unistd.h> +#include <X11/cursorfont.h> +#include <X11/Xlib.h> +#include <X11/Xatom.h> +#include <X11/Xutil.h> + +#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 <X11/Xlib.h> + +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 |