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|
%{
#include "AppHdr.h"
#include "libutil.h"
#include "levcomp.h"
int yylex();
extern int yylineno;
void yyerror(const char *e)
{
fprintf(stderr, "%s:%d: %s\n", lc_desfile.c_str(), yylineno, e);
// Bail bail bail.
exit(1);
}
%}
%union
{
int i;
const char *text;
}
%token <i> BRANCHDEF BRANCH DESC DEFAULT
%token <i> DEFAULT_DEPTH SYMBOL TAGS
%token <i> NAME DEPTH ORIENT PLACE CHANCE FLAGS MONS
%token <i> ROOT_DEPTH ENTRY_MSG EXIT_MSG
%token <i> ROCK_COLOUR FLOOR_COLOUR
%token <i> ENCOMPASS FLOAT
%token <i> NORTH EAST SOUTH WEST
%token <i> NORTHEAST SOUTHEAST SOUTHWEST NORTHWEST
%token <i> LEVEL END PVAULT PMINIVAULT MONSTERS ENDMONSTERS
%token <i> CHARACTER
%token <i> NO_HMIRROR NO_VMIRROR NO_ROTATE
%token <i> PANDEMONIC
%token <i> DASH COMMA QUOTE OPAREN CPAREN
%token <i> INTEGER
%type <i> orient_name flagname
%token <text> STRING MAP_LINE MONSTER_NAME
%token <text> IDENTIFIER
%%
file : definitions { }
;
definitions : /* empty */ {}
| definition definitions {}
;
definition : def {}
| level {}
;
def : defdepth
;
defdepth : DEFAULT_DEPTH depth_range
{
lc_default_depth = lc_range;
}
;
level : name metalines map_def metalines
{
if (lc_map.orient == MAP_FLOAT
|| lc_map.is_minivault())
{
if (lc_map.map.width() > GXM - MAPGEN_BORDER * 2
|| lc_map.map.height() > GYM - MAPGEN_BORDER * 2)
{
char buf[300];
snprintf(buf, sizeof buf,
"%s is too big: %dx%d - max %dx%d",
lc_map.is_minivault()? "Minivault" : "Float",
lc_map.map.width(), lc_map.map.height(),
GXM - MAPGEN_BORDER * 2,
GYM - MAPGEN_BORDER * 2);
yyerror(buf);
}
}
else
{
if (lc_map.map.width() > GXM
|| lc_map.map.height() > GYM)
{
char buf[300];
snprintf(buf, sizeof buf,
"Map is too big: %dx%d - max %dx%d",
lc_map.map.width(), lc_map.map.height(),
GXM, GYM);
yyerror(buf);
}
}
if (lc_map.map.height() == 0)
yyerror("Must define map.");
add_parsed_map( lc_map );
}
;
name : NAME STRING
{
lc_map.init();
lc_map.depth = lc_default_depth;
lc_map.name = $2;
}
;
metalines : /* no metadata */
| metaline metalines
;
metaline : place
| depth
| chance
| orientation
| flags
| mons
| symbol
| tags
;
tags : TAGS tagstrings {}
;
tagstrings : /* empty */
| STRING tagstrings
{
lc_map.tags += " ";
lc_map.tags += $1;
lc_map.tags += " ";
}
;
symbol : SYMBOL {}
| SYMBOL STRING
{
lc_map.random_symbols = $2;
}
;
mons : MONS {}
| MONS mnames {}
;
mnames : mname COMMA mnames
| mname
;
mname : MONSTER_NAME
{
bool recognised = lc_map.mons.add_mons($1);
if (!recognised)
{
char buf[300];
snprintf(buf, sizeof buf, "unknown monster '%s'",
$1);
yyerror(buf);
}
}
;
place : PLACE STRING
{
lc_map.place = $2;
}
;
depth : DEPTH {}
| DEPTH depth_range
{
lc_map.depth = lc_range;
}
;
depth_range : INTEGER DASH INTEGER
{
lc_range.set($1, $3);
}
| INTEGER
{
lc_range.set($1);
}
;
chance : CHANCE INTEGER
{
lc_map.chance = $2;
}
;
orientation : ORIENT {}
| ORIENT orient_name
{
lc_map.orient = (map_section_type) $2;
}
;
orient_name : ENCOMPASS { $$ = MAP_ENCOMPASS; }
| NORTH { $$ = MAP_NORTH; }
| EAST { $$ = MAP_EAST; }
| SOUTH { $$ = MAP_SOUTH; }
| WEST { $$ = MAP_WEST; }
| NORTHEAST { $$ = MAP_NORTHEAST; }
| SOUTHEAST { $$ = MAP_SOUTHEAST; }
| SOUTHWEST { $$ = MAP_SOUTHWEST; }
| NORTHWEST { $$ = MAP_NORTHWEST; }
| FLOAT { $$ = MAP_FLOAT; }
;
flags : FLAGS flagnames {}
;
flagnames : /* empty */
| flagname flagnames
{
switch ($1) {
case NO_HMIRROR:
lc_map.flags &= ~MAPF_MIRROR_HORIZONTAL;
break;
case NO_VMIRROR:
lc_map.flags &= ~MAPF_MIRROR_VERTICAL;
break;
case NO_ROTATE:
lc_map.flags &= ~MAPF_ROTATE;
break;
}
}
;
flagname : NO_HMIRROR { $$ = NO_HMIRROR; }
| NO_VMIRROR { $$ = NO_VMIRROR; }
| NO_ROTATE { $$ = NO_ROTATE; }
;
map_def : map_lines
;
map_lines : map_line
| map_line map_lines
;
map_line : MAP_LINE
{
lc_map.map.add_line($1);
}
;
%%
|
