1 /* Asset Package Compiler */
7 typedef struct class_state_t yycstate;
8 struct frame_spec_t { apc_facing d; int w, h; };
11 yycstate* yycstate_new(void);
12 void yycstate_delete(yycstate*);
21 struct class_state_t {
23 ir_class class_stack[];
26 extern long sys_pagesize;
28 static void yyerror(yycstate*, char const*);
29 static inline ir_class yyclass_push(yycstate*, ir_class);
30 static inline ir_class yyclass_pop(yycstate*);
31 /* Stack-based class handler */
32 #define yyclass(CS) (*(CS->csp))
33 #define yyclassld(CS) (ir_classld_from_class(yyclass(CS)))
35 %define parse.error verbose
36 %define parse.lac full
39 %define api.push-pull push
40 %parse-param {yycstate* cs}
50 struct frame_spec_t frame_spec;
68 %type<ld> set_ld set_link
69 %type<frame_spec> frame_spec
71 /* Syntax Directed Translation Scheme of the APC grammar */
74 | class_list statement_list
84 NAME CLOPEN { yyclass_push(cs,ir_class_addchild(yyclass(cs), $1)); }
86 CLCLOSE { yyclass_pop(cs); }
90 statement_list statement
95 set_spec data_spec REF PATH { ir_data_assign_path($2,$4); ir_set_assign_data($1,$2); ir_set_assign_ref($1,$3); }
96 | set_spec data_spec PATH { ir_data_assign_path($2,$3); ir_set_assign_data($1,$2); }
97 | set_spec REF PATH { ir_set_assign_ref($1,$2); }
101 SS NAME frame_spec { $$ = ir_framesheet($2,$3.d,$3.w,$3.h); }
102 | MAP NAME frame_spec { $$ = ir_mapsheet($2,$3.d,$3.w,$3.h); }
103 | AUDIO NAME { $$ = ir_audio($2); }
104 | LINK set_ld { $$ = ir_link(OLINK, $2, NULL); }
105 | LINK set_ld MAP { $$ = ir_link(MLINK, $2,NULL); }
106 | LINK set_ld MAP NAME { $$ = ir_link(MLINK, $2,$4); }
107 | LINK set_ld SS { $$ = ir_link(VLINK, $2,NULL); }
108 | LINK set_ld SS NAME { $$ = ir_link(VLINK, $2,$4); }
109 | LINK set_ld AUDIO { $$ = ir_link(ALINK, $2,NULL); }
110 | LINK set_ld AUDIO NAME { $$ = ir_link(ALINK, $2,$4); }
114 set_spec NAME { $$ = ir_set_addchild($1,$2); }
115 | NAME { $$ = ir_class_addset(yyclass(cs),$1); }
119 set_link NAME { $$ = ir_setld_addchild($1,$2); }
120 | NAME { $$ = ir_setld_from_classld(yyclassld(cs),$1); }
124 set_link { $$ = $1; }
125 | REF { $$ = ir_setld_from_ref($1); }
129 NUM NUM { $$ = (struct frame_spec_t) {SFACE,$1,$2}; }
130 | FACING { $$ = (struct frame_spec_t) {$1,0,0}; }
131 | FACING NUM NUM { $$ = (struct frame_spec_t) {$1,$2,$3}; }
132 | %empty { $$ = (struct frame_spec_t) {SFACE,0,0}; }
143 for (iter = cs->class_stack; iter < cs->csp; iter++)
144 fprintf(stderr, "%s/", ir_class_name(*iter));
145 fprintf(stderr, "\n\t");
146 fprintf(stderr, "%s\n", s);
149 yycstate* yycstate_new
151 { yycstate* class_state;
152 class_state = (yycstate*) malloc((size_t) sys_pagesize);
153 if(class_state == NULL)
154 { yyerror(class_state, "Memory allocation error.");
157 class_state->csp = class_state->class_stack;
158 *(class_state->csp) = ir_class_root();
166 return *(cs->csp + 1);
170 ir_class yyclass_push
174 { return *++(cs->csp) = class; }
177 ( yycstate* class_state )
178 { free(class_state); }