X-Git-Url: https://www.kengrimes.com/gitweb/?p=henge%2Fapc.git;a=blobdiff_plain;f=src%2Fparser.y;h=e1fe89651eb15c4f9f1878f5f5351b602ffe4e86;hp=959890df0f4a25c93beb93e4e0ffe9f098681122;hb=fc6b15eee27f77e01ed4a24bc11e7bfa5a812342;hpb=05fe1bb311ac82279ed19270b3a834f623de3004

diff --git a/src/parser.y b/src/parser.y
index 959890d..e1fe896 100644
--- a/src/parser.y
+++ b/src/parser.y
@@ -31,16 +31,18 @@
   /* Stack-based class handler */
   #define yyclass(CS)   (*(CS->csp))
   #define yyclassld(CS) (ir_classld_from_class(yyclass(CS)))
+  #define DEFAULT_VARIANT "default"
 }
 %define parse.error verbose
+%define parse.lac full
 %define lr.type ielr
 %define api.pure full
 %define api.push-pull push
 %parse-param {yycstate* cs}
 %union {
-  long long  ref;
+  uint32_t   ref;
   int        val;
-  apc_facing  face;
+  apc_facing face;
   uint8_t*   str;
   ir_class   class;
   ir_set     set;
@@ -83,6 +85,7 @@ class:
   NAME CLOPEN   { yyclass_push(cs,ir_class_addchild(yyclass(cs), $1)); }
   progn
   CLCLOSE       { yyclass_pop(cs); }
+| CLCLOSE       { yyclass_pop(cs); }
 ;
 
 statement_list:
@@ -98,15 +101,17 @@ statement:
 
 data_spec:
   SS NAME frame_spec     { $$ = ir_framesheet($2,$3.d,$3.w,$3.h); }
+| SS frame_spec          { $$ = ir_framesheet(DEFAULT_VARIANT,$2.d,$2.w,$2.h); }
 | MAP NAME frame_spec    { $$ = ir_mapsheet($2,$3.d,$3.w,$3.h); }
+| MAP frame_spec         { $$ = ir_mapsheet(DEFAULT_VARIANT,$2.d,$2.w,$2.h); }
 | AUDIO NAME             { $$ = ir_audio($2); }
-| LINK set_ld            { $$ = ir_link_odat($2); }
-| LINK set_ld MAP        { $$ = ir_link_mdat($2,NULL); }
-| LINK set_ld MAP NAME   { $$ = ir_link_mdat($2,$4); }
-| LINK set_ld SS         { $$ = ir_link_vdat($2,NULL); }
-| LINK set_ld SS NAME    { $$ = ir_link_vdat($2,$4); }
-| LINK set_ld AUDIO      { $$ = ir_link_adat($2,NULL); }
-| LINK set_ld AUDIO NAME { $$ = ir_link_adat($2,$4); }
+| LINK set_ld            { $$ = ir_link(OLINK, $2, NULL); }
+| LINK set_ld MAP        { $$ = ir_link(MLINK, $2,NULL); }
+| LINK set_ld MAP NAME   { $$ = ir_link(MLINK, $2,$4); }
+| LINK set_ld SS         { $$ = ir_link(VLINK, $2,NULL); }
+| LINK set_ld SS NAME    { $$ = ir_link(VLINK, $2,$4); }
+| LINK set_ld AUDIO      { $$ = ir_link(ALINK, $2,NULL); }
+| LINK set_ld AUDIO NAME { $$ = ir_link(ALINK, $2,$4); }
 ;
 
 set_spec:
@@ -128,6 +133,7 @@ frame_spec:
   NUM NUM                { $$ = (struct frame_spec_t) {SFACE,$1,$2}; }
 | FACING                 { $$ = (struct frame_spec_t) {$1,0,0}; }
 | FACING NUM NUM         { $$ = (struct frame_spec_t) {$1,$2,$3}; }
+| %empty                 { $$ = (struct frame_spec_t) {SFACE,0,0}; }
 ;
 
 %%
@@ -137,7 +143,13 @@ void yyerror
 ( yycstate* cs,
   char const *s
 )
-{ fprintf(stderr, "%s\n", s); }
+{ ir_class* iter;
+  fprintf(stderr, "[class->");
+  for (iter = cs->class_stack; iter < cs->csp; iter++)
+    fprintf(stderr, "%s/", ir_class_name(*iter));
+  fprintf(stderr, "]\n\t");
+  fprintf(stderr, "%s\n", s);
+}
 
 yycstate* yycstate_new
 ( void )
@@ -147,24 +159,24 @@ yycstate* yycstate_new
     { yyerror(class_state, "Memory allocation error.");
       return NULL;
     }
-  class_state->csp = &class_state->class_stack[0];
-  yyclass_push(class_state, ir_class_root());
+  class_state->csp = class_state->class_stack;
+  *(class_state->csp) = ir_class_root();
   return class_state;
 }
 
 static inline
 ir_class yyclass_pop
 ( yycstate* cs )
-{ return *(cs->csp)--; }
+{ cs->csp--;
+  return *(cs->csp + 1);
+}
 
 static inline
 ir_class yyclass_push
 ( yycstate* cs,
   ir_class class
 )
-{ *++cs->csp = class;
-  return class;
-}
+{ return *++(cs->csp) = class; }
 
 void yycstate_delete
 ( yycstate* class_state )