parser wip

[henge/webcc.git] / src / parser.y

diff --git a/src/parser.y b/src/parser.y
index 8a1db87..c16dc18 100644 (file)
--- a/src/parser.y
+++ b/src/parser.y
@@ -6,7 +6,7 @@
   #include "sprite.h"
   #include "symbol.h"
   #include <png.h>
-
+  #include "ir.h"
 
   extern int lexer_init();
   extern int lexer();
@@ -18,82 +18,154 @@
 %define parse.error verbose
 %define lr.type ielr
 %define api.value.type union
-%token <int>   NUM
 %token <char*> WORD
 //operators
-%token         PROTOCLASS //+
-%token         SIBS       //|
-%token         FNAME      //!
- //nonterminal types
-%type <int>    fd
-%type <int*>   fdlist
-
-/* %token <str> EXT */
-/* %token <str> FW */
-/* %token <str> SPR */
-/* %token CC */
-/*  /\* Rules *\/ */
-/* %% */
-/* SS: SPR '/' MD '.' EXT */
-/* MD: CC '_' FW */
-/* | FW */
-/* | CC */
+%token         CLOPEN   // /
+%token         CLCLOSE  // \
+%token         RLS     //!
+%token         RLE    //#
+%token         RT     //*
+%token         HB
+//nonterminal types
+%type <int> element
+%type <int> vdat
+%type <str> elem_label
+//terminals
+%token <int> NUM
+%token <int> fd
+%token <str> STR
+%token <int> VAR
+%token <int> SS
+//precedence
+%right LOW HIGH
+
+/* Syntax Directed Translation Scheme of the APC grammar */
+
 
 /* Rules */
 %%
+output:
+class_list                   {condense();} //Seperate file?
+;
 
-object_defs:
-  %empty
-| arch_id object_defs
+class_list:
+class_list class             {cbi++;};
+| class
 ;
 
-arch_id:
-  archetype
-| arch_id_ref
+class_label:
+STR
 ;
 
-arch_id_list:
-  arch_id
-| arch_id arch_id_list
+class:
+class_label CLOPEN class_closure CLCLOSE {CB[cbi].label = $1;};
 ;
 
-archetype:
-  PROTOCLASS label arch_id_list SIBS arch_id_list
-| PROTOCLASS label arch_id_list
-| label arch_id_ref vdat
+class_closure:
+subclass_list
+| subclass_list set_list
+| set_list
 ;
 
-label:
-  WORD
+subclass_list:
+subclass_list class           {CB[cbi].subclass_index++;};
+| class
+;
+
+set_list:
+set_list set                  {CB[cbi].set_index++;};
+| set
+;
+
+
+//set needs a label, vdat_id.
+set:
+set_map_data element_list     {insert_set();};
+| element_list
+;
+
+
+//TODO: Figure out what to do with hitbox and root. 
+set_map_data:
+ref_list                      {};
+| ref_list hitbox
+| ref_list hitbox root
+| hitbox root
+| hitbox
+| root
+;
+
+ref_list:
+RLS quads RLE
+;
+
+quads:
+quads quad                    {OB[obi].ref_index++;OB[obi].num_ref++;};
+| quad
+;
+
+quad:
+NUM NUM NUM NUM               {insert_ref($1, $2, $3, $4);};
 ;
 
-arch_id_ref:
-  NUM
+hitbox:
+HB NUM
+;
+
+root:
+RT NUM NUM NUM
+;
+
+//parent_id is the set_index of the subclass_index.
+element_list:
+element_list element          {CB[cbi].set_stack[stack_index].num_ele++;};
+| element
+;
+
+element:
+set_label elem_label vdat     {insert_ele($2,$3); vbi++;};
+;
+
+set_label:
+  STR
+;
+
+elem_label:
+  STR
 ;
 
 vdat:
-  spritesheet
+vdat model                    {VB[vbi].num_models++;};
+| model
 ;
 
-spritesheet:
-  fdlist
+model:
+model fdat
+| fdat
 ;
 
-fdlist:
-  fd
-| fd fdlist
+fdat:
+label SS FNAME                {insert_fdat($1, $2, $3);};
 ;
 
-fd:
-  FNAME WORD
-| NUM;
-%%
+label:
+STR
+;
 
+ref:
+NUM
+;
+
+FNAME:
+STR
+;
+
+%%
 int
-main(int argc, char** argv)
-{ /* Parse cmd line arguments */
+main (argc, argv)
+{
   lexer_init();
-  yyparse(); /* runs handle_fname for each filename */
+  yyparse();
   return 0;
 }