src/apc/parser.y

   1 /* Asset Package Compiler */
   2 %{
   3   #include <stdio.h>
   4   #include <string.h>
   5   #include <stdint.h>
   6   #include <dirent.h>
   7   #include <png.h>
   8   #include <apc/ir.h>
   9
  10   extern int lexer_init();
  11   extern int lexer();
  12   #define yylex lexer
  13
  14
  15   void yyerror();
  16 %}
  17 %define parse.error verbose
  18 %define lr.type ielr
  19 %define api.value.type union
  20 //operators
  21 %token         CLOPEN   // /
  22 %token         CLCLOSE  // \
  23 %token         SOPEN
  24 %token         SCLOSE
  25 %token         EOPEN
  26 %token         ECLOSE
  27 %token         VOPEN
  28 %token         VCLOSE
  29
  30 %token         QOPEN     //!
  31 %token         QCLOSE    //#
  32 %token         RT     //*
  33 %token         HB
  34 %token         MOD
  35 %token         SET
  36 %token         FS
  37 %token         ELE
  38 //nonterminal types
  39 %type <uint64_t> olink
  40 %type <uint64_t> ele_svlink
  41 %type <uint64_t> set_svlink
  42 //terminals
  43 %token <int> NUM
  44 %token <char*> STR
  45 %token <int> SS
  46 %token <char*> NAME
  47 %token <uint64_t> REF
  48 %token <int> SSD
  49 %token <void*> FPTR
  50 %token <int> WIDTH
  51 %token <int> HEIGHT
  52 %token <int> NUM_PTRS
  53 //precedence
  54 %precedence LP
  55 %precedence MP
  56 %precedence HP
  57
  58  /* Syntax Directed Translation Scheme of the APC grammar */
  59
  60 /* Rules */
  61 %%
  62 cdat_buf:
  63 class_list
  64 ;
  65
  66 class_list:
  67 class_list class
  68 | class
  69 ;
  70
  71 class:
  72 NAME CLOPEN {push_cdat($1);} class_block CLCLOSE              {pop_cdat();};
  73 ;
  74
  75 class_block:
  76 class_list
  77 | class_list set_list
  78 | set_list
  79 ;
  80
  81 set_list:
  82 set_list set
  83 | set
  84 ;
  85
  86 root:
  87 RT NUM NUM NUM                                                {insert_root($2, $3, $4);};
  88 ;
  89
  90 quad_list:
  91 quad_list quad
  92 | quad
  93 ;
  94
  95 quad:
  96 QOPEN NUM NUM NUM REF QCLOSE                                  {insert_quad($2, $3, $4, $5);};
  97
  98 hitbox:
  99 HB NUM                                                        {insert_hitbox($2);}
 100 ;
 101
 102 set_map_data:
 103 quad_list
 104 | quad_list hitbox
 105 | quad_list hitbox root
 106 | hitbox root
 107 | hitbox
 108 | root
 109 ;
 110
 111 set:
 112 SOPEN set_label element_list set_map_data vdat SCLOSE                           {insert_set(); insert_vdat();};
 113 | SOPEN set_label element_list set_map_data set_vlink SCLOSE                    {insert_set();};
 114 | SOPEN set_label element_list set_map_data set_svlink SCLOSE                   {insert_set_svlink($5); insert_set(); };
 115 | SOPEN set_label element_list vdat SCLOSE                                      {insert_set(); insert_vdat();};
 116 | SOPEN set_label element_list set_vlink SCLOSE                                 {insert_set(); }
 117 | SOPEN set_label element_list set_svlink  SCLOSE                               {insert_set_svlink($4); insert_set();};
 118 | SOPEN olink SCLOSE                                                            {insert_set_olink($2);};
 119 ;
 120
 121
 122 set_label:
 123 HP NAME REF                                                 {insert_set_label($2,$3);};
 124 | LP NAME                                                    {insert_set_label($2, -1);};
 125 ;
 126
 127 set_svlink:
 128 REF
 129 ;
 130
 131 set_vlink:
 132 REF NAME                                                       {insert_set_vlink($1, $2);};
 133 ;
 134
 135 olink:
 136 REF
 137 ;
 138
 139 //parent_id is the set_index of the subclass_index.
 140 element_list:
 141 element_list element MP
 142 | element LP
 143 ;
 144
 145 ele_label:
 146 HP NAME REF                                                                  {insert_ele_label($2, $3);};
 147 | LP NAME                                                                     {insert_ele_label($2, -1);};
 148 ;
 149
 150 ele_vlink:
 151 REF NAME                                                                       {insert_ele_vlink($1, $2);};
 152 ;
 153
 154 ele_svlink:
 155 REF
 156 ;
 157
 158 element:
 159 EOPEN ele_label hitbox root vdat ECLOSE                                        {insert_ele(); insert_vdat();};
 160 | EOPEN ele_label hitbox root ele_vlink ECLOSE                                 {insert_ele(); };
 161 | EOPEN ele_label hitbox root ele_svlink ECLOSE                                {insert_ele_svlink($5);insert_ele(); };
 162 | EOPEN ele_label root vdat ECLOSE                                             {insert_ele(); insert_vdat();};
 163 | EOPEN ele_label root ele_vlink ECLOSE                                        {insert_ele(); };
 164 | EOPEN ele_label root ele_svlink ECLOSE                                       {insert_ele_svlink($4); insert_ele(); };
 165 | EOPEN olink ECLOSE                                                           {insert_ele_olink($2);};
 166 ;
 167
 168 vdat:
 169 VOPEN model_list VCLOSE
 170 ;
 171
 172 model_list:
 173 model_list model
 174 | model
 175 ;
 176
 177 model:
 178 spritesheet LP
 179 ;
 180
 181 spritesheet:
 182 spritesheet HP framesheet
 183 | framesheet
 184 ;
 185
 186 framesheet:
 187 SSD NAME REF HEIGHT WIDTH NUM_PTRS frame_pointers LP                         {insert_framesheet($1, $2, $3, $4, $5, $6);};
 188 ;
 189
 190 frame_pointers:
 191 frame_pointers SSD HP FPTR                                           {insert_frame_pointer($2, $4);};
 192 | SSD FPTR                                                        {insert_frame_pointer($1, $2);};
 193 ;
 194
 195 %%
 196
 197 void
 198 yyerror (char const *s)
 199 { fprintf(stderr, "%s\n", s);
 200 }