src/parser.y

   1 /* Asset Package Compiler */
   2 %code requires  {
   3   #include <unitypes.h>
   4 }
   5
   6 %{
   7   #include <stdio.h>
   8   #include <string.h>
   9   #include <dirent.h>
  10   #include <unitypes.h>
  11   extern int lexer_init(); //?
  12   extern int lexer(); //?
  13   extern void pop_cdat(void);
  14   extern void push_cdat(uint8_t*);
  15   extern void insert_vdat(void);
  16   extern void insert_refid(int);
  17   extern void insert_set_name(uint8_t*);
  18   extern void insert_set_namelist(uint8_t*);
  19   extern void insert_link_name(uint8_t*);
  20   extern void insert_map(uint8_t*,int, int, int, int, uint8_t*);
  21   extern void insert_mlink(uint8_t*, int);
  22   extern void insert_vlink(uint8_t*, int);
  23   extern void insert_framesheet(uint8_t* ,int, int, int,int, uint8_t*);
  24
  25   #define yylex lexer
  26
  27
  28   void yyerror();
  29 %}
  30 %define parse.error verbose
  31 %define lr.type ielr
  32
  33 %union {
  34   long long ref;
  35   int val;
  36   uint8_t* str;
  37   void *voidp;
  38 }
  39
  40  //operators
  41 %token         CLOPEN    // (
  42 %token         CLCLOSE   // )
  43 %token         MOPEN     // ~
  44 %token         HB
  45 %token         ROOT
  46 %token         SS
  47 %token         LINK      //#
  48 %token         SCLOSE
  49 %token         CHILD
  50 //terminals
  51 %token <val> NUM
  52 %token <str> PATH
  53 %token <ref> REF
  54 %token <val> HEIGHT
  55 %token <val> WIDTH
  56 %token <val> D
  57 %token <str> NAME
  58  /* Syntax Directed Translation Scheme of the APC grammar */
  59
  60 /* Rules */
  61 %%
  62 cdat_buf:
  63 class_block
  64 ;
  65
  66 class:
  67 NAME CLOPEN {push_cdat($1);} class_block CLCLOSE              {pop_cdat();};
  68 ;
  69
  70 class_list:
  71 class_list class
  72 | class
  73 ;
  74
  75 class_block:
  76 class_list
  77 | class_list statement_list
  78 | statement_list
  79 ;
  80
  81 statement_list:
  82 statement_list statement
  83 | statement
  84 ;
  85
  86 statement:
  87 vdat_statement
  88 | map_statement
  89 | ref_statement
  90 | olink
  91 ;
  92
  93 ref_statement:
  94 set_namelist REF                                  {insert_refid($2);};
  95 ;
  96
  97 link_namelist:
  98 link_namelist NAME                                {insert_link_name($2);};
  99 | NAME                                            {};
 100 ;
 101
 102
 103 set_namelist:
 104 set_namelist NAME                                     {insert_set_name($2);};
 105 | NAME                                             {insert_set_namelist($1);};
 106 ;
 107
 108 map_statement:
 109 set_namelist MOPEN map
 110 | set_namelist MOPEN mlink
 111 ;
 112
 113 map:
 114 NAME NUM NUM PATH                            {insert_map($1,  0, $3,  0,  0,  $4);};
 115 | NAME PATH                                  {insert_map($1,  0,  0,  0,  0,  $2);};
 116 | NAME D PATH                                {insert_map($1, $2,  0,  0,  0,  $3);};
 117 | NAME D NUM NUM PATH                        {insert_map($1, $2, $3, $4,  0,  $5);};
 118 | NAME NUM NUM REF PATH                   {insert_map($1,  0, $2, $3, $4,  $5);};
 119 | NAME REF PATH                           {insert_map($1,  0,  0,  0, $2,  $3);};
 120 | NAME D REF PATH                         {insert_map($1, $2,  0,  0, $3,  $4);};
 121 | NAME D NUM NUM REF PATH                 {insert_map($1, $2, $3, $4, $5,  $6);};
 122 ;
 123
 124 //shift list_namelist name > reduce mlink
 125 mlink:
 126 MOPEN LINK NAME LINK link_namelist PATH    {insert_mlink($3, 0);     };
 127 | MOPEN LINK link_namelist PATH            {insert_mlink(NULL, 0);   };
 128 | MOPEN LINK REF PATH                      {insert_mlink(NULL, $3);  };
 129 | MOPEN LINK NAME LINK REF PATH            {insert_mlink($3,$5);     };
 130 ;
 131
 132 //shift list_namelist name > reduce vlink
 133 vlink:
 134 LINK NAME LINK link_namelist PATH             {insert_vlink($2, 0); };
 135 | LINK link_namelist PATH                     {insert_vlink(NULL, 0);};
 136 | LINK REF PATH                               {insert_vlink(NULL, $2);};//vdat of ref
 137 | LINK NAME LINK REF PATH                     {insert_vlink($2, $4);};//modelname of ref
 138 ;
 139
 140
 141 olink:
 142 set_namelist MOPEN REF
 143 ;
 144
 145 vdat_statement:
 146 set_namelist SS spritesheet_statement
 147 | set_namelist SS vlink
 148 ;
 149
 150 spritesheet_statement:
 151 NAME D HEIGHT WIDTH PATH                     {insert_framesheet($1, $2, $3, $4, 0, $5);};
 152 | NAME D PATH                                {insert_framesheet($1, $2, 0, 0, 0, $3);};
 153 | NAME HEIGHT WIDTH PATH                     {insert_framesheet($1, 0, $2, $3, 0, $4);};
 154 | NAME PATH                                  {insert_framesheet($1, 0, 0, 0, 0, $2);};
 155 | NAME D HEIGHT WIDTH REF PATH            {insert_framesheet($1, $2, $3, $4, $5, $6);};
 156 | NAME D REF PATH                         {insert_framesheet($1, $2, 0, 0, $3, $4);};
 157 | NAME HEIGHT WIDTH REF PATH              {insert_framesheet($1, 0, $2, $3, $4, $5);};
 158 | NAME REF PATH                           {insert_framesheet($1, 0, 0, 0, $2, $3);};
 159 ;
 160
 161 %%
 162
 163 void
 164 yyerror (char const *s)
 165 { fprintf(stderr, "%s\n", s);
 166 }