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 //nonterminals
  59 %type <val> ref_id
  60  /* Syntax Directed Translation Scheme of the APC grammar */
  61
  62 /* Rules */
  63 %%
  64 cdat_buf:
  65 class_block
  66 ;
  67
  68 class:
  69 NAME CLOPEN {push_cdat($1);} class_block CLCLOSE              {pop_cdat();};
  70 ;
  71
  72 class_list:
  73 class_list class
  74 | class
  75 ;
  76
  77 class_block:
  78 class_list
  79 | class_list statement_list
  80 | statement_list
  81 ;
  82
  83 statement_list:
  84 statement_list statement
  85 | statement
  86 ;
  87
  88 statement:
  89 vdat_statement
  90 | map_statement
  91 | ref_statement
  92 | olink
  93 ;
  94
  95 ref_statement:
  96 set_namelist ref_id                                  {insert_refid($2);};
  97 ;
  98
  99 link_namelist:
 100 link_namelist NAME                                {insert_link_name($2);};
 101 | NAME                                            {};
 102 ;
 103
 104
 105 set_namelist:
 106 set_namelist NAME                                     {insert_set_name($2);};
 107 | NAME                                             {insert_set_namelist($1);};
 108 ;
 109
 110 map_statement:
 111 set_namelist MOPEN map
 112 | set_namelist MOPEN mlink
 113 ;
 114
 115 map:
 116 NAME NUM NUM PATH                            {insert_map($1,  0, $3,  0,  0,  $4);};
 117 | NAME PATH                                  {insert_map($1,  0,  0,  0,  0,  $2);};
 118 | NAME D PATH                                {insert_map($1, $2,  0,  0,  0,  $3);};
 119 | NAME D NUM NUM PATH                        {insert_map($1, $2, $3, $4,  0,  $5);};
 120 | NAME NUM NUM ref_id PATH                   {insert_map($1,  0, $2, $3, $4,  $5);};
 121 | NAME ref_id PATH                           {insert_map($1,  0,  0,  0, $2,  $3);};
 122 | NAME D ref_id PATH                         {insert_map($1, $2,  0,  0, $3,  $4);};
 123 | NAME D NUM NUM ref_id PATH                 {insert_map($1, $2, $3, $4, $5,  $6);};
 124 ;
 125
 126 //shift list_namelist name > reduce mlink
 127 mlink:
 128 MOPEN LINK NAME LINK link_namelist PATH    {insert_mlink($3, 0);     };
 129 | MOPEN LINK link_namelist PATH            {insert_mlink(NULL, 0);   };
 130 | MOPEN LINK ref_id PATH                   {insert_mlink(NULL, $3);  };
 131 | MOPEN LINK NAME LINK ref_id PATH         {insert_mlink($3,$5);     };
 132 ;
 133
 134 //shift list_namelist name > reduce vlink
 135 vlink:
 136 LINK NAME LINK link_namelist PATH             {insert_vlink($2, 0); };
 137 | LINK link_namelist PATH                     {insert_vlink(NULL, 0);};
 138 | LINK REF PATH                               {insert_vlink(NULL, $2);};//vdat of ref
 139 | LINK NAME LINK REF PATH                     {insert_vlink($2, $4);};//modelname of ref
 140 ;
 141
 142
 143 olink:
 144 set_namelist MOPEN REF
 145 ;
 146
 147 ref_id:
 148 LINK REF                                            {$$ = $2;};
 149 ;
 150
 151
 152 vdat_statement:
 153 set_namelist SS spritesheet_statement
 154 | set_namelist SS vlink
 155 ;
 156
 157 spritesheet_statement:
 158 NAME D HEIGHT WIDTH PATH                     {insert_framesheet($1, $2, $3, $4, 0, $5);};
 159 | NAME D PATH                                {insert_framesheet($1, $2, 0, 0, 0, $3);};
 160 | NAME HEIGHT WIDTH PATH                     {insert_framesheet($1, 0, $2, $3, 0, $4);};
 161 | NAME PATH                                  {insert_framesheet($1, 0, 0, 0, 0, $2);};
 162 | NAME D HEIGHT WIDTH ref_id PATH            {insert_framesheet($1, $2, $3, $4, $5, $6);};
 163 | NAME D ref_id PATH                         {insert_framesheet($1, $2, 0, 0, $3, $4);};
 164 | NAME HEIGHT WIDTH ref_id PATH              {insert_framesheet($1, 0, $2, $3, $4, $5);};
 165 | NAME ref_id PATH                           {insert_framesheet($1, 0, 0, 0, $2, $3);};
 166 ;
 167
 168 %%
 169
 170 void
 171 yyerror (char const *s)
 172 { fprintf(stderr, "%s\n", s);
 173 }