src/mesa/shader/slang/library/gc_to_bin.c

   1 #include "../../grammar/grammar_crt.h"
   2 #include "../../grammar/grammar_crt.c"
   3 #include <stdlib.h>
   4 #include <stdio.h>
   5
   6 static const char *slang_shader_syn =
   7 #include "slang_shader_syn.h"
   8 ;
   9
  10 static int gc_to_bin (grammar id, const char *in, const char *out)
  11 {
  12         FILE *f;
  13         byte *source, *prod;
  14         unsigned int size, i, line = 0;
  15
  16         printf ("Precompiling %s\n", in);
  17
  18         f = fopen (in, "r");
  19         if (f == NULL)
  20                 return 1;
  21         fseek (f, 0, SEEK_END);
  22         size = ftell (f);
  23         fseek (f, 0, SEEK_SET);
  24         source = (byte *) grammar_alloc_malloc (size + 1);
  25         source[fread (source, 1, size, f)] = '\0';
  26         fclose (f);
  27
  28         if (!grammar_fast_check (id, source, &prod, &size, 65536))
  29         {
  30                 grammar_alloc_free (source);
  31                 return 1;
  32         }
  33
  34         f = fopen (out, "w");
  35         fprintf (f, "\n");
  36         fprintf (f, "/* DO NOT EDIT - THIS FILE IS AUTOMATICALLY GENERATED FROM THE FOLLOWING FILE: */\n");
  37         fprintf (f, "/* %s */\n", in);
  38         fprintf (f, "\n");
  39         for (i = 0; i < size; i++)
  40         {
  41                 unsigned int a;
  42                 if (prod[i] < 10)
  43                         a = 1;
  44                 else if (prod[i] < 100)
  45                         a = 2;
  46                 else
  47                         a = 3;
  48                 if (i < size - 1)
  49                         a++;
  50                 if (line + a >= 100)
  51                 {
  52                         fprintf (f, "\n");
  53                         line = 0;
  54                 }
  55                 line += a;
  56                 fprintf (f, "%d", prod[i]);
  57                 if (i < size - 1)
  58                         fprintf (f, ",");
  59         }
  60         fprintf (f, "\n");
  61         fclose (f);
  62         grammar_alloc_free (prod);
  63    return 0;
  64 }
  65
  66 int main (int argc, char *argv[])
  67 {
  68    grammar id;
  69
  70    id = grammar_load_from_text ((const byte *) slang_shader_syn);
  71    if (id == 0)
  72       return 1;
  73    grammar_set_reg8 (id, (const byte *) "parsing_builtin", 1);
  74    grammar_set_reg8 (id, (const byte *) "shader_type", atoi (argv[1]));
  75    if (gc_to_bin (id, argv[2], argv[3])) {
  76       grammar_destroy (id);
  77       return 1;
  78    }
  79    grammar_destroy (id);
  80    return 0;
  81 }
  82