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#include "../../grammar/grammar_crt.h"
#include "../../grammar/grammar_crt.c"
#include <stdlib.h>
#include <stdio.h>
static const char *slang_shader_syn =
#include "slang_shader_syn.h"
;
static int gc_to_bin (grammar id, const char *in, const char *out)
{
FILE *f;
byte *source, *prod;
unsigned int size, i, line = 0;
printf ("Precompiling %s\n", in);
f = fopen (in, "r");
if (f == NULL)
return 1;
fseek (f, 0, SEEK_END);
size = ftell (f);
fseek (f, 0, SEEK_SET);
source = (byte *) grammar_alloc_malloc (size + 1);
source[fread (source, 1, size, f)] = '\0';
fclose (f);
if (!grammar_fast_check (id, source, &prod, &size, 65536))
{
grammar_alloc_free (source);
return 1;
}
f = fopen (out, "w");
fprintf (f, "\n");
fprintf (f, "/* DO NOT EDIT - THIS FILE IS AUTOMATICALLY GENERATED FROM THE FOLLOWING FILE: */\n");
fprintf (f, "/* %s */\n", in);
fprintf (f, "\n");
for (i = 0; i < size; i++)
{
unsigned int a;
if (prod[i] < 10)
a = 1;
else if (prod[i] < 100)
a = 2;
else
a = 3;
if (i < size - 1)
a++;
if (line + a >= 100)
{
fprintf (f, "\n");
line = 0;
}
line += a;
fprintf (f, "%d", prod[i]);
if (i < size - 1)
fprintf (f, ",");
}
fprintf (f, "\n");
fclose (f);
grammar_alloc_free (prod);
return 0;
}
int main (int argc, char *argv[])
{
grammar id;
id = grammar_load_from_text ((const byte *) slang_shader_syn);
if (id == 0) {
fprintf(stderr, "Error loading grammar from text\n");
return 1;
}
grammar_set_reg8 (id, (const byte *) "parsing_builtin", 1);
grammar_set_reg8 (id, (const byte *) "shader_type", atoi (argv[1]));
if (gc_to_bin (id, argv[2], argv[3])) {
fprintf(stderr, "Error in gc_to_bin %s %s\n", argv[2], argv[3]);
grammar_destroy (id);
return 1;
}
grammar_destroy (id);
return 0;
}
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