1 files changed, 85 insertions, 0 deletions
diff --git a/mesalib/src/mesa/shader/slang/library/gc_to_bin.c b/mesalib/src/mesa/shader/slang/library/gc_to_bin.c
new file mode 100644
index 000000000..8aef7b541
--- /dev/null
+++ b/mesalib/src/mesa/shader/slang/library/gc_to_bin.c
@@ -0,0 +1,85 @@
+#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;
+}
+