2 files changed, 445 insertions, 451 deletions
diff --git a/mesalib/src/glsl/glcpp/glcpp-lex.l b/mesalib/src/glsl/glcpp/glcpp-lex.l
index 68e44eb79..596c6db70 100644
--- a/mesalib/src/glsl/glcpp/glcpp-lex.l
+++ b/mesalib/src/glsl/glcpp/glcpp-lex.l
@@ -1,320 +1,324 @@
-%{
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-
-#include <stdio.h>
-#include <string.h>
-#include <ctype.h>
-
-#include "glcpp.h"
-#include "glcpp-parse.h"
-
-/* Flex annoyingly generates some functions without making them
- * static. Let's declare them here. */
-int glcpp_get_column  (yyscan_t yyscanner);
-void glcpp_set_column (int  column_no , yyscan_t yyscanner);
-
-#define YY_NO_INPUT
-
-#define YY_USER_ACTION                                          \
-   do {                                                         \
-      yylloc->first_column = yycolumn + 1;                      \
-      yylloc->first_line = yylineno;                            \
-      yycolumn += yyleng;                                       \
-   } while(0);
-
-#define YY_USER_INIT			\
-	do {				\
-		yylineno = 1;		\
-		yycolumn = 1;		\
-		yylloc->source = 0;	\
-	} while(0)
-%}
-
-%option bison-bridge bison-locations reentrant noyywrap
-%option extra-type="glcpp_parser_t *"
-%option prefix="glcpp_"
-%option stack
-%option never-interactive
-
-%x DONE COMMENT UNREACHABLE SKIP
-
-SPACE		[[:space:]]
-NONSPACE	[^[:space:]]
-NEWLINE		[\n]
-HSPACE		[ \t]
-HASH		^{HSPACE}*#{HSPACE}*
-IDENTIFIER	[_a-zA-Z][_a-zA-Z0-9]*
-PUNCTUATION	[][(){}.&*~!/%<>^|;,=+-]
-OTHER		[^][(){}.&*~!/%<>^|;,=#[:space:]+-]+
-
-DIGITS			[0-9][0-9]*
-DECIMAL_INTEGER		[1-9][0-9]*[uU]?
-OCTAL_INTEGER		0[0-7]*[uU]?
-HEXADECIMAL_INTEGER	0[xX][0-9a-fA-F]+[uU]?
-
-%%
-	/* Implicitly switch between SKIP and INITIAL (non-skipping);
-	 * don't switch if some other state was explicitly set.
-	 */
-	glcpp_parser_t *parser = yyextra;
-	if (YY_START == 0 || YY_START == SKIP) {
-		if (parser->lexing_if || parser->skip_stack == NULL || parser->skip_stack->type == SKIP_NO_SKIP) {
-			BEGIN 0;
-		} else {
-			BEGIN SKIP;
-		}
-	}
-
-	/* Single-line comments */
-"//"[^\n]* {
-}
-
-	/* Multi-line comments */
-"/*"                    { yy_push_state(COMMENT, yyscanner); }
-<COMMENT>[^*\n]*
-<COMMENT>[^*\n]*\n      { yylineno++; yycolumn = 0; return NEWLINE; }
-<COMMENT>"*"+[^*/\n]*
-<COMMENT>"*"+[^*/\n]*\n { yylineno++; yycolumn = 0; return NEWLINE; }
-<COMMENT>"*"+"/"        {
-	yy_pop_state(yyscanner);
-	if (yyextra->space_tokens)
-		return SPACE;
-}
-
-{HASH}version {
-	yylval->str = ralloc_strdup (yyextra, yytext);
-	yyextra->space_tokens = 0;
-	return HASH_VERSION;
-}
-
-	/* glcpp doesn't handle #extension, #version, or #pragma directives.
-	 * Simply pass them through to the main compiler's lexer/parser. */
-{HASH}(extension|pragma)[^\n]+ {
-	yylval->str = ralloc_strdup (yyextra, yytext);
-	yylineno++;
-	yycolumn = 0;
-	return OTHER;
-}
-
-{HASH}line{HSPACE}+{DIGITS}{HSPACE}+{DIGITS}{HSPACE}*$ {
-	/* Eat characters until the first digit is
-	 * encountered
-	 */
-	char *ptr = yytext;
-	while (!isdigit(*ptr))
-		ptr++;
-
-	/* Subtract one from the line number because
-	 * yylineno is zero-based instead of
-	 * one-based.
-	 */
-	yylineno = strtol(ptr, &ptr, 0) - 1;
-	yylloc->source = strtol(ptr, NULL, 0);
-}
-
-{HASH}line{HSPACE}+{DIGITS}{HSPACE}*$ {
-	/* Eat characters until the first digit is
-	 * encountered
-	 */
-	char *ptr = yytext;
-	while (!isdigit(*ptr))
-		ptr++;
-
-	/* Subtract one from the line number because
-	 * yylineno is zero-based instead of
-	 * one-based.
-	 */
-	yylineno = strtol(ptr, &ptr, 0) - 1;
-}
-
-<SKIP,INITIAL>{
-{HASH}ifdef {
-	yyextra->lexing_if = 1;
-	yyextra->space_tokens = 0;
-	return HASH_IFDEF;
-}
-
-{HASH}ifndef {
-	yyextra->lexing_if = 1;
-	yyextra->space_tokens = 0;
-	return HASH_IFNDEF;
-}
-
-{HASH}if/[^_a-zA-Z0-9] {
-	yyextra->lexing_if = 1;
-	yyextra->space_tokens = 0;
-	return HASH_IF;
-}
-
-{HASH}elif {
-	yyextra->lexing_if = 1;
-	yyextra->space_tokens = 0;
-	return HASH_ELIF;
-}
-
-{HASH}else {
-	yyextra->space_tokens = 0;
-	return HASH_ELSE;
-}
-
-{HASH}endif {
-	yyextra->space_tokens = 0;
-	return HASH_ENDIF;
-}
-}
-
-<SKIP>[^\n] ;
-
-{HASH}error.* {
-	char *p;
-	for (p = yytext; !isalpha(p[0]); p++); /* skip "  #   " */
-	p += 5; /* skip "error" */
-	glcpp_error(yylloc, yyextra, "#error%s", p);
-}
-
-{HASH}define{HSPACE}+/{IDENTIFIER}"(" {
-	yyextra->space_tokens = 0;
-	return HASH_DEFINE_FUNC;
-}
-
-{HASH}define {
-	yyextra->space_tokens = 0;
-	return HASH_DEFINE_OBJ;
-}
-
-{HASH}undef {
-	yyextra->space_tokens = 0;
-	return HASH_UNDEF;
-}
-
-{HASH} {
-	yyextra->space_tokens = 0;
-	return HASH;
-}
-
-{DECIMAL_INTEGER} {
-	yylval->str = ralloc_strdup (yyextra, yytext);
-	return INTEGER_STRING;
-}
-
-{OCTAL_INTEGER} {
-	yylval->str = ralloc_strdup (yyextra, yytext);
-	return INTEGER_STRING;
-}
-
-{HEXADECIMAL_INTEGER} {
-	yylval->str = ralloc_strdup (yyextra, yytext);
-	return INTEGER_STRING;
-}
-
-"<<"  {
-	return LEFT_SHIFT;
-}
-
-">>" {
-	return RIGHT_SHIFT;
-}
-
-"<=" {
-	return LESS_OR_EQUAL;
-}
-
-">=" {
-	return GREATER_OR_EQUAL;
-}
-
-"==" {
-	return EQUAL;
-}
-
-"!=" {
-	return NOT_EQUAL;
-}
-
-"&&" {
-	return AND;
-}
-
-"||" {
-	return OR;
-}
-
-"##" {
-	return PASTE;
-}
-
-"defined" {
-	return DEFINED;
-}
-
-{IDENTIFIER} {
-	yylval->str = ralloc_strdup (yyextra, yytext);
-	return IDENTIFIER;
-}
-
-{PUNCTUATION} {
-	return yytext[0];
-}
-
-{OTHER}+ {
-	yylval->str = ralloc_strdup (yyextra, yytext);
-	return OTHER;
-}
-
-{HSPACE}+ {
-	if (yyextra->space_tokens) {
-		return SPACE;
-	}
-}
-
-<SKIP,INITIAL>\n {
-	yyextra->lexing_if = 0;
-	yylineno++;
-	yycolumn = 0;
-	return NEWLINE;
-}
-
-	/* Handle missing newline at EOF. */
-<INITIAL><<EOF>> {
-	BEGIN DONE; /* Don't keep matching this rule forever. */
-	yyextra->lexing_if = 0;
-	return NEWLINE;
-}
-
-	/* We don't actually use the UNREACHABLE start condition. We
-	only have this action here so that we can pretend to call some
-	generated functions, (to avoid "defined but not used"
-	warnings. */
-<UNREACHABLE>. {
-	unput('.');
-	yy_top_state(yyextra);
-}
-
-%%
-
-void
-glcpp_lex_set_source_string(glcpp_parser_t *parser, const char *shader)
-{
-	yy_scan_string(shader, parser->scanner);
-}
+%{
+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+
+#include "glcpp.h"
+#include "glcpp-parse.h"
+
+/* Flex annoyingly generates some functions without making them
+ * static. Let's declare them here. */
+int glcpp_get_column  (yyscan_t yyscanner);
+void glcpp_set_column (int  column_no , yyscan_t yyscanner);
+
+#ifdef _MSC_VER
+#define YY_NO_UNISTD_H
+#endif
+
+#define YY_NO_INPUT
+
+#define YY_USER_ACTION                                          \
+   do {                                                         \
+      yylloc->first_column = yycolumn + 1;                      \
+      yylloc->first_line = yylineno;                            \
+      yycolumn += yyleng;                                       \
+   } while(0);
+
+#define YY_USER_INIT			\
+	do {				\
+		yylineno = 1;		\
+		yycolumn = 1;		\
+		yylloc->source = 0;	\
+	} while(0)
+%}
+
+%option bison-bridge bison-locations reentrant noyywrap
+%option extra-type="glcpp_parser_t *"
+%option prefix="glcpp_"
+%option stack
+%option never-interactive
+
+%x DONE COMMENT UNREACHABLE SKIP
+
+SPACE		[[:space:]]
+NONSPACE	[^[:space:]]
+NEWLINE		[\n]
+HSPACE		[ \t]
+HASH		^{HSPACE}*#{HSPACE}*
+IDENTIFIER	[_a-zA-Z][_a-zA-Z0-9]*
+PUNCTUATION	[][(){}.&*~!/%<>^|;,=+-]
+OTHER		[^][(){}.&*~!/%<>^|;,=#[:space:]+-]+
+
+DIGITS			[0-9][0-9]*
+DECIMAL_INTEGER		[1-9][0-9]*[uU]?
+OCTAL_INTEGER		0[0-7]*[uU]?
+HEXADECIMAL_INTEGER	0[xX][0-9a-fA-F]+[uU]?
+
+%%
+	/* Implicitly switch between SKIP and INITIAL (non-skipping);
+	 * don't switch if some other state was explicitly set.
+	 */
+	glcpp_parser_t *parser = yyextra;
+	if (YY_START == 0 || YY_START == SKIP) {
+		if (parser->lexing_if || parser->skip_stack == NULL || parser->skip_stack->type == SKIP_NO_SKIP) {
+			BEGIN 0;
+		} else {
+			BEGIN SKIP;
+		}
+	}
+
+	/* Single-line comments */
+"//"[^\n]* {
+}
+
+	/* Multi-line comments */
+"/*"                    { yy_push_state(COMMENT, yyscanner); }
+<COMMENT>[^*\n]*
+<COMMENT>[^*\n]*\n      { yylineno++; yycolumn = 0; return NEWLINE; }
+<COMMENT>"*"+[^*/\n]*
+<COMMENT>"*"+[^*/\n]*\n { yylineno++; yycolumn = 0; return NEWLINE; }
+<COMMENT>"*"+"/"        {
+	yy_pop_state(yyscanner);
+	if (yyextra->space_tokens)
+		return SPACE;
+}
+
+{HASH}version {
+	yylval->str = ralloc_strdup (yyextra, yytext);
+	yyextra->space_tokens = 0;
+	return HASH_VERSION;
+}
+
+	/* glcpp doesn't handle #extension, #version, or #pragma directives.
+	 * Simply pass them through to the main compiler's lexer/parser. */
+{HASH}(extension|pragma)[^\n]+ {
+	yylval->str = ralloc_strdup (yyextra, yytext);
+	yylineno++;
+	yycolumn = 0;
+	return OTHER;
+}
+
+{HASH}line{HSPACE}+{DIGITS}{HSPACE}+{DIGITS}{HSPACE}*$ {
+	/* Eat characters until the first digit is
+	 * encountered
+	 */
+	char *ptr = yytext;
+	while (!isdigit(*ptr))
+		ptr++;
+
+	/* Subtract one from the line number because
+	 * yylineno is zero-based instead of
+	 * one-based.
+	 */
+	yylineno = strtol(ptr, &ptr, 0) - 1;
+	yylloc->source = strtol(ptr, NULL, 0);
+}
+
+{HASH}line{HSPACE}+{DIGITS}{HSPACE}*$ {
+	/* Eat characters until the first digit is
+	 * encountered
+	 */
+	char *ptr = yytext;
+	while (!isdigit(*ptr))
+		ptr++;
+
+	/* Subtract one from the line number because
+	 * yylineno is zero-based instead of
+	 * one-based.
+	 */
+	yylineno = strtol(ptr, &ptr, 0) - 1;
+}
+
+<SKIP,INITIAL>{
+{HASH}ifdef {
+	yyextra->lexing_if = 1;
+	yyextra->space_tokens = 0;
+	return HASH_IFDEF;
+}
+
+{HASH}ifndef {
+	yyextra->lexing_if = 1;
+	yyextra->space_tokens = 0;
+	return HASH_IFNDEF;
+}
+
+{HASH}if/[^_a-zA-Z0-9] {
+	yyextra->lexing_if = 1;
+	yyextra->space_tokens = 0;
+	return HASH_IF;
+}
+
+{HASH}elif {
+	yyextra->lexing_if = 1;
+	yyextra->space_tokens = 0;
+	return HASH_ELIF;
+}
+
+{HASH}else {
+	yyextra->space_tokens = 0;
+	return HASH_ELSE;
+}
+
+{HASH}endif {
+	yyextra->space_tokens = 0;
+	return HASH_ENDIF;
+}
+}
+
+<SKIP>[^\n] ;
+
+{HASH}error.* {
+	char *p;
+	for (p = yytext; !isalpha(p[0]); p++); /* skip "  #   " */
+	p += 5; /* skip "error" */
+	glcpp_error(yylloc, yyextra, "#error%s", p);
+}
+
+{HASH}define{HSPACE}+/{IDENTIFIER}"(" {
+	yyextra->space_tokens = 0;
+	return HASH_DEFINE_FUNC;
+}
+
+{HASH}define {
+	yyextra->space_tokens = 0;
+	return HASH_DEFINE_OBJ;
+}
+
+{HASH}undef {
+	yyextra->space_tokens = 0;
+	return HASH_UNDEF;
+}
+
+{HASH} {
+	yyextra->space_tokens = 0;
+	return HASH;
+}
+
+{DECIMAL_INTEGER} {
+	yylval->str = ralloc_strdup (yyextra, yytext);
+	return INTEGER_STRING;
+}
+
+{OCTAL_INTEGER} {
+	yylval->str = ralloc_strdup (yyextra, yytext);
+	return INTEGER_STRING;
+}
+
+{HEXADECIMAL_INTEGER} {
+	yylval->str = ralloc_strdup (yyextra, yytext);
+	return INTEGER_STRING;
+}
+
+"<<"  {
+	return LEFT_SHIFT;
+}
+
+">>" {
+	return RIGHT_SHIFT;
+}
+
+"<=" {
+	return LESS_OR_EQUAL;
+}
+
+">=" {
+	return GREATER_OR_EQUAL;
+}
+
+"==" {
+	return EQUAL;
+}
+
+"!=" {
+	return NOT_EQUAL;
+}
+
+"&&" {
+	return AND;
+}
+
+"||" {
+	return OR;
+}
+
+"##" {
+	return PASTE;
+}
+
+"defined" {
+	return DEFINED;
+}
+
+{IDENTIFIER} {
+	yylval->str = ralloc_strdup (yyextra, yytext);
+	return IDENTIFIER;
+}
+
+{PUNCTUATION} {
+	return yytext[0];
+}
+
+{OTHER}+ {
+	yylval->str = ralloc_strdup (yyextra, yytext);
+	return OTHER;
+}
+
+{HSPACE}+ {
+	if (yyextra->space_tokens) {
+		return SPACE;
+	}
+}
+
+<SKIP,INITIAL>\n {
+	yyextra->lexing_if = 0;
+	yylineno++;
+	yycolumn = 0;
+	return NEWLINE;
+}
+
+	/* Handle missing newline at EOF. */
+<INITIAL><<EOF>> {
+	BEGIN DONE; /* Don't keep matching this rule forever. */
+	yyextra->lexing_if = 0;
+	return NEWLINE;
+}
+
+	/* We don't actually use the UNREACHABLE start condition. We
+	only have this action here so that we can pretend to call some
+	generated functions, (to avoid "defined but not used"
+	warnings. */
+<UNREACHABLE>. {
+	unput('.');
+	yy_top_state(yyextra);
+}
+
+%%
+
+void
+glcpp_lex_set_source_string(glcpp_parser_t *parser, const char *shader)
+{
+	yy_scan_string(shader, parser->scanner);
+}
diff --git a/mesalib/src/glsl/glcpp/glcpp.c b/mesalib/src/glsl/glcpp/glcpp.c
index 564194caa..63eb061c2 100644
--- a/mesalib/src/glsl/glcpp/glcpp.c
+++ b/mesalib/src/glsl/glcpp/glcpp.c
@@ -1,131 +1,121 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <string.h>
-#include <errno.h>
-#include "glcpp.h"
-#include "main/mtypes.h"
-#include "main/shaderobj.h"
-
-extern int yydebug;
-
-void
-_mesa_reference_shader(struct gl_context *ctx, struct gl_shader **ptr,
-                       struct gl_shader *sh)
-{
-   *ptr = sh;
-}
-
-/* Read from fd until EOF and return a string of everything read.
- */
-static char *
-load_text_fd (void *ctx, int fd)
-{
-#define CHUNK 4096
-	char *text = NULL;
-	ssize_t text_size = 0;
-	ssize_t total_read = 0;
-	ssize_t bytes;
-
-	while (1) {
-		if (total_read + CHUNK + 1 > text_size) {
-			text_size = text_size ? text_size * 2 : CHUNK + 1;
-			text = reralloc_size (ctx, text, text_size);
-			if (text == NULL) {
-				fprintf (stderr, "Out of memory\n");
-				return NULL;
-			}
-		}
-		bytes = read (fd, text + total_read, CHUNK);
-		if (bytes < 0) {
-			fprintf (stderr, "Error while reading: %s\n",
-				 strerror (errno));
-			ralloc_free (text);
-			return NULL;
-		}
-
-		if (bytes == 0) {
-			break;
-		}
-
-		total_read += bytes;
-	}
-
-	text[total_read] = '\0';
-
-	return text;
-}
-
-static char *
-load_text_file(void *ctx, const char *filename)
-{
-	char *text;
-	int fd;
-
-	if (filename == NULL || strcmp (filename, "-") == 0)
-		return load_text_fd (ctx, STDIN_FILENO);
-
-	fd = open (filename, O_RDONLY);
-	if (fd < 0) {
-		fprintf (stderr, "Failed to open file %s: %s\n",
-			 filename, strerror (errno));
-		return NULL;
-	}
-
-	text = load_text_fd (ctx, fd);
-
-	close(fd);
-
-	return text;
-}
-
-int
-main (int argc, char *argv[])
-{
-	char *filename = NULL;
-	void *ctx = ralloc(NULL, void*);
-	char *info_log = ralloc_strdup(ctx, "");
-	const char *shader;
-	int ret;
-
-	if (argc) {
-		filename = argv[1];
-	}
-
-	shader = load_text_file (ctx, filename);
-	if (shader == NULL)
-	   return 1;
-
-	ret = preprocess(ctx, &shader, &info_log, NULL, API_OPENGL);
-
-	printf("%s", shader);
-	fprintf(stderr, "%s", info_log);
-
-	ralloc_free(ctx);
-
-	return ret;
-}
+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include "glcpp.h"
+#include "main/mtypes.h"
+#include "main/shaderobj.h"
+
+extern int yydebug;
+
+void
+_mesa_reference_shader(struct gl_context *ctx, struct gl_shader **ptr,
+                       struct gl_shader *sh)
+{
+   *ptr = sh;
+}
+
+/* Read from fp until EOF and return a string of everything read.
+ */
+static char *
+load_text_fp (void *ctx, FILE *fp)
+{
+#define CHUNK 4096
+	char *text = NULL;
+	size_t text_size = 0;
+	size_t total_read = 0;
+	size_t bytes;
+
+	while (1) {
+		if (total_read + CHUNK + 1 > text_size) {
+			text_size = text_size ? text_size * 2 : CHUNK + 1;
+			text = reralloc_size (ctx, text, text_size);
+			if (text == NULL) {
+				fprintf (stderr, "Out of memory\n");
+				return NULL;
+			}
+		}
+		bytes = fread (text + total_read, 1, CHUNK, fp);
+		total_read += bytes;
+
+		if (bytes < CHUNK) {
+			break;
+		}
+	}
+
+	text[total_read] = '\0';
+
+	return text;
+}
+
+static char *
+load_text_file(void *ctx, const char *filename)
+{
+	char *text;
+	FILE *fp;
+
+	if (filename == NULL || strcmp (filename, "-") == 0)
+		return load_text_fp (ctx, stdin);
+
+	fp = fopen (filename, "r");
+	if (fp == NULL) {
+		fprintf (stderr, "Failed to open file %s: %s\n",
+			 filename, strerror (errno));
+		return NULL;
+	}
+
+	text = load_text_fp (ctx, fp);
+
+	fclose(fp);
+
+	return text;
+}
+
+int
+main (int argc, char *argv[])
+{
+	char *filename = NULL;
+	void *ctx = ralloc(NULL, void*);
+	char *info_log = ralloc_strdup(ctx, "");
+	const char *shader;
+	int ret;
+
+	if (argc) {
+		filename = argv[1];
+	}
+
+	shader = load_text_file (ctx, filename);
+	if (shader == NULL)
+	   return 1;
+
+	ret = preprocess(ctx, &shader, &info_log, NULL, API_OPENGL);
+
+	printf("%s", shader);
+	fprintf(stderr, "%s", info_log);
+
+	ralloc_free(ctx);
+
+	return ret;
+}