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-rw-r--r--mesalib/src/glsl/glcpp/glcpp-lex.l644
-rw-r--r--mesalib/src/glsl/glcpp/glcpp.c252
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;
+}