aboutsummaryrefslogtreecommitdiff
path: root/mesalib/src/glsl/glcpp/glcpp.c
diff options
context:
space:
mode:
Diffstat (limited to 'mesalib/src/glsl/glcpp/glcpp.c')
-rw-r--r--mesalib/src/glsl/glcpp/glcpp.c268
1 files changed, 129 insertions, 139 deletions
diff --git a/mesalib/src/glsl/glcpp/glcpp.c b/mesalib/src/glsl/glcpp/glcpp.c
index 62065481c..fd602c1fb 100644
--- a/mesalib/src/glsl/glcpp/glcpp.c
+++ b/mesalib/src/glsl/glcpp/glcpp.c
@@ -1,139 +1,129 @@
-/*
- * 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"
-
-#ifdef _MSC_VER
-#include <io.h>
-#define STDIN_FILENO 0
-#define read _read
-#define open _open
-#define close _close
-#endif
-
-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"
+
+#ifdef _MSC_VER
+#include <io.h>
+#define STDIN_FILENO 0
+#define read _read
+#define open _open
+#define close _close
+#endif
+
+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;
+}