diff options
| -rw-r--r-- | src/glsl/glcpp/glcpp.c | 46 |
1 files changed, 44 insertions, 2 deletions
diff --git a/src/glsl/glcpp/glcpp.c b/src/glsl/glcpp/glcpp.c index 79fbdac5cc0..6994d7bb955 100644 --- a/src/glsl/glcpp/glcpp.c +++ b/src/glsl/glcpp/glcpp.c @@ -24,6 +24,8 @@ #include <stdio.h> #include <string.h> #include <errno.h> +#include <getopt.h> + #include "glcpp.h" #include "main/mtypes.h" #include "main/shaderobj.h" @@ -100,8 +102,31 @@ static void init_fake_gl_context (struct gl_context *gl_ctx) { gl_ctx->API = API_OPENGL_COMPAT; + gl_ctx->Const.DisableGLSLLineContinuations = false; +} + +static void +usage (void) +{ + fprintf (stderr, + "Usage: glcpp [OPTIONS] [--] [<filename>]\n" + "\n" + "Pre-process the given filename (stdin if no filename given).\n" + "The following options are supported:\n" + " --disable-line-continuations Do not interpret lines ending with a\n" + " backslash ('\\') as a line continuation.\n"); } +enum { + DISABLE_LINE_CONTINUATIONS_OPT = CHAR_MAX + 1 +}; + +const static struct option +long_options[] = { + {"disable-line-continuations", no_argument, 0, DISABLE_LINE_CONTINUATIONS_OPT }, + {0, 0, 0, 0 } +}; + int main (int argc, char *argv[]) { @@ -111,11 +136,28 @@ main (int argc, char *argv[]) const char *shader; int ret; struct gl_context gl_ctx; + int c; init_fake_gl_context (&gl_ctx); - if (argc) { - filename = argv[1]; + while ((c = getopt_long(argc, argv, "", long_options, NULL)) != -1) { + switch (c) { + case DISABLE_LINE_CONTINUATIONS_OPT: + gl_ctx.Const.DisableGLSLLineContinuations = true; + break; + default: + usage (); + exit (1); + } + } + + if (optind + 1 < argc) { + printf ("Unexpected argument: %s\n", argv[optind+1]); + usage (); + exit (1); + } + if (optind < argc) { + filename = argv[optind]; } shader = load_text_file (ctx, filename); |