diff options
author | Michal Krol <michal@vmware.com> | 2009-09-04 13:30:40 +0200 |
---|---|---|
committer | Michal Krol <michal@vmware.com> | 2009-09-07 10:12:05 +0200 |
commit | e8afc6558909d9503a83c8cc184a2e2bb008746b (patch) | |
tree | d6b2570312fddab2ae96a5180c25f4cdbe51cf46 /src/glsl | |
parent | bb8f38ea6f71179cd4adb0ca33c464716be17dcb (diff) |
glsl: Implement predefinded macros.
The values are hardcoded: __LINE__ = 1, __FILE__ = 0 and __VERSION__ = 110.
Diffstat (limited to 'src/glsl')
-rw-r--r-- | src/glsl/pp/sl_pp_macro.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/glsl/pp/sl_pp_macro.c b/src/glsl/pp/sl_pp_macro.c index a82c30cb167..bacd468964c 100644 --- a/src/glsl/pp/sl_pp_macro.c +++ b/src/glsl/pp/sl_pp_macro.c @@ -26,6 +26,7 @@ **************************************************************************/ #include <stdlib.h> +#include <stdio.h> #include "sl_pp_macro.h" #include "sl_pp_process.h" @@ -94,6 +95,21 @@ skip_whitespace(const struct sl_pp_token_info *input, } } +static int +_out_number(struct sl_pp_context *context, + struct sl_pp_process_state *state, + unsigned int number) +{ + char buf[32]; + struct sl_pp_token_info ti; + + sprintf(buf, "%u", number); + + ti.token = SL_PP_NUMBER; + ti.data.number = sl_pp_context_add_unique_str(context, buf); + return sl_pp_process_out(state, &ti); +} + int sl_pp_macro_expand(struct sl_pp_context *context, const struct sl_pp_token_info *input, @@ -103,6 +119,7 @@ sl_pp_macro_expand(struct sl_pp_context *context, int mute) { int macro_name; + const char *macro_str; struct sl_pp_macro *macro = NULL; struct sl_pp_macro *actual_arg = NULL; unsigned int j; @@ -112,6 +129,30 @@ sl_pp_macro_expand(struct sl_pp_context *context, } macro_name = input[*pi].data.identifier; + macro_str = sl_pp_context_cstr(context, macro_name); + + /* TODO: Having the following built-ins hardcoded is a bit lame. */ + if (!strcmp(macro_str, "__LINE__")) { + if (!mute && _out_number(context, state, 1)) { + return -1; + } + (*pi)++; + return 0; + } + if (!strcmp(macro_str, "__FILE__")) { + if (!mute && _out_number(context, state, 0)) { + return -1; + } + (*pi)++; + return 0; + } + if (!strcmp(macro_str, "__VERSION__")) { + if (!mute && _out_number(context, state, 110)) { + return -1; + } + (*pi)++; + return 0; + } if (local) { for (macro = local; macro; macro = macro->next) { |