diff options
| -rw-r--r-- | src/glsl/pp/sl_pp_define.c | 35 | ||||
| -rw-r--r-- | src/glsl/pp/sl_pp_process.c | 22 | ||||
| -rw-r--r-- | src/glsl/pp/sl_pp_process.h | 6 |
3 files changed, 54 insertions, 9 deletions
diff --git a/src/glsl/pp/sl_pp_define.c b/src/glsl/pp/sl_pp_define.c index 0509646430..9bc9fb5359 100644 --- a/src/glsl/pp/sl_pp_define.c +++ b/src/glsl/pp/sl_pp_define.c @@ -176,3 +176,38 @@ sl_pp_process_define(struct sl_pp_context *context, return 0; } + + +int +sl_pp_process_undef(struct sl_pp_context *context, + const struct sl_pp_token_info *input, + unsigned int first, + unsigned int last) +{ + int macro_name = -1; + struct sl_pp_macro **pmacro; + struct sl_pp_macro *macro; + + if (first < last && input[first].token == SL_PP_IDENTIFIER) { + macro_name = input[first].data.identifier; + } + if (macro_name == -1) { + return 0; + } + + for (pmacro = &context->macro; *pmacro; pmacro = &(**pmacro).next) { + if ((**pmacro).name == macro_name) { + break; + } + } + if (!*pmacro) { + return 0; + } + + macro = *pmacro; + *pmacro = macro->next; + macro->next = NULL; + sl_pp_macro_free(macro); + + return 0; +} diff --git a/src/glsl/pp/sl_pp_process.c b/src/glsl/pp/sl_pp_process.c index 4715eed2fc..c17a3ac7ce 100644 --- a/src/glsl/pp/sl_pp_process.c +++ b/src/glsl/pp/sl_pp_process.c @@ -122,13 +122,7 @@ sl_pp_process(struct sl_pp_context *context, last = i - 1; - if (!strcmp(name, "define")) { - if (context->if_value) { - if (sl_pp_process_define(context, input, first, last)) { - return -1; - } - } - } else if (!strcmp(name, "if")) { + if (!strcmp(name, "if")) { if (sl_pp_process_if(context, input, first, last)) { return -1; } @@ -152,8 +146,18 @@ sl_pp_process(struct sl_pp_context *context, if (sl_pp_process_endif(context, input, first, last)) { return -1; } - } else { - /* XXX: Ignore. */ + } else if (context->if_value) { + if (!strcmp(name, "define")) { + if (sl_pp_process_define(context, input, first, last)) { + return -1; + } + } else if (!strcmp(name, "undef")) { + if (sl_pp_process_undef(context, input, first, last)) { + return -1; + } + } else { + /* XXX: Ignore. */ + } } } break; diff --git a/src/glsl/pp/sl_pp_process.h b/src/glsl/pp/sl_pp_process.h index 66d61496a2..61e67fef0b 100644 --- a/src/glsl/pp/sl_pp_process.h +++ b/src/glsl/pp/sl_pp_process.h @@ -51,6 +51,12 @@ sl_pp_process_define(struct sl_pp_context *context, unsigned int last); int +sl_pp_process_undef(struct sl_pp_context *context, + const struct sl_pp_token_info *input, + unsigned int first, + unsigned int last); + +int sl_pp_process_if(struct sl_pp_context *context, const struct sl_pp_token_info *input, unsigned int first, |