diff options
Diffstat (limited to 'mesalib/src/glsl/pp/sl_pp_macro.c')
-rw-r--r-- | mesalib/src/glsl/pp/sl_pp_macro.c | 414 |
1 files changed, 0 insertions, 414 deletions
diff --git a/mesalib/src/glsl/pp/sl_pp_macro.c b/mesalib/src/glsl/pp/sl_pp_macro.c deleted file mode 100644 index 9f520b8fc..000000000 --- a/mesalib/src/glsl/pp/sl_pp_macro.c +++ /dev/null @@ -1,414 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * 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, sub license, 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 NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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 <stdlib.h> -#include <stdio.h> -#include <string.h> -#include "sl_pp_context.h" -#include "sl_pp_public.h" -#include "sl_pp_macro.h" -#include "sl_pp_process.h" - - -static void -_macro_init(struct sl_pp_macro *macro) -{ - macro->name = -1; - macro->num_args = -1; - macro->arg = NULL; - macro->body = NULL; -} - -struct sl_pp_macro * -sl_pp_macro_new(void) -{ - struct sl_pp_macro *macro; - - macro = calloc(1, sizeof(struct sl_pp_macro)); - if (macro) { - _macro_init(macro); - } - return macro; -} - -static void -_macro_destroy(struct sl_pp_macro *macro) -{ - struct sl_pp_macro_formal_arg *arg = macro->arg; - - while (arg) { - struct sl_pp_macro_formal_arg *next_arg = arg->next; - - free(arg); - arg = next_arg; - } - - free(macro->body); -} - -void -sl_pp_macro_free(struct sl_pp_macro *macro) -{ - while (macro) { - struct sl_pp_macro *next_macro = macro->next; - - _macro_destroy(macro); - free(macro); - macro = next_macro; - } -} - -void -sl_pp_macro_reset(struct sl_pp_macro *macro) -{ - _macro_destroy(macro); - _macro_init(macro); -} - -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_UINT; - ti.data._uint = sl_pp_context_add_unique_str(context, buf); - if (sl_pp_process_out(state, &ti)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - - return 0; -} - -int -sl_pp_macro_expand(struct sl_pp_context *context, - struct sl_pp_token_buffer *tokens, - struct sl_pp_macro *local, - struct sl_pp_process_state *state, - enum sl_pp_macro_expand_behaviour behaviour) -{ - int mute = (behaviour == sl_pp_macro_expand_mute); - struct sl_pp_token_info input; - int macro_name; - struct sl_pp_macro *macro = NULL; - struct sl_pp_macro *actual_arg = NULL; - unsigned int j; - - if (sl_pp_token_buffer_get(tokens, &input)) { - return -1; - } - - if (input.token != SL_PP_IDENTIFIER) { - strcpy(context->error_msg, "expected an identifier"); - return -1; - } - - macro_name = input.data.identifier; - - /* First look for predefined macros. - */ - - if (macro_name == context->dict.___LINE__) { - if (!mute && _out_number(context, state, context->line)) { - return -1; - } - return 0; - } - if (macro_name == context->dict.___FILE__) { - if (!mute && _out_number(context, state, context->file)) { - return -1; - } - return 0; - } - if (macro_name == context->dict.___VERSION__) { - if (!mute && _out_number(context, state, 110)) { - return -1; - } - return 0; - } - - for (j = 0; j < context->num_predefined; j++) { - if (macro_name == context->predefined[j].name) { - if (!mute) { - struct sl_pp_token_info ti; - - ti.token = SL_PP_UINT; - ti.data._uint = context->predefined[j].value; - if (sl_pp_process_out(state, &ti)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - } - return 0; - } - } - - /* Replace extension names with 1. - */ - for (j = 0; j < context->num_extensions; j++) { - if (macro_name == context->extensions[j].name) { - if (!mute && _out_number(context, state, 1)) { - return -1; - } - return 0; - } - } - - if (local) { - for (macro = local; macro; macro = macro->next) { - if (macro->name == macro_name) { - break; - } - } - } - - if (!macro) { - for (macro = context->macro; macro; macro = macro->next) { - if (macro->name == macro_name) { - break; - } - } - } - - if (!macro) { - if (behaviour == sl_pp_macro_expand_unknown_to_0) { - if (_out_number(context, state, 0)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - } else if (!mute) { - if (sl_pp_process_out(state, &input)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - } - return 0; - } - - if (macro->num_args >= 0) { - if (sl_pp_token_buffer_skip_white(tokens, &input)) { - return -1; - } - if (input.token != SL_PP_LPAREN) { - strcpy(context->error_msg, "expected `('"); - return -1; - } - if (sl_pp_token_buffer_skip_white(tokens, &input)) { - return -1; - } - sl_pp_token_buffer_unget(tokens, &input); - } - - if (macro->num_args > 0) { - struct sl_pp_macro_formal_arg *formal_arg = macro->arg; - struct sl_pp_macro **pmacro = &actual_arg; - - for (j = 0; j < (unsigned int)macro->num_args; j++) { - struct sl_pp_process_state arg_state; - int done = 0; - unsigned int paren_nesting = 0; - struct sl_pp_token_info eof; - - memset(&arg_state, 0, sizeof(arg_state)); - - while (!done) { - if (sl_pp_token_buffer_get(tokens, &input)) { - goto fail_arg; - } - switch (input.token) { - case SL_PP_WHITESPACE: - break; - - case SL_PP_COMMA: - if (!paren_nesting) { - if (j < (unsigned int)macro->num_args - 1) { - done = 1; - } else { - strcpy(context->error_msg, "too many actual macro arguments"); - goto fail_arg; - } - } else { - if (sl_pp_process_out(&arg_state, &input)) { - strcpy(context->error_msg, "out of memory"); - goto fail_arg; - } - } - break; - - case SL_PP_LPAREN: - paren_nesting++; - if (sl_pp_process_out(&arg_state, &input)) { - goto oom_arg; - } - break; - - case SL_PP_RPAREN: - if (!paren_nesting) { - if (j == (unsigned int)macro->num_args - 1) { - done = 1; - } else { - strcpy(context->error_msg, "too few actual macro arguments"); - goto fail_arg; - } - } else { - paren_nesting--; - if (sl_pp_process_out(&arg_state, &input)) { - goto oom_arg; - } - } - break; - - case SL_PP_IDENTIFIER: - sl_pp_token_buffer_unget(tokens, &input); - if (sl_pp_macro_expand(context, tokens, local, &arg_state, sl_pp_macro_expand_normal)) { - goto fail_arg; - } - break; - - case SL_PP_EOF: - strcpy(context->error_msg, "too few actual macro arguments"); - goto fail_arg; - - default: - if (sl_pp_process_out(&arg_state, &input)) { - goto oom_arg; - } - } - } - - eof.token = SL_PP_EOF; - if (sl_pp_process_out(&arg_state, &eof)) { - goto oom_arg; - } - - *pmacro = sl_pp_macro_new(); - if (!*pmacro) { - goto oom_arg; - } - - (**pmacro).name = formal_arg->name; - (**pmacro).body = arg_state.out; - - formal_arg = formal_arg->next; - pmacro = &(**pmacro).next; - - continue; - -oom_arg: - strcpy(context->error_msg, "out of memory"); -fail_arg: - free(arg_state.out); - goto fail; - } - } - - /* Right paren for non-empty argument list has already been eaten. */ - if (macro->num_args == 0) { - if (sl_pp_token_buffer_skip_white(tokens, &input)) { - goto fail; - } - if (input.token != SL_PP_RPAREN) { - strcpy(context->error_msg, "expected `)'"); - goto fail; - } - } - - /* XXX: This is all wrong, we should be ungetting all tokens - * back to the main token buffer. - */ - { - struct sl_pp_token_buffer buffer; - - /* Seek to the end. - */ - for (j = 0; macro->body[j].token != SL_PP_EOF; j++) { - } - j++; - - /* Create a context-less token buffer since we are not going to underrun - * its internal buffer. - */ - if (sl_pp_token_buffer_init(&buffer, NULL)) { - strcpy(context->error_msg, "out of memory"); - goto fail; - } - - /* Unget the tokens in reverse order so later they will be fetched correctly. - */ - for (; j > 0; j--) { - sl_pp_token_buffer_unget(&buffer, ¯o->body[j - 1]); - } - - /* Expand. - */ - for (;;) { - struct sl_pp_token_info input; - - sl_pp_token_buffer_get(&buffer, &input); - switch (input.token) { - case SL_PP_NEWLINE: - if (sl_pp_process_out(state, &input)) { - strcpy(context->error_msg, "out of memory"); - sl_pp_token_buffer_destroy(&buffer); - goto fail; - } - break; - - case SL_PP_IDENTIFIER: - sl_pp_token_buffer_unget(&buffer, &input); - if (sl_pp_macro_expand(context, &buffer, actual_arg, state, behaviour)) { - sl_pp_token_buffer_destroy(&buffer); - goto fail; - } - break; - - case SL_PP_EOF: - sl_pp_token_buffer_destroy(&buffer); - sl_pp_macro_free(actual_arg); - return 0; - - default: - if (!mute) { - if (sl_pp_process_out(state, &input)) { - strcpy(context->error_msg, "out of memory"); - sl_pp_token_buffer_destroy(&buffer); - goto fail; - } - } - } - } - } - -fail: - sl_pp_macro_free(actual_arg); - return -1; -} |