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Diffstat (limited to 'src/glsl/pp/sl_pp_macro.c')
-rw-r--r--src/glsl/pp/sl_pp_macro.c415
1 files changed, 0 insertions, 415 deletions
diff --git a/src/glsl/pp/sl_pp_macro.c b/src/glsl/pp/sl_pp_macro.c
deleted file mode 100644
index 2cf9ea342b..0000000000
--- a/src/glsl/pp/sl_pp_macro.c
+++ /dev/null
@@ -1,415 +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"
-#include "sl_pp_token.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, &macro->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;
-}
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