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Diffstat (limited to 'src/glsl/pp/sl_pp_process.c')
-rw-r--r--src/glsl/pp/sl_pp_process.c331
1 files changed, 0 insertions, 331 deletions
diff --git a/src/glsl/pp/sl_pp_process.c b/src/glsl/pp/sl_pp_process.c
deleted file mode 100644
index 2f12393237..0000000000
--- a/src/glsl/pp/sl_pp_process.c
+++ /dev/null
@@ -1,331 +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 <assert.h>
-#include <stdlib.h>
-#include <string.h>
-#include "sl_pp_context.h"
-#include "sl_pp_macro.h"
-#include "sl_pp_process.h"
-#include "sl_pp_public.h"
-#include "sl_pp_token.h"
-
-
-int
-sl_pp_process_out(struct sl_pp_process_state *state,
- const struct sl_pp_token_info *token)
-{
- if (state->out_len >= state->out_max) {
- unsigned int new_max = state->out_max;
-
- if (new_max < 0x100) {
- new_max = 0x100;
- } else if (new_max < 0x10000) {
- new_max *= 2;
- } else {
- new_max += 0x10000;
- }
-
- state->out = realloc(state->out, new_max * sizeof(struct sl_pp_token_info));
- if (!state->out) {
- return -1;
- }
- state->out_max = new_max;
- }
-
- state->out[state->out_len++] = *token;
- return 0;
-}
-
-int
-sl_pp_process_get(struct sl_pp_context *context,
- struct sl_pp_token_info *output)
-{
- if (!context->process_state.out) {
- if (context->line > 1) {
- struct sl_pp_token_info ti;
-
- ti.token = SL_PP_LINE;
- ti.data.line.lineno = context->line - 1;
- ti.data.line.fileno = context->file;
- if (sl_pp_process_out(&context->process_state, &ti)) {
- strcpy(context->error_msg, "out of memory");
- return -1;
- }
-
- ti.token = SL_PP_NEWLINE;
- if (sl_pp_process_out(&context->process_state, &ti)) {
- strcpy(context->error_msg, "out of memory");
- return -1;
- }
- }
- }
-
- for (;;) {
- struct sl_pp_token_info input;
- int found_eof = 0;
-
- if (context->process_state.out_len) {
- assert(context->process_state.out);
- *output = context->process_state.out[0];
-
- if (context->process_state.out_len > 1) {
- unsigned int i;
-
- for (i = 1; i < context->process_state.out_len; i++) {
- context->process_state.out[i - 1] = context->process_state.out[i];
- }
- }
- context->process_state.out_len--;
-
- return 0;
- }
-
- if (sl_pp_token_buffer_skip_white(&context->tokens, &input)) {
- return -1;
- }
- if (input.token == SL_PP_HASH) {
- if (sl_pp_token_buffer_skip_white(&context->tokens, &input)) {
- return -1;
- }
- switch (input.token) {
- case SL_PP_IDENTIFIER:
- {
- int name;
- int found_eol = 0;
- struct sl_pp_token_info endof;
- struct sl_pp_token_peek peek;
- int result = 0;
-
- /* Directive name. */
- name = input.data.identifier;
-
- if (sl_pp_token_buffer_skip_white(&context->tokens, &input)) {
- return -1;
- }
- sl_pp_token_buffer_unget(&context->tokens, &input);
-
- if (sl_pp_token_peek_init(&peek, &context->tokens)) {
- return -1;
- }
-
- while (!found_eol) {
- if (sl_pp_token_peek_get(&peek, &input)) {
- sl_pp_token_peek_destroy(&peek);
- return -1;
- }
- switch (input.token) {
- case SL_PP_NEWLINE:
- /* Preserve newline just for the sake of line numbering. */
- endof = input;
- found_eol = 1;
- break;
-
- case SL_PP_EOF:
- endof = input;
- found_eof = 1;
- found_eol = 1;
- break;
-
- default:
- break;
- }
- }
-
- if (name == context->dict._if) {
- struct sl_pp_token_buffer buffer;
-
- result = sl_pp_token_peek_to_buffer(&peek, &buffer);
- if (result == 0) {
- result = sl_pp_process_if(context, &buffer);
- sl_pp_token_buffer_destroy(&buffer);
- }
- } else if (name == context->dict.ifdef) {
- result = sl_pp_process_ifdef(context, peek.tokens, 0, peek.size - 1);
- } else if (name == context->dict.ifndef) {
- result = sl_pp_process_ifndef(context, peek.tokens, 0, peek.size - 1);
- } else if (name == context->dict.elif) {
- struct sl_pp_token_buffer buffer;
-
- result = sl_pp_token_peek_to_buffer(&peek, &buffer);
- if (result == 0) {
- result = sl_pp_process_elif(context, &buffer);
- sl_pp_token_buffer_destroy(&buffer);
- }
- } else if (name == context->dict._else) {
- result = sl_pp_process_else(context, peek.tokens, 0, peek.size - 1);
- } else if (name == context->dict.endif) {
- result = sl_pp_process_endif(context, peek.tokens, 0, peek.size - 1);
- } else if (context->if_value) {
- if (name == context->dict.define) {
- result = sl_pp_process_define(context, peek.tokens, 0, peek.size - 1);
- } else if (name == context->dict.error) {
- sl_pp_process_error(context, peek.tokens, 0, peek.size - 1);
- result = -1;
- } else if (name == context->dict.extension) {
- result = sl_pp_process_extension(context, peek.tokens, 0, peek.size - 1, &context->process_state);
- } else if (name == context->dict.line) {
- struct sl_pp_token_buffer buffer;
-
- result = sl_pp_token_peek_to_buffer(&peek, &buffer);
- if (result == 0) {
- result = sl_pp_process_line(context, &buffer, &context->process_state);
- sl_pp_token_buffer_destroy(&buffer);
- }
- } else if (name == context->dict.pragma) {
- result = sl_pp_process_pragma(context, peek.tokens, 0, peek.size - 1, &context->process_state);
- } else if (name == context->dict.undef) {
- result = sl_pp_process_undef(context, peek.tokens, 0, peek.size - 1);
- } else {
- strcpy(context->error_msg, "unrecognised directive name");
- result = -1;
- }
- }
-
- sl_pp_token_peek_commit(&peek);
- sl_pp_token_peek_destroy(&peek);
-
- if (result) {
- return result;
- }
-
- if (sl_pp_process_out(&context->process_state, &endof)) {
- strcpy(context->error_msg, "out of memory");
- return -1;
- }
- context->line++;
- }
- break;
-
- case SL_PP_NEWLINE:
- /* Empty directive. */
- if (sl_pp_process_out(&context->process_state, &input)) {
- strcpy(context->error_msg, "out of memory");
- return -1;
- }
- context->line++;
- break;
-
- case SL_PP_EOF:
- /* Empty directive. */
- if (sl_pp_process_out(&context->process_state, &input)) {
- strcpy(context->error_msg, "out of memory");
- return -1;
- }
- found_eof = 1;
- break;
-
- default:
- strcpy(context->error_msg, "expected a directive name");
- return -1;
- }
- } else {
- int found_eol = 0;
-
- sl_pp_token_buffer_unget(&context->tokens, &input);
-
- while (!found_eol) {
- if (sl_pp_token_buffer_get(&context->tokens, &input)) {
- return -1;
- }
-
- switch (input.token) {
- case SL_PP_WHITESPACE:
- /* Drop whitespace all together at this point. */
- break;
-
- case SL_PP_NEWLINE:
- /* Preserve newline just for the sake of line numbering. */
- if (sl_pp_process_out(&context->process_state, &input)) {
- strcpy(context->error_msg, "out of memory");
- return -1;
- }
- context->line++;
- found_eol = 1;
- break;
-
- case SL_PP_EOF:
- if (sl_pp_process_out(&context->process_state, &input)) {
- strcpy(context->error_msg, "out of memory");
- return -1;
- }
- found_eof = 1;
- found_eol = 1;
- break;
-
- case SL_PP_IDENTIFIER:
- sl_pp_token_buffer_unget(&context->tokens, &input);
- if (sl_pp_macro_expand(context, &context->tokens, NULL, &context->process_state,
- context->if_value ? sl_pp_macro_expand_normal : sl_pp_macro_expand_mute)) {
- return -1;
- }
- break;
-
- default:
- if (context->if_value) {
- if (sl_pp_process_out(&context->process_state, &input)) {
- strcpy(context->error_msg, "out of memory");
- return -1;
- }
- }
- }
- }
- }
-
- if (found_eof) {
- if (context->if_ptr != SL_PP_MAX_IF_NESTING) {
- strcpy(context->error_msg, "expected `#endif' directive");
- return -1;
- }
- }
- }
-}
-
-int
-sl_pp_process(struct sl_pp_context *context,
- struct sl_pp_token_info **output)
-{
- struct sl_pp_process_state state;
-
- memset(&state, 0, sizeof(state));
- for (;;) {
- struct sl_pp_token_info input;
-
- if (sl_pp_process_get(context, &input)) {
- free(state.out);
- return -1;
- }
- if (sl_pp_process_out(&state, &input)) {
- free(state.out);
- return -1;
- }
- if (input.token == SL_PP_EOF) {
- *output = state.out;
- return 0;
- }
- }
-}
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