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Diffstat (limited to 'src/glsl/pp/sl_pp_expression.c')
-rw-r--r--src/glsl/pp/sl_pp_expression.c413
1 files changed, 0 insertions, 413 deletions
diff --git a/src/glsl/pp/sl_pp_expression.c b/src/glsl/pp/sl_pp_expression.c
deleted file mode 100644
index c3f48356b0..0000000000
--- a/src/glsl/pp/sl_pp_expression.c
+++ /dev/null
@@ -1,413 +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 <string.h>
-#include "sl_pp_context.h"
-#include "sl_pp_expression.h"
-#include "sl_pp_public.h"
-#include "sl_pp_token.h"
-
-
-struct parse_context {
- struct sl_pp_context *context;
- const struct sl_pp_token_info *input;
-};
-
-static int
-_parse_or(struct parse_context *ctx,
- int *result);
-
-static int
-_parse_primary(struct parse_context *ctx,
- int *result)
-{
- if (ctx->input->token == SL_PP_UINT) {
- *result = atoi(sl_pp_context_cstr(ctx->context, ctx->input->data._uint));
- ctx->input++;
- } else {
- if (ctx->input->token != SL_PP_LPAREN) {
- strcpy(ctx->context->error_msg, "expected `('");
- return -1;
- }
- ctx->input++;
- if (_parse_or(ctx, result)) {
- return -1;
- }
- if (ctx->input->token != SL_PP_RPAREN) {
- strcpy(ctx->context->error_msg, "expected `)'");
- return -1;
- }
- ctx->input++;
- }
- return 0;
-}
-
-static int
-_parse_unary(struct parse_context *ctx,
- int *result)
-{
- if (!_parse_primary(ctx, result)) {
- return 0;
- }
-
- switch (ctx->input->token) {
- case SL_PP_PLUS:
- ctx->input++;
- if (_parse_unary(ctx, result)) {
- return -1;
- }
- *result = +*result;
- break;
-
- case SL_PP_MINUS:
- ctx->input++;
- if (_parse_unary(ctx, result)) {
- return -1;
- }
- *result = -*result;
- break;
-
- case SL_PP_NOT:
- ctx->input++;
- if (_parse_unary(ctx, result)) {
- return -1;
- }
- *result = !*result;
- break;
-
- case SL_PP_BITNOT:
- ctx->input++;
- if (_parse_unary(ctx, result)) {
- return -1;
- }
- *result = ~*result;
- break;
-
- default:
- return -1;
- }
-
- return 0;
-}
-
-static int
-_parse_multiplicative(struct parse_context *ctx,
- int *result)
-{
- if (_parse_unary(ctx, result)) {
- return -1;
- }
- for (;;) {
- int right;
-
- switch (ctx->input->token) {
- case SL_PP_STAR:
- ctx->input++;
- if (_parse_unary(ctx, &right)) {
- return -1;
- }
- *result = *result * right;
- break;
-
- case SL_PP_SLASH:
- ctx->input++;
- if (_parse_unary(ctx, &right)) {
- return -1;
- }
- *result = *result / right;
- break;
-
- case SL_PP_MODULO:
- ctx->input++;
- if (_parse_unary(ctx, &right)) {
- return -1;
- }
- *result = *result % right;
- break;
-
- default:
- return 0;
- }
- }
-}
-
-static int
-_parse_additive(struct parse_context *ctx,
- int *result)
-{
- if (_parse_multiplicative(ctx, result)) {
- return -1;
- }
- for (;;) {
- int right;
-
- switch (ctx->input->token) {
- case SL_PP_PLUS:
- ctx->input++;
- if (_parse_multiplicative(ctx, &right)) {
- return -1;
- }
- *result = *result + right;
- break;
-
- case SL_PP_MINUS:
- ctx->input++;
- if (_parse_multiplicative(ctx, &right)) {
- return -1;
- }
- *result = *result - right;
- break;
-
- default:
- return 0;
- }
- }
-}
-
-static int
-_parse_shift(struct parse_context *ctx,
- int *result)
-{
- if (_parse_additive(ctx, result)) {
- return -1;
- }
- for (;;) {
- int right;
-
- switch (ctx->input->token) {
- case SL_PP_LSHIFT:
- ctx->input++;
- if (_parse_additive(ctx, &right)) {
- return -1;
- }
- *result = *result << right;
- break;
-
- case SL_PP_RSHIFT:
- ctx->input++;
- if (_parse_additive(ctx, &right)) {
- return -1;
- }
- *result = *result >> right;
- break;
-
- default:
- return 0;
- }
- }
-}
-
-static int
-_parse_relational(struct parse_context *ctx,
- int *result)
-{
- if (_parse_shift(ctx, result)) {
- return -1;
- }
- for (;;) {
- int right;
-
- switch (ctx->input->token) {
- case SL_PP_LESSEQUAL:
- ctx->input++;
- if (_parse_shift(ctx, &right)) {
- return -1;
- }
- *result = *result <= right;
- break;
-
- case SL_PP_GREATEREQUAL:
- ctx->input++;
- if (_parse_shift(ctx, &right)) {
- return -1;
- }
- *result = *result >= right;
- break;
-
- case SL_PP_LESS:
- ctx->input++;
- if (_parse_shift(ctx, &right)) {
- return -1;
- }
- *result = *result < right;
- break;
-
- case SL_PP_GREATER:
- ctx->input++;
- if (_parse_shift(ctx, &right)) {
- return -1;
- }
- *result = *result > right;
- break;
-
- default:
- return 0;
- }
- }
-}
-
-static int
-_parse_equality(struct parse_context *ctx,
- int *result)
-{
- if (_parse_relational(ctx, result)) {
- return -1;
- }
- for (;;) {
- int right;
-
- switch (ctx->input->token) {
- case SL_PP_EQUAL:
- ctx->input++;
- if (_parse_relational(ctx, &right)) {
- return -1;
- }
- *result = *result == right;
- break;
-
- case SL_PP_NOTEQUAL:
- ctx->input++;
- if (_parse_relational(ctx, &right)) {
- return -1;
- }
- *result = *result != right;
- break;
-
- default:
- return 0;
- }
- }
-}
-
-static int
-_parse_bitand(struct parse_context *ctx,
- int *result)
-{
- if (_parse_equality(ctx, result)) {
- return -1;
- }
- while (ctx->input->token == SL_PP_BITAND) {
- int right;
-
- ctx->input++;
- if (_parse_equality(ctx, &right)) {
- return -1;
- }
- *result = *result & right;
- }
- return 0;
-}
-
-static int
-_parse_xor(struct parse_context *ctx,
- int *result)
-{
- if (_parse_bitand(ctx, result)) {
- return -1;
- }
- while (ctx->input->token == SL_PP_XOR) {
- int right;
-
- ctx->input++;
- if (_parse_bitand(ctx, &right)) {
- return -1;
- }
- *result = *result ^ right;
- }
- return 0;
-}
-
-static int
-_parse_bitor(struct parse_context *ctx,
- int *result)
-{
- if (_parse_xor(ctx, result)) {
- return -1;
- }
- while (ctx->input->token == SL_PP_BITOR) {
- int right;
-
- ctx->input++;
- if (_parse_xor(ctx, &right)) {
- return -1;
- }
- *result = *result | right;
- }
- return 0;
-}
-
-static int
-_parse_and(struct parse_context *ctx,
- int *result)
-{
- if (_parse_bitor(ctx, result)) {
- return -1;
- }
- while (ctx->input->token == SL_PP_AND) {
- int right;
-
- ctx->input++;
- if (_parse_bitor(ctx, &right)) {
- return -1;
- }
- *result = *result && right;
- }
- return 0;
-}
-
-static int
-_parse_or(struct parse_context *ctx,
- int *result)
-{
- if (_parse_and(ctx, result)) {
- return -1;
- }
- while (ctx->input->token == SL_PP_OR) {
- int right;
-
- ctx->input++;
- if (_parse_and(ctx, &right)) {
- return -1;
- }
- *result = *result || right;
- }
- return 0;
-}
-
-int
-sl_pp_execute_expression(struct sl_pp_context *context,
- const struct sl_pp_token_info *input,
- int *result)
-{
- struct parse_context ctx;
-
- ctx.context = context;
- ctx.input = input;
-
- return _parse_or(&ctx, result);
-}
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