diff options
Diffstat (limited to 'src/mesa/slang/slang_compile_operation.c')
| -rw-r--r-- | src/mesa/slang/slang_compile_operation.c | 334 |
1 files changed, 0 insertions, 334 deletions
diff --git a/src/mesa/slang/slang_compile_operation.c b/src/mesa/slang/slang_compile_operation.c deleted file mode 100644 index 5441d60df5..0000000000 --- a/src/mesa/slang/slang_compile_operation.c +++ /dev/null @@ -1,334 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.5.2 - * - * Copyright (C) 2005-2006 Brian Paul 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, sublicense, - * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL 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. - */ - -/** - * \file slang_compile_operation.c - * slang front-end compiler - * \author Michal Krol - */ - -#include "main/imports.h" -#include "slang_compile.h" -#include "slang_mem.h" - - -/** - * Init a slang_operation object - */ -GLboolean -slang_operation_construct(slang_operation * oper) -{ - oper->type = SLANG_OPER_NONE; - oper->children = NULL; - oper->num_children = 0; - oper->literal[0] = 0.0; - oper->literal_size = 1; - oper->array_constructor = GL_FALSE; - oper->a_id = SLANG_ATOM_NULL; - oper->a_obj = SLANG_ATOM_NULL; - oper->locals = _slang_variable_scope_new(NULL); - if (oper->locals == NULL) - return GL_FALSE; - _slang_variable_scope_ctr(oper->locals); - oper->fun = NULL; - oper->var = NULL; - oper->label = NULL; - return GL_TRUE; -} - -void -slang_operation_destruct(slang_operation * oper) -{ - GLuint i; - - for (i = 0; i < oper->num_children; i++) - slang_operation_destruct(oper->children + i); - _slang_free(oper->children); - slang_variable_scope_destruct(oper->locals); - _slang_free(oper->locals); - oper->children = NULL; - oper->num_children = 0; - oper->locals = NULL; -} - - -/** - * Recursively traverse 'oper', replacing occurances of 'oldScope' with - * 'newScope' in the oper->locals->outer_scope field. - */ -void -slang_replace_scope(slang_operation *oper, - slang_variable_scope *oldScope, - slang_variable_scope *newScope) -{ - GLuint i; - - if (oper->locals != newScope && - oper->locals->outer_scope == oldScope) { - /* found. replace old w/ new */ - oper->locals->outer_scope = newScope; - } - - if (oper->type == SLANG_OPER_VARIABLE_DECL) { - /* search/replace in the initializer */ - slang_variable *var; - var = _slang_variable_locate(oper->locals, oper->a_id, GL_TRUE); - if (var && var->initializer) { - slang_replace_scope(var->initializer, oldScope, newScope); - } - } - - /* search/replace in children */ - for (i = 0; i < oper->num_children; i++) { - slang_replace_scope(&oper->children[i], oldScope, newScope); - } -} - - -/** - * Recursively copy a slang_operation node. - * \param x copy target - * \param y copy source - * \return GL_TRUE for success, GL_FALSE if failure - */ -GLboolean -slang_operation_copy(slang_operation * x, const slang_operation * y) -{ - slang_operation z; - GLuint i; - - if (!slang_operation_construct(&z)) - return GL_FALSE; - z.type = y->type; - if (y->num_children > 0) { - z.children = (slang_operation *) - _slang_alloc(y->num_children * sizeof(slang_operation)); - if (z.children == NULL) { - slang_operation_destruct(&z); - return GL_FALSE; - } - } - for (z.num_children = 0; z.num_children < y->num_children; - z.num_children++) { - if (!slang_operation_construct(&z.children[z.num_children])) { - slang_operation_destruct(&z); - return GL_FALSE; - } - } - for (i = 0; i < z.num_children; i++) { - if (!slang_operation_copy(&z.children[i], &y->children[i])) { - slang_operation_destruct(&z); - return GL_FALSE; - } - } - z.literal[0] = y->literal[0]; - z.literal[1] = y->literal[1]; - z.literal[2] = y->literal[2]; - z.literal[3] = y->literal[3]; - z.literal_size = y->literal_size; - assert(y->literal_size >= 1); - assert(y->literal_size <= 4); - z.a_id = y->a_id; - if (y->locals) { - if (!slang_variable_scope_copy(z.locals, y->locals)) { - slang_operation_destruct(&z); - return GL_FALSE; - } - } - - /* update scoping for children */ - for (i = 0; i < y->num_children; i++) { - if (y->children[i].locals && - y->children[i].locals->outer_scope == y->locals) { - z.children[i].locals->outer_scope = z.locals; - } - } - -#if 0 - z.var = y->var; - z.fun = y->fun; -#endif - slang_operation_destruct(x); - *x = z; - - /* If this operation declares a new scope, we need to make sure - * all children point to it, not the original operation's scope! - */ - if (x->type == SLANG_OPER_BLOCK_NEW_SCOPE || - x->type == SLANG_OPER_WHILE || - x->type == SLANG_OPER_FOR) { - slang_replace_scope(x, y->locals, x->locals); - } - - return GL_TRUE; -} - - -slang_operation * -slang_operation_new(GLuint count) -{ - slang_operation *ops - = (slang_operation *) _slang_alloc(count * sizeof(slang_operation)); - assert(count > 0); - if (ops) { - GLuint i; - for (i = 0; i < count; i++) - slang_operation_construct(ops + i); - } - return ops; -} - - -/** - * Delete operation and all children - */ -void -slang_operation_delete(slang_operation *oper) -{ - slang_operation_destruct(oper); - _slang_free(oper); -} - - -void -slang_operation_free_children(slang_operation *oper) -{ - GLuint i; - for (i = 0; i < slang_oper_num_children(oper); i++) { - slang_operation *child = slang_oper_child(oper, i); - slang_operation_destruct(child); - } - _slang_free(oper->children); - oper->children = NULL; - oper->num_children = 0; -} - - -slang_operation * -slang_operation_grow(GLuint *numChildren, slang_operation **children) -{ - slang_operation *ops; - - ops = (slang_operation *) - _slang_realloc(*children, - *numChildren * sizeof(slang_operation), - (*numChildren + 1) * sizeof(slang_operation)); - if (ops) { - slang_operation *newOp = ops + *numChildren; - if (!slang_operation_construct(newOp)) { - _slang_free(ops); - *children = NULL; - return NULL; - } - *children = ops; - (*numChildren)++; - return newOp; - } - return NULL; -} - -/** - * Insert a new slang_operation into an array. - * \param numElements pointer to current array size (in/out) - * \param array address of the array (in/out) - * \param pos position to insert new element - * \return pointer to the new operation/element - */ -slang_operation * -slang_operation_insert(GLuint *numElements, slang_operation **array, - GLuint pos) -{ - slang_operation *ops; - - assert(pos <= *numElements); - - ops = (slang_operation *) - _slang_alloc((*numElements + 1) * sizeof(slang_operation)); - if (ops) { - slang_operation *newOp; - newOp = ops + pos; - if (pos > 0) - memcpy(ops, *array, pos * sizeof(slang_operation)); - if (pos < *numElements) - memcpy(newOp + 1, (*array) + pos, - (*numElements - pos) * sizeof(slang_operation)); - - if (!slang_operation_construct(newOp)) { - _slang_free(ops); - *numElements = 0; - *array = NULL; - return NULL; - } - if (*array) - _slang_free(*array); - *array = ops; - (*numElements)++; - return newOp; - } - return NULL; -} - - -/** - * Add/insert new child into given node at given position. - * \return pointer to the new child node - */ -slang_operation * -slang_operation_insert_child(slang_operation *oper, GLuint pos) -{ - slang_operation *newOp; - - newOp = slang_operation_insert(&oper->num_children, - &oper->children, - pos); - if (newOp) { - newOp->locals->outer_scope = oper->locals; - } - - return newOp; -} - - -void -_slang_operation_swap(slang_operation *oper0, slang_operation *oper1) -{ - slang_operation tmp = *oper0; - *oper0 = *oper1; - *oper1 = tmp; -} - - -void -slang_operation_add_children(slang_operation *oper, GLuint num_children) -{ - GLuint i; - assert(oper->num_children == 0); - assert(oper->children == NULL); - oper->num_children = num_children; - oper->children = slang_operation_new(num_children); - for (i = 0; i < num_children; i++) { - oper->children[i].locals = _slang_variable_scope_new(oper->locals); - } -} - |