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/*
* 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 "imports.h"
#include "slang_compile.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 = (float) 0;
oper->a_id = SLANG_ATOM_NULL;
oper->locals =
(slang_variable_scope *)
slang_alloc_malloc(sizeof(slang_variable_scope));
if (oper->locals == NULL)
return GL_FALSE;
_slang_variable_scope_ctr(oper->locals);
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_alloc_free(oper->children);
slang_variable_scope_destruct(oper->locals);
slang_alloc_free(oper->locals);
}
/**
* Recursively copy a slang_operation node.
* \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;
z.children = (slang_operation *)
slang_alloc_malloc(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 = y->literal;
z.a_id = y->a_id;
if (!slang_variable_scope_copy(z.locals, y->locals)) {
slang_operation_destruct(&z);
return GL_FALSE;
}
slang_operation_destruct(x);
*x = z;
return GL_TRUE;
}
slang_operation *
slang_operation_new(GLuint count)
{
return (slang_operation *) _mesa_calloc(count * sizeof(slang_operation));
}
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