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/*
* Mesa 3-D graphics library
* Version: 6.5.3
*
* Copyright (C) 2005-2007 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_struct.c
* slang front-end compiler
* \author Michal Krol
*/
#include "imports.h"
#include "slang_mem.h"
#include "slang_compile.h"
GLvoid
_slang_struct_scope_ctr(slang_struct_scope * self)
{
self->structs = NULL;
self->num_structs = 0;
self->outer_scope = NULL;
}
void
slang_struct_scope_destruct(slang_struct_scope * scope)
{
GLuint i;
for (i = 0; i < scope->num_structs; i++)
slang_struct_destruct(scope->structs + i);
_slang_free(scope->structs);
/* do not free scope->outer_scope */
}
int
slang_struct_scope_copy(slang_struct_scope * x, const slang_struct_scope * y)
{
slang_struct_scope z;
GLuint i;
_slang_struct_scope_ctr(&z);
z.structs = (slang_struct *)
_slang_alloc(y->num_structs * sizeof(slang_struct));
if (z.structs == NULL) {
slang_struct_scope_destruct(&z);
return 0;
}
for (z.num_structs = 0; z.num_structs < y->num_structs; z.num_structs++)
if (!slang_struct_construct(&z.structs[z.num_structs])) {
slang_struct_scope_destruct(&z);
return 0;
}
for (i = 0; i < z.num_structs; i++)
if (!slang_struct_copy(&z.structs[i], &y->structs[i])) {
slang_struct_scope_destruct(&z);
return 0;
}
z.outer_scope = y->outer_scope;
slang_struct_scope_destruct(x);
*x = z;
return 1;
}
slang_struct *
slang_struct_scope_find(slang_struct_scope * stru, slang_atom a_name,
int all_scopes)
{
GLuint i;
for (i = 0; i < stru->num_structs; i++)
if (a_name == stru->structs[i].a_name)
return &stru->structs[i];
if (all_scopes && stru->outer_scope != NULL)
return slang_struct_scope_find(stru->outer_scope, a_name, 1);
return NULL;
}
/* slang_struct */
int
slang_struct_construct(slang_struct * stru)
{
stru->a_name = SLANG_ATOM_NULL;
stru->fields = (slang_variable_scope *)
_slang_alloc(sizeof(slang_variable_scope));
if (stru->fields == NULL)
return 0;
_slang_variable_scope_ctr(stru->fields);
stru->structs =
(slang_struct_scope *) _slang_alloc(sizeof(slang_struct_scope));
if (stru->structs == NULL) {
slang_variable_scope_destruct(stru->fields);
_slang_free(stru->fields);
return 0;
}
_slang_struct_scope_ctr(stru->structs);
stru->constructor = NULL;
return 1;
}
void
slang_struct_destruct(slang_struct * stru)
{
slang_variable_scope_destruct(stru->fields);
_slang_free(stru->fields);
slang_struct_scope_destruct(stru->structs);
_slang_free(stru->structs);
}
int
slang_struct_copy(slang_struct * x, const slang_struct * y)
{
slang_struct z;
if (!slang_struct_construct(&z))
return 0;
z.a_name = y->a_name;
if (!slang_variable_scope_copy(z.fields, y->fields)) {
slang_struct_destruct(&z);
return 0;
}
if (!slang_struct_scope_copy(z.structs, y->structs)) {
slang_struct_destruct(&z);
return 0;
}
slang_struct_destruct(x);
*x = z;
return 1;
}
int
slang_struct_equal(const slang_struct * x, const slang_struct * y)
{
GLuint i;
if (x->fields->num_variables != y->fields->num_variables)
return 0;
for (i = 0; i < x->fields->num_variables; i++) {
const slang_variable *varx = x->fields->variables[i];
const slang_variable *vary = y->fields->variables[i];
if (varx->a_name != vary->a_name)
return 0;
if (!slang_type_specifier_equal(&varx->type.specifier,
&vary->type.specifier))
return 0;
if (varx->type.specifier.type == SLANG_SPEC_ARRAY)
if (varx->array_len != vary->array_len)
return GL_FALSE;
}
return 1;
}
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