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/**************************************************************************
*
* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
* 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 "util/u_debug.h"
#include "tgsi_iterate.h"
boolean
tgsi_iterate_shader(
const struct tgsi_token *tokens,
struct tgsi_iterate_context *ctx )
{
struct tgsi_parse_context parse;
if (tgsi_parse_init( &parse, tokens ) != TGSI_PARSE_OK)
return FALSE;
ctx->processor = parse.FullHeader.Processor;
ctx->version = parse.FullVersion.Version;
if (ctx->prolog)
if (!ctx->prolog( ctx ))
goto fail;
while (!tgsi_parse_end_of_tokens( &parse )) {
tgsi_parse_token( &parse );
switch (parse.FullToken.Token.Type) {
case TGSI_TOKEN_TYPE_INSTRUCTION:
if (ctx->iterate_instruction)
if (!ctx->iterate_instruction( ctx, &parse.FullToken.FullInstruction ))
goto fail;
break;
case TGSI_TOKEN_TYPE_DECLARATION:
if (ctx->iterate_declaration)
if (!ctx->iterate_declaration( ctx, &parse.FullToken.FullDeclaration ))
goto fail;
break;
case TGSI_TOKEN_TYPE_IMMEDIATE:
if (ctx->iterate_immediate)
if (!ctx->iterate_immediate( ctx, &parse.FullToken.FullImmediate ))
goto fail;
break;
default:
assert( 0 );
}
}
if (ctx->epilog)
if (!ctx->epilog( ctx ))
goto fail;
tgsi_parse_free( &parse );
return TRUE;
fail:
tgsi_parse_free( &parse );
return FALSE;
}
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