third_party_spirv-tools/source/text.h
David Neto b5dc8fcd5d Support strings with up to 65535 chars, and null.
Move the definition of spv_instruction_t to an internal
header file, since it now depends on C++ and is not
used by the external interface.

Use a std::vector<uint32_t> in spv_instruction_t
instead of a fixed size array.
2015-10-26 12:55:33 -04:00

77 lines
2.5 KiB
C++

// Copyright (c) 2015 The Khronos Group Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and/or associated documentation files (the
// "Materials"), to deal in the Materials without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Materials, and to
// permit persons to whom the Materials are 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 Materials.
//
// MODIFICATIONS TO THIS FILE MAY MEAN IT NO LONGER ACCURATELY REFLECTS
// KHRONOS STANDARDS. THE UNMODIFIED, NORMATIVE VERSIONS OF KHRONOS
// SPECIFICATIONS AND HEADER INFORMATION ARE LOCATED AT
// https://www.khronos.org/registry/
//
// THE MATERIALS ARE 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 THE AUTHORS OR COPYRIGHT HOLDERS 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
// MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
#ifndef _LIBSPIRV_UTIL_TEXT_H_
#define _LIBSPIRV_UTIL_TEXT_H_
#include <libspirv/libspirv.h>
#include "operand.h"
#include <string>
// Structures
typedef enum spv_literal_type_t {
SPV_LITERAL_TYPE_INT_32,
SPV_LITERAL_TYPE_INT_64,
SPV_LITERAL_TYPE_UINT_32,
SPV_LITERAL_TYPE_UINT_64,
SPV_LITERAL_TYPE_FLOAT_32,
SPV_LITERAL_TYPE_FLOAT_64,
SPV_LITERAL_TYPE_STRING,
SPV_FORCE_32_BIT_ENUM(spv_literal_type_t)
} spv_literal_type_t;
typedef struct spv_literal_t {
spv_literal_type_t type;
union value_t {
int32_t i32;
int64_t i64;
uint32_t u32;
uint64_t u64;
float f;
double d;
// Allow room for the null terminator, and two surrounding quotes.
char str[SPV_LIMIT_LITERAL_STRING_MAX + 3];
} value;
} spv_literal_t;
// Functions
/// @brief Convert the input text to one of the number types.
///
/// String literals must be surrounded by double-quotes ("), which are
/// then stripped.
///
/// @param[in] textValue input text to parse
/// @param[out] pLiteral the returned literal number
///
/// @return result code
spv_result_t spvTextToLiteral(const char *textValue, spv_literal_t *pLiteral);
#endif