assembly_grammar.cpp | Explore in Territory

// Copyright (c) 2015-2016 The Khronos Group Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "source/assembly_grammar.h"

#include <algorithm>
#include <cassert>
#include <cstring>

#include "source/ext_inst.h"
#include "source/opcode.h"
#include "source/operand.h"
#include "source/spirv_target_env.h"
#include "source/table.h"

namespace spvtools {
namespace {

/// @brief Parses a mask expression string for the given operand type.
///
/// A mask expression is a sequence of one or more terms separated by '|',
/// where each term a named enum value for the given type.  No whitespace
/// is permitted.
///
/// On success, the value is written to pValue.
///
/// @param[in] operandTable operand lookup table
/// @param[in] type of the operand
/// @param[in] textValue word of text to be parsed
/// @param[out] pValue where the resulting value is written
///
/// @return result code
spv_result_t spvTextParseMaskOperand(spv_target_env env,
                                     const spv_operand_table operandTable,
                                     const spv_operand_type_t type,
                                     const char* textValue, uint32_t* pValue) { … }

// Associates an opcode with its name.
struct SpecConstantOpcodeEntry { … };

// All the opcodes allowed as the operation for OpSpecConstantOp.
// The name does not have the usual "Op" prefix. For example opcode
// spv::Op::IAdd is associated with the name "IAdd".
//
// clang-format off
#define CASE …
const SpecConstantOpcodeEntry kOpSpecConstantOpcodes[] = …;

// The 60 is determined by counting the opcodes listed in the spec.
static_assert …;
#undef CASE
// clang-format on

const size_t kNumOpSpecConstantOpcodes = …;

}  // namespace

bool AssemblyGrammar::isValid() const { … }

CapabilitySet AssemblyGrammar::filterCapsAgainstTargetEnv(
    const spv::Capability* cap_array, uint32_t count) const { … }

spv_result_t AssemblyGrammar::lookupOpcode(const char* name,
                                           spv_opcode_desc* desc) const { … }

spv_result_t AssemblyGrammar::lookupOpcode(spv::Op opcode,
                                           spv_opcode_desc* desc) const { … }

spv_result_t AssemblyGrammar::lookupOperand(spv_operand_type_t type,
                                            const char* name, size_t name_len,
                                            spv_operand_desc* desc) const { … }

spv_result_t AssemblyGrammar::lookupOperand(spv_operand_type_t type,
                                            uint32_t operand,
                                            spv_operand_desc* desc) const { … }

spv_result_t AssemblyGrammar::lookupSpecConstantOpcode(const char* name,
                                                       spv::Op* opcode) const { … }

spv_result_t AssemblyGrammar::lookupSpecConstantOpcode(spv::Op opcode) const { … }

spv_result_t AssemblyGrammar::parseMaskOperand(const spv_operand_type_t type,
                                               const char* textValue,
                                               uint32_t* pValue) const { … }
spv_result_t AssemblyGrammar::lookupExtInst(spv_ext_inst_type_t type,
                                            const char* textValue,
                                            spv_ext_inst_desc* extInst) const { … }

spv_result_t AssemblyGrammar::lookupExtInst(spv_ext_inst_type_t type,
                                            uint32_t firstWord,
                                            spv_ext_inst_desc* extInst) const { … }

void AssemblyGrammar::pushOperandTypesForMask(
    const spv_operand_type_t type, const uint32_t mask,
    spv_operand_pattern_t* pattern) const { … }

}  // namespace spvtools
chromium/third_party/spirv-tools/src/source/assembly_grammar.cpp
