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// Copyright 2021 The Tint Authors
//
// 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 "src/tint/reader/spirv/parser_impl_test_helper.h"
#include "src/tint/writer/wgsl/generator_impl.h"
namespace tint::reader::spirv::test {
// Default to not dumping the SPIR-V assembly.
bool ParserImplWrapperForTest::dump_successfully_converted_spirv_ = false;
ParserImplWrapperForTest::ParserImplWrapperForTest(const std::vector<uint32_t>& input)
: impl_(input) {}
ParserImplWrapperForTest::~ParserImplWrapperForTest() {
if (dump_successfully_converted_spirv_ && !skip_dumping_spirv_ && !impl_.spv_binary().empty() &&
impl_.success()) {
std::string disassembly = Disassemble(impl_.spv_binary());
std::cout << "BEGIN ConvertedOk:\n" << disassembly << "\nEND ConvertedOk" << std::endl;
}
}
std::string ToString(const Program& program) {
writer::wgsl::GeneratorImpl writer(&program);
if (!writer.Generate()) {
return "WGSL writer error: " + writer.error();
}
return writer.result();
}
std::string ToString(const Program& program, const ast::StatementList& stmts) {
writer::wgsl::GeneratorImpl writer(&program);
for (const auto* stmt : stmts) {
if (!writer.EmitStatement(stmt)) {
return "WGSL writer error: " + writer.error();
}
}
return writer.result();
}
std::string ToString(const Program& program, const ast::Node* node) {
writer::wgsl::GeneratorImpl writer(&program);
if (auto* expr = node->As<ast::Expression>()) {
std::stringstream out;
if (!writer.EmitExpression(out, expr)) {
return "WGSL writer error: " + writer.error();
}
return out.str();
} else if (auto* stmt = node->As<ast::Statement>()) {
if (!writer.EmitStatement(stmt)) {
return "WGSL writer error: " + writer.error();
}
} else if (auto* ty = node->As<ast::Type>()) {
std::stringstream out;
if (!writer.EmitType(out, ty)) {
return "WGSL writer error: " + writer.error();
}
return out.str();
} else {
return "<unhandled AST node type " + std::string(node->TypeInfo().name) + ">";
}
return writer.result();
}
} // namespace tint::reader::spirv::test