blob: 737f1733c832399dfb14bacc137c903afa92056d [file] [log] [blame]
// Copyright 2020 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/lang/wgsl/writer/writer.h"
#include <memory>
#include <utility>
#include "src/tint/lang/wgsl/program/program.h"
#include "src/tint/lang/wgsl/writer/ast_printer/ast_printer.h"
#include "src/tint/lang/wgsl/writer/ir_to_program/ir_to_program.h"
#include "src/tint/lang/wgsl/writer/raise/raise.h"
#if TINT_BUILD_SYNTAX_TREE_WRITER
#include "src/tint/lang/wgsl/writer/syntax_tree_printer/syntax_tree_printer.h"
#endif // TINT_BUILD_SYNTAX_TREE_WRITER
namespace tint::wgsl::writer {
Result<Output> Generate(const Program& program, const Options& options) {
(void)options;
Output output;
#if TINT_BUILD_SYNTAX_TREE_WRITER
if (options.use_syntax_tree_writer) {
// Generate the WGSL code.
auto impl = std::make_unique<SyntaxTreePrinter>(program);
if (!impl->Generate()) {
return Failure{impl->Diagnostics()};
}
output.wgsl = impl->Result();
} else // NOLINT(readability/braces)
#endif
{
// Generate the WGSL code.
auto impl = std::make_unique<ASTPrinter>(program);
if (!impl->Generate()) {
return Failure{impl->Diagnostics()};
}
output.wgsl = impl->Result();
}
return output;
}
Result<Output> WgslFromIR(core::ir::Module& module) {
// core-dialect -> WGSL-dialect
if (auto res = raise::Raise(module); !res) {
return res.Failure();
}
auto program = IRToProgram(module);
if (!program.IsValid()) {
return Failure{program.Diagnostics()};
}
return Generate(program, Options{});
}
} // namespace tint::wgsl::writer