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// Copyright 2020 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#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, const ProgramOptions& options) {
// core-dialect -> WGSL-dialect
if (auto res = Raise(module); res != Success) {
return res.Failure();
}
auto program = IRToProgram(module, options);
if (!program.IsValid()) {
return Failure{program.Diagnostics()};
}
return Generate(program, Options{});
}
} // namespace tint::wgsl::writer