| // Copyright 2023 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. |
| |
| // GEN_BUILD:CONDITION(tint_build_wgsl_reader && tint_build_wgsl_writer) |
| |
| #include <iostream> |
| |
| #include "src/tint/cmd/fuzz/ir/fuzz.h" |
| #include "src/tint/lang/core/ir/disassembly.h" |
| #include "src/tint/lang/wgsl/reader/lower/lower.h" |
| #include "src/tint/lang/wgsl/reader/parser/parser.h" |
| #include "src/tint/lang/wgsl/reader/program_to_ir/program_to_ir.h" |
| #include "src/tint/lang/wgsl/writer/ir_to_program/ir_to_program.h" |
| #include "src/tint/lang/wgsl/writer/raise/raise.h" |
| #include "src/tint/lang/wgsl/writer/writer.h" |
| |
| namespace tint::wgsl { |
| |
| void IRRoundtripFuzzer(core::ir::Module& ir) { |
| if (auto res = tint::wgsl::writer::Raise(ir); res != Success) { |
| TINT_ICE() << res.Failure(); |
| return; |
| } |
| |
| writer::ProgramOptions program_options; |
| program_options.allowed_features = AllowedFeatures::Everything(); |
| auto dst = tint::wgsl::writer::IRToProgram(ir, program_options); |
| if (!dst.IsValid()) { |
| std::cerr << "IR:\n" << core::ir::Disassemble(ir).Plain() << std::endl; |
| if (auto result = tint::wgsl::writer::Generate(dst, {}); result == Success) { |
| std::cerr << "WGSL:\n" << result->wgsl << std::endl << std::endl; |
| } |
| TINT_ICE() << dst.Diagnostics(); |
| return; |
| } |
| |
| return; |
| } |
| |
| } // namespace tint::wgsl |
| |
| TINT_IR_MODULE_FUZZER(tint::wgsl::IRRoundtripFuzzer); |