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Diffstat (limited to '')
-rw-r--r-- | third_party/wasm2c/src/feature.cc | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/third_party/wasm2c/src/feature.cc b/third_party/wasm2c/src/feature.cc new file mode 100644 index 0000000000..88b474c290 --- /dev/null +++ b/third_party/wasm2c/src/feature.cc @@ -0,0 +1,56 @@ +/* + * Copyright 2017 WebAssembly Community Group participants + * + * 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 "wabt/feature.h" + +#include "wabt/option-parser.h" + +namespace wabt { + +void Features::AddOptions(OptionParser* parser) { +#define WABT_FEATURE(variable, flag, default_, help) \ + if (default_ == true) { \ + parser->AddOption("disable-" flag, "Disable " help, \ + [this]() { disable_##variable(); }); \ + } else { \ + parser->AddOption("enable-" flag, "Enable " help, \ + [this]() { enable_##variable(); }); \ + } + +#include "wabt/feature.def" +#undef WABT_FEATURE + parser->AddOption("enable-all", "Enable all features", + [this]() { EnableAll(); }); +} + +void Features::UpdateDependencies() { + // Exception handling requires reference types. + if (exceptions_enabled_) { + reference_types_enabled_ = true; + } + + // Function references require reference types. + if (function_references_enabled_) { + reference_types_enabled_ = true; + } + + // Reference types requires bulk memory. + if (!bulk_memory_enabled_) { + reference_types_enabled_ = false; + } +} + +} // namespace wabt |