Method ParseScript

src/wast-parser.cc:1314–1345

}

Result WastParser::ParseScript(std::unique_ptr<Script>* out_script) {
  WABT_TRACE(ParseScript);
  auto script = std::make_unique<Script>();
  script->filename = lexer_->Filename();

  // Don't consume the Lpar yet, even though it is required. This way the
  // sub-parser functions (e.g. ParseFuncModuleField) can consume it and keep
  // the parsing structure more regular.
  if (IsModuleField(PeekPair()) || PeekIsCustom()) {
    // Parse an inline module (i.e. one with no surrounding (module)).
    auto command = std::make_unique<ModuleCommand>();
    command->module.loc = GetLocation();
    CHECK_RESULT(ParseModuleFieldList(&command->module));
    script->commands.emplace_back(std::move(command));
  } else if (IsCommand(PeekPair())) {
    CHECK_RESULT(ParseCommandList(script.get(), &script->commands));
  } else if (PeekMatch(TokenType::Eof)) {
    errors_->emplace_back(ErrorLevel::Warning, GetLocation(),
                          lexer_->Filename(), "empty script");
  } else {
    ConsumeIfLpar();
    ErrorExpected({"a module field", "a command"});
  }

  EXPECT(Eof);
  if (!HasError()) {
    *out_script = std::move(script);
    return Result::Ok;
  } else {
    return Result::Error;
  }
}

Result WastParser::ParseCustomSectionAnnotation(Module* module) {
  WABT_TRACE(ParseCustomSectionAnnotation);