private ParseTree parseAsyncArrowFunction(Expression expressionIn) { SourcePosition start = getTreeStartLocation(); eatPredefinedString(ASYNC); if (peekImplicitSemiColon()) { reportError("No newline allowed between `async` and arrow function parameter list"); } FormalParameterListTree arrowParameterList = null; if (peek(TokenType.OPEN_PAREN)) { // async (...) => arrowParameterList = parseFormalParameterList(ParamContext.IMPLEMENTATION); } else { // async arg => final IdentifierExpressionTree singleParameter = parseIdentifierExpression(); arrowParameterList = new FormalParameterListTree( singleParameter.location, ImmutableList.<ParseTree>of(singleParameter)); } if (peekImplicitSemiColon()) { reportError("No newline allowed before '=>'"); } eat(TokenType.ARROW); ParseTree arrowFunctionBody = parseArrowFunctionBody(expressionIn, FunctionFlavor.ASYNCHRONOUS); FunctionDeclarationTree.Builder builder = FunctionDeclarationTree.builder(FunctionDeclarationTree.Kind.ARROW) .setAsync(true) .setFormalParameterList(arrowParameterList) .setFunctionBody(arrowFunctionBody); return builder.build(getTreeLocation(start)); }
FunctionDeclarationTree.Builder builder = FunctionDeclarationTree.builder(FunctionDeclarationTree.Kind.MEMBER) .setAsync(true) .setGenerator(generator) .setStatic(partial.isStatic) FunctionDeclarationTree.Builder builder = FunctionDeclarationTree.builder(FunctionDeclarationTree.Kind.EXPRESSION) .setAsync(true) .setGenerator(generator) .setStatic(partial.isStatic); FunctionDeclarationTree.Builder builder = FunctionDeclarationTree.builder(FunctionDeclarationTree.Kind.EXPRESSION) .setAsync(true) .setGenerator(generator) .setStatic(partial.isStatic);
private ParseTree parseAsyncFunctionDeclaration() { SourcePosition start = getTreeStartLocation(); eatAsyncFunctionStart(); boolean generator = peek(TokenType.STAR); if (generator) { eat(TokenType.STAR); } FunctionDeclarationTree.Builder builder = FunctionDeclarationTree.builder(FunctionDeclarationTree.Kind.DECLARATION) .setName(eatId()) .setAsync(true); parseFunctionTail( builder, generator ? FunctionFlavor.ASYNCHRONOUS_GENERATOR : FunctionFlavor.ASYNCHRONOUS); return builder.build(getTreeLocation(start)); }
private ParseTree parseAsyncFunctionExpression() { SourcePosition start = getTreeStartLocation(); eatAsyncFunctionStart(); boolean generator = peek(TokenType.STAR); if (generator) { eat(TokenType.STAR); } FunctionDeclarationTree.Builder builder = FunctionDeclarationTree.builder(FunctionDeclarationTree.Kind.EXPRESSION) .setName(eatIdOpt()) .setAsync(true); parseFunctionTail( builder, generator ? FunctionFlavor.ASYNCHRONOUS_GENERATOR : FunctionFlavor.ASYNCHRONOUS); return builder.build(getTreeLocation(start)); }