Linter Demo

Errors: 0

Warnings: 6

File: /home/fstrocco/Dart/dart/benchmark/compiler/lib/src/scanner/partial_parser.dart

// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file // for details. All rights reserved. Use of this source code is governed by a // BSD-style license that can be found in the LICENSE file. part of scanner; class PartialParser extends Parser { PartialParser(Listener listener) : super(listener); Token parseClassBody(Token token) => skipClassBody(token); Token fullParseClassBody(Token token) => super.parseClassBody(token); Token parseExpression(Token token) => skipExpression(token); Token parseArgumentsOpt(Token token) { // This method is overridden for two reasons: // 1. Avoid generating events for arguments. // 2. Avoid calling skip expression for each argument (which doesn't work). if (optional('(', token)) { BeginGroupToken begin = token; return begin.endGroup.next; } else { return token; } } Token skipExpression(Token token) { while (true) { final kind = token.kind; final value = token.stringValue; if ((identical(kind, EOF_TOKEN)) || (identical(value, ';')) || (identical(value, ',')) || (identical(value, '}')) || (identical(value, ')')) || (identical(value, ']'))) { break; } if (identical(value, '=') || identical(value, '?') || identical(value, ':')) { var nextValue = token.next.stringValue; if (identical(nextValue, 'const')) { token = token.next; nextValue = token.next.stringValue; } if (identical(nextValue, '{')) { // Handle cases like this: // class Foo { // var map; // Foo() : map = {}; // Foo.x() : map = true ? {} : {}; // } BeginGroupToken begin = token.next; token = (begin.endGroup != null) ? begin.endGroup : token; token = token.next; continue; } if (identical(nextValue, '<')) { // Handle cases like this: // class Foo { // var map; // Foo() : map = <String, Foo>{}; // Foo.x() : map = true ? <String, Foo>{} : <String, Foo>{}; // } BeginGroupToken begin = token.next; token = (begin.endGroup != null) ? begin.endGroup : token; token = token.next; if (identical(token.stringValue, '{')) { begin = token; token = (begin.endGroup != null) ? begin.endGroup : token; token = token.next; } continue; } } if (!mayParseFunctionExpressions && identical(value, '{')) { break; } if (token is BeginGroupToken) { BeginGroupToken begin = token; token = (begin.endGroup != null) ? begin.endGroup : token; } else if (token is ErrorToken) { listener.reportErrorToken(token); } token = token.next; } return token; } Token skipClassBody(Token token) { if (!optional('{', token)) { return listener.expectedClassBodyToSkip(token); } BeginGroupToken beginGroupToken = token; Token endGroup = beginGroupToken.endGroup; if (endGroup == null) { return listener.unmatched(beginGroupToken); } else if (!identical(endGroup.kind, $CLOSE_CURLY_BRACKET)) { return listener.unmatched(beginGroupToken); } return endGroup; } Token skipAsyncModifier(Token token) { String value = token.stringValue; if (identical(value, 'async')) { token = token.next; value = token.stringValue; if (identical(value, '*')) { token = token.next; } } else if (identical(value, 'sync')) { token = token.next; value = token.stringValue; if (identical(value, '*')) { token = token.next; } } return token; } Token parseFunctionBody(Token token, bool isExpression, bool allowAbstract) { assert(!isExpression); token = skipAsyncModifier(token); String value = token.stringValue; if (identical(value, ';')) { if (!allowAbstract) { listener.reportError(token, MessageKind.BODY_EXPECTED); } listener.handleNoFunctionBody(token); } else { if (identical(value, '=>')) { token = parseExpression(token.next); expectSemicolon(token); } else if (value == '=') { token = parseRedirectingFactoryBody(token); expectSemicolon(token); } else { token = skipBlock(token); } listener.skippedFunctionBody(token); } return token; } Token parseFormalParameters(Token token) => skipFormals(token); Token skipFormals(Token token) { listener.beginOptionalFormalParameters(token); if (!optional('(', token)) { if (optional(';', token)) { listener.recoverableError(token, "expected '('"); return token; } return listener.unexpected(token); } BeginGroupToken beginGroupToken = token; Token endToken = beginGroupToken.endGroup; listener.endFormalParameters(0, token, endToken); return endToken.next; } }