Index: frog/leg/scanner/partial_parser.dart |
=================================================================== |
--- frog/leg/scanner/partial_parser.dart (revision 5925) |
+++ frog/leg/scanner/partial_parser.dart (working copy) |
@@ -1,110 +0,0 @@ |
-// 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. |
- |
-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 skipExpression(Token token) { |
- while (true) { |
- final kind = token.kind; |
- final value = token.stringValue; |
- if ((kind === EOF_TOKEN) || |
- (value === ';') || |
- (value === ',') || |
- (value === ']')) |
- return token; |
- if (value === '=') { |
- var nextValue = token.next.stringValue; |
- if (nextValue === 'const') { |
- token = token.next; |
- nextValue = token.next.stringValue; |
- } |
- if (nextValue === '{') { |
- // Handle cases like this: |
- // class Foo { |
- // var map; |
- // Foo() : map = {}; |
- // } |
- BeginGroupToken begin = token.next; |
- token = (begin.endGroup !== null) ? begin.endGroup : token; |
- token = token.next; |
- continue; |
- } |
- if (nextValue === '<') { |
- // Handle cases like this: |
- // class Foo { |
- // var map; |
- // Foo() : map = <Foo>{}; |
- // } |
- BeginGroupToken begin = token.next; |
- token = (begin.endGroup !== null) ? begin.endGroup : token; |
- token = token.next; |
- if (token.stringValue === '{') { |
- begin = token; |
- token = (begin.endGroup !== null) ? begin.endGroup : token; |
- token = token.next; |
- } |
- continue; |
- } |
- } |
- if (!mayParseFunctionExpressions && value === '{') |
- return token; |
- if ((value !== '<') && (token is BeginGroupToken)) { |
- BeginGroupToken begin = token; |
- token = (begin.endGroup !== null) ? begin.endGroup : token; |
- } |
- token = token.next; |
- } |
- } |
- |
- Token skipClassBody(Token token) { |
- if (!optional('{', token)) { |
- return listener.expectedClassBodyToSkip(token); |
- } |
- BeginGroupToken beginGroupToken = token; |
- assert(beginGroupToken.endGroup === null || |
- beginGroupToken.endGroup.kind === $CLOSE_CURLY_BRACKET); |
- return beginGroupToken.endGroup; |
- } |
- |
- Token parseFunctionBody(Token token, bool isExpression) { |
- assert(!isExpression); |
- String value = token.stringValue; |
- if (value === ';') { |
- // No body. |
- } else if (value === '=>') { |
- token = parseExpression(token.next); |
- expectSemicolon(token); |
- } else { |
- token = skipBlock(token); |
- } |
- // There is no "skipped function body event", so we use |
- // handleNoFunctionBody instead. |
- listener.handleNoFunctionBody(token); |
- return token; |
- } |
- |
- Token parseFormalParameters(Token token) => skipFormals(token); |
- |
- Token skipFormals(Token token) { |
- listener.beginOptionalFormalParameters(token); |
- if (!optional('(', token)) { |
- if (optional(';', token)) { |
- listener.recoverableError("expected '('", token: token); |
- return token; |
- } |
- return listener.unexpected(token); |
- } |
- BeginGroupToken beginGroupToken = token; |
- Token endToken = beginGroupToken.endGroup; |
- listener.endFormalParameters(0, token, endToken); |
- return endToken.next; |
- } |
-} |