| /* |
| * Copyright 2000-2014 JetBrains s.r.o. |
| * |
| * 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. |
| */ |
| |
| package org.jetbrains.plugins.groovy.lang.parser.parsing.statements.expressions.arithmetic; |
| |
| import com.intellij.lang.PsiBuilder; |
| import org.jetbrains.plugins.groovy.GroovyBundle; |
| import org.jetbrains.plugins.groovy.lang.lexer.GroovyTokenTypes; |
| import org.jetbrains.plugins.groovy.lang.lexer.TokenSets; |
| import org.jetbrains.plugins.groovy.lang.parser.GroovyElementTypes; |
| import org.jetbrains.plugins.groovy.lang.parser.GroovyParser; |
| import org.jetbrains.plugins.groovy.lang.parser.parsing.statements.expressions.ConditionalExpression; |
| import org.jetbrains.plugins.groovy.lang.parser.parsing.statements.typeDefinitions.ReferenceElement; |
| import org.jetbrains.plugins.groovy.lang.parser.parsing.types.TypeSpec; |
| import org.jetbrains.plugins.groovy.lang.parser.parsing.util.ParserUtils; |
| |
| /** |
| * @author ilyas |
| */ |
| public class UnaryExpressionNotPlusMinus { |
| |
| public static boolean parse(PsiBuilder builder, GroovyParser parser) { |
| return parse(builder, parser, true); |
| } |
| |
| public static boolean parse(PsiBuilder builder, GroovyParser parser, boolean runPostfixIfFail) { |
| PsiBuilder.Marker marker = builder.mark(); |
| if (builder.getTokenType() == GroovyTokenTypes.mLPAREN) { |
| final ReferenceElement.ReferenceElementResult result = parseTypeCast(builder); |
| if (result != ReferenceElement.ReferenceElementResult.FAIL) { |
| if (ConditionalExpression.parse(builder, parser) || result == ReferenceElement.ReferenceElementResult.REF_WITH_TYPE_PARAMS) { |
| marker.done(GroovyElementTypes.CAST_EXPRESSION); |
| return true; |
| } else { |
| marker.rollbackTo(); |
| return runPostfix(builder, parser, runPostfixIfFail); |
| } |
| } else { |
| marker.drop(); |
| return runPostfix(builder, parser, runPostfixIfFail); |
| } |
| } else { |
| marker.drop(); |
| return runPostfix(builder, parser, runPostfixIfFail); |
| } |
| } |
| |
| private static boolean runPostfix(PsiBuilder builder, GroovyParser parser, boolean runPostfixIfFail) { |
| return runPostfixIfFail && PostfixExpression.parse(builder, parser); |
| } |
| |
| private static ReferenceElement.ReferenceElementResult parseTypeCast(PsiBuilder builder) { |
| PsiBuilder.Marker marker = builder.mark(); |
| if (!ParserUtils.getToken(builder, GroovyTokenTypes.mLPAREN, GroovyBundle.message("lparen.expected"))) { |
| marker.rollbackTo(); |
| return ReferenceElement.ReferenceElementResult.FAIL; |
| } |
| if (TokenSets.BUILT_IN_TYPES.contains(builder.getTokenType()) || GroovyTokenTypes.mIDENT.equals(builder.getTokenType())) { |
| final ReferenceElement.ReferenceElementResult result = TypeSpec.parseStrict(builder, true); |
| if (result == ReferenceElement.ReferenceElementResult.FAIL) { |
| marker.rollbackTo(); |
| return ReferenceElement.ReferenceElementResult.FAIL; |
| } |
| if (!ParserUtils.getToken(builder, GroovyTokenTypes.mRPAREN, GroovyBundle.message("rparen.expected"))) { |
| marker.rollbackTo(); |
| return ReferenceElement.ReferenceElementResult.FAIL; |
| } |
| marker.drop(); |
| return result; |
| } |
| else { |
| marker.rollbackTo(); |
| return ReferenceElement.ReferenceElementResult.FAIL; |
| } |
| } |
| } |