| /* |
| * 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.blocks; |
| |
| import com.intellij.lang.PsiBuilder; |
| import com.intellij.psi.tree.IElementType; |
| import org.jetbrains.plugins.groovy.GroovyBundle; |
| import org.jetbrains.plugins.groovy.lang.lexer.GroovyTokenTypes; |
| import org.jetbrains.plugins.groovy.lang.parser.GroovyElementTypes; |
| import org.jetbrains.plugins.groovy.lang.parser.GroovyParser; |
| import org.jetbrains.plugins.groovy.lang.parser.parsing.auxiliary.parameters.ParameterList; |
| import org.jetbrains.plugins.groovy.lang.parser.parsing.util.ParserUtils; |
| |
| /** |
| * @author ilyas |
| */ |
| public class OpenOrClosableBlock { |
| |
| public static boolean parseOpenBlock(PsiBuilder builder, GroovyParser parser) { |
| if (builder.getTokenType() != GroovyTokenTypes.mLCURLY) { |
| return false; |
| } |
| |
| if (parser.parseDeep()) { |
| parseOpenBlockDeep(builder, parser); |
| } else { |
| parseBlockShallow(builder, GroovyElementTypes.OPEN_BLOCK); |
| } |
| |
| return true; |
| } |
| |
| public static void parseOpenBlockDeep(PsiBuilder builder, GroovyParser parser) { |
| PsiBuilder.Marker marker = builder.mark(); |
| builder.advanceLexer(); |
| ParserUtils.getToken(builder, GroovyTokenTypes.mNLS); |
| parser.parseBlockBody(builder); |
| if (!builder.eof() && builder.getTokenType() != GroovyTokenTypes.mRCURLY) { |
| builder.error(GroovyBundle.message("statement.expected")); |
| ParserUtils.skipCountingBraces(builder, GroovyParser.RCURLY_ONLY); |
| } |
| |
| ParserUtils.getToken(builder, GroovyTokenTypes.mRCURLY, GroovyBundle.message("rcurly.expected")); |
| marker.done(GroovyElementTypes.OPEN_BLOCK); |
| } |
| |
| |
| public static IElementType parseClosableBlock(PsiBuilder builder, GroovyParser parser) { |
| assert builder.getTokenType() == GroovyTokenTypes.mLCURLY : builder.getTokenType(); |
| if (parser.parseDeep()) { |
| parseClosableBlockDeep(builder, parser); |
| } else { |
| parseBlockShallow(builder, GroovyElementTypes.CLOSABLE_BLOCK); |
| } |
| return GroovyElementTypes.CLOSABLE_BLOCK; |
| } |
| |
| public static void parseBlockShallow(PsiBuilder builder, IElementType blockType) { |
| final PsiBuilder.Marker blockStart = builder.mark(); |
| int braceCount = 0; |
| while (true) { |
| final IElementType tokenType = builder.getTokenType(); |
| if (tokenType == null) { |
| break; |
| } |
| |
| if (tokenType == GroovyTokenTypes.mLCURLY) { |
| braceCount++; |
| } else if (tokenType == GroovyTokenTypes.mRCURLY) { |
| braceCount--; |
| } |
| builder.advanceLexer(); |
| if (braceCount == 0) { |
| break; |
| } |
| } |
| blockStart.collapse(blockType); |
| } |
| |
| public static void parseClosableBlockDeep(PsiBuilder builder, GroovyParser parser) { |
| assert builder.getTokenType() == GroovyTokenTypes.mLCURLY : builder.getTokenType(); |
| PsiBuilder.Marker marker = builder.mark(); |
| builder.advanceLexer(); |
| ParserUtils.getToken(builder, GroovyTokenTypes.mNLS); |
| closableBlockParamsOpt(builder, parser); |
| parser.parseBlockBody(builder); |
| ParserUtils.getToken(builder, GroovyTokenTypes.mRCURLY, GroovyBundle.message("rcurly.expected")); |
| marker.done(GroovyElementTypes.CLOSABLE_BLOCK); |
| } |
| |
| |
| private static void closableBlockParamsOpt(PsiBuilder builder, GroovyParser parser) { |
| ParameterList.parse(builder, GroovyTokenTypes.mCLOSABLE_BLOCK_OP, parser); |
| ParserUtils.getToken(builder, GroovyTokenTypes.mNLS); |
| ParserUtils.getToken(builder, GroovyTokenTypes.mCLOSABLE_BLOCK_OP); |
| } |
| |
| } |