/* * Copyright 2016 The Bazel Authors. All rights reserved. * * 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 com.google.idea.blaze.base.lang.projectview.parser; import com.google.idea.blaze.base.lang.projectview.lexer.ProjectViewLexer; import com.google.idea.blaze.base.lang.projectview.lexer.ProjectViewTokenType; import com.google.idea.blaze.base.lang.projectview.psi.ProjectViewElementType; import com.google.idea.blaze.base.lang.projectview.psi.ProjectViewElementTypes; import com.google.idea.blaze.base.lang.projectview.psi.ProjectViewPsiFile; import com.intellij.extapi.psi.ASTWrapperPsiElement; import com.intellij.lang.ASTNode; import com.intellij.lang.ParserDefinition; import com.intellij.lang.PsiBuilder; import com.intellij.lang.PsiParser; import com.intellij.lexer.Lexer; import com.intellij.openapi.project.Project; import com.intellij.psi.FileViewProvider; import com.intellij.psi.PsiElement; import com.intellij.psi.PsiFile; import com.intellij.psi.tree.IElementType; import com.intellij.psi.tree.IFileElementType; import com.intellij.psi.tree.TokenSet; /** Defines the project view file parser */ public class ProjectViewParserDefinition implements ParserDefinition { @Override public Lexer createLexer(Project project) { return new ProjectViewLexer(); } @Override public PsiParser createParser(Project project) { return (root, builder) -> { PsiBuilder.Marker rootMarker = builder.mark(); new ProjectViewPsiParser(builder).parseFile(); rootMarker.done(root); return builder.getTreeBuilt(); }; } @Override public IFileElementType getFileNodeType() { return ProjectViewElementTypes.FILE; } @Override public TokenSet getWhitespaceTokens() { return TokenSet.create(ProjectViewTokenType.WHITESPACE); } @Override public TokenSet getCommentTokens() { return TokenSet.create(ProjectViewTokenType.COMMENT); } @Override public TokenSet getStringLiteralElements() { return TokenSet.EMPTY; } @Override public PsiElement createElement(ASTNode node) { IElementType type = node.getElementType(); if (type instanceof ProjectViewElementType) { return ((ProjectViewElementType) type).createElement(node); } return new ASTWrapperPsiElement(node); } @Override public PsiFile createFile(FileViewProvider viewProvider) { return new ProjectViewPsiFile(viewProvider); } @Override public SpaceRequirements spaceExistanceTypeBetweenTokens(ASTNode left, ASTNode right) { return null; } }