| /* |
| * 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.buildfile.psi; |
| |
| import com.google.common.collect.Lists; |
| import com.google.idea.blaze.base.lang.buildfile.lexer.BuildToken; |
| import com.google.idea.blaze.base.lang.buildfile.lexer.TokenKind; |
| import com.intellij.lang.ASTNode; |
| import com.intellij.psi.PsiElement; |
| import java.util.List; |
| |
| /** PSI element for a for statement. */ |
| public class ForStatement extends BuildElementImpl implements Statement, StatementListContainer { |
| |
| public ForStatement(ASTNode astNode) { |
| super(astNode); |
| } |
| |
| @Override |
| protected void acceptVisitor(BuildElementVisitor visitor) { |
| visitor.visitForStatement(this); |
| } |
| |
| public List<Expression> getForLoopVariables() { |
| List<Expression> loopVariableExpressions = Lists.newArrayList(); |
| for (PsiElement child : getChildren()) { |
| if (child.getNode().getElementType() == BuildToken.fromKind(TokenKind.IN)) { |
| return loopVariableExpressions; |
| } |
| if (child instanceof Expression) { |
| loopVariableExpressions.add((Expression) child); |
| } else if (child instanceof ListLiteral) { |
| for (Expression expr : ((ListLiteral) child).childrenOfClass(Expression.class)) { |
| loopVariableExpressions.add(expr); |
| } |
| } |
| } |
| return loopVariableExpressions; |
| } |
| |
| @Override |
| public String getPresentableText() { |
| return "for loop"; |
| } |
| } |