| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.codehaus.groovy.ast; |
| |
| import org.codehaus.groovy.ast.expr.ArgumentListExpression; |
| import org.codehaus.groovy.ast.expr.ArrayExpression; |
| import org.codehaus.groovy.ast.expr.AttributeExpression; |
| import org.codehaus.groovy.ast.expr.BinaryExpression; |
| import org.codehaus.groovy.ast.expr.BitwiseNegationExpression; |
| import org.codehaus.groovy.ast.expr.BooleanExpression; |
| import org.codehaus.groovy.ast.expr.CastExpression; |
| import org.codehaus.groovy.ast.expr.ClassExpression; |
| import org.codehaus.groovy.ast.expr.ClosureExpression; |
| import org.codehaus.groovy.ast.expr.ClosureListExpression; |
| import org.codehaus.groovy.ast.expr.ConstantExpression; |
| import org.codehaus.groovy.ast.expr.ConstructorCallExpression; |
| import org.codehaus.groovy.ast.expr.DeclarationExpression; |
| import org.codehaus.groovy.ast.expr.ElvisOperatorExpression; |
| import org.codehaus.groovy.ast.expr.EmptyExpression; |
| import org.codehaus.groovy.ast.expr.Expression; |
| import org.codehaus.groovy.ast.expr.FieldExpression; |
| import org.codehaus.groovy.ast.expr.GStringExpression; |
| import org.codehaus.groovy.ast.expr.LambdaExpression; |
| import org.codehaus.groovy.ast.expr.ListExpression; |
| import org.codehaus.groovy.ast.expr.MapEntryExpression; |
| import org.codehaus.groovy.ast.expr.MapExpression; |
| import org.codehaus.groovy.ast.expr.MethodCallExpression; |
| import org.codehaus.groovy.ast.expr.MethodPointerExpression; |
| import org.codehaus.groovy.ast.expr.MethodReferenceExpression; |
| import org.codehaus.groovy.ast.expr.NotExpression; |
| import org.codehaus.groovy.ast.expr.PostfixExpression; |
| import org.codehaus.groovy.ast.expr.PrefixExpression; |
| import org.codehaus.groovy.ast.expr.PropertyExpression; |
| import org.codehaus.groovy.ast.expr.RangeExpression; |
| import org.codehaus.groovy.ast.expr.SpreadExpression; |
| import org.codehaus.groovy.ast.expr.SpreadMapExpression; |
| import org.codehaus.groovy.ast.expr.StaticMethodCallExpression; |
| import org.codehaus.groovy.ast.expr.TernaryExpression; |
| import org.codehaus.groovy.ast.expr.TupleExpression; |
| import org.codehaus.groovy.ast.expr.UnaryMinusExpression; |
| import org.codehaus.groovy.ast.expr.UnaryPlusExpression; |
| import org.codehaus.groovy.ast.expr.VariableExpression; |
| import org.codehaus.groovy.ast.stmt.AssertStatement; |
| import org.codehaus.groovy.ast.stmt.BlockStatement; |
| import org.codehaus.groovy.ast.stmt.BreakStatement; |
| import org.codehaus.groovy.ast.stmt.CaseStatement; |
| import org.codehaus.groovy.ast.stmt.CatchStatement; |
| import org.codehaus.groovy.ast.stmt.ContinueStatement; |
| import org.codehaus.groovy.ast.stmt.DoWhileStatement; |
| import org.codehaus.groovy.ast.stmt.EmptyStatement; |
| import org.codehaus.groovy.ast.stmt.ExpressionStatement; |
| import org.codehaus.groovy.ast.stmt.ForStatement; |
| import org.codehaus.groovy.ast.stmt.IfStatement; |
| import org.codehaus.groovy.ast.stmt.ReturnStatement; |
| import org.codehaus.groovy.ast.stmt.SwitchStatement; |
| import org.codehaus.groovy.ast.stmt.SynchronizedStatement; |
| import org.codehaus.groovy.ast.stmt.ThrowStatement; |
| import org.codehaus.groovy.ast.stmt.TryCatchStatement; |
| import org.codehaus.groovy.ast.stmt.WhileStatement; |
| import org.codehaus.groovy.classgen.BytecodeExpression; |
| |
| import java.util.List; |
| |
| /** |
| * An implementation of the visitor pattern for working with ASTNodes. |
| */ |
| public interface GroovyCodeVisitor { |
| |
| //-------------------------------------------------------------------------- |
| // statements |
| |
| void visitBlockStatement(BlockStatement statement); |
| |
| void visitForLoop(ForStatement statement); |
| |
| void visitWhileLoop(WhileStatement statement); |
| |
| void visitDoWhileLoop(DoWhileStatement statement); |
| |
| void visitIfElse(IfStatement statement); |
| |
| void visitExpressionStatement(ExpressionStatement statement); |
| |
| void visitReturnStatement(ReturnStatement statement); |
| |
| void visitAssertStatement(AssertStatement statement); |
| |
| void visitTryCatchFinally(TryCatchStatement statement); |
| |
| void visitSwitch(SwitchStatement statement); |
| |
| void visitCaseStatement(CaseStatement statement); |
| |
| void visitBreakStatement(BreakStatement statement); |
| |
| void visitContinueStatement(ContinueStatement statement); |
| |
| void visitThrowStatement(ThrowStatement statement); |
| |
| void visitSynchronizedStatement(SynchronizedStatement statement); |
| |
| void visitCatchStatement(CatchStatement statement); |
| |
| default void visitEmptyStatement(EmptyStatement statement) {} |
| |
| //-------------------------------------------------------------------------- |
| // expressions |
| |
| void visitMethodCallExpression(MethodCallExpression expression); |
| |
| void visitStaticMethodCallExpression(StaticMethodCallExpression expression); |
| |
| void visitConstructorCallExpression(ConstructorCallExpression expression); |
| |
| void visitTernaryExpression(TernaryExpression expression); |
| |
| void visitShortTernaryExpression(ElvisOperatorExpression expression); |
| |
| void visitBinaryExpression(BinaryExpression expression); |
| |
| void visitPrefixExpression(PrefixExpression expression); |
| |
| void visitPostfixExpression(PostfixExpression expression); |
| |
| void visitBooleanExpression(BooleanExpression expression); |
| |
| void visitClosureExpression(ClosureExpression expression); |
| |
| void visitLambdaExpression(LambdaExpression expression); |
| |
| void visitTupleExpression(TupleExpression expression); |
| |
| void visitMapExpression(MapExpression expression); |
| |
| void visitMapEntryExpression(MapEntryExpression expression); |
| |
| void visitListExpression(ListExpression expression); |
| |
| void visitRangeExpression(RangeExpression expression); |
| |
| void visitPropertyExpression(PropertyExpression expression); |
| |
| void visitAttributeExpression(AttributeExpression expression); |
| |
| void visitFieldExpression(FieldExpression expression); |
| |
| void visitMethodPointerExpression(MethodPointerExpression expression); |
| |
| void visitMethodReferenceExpression(MethodReferenceExpression expression); |
| |
| void visitConstantExpression(ConstantExpression expression); |
| |
| void visitClassExpression(ClassExpression expression); |
| |
| void visitVariableExpression(VariableExpression expression); |
| |
| void visitDeclarationExpression(DeclarationExpression expression); |
| |
| void visitGStringExpression(GStringExpression expression); |
| |
| void visitArrayExpression(ArrayExpression expression); |
| |
| void visitSpreadExpression(SpreadExpression expression); |
| |
| void visitSpreadMapExpression(SpreadMapExpression expression); |
| |
| void visitNotExpression(NotExpression expression); |
| |
| void visitUnaryMinusExpression(UnaryMinusExpression expression); |
| |
| void visitUnaryPlusExpression(UnaryPlusExpression expression); |
| |
| void visitBitwiseNegationExpression(BitwiseNegationExpression expression); |
| |
| void visitCastExpression(CastExpression expression); |
| |
| void visitArgumentlistExpression(ArgumentListExpression expression); |
| |
| void visitClosureListExpression(ClosureListExpression expression); |
| |
| void visitBytecodeExpression(BytecodeExpression expression); |
| |
| default void visitEmptyExpression(EmptyExpression expression) {} |
| |
| default void visitListOfExpressions(List<? extends Expression> list) { |
| if (list == null) return; |
| for (Expression expression : list) { |
| if (expression instanceof SpreadExpression) { |
| Expression spread = ((SpreadExpression) expression).getExpression(); |
| spread.visit(this); |
| } else { |
| expression.visit(this); |
| } |
| } |
| } |
| } |