| /* |
| * 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.classgen.asm; |
| |
| import org.codehaus.groovy.ast.ClassHelper; |
| import org.codehaus.groovy.ast.ClassNode; |
| import org.codehaus.groovy.ast.FieldNode; |
| import org.codehaus.groovy.ast.Variable; |
| import org.codehaus.groovy.ast.expr.ClassExpression; |
| import org.codehaus.groovy.ast.expr.Expression; |
| import org.codehaus.groovy.ast.expr.VariableExpression; |
| |
| /** |
| * A {@link TypeChooser} which is aware of statement metadata. |
| */ |
| public class StatementMetaTypeChooser implements TypeChooser { |
| public ClassNode resolveType(final Expression exp, final ClassNode current) { |
| if (exp instanceof ClassExpression) return ClassHelper.CLASS_Type; |
| OptimizingStatementWriter.StatementMeta meta = exp.getNodeMetaData(OptimizingStatementWriter.StatementMeta.class); |
| ClassNode type = null; |
| if (meta != null) type = meta.type; |
| if (type != null) return type; |
| if (exp instanceof VariableExpression) { |
| VariableExpression ve = (VariableExpression) exp; |
| if (ve.isClosureSharedVariable()) return ve.getType(); |
| type = ve.getOriginType(); |
| if (ve.getAccessedVariable() instanceof FieldNode) { |
| FieldNode fn = (FieldNode) ve.getAccessedVariable(); |
| if (!fn.getDeclaringClass().equals(current)) return fn.getOriginType(); |
| } |
| } else if (exp instanceof Variable) { |
| Variable v = (Variable) exp; |
| type = v.getOriginType(); |
| } else { |
| type = exp.getType(); |
| } |
| return type.redirect(); |
| } |
| } |