org.codehaus.groovy.tools.javac.JavaAwareResolveVisitor Maven / Gradle / Ivy
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* 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
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package org.codehaus.groovy.tools.javac;
import org.codehaus.groovy.ast.ASTNode;
import org.codehaus.groovy.ast.ConstructorNode;
import org.codehaus.groovy.ast.expr.ConstructorCallExpression;
import org.codehaus.groovy.ast.expr.Expression;
import org.codehaus.groovy.ast.stmt.BlockStatement;
import org.codehaus.groovy.ast.stmt.ExpressionStatement;
import org.codehaus.groovy.ast.stmt.Statement;
import org.codehaus.groovy.control.CompilationUnit;
import org.codehaus.groovy.control.ResolveVisitor;
public class JavaAwareResolveVisitor extends ResolveVisitor {
public JavaAwareResolveVisitor(CompilationUnit cu) {
super(cu);
}
private static Expression getConstructorCall(Statement code) {
if (code==null) return null;
if (code instanceof BlockStatement) {
BlockStatement bs = (BlockStatement) code;
if (bs.isEmpty()) return null;
return getConstructorCall(bs.getStatements().get(0));
}
if (!(code instanceof ExpressionStatement)) return null;
ExpressionStatement es = (ExpressionStatement) code;
Expression exp = es.getExpression();
if (!(exp instanceof ConstructorCallExpression)) return null;
ConstructorCallExpression cce = (ConstructorCallExpression) exp;
if (!cce.isSpecialCall()) return null;
return cce;
}
@Override
public void visitConstructor(ConstructorNode node) {
super.visitConstructor(node);
Statement code = node.getCode();
Expression cce = getConstructorCall(code);
if (cce==null) return;
cce.visit(this);
}
protected void visitClassCodeContainer(Statement code) {
// do nothing here, leave it to the normal resolving
}
protected void addError(String msg, ASTNode expr) {
// do nothing here, leave it to the normal resolving
}
}