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/*
* Copyright © 2009-2010 Reinier Zwitserloot and Roel Spilker.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package lombok.javac;
import java.util.List;
import javax.tools.Diagnostic;
import lombok.core.AST.Kind;
import com.sun.tools.javac.code.Symtab;
import com.sun.tools.javac.model.JavacTypes;
import com.sun.tools.javac.tree.JCTree;
import com.sun.tools.javac.tree.TreeMaker;
import com.sun.tools.javac.tree.JCTree.JCAnnotation;
import com.sun.tools.javac.tree.JCTree.JCBlock;
import com.sun.tools.javac.tree.JCTree.JCClassDecl;
import com.sun.tools.javac.tree.JCTree.JCCompilationUnit;
import com.sun.tools.javac.tree.JCTree.JCMethodDecl;
import com.sun.tools.javac.tree.JCTree.JCVariableDecl;
import com.sun.tools.javac.util.Context;
import com.sun.tools.javac.util.Name;
import com.sun.tools.javac.util.JCDiagnostic.DiagnosticPosition;
/**
* Javac specific version of the LombokNode class.
*/
public class JavacNode extends lombok.core.LombokNode<JavacAST, JavacNode, JCTree> {
/**
* Passes through to the parent constructor.
*/
public JavacNode(JavacAST ast, JCTree node, List<JavacNode> children, Kind kind) {
super(ast, node, children, kind);
}
/**
* Visits this node and all child nodes depth-first, calling the provided visitor's visit methods.
*/
public void traverse(JavacASTVisitor visitor) {
switch (this.getKind()) {
case COMPILATION_UNIT:
visitor.visitCompilationUnit(this, (JCCompilationUnit)get());
ast.traverseChildren(visitor, this);
visitor.endVisitCompilationUnit(this, (JCCompilationUnit)get());
break;
case TYPE:
visitor.visitType(this, (JCClassDecl)get());
ast.traverseChildren(visitor, this);
visitor.endVisitType(this, (JCClassDecl)get());
break;
case FIELD:
visitor.visitField(this, (JCVariableDecl)get());
ast.traverseChildren(visitor, this);
visitor.endVisitField(this, (JCVariableDecl)get());
break;
case METHOD:
visitor.visitMethod(this, (JCMethodDecl)get());
ast.traverseChildren(visitor, this);
visitor.endVisitMethod(this, (JCMethodDecl)get());
break;
case INITIALIZER:
visitor.visitInitializer(this, (JCBlock)get());
ast.traverseChildren(visitor, this);
visitor.endVisitInitializer(this, (JCBlock)get());
break;
case ARGUMENT:
JCMethodDecl parentMethod = (JCMethodDecl) up().get();
visitor.visitMethodArgument(this, (JCVariableDecl)get(), parentMethod);
ast.traverseChildren(visitor, this);
visitor.endVisitMethodArgument(this, (JCVariableDecl)get(), parentMethod);
break;
case LOCAL:
visitor.visitLocal(this, (JCVariableDecl)get());
ast.traverseChildren(visitor, this);
visitor.endVisitLocal(this, (JCVariableDecl)get());
break;
case STATEMENT:
visitor.visitStatement(this, get());
ast.traverseChildren(visitor, this);
visitor.endVisitStatement(this, get());
break;
case ANNOTATION:
switch (up().getKind()) {
case TYPE:
visitor.visitAnnotationOnType((JCClassDecl)up().get(), this, (JCAnnotation)get());
break;
case FIELD:
visitor.visitAnnotationOnField((JCVariableDecl)up().get(), this, (JCAnnotation)get());
break;
case METHOD:
visitor.visitAnnotationOnMethod((JCMethodDecl)up().get(), this, (JCAnnotation)get());
break;
case ARGUMENT:
JCVariableDecl argument = (JCVariableDecl)up().get();
JCMethodDecl method = (JCMethodDecl)up().up().get();
visitor.visitAnnotationOnMethodArgument(argument, method, this, (JCAnnotation)get());
break;
case LOCAL:
visitor.visitAnnotationOnLocal((JCVariableDecl)up().get(), this, (JCAnnotation)get());
break;
default:
throw new AssertionError("Annotion not expected as child of a " + up().getKind());
}
break;
default:
throw new AssertionError("Unexpected kind during node traversal: " + getKind());
}
}
/** {@inheritDoc} */
@Override public String getName() {
final Name n;
if (node instanceof JCClassDecl) n = ((JCClassDecl)node).name;
else if (node instanceof JCMethodDecl) n = ((JCMethodDecl)node).name;
else if (node instanceof JCVariableDecl) n = ((JCVariableDecl)node).name;
else n = null;
return n == null ? null : n.toString();
}
/** {@inheritDoc} */
@Override protected boolean calculateIsStructurallySignificant(JCTree parent) {
if (node instanceof JCClassDecl) return true;
if (node instanceof JCMethodDecl) return true;
if (node instanceof JCVariableDecl) return true;
if (node instanceof JCCompilationUnit) return true;
//Static and instance initializers
if (node instanceof JCBlock) return parent instanceof JCClassDecl;
return false;
}
@Override protected boolean fieldContainsAnnotation(JCTree field, JCTree annotation) {
if (!(field instanceof JCVariableDecl)) return false;
JCVariableDecl f = (JCVariableDecl) field;
if (f.mods.annotations == null) return false;
for (JCAnnotation childAnnotation : f.mods.annotations) {
if (childAnnotation == annotation) return true;
}
return false;
}
/**
* Convenient shortcut to the owning JavacAST object's getTreeMaker method.
*
* @see JavacAST#getTreeMaker()
*/
public TreeMaker getTreeMaker() {
return ast.getTreeMaker();
}
/**
* Convenient shortcut to the owning JavacAST object's getSymbolTable method.
*
* @see JavacAST#getSymbolTable()
*/
public Symtab getSymbolTable() {
return ast.getSymbolTable();
}
/**
* Convenient shortcut to the owning JavacAST object's getTypesUtil method.
*
* @see JavacAST#getTypesUtil()
*/
public JavacTypes getTypesUtil() {
return ast.getTypesUtil();
}
/**
* Convenient shortcut to the owning JavacAST object's getContext method.
*
* @see JavacAST#getContext()
*/
public Context getContext() {
return ast.getContext();
}
public boolean shouldDeleteLombokAnnotations() {
DeleteLombokAnnotations dla = ast.getContext().get(DeleteLombokAnnotations.class);
return dla != null && dla.isDeleteLombokAnnotations();
}
/**
* Convenient shortcut to the owning JavacAST object's toName method.
*
* @see JavacAST#toName(String)
*/
public Name toName(String name) {
return ast.toName(name);
}
/**
* Generates an compiler error focused on the AST node represented by this node object.
*/
@Override public void addError(String message) {
ast.printMessage(Diagnostic.Kind.ERROR, message, this, null);
}
/**
* Generates an compiler error focused on the AST node represented by this node object.
*/
public void addError(String message, DiagnosticPosition pos) {
ast.printMessage(Diagnostic.Kind.ERROR, message, null, pos);
}
/**
* Generates a compiler warning focused on the AST node represented by this node object.
*/
@Override public void addWarning(String message) {
ast.printMessage(Diagnostic.Kind.WARNING, message, this, null);
}
/**
* Generates a compiler warning focused on the AST node represented by this node object.
*/
public void addWarning(String message, DiagnosticPosition pos) {
ast.printMessage(Diagnostic.Kind.WARNING, message, null, pos);
}
}
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