/*
* Copyright © 2011-2012 Philipp Eichhorn
*
* 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.handlers.ast;
import static com.sun.tools.javac.code.Flags.*;
import static lombok.ast.AST.*;
import static lombok.javac.handlers.JavacHandlerUtil.createAnnotation;
import static lombok.javac.handlers.JavacHandlerUtil.fieldExists;
import static lombok.javac.handlers.JavacHandlerUtil.methodExists;
import java.util.ArrayList;
import java.util.List;
import com.sun.tools.javac.tree.JCTree;
import com.sun.tools.javac.tree.JCTree.JCAnnotation;
import com.sun.tools.javac.tree.JCTree.JCAssign;
import com.sun.tools.javac.tree.JCTree.JCClassDecl;
import com.sun.tools.javac.tree.JCTree.JCCompilationUnit;
import com.sun.tools.javac.tree.JCTree.JCExpression;
import com.sun.tools.javac.tree.JCTree.JCMethodDecl;
import com.sun.tools.javac.tree.JCTree.JCModifiers;
import com.sun.tools.javac.tree.JCTree.JCTypeParameter;
import lombok.ast.IType;
import lombok.core.AnnotationValues;
import lombok.core.AST.Kind;
import lombok.core.util.As;
import lombok.core.util.Cast;
import lombok.javac.JavacNode;
import lombok.javac.handlers.Javac;
import lombok.javac.handlers.JavacHandlerUtil.MemberExistsResult;
public final class JavacType implements lombok.ast.IType<JavacMethod, JavacField, JavacNode, JCTree, JCClassDecl, JCMethodDecl> {
private final JavacNode typeNode;
private final JCTree source;
private final JavacTypeEditor editor;
private JavacType(final JavacNode typeNode, final JCTree source) {
if (!(typeNode.get() instanceof JCClassDecl)) {
throw new IllegalArgumentException();
}
this.typeNode = typeNode;
this.source = source;
editor = new JavacTypeEditor(this, source);
}
public JavacTypeEditor editor() {
return editor;
}
public boolean isInterface() {
return (get().mods.flags & INTERFACE) != 0;
}
public boolean isEnum() {
return (get().mods.flags & ENUM) != 0;
}
public boolean isAnnotation() {
return (get().mods.flags & ANNOTATION) != 0;
}
public boolean isClass() {
return !isInterface() && !isEnum() && !isAnnotation();
}
public boolean hasSuperClass() {
return get().getExtendsClause() != null;
}
public <A extends java.lang.annotation.Annotation> AnnotationValues<A> getAnnotationValue(final Class<A> expectedType) {
final JavacNode node = getAnnotation(expectedType);
return node == null ? AnnotationValues.of(expectedType, node()) : createAnnotation(expectedType, node);
}
public JavacNode getAnnotation(final Class<? extends java.lang.annotation.Annotation> expectedType) {
return getAnnotation(expectedType.getName());
}
public JavacNode getAnnotation(final String typeName) {
JavacNode annotationNode = null;
for (JavacNode child : node().down()) {
if (child.getKind() != Kind.ANNOTATION) continue;
if (Javac.matchesType((JCAnnotation) child.get(), typeName)) {
annotationNode = child;
}
}
return annotationNode;
}
public <T extends lombok.ast.IType<?, ?, ?, ?, ?, ?>> T memberType(final String typeName) {
for (JavacNode child : node().down()) {
if (child.getKind() != Kind.TYPE) continue;
if (child.getName().equals(typeName)) {
return Cast.<T> uncheckedCast(JavacType.typeOf(child, source));
}
}
throw new IllegalArgumentException();
}
public <T extends IType<?, ?, ?, ?, ?, ?>> T surroundingType() {
final JavacNode parent = node().directUp();
if (parent == null) return null;
return Cast.<T> uncheckedCast(JavacType.typeOf(parent, source));
}
public List<JavacMethod> methods() {
List<JavacMethod> methods = new ArrayList<JavacMethod>();
for (JavacNode child : node().down()) {
if (child.getKind() != Kind.METHOD) continue;
methods.add(JavacMethod.methodOf(child, source));
}
return methods;
}
public List<JavacField> fields() {
List<JavacField> fields = new ArrayList<JavacField>();
for (JavacNode child : node().down()) {
if (child.getKind() != Kind.FIELD) continue;
final JavacField field = JavacField.fieldOf(child, source);
if (field.ignore()) continue;
fields.add(field);
}
return fields;
}
public boolean hasMultiArgumentConstructor() {
for (JCTree def : get().defs) {
if ((def instanceof JCMethodDecl) && !((JCMethodDecl) def).params.isEmpty()) {
return true;
}
}
return false;
}
public JCClassDecl get() {
return (JCClassDecl) typeNode.get();
}
public JavacNode node() {
return typeNode;
}
public String name() {
return node().getName();
}
public String qualifiedName() {
StringBuilder qualifiedName = new StringBuilder(name());
for (IType<?, ?, ?, ?, ?, ?> surroundingType = surroundingType(); surroundingType != null; surroundingType = surroundingType.surroundingType()) {
qualifiedName.insert(0, surroundingType.name() + "$");
}
JCCompilationUnit cu = (JCCompilationUnit) node().top().get();
if (cu.getPackageName() != null) qualifiedName.insert(0, cu.getPackageName() + ".");
return qualifiedName.toString();
}
public List<lombok.ast.TypeRef> typeArguments() {
final List<lombok.ast.TypeRef> typeArguments = new ArrayList<lombok.ast.TypeRef>();
for (JCTypeParameter typaram : get().typarams) {
typeArguments.add(Type(As.string(typaram.name)));
}
return typeArguments;
}
public List<lombok.ast.TypeParam> typeParameters() {
final List<lombok.ast.TypeParam> typeParameters = new ArrayList<lombok.ast.TypeParam>();
for (JCTypeParameter typaram : get().typarams) {
final lombok.ast.TypeParam typeParam = TypeParam(As.string(typaram.name));
for (JCExpression expr : typaram.bounds) {
typeParam.withBound(Type(expr));
}
typeParameters.add(typeParam);
}
return typeParameters;
}
public java.util.List<lombok.ast.Annotation> annotations() {
return annotations(get().mods);
}
private java.util.List<lombok.ast.Annotation> annotations(final JCModifiers mods) {
final java.util.List<lombok.ast.Annotation> annotations = new java.util.ArrayList<lombok.ast.Annotation>();
for (JCAnnotation annotation : mods.annotations) {
lombok.ast.Annotation ann = Annotation(Type(annotation.annotationType));
for (JCExpression arg : annotation.args) {
if (arg instanceof JCAssign) {
JCAssign assign = (JCAssign) arg;
ann.withValue(assign.lhs.toString(), Expr(assign.rhs));
} else {
ann.withValue(Expr(arg));
}
}
annotations.add(ann);
}
return annotations;
}
public boolean hasField(final String fieldName) {
return (fieldExists(fieldName, typeNode) != MemberExistsResult.NOT_EXISTS);
}
public boolean hasMethod(final String methodName, final lombok.ast.TypeRef... argumentTypes) {
// TODO check actual types..
return (methodExists(methodName, typeNode, false, argumentTypes == null ? 0 : argumentTypes.length) != MemberExistsResult.NOT_EXISTS);
}
@Override
public String toString() {
return get().toString();
}
public static JavacType typeOf(final JavacNode node, final JCTree source) {
JavacNode typeNode = Javac.typeNodeOf(node);
return typeNode == null ? null : new JavacType(typeNode, source);
}
}