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lombok-pg is a collection of extensions to Project Lombok
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/*
* Copyright © 2010-2012 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.eclipse.agent;
import static lombok.eclipse.agent.Patches.*;
import static lombok.eclipse.handlers.EclipseHandlerUtil.createAnnotation;
import static lombok.patcher.scripts.ScriptBuilder.*;
import org.eclipse.jdt.internal.compiler.ast.Annotation;
import org.eclipse.jdt.internal.compiler.ast.MethodDeclaration;
import org.eclipse.jdt.internal.compiler.ast.TypeDeclaration;
import org.eclipse.jdt.internal.compiler.lookup.MethodBinding;
import org.eclipse.jdt.internal.compiler.lookup.SourceTypeBinding;
import org.eclipse.jdt.internal.compiler.problem.ProblemReporter;
import lombok.*;
import lombok.core.AnnotationValues.AnnotationValueDecodeFail;
import lombok.eclipse.EclipseNode;
import lombok.eclipse.handlers.HandleAutoGenMethodStub;
import lombok.patcher.*;
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public final class PatchAutoGenMethodStub {
static void addPatches(final ScriptManager sm, final boolean ecj) {
final String HOOK_NAME = PatchAutoGenMethodStub.class.getName();
sm.addScript(replaceMethodCall()
.target(new MethodTarget(METHODVERIFIER, "checkAbstractMethod", "void", METHODBINDING))
.target(new MethodTarget(METHODVERIFIER, "checkInheritedMethods", "void", METHODBINDINGS, "int"))
.methodToReplace(new Hook(TYPEDECLARATION, "addMissingAbstractMethodFor", METHODDECLARATION, METHODBINDING))
.replacementMethod(new Hook(HOOK_NAME, "addMissingAbstractMethodFor", METHODDECLARATION, TYPEDECLARATION, METHODBINDING))
.build());
sm.addScript(replaceMethodCall()
.target(new MethodTarget(METHODVERIFIER, "checkAbstractMethod", "void", METHODBINDING))
.target(new MethodTarget(METHODVERIFIER, "checkInheritedMethods", "void", METHODBINDINGS, "int"))
.methodToReplace(new Hook(PROBLEMREPORTER, "abstractMethodMustBeImplemented", "void", SOURCETYPEBINDING, METHODBINDING))
.replacementMethod(new Hook(HOOK_NAME, "abstractMethodMustBeImplemented", "void", PROBLEMREPORTER, SOURCETYPEBINDING, METHODBINDING))
.build());
// some special magic if ScalaIDE is installed..
sm.addScript(replaceMethodCall()
.target(new MethodTarget(METHODVERIFIER, "checkAbstractMethod_aroundBody0", "void", METHODVERIFIER, METHODBINDING))
.target(new MethodTarget(METHODVERIFIER, "checkInheritedMethods_aroundBody2", "void", METHODVERIFIER, METHODBINDINGS, "int"))
.methodToReplace(new Hook(TYPEDECLARATION, "addMissingAbstractMethodFor", METHODDECLARATION, METHODBINDING))
.replacementMethod(new Hook(HOOK_NAME, "addMissingAbstractMethodFor", METHODDECLARATION, TYPEDECLARATION, METHODBINDING))
.build());
sm.addScript(replaceMethodCall()
.target(new MethodTarget(METHODVERIFIER, "checkAbstractMethod_aroundBody0", "void", METHODVERIFIER, METHODBINDING))
.target(new MethodTarget(METHODVERIFIER, "checkInheritedMethods_aroundBody2", "void", METHODVERIFIER, METHODBINDINGS, "int"))
.methodToReplace(new Hook(PROBLEMREPORTER, "abstractMethodMustBeImplemented", "void", SOURCETYPEBINDING, METHODBINDING))
.replacementMethod(new Hook(HOOK_NAME, "abstractMethodMustBeImplemented", "void", PROBLEMREPORTER, SOURCETYPEBINDING, METHODBINDING))
.build());
}
private static final ThreadLocal ISSUE_WAS_FIXED = new ThreadLocal() {
@Override
protected Boolean initialValue() {
return Boolean.FALSE;
}
};
public static MethodDeclaration addMissingAbstractMethodFor(final TypeDeclaration decl, final MethodBinding abstractMethod) {
Annotation ann = getAnnotation(AutoGenMethodStub.class, decl);
EclipseNode typeNode = getTypeNode(decl);
if ((ann != null) && (typeNode != null)) {
EclipseNode annotationNode = typeNode.getNodeFor(ann);
try {
MethodDeclaration method = new HandleAutoGenMethodStub().handle(abstractMethod, createAnnotation(AutoGenMethodStub.class, annotationNode), ann, annotationNode);
ISSUE_WAS_FIXED.set(true);
return method;
} catch (AnnotationValueDecodeFail fail) {
fail.owner.setError(fail.getMessage(), fail.idx);
}
}
return decl.addMissingAbstractMethodFor(abstractMethod);
}
public static void abstractMethodMustBeImplemented(final ProblemReporter problemReporter, final SourceTypeBinding type, final MethodBinding abstractMethod) {
if (ISSUE_WAS_FIXED.get()) {
ISSUE_WAS_FIXED.set(false);
} else {
problemReporter.abstractMethodMustBeImplemented(type, abstractMethod);
}
}
}
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