From edfe7deb9e56272d31c8dadfa15c1907cad5e4da Mon Sep 17 00:00:00 2001
From: aclement <aclement>
Date: Sat, 27 Nov 2010 06:23:21 +0000
Subject: [PATCH] annotation removal - extra checks

---
 .../ast/DeclareAnnotationDeclaration.java     | 19 ++++++++++++++++++-
 .../compiler/parser/DeclarationFactory.java   |  6 ++++--
 .../compiler/problem/AjProblemReporter.java   | 11 +++++++++++
 3 files changed, 33 insertions(+), 3 deletions(-)

diff --git a/org.aspectj.ajdt.core/src/org/aspectj/ajdt/internal/compiler/ast/DeclareAnnotationDeclaration.java b/org.aspectj.ajdt.core/src/org/aspectj/ajdt/internal/compiler/ast/DeclareAnnotationDeclaration.java
index f1cc2f166..7f1880590 100644
--- a/org.aspectj.ajdt.core/src/org/aspectj/ajdt/internal/compiler/ast/DeclareAnnotationDeclaration.java
+++ b/org.aspectj.ajdt.core/src/org/aspectj/ajdt/internal/compiler/ast/DeclareAnnotationDeclaration.java
@@ -15,6 +15,7 @@ package org.aspectj.ajdt.internal.compiler.ast;
 
 import org.aspectj.org.eclipse.jdt.internal.compiler.CompilationResult;
 import org.aspectj.org.eclipse.jdt.internal.compiler.ast.Annotation;
+import org.aspectj.org.eclipse.jdt.internal.compiler.ast.MarkerAnnotation;
 import org.aspectj.org.eclipse.jdt.internal.compiler.ast.TypeDeclaration;
 import org.aspectj.org.eclipse.jdt.internal.compiler.flow.FlowInfo;
 import org.aspectj.org.eclipse.jdt.internal.compiler.flow.InitializationFlowContext;
@@ -25,6 +26,7 @@ import org.aspectj.weaver.patterns.DeclareAnnotation;
 public class DeclareAnnotationDeclaration extends DeclareDeclaration {
 
 	private Annotation annotation;
+	private boolean isRemover = false;
 
 	public DeclareAnnotationDeclaration(CompilationResult result, DeclareAnnotation symbolicDeclare, Annotation annotation) {
 		super(result, symbolicDeclare);
@@ -34,6 +36,7 @@ public class DeclareAnnotationDeclaration extends DeclareDeclaration {
 		if (symbolicDeclare == null) {
 			return; // there is an error that will already be getting reported (e.g. incorrect pattern on decaf/decac)
 		}
+		this.isRemover = symbolicDeclare.isRemover();
 		symbolicDeclare.setAnnotationString(annotation.toString());
 		symbolicDeclare.setAnnotationLocation(annotation.sourceStart, annotation.sourceEnd);
 	}
@@ -41,6 +44,16 @@ public class DeclareAnnotationDeclaration extends DeclareDeclaration {
 	public void analyseCode(ClassScope classScope, InitializationFlowContext initializationContext, FlowInfo flowInfo) {
 		super.analyseCode(classScope, initializationContext, flowInfo);
 
+		if (isRemover) {
+			if (((DeclareAnnotation) declareDecl).getKind() != DeclareAnnotation.AT_FIELD) {
+				classScope.problemReporter().signalError(this.sourceStart(), this.sourceEnd,
+						"Annotation removal only supported for declare @field (compiler limitation)");
+			}
+			else if (isRemover && !(annotation instanceof MarkerAnnotation)) {
+				classScope.problemReporter().signalError(this.sourceStart(), this.sourceEnd,
+						"Annotation removal does not allow values to be specified for the annotation (compiler limitation)");
+			}
+		}
 		long bits = annotation.resolvedType.getAnnotationTagBits();
 
 		if ((bits & TagBits.AnnotationTarget) != 0) {
@@ -78,7 +91,8 @@ public class DeclareAnnotationDeclaration extends DeclareDeclaration {
 	private void addAnnotation(Annotation ann) {
 		if (this.annotations == null) {
 			this.annotations = new Annotation[1];
-		} else {
+		}
+		else {
 			Annotation[] old = this.annotations;
 			this.annotations = new Annotation[old.length + 1];
 			System.arraycopy(old, 0, this.annotations, 1, old.length);
@@ -93,4 +107,7 @@ public class DeclareAnnotationDeclaration extends DeclareDeclaration {
 		}
 	}
 
+	public boolean isRemover() {
+		return isRemover;
+	}
 }
diff --git a/org.aspectj.ajdt.core/src/org/aspectj/ajdt/internal/compiler/parser/DeclarationFactory.java b/org.aspectj.ajdt.core/src/org/aspectj/ajdt/internal/compiler/parser/DeclarationFactory.java
index be12049fd..5cc6bd37c 100644
--- a/org.aspectj.ajdt.core/src/org/aspectj/ajdt/internal/compiler/parser/DeclarationFactory.java
+++ b/org.aspectj.ajdt.core/src/org/aspectj/ajdt/internal/compiler/parser/DeclarationFactory.java
@@ -146,8 +146,10 @@ public class DeclarationFactory implements IDeclarationFactory {
 	public MethodDeclaration createDeclareAnnotationDeclaration(CompilationResult result, ASTNode pseudoTokens,
 			Annotation annotation, Parser parser, char kind) {
 		DeclareAnnotation declare = (DeclareAnnotation) ((PseudoTokens) pseudoTokens).parseAnnotationDeclare(parser);
-		if (kind == '-') {
-			declare.setRemover(true);
+		if (declare != null) {
+			if (kind == '-') {
+				declare.setRemover(true);
+			}
 		}
 		DeclareAnnotationDeclaration decl = new DeclareAnnotationDeclaration(result, declare, annotation);
 		return decl;
diff --git a/org.aspectj.ajdt.core/src/org/aspectj/ajdt/internal/compiler/problem/AjProblemReporter.java b/org.aspectj.ajdt.core/src/org/aspectj/ajdt/internal/compiler/problem/AjProblemReporter.java
index 31f50a573..1cbaf124f 100644
--- a/org.aspectj.ajdt.core/src/org/aspectj/ajdt/internal/compiler/problem/AjProblemReporter.java
+++ b/org.aspectj.ajdt.core/src/org/aspectj/ajdt/internal/compiler/problem/AjProblemReporter.java
@@ -22,6 +22,7 @@ import java.util.List;
 import java.util.Set;
 
 import org.aspectj.ajdt.internal.compiler.ast.AspectDeclaration;
+import org.aspectj.ajdt.internal.compiler.ast.DeclareAnnotationDeclaration;
 import org.aspectj.ajdt.internal.compiler.ast.PointcutDeclaration;
 import org.aspectj.ajdt.internal.compiler.ast.Proceed;
 import org.aspectj.ajdt.internal.compiler.lookup.EclipseFactory;
@@ -684,5 +685,15 @@ public class AjProblemReporter extends ProblemReporter {
 			super.parseErrorInsertAfterToken(start, end, currentKind, errorTokenSource, errorTokenName, expectedToken);
 		}
 	}
+	
+	public void missingValueForAnnotationMember(Annotation annotation, char[] memberName) {
+		if (referenceContext instanceof DeclareAnnotationDeclaration)  {
+			// If a remover then the values are not necessary
+			if (((DeclareAnnotationDeclaration)referenceContext).isRemover()) {
+				return;
+			}
+		}
+		super.missingValueForAnnotationMember(annotation, memberName);
+	}
 
 }
-- 
2.39.5