org.aspectj.org.eclipse.jdt.internal.compiler.codegen.TypeAnnotationCodeStream Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of aspectjtools Show documentation
Show all versions of aspectjtools Show documentation
Tools from the AspectJ project
/*******************************************************************************
* Copyright (c) 2012, 2014 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Andy Clement (GoPivotal, Inc) [email protected] - Contributions for
* Bug 383624 - [1.8][compiler] Revive code generation support for type annotations (from Olivier's work)
* Bug 409247 - [1.8][compiler] Verify error with code allocating multidimensional array
* Bug 409517 - [1.8][compiler] Type annotation problems on more elaborate array references
* Bug 409250 - [1.8][compiler] Various loose ends in 308 code generation
*******************************************************************************/
package org.aspectj.org.eclipse.jdt.internal.compiler.codegen;
import java.util.ArrayList;
import java.util.List;
import org.aspectj.org.eclipse.jdt.internal.compiler.ClassFile;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.ASTNode;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.ArrayAllocationExpression;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.TypeReference;
import org.aspectj.org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.ArrayBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.MethodBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.TypeBinding;
@SuppressWarnings({"rawtypes"})
public class TypeAnnotationCodeStream extends StackMapFrameCodeStream {
public List allTypeAnnotationContexts;
public TypeAnnotationCodeStream(ClassFile givenClassFile) {
super(givenClassFile);
this.generateAttributes |= ClassFileConstants.ATTR_TYPE_ANNOTATION;
this.allTypeAnnotationContexts = new ArrayList();
}
private void addAnnotationContext(TypeReference typeReference, int info, int targetType, ArrayAllocationExpression allocationExpression) {
allocationExpression.getAllAnnotationContexts(targetType, info, this.allTypeAnnotationContexts);
}
private void addAnnotationContext(TypeReference typeReference, int info, int targetType) {
typeReference.getAllAnnotationContexts(targetType, info, this.allTypeAnnotationContexts);
}
private void addAnnotationContext(TypeReference typeReference, int info, int typeIndex, int targetType) {
typeReference.getAllAnnotationContexts(targetType, info, typeIndex, this.allTypeAnnotationContexts);
}
public void instance_of(TypeReference typeReference, TypeBinding typeBinding) {
if (typeReference != null && (typeReference.bits & ASTNode.HasTypeAnnotations) != 0) {
addAnnotationContext(typeReference, this.position, AnnotationTargetTypeConstants.INSTANCEOF);
}
super.instance_of(typeReference, typeBinding);
}
public void multianewarray(
TypeReference typeReference,
TypeBinding typeBinding,
int dimensions,
ArrayAllocationExpression allocationExpression) {
if (typeReference != null && (typeReference.bits & ASTNode.HasTypeAnnotations) != 0) {
addAnnotationContext(typeReference, this.position, AnnotationTargetTypeConstants.NEW, allocationExpression);
}
super.multianewarray(typeReference, typeBinding, dimensions, allocationExpression);
}
public void new_(TypeReference typeReference, TypeBinding typeBinding) {
if (typeReference != null && (typeReference.bits & ASTNode.HasTypeAnnotations) != 0) {
addAnnotationContext(typeReference, this.position, AnnotationTargetTypeConstants.NEW);
}
super.new_(typeReference, typeBinding);
}
public void newArray(TypeReference typeReference, ArrayAllocationExpression allocationExpression, ArrayBinding arrayBinding) {
if (typeReference != null && (typeReference.bits & ASTNode.HasTypeAnnotations) != 0) {
addAnnotationContext(typeReference, this.position, AnnotationTargetTypeConstants.NEW, allocationExpression);
}
super.newArray(typeReference, allocationExpression, arrayBinding);
}
public void checkcast(TypeReference typeReference, TypeBinding typeBinding) {
/* We use a slightly sub-optimal generation for intersection casts by resorting to a runtime cast for every intersecting type, but in
reality this should not matter. In its intended use form such as (I & Serializable) () -> {}, no cast is emitted at all. Also note
intersection cast type references cannot nest i.e ((X & I) & J) is not valid syntax.
*/
if (typeReference != null) {
TypeReference [] typeReferences = typeReference.getTypeReferences();
for (int i = typeReferences.length - 1; i >= 0; i--) { // need to emit right to left.
typeReference = typeReferences[i];
if (typeReference != null) {
if ((typeReference.bits & ASTNode.HasTypeAnnotations) != 0)
addAnnotationContext(typeReference, this.position, i, AnnotationTargetTypeConstants.CAST);
super.checkcast(typeReference, typeReference.resolvedType);
}
}
} else {
super.checkcast(null, typeBinding);
}
}
public void invoke(byte opcode, MethodBinding methodBinding, TypeBinding declaringClass, TypeReference[] typeArguments) {
if (typeArguments != null) {
int targetType = methodBinding.isConstructor()
? AnnotationTargetTypeConstants.CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT
: AnnotationTargetTypeConstants.METHOD_INVOCATION_TYPE_ARGUMENT;
for (int i = 0, max = typeArguments.length; i < max; i++) {
TypeReference typeArgument = typeArguments[i];
if ((typeArgument.bits & ASTNode.HasTypeAnnotations) != 0) {
addAnnotationContext(typeArgument, this.position, i, targetType);
}
}
}
super.invoke(opcode, methodBinding, declaringClass, typeArguments);
}
public void invokeDynamic(int bootStrapIndex, int argsSize, int returnTypeSize, char[] selector, char[] signature,
boolean isConstructorReference, TypeReference lhsTypeReference, TypeReference [] typeArguments) {
if (lhsTypeReference != null && (lhsTypeReference.bits & ASTNode.HasTypeAnnotations) != 0) {
if (isConstructorReference) {
addAnnotationContext(lhsTypeReference, this.position, 0, AnnotationTargetTypeConstants.CONSTRUCTOR_REFERENCE);
} else {
addAnnotationContext(lhsTypeReference, this.position, 0, AnnotationTargetTypeConstants.METHOD_REFERENCE);
}
}
if (typeArguments != null) {
int targetType =
isConstructorReference
? AnnotationTargetTypeConstants.CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT
: AnnotationTargetTypeConstants.METHOD_REFERENCE_TYPE_ARGUMENT;
for (int i = 0, max = typeArguments.length; i < max; i++) {
TypeReference typeArgument = typeArguments[i];
if ((typeArgument.bits & ASTNode.HasTypeAnnotations) != 0) {
addAnnotationContext(typeArgument, this.position, i, targetType);
}
}
}
super.invokeDynamic(bootStrapIndex, argsSize, returnTypeSize, selector, signature, isConstructorReference, lhsTypeReference, typeArguments);
}
public void reset(ClassFile givenClassFile) {
super.reset(givenClassFile);
this.allTypeAnnotationContexts = new ArrayList();
}
public void init(ClassFile targetClassFile) {
super.init(targetClassFile);
this.allTypeAnnotationContexts = new ArrayList();
}
}