org.aspectj.ajdt.internal.compiler.ast.AspectClinit Maven / Gradle / Ivy
/* *******************************************************************
* Copyright (c) 2002 Palo Alto Research Center, Incorporated (PARC).
* 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:
* PARC initial implementation
* ******************************************************************/
package org.aspectj.ajdt.internal.compiler.ast;
import org.aspectj.ajdt.internal.compiler.lookup.EclipseFactory;
import org.aspectj.org.eclipse.jdt.internal.compiler.CompilationResult;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.Clinit;
import org.aspectj.org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;
import org.aspectj.org.eclipse.jdt.internal.compiler.codegen.BranchLabel;
import org.aspectj.org.eclipse.jdt.internal.compiler.codegen.CodeStream;
import org.aspectj.org.eclipse.jdt.internal.compiler.codegen.ExceptionLabel;
import org.aspectj.org.eclipse.jdt.internal.compiler.codegen.Opcodes;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.ClassScope;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.FieldBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.LocalVariableBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.TypeBinding;
import org.aspectj.weaver.AjcMemberMaker;
public class AspectClinit extends Clinit {
private boolean hasPre, hasPost;
private FieldBinding initFailureField;
public AspectClinit(Clinit old, CompilationResult compilationResult, boolean hasPre, boolean hasPost, FieldBinding initFailureField) {
super(compilationResult);
// CHECK do we need all the bits or just the needfreereturn bit?
// if ((old.bits & ASTNode.NeedFreeReturn)!=0) this.bits |= ASTNode.NeedFreeReturn;
this.bits = old.bits;
this.sourceEnd = old.sourceEnd;
this.sourceStart = old.sourceStart;
this.declarationSourceEnd = old.declarationSourceEnd;
this.declarationSourceStart = old.declarationSourceStart;
this.hasPre = hasPre;
this.hasPost = hasPost;
this.initFailureField = initFailureField;
}
private ExceptionLabel handlerLabel;
protected void generateSyntheticCode(
ClassScope classScope,
CodeStream codeStream)
{
if (initFailureField != null) {
handlerLabel = new ExceptionLabel(codeStream, classScope.getJavaLangThrowable());
handlerLabel.placeStart();
}
if (hasPre) {
final EclipseFactory world = EclipseFactory.fromScopeLookupEnvironment(classScope);
codeStream.invoke(Opcodes.OPC_invokestatic,world.makeMethodBindingForCall(
AjcMemberMaker.ajcPreClinitMethod(
world.fromBinding(classScope.referenceContext.binding)
)),null);
}
super.generateSyntheticCode(classScope, codeStream);
}
protected void generatePostSyntheticCode(
ClassScope classScope,
CodeStream codeStream)
{
super.generatePostSyntheticCode(classScope, codeStream);
if (hasPost) {
final EclipseFactory world = EclipseFactory.fromScopeLookupEnvironment(classScope);
codeStream.invoke(Opcodes.OPC_invokestatic,world.makeMethodBindingForCall(
AjcMemberMaker.ajcPostClinitMethod(
world.fromBinding(classScope.referenceContext.binding)
)),null);
}
boolean creatingStackMap = (codeStream.generateAttributes & (
ClassFileConstants.ATTR_STACK_MAP_TABLE
| ClassFileConstants.ATTR_STACK_MAP))!=0;
if (initFailureField != null) {
// Changes to this exception handling code may require changes to
// BcelClassWeaver.isInitFailureHandler()
handlerLabel.placeEnd();
BranchLabel endLabel = new BranchLabel(codeStream);
codeStream.goto_(endLabel);
// In order to keep stack map computation happy, need to give it more information, about the exception type
// here and the local variable being used to track the exception (in the catch block)
codeStream.pushExceptionOnStack(this.scope.getJavaLangThrowable());
handlerLabel.place();
LocalVariableBinding localVariableBinding = null;
if (creatingStackMap) {
localVariableBinding = new LocalVariableBinding("throwable".toCharArray(), this.scope.getJavaLangThrowable(), 0, false); //$NON-NLS-1$
codeStream.addVariable(localVariableBinding);
localVariableBinding.recordInitializationStartPC(codeStream.position);
}
codeStream.astore_0(); // Bug #52394
// CHECK THIS...
codeStream.addVariable(new LocalVariableBinding("caughtException".toCharArray(),initFailureField.type,ClassFileConstants.AccPrivate,false));
codeStream.aload_0();
if (creatingStackMap) {
localVariableBinding.recordInitializationEndPC(codeStream.position);
}
codeStream.fieldAccess(Opcodes.OPC_putstatic, initFailureField, null);
endLabel.place();
}
}
}