123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117 |
- /* *******************************************************************
- * 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();
- }
-
- }
-
- }
|