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The AspectJ weaver introduces advices to java classes
/* *******************************************************************
* 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 v 2.0
* which accompanies this distribution and is available at
* https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.txt
*
* Contributors:
* PARC initial implementation
* ******************************************************************/
package org.aspectj.weaver.model;
import java.io.File;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import org.aspectj.asm.AsmManager;
import org.aspectj.asm.IHierarchy;
import org.aspectj.asm.IProgramElement;
import org.aspectj.asm.IRelationship;
import org.aspectj.asm.IRelationshipMap;
import org.aspectj.asm.internal.HandleProviderDelimiter;
import org.aspectj.asm.internal.ProgramElement;
import org.aspectj.bridge.ISourceLocation;
import org.aspectj.bridge.SourceLocation;
import org.aspectj.weaver.Advice;
import org.aspectj.weaver.AdviceKind;
import org.aspectj.weaver.Checker;
import org.aspectj.weaver.Lint;
import org.aspectj.weaver.Member;
import org.aspectj.weaver.NewParentTypeMunger;
import org.aspectj.weaver.ReferenceType;
import org.aspectj.weaver.ResolvedMember;
import org.aspectj.weaver.ResolvedPointcutDefinition;
import org.aspectj.weaver.ResolvedType;
import org.aspectj.weaver.ResolvedTypeMunger;
import org.aspectj.weaver.ResolvedTypeMunger.Kind;
import org.aspectj.weaver.Shadow;
import org.aspectj.weaver.ShadowMunger;
import org.aspectj.weaver.UnresolvedType;
import org.aspectj.weaver.World;
import org.aspectj.weaver.bcel.BcelShadow;
import org.aspectj.weaver.bcel.BcelTypeMunger;
import org.aspectj.weaver.patterns.DeclareErrorOrWarning;
import org.aspectj.weaver.patterns.DeclareParents;
import org.aspectj.weaver.patterns.Pointcut;
import org.aspectj.weaver.patterns.TypePatternList;
public class AsmRelationshipProvider {
public static final String ADVISES = "advises";
public static final String ADVISED_BY = "advised by";
public static final String DECLARES_ON = "declares on";
public static final String DECLAREDY_BY = "declared by";
public static final String SOFTENS = "softens";
public static final String SOFTENED_BY = "softened by";
public static final String MATCHED_BY = "matched by";
public static final String MATCHES_DECLARE = "matches declare";
public static final String INTER_TYPE_DECLARES = "declared on";
public static final String INTER_TYPE_DECLARED_BY = "aspect declarations";
public static final String ANNOTATES = "annotates";
public static final String ANNOTATED_BY = "annotated by";
// public static final String REMOVES_ANNOTATION = "removes annotation";
// public static final String ANNOTATION_REMOVED_BY = "annotated removed by";
/**
* Add a relationship for a declare error or declare warning
*/
public static void addDeclareErrorOrWarningRelationship(AsmManager model, Shadow affectedShadow, Checker deow) {
if (model == null) {
return;
}
if (affectedShadow.getSourceLocation() == null || deow.getSourceLocation() == null) {
return;
}
if (World.createInjarHierarchy) {
createHierarchyForBinaryAspect(model, deow);
}
IProgramElement targetNode = getNode(model, affectedShadow);
if (targetNode == null) {
return;
}
String targetHandle = targetNode.getHandleIdentifier();
if (targetHandle == null) {
return;
}
IProgramElement sourceNode = model.getHierarchy().findElementForSourceLine(deow.getSourceLocation());
String sourceHandle = sourceNode.getHandleIdentifier();
if (sourceHandle == null) {
return;
}
IRelationshipMap relmap = model.getRelationshipMap();
IRelationship foreward = relmap.get(sourceHandle, IRelationship.Kind.DECLARE, MATCHED_BY, false, true);
foreward.addTarget(targetHandle);
IRelationship back = relmap.get(targetHandle, IRelationship.Kind.DECLARE, MATCHES_DECLARE, false, true);
if (back != null && back.getTargets() != null) {
back.addTarget(sourceHandle);
}
if (sourceNode.getSourceLocation() != null) {
model.addAspectInEffectThisBuild(sourceNode.getSourceLocation().getSourceFile());
}
}
private static boolean isMixinRelated(ResolvedTypeMunger typeTransformer) {
Kind kind = typeTransformer.getKind();
return kind == ResolvedTypeMunger.MethodDelegate2 || kind == ResolvedTypeMunger.FieldHost
|| (kind == ResolvedTypeMunger.Parent && ((NewParentTypeMunger) typeTransformer).isMixin());
}
/**
* Add a relationship for a type transformation (declare parents, intertype method declaration, declare annotation on type).
*/
public static void addRelationship(AsmManager model, ResolvedType onType, ResolvedTypeMunger typeTransformer,
ResolvedType originatingAspect) {
if (model == null) {
return;
}
if (World.createInjarHierarchy && isBinaryAspect(originatingAspect)) {
createHierarchy(model, typeTransformer, originatingAspect);
}
if (originatingAspect.getSourceLocation() != null) {
String sourceHandle = "";
IProgramElement sourceNode = null;
if (typeTransformer.getSourceLocation() != null && typeTransformer.getSourceLocation().getOffset() != -1
&& !isMixinRelated(typeTransformer)) {
sourceNode = model.getHierarchy().findElementForType(originatingAspect.getPackageName(),
originatingAspect.getClassName());
IProgramElement closer = model.getHierarchy().findCloserMatchForLineNumber(sourceNode,
typeTransformer.getSourceLocation().getLine());
if (closer != null) {
sourceNode = closer;
}
if (sourceNode == null) {
// This can be caused by the aspect defining the type munger actually being on the classpath and not the
// inpath or aspectpath. Rather than NPE at the next line, let's have another go at faulting it in.
// This inner loop is a small duplicate of the outer loop that attempts to find something closer than
// the type declaration
if (World.createInjarHierarchy) {
createHierarchy(model, typeTransformer, originatingAspect);
if (typeTransformer.getSourceLocation() != null && typeTransformer.getSourceLocation().getOffset() != -1
&& !isMixinRelated(typeTransformer)) {
sourceNode = model.getHierarchy().findElementForType(originatingAspect.getPackageName(),
originatingAspect.getClassName());
IProgramElement closer2 = model.getHierarchy().findCloserMatchForLineNumber(sourceNode,
typeTransformer.getSourceLocation().getLine());
if (closer2 != null) {
sourceNode = closer2;
}
} else {
sourceNode = model.getHierarchy().findElementForType(originatingAspect.getPackageName(),
originatingAspect.getClassName());
}
}
}
sourceHandle = sourceNode.getHandleIdentifier();
} else {
sourceNode = model.getHierarchy().findElementForType(originatingAspect.getPackageName(),
originatingAspect.getClassName());
// sourceNode =
// asm.getHierarchy().findElementForSourceLine(originatingAspect
// .getSourceLocation());
sourceHandle = sourceNode.getHandleIdentifier();
}
// sourceNode =
// asm.getHierarchy().findElementForType(originatingAspect
// .getPackageName(),
// originatingAspect.getClassName());
// // sourceNode =
// asm.getHierarchy().findElementForSourceLine(munger
// .getSourceLocation());
// sourceHandle =
// asm.getHandleProvider().createHandleIdentifier(sourceNode);
if (sourceHandle == null) {
return;
}
String targetHandle = findOrFakeUpNode(model, onType);
if (targetHandle == null) {
return;
}
IRelationshipMap mapper = model.getRelationshipMap();
IRelationship foreward = mapper.get(sourceHandle, IRelationship.Kind.DECLARE_INTER_TYPE, INTER_TYPE_DECLARES, false,
true);
foreward.addTarget(targetHandle);
IRelationship back = mapper.get(targetHandle, IRelationship.Kind.DECLARE_INTER_TYPE, INTER_TYPE_DECLARED_BY, false,
true);
back.addTarget(sourceHandle);
if (sourceNode != null && sourceNode.getSourceLocation() != null) {
// May have been a bug in the compiled aspect - so it didn't get put in the model
model.addAspectInEffectThisBuild(sourceNode.getSourceLocation().getSourceFile());
}
}
}
private static String findOrFakeUpNode(AsmManager model, ResolvedType onType) {
IHierarchy hierarchy = model.getHierarchy();
ISourceLocation sourceLocation = onType.getSourceLocation();
String canonicalFilePath = model.getCanonicalFilePath(sourceLocation.getSourceFile());
int lineNumber = sourceLocation.getLine();
// Find the relevant source file node first
IProgramElement node = hierarchy.findNodeForSourceFile(hierarchy.getRoot(), canonicalFilePath);
if (node == null) {
// Does not exist in the model - probably an inpath
String bpath = onType.getBinaryPath();
if (bpath == null) {
return model.getHandleProvider().createHandleIdentifier(createFileStructureNode(model, canonicalFilePath));
} else {
IProgramElement programElement = model.getHierarchy().getRoot();
// =Foo/, 0 && ((ch = bpath.charAt(startPosition)) != '/' && ch != '\\' && ch != '!')) {
startPosition--;
}
String classFile = bpath.substring(startPosition + 1, dotClassPosition + 6);
phantomHandle.append(HandleProviderDelimiter.CLASSFILE.getDelimiter()).append(classFile);
}
// [G
phantomHandle.append(HandleProviderDelimiter.TYPE.getDelimiter()).append(onType.getClassName());
return phantomHandle.toString();
}
} else {
// Check if there is a more accurate child node of that source file node:
IProgramElement closernode = hierarchy.findCloserMatchForLineNumber(node, lineNumber);
if (closernode == null) {
return node.getHandleIdentifier();
} else {
return closernode.getHandleIdentifier();
}
}
}
public static IProgramElement createFileStructureNode(AsmManager asm, String sourceFilePath) {
// SourceFilePath might have originated on windows on linux...
int lastSlash = sourceFilePath.lastIndexOf('\\');
if (lastSlash == -1) {
lastSlash = sourceFilePath.lastIndexOf('/');
}
// '!' is used like in URLs "c:/blahblah/X.jar!a/b.class"
int i = sourceFilePath.lastIndexOf('!');
int j = sourceFilePath.indexOf(".class");
if (i > lastSlash && i != -1 && j != -1) {
// we are a binary aspect in the default package
lastSlash = i;
}
String fileName = sourceFilePath.substring(lastSlash + 1);
IProgramElement fileNode = new ProgramElement(asm, fileName, IProgramElement.Kind.FILE_JAVA, new SourceLocation(new File(
sourceFilePath), 1, 1), 0, null, null);
// fileNode.setSourceLocation();
fileNode.addChild(IHierarchy.NO_STRUCTURE);
return fileNode;
}
private static boolean isBinaryAspect(ResolvedType aspect) {
return aspect.getBinaryPath() != null;
}
/**
* Returns the binarySourceLocation for the given sourcelocation. This isn't cached because it's used when faulting in the
* binary nodes and is called with ISourceLocations for all advice, pointcuts and deows contained within the
* resolvedDeclaringAspect.
*/
private static ISourceLocation getBinarySourceLocation(ResolvedType aspect, ISourceLocation sl) {
if (sl == null) {
return null;
}
String sourceFileName = null;
if (aspect instanceof ReferenceType) {
String s = ((ReferenceType) aspect).getDelegate().getSourcefilename();
int i = s.lastIndexOf('/');
if (i != -1) {
sourceFileName = s.substring(i + 1);
} else {
sourceFileName = s;
}
}
ISourceLocation sLoc = new SourceLocation(getBinaryFile(aspect), sl.getLine(), sl.getEndLine(),
((sl.getColumn() == 0) ? ISourceLocation.NO_COLUMN : sl.getColumn()), sl.getContext(), sourceFileName);
return sLoc;
}
private static ISourceLocation createSourceLocation(String sourcefilename, ResolvedType aspect, ISourceLocation sl) {
ISourceLocation sLoc = new SourceLocation(getBinaryFile(aspect), sl.getLine(), sl.getEndLine(),
((sl.getColumn() == 0) ? ISourceLocation.NO_COLUMN : sl.getColumn()), sl.getContext(), sourcefilename);
return sLoc;
}
private static String getSourceFileName(ResolvedType aspect) {
String sourceFileName = null;
if (aspect instanceof ReferenceType) {
String s = ((ReferenceType) aspect).getDelegate().getSourcefilename();
int i = s.lastIndexOf('/');
if (i != -1) {
sourceFileName = s.substring(i + 1);
} else {
sourceFileName = s;
}
}
return sourceFileName;
}
/**
* Returns the File with pathname to the class file, for example either C:\temp
* \ajcSandbox\workspace\ajcTest16957.tmp\simple.jar!pkg\BinaryAspect.class if the class file is in a jar file, or
* C:\temp\ajcSandbox\workspace\ajcTest16957.tmp!pkg\BinaryAspect.class if the class file is in a directory
*/
private static File getBinaryFile(ResolvedType aspect) {
String s = aspect.getBinaryPath();
File f = aspect.getSourceLocation().getSourceFile();
// Replace the source file suffix with .class
int i = f.getPath().lastIndexOf('.');
String path = null;
if (i != -1) {
path = f.getPath().substring(0, i) + ".class";
} else {
path = f.getPath() + ".class";
}
return new File(s + "!" + path);
}
/**
* Create a basic hierarchy to represent an aspect only available in binary (from the aspectpath).
*/
private static void createHierarchy(AsmManager model, ResolvedTypeMunger typeTransformer, ResolvedType aspect) {
// assert aspect != null;
// Check if already defined in the model
// IProgramElement filenode =
// model.getHierarchy().findElementForType(aspect.getPackageName(),
// aspect.getClassName());
// SourceLine(typeTransformer.getSourceLocation());
IProgramElement filenode = model.getHierarchy().findElementForSourceLine(typeTransformer.getSourceLocation());
if (filenode == null) {
if (typeTransformer.getKind() == ResolvedTypeMunger.MethodDelegate2
|| typeTransformer.getKind() == ResolvedTypeMunger.FieldHost) {
// not yet faulting these in
return;
}
}
// the call to findElementForSourceLine(ISourceLocation) returns a file
// node
// if it can't find a node in the hierarchy for the given
// sourcelocation.
// Therefore, if this is returned, we know we can't find one and have to
// // continue to fault in the model.
// if (filenode != null) { //
if (!filenode.getKind().equals(IProgramElement.Kind.FILE_JAVA)) {
return;
}
// create the class file node
ISourceLocation binLocation = getBinarySourceLocation(aspect, aspect.getSourceLocation());
String f = getBinaryFile(aspect).getName();
IProgramElement classFileNode = new ProgramElement(model, f, IProgramElement.Kind.FILE, binLocation, 0, null, null);
// create package ipe if one exists....
IProgramElement root = model.getHierarchy().getRoot();
IProgramElement binaries = model.getHierarchy().findElementForLabel(root, IProgramElement.Kind.SOURCE_FOLDER, "binaries");
if (binaries == null) {
binaries = new ProgramElement(model, "binaries", IProgramElement.Kind.SOURCE_FOLDER, new ArrayList<>());
root.addChild(binaries);
}
// if (aspect.getPackageName() != null) {
String packagename = aspect.getPackageName() == null ? "" : aspect.getPackageName();
// check that there doesn't already exist a node with this name
IProgramElement pkgNode = model.getHierarchy().findElementForLabel(binaries, IProgramElement.Kind.PACKAGE, packagename);
// note packages themselves have no source location
if (pkgNode == null) {
pkgNode = new ProgramElement(model, packagename, IProgramElement.Kind.PACKAGE, new ArrayList<>());
binaries.addChild(pkgNode);
pkgNode.addChild(classFileNode);
} else {
// need to add it first otherwise the handle for classFileNode
// may not be generated correctly if it uses information from
// it's parent node
pkgNode.addChild(classFileNode);
for (IProgramElement element: pkgNode.getChildren()) {
if (!element.equals(classFileNode) && element.getHandleIdentifier().equals(classFileNode.getHandleIdentifier())) {
// already added the classfile so have already
// added the structure for this aspect
pkgNode.removeChild(classFileNode);
return;
}
}
}
// } else {
// // need to add it first otherwise the handle for classFileNode
// // may not be generated correctly if it uses information from
// // it's parent node
// root.addChild(classFileNode);
// for (Iterator iter = root.getChildren().iterator(); iter.hasNext();)
// {
// IProgramElement element = (IProgramElement) iter.next();
// if (!element.equals(classFileNode) &&
// element.getHandleIdentifier().equals
// (classFileNode.getHandleIdentifier())) {
// // already added the sourcefile so have already
// // added the structure for this aspect
// root.removeChild(classFileNode);
// return;
// }
// }
// }
// add and create empty import declaration ipe
// no import container for binary type - 265693
// classFileNode.addChild(new ProgramElement(model, "import declarations", IProgramElement.Kind.IMPORT_REFERENCE, null, 0,
// null, null));
// add and create aspect ipe
IProgramElement aspectNode = new ProgramElement(model, aspect.getSimpleName(), IProgramElement.Kind.ASPECT,
getBinarySourceLocation(aspect, aspect.getSourceLocation()), aspect.getModifiers(), null, null);
classFileNode.addChild(aspectNode);
addChildNodes(model, aspect, aspectNode, aspect.getDeclaredPointcuts());
addChildNodes(model, aspect, aspectNode, aspect.getDeclaredAdvice());
addChildNodes(model, aspect, aspectNode, aspect.getDeclares());
addChildNodes(model, aspect, aspectNode, aspect.getTypeMungers());
}
/**
* Adds a declare annotation relationship, sometimes entities don't have source locs (methods/fields) so use other variants of
* this method if that is the case as they will look the entities up in the structure model.
*/
public static void addDeclareAnnotationRelationship(AsmManager model, ISourceLocation declareAnnotationLocation,
ISourceLocation annotatedLocation, boolean isRemove) {
if (model == null) {
return;
}
IProgramElement sourceNode = model.getHierarchy().findElementForSourceLine(declareAnnotationLocation);
String sourceHandle = sourceNode.getHandleIdentifier();
if (sourceHandle == null) {
return;
}
IProgramElement targetNode = model.getHierarchy().findElementForSourceLine(annotatedLocation);
String targetHandle = targetNode.getHandleIdentifier();
if (targetHandle == null) {
return;
}
IRelationshipMap mapper = model.getRelationshipMap();
// if (isRemove) {
// IRelationship foreward = mapper.get(sourceHandle, IRelationship.Kind.DECLARE_INTER_TYPE, REMOVES_ANNOTATION, false,
// true);
// foreward.addTarget(targetHandle);
//
// IRelationship back = mapper
// .get(targetHandle, IRelationship.Kind.DECLARE_INTER_TYPE, ANNOTATION_REMOVED_BY, false, true);
// back.addTarget(sourceHandle);
// if (sourceNode.getSourceLocation() != null) {
// model.addAspectInEffectThisBuild(sourceNode.getSourceLocation().getSourceFile());
// }
// } else {
IRelationship foreward = mapper.get(sourceHandle, IRelationship.Kind.DECLARE_INTER_TYPE, ANNOTATES, false, true);
foreward.addTarget(targetHandle);
IRelationship back = mapper.get(targetHandle, IRelationship.Kind.DECLARE_INTER_TYPE, ANNOTATED_BY, false, true);
back.addTarget(sourceHandle);
if (sourceNode.getSourceLocation() != null) {
model.addAspectInEffectThisBuild(sourceNode.getSourceLocation().getSourceFile());
}
// }
}
/**
* Creates the hierarchy for binary aspects
*/
public static void createHierarchyForBinaryAspect(AsmManager asm, ShadowMunger munger) {
if (!munger.isBinary()) {
return;
}
IProgramElement sourceFileNode = asm.getHierarchy().findElementForSourceLine(munger.getSourceLocation());
// the call to findElementForSourceLine(ISourceLocation) returns a file
// node if it can't find a node in the hierarchy for the given sourcelocation.
// Therefore, if this is returned, we know we can't find one and have to
// continue to fault in the model.
if (!sourceFileNode.getKind().equals(IProgramElement.Kind.FILE_JAVA)) {
return;
}
ResolvedType aspect = munger.getDeclaringType();
// create the class file node
IProgramElement classFileNode = new ProgramElement(asm, sourceFileNode.getName(), IProgramElement.Kind.FILE,
munger.getBinarySourceLocation(aspect.getSourceLocation()), 0, null, null);
// create package ipe if one exists....
IProgramElement root = asm.getHierarchy().getRoot();
IProgramElement binaries = asm.getHierarchy().findElementForLabel(root, IProgramElement.Kind.SOURCE_FOLDER, "binaries");
if (binaries == null) {
binaries = new ProgramElement(asm, "binaries", IProgramElement.Kind.SOURCE_FOLDER, new ArrayList<>());
root.addChild(binaries);
}
// if (aspect.getPackageName() != null) {
String packagename = aspect.getPackageName() == null ? "" : aspect.getPackageName();
// check that there doesn't already exist a node with this name
IProgramElement pkgNode = asm.getHierarchy().findElementForLabel(binaries, IProgramElement.Kind.PACKAGE, packagename);
// note packages themselves have no source location
if (pkgNode == null) {
pkgNode = new ProgramElement(asm, packagename, IProgramElement.Kind.PACKAGE, new ArrayList<>());
binaries.addChild(pkgNode);
pkgNode.addChild(classFileNode);
} else {
// need to add it first otherwise the handle for classFileNode
// may not be generated correctly if it uses information from
// it's parent node
pkgNode.addChild(classFileNode);
for (IProgramElement element: pkgNode.getChildren()) {
if (!element.equals(classFileNode) && element.getHandleIdentifier().equals(classFileNode.getHandleIdentifier())) {
// already added the classfile so have already
// added the structure for this aspect
pkgNode.removeChild(classFileNode);
return;
}
}
}
// } else {
// // need to add it first otherwise the handle for classFileNode
// // may not be generated correctly if it uses information from
// // it's parent node
// root.addChild(classFileNode);
// for (Iterator iter = root.getChildren().iterator(); iter.hasNext();)
// {
// IProgramElement element = (IProgramElement) iter.next();
// if (!element.equals(classFileNode) &&
// element.getHandleIdentifier().equals
// (classFileNode.getHandleIdentifier())) {
// // already added the sourcefile so have already
// // added the structure for this aspect
// root.removeChild(classFileNode);
// return;
// }
// }
// }
// add and create empty import declaration ipe
// classFileNode.addChild(new ProgramElement(asm, "import declarations", IProgramElement.Kind.IMPORT_REFERENCE, null, 0,
// null,
// null));
// add and create aspect ipe
IProgramElement aspectNode = new ProgramElement(asm, aspect.getSimpleName(), IProgramElement.Kind.ASPECT,
munger.getBinarySourceLocation(aspect.getSourceLocation()), aspect.getModifiers(), null, null);
classFileNode.addChild(aspectNode);
String sourcefilename = getSourceFileName(aspect);
addPointcuts(asm, sourcefilename, aspect, aspectNode, aspect.getDeclaredPointcuts());
addChildNodes(asm, aspect, aspectNode, aspect.getDeclaredAdvice());
addChildNodes(asm, aspect, aspectNode, aspect.getDeclares());
addChildNodes(asm, aspect, aspectNode, aspect.getTypeMungers());
}
private static void addPointcuts(AsmManager model, String sourcefilename, ResolvedType aspect,
IProgramElement containingAspect, ResolvedMember[] pointcuts) {
for (ResolvedMember pointcut : pointcuts) {
if (pointcut instanceof ResolvedPointcutDefinition) {
ResolvedPointcutDefinition rpcd = (ResolvedPointcutDefinition) pointcut;
Pointcut p = rpcd.getPointcut();
ISourceLocation sLoc = (p == null ? null : p.getSourceLocation());
if (sLoc == null) {
sLoc = rpcd.getSourceLocation();
}
ISourceLocation pointcutLocation = (sLoc == null ? null : createSourceLocation(sourcefilename, aspect, sLoc));
ProgramElement pointcutElement = new ProgramElement(model, pointcut.getName(), IProgramElement.Kind.POINTCUT,
pointcutLocation, pointcut.getModifiers(), NO_COMMENT, Collections.emptyList());
containingAspect.addChild(pointcutElement);
}
}
}
private static final String NO_COMMENT = null;
private static void addChildNodes(AsmManager asm, ResolvedType aspect, IProgramElement parent, ResolvedMember[] children) {
for (ResolvedMember pcd : children) {
if (pcd instanceof ResolvedPointcutDefinition) {
ResolvedPointcutDefinition rpcd = (ResolvedPointcutDefinition) pcd;
Pointcut p = rpcd.getPointcut();
ISourceLocation sLoc = (p == null ? null : p.getSourceLocation());
if (sLoc == null) {
sLoc = rpcd.getSourceLocation();
}
parent.addChild(new ProgramElement(asm, pcd.getName(), IProgramElement.Kind.POINTCUT, getBinarySourceLocation(
aspect, sLoc), pcd.getModifiers(), null, Collections.emptyList()));
}
}
}
private static void addChildNodes(AsmManager asm, ResolvedType aspect, IProgramElement parent, Collection children) {
int deCtr = 1;
int dwCtr = 1;
for (Object element: children) {
if (element instanceof DeclareErrorOrWarning) {
DeclareErrorOrWarning decl = (DeclareErrorOrWarning) element;
int counter = 0;
if (decl.isError()) {
counter = deCtr++;
} else {
counter = dwCtr++;
}
parent.addChild(createDeclareErrorOrWarningChild(asm, aspect, decl, counter));
} else if (element instanceof Advice) {
Advice advice = (Advice) element;
parent.addChild(createAdviceChild(asm, advice));
} else if (element instanceof DeclareParents) {
parent.addChild(createDeclareParentsChild(asm, (DeclareParents) element));
} else if (element instanceof BcelTypeMunger) {
IProgramElement newChild = createIntertypeDeclaredChild(asm, aspect, (BcelTypeMunger) element);
// newChild==null means it is something that could not be handled by createIntertypeDeclaredChild()
if (newChild != null) {
parent.addChild(newChild);
}
}
}
}
// private static IProgramElement
// createDeclareErrorOrWarningChild(AsmManager asm, ShadowMunger munger,
// DeclareErrorOrWarning decl, int count) {
// IProgramElement deowNode = new ProgramElement(asm, decl.getName(),
// decl.isError() ? IProgramElement.Kind.DECLARE_ERROR
// : IProgramElement.Kind.DECLARE_WARNING,
// munger.getBinarySourceLocation(decl.getSourceLocation()), decl
// .getDeclaringType().getModifiers(), null, null);
// deowNode.setDetails("\"" +
// AsmRelationshipUtils.genDeclareMessage(decl.getMessage()) + "\"");
// if (count != -1) {
// deowNode.setBytecodeName(decl.getName() + "_" + count);
// }
// return deowNode;
// }
private static IProgramElement createDeclareErrorOrWarningChild(AsmManager model, ResolvedType aspect,
DeclareErrorOrWarning decl, int count) {
IProgramElement deowNode = new ProgramElement(model, decl.getName(), decl.isError() ? IProgramElement.Kind.DECLARE_ERROR
: IProgramElement.Kind.DECLARE_WARNING, getBinarySourceLocation(aspect, decl.getSourceLocation()), decl
.getDeclaringType().getModifiers(), null, null);
deowNode.setDetails("\"" + AsmRelationshipUtils.genDeclareMessage(decl.getMessage()) + "\"");
if (count != -1) {
deowNode.setBytecodeName(decl.getName() + "_" + count);
}
return deowNode;
}
private static IProgramElement createAdviceChild(AsmManager model, Advice advice) {
IProgramElement adviceNode = new ProgramElement(model, advice.getKind().getName(), IProgramElement.Kind.ADVICE,
advice.getBinarySourceLocation(advice.getSourceLocation()), advice.getSignature().getModifiers(), null,
Collections.emptyList());
adviceNode.setDetails(AsmRelationshipUtils.genPointcutDetails(advice.getPointcut()));
adviceNode.setBytecodeName(advice.getSignature().getName());
return adviceNode;
}
/**
* Half baked implementation - will need completing if we go down this route rather than replacing it all for binary aspects.
* Doesn't attempt to get parameter names correct - they may have been lost during (de)serialization of the munger, but the
* member could still be located so they might be retrievable.
*/
private static IProgramElement createIntertypeDeclaredChild(AsmManager model, ResolvedType aspect, BcelTypeMunger itd) {
ResolvedTypeMunger rtMunger = itd.getMunger();
ResolvedMember sig = rtMunger.getSignature();
Kind kind = rtMunger.getKind();
if (kind == ResolvedTypeMunger.Field) { // ITD FIELD
// String name = rtMunger.getSignature().toString();
String name = sig.getDeclaringType().getClassName() + "." + sig.getName();
if (name.contains("$")) {
name = name.substring(name.indexOf("$") + 1);
}
IProgramElement pe = new ProgramElement(model, name, IProgramElement.Kind.INTER_TYPE_FIELD, getBinarySourceLocation(
aspect, itd.getSourceLocation()), rtMunger.getSignature().getModifiers(), null, Collections.emptyList());
pe.setCorrespondingType(sig.getReturnType().getName());
return pe;
} else if (kind == ResolvedTypeMunger.Method) { // ITD
// METHOD
String name = sig.getDeclaringType().getClassName() + "." + sig.getName();
if (name.contains("$")) {
name = name.substring(name.indexOf("$") + 1);
}
IProgramElement pe = new ProgramElement(model, name, IProgramElement.Kind.INTER_TYPE_METHOD, getBinarySourceLocation(
aspect, itd.getSourceLocation()), rtMunger.getSignature().getModifiers(), null, Collections.emptyList());
setParams(pe, sig);
return pe;
} else if (kind == ResolvedTypeMunger.Constructor) {
String name = sig.getDeclaringType().getClassName() + "." + sig.getDeclaringType().getClassName();
if (name.contains("$")) {
name = name.substring(name.indexOf("$") + 1);
}
IProgramElement pe = new ProgramElement(model, name, IProgramElement.Kind.INTER_TYPE_CONSTRUCTOR,
getBinarySourceLocation(aspect, itd.getSourceLocation()), rtMunger.getSignature().getModifiers(), null,
Collections.emptyList());
setParams(pe, sig);
return pe;
// } else if (kind == ResolvedTypeMunger.MethodDelegate2) {
// String name = sig.getDeclaringType().getClassName() + "." + sig.getName();
// if (name.indexOf("$") != -1) {
// name = name.substring(name.indexOf("$") + 1);
// }
// IProgramElement pe = new ProgramElement(model, name, IProgramElement.Kind.INTER_TYPE_METHOD, getBinarySourceLocation(
// aspect, itd.getSourceLocation()), rtMunger.getSignature().getModifiers(), null, Collections.EMPTY_LIST);
// setParams(pe, sig);
// return pe;
}
// other cases ignored for now
return null;
}
private static void setParams(IProgramElement pe, ResolvedMember sig) {
// do it for itds too
UnresolvedType[] ts = sig.getParameterTypes();
pe.setParameterNames(Collections.emptyList());
// TODO should be doing param names?
if (ts == null) {
pe.setParameterSignatures(Collections.emptyList(), Collections.emptyList());
} else {
List paramSigs = new ArrayList<>();
for (UnresolvedType t : ts) {
paramSigs.add(t.getSignature().toCharArray());
}
pe.setParameterSignatures(paramSigs, Collections.emptyList());
}
pe.setCorrespondingType(sig.getReturnType().getName());
}
private static IProgramElement createDeclareParentsChild(AsmManager model, DeclareParents decp) {
IProgramElement decpElement = new ProgramElement(model, "declare parents", IProgramElement.Kind.DECLARE_PARENTS,
getBinarySourceLocation(decp.getDeclaringType(), decp.getSourceLocation()), Modifier.PUBLIC, null,
Collections.emptyList());
setParentTypesOnDeclareParentsNode(decp, decpElement);
return decpElement;
}
private static void setParentTypesOnDeclareParentsNode(DeclareParents decp, IProgramElement decpElement) {
TypePatternList tpl = decp.getParents();
List parents = new ArrayList<>();
for (int i = 0; i < tpl.size(); i++) {
parents.add(tpl.get(i).getExactType().getName().replaceAll("\\$", "."));
}
decpElement.setParentTypes(parents);
}
public static String getHandle(AsmManager asm, Advice advice) {
if (null == advice.handle) {
ISourceLocation sl = advice.getSourceLocation();
if (sl != null) {
IProgramElement ipe = asm.getHierarchy().findElementForSourceLine(sl);
advice.handle = ipe.getHandleIdentifier();
}
}
return advice.handle;
}
public static void addAdvisedRelationship(AsmManager model, Shadow matchedShadow, ShadowMunger munger) {
if (model == null) {
return;
}
if (munger instanceof Advice) {
Advice advice = (Advice) munger;
if (advice.getKind().isPerEntry() || advice.getKind().isCflow()) {
// TODO: might want to show these in the future
return;
}
if (World.createInjarHierarchy) {
createHierarchyForBinaryAspect(model, advice);
}
IRelationshipMap mapper = model.getRelationshipMap();
IProgramElement targetNode = getNode(model, matchedShadow);
if (targetNode == null) {
return;
}
boolean runtimeTest = advice.hasDynamicTests();
IProgramElement.ExtraInformation extra = new IProgramElement.ExtraInformation();
String adviceHandle = getHandle(model, advice);
if (adviceHandle == null) {
return;
}
extra.setExtraAdviceInformation(advice.getKind().getName());
IProgramElement adviceElement = model.getHierarchy().findElementForHandle(adviceHandle);
if (adviceElement != null) {
adviceElement.setExtraInfo(extra);
}
String targetHandle = targetNode.getHandleIdentifier();
if (advice.getKind().equals(AdviceKind.Softener)) {
IRelationship foreward = mapper.get(adviceHandle, IRelationship.Kind.DECLARE_SOFT, SOFTENS, runtimeTest, true);
if (foreward != null) {
foreward.addTarget(targetHandle);
}
IRelationship back = mapper.get(targetHandle, IRelationship.Kind.DECLARE, SOFTENED_BY, runtimeTest, true);
if (back != null) {
back.addTarget(adviceHandle);
}
} else {
IRelationship foreward = mapper.get(adviceHandle, IRelationship.Kind.ADVICE, ADVISES, runtimeTest, true);
if (foreward != null) {
foreward.addTarget(targetHandle);
}
IRelationship back = mapper.get(targetHandle, IRelationship.Kind.ADVICE, ADVISED_BY, runtimeTest, true);
if (back != null) {
back.addTarget(adviceHandle);
}
}
if (adviceElement.getSourceLocation() != null) {
model.addAspectInEffectThisBuild(adviceElement.getSourceLocation().getSourceFile());
}
}
}
protected static IProgramElement getNode(AsmManager model, Shadow shadow) {
Member enclosingMember = shadow.getEnclosingCodeSignature();
// This variant will not be tricked by ITDs that would report they are
// in the target type already.
// This enables us to discover the ITD declaration (in the aspect) and
// advise it appropriately.
// Have to be smart here, for a code node within an ITD we want to
// lookup the declaration of the
// ITD in the aspect in order to add the code node at the right place -
// and not lookup the
// ITD as it applies in some target type. Due to the use of
// effectiveSignature we will find
// that shadow.getEnclosingCodeSignature() will return a member
// representing the ITD as it will
// appear in the target type. So here, we do an extra bit of analysis to
// make sure we
// do the right thing in the ITD case.
IProgramElement enclosingNode = null;
if (shadow instanceof BcelShadow) {
Member actualEnclosingMember = ((BcelShadow) shadow).getRealEnclosingCodeSignature();
if (actualEnclosingMember == null) {
enclosingNode = lookupMember(model.getHierarchy(), shadow.getEnclosingType(), enclosingMember);
} else {
UnresolvedType type = enclosingMember.getDeclaringType();
UnresolvedType actualType = actualEnclosingMember.getDeclaringType();
// if these are not the same, it is an ITD and we need to use
// the latter to lookup
if (type.equals(actualType)) {
enclosingNode = lookupMember(model.getHierarchy(), shadow.getEnclosingType(), enclosingMember);
} else {
enclosingNode = lookupMember(model.getHierarchy(), shadow.getEnclosingType(), actualEnclosingMember);
}
}
} else {
enclosingNode = lookupMember(model.getHierarchy(), shadow.getEnclosingType(), enclosingMember);
}
if (enclosingNode == null) {
Lint.Kind err = shadow.getIWorld().getLint().shadowNotInStructure;
if (err.isEnabled()) {
err.signal(shadow.toString(), shadow.getSourceLocation());
}
return null;
}
Member shadowSig = shadow.getSignature();
// pr235204
if (shadow.getKind() == Shadow.MethodCall || shadow.getKind() == Shadow.ConstructorCall
|| !shadowSig.equals(enclosingMember)) {
IProgramElement bodyNode = findOrCreateCodeNode(model, enclosingNode, shadowSig, shadow);
return bodyNode;
} else {
return enclosingNode;
}
}
private static boolean sourceLinesMatch(ISourceLocation location1, ISourceLocation location2) {
return (location1.getLine() == location2.getLine());
}
/**
* Finds or creates a code IProgramElement for the given shadow.
*
* The byteCodeName of the created node is set to 'shadowSig.getName() + "!" + counter', eg "println!3". The counter is the
* occurence count of children within the enclosingNode which have the same name. So, for example, if a method contains two
* System.out.println statements, the first one will have byteCodeName 'println!1' and the second will have byteCodeName
* 'println!2'. This is to ensure the two nodes have unique handles when the handles do not depend on sourcelocations.
*
* Currently the shadows are examined in the sequence they appear in the source file. This means that the counters are
* consistent over incremental builds. All aspects are compiled up front and any new aspect created will force a full build.
* Moreover, if the body of the enclosingShadow is changed, then the model for this is rebuilt from scratch.
*/
private static IProgramElement findOrCreateCodeNode(AsmManager asm, IProgramElement enclosingNode, Member shadowSig,
Shadow shadow) {
for (IProgramElement node : enclosingNode.getChildren()) {
int excl = node.getBytecodeName().lastIndexOf('!');
if (((excl != -1 && shadowSig.getName().equals(node.getBytecodeName().substring(0, excl))) || shadowSig.getName()
.equals(node.getBytecodeName()))
&& shadowSig.getSignature().equals(node.getBytecodeSignature())
&& sourceLinesMatch(node.getSourceLocation(), shadow.getSourceLocation())) {
return node;
}
}
ISourceLocation sl = shadow.getSourceLocation();
// XXX why not use shadow file? new SourceLocation(sl.getSourceFile(),
// sl.getLine()),
SourceLocation peLoc = new SourceLocation(enclosingNode.getSourceLocation().getSourceFile(), sl.getLine());
peLoc.setOffset(sl.getOffset());
IProgramElement peNode = new ProgramElement(asm, shadow.toString(), IProgramElement.Kind.CODE, peLoc, 0, null, null);
// check to see if the enclosing shadow already has children with the
// same name. If so we want to add a counter to the byteCodeName
// otherwise
// we wont get unique handles
int numberOfChildrenWithThisName = 0;
for (IProgramElement child: enclosingNode.getChildren()) {
if (child.getName().equals(shadow.toString())) {
numberOfChildrenWithThisName++;
}
}
peNode.setBytecodeName(shadowSig.getName() + "!" + String.valueOf(numberOfChildrenWithThisName + 1));
peNode.setBytecodeSignature(shadowSig.getSignature());
enclosingNode.addChild(peNode);
return peNode;
}
private static IProgramElement lookupMember(IHierarchy model, UnresolvedType declaringType, Member member) {
IProgramElement typeElement = model.findElementForType(declaringType.getPackageName(), declaringType.getClassName());
if (typeElement == null) {
return null;
}
for (IProgramElement element : typeElement.getChildren()) {
if (member.getName().equals(element.getBytecodeName()) && member.getSignature().equals(element.getBytecodeSignature())) {
return element;
}
}
// if we can't find the member, we'll just put it in the class
return typeElement;
}
/**
* Add a relationship for a matching declare annotation method or declare annotation constructor. Locating the method is a messy
* (for messy read 'fragile') bit of code that could break at any moment but it's working for my simple testcase.
*/
public static void addDeclareAnnotationMethodRelationship(ISourceLocation sourceLocation, String affectedTypeName,
ResolvedMember affectedMethod, AsmManager model) {
if (model == null) {
return;
}
String pkg = null;
String type = affectedTypeName;
int packageSeparator = affectedTypeName.lastIndexOf(".");
if (packageSeparator != -1) {
pkg = affectedTypeName.substring(0, packageSeparator);
type = affectedTypeName.substring(packageSeparator + 1);
}
IHierarchy hierarchy = model.getHierarchy();
IProgramElement typeElem = hierarchy.findElementForType(pkg, type);
if (typeElem == null) {
return;
}
if (!typeElem.getKind().isType()) {
throw new IllegalStateException("Did not find a type element, found a "+typeElem.getKind()+" element");
}
StringBuilder parmString = new StringBuilder("(");
UnresolvedType[] args = affectedMethod.getParameterTypes();
for (int i = 0; i < args.length; i++) {
parmString.append(args[i].getName());
if ((i + 1) < args.length) {
parmString.append(",");
}
}
parmString.append(")");
IProgramElement methodElem = null;
if (affectedMethod.getName().startsWith("")) {
// its a ctor
methodElem = hierarchy.findElementForSignature(typeElem, IProgramElement.Kind.CONSTRUCTOR, type + parmString);
if (methodElem == null && args.length == 0) {
methodElem = typeElem; // assume default ctor
}
} else {
// its a method
methodElem = hierarchy.findElementForSignature(typeElem, IProgramElement.Kind.METHOD, affectedMethod.getName()
+ parmString);
}
if (methodElem == null) {
return;
}
try {
String targetHandle = methodElem.getHandleIdentifier();
if (targetHandle == null) {
return;
}
IProgramElement sourceNode = hierarchy.findElementForSourceLine(sourceLocation);
String sourceHandle = sourceNode.getHandleIdentifier();
if (sourceHandle == null) {
return;
}
IRelationshipMap mapper = model.getRelationshipMap();
IRelationship foreward = mapper.get(sourceHandle, IRelationship.Kind.DECLARE_INTER_TYPE, ANNOTATES, false, true);
foreward.addTarget(targetHandle);
IRelationship back = mapper.get(targetHandle, IRelationship.Kind.DECLARE_INTER_TYPE, ANNOTATED_BY, false, true);
back.addTarget(sourceHandle);
} catch (Throwable t) { // I'm worried about that code above, this will
// make sure we don't explode if it plays up
t.printStackTrace(); // I know I know .. but I don't want to lose
// it!
}
}
/**
* Add a relationship for a matching declare ATfield. Locating the field is trickier than it might seem since we have no line
* number info for it, we have to dig through the structure model under the fields' type in order to locate it.
*/
public static void addDeclareAnnotationFieldRelationship(AsmManager model, ISourceLocation declareLocation,
String affectedTypeName, ResolvedMember affectedFieldName, boolean isRemove) {
if (model == null) {
return;
}
String pkg = null;
String type = affectedTypeName;
int packageSeparator = affectedTypeName.lastIndexOf(".");
if (packageSeparator != -1) {
pkg = affectedTypeName.substring(0, packageSeparator);
type = affectedTypeName.substring(packageSeparator + 1);
}
IHierarchy hierarchy = model.getHierarchy();
IProgramElement typeElem = hierarchy.findElementForType(pkg, type);
if (typeElem == null) {
return;
}
IProgramElement fieldElem = hierarchy.findElementForSignature(typeElem, IProgramElement.Kind.FIELD,
affectedFieldName.getName());
if (fieldElem == null) {
return;
}
String targetHandle = fieldElem.getHandleIdentifier();
if (targetHandle == null) {
return;
}
IProgramElement sourceNode = hierarchy.findElementForSourceLine(declareLocation);
String sourceHandle = sourceNode.getHandleIdentifier();
if (sourceHandle == null) {
return;
}
IRelationshipMap relmap = model.getRelationshipMap();
// if (isRemove) {
// IRelationship foreward = relmap.get(sourceHandle, IRelationship.Kind.DECLARE_INTER_TYPE, REMOVES_ANNOTATION, false,
// true);
// foreward.addTarget(targetHandle);
// IRelationship back = relmap
// .get(targetHandle, IRelationship.Kind.DECLARE_INTER_TYPE, ANNOTATION_REMOVED_BY, false, true);
// back.addTarget(sourceHandle);
// } else {
IRelationship foreward = relmap.get(sourceHandle, IRelationship.Kind.DECLARE_INTER_TYPE, ANNOTATES, false, true);
foreward.addTarget(targetHandle);
IRelationship back = relmap.get(targetHandle, IRelationship.Kind.DECLARE_INTER_TYPE, ANNOTATED_BY, false, true);
back.addTarget(sourceHandle);
// }
}
}