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/*******************************************************************************
* Copyright (c) 2014 Jeff Martin.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Public License v3.0
* which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/gpl.html
*
* Contributors:
* Jeff Martin - initial API and implementation
******************************************************************************/
package cuchaz.enigma.analysis;
import com.strobel.assembler.metadata.MemberReference;
import com.strobel.assembler.metadata.MethodDefinition;
import com.strobel.assembler.metadata.MethodReference;
import com.strobel.assembler.metadata.ParameterDefinition;
import com.strobel.assembler.metadata.TypeReference;
import com.strobel.decompiler.languages.TextLocation;
import com.strobel.decompiler.languages.java.ast.AstNode;
import com.strobel.decompiler.languages.java.ast.ConstructorDeclaration;
import com.strobel.decompiler.languages.java.ast.IdentifierExpression;
import com.strobel.decompiler.languages.java.ast.InvocationExpression;
import com.strobel.decompiler.languages.java.ast.Keys;
import com.strobel.decompiler.languages.java.ast.MemberReferenceExpression;
import com.strobel.decompiler.languages.java.ast.MethodDeclaration;
import com.strobel.decompiler.languages.java.ast.ObjectCreationExpression;
import com.strobel.decompiler.languages.java.ast.ParameterDeclaration;
import com.strobel.decompiler.languages.java.ast.SimpleType;
import com.strobel.decompiler.languages.java.ast.SuperReferenceExpression;
import com.strobel.decompiler.languages.java.ast.ThisReferenceExpression;
import cuchaz.enigma.mapping.ArgumentEntry;
import cuchaz.enigma.mapping.BehaviorEntry;
import cuchaz.enigma.mapping.ClassEntry;
import cuchaz.enigma.mapping.ConstructorEntry;
import cuchaz.enigma.mapping.FieldEntry;
import cuchaz.enigma.mapping.MethodEntry;
public class SourceIndexBehaviorVisitor extends SourceIndexVisitor {
private BehaviorEntry m_behaviorEntry;
public SourceIndexBehaviorVisitor(BehaviorEntry behaviorEntry) {
m_behaviorEntry = behaviorEntry;
}
@Override
public Void visitMethodDeclaration(MethodDeclaration node, SourceIndex index) {
return recurse(node, index);
}
@Override
public Void visitConstructorDeclaration(ConstructorDeclaration node, SourceIndex index) {
return recurse(node, index);
}
@Override
public Void visitInvocationExpression(InvocationExpression node, SourceIndex index) {
MemberReference ref = node.getUserData(Keys.MEMBER_REFERENCE);
// get the behavior entry
ClassEntry classEntry = new ClassEntry(ref.getDeclaringType().getInternalName());
BehaviorEntry behaviorEntry = null;
if (ref instanceof MethodReference) {
MethodReference methodRef = (MethodReference)ref;
if (methodRef.isConstructor()) {
behaviorEntry = new ConstructorEntry(classEntry, ref.getSignature());
} else if (methodRef.isTypeInitializer()) {
behaviorEntry = new ConstructorEntry(classEntry);
} else {
behaviorEntry = new MethodEntry(classEntry, ref.getName(), ref.getSignature());
}
}
if (behaviorEntry != null) {
// get the node for the token
AstNode tokenNode = null;
if (node.getTarget() instanceof MemberReferenceExpression) {
tokenNode = ((MemberReferenceExpression)node.getTarget()).getMemberNameToken();
} else if (node.getTarget() instanceof SuperReferenceExpression) {
tokenNode = node.getTarget();
} else if (node.getTarget() instanceof ThisReferenceExpression) {
tokenNode = node.getTarget();
}
if (tokenNode != null) {
index.addReference(tokenNode, behaviorEntry, m_behaviorEntry);
}
}
return recurse(node, index);
}
@Override
public Void visitMemberReferenceExpression(MemberReferenceExpression node, SourceIndex index) {
MemberReference ref = node.getUserData(Keys.MEMBER_REFERENCE);
if (ref != null) {
// make sure this is actually a field
if (ref.getSignature().indexOf('(') >= 0) {
throw new Error("Expected a field here! got " + ref);
}
ClassEntry classEntry = new ClassEntry(ref.getDeclaringType().getInternalName());
FieldEntry fieldEntry = new FieldEntry(classEntry, ref.getName());
index.addReference(node.getMemberNameToken(), fieldEntry, m_behaviorEntry);
}
return recurse(node, index);
}
@Override
public Void visitSimpleType(SimpleType node, SourceIndex index) {
TypeReference ref = node.getUserData(Keys.TYPE_REFERENCE);
if (node.getIdentifierToken().getStartLocation() != TextLocation.EMPTY) {
ClassEntry classEntry = new ClassEntry(ref.getInternalName());
index.addReference(node.getIdentifierToken(), classEntry, m_behaviorEntry);
}
return recurse(node, index);
}
@Override
public Void visitParameterDeclaration(ParameterDeclaration node, SourceIndex index) {
ParameterDefinition def = node.getUserData(Keys.PARAMETER_DEFINITION);
ClassEntry classEntry = new ClassEntry(def.getDeclaringType().getInternalName());
MethodDefinition methodDef = (MethodDefinition)def.getMethod();
BehaviorEntry behaviorEntry;
if (methodDef.isConstructor()) {
behaviorEntry = new ConstructorEntry(classEntry, methodDef.getSignature());
} else {
behaviorEntry = new MethodEntry(classEntry, methodDef.getName(), methodDef.getSignature());
}
ArgumentEntry argumentEntry = new ArgumentEntry(behaviorEntry, def.getPosition(), node.getName());
index.addDeclaration(node.getNameToken(), argumentEntry);
return recurse(node, index);
}
@Override
public Void visitIdentifierExpression(IdentifierExpression node, SourceIndex index) {
MemberReference ref = node.getUserData(Keys.MEMBER_REFERENCE);
if (ref != null) {
ClassEntry classEntry = new ClassEntry(ref.getDeclaringType().getInternalName());
FieldEntry fieldEntry = new FieldEntry(classEntry, ref.getName());
index.addReference(node.getIdentifierToken(), fieldEntry, m_behaviorEntry);
}
return recurse(node, index);
}
@Override
public Void visitObjectCreationExpression(ObjectCreationExpression node, SourceIndex index) {
MemberReference ref = node.getUserData(Keys.MEMBER_REFERENCE);
if (ref != null) {
ClassEntry classEntry = new ClassEntry(ref.getDeclaringType().getInternalName());
ConstructorEntry constructorEntry = new ConstructorEntry(classEntry, ref.getSignature());
if (node.getType() instanceof SimpleType) {
SimpleType simpleTypeNode = (SimpleType)node.getType();
index.addReference(simpleTypeNode.getIdentifierToken(), constructorEntry, m_behaviorEntry);
}
}
return recurse(node, index);
}
}
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