public static void renameMethodNode(
String originalParentName,
String originalMethodName,
String originalMethodDesc,
String newParent,
String newName,
String newDesc) {
for (ClassNode c : BytecodeViewer.getLoadedClasses()) {
for (Object o : c.methods.toArray()) {
MethodNode m = (MethodNode) o;
for (AbstractInsnNode i : m.instructions.toArray()) {
if (i instanceof MethodInsnNode) {
MethodInsnNode mi = (MethodInsnNode) i;
if (mi.owner.equals(originalParentName)
&& mi.name.equals(originalMethodName)
&& mi.desc.equals(originalMethodDesc)) {
if (newParent != null) mi.owner = newParent;
if (newName != null) mi.name = newName;
if (newDesc != null) mi.desc = newDesc;
}
} else {
// System.out.println(i.getOpcode()+":"+c.name+":"+m.name);
}
}
if (m.signature != null) {
if (newName != null) m.signature = m.signature.replace(originalMethodName, newName);
if (newParent != null) m.signature = m.signature.replace(originalParentName, newParent);
}
if (m.name.equals(originalMethodName)
&& m.desc.equals(originalMethodDesc)
&& c.name.equals(originalParentName)) {
if (newName != null) m.name = newName;
if (newDesc != null) m.desc = newDesc;
}
}
}
}
private void replaceObfuscatedMethodNames(AsmagicDiffVisitor dv) {
for (MethodNode mn : dv.newMethods) {
if (mn.visibleAnnotations != null) {
for (Object oan : mn.visibleAnnotations) {
AnnotationNode an = (AnnotationNode) oan;
if (an.desc.contains("AsmagicMethodReplace")) {
List<Object> vals = an.values;
String alias = null;
if (vals != null || vals.size() > 1) {
alias = (String) vals.get(1);
dv.methodsToReplace.put(alias, 1);
mn.name = alias;
}
}
}
}
}
}
void writeHeader() {
int access = 0;
if (statement != null) {
if (compiler.getScope().isDebugMode()) {
statement.setDynamicLocal(true);
}
switch (statement.getModifier()) {
case PRIVATE:
access += Opcodes.ACC_PRIVATE;
break;
case PROTECTED:
access += Opcodes.ACC_PROTECTED;
break;
case PUBLIC:
access += Opcodes.ACC_PUBLIC;
break;
}
if (statement.isStatic()) access += Opcodes.ACC_STATIC;
// if (statement.isAbstract()) access += Opcodes.ACC_ABSTRACT;
if (statement.isFinal()) access += Opcodes.ACC_FINAL;
node.access = access;
node.name =
clazz.isSystem() || entity == null
? statement.getName().getName()
: entity.getInternalName();
node.desc =
Type.getMethodDescriptor(
Type.getType(Memory.class),
Type.getType(Environment.class),
Type.getType(Memory[].class));
if (external) {
node.desc =
Type.getMethodDescriptor(
Type.getType(Memory.class),
Type.getType(Environment.class),
Type.getType(Memory[].class),
Type.getType(ArrayMemory.class));
}
}
if (statement != null) {
LabelNode label = labelStart = writeLabel(node, statement.getMeta().getStartLine());
if (!statement.isStatic()) addLocalVariable("~this", label, Object.class);
ExpressionStmtCompiler expressionCompiler = new ExpressionStmtCompiler(this, null);
addLocalVariable("~env", label, Environment.class); // Environment env
LocalVariable args = addLocalVariable("~args", label, Memory[].class); // Memory[] arguments
if (statement.isDynamicLocal()) {
if (external) addLocalVariable("~passedLocal", label, ArrayMemory.class);
LocalVariable local = addLocalVariable("~local", label, ArrayMemory.class);
if (external) {
expressionCompiler.writeVarLoad("~passedLocal");
expressionCompiler.writeSysStaticCall(
ArrayMemory.class, "valueOfRef", ArrayMemory.class, ArrayMemory.class);
expressionCompiler.setStackPeekAsImmutable();
expressionCompiler.writeVarStore(local, false, true);
} else {
expressionCompiler.writePushConstNull();
expressionCompiler.writeSysStaticCall(
ArrayMemory.class, "valueOfRef", ArrayMemory.class, ArrayMemory.class);
expressionCompiler.setStackPeekAsImmutable();
expressionCompiler.writeVarStore(local, false, true);
}
}
if (statement.getUses() != null && !statement.getUses().isEmpty()) {
int i = 0;
expressionCompiler.writeVarLoad("~this");
expressionCompiler.writeGetDynamic("uses", Memory[].class);
for (ArgumentStmtToken argument : statement.getUses()) {
LocalVariable local;
if (statement.isDynamicLocal()) {
expressionCompiler.writeDefineVariable(argument.getName());
local = getLocalVariable(argument.getName().getName());
} else {
local = addLocalVariable(argument.getName().getName(), label, Memory.class);
}
if (argument.isReference()) {
local.setReference(true);
statement.variable(argument.getName()).setUnstable(true);
}
expressionCompiler.writePushDup();
expressionCompiler.writePushGetFromArray(i, Memory.class);
if (statement.isDynamicLocal()) {
expressionCompiler.writeVarAssign(local, argument.getName(), false, false);
} else {
expressionCompiler.writeVarStore(local, false, false);
}
local.pushLevel();
i++;
}
expressionCompiler.writePopAll(1);
}
int i = 0;
for (ArgumentStmtToken argument : statement.getArguments()) {
if (argument.isReference()) {
statement.variable(argument.getName()).setReference(true).setUnstable(true);
}
LabelNode next = new LabelNode();
expressionCompiler.writeDefineVariable(argument.getName());
LocalVariable local = getLocalVariable(argument.getName().getName());
if (local != null) {
expressionCompiler.writeVarLoad(args);
expressionCompiler.writePushGetFromArray(i, Memory.class);
expressionCompiler.writeVarAssign(local, argument.getName(), true, false);
// if length <= i then undefined
node.instructions.add(new JumpInsnNode(Opcodes.IFNONNULL, next));
expressionCompiler.stackPop();
if (argument.getValue() == null) expressionCompiler.writePushNull();
else expressionCompiler.writeExpression(argument.getValue(), true, false);
expressionCompiler.writeVarAssign(local, argument.getName(), false, false);
node.instructions.add(next);
local.pushLevel();
}
i++;
}
} else {
LabelNode label = labelStart = writeLabel(node, clazz.statement.getMeta().getStartLine());
}
}