package org.rsbot.loader.script.adapter;
import org.rsbot.loader.asm.*;
import org.rsbot.loader.script.CodeReader;
import java.util.Map;
public class InsertCodeAdapter extends ClassAdapter {
private final String method_name;
private final String method_desc;
private final Map<Integer, byte[]> fragments;
private final int max_locals;
private final int max_stack;
public InsertCodeAdapter(
final ClassVisitor delegate,
final String method_name,
final String method_desc,
final Map<Integer, byte[]> fragments,
final int max_locals,
final int max_stack) {
super(delegate);
this.method_name = method_name;
this.method_desc = method_desc;
this.fragments = fragments;
this.max_locals = max_locals;
this.max_stack = max_stack;
}
@Override
public MethodVisitor visitMethod(
final int access,
final String name,
final String desc,
final String signature,
final String[] exceptions) {
final MethodVisitor mv = cv.visitMethod(access, name, desc, signature, exceptions);
if (name.equals(method_name) && desc.equals(method_desc)) {
return new MethodAdapter(mv, fragments, max_locals, max_stack);
}
return mv;
}
static class MethodAdapter implements MethodVisitor {
private final MethodVisitor mv;
private final Map<Integer, byte[]> fragments;
private final int max_locals;
private final int max_stack;
private int idx = 0;
MethodAdapter(
final MethodVisitor delegate,
final Map<Integer, byte[]> fragments,
final int max_locals,
final int max_stack) {
mv = delegate;
this.fragments = fragments;
this.max_locals = max_locals;
this.max_stack = max_stack;
}
public AnnotationVisitor visitAnnotationDefault() {
return mv.visitAnnotationDefault();
}
public AnnotationVisitor visitAnnotation(final String desc, final boolean visible) {
return mv.visitAnnotation(desc, visible);
}
public AnnotationVisitor visitParameterAnnotation(final int parameter, final String desc, final boolean visible) {
return mv.visitParameterAnnotation(parameter, desc, visible);
}
public void visitAttribute(final Attribute attr) {
mv.visitAttribute(attr);
}
public void visitCode() {
mv.visitCode();
}
public void visitFrame(final int type, final int nLocal, final Object[] local, final int nStack, final Object[] stack) {
}
public void visitInsn(final int opcode) {
checkFragments();
mv.visitInsn(opcode);
}
public void visitIntInsn(final int opcode, final int operand) {
checkFragments();
mv.visitIntInsn(opcode, operand);
}
public void visitVarInsn(final int opcode, final int var) {
checkFragments();
mv.visitVarInsn(opcode, var);
}
public void visitTypeInsn(final int opcode, final String type) {
checkFragments();
mv.visitTypeInsn(opcode, type);
}
public void visitFieldInsn(final int opcode, final String owner, final String name, final String desc) {
checkFragments();
mv.visitFieldInsn(opcode, owner, name, desc);
}
public void visitMethodInsn(final int opcode, final String owner, final String name, final String desc) {
checkFragments();
mv.visitMethodInsn(opcode, owner, name, desc);
}
public void visitJumpInsn(final int opcode, final Label label) {
checkFragments();
mv.visitJumpInsn(opcode, label);
}
public void visitLabel(final Label label) {
checkFragments();
mv.visitLabel(label);
}
public void visitLdcInsn(final Object cst) {
checkFragments();
mv.visitLdcInsn(cst);
}
public void visitIincInsn(final int var, final int increment) {
checkFragments();
mv.visitIincInsn(var, increment);
}
public void visitTableSwitchInsn(final int min, final int max, final Label dflt, final Label[] labels) {
checkFragments();
mv.visitTableSwitchInsn(min, max, dflt, labels);
}
public void visitLookupSwitchInsn(final Label dflt, final int[] keys, final Label[] labels) {
checkFragments();
mv.visitLookupSwitchInsn(dflt, keys, labels);
}
public void visitMultiANewArrayInsn(final String desc, final int dims) {
checkFragments();
mv.visitMultiANewArrayInsn(desc, dims);
}
public void visitTryCatchBlock(final Label start, final Label end, final Label handler, final String type) {
mv.visitTryCatchBlock(start, end, handler, type);
}
public void visitLocalVariable(final String name, final String desc, final String signature, final Label start, final Label end, final int index) {
mv.visitLocalVariable(name, desc, signature, start, end, index);
}
public void visitLineNumber(final int line, final Label start) {
}
public void visitMaxs(final int maxStack, final int maxLocals) {
if (max_stack == -1) {
mv.visitMaxs(maxStack, maxLocals);
} else {
mv.visitMaxs(max_stack, max_locals);
}
}
public void visitEnd() {
mv.visitEnd();
}
private void checkFragments() {
if (fragments.containsKey(++idx)) {
new CodeReader(fragments.get(idx)).accept(mv);
}
}
}
}