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/**
* Copyright 2007 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.tonicsystems.jarjar;
import org.objectweb.asm.*;
abstract class StringReader extends ClassVisitor
{
private int line = -1;
private String className;
public StringReader() {
super(Opcodes.ASM4);
}
abstract public void visitString(String className, String value, int line);
private void handleObject(Object value) {
if (value instanceof String)
visitString(className, (String)value, line);
}
@Override
public void visit(int version, int access, String name, String signature, String superName, String[] interfaces) {
className = name;
line = -1;
}
public FieldVisitor visitField(int access, String name, String desc, String signature, Object value) {
handleObject(value);
return new FieldVisitor(Opcodes.ASM4){
@Override
public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
return StringReader.this.visitAnnotation(desc, visible);
}
};
}
@Override
public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
return new AnnotationVisitor(Opcodes.ASM4) {
@Override
public void visit(String name, Object value) {
handleObject(value);
}
@Override
public void visitEnum(String name, String desc, String value) {
handleObject(value);
}
@Override
public AnnotationVisitor visitAnnotation(String name, String desc) {
return this;
}
};
}
@Override
public MethodVisitor visitMethod(int access, String name, String desc,
String signature, String[] exceptions) {
MethodVisitor mv = new MethodVisitor(Opcodes.ASM4){
@Override
public void visitLdcInsn(Object cst) {
handleObject(cst);
}
@Override
public void visitLineNumber(int line, Label start) {
StringReader.this.line = line;
}
@Override
public void visitInvokeDynamicInsn(String name, String desc,
Handle bsm, Object... bsmArgs) {
for (Object bsmArg : bsmArgs) handleObject(bsmArg);
}
@Override
public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
return StringReader.this.visitAnnotation(desc, visible);
}
@Override
public AnnotationVisitor visitParameterAnnotation(int parameter,
String desc, boolean visible) {
return StringReader.this.visitAnnotation(desc, visible);
}
};
return mv;
}
}
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