package com.google.code.vimsztool.omni;
import org.objectweb.asm.AnnotationVisitor;
import org.objectweb.asm.Attribute;
import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.FieldVisitor;
import org.objectweb.asm.Label;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Type;
import org.objectweb.asm.signature.SignatureReader;
import org.objectweb.asm.signature.SignatureVisitor;
import com.google.code.vimsztool.compiler.CompilerContext;
public class ClassMetaInfoReader implements AnnotationVisitor, SignatureVisitor, ClassVisitor,
FieldVisitor, MethodVisitor {
private ClassInfo classInfo;
private PackageInfo packageInfo;
public ClassMetaInfoReader(ClassInfo classInfo,CompilerContext ctx) {
this.classInfo = classInfo;
this.packageInfo = ctx.getPackageInfo();
}
public void visit(int version, int access, String name, String signature, String superName,
String[] interfaces) {
classInfo.setName(name.replace("/", "."));
if (superName != null) {
classInfo.setSuperName(superName.replace("/", "."));
}
if (interfaces != null) {
for (int i = 0; i < interfaces.length; i++) {
interfaces[i] = interfaces[i].replace("/", ".");
}
classInfo.setInterfaces(interfaces);
}
if (signature == null) {
if (superName != null) {
addInternalName(superName);
}
addInternalNames(interfaces);
} else {
addSignature(signature);
}
}
public void visitLineNumber(int lineNum, Label arg1) {
classInfo.addLineNum(lineNum);
}
public void visitCode() {
}
public AnnotationVisitor visitAnnotation(final String desc, final boolean visible) {
addDesc(desc);
return this;
}
public void visitAttribute(final Attribute attr) {
}
public FieldVisitor visitField(final int access, final String name, final String desc,
final String signature, final Object value) {
if (signature == null) {
addDesc(desc);
} else {
addTypeSignature(signature);
}
if (value instanceof Type) {
addType((Type) value);
}
return this;
}
public MethodVisitor visitMethod(final int access, final String name, final String desc,
final String signature, final String[] exceptions) {
if (signature == null) {
addMethodDesc(desc);
} else {
addSignature(signature);
}
addInternalNames(exceptions);
return this;
}
public void visitSource(final String source, final String debug) {
this.classInfo.setSourceName(source);
}
public void visitInnerClass(final String name, final String outerName, final String innerName,
final int access) {
this.classInfo.addInnerClass(name.replace("/", "."));
}
public void visitOuterClass(final String owner, final String name, final String desc) {
}
public AnnotationVisitor visitParameterAnnotation(final int parameter, final String desc,
final boolean visible) {
addDesc(desc);
return this;
}
public void visitTypeInsn(final int opcode, final String type) {
addType(Type.getObjectType(type));
}
public void visitFieldInsn(final int opcode, final String owner, final String name,
final String desc) {
addInternalName(owner);
addDesc(desc);
}
public void visitMethodInsn(final int opcode, final String owner, final String name,
final String desc) {
addInternalName(owner);
addMethodDesc(desc);
}
public void visitLdcInsn(final Object cst) {
if (cst instanceof Type) {
addType((Type) cst);
}
}
public void visitMultiANewArrayInsn(final String desc, final int dims) {
addDesc(desc);
}
public void visitLocalVariable(final String name, final String desc, final String signature,
final Label start, final Label end, final int index) {
addTypeSignature(signature);
}
public AnnotationVisitor visitAnnotationDefault() {
return this;
}
public void visitFrame(final int type, final int nLocal, final Object[] local,
final int nStack, final Object[] stack) {
}
public void visitInsn(final int opcode) {
}
public void visitIntInsn(final int opcode, final int operand) {
}
public void visitVarInsn(final int opcode, final int var) {
}
public void visitJumpInsn(final int opcode, final Label label) {
}
public void visitLabel(final Label label) {
}
public void visitIincInsn(final int var, final int increment) {
}
public void visitTableSwitchInsn(final int min, final int max, final Label dflt,
final Label[] labels) {
}
public void visitLookupSwitchInsn(final Label dflt, final int[] keys, final Label[] labels) {
}
public void visitTryCatchBlock(final Label start, final Label end, final Label handler,
final String type) {
if (type != null) {
addInternalName(type);
}
}
public void visitMaxs(final int maxStack, final int maxLocals) {
}
// AnnotationVisitor
public void visit(final String name, final Object value) {
if (value instanceof Type) {
addType((Type) value);
}
}
public void visitEnum(final String name, final String desc, final String value) {
addDesc(desc);
}
public AnnotationVisitor visitAnnotation(final String name, final String desc) {
addDesc(desc);
return this;
}
public AnnotationVisitor visitArray(final String name) {
return this;
}
// SignatureVisitor
String signatureClassName;
public void visitFormalTypeParameter(final String name) {
}
public SignatureVisitor visitClassBound() {
return this;
}
public SignatureVisitor visitInterfaceBound() {
return this;
}
public SignatureVisitor visitSuperclass() {
return this;
}
public SignatureVisitor visitInterface() {
return this;
}
public SignatureVisitor visitParameterType() {
return this;
}
public SignatureVisitor visitReturnType() {
return this;
}
public SignatureVisitor visitExceptionType() {
return this;
}
public void visitBaseType(final char descriptor) {
}
public void visitTypeVariable(final String name) {
}
public SignatureVisitor visitArrayType() {
return this;
}
public void visitClassType(final String name) {
signatureClassName = name;
addInternalName(name);
}
public void visitInnerClassType(final String name) {
signatureClassName = signatureClassName + "$" + name;
addInternalName(signatureClassName);
}
public void visitTypeArgument() {
}
public SignatureVisitor visitTypeArgument(final char wildcard) {
return this;
}
public void visitEnd() { }
private void addName(final String name) {
if (name == null) {
return;
}
String tmpClassName = name.replace("/", ".");
if (packageInfo.isClassInDst(tmpClassName)) {
classInfo.addDependent(tmpClassName);
}
}
private void addInternalName(final String name) {
addType(Type.getObjectType(name));
}
private void addInternalNames(final String[] names) {
for (int i = 0; names != null && i < names.length; i++) {
addInternalName(names[i]);
}
}
private void addDesc(final String desc) {
addType(Type.getType(desc));
}
private void addMethodDesc(final String desc) {
addType(Type.getReturnType(desc));
Type[] types = Type.getArgumentTypes(desc);
for (int i = 0; i < types.length; i++) {
addType(types[i]);
}
}
private void addType(final Type t) {
switch (t.getSort()) {
case Type.ARRAY:
addType(t.getElementType());
break;
case Type.OBJECT:
addName(t.getInternalName());
break;
}
}
private void addSignature(final String signature) {
if (signature != null) {
new SignatureReader(signature).accept(this);
}
}
private void addTypeSignature(final String signature) {
if (signature != null) {
new SignatureReader(signature).acceptType(this);
}
}
}