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/*
* Javassist, a Java-bytecode translator toolkit.
* Copyright (C) 1999- Shigeru Chiba. All Rights Reserved.
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. Alternatively, the contents of this file may be used under
* the terms of the GNU Lesser General Public License Version 2.1 or later,
* or the Apache License Version 2.0.
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*/
package javassist.bytecode;
import java.io.DataInputStream;
import java.io.IOException;
import java.util.Map;
import java.util.ArrayList;
import javassist.CtClass;
/**
* Signature_attribute.
*/
public class SignatureAttribute extends AttributeInfo {
/**
* The name of this attribute "Signature".
*/
public static final String tag = "Signature";
SignatureAttribute(ConstPool cp, int n, DataInputStream in)
throws IOException
{
super(cp, n, in);
}
/**
* Constructs a Signature attribute.
*
* @param cp a constant pool table.
* @param signature the signature represented by this attribute.
*/
public SignatureAttribute(ConstPool cp, String signature) {
super(cp, tag);
int index = cp.addUtf8Info(signature);
byte[] bvalue = new byte[2];
bvalue[0] = (byte)(index >>> 8);
bvalue[1] = (byte)index;
set(bvalue);
}
/**
* Returns the generic signature indicated by signature_index.
*
* @see #toClassSignature(String)
* @see #toMethodSignature(String)
* @see #toFieldSignature(String)
*/
public String getSignature() {
return getConstPool().getUtf8Info(ByteArray.readU16bit(get(), 0));
}
/**
* Sets signature_index to the index of the given generic signature,
* which is added to a constant pool.
*
* @param sig new signature.
* @since 3.11
*/
public void setSignature(String sig) {
int index = getConstPool().addUtf8Info(sig);
ByteArray.write16bit(index, info, 0);
}
/**
* Makes a copy. Class names are replaced according to the
* given Map object.
*
* @param newCp the constant pool table used by the new copy.
* @param classnames pairs of replaced and substituted
* class names.
*/
public AttributeInfo copy(ConstPool newCp, Map classnames) {
return new SignatureAttribute(newCp, getSignature());
}
void renameClass(String oldname, String newname) {
String sig = renameClass(getSignature(), oldname, newname);
setSignature(sig);
}
void renameClass(Map classnames) {
String sig = renameClass(getSignature(), classnames);
setSignature(sig);
}
static String renameClass(String desc, String oldname, String newname) {
Map map = new java.util.HashMap();
map.put(oldname, newname);
return renameClass(desc, map);
}
static String renameClass(String desc, Map map) {
if (map == null)
return desc;
StringBuilder newdesc = new StringBuilder();
int head = 0;
int i = 0;
for (;;) {
int j = desc.indexOf('L', i);
if (j < 0)
break;
StringBuilder nameBuf = new StringBuilder();
int k = j;
char c;
try {
while ((c = desc.charAt(++k)) != ';') {
nameBuf.append(c);
if (c == '<') {
while ((c = desc.charAt(++k)) != '>')
nameBuf.append(c);
nameBuf.append(c);
}
}
}
catch (IndexOutOfBoundsException e) { break; }
i = k + 1;
String name = nameBuf.toString();
String name2 = (String)map.get(name);
if (name2 != null) {
newdesc.append(desc.substring(head, j));
newdesc.append('L');
newdesc.append(name2);
newdesc.append(c);
head = i;
}
}
if (head == 0)
return desc;
else {
int len = desc.length();
if (head < len)
newdesc.append(desc.substring(head, len));
return newdesc.toString();
}
}
private static boolean isNamePart(int c) {
return c != ';' && c != '<';
}
static private class Cursor {
int position = 0;
int indexOf(String s, int ch) throws BadBytecode {
int i = s.indexOf(ch, position);
if (i < 0)
throw error(s);
else {
position = i + 1;
return i;
}
}
}
/**
* Class signature.
*/
public static class ClassSignature {
TypeParameter[] params;
ClassType superClass;
ClassType[] interfaces;
/**
* Constructs a class signature.
*
* @param params type parameters.
* @param superClass the super class.
* @param interfaces the interface types.
*/
public ClassSignature(TypeParameter[] params, ClassType superClass, ClassType[] interfaces) {
this.params = params == null ? new TypeParameter[0] : params;
this.superClass = superClass == null ? ClassType.OBJECT : superClass;
this.interfaces = interfaces == null ? new ClassType[0] : interfaces;
}
/**
* Constructs a class signature.
*
* @param p type parameters.
*/
public ClassSignature(TypeParameter[] p) {
this(p, null, null);
}
/**
* Returns the type parameters.
*
* @return a zero-length array if the type parameters are not specified.
*/
public TypeParameter[] getParameters() {
return params;
}
/**
* Returns the super class.
*/
public ClassType getSuperClass() { return superClass; }
/**
* Returns the super interfaces.
*
* @return a zero-length array if the super interfaces are not specified.
*/
public ClassType[] getInterfaces() { return interfaces; }
/**
* Returns the string representation.
*/
public String toString() {
StringBuffer sbuf = new StringBuffer();
TypeParameter.toString(sbuf, params);
sbuf.append(" extends ").append(superClass);
if (interfaces.length > 0) {
sbuf.append(" implements ");
Type.toString(sbuf, interfaces);
}
return sbuf.toString();
}
/**
* Returns the encoded string representing the method type signature.
*/
public String encode() {
StringBuffer sbuf = new StringBuffer();
if (params.length > 0) {
sbuf.append('<');
for (int i = 0; i < params.length; i++)
params[i].encode(sbuf);
sbuf.append('>');
}
superClass.encode(sbuf);
for (int i = 0; i < interfaces.length; i++)
interfaces[i].encode(sbuf);
return sbuf.toString();
}
}
/**
* Method type signature.
*/
public static class MethodSignature {
TypeParameter[] typeParams;
Type[] params;
Type retType;
ObjectType[] exceptions;
/**
* Constructs a method type signature. Any parameter can be null
* to represent void or nothing.
*
* @param tp type parameters.
* @param params parameter types.
* @param ret a return type, or null if the return type is void.
* @param ex exception types.
*/
public MethodSignature(TypeParameter[] tp, Type[] params, Type ret, ObjectType[] ex) {
typeParams = tp == null ? new TypeParameter[0] : tp;
this.params = params == null ? new Type[0] : params;
retType = ret == null ? new BaseType("void") : ret;
exceptions = ex == null ? new ObjectType[0] : ex;
}
/**
* Returns the formal type parameters.
*
* @return a zero-length array if the type parameters are not specified.
*/
public TypeParameter[] getTypeParameters() { return typeParams; }
/**
* Returns the types of the formal parameters.
*
* @return a zero-length array if no formal parameter is taken.
*/
public Type[] getParameterTypes() { return params; }
/**
* Returns the type of the returned value.
*/
public Type getReturnType() { return retType; }
/**
* Returns the types of the exceptions that may be thrown.
*
* @return a zero-length array if exceptions are never thrown or
* the exception types are not parameterized types or type variables.
*/
public ObjectType[] getExceptionTypes() { return exceptions; }
/**
* Returns the string representation.
*/
public String toString() {
StringBuffer sbuf = new StringBuffer();
TypeParameter.toString(sbuf, typeParams);
sbuf.append(" (");
Type.toString(sbuf, params);
sbuf.append(") ");
sbuf.append(retType);
if (exceptions.length > 0) {
sbuf.append(" throws ");
Type.toString(sbuf, exceptions);
}
return sbuf.toString();
}
/**
* Returns the encoded string representing the method type signature.
*/
public String encode() {
StringBuffer sbuf = new StringBuffer();
if (typeParams.length > 0) {
sbuf.append('<');
for (int i = 0; i < typeParams.length; i++)
typeParams[i].encode(sbuf);
sbuf.append('>');
}
sbuf.append('(');
for (int i = 0; i < params.length; i++)
params[i].encode(sbuf);
sbuf.append(')');
retType.encode(sbuf);
if (exceptions.length > 0)
for (int i = 0; i < exceptions.length; i++) {
sbuf.append('^');
exceptions[i].encode(sbuf);
}
return sbuf.toString();
}
}
/**
* Formal type parameters.
*
* @see TypeArgument
*/
public static class TypeParameter {
String name;
ObjectType superClass;
ObjectType[] superInterfaces;
TypeParameter(String sig, int nb, int ne, ObjectType sc, ObjectType[] si) {
name = sig.substring(nb, ne);
superClass = sc;
superInterfaces = si;
}
/**
* Constructs a TypeParameter representing a type parametre
* like <T extends ... >.
*
* @param name parameter name.
* @param superClass an upper bound class-type (or null).
* @param superInterfaces an upper bound interface-type (or null).
*/
public TypeParameter(String name, ObjectType superClass, ObjectType[] superInterfaces) {
this.name = name;
this.superClass = superClass;
if (superInterfaces == null)
this.superInterfaces = new ObjectType[0];
else
this.superInterfaces = superInterfaces;
}
/**
* Constructs a TypeParameter representing a type parameter
* like <T>.
*
* @param name parameter name.
*/
public TypeParameter(String name) {
this(name, null, null);
}
/**
* Returns the name of the type parameter.
*/
public String getName() {
return name;
}
/**
* Returns the class bound of this parameter.
*/
public ObjectType getClassBound() { return superClass; }
/**
* Returns the interface bound of this parameter.
*
* @return a zero-length array if the interface bound is not specified.
*/
public ObjectType[] getInterfaceBound() { return superInterfaces; }
/**
* Returns the string representation.
*/
public String toString() {
StringBuffer sbuf = new StringBuffer(getName());
if (superClass != null)
sbuf.append(" extends ").append(superClass.toString());
int len = superInterfaces.length;
if (len > 0) {
for (int i = 0; i < len; i++) {
if (i > 0 || superClass != null)
sbuf.append(" & ");
else
sbuf.append(" extends ");
sbuf.append(superInterfaces[i].toString());
}
}
return sbuf.toString();
}
static void toString(StringBuffer sbuf, TypeParameter[] tp) {
sbuf.append('<');
for (int i = 0; i < tp.length; i++) {
if (i > 0)
sbuf.append(", ");
sbuf.append(tp[i]);
}
sbuf.append('>');
}
void encode(StringBuffer sb) {
sb.append(name);
if (superClass == null)
sb.append(":Ljava/lang/Object;");
else {
sb.append(':');
superClass.encode(sb);
}
for (int i = 0; i < superInterfaces.length; i++) {
sb.append(':');
superInterfaces[i].encode(sb);
}
}
}
/**
* Type argument.
*
* @see TypeParameter
*/
public static class TypeArgument {
ObjectType arg;
char wildcard;
TypeArgument(ObjectType a, char w) {
arg = a;
wildcard = w;
}
/**
* Constructs a TypeArgument.
* A type argument is <String>, <int[]>,
* or a type variable <T>, etc.
*
* @param t a class type, an array type, or a type variable.
*/
public TypeArgument(ObjectType t) {
this(t, ' ');
}
/**
* Constructs a TypeArgument representing <?>.
*/
public TypeArgument() {
this(null, '*');
}
/**
* A factory method constructing a TypeArgument with an upper bound.
* It represents <? extends ... >
*
* @param t an upper bound type.
*/
public static TypeArgument subclassOf(ObjectType t) {
return new TypeArgument(t, '+');
}
/**
* A factory method constructing a TypeArgument with an lower bound.
* It represents <? super ... >
*
* @param t an lower bbound type.
*/
public static TypeArgument superOf(ObjectType t) {
return new TypeArgument(t, '-');
}
/**
* Returns the kind of this type argument.
*
* @return ' ' (not-wildcard), '*' (wildcard), '+' (wildcard with
* upper bound), or '-' (wildcard with lower bound).
*/
public char getKind() { return wildcard; }
/**
* Returns true if this type argument is a wildcard type
* such as ?, ? extends String, or ? super Integer.
*/
public boolean isWildcard() { return wildcard != ' '; }
/**
* Returns the type represented by this argument
* if the argument is not a wildcard type. Otherwise, this method
* returns the upper bound (if the kind is '+'),
* the lower bound (if the kind is '-'), or null (if the upper or lower
* bound is not specified).
*/
public ObjectType getType() { return arg; }
/**
* Returns the string representation.
*/
public String toString() {
if (wildcard == '*')
return "?";
String type = arg.toString();
if (wildcard == ' ')
return type;
else if (wildcard == '+')
return "? extends " + type;
else
return "? super " + type;
}
static void encode(StringBuffer sb, TypeArgument[] args) {
sb.append('<');
for (int i = 0; i < args.length; i++) {
TypeArgument ta = args[i];
if (ta.isWildcard())
sb.append(ta.wildcard);
if (ta.getType() != null)
ta.getType().encode(sb);
}
sb.append('>');
}
}
/**
* Primitive types and object types.
*/
public static abstract class Type {
abstract void encode(StringBuffer sb);
static void toString(StringBuffer sbuf, Type[] ts) {
for (int i = 0; i < ts.length; i++) {
if (i > 0)
sbuf.append(", ");
sbuf.append(ts[i]);
}
}
}
/**
* Primitive types.
*/
public static class BaseType extends Type {
char descriptor;
BaseType(char c) { descriptor = c; }
/**
* Constructs a BaseType.
*
* @param typeName void, int, ...
*/
public BaseType(String typeName) {
this(Descriptor.of(typeName).charAt(0));
}
/**
* Returns the descriptor representing this primitive type.
*
* @see javassist.bytecode.Descriptor
*/
public char getDescriptor() { return descriptor; }
/**
* Returns the CtClass representing this
* primitive type.
*/
public CtClass getCtlass() {
return Descriptor.toPrimitiveClass(descriptor);
}
/**
* Returns the string representation.
*/
public String toString() {
return Descriptor.toClassName(Character.toString(descriptor));
}
void encode(StringBuffer sb) {
sb.append(descriptor);
}
}
/**
* Class types, array types, and type variables.
* This class is also used for representing a field type.
*/
public static abstract class ObjectType extends Type {
/**
* Returns the encoded string representing the object type signature.
*/
public String encode() {
StringBuffer sb = new StringBuffer();
encode(sb);
return sb.toString();
}
}
/**
* Class types.
*/
public static class ClassType extends ObjectType {
String name;
TypeArgument[] arguments;
static ClassType make(String s, int b, int e,
TypeArgument[] targs, ClassType parent) {
if (parent == null)
return new ClassType(s, b, e, targs);
else
return new NestedClassType(s, b, e, targs, parent);
}
ClassType(String signature, int begin, int end, TypeArgument[] targs) {
name = signature.substring(begin, end).replace('/', '.');
arguments = targs;
}
/**
* A class type representing java.lang.Object.
*/
public static ClassType OBJECT = new ClassType("java.lang.Object", null);
/**
* Constructs a ClassType. It represents
* the name of a non-nested class.
*
* @param className a fully qualified class name.
* @param args type arguments or null.
*/
public ClassType(String className, TypeArgument[] args) {
name = className;
arguments = args;
}
/**
* Constructs a ClassType. It represents
* the name of a non-nested class.
*
* @param className a fully qualified class name.
*/
public ClassType(String className) {
this(className, null);
}
/**
* Returns the class name.
*/
public String getName() {
return name;
}
/**
* Returns the type arguments.
*
* @return null if no type arguments are given to this class.
*/
public TypeArgument[] getTypeArguments() { return arguments; }
/**
* If this class is a member of another class, returns the
* class in which this class is declared.
*
* @return null if this class is not a member of another class.
*/
public ClassType getDeclaringClass() { return null; }
/**
* Returns the string representation.
*/
public String toString() {
StringBuffer sbuf = new StringBuffer();
ClassType parent = getDeclaringClass();
if (parent != null)
sbuf.append(parent.toString()).append('.');
sbuf.append(name);
if (arguments != null) {
sbuf.append('<');
int n = arguments.length;
for (int i = 0; i < n; i++) {
if (i > 0)
sbuf.append(", ");
sbuf.append(arguments[i].toString());
}
sbuf.append('>');
}
return sbuf.toString();
}
void encode(StringBuffer sb) {
sb.append('L');
encode2(sb);
sb.append(';');
}
void encode2(StringBuffer sb) {
ClassType parent = getDeclaringClass();
if (parent != null) {
parent.encode2(sb);
sb.append('$');
}
sb.append(name.replace('.', '/'));
if (arguments != null)
TypeArgument.encode(sb, arguments);
}
}
/**
* Nested class types.
*/
public static class NestedClassType extends ClassType {
ClassType parent;
NestedClassType(String s, int b, int e,
TypeArgument[] targs, ClassType p) {
super(s, b, e, targs);
parent = p;
}
/**
* Constructs a NestedClassType.
*
* @param parent the class surrounding this class type.
* @param className a simple class name. It does not include
* a package name or a parent's class name.
* @param args type parameters or null.
*/
public NestedClassType(ClassType parent, String className, TypeArgument[] args) {
super(className, args);
this.parent = parent;
}
/**
* Returns the class that declares this nested class.
* This nested class is a member of that declaring class.
*/
public ClassType getDeclaringClass() { return parent; }
}
/**
* Array types.
*/
public static class ArrayType extends ObjectType {
int dim;
Type componentType;
/**
* Constructs an ArrayType.
*
* @param d dimension.
* @param comp the component type.
*/
public ArrayType(int d, Type comp) {
dim = d;
componentType = comp;
}
/**
* Returns the dimension of the array.
*/
public int getDimension() { return dim; }
/**
* Returns the component type.
*/
public Type getComponentType() {
return componentType;
}
/**
* Returns the string representation.
*/
public String toString() {
StringBuffer sbuf = new StringBuffer(componentType.toString());
for (int i = 0; i < dim; i++)
sbuf.append("[]");
return sbuf.toString();
}
void encode(StringBuffer sb) {
for (int i = 0; i < dim; i++)
sb.append('[');
componentType.encode(sb);
}
}
/**
* Type variables.
*/
public static class TypeVariable extends ObjectType {
String name;
TypeVariable(String sig, int begin, int end) {
name = sig.substring(begin, end);
}
/**
* Constructs a TypeVariable.
*
* @param name the name of a type variable.
*/
public TypeVariable(String name) {
this.name = name;
}
/**
* Returns the variable name.
*/
public String getName() {
return name;
}
/**
* Returns the string representation.
*/
public String toString() {
return name;
}
void encode(StringBuffer sb) {
sb.append('T').append(name).append(';');
}
}
/**
* Parses the given signature string as a class signature.
*
* @param sig the signature obtained from the SignatureAttribute
* of a ClassFile.
* @return a tree-like data structure representing a class signature. It provides
* convenient accessor methods.
* @throws BadBytecode thrown when a syntactical error is found.
* @see #getSignature()
* @since 3.5
*/
public static ClassSignature toClassSignature(String sig) throws BadBytecode {
try {
return parseSig(sig);
}
catch (IndexOutOfBoundsException e) {
throw error(sig);
}
}
/**
* Parses the given signature string as a method type signature.
*
* @param sig the signature obtained from the SignatureAttribute
* of a MethodInfo.
* @return @return a tree-like data structure representing a method signature. It provides
* convenient accessor methods.
* @throws BadBytecode thrown when a syntactical error is found.
* @see #getSignature()
* @since 3.5
*/
public static MethodSignature toMethodSignature(String sig) throws BadBytecode {
try {
return parseMethodSig(sig);
}
catch (IndexOutOfBoundsException e) {
throw error(sig);
}
}
/**
* Parses the given signature string as a field type signature.
*
* @param sig the signature string obtained from the SignatureAttribute
* of a FieldInfo.
* @return the field type signature.
* @throws BadBytecode thrown when a syntactical error is found.
* @see #getSignature()
* @since 3.5
*/
public static ObjectType toFieldSignature(String sig) throws BadBytecode {
try {
return parseObjectType(sig, new Cursor(), false);
}
catch (IndexOutOfBoundsException e) {
throw error(sig);
}
}
/**
* Parses the given signature string as a type signature.
* The type signature is either the field type signature or a base type
* descriptor including void type.
*
* @throws BadBytecode thrown when a syntactical error is found.
* @since 3.18
*/
public static Type toTypeSignature(String sig) throws BadBytecode {
try {
return parseType(sig, new Cursor());
}
catch (IndexOutOfBoundsException e) {
throw error(sig);
}
}
private static ClassSignature parseSig(String sig)
throws BadBytecode, IndexOutOfBoundsException
{
Cursor cur = new Cursor();
TypeParameter[] tp = parseTypeParams(sig, cur);
ClassType superClass = parseClassType(sig, cur);
int sigLen = sig.length();
ArrayList ifArray = new ArrayList();
while (cur.position < sigLen && sig.charAt(cur.position) == 'L')
ifArray.add(parseClassType(sig, cur));
ClassType[] ifs
= (ClassType[])ifArray.toArray(new ClassType[ifArray.size()]);
return new ClassSignature(tp, superClass, ifs);
}
private static MethodSignature parseMethodSig(String sig)
throws BadBytecode
{
Cursor cur = new Cursor();
TypeParameter[] tp = parseTypeParams(sig, cur);
if (sig.charAt(cur.position++) != '(')
throw error(sig);
ArrayList params = new ArrayList();
while (sig.charAt(cur.position) != ')') {
Type t = parseType(sig, cur);
params.add(t);
}
cur.position++;
Type ret = parseType(sig, cur);
int sigLen = sig.length();
ArrayList exceptions = new ArrayList();
while (cur.position < sigLen && sig.charAt(cur.position) == '^') {
cur.position++;
ObjectType t = parseObjectType(sig, cur, false);
if (t instanceof ArrayType)
throw error(sig);
exceptions.add(t);
}
Type[] p = (Type[])params.toArray(new Type[params.size()]);
ObjectType[] ex = (ObjectType[])exceptions.toArray(new ObjectType[exceptions.size()]);
return new MethodSignature(tp, p, ret, ex);
}
private static TypeParameter[] parseTypeParams(String sig, Cursor cur)
throws BadBytecode
{
ArrayList typeParam = new ArrayList();
if (sig.charAt(cur.position) == '<') {
cur.position++;
while (sig.charAt(cur.position) != '>') {
int nameBegin = cur.position;
int nameEnd = cur.indexOf(sig, ':');
ObjectType classBound = parseObjectType(sig, cur, true);
ArrayList ifBound = new ArrayList();
while (sig.charAt(cur.position) == ':') {
cur.position++;
ObjectType t = parseObjectType(sig, cur, false);
ifBound.add(t);
}
TypeParameter p = new TypeParameter(sig, nameBegin, nameEnd,
classBound, (ObjectType[])ifBound.toArray(new ObjectType[ifBound.size()]));
typeParam.add(p);
}
cur.position++;
}
return (TypeParameter[])typeParam.toArray(new TypeParameter[typeParam.size()]);
}
private static ObjectType parseObjectType(String sig, Cursor c, boolean dontThrow)
throws BadBytecode
{
int i;
int begin = c.position;
switch (sig.charAt(begin)) {
case 'L' :
return parseClassType2(sig, c, null);
case 'T' :
i = c.indexOf(sig, ';');
return new TypeVariable(sig, begin + 1, i);
case '[' :
return parseArray(sig, c);
default :
if (dontThrow)
return null;
else
throw error(sig);
}
}
private static ClassType parseClassType(String sig, Cursor c)
throws BadBytecode
{
if (sig.charAt(c.position) == 'L')
return parseClassType2(sig, c, null);
else
throw error(sig);
}
private static ClassType parseClassType2(String sig, Cursor c, ClassType parent)
throws BadBytecode
{
int start = ++c.position;
char t;
do {
t = sig.charAt(c.position++);
} while (t != '$' && t != '<' && t != ';');
int end = c.position - 1;
TypeArgument[] targs;
if (t == '<') {
targs = parseTypeArgs(sig, c);
t = sig.charAt(c.position++);
}
else
targs = null;
ClassType thisClass = ClassType.make(sig, start, end, targs, parent);
if (t == '$' || t == '.') {
c.position--;
return parseClassType2(sig, c, thisClass);
}
else
return thisClass;
}
private static TypeArgument[] parseTypeArgs(String sig, Cursor c) throws BadBytecode {
ArrayList args = new ArrayList();
char t;
while ((t = sig.charAt(c.position++)) != '>') {
TypeArgument ta;
if (t == '*' )
ta = new TypeArgument(null, '*');
else {
if (t != '+' && t != '-') {
t = ' ';
c.position--;
}
ta = new TypeArgument(parseObjectType(sig, c, false), t);
}
args.add(ta);
}
return (TypeArgument[])args.toArray(new TypeArgument[args.size()]);
}
private static ObjectType parseArray(String sig, Cursor c) throws BadBytecode {
int dim = 1;
while (sig.charAt(++c.position) == '[')
dim++;
return new ArrayType(dim, parseType(sig, c));
}
private static Type parseType(String sig, Cursor c) throws BadBytecode {
Type t = parseObjectType(sig, c, true);
if (t == null)
t = new BaseType(sig.charAt(c.position++));
return t;
}
private static BadBytecode error(String sig) {
return new BadBytecode("bad signature: " + sig);
}
}
