org.aspectj.runtime.reflect.Factory Maven / Gradle / Ivy
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/* *******************************************************************
* Copyright (c) 1999-2001 Xerox Corporation,
* 2002 Palo Alto Research Center, Incorporated (PARC).
* All rights reserved.
* This program and the accompanying materials are made available
* under the terms of the Eclipse Public License v1.0
* which accompanies this distribution and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Xerox/PARC initial implementation
* Alex Vasseur new factory methods for variants of JP
* Abraham Nevado new factory methods for collapsed SJPs
* ******************************************************************/
package org.aspectj.runtime.reflect;
import java.lang.reflect.Constructor;
import java.lang.reflect.Member;
import java.lang.reflect.Method;
import java.util.Hashtable;
import java.util.StringTokenizer;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.Signature;
import org.aspectj.lang.reflect.AdviceSignature;
import org.aspectj.lang.reflect.CatchClauseSignature;
import org.aspectj.lang.reflect.ConstructorSignature;
import org.aspectj.lang.reflect.FieldSignature;
import org.aspectj.lang.reflect.InitializerSignature;
import org.aspectj.lang.reflect.LockSignature;
import org.aspectj.lang.reflect.MethodSignature;
import org.aspectj.lang.reflect.SourceLocation;
import org.aspectj.lang.reflect.UnlockSignature;
public final class Factory {
Class lexicalClass;
ClassLoader lookupClassLoader;
String filename;
int count;
static Hashtable prims = new Hashtable();
static {
prims.put("void", Void.TYPE);
prims.put("boolean", Boolean.TYPE);
prims.put("byte", Byte.TYPE);
prims.put("char", Character.TYPE);
prims.put("short", Short.TYPE);
prims.put("int", Integer.TYPE);
prims.put("long", Long.TYPE);
prims.put("float", Float.TYPE);
prims.put("double", Double.TYPE);
}
static Class makeClass(String s, ClassLoader loader) {
if (s.equals("*"))
return null;
Class ret = (Class) prims.get(s);
if (ret != null)
return ret;
try {
/*
* The documentation of Class.forName explains why this is the right thing better than I could here.
*/
if (loader == null) {
return Class.forName(s);
} else {
// used to be 'return loader.loadClass(s)' but that didn't cause
// array types to be created and loaded correctly. (pr70404)
return Class.forName(s, false, loader);
}
} catch (ClassNotFoundException e) {
// System.out.println("null for: " + s);
// XXX there should be a better return value for this
return ClassNotFoundException.class;
}
}
public Factory(String filename, Class lexicalClass) {
// System.out.println("making
this.filename = filename;
this.lexicalClass = lexicalClass;
this.count = 0;
lookupClassLoader = lexicalClass.getClassLoader();
}
/**
* Create a signature and build a JoinPoint in one step. Prior to 1.6.10 this was done as a two step operation in the generated
* code but merging these methods in the runtime library enables the generated code to be shorter. Generating code that
* uses this method requires the weaver to be invoked with -Xset:targetRuntime1_6_10=true.
*
* @since 1.6.10
*/
public JoinPoint.StaticPart makeSJP(String kind, String modifiers, String methodName, String declaringType, String paramTypes,
String paramNames, String exceptionTypes, String returnType, int l) {
Signature sig = this.makeMethodSig(modifiers, methodName, declaringType, paramTypes, paramNames, exceptionTypes, returnType);
return new JoinPointImpl.StaticPartImpl(count++, kind, sig, makeSourceLoc(l, -1));
}
/**
* Create a signature and build a JoinPoint in one step. Prior to 1.6.10 this was done as a two step operation in the generated
* code but merging these methods in the runtime library enables the generated code to be shorter. Generating code that
* uses this method requires the weaver to be invoked with -Xset:targetRuntime1_6_10=true.
*
* This method differs from the previous one in that it includes no exceptionTypes parameter - it is an optimization for the
* case where there are no exceptions. The generated code won't build an empty string and will not pass it into here.
*
* @since 1.6.10
*/
public JoinPoint.StaticPart makeSJP(String kind, String modifiers, String methodName, String declaringType, String paramTypes,
String paramNames, String returnType, int l) {
Signature sig = this.makeMethodSig(modifiers, methodName, declaringType, paramTypes, paramNames, "", returnType);
return new JoinPointImpl.StaticPartImpl(count++, kind, sig, makeSourceLoc(l, -1));
}
public JoinPoint.StaticPart makeSJP(String kind, Signature sig, SourceLocation loc) {
return new JoinPointImpl.StaticPartImpl(count++, kind, sig, loc);
}
public JoinPoint.StaticPart makeSJP(String kind, Signature sig, int l, int c) {
return new JoinPointImpl.StaticPartImpl(count++, kind, sig, makeSourceLoc(l, c));
}
public JoinPoint.StaticPart makeSJP(String kind, Signature sig, int l) {
return new JoinPointImpl.StaticPartImpl(count++, kind, sig, makeSourceLoc(l, -1));
}
public JoinPoint.EnclosingStaticPart makeESJP(String kind, Signature sig, SourceLocation loc) {
return new JoinPointImpl.EnclosingStaticPartImpl(count++, kind, sig, loc);
}
public JoinPoint.EnclosingStaticPart makeESJP(String kind, Signature sig, int l, int c) {
return new JoinPointImpl.EnclosingStaticPartImpl(count++, kind, sig, makeSourceLoc(l, c));
}
public JoinPoint.EnclosingStaticPart makeESJP(String kind, Signature sig, int l) {
return new JoinPointImpl.EnclosingStaticPartImpl(count++, kind, sig, makeSourceLoc(l, -1));
}
public static JoinPoint.StaticPart makeEncSJP(Member member) {
Signature sig = null;
String kind = null;
if (member instanceof Method) {
Method method = (Method) member;
sig = new MethodSignatureImpl(method.getModifiers(), method.getName(), method.getDeclaringClass(), method
.getParameterTypes(), new String[method.getParameterTypes().length], method.getExceptionTypes(), method
.getReturnType());
kind = JoinPoint.METHOD_EXECUTION;
} else if (member instanceof Constructor) {
Constructor cons = (Constructor) member;
sig = new ConstructorSignatureImpl(cons.getModifiers(), cons.getDeclaringClass(), cons.getParameterTypes(),
new String[cons.getParameterTypes().length], cons.getExceptionTypes());
kind = JoinPoint.CONSTRUCTOR_EXECUTION;
} else {
throw new IllegalArgumentException("member must be either a method or constructor");
}
return new JoinPointImpl.EnclosingStaticPartImpl(-1, kind, sig, null);
}
private static Object[] NO_ARGS = new Object[0];
public static JoinPoint makeJP(JoinPoint.StaticPart staticPart, Object _this, Object target) {
return new JoinPointImpl(staticPart, _this, target, NO_ARGS);
}
public static JoinPoint makeJP(JoinPoint.StaticPart staticPart, Object _this, Object target, Object arg0) {
return new JoinPointImpl(staticPart, _this, target, new Object[] { arg0 });
}
public static JoinPoint makeJP(JoinPoint.StaticPart staticPart, Object _this, Object target, Object arg0, Object arg1) {
return new JoinPointImpl(staticPart, _this, target, new Object[] { arg0, arg1 });
}
public static JoinPoint makeJP(JoinPoint.StaticPart staticPart, Object _this, Object target, Object[] args) {
return new JoinPointImpl(staticPart, _this, target, args);
}
public MethodSignature makeMethodSig(String stringRep) {
MethodSignatureImpl ret = new MethodSignatureImpl(stringRep);
ret.setLookupClassLoader(lookupClassLoader);
return ret;
}
public MethodSignature makeMethodSig(String modifiers, String methodName, String declaringType, String paramTypes,
String paramNames, String exceptionTypes, String returnType) {
int modifiersAsInt = Integer.parseInt(modifiers, 16);
Class declaringTypeClass = makeClass(declaringType, lookupClassLoader);
StringTokenizer st = new StringTokenizer(paramTypes, ":");
int numParams = st.countTokens();
Class[] paramTypeClasses = new Class[numParams];
for (int i = 0; i < numParams; i++)
paramTypeClasses[i] = makeClass(st.nextToken(), lookupClassLoader);
st = new StringTokenizer(paramNames, ":");
numParams = st.countTokens();
String[] paramNamesArray = new String[numParams];
for (int i = 0; i < numParams; i++)
paramNamesArray[i] = st.nextToken();
st = new StringTokenizer(exceptionTypes, ":");
numParams = st.countTokens();
Class[] exceptionTypeClasses = new Class[numParams];
for (int i = 0; i < numParams; i++)
exceptionTypeClasses[i] = makeClass(st.nextToken(), lookupClassLoader);
Class returnTypeClass = makeClass(returnType, lookupClassLoader);
MethodSignatureImpl ret = new MethodSignatureImpl(modifiersAsInt, methodName, declaringTypeClass, paramTypeClasses,
paramNamesArray, exceptionTypeClasses, returnTypeClass);
return ret;
}
public MethodSignature makeMethodSig(int modifiers, String name, Class declaringType, Class[] parameterTypes,
String[] parameterNames, Class[] exceptionTypes, Class returnType) {
MethodSignatureImpl ret = new MethodSignatureImpl(modifiers, name, declaringType, parameterTypes, parameterNames,
exceptionTypes, returnType);
ret.setLookupClassLoader(lookupClassLoader);
return ret;
}
public ConstructorSignature makeConstructorSig(String stringRep) {
ConstructorSignatureImpl ret = new ConstructorSignatureImpl(stringRep);
ret.setLookupClassLoader(lookupClassLoader);
return ret;
}
public ConstructorSignature makeConstructorSig(String modifiers, String declaringType, String paramTypes, String paramNames,
String exceptionTypes) {
int modifiersAsInt = Integer.parseInt(modifiers, 16);
Class declaringTypeClass = makeClass(declaringType, lookupClassLoader);
StringTokenizer st = new StringTokenizer(paramTypes, ":");
int numParams = st.countTokens();
Class[] paramTypeClasses = new Class[numParams];
for (int i = 0; i < numParams; i++)
paramTypeClasses[i] = makeClass(st.nextToken(), lookupClassLoader);
st = new StringTokenizer(paramNames, ":");
numParams = st.countTokens();
String[] paramNamesArray = new String[numParams];
for (int i = 0; i < numParams; i++)
paramNamesArray[i] = st.nextToken();
st = new StringTokenizer(exceptionTypes, ":");
numParams = st.countTokens();
Class[] exceptionTypeClasses = new Class[numParams];
for (int i = 0; i < numParams; i++)
exceptionTypeClasses[i] = makeClass(st.nextToken(), lookupClassLoader);
ConstructorSignatureImpl ret = new ConstructorSignatureImpl(modifiersAsInt, declaringTypeClass, paramTypeClasses,
paramNamesArray, exceptionTypeClasses);
ret.setLookupClassLoader(lookupClassLoader);
return ret;
}
public ConstructorSignature makeConstructorSig(int modifiers, Class declaringType, Class[] parameterTypes,
String[] parameterNames, Class[] exceptionTypes) {
ConstructorSignatureImpl ret = new ConstructorSignatureImpl(modifiers, declaringType, parameterTypes, parameterNames,
exceptionTypes);
ret.setLookupClassLoader(lookupClassLoader);
return ret;
}
public FieldSignature makeFieldSig(String stringRep) {
FieldSignatureImpl ret = new FieldSignatureImpl(stringRep);
ret.setLookupClassLoader(lookupClassLoader);
return ret;
}
public FieldSignature makeFieldSig(String modifiers, String name, String declaringType, String fieldType) {
int modifiersAsInt = Integer.parseInt(modifiers, 16);
Class declaringTypeClass = makeClass(declaringType, lookupClassLoader);
Class fieldTypeClass = makeClass(fieldType, lookupClassLoader);
FieldSignatureImpl ret = new FieldSignatureImpl(modifiersAsInt, name, declaringTypeClass, fieldTypeClass);
ret.setLookupClassLoader(lookupClassLoader);
return ret;
}
public FieldSignature makeFieldSig(int modifiers, String name, Class declaringType, Class fieldType) {
FieldSignatureImpl ret = new FieldSignatureImpl(modifiers, name, declaringType, fieldType);
ret.setLookupClassLoader(lookupClassLoader);
return ret;
}
public AdviceSignature makeAdviceSig(String stringRep) {
AdviceSignatureImpl ret = new AdviceSignatureImpl(stringRep);
ret.setLookupClassLoader(lookupClassLoader);
return ret;
}
public AdviceSignature makeAdviceSig(String modifiers, String name, String declaringType, String paramTypes, String paramNames,
String exceptionTypes, String returnType) {
int modifiersAsInt = Integer.parseInt(modifiers, 16);
Class declaringTypeClass = makeClass(declaringType, lookupClassLoader);
StringTokenizer st = new StringTokenizer(paramTypes, ":");
int numParams = st.countTokens();
Class[] paramTypeClasses = new Class[numParams];
for (int i = 0; i < numParams; i++)
paramTypeClasses[i] = makeClass(st.nextToken(), lookupClassLoader);
st = new StringTokenizer(paramNames, ":");
numParams = st.countTokens();
String[] paramNamesArray = new String[numParams];
for (int i = 0; i < numParams; i++)
paramNamesArray[i] = st.nextToken();
st = new StringTokenizer(exceptionTypes, ":");
numParams = st.countTokens();
Class[] exceptionTypeClasses = new Class[numParams];
for (int i = 0; i < numParams; i++)
exceptionTypeClasses[i] = makeClass(st.nextToken(), lookupClassLoader);
;
Class returnTypeClass = makeClass(returnType, lookupClassLoader);
AdviceSignatureImpl ret = new AdviceSignatureImpl(modifiersAsInt, name, declaringTypeClass, paramTypeClasses,
paramNamesArray, exceptionTypeClasses, returnTypeClass);
ret.setLookupClassLoader(lookupClassLoader);
return ret;
}
public AdviceSignature makeAdviceSig(int modifiers, String name, Class declaringType, Class[] parameterTypes,
String[] parameterNames, Class[] exceptionTypes, Class returnType) {
AdviceSignatureImpl ret = new AdviceSignatureImpl(modifiers, name, declaringType, parameterTypes, parameterNames,
exceptionTypes, returnType);
ret.setLookupClassLoader(lookupClassLoader);
return ret;
}
public InitializerSignature makeInitializerSig(String stringRep) {
InitializerSignatureImpl ret = new InitializerSignatureImpl(stringRep);
ret.setLookupClassLoader(lookupClassLoader);
return ret;
}
public InitializerSignature makeInitializerSig(String modifiers, String declaringType) {
int modifiersAsInt = Integer.parseInt(modifiers, 16);
Class declaringTypeClass = makeClass(declaringType, lookupClassLoader);
InitializerSignatureImpl ret = new InitializerSignatureImpl(modifiersAsInt, declaringTypeClass);
ret.setLookupClassLoader(lookupClassLoader);
return ret;
}
public InitializerSignature makeInitializerSig(int modifiers, Class declaringType) {
InitializerSignatureImpl ret = new InitializerSignatureImpl(modifiers, declaringType);
ret.setLookupClassLoader(lookupClassLoader);
return ret;
}
public CatchClauseSignature makeCatchClauseSig(String stringRep) {
CatchClauseSignatureImpl ret = new CatchClauseSignatureImpl(stringRep);
ret.setLookupClassLoader(lookupClassLoader);
return ret;
}
public CatchClauseSignature makeCatchClauseSig(String declaringType, String parameterType, String parameterName) {
Class declaringTypeClass = makeClass(declaringType, lookupClassLoader);
StringTokenizer st = new StringTokenizer(parameterType, ":");
Class parameterTypeClass = makeClass(st.nextToken(), lookupClassLoader);
st = new StringTokenizer(parameterName, ":");
String parameterNameForReturn = st.nextToken();
CatchClauseSignatureImpl ret = new CatchClauseSignatureImpl(declaringTypeClass, parameterTypeClass, parameterNameForReturn);
ret.setLookupClassLoader(lookupClassLoader);
return ret;
}
public CatchClauseSignature makeCatchClauseSig(Class declaringType, Class parameterType, String parameterName) {
CatchClauseSignatureImpl ret = new CatchClauseSignatureImpl(declaringType, parameterType, parameterName);
ret.setLookupClassLoader(lookupClassLoader);
return ret;
}
public LockSignature makeLockSig(String stringRep) {
LockSignatureImpl ret = new LockSignatureImpl(stringRep);
ret.setLookupClassLoader(lookupClassLoader);
return ret;
}
public LockSignature makeLockSig() {
Class declaringTypeClass = makeClass("Ljava/lang/Object;", lookupClassLoader);
LockSignatureImpl ret = new LockSignatureImpl(declaringTypeClass);
ret.setLookupClassLoader(lookupClassLoader);
return ret;
}
public LockSignature makeLockSig(Class declaringType) {
LockSignatureImpl ret = new LockSignatureImpl(declaringType);
ret.setLookupClassLoader(lookupClassLoader);
return ret;
}
public UnlockSignature makeUnlockSig(String stringRep) {
UnlockSignatureImpl ret = new UnlockSignatureImpl(stringRep);
ret.setLookupClassLoader(lookupClassLoader);
return ret;
}
public UnlockSignature makeUnlockSig() {
Class declaringTypeClass = makeClass("Ljava/lang/Object;", lookupClassLoader);
UnlockSignatureImpl ret = new UnlockSignatureImpl(declaringTypeClass);
ret.setLookupClassLoader(lookupClassLoader);
return ret;
}
public UnlockSignature makeUnlockSig(Class declaringType) {
UnlockSignatureImpl ret = new UnlockSignatureImpl(declaringType);
ret.setLookupClassLoader(lookupClassLoader);
return ret;
}
public SourceLocation makeSourceLoc(int line, int col) {
return new SourceLocationImpl(lexicalClass, this.filename, line);
}
}