aclement 13 years ago
parent
commit
34959ca903

+ 112
- 0
org.aspectj.matcher/src/org/aspectj/weaver/patterns/AnyTypePattern.java View File

@@ -0,0 +1,112 @@
/* *******************************************************************
* Copyright (c) 2002, 2010 Palo Alto Research Center, Incorporated (PARC) and others.
* 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:
* PARC initial implementation
* ******************************************************************/
package org.aspectj.weaver.patterns;

import java.io.IOException;
import java.util.Map;

import org.aspectj.util.FuzzyBoolean;
import org.aspectj.weaver.CompressingDataOutputStream;
import org.aspectj.weaver.ResolvedType;
import org.aspectj.weaver.World;

public class AnyTypePattern extends TypePattern {

/**
* Constructor for EllipsisTypePattern.
*
* @param includeSubtypes
*/
public AnyTypePattern() {
super(false, false, new TypePatternList());
}

/*
* (non-Javadoc)
*
* @see org.aspectj.weaver.patterns.TypePattern#couldEverMatchSameTypesAs(org.aspectj.weaver.patterns.TypePattern)
*/
@Override
protected boolean couldEverMatchSameTypesAs(TypePattern other) {
return true;
}

/**
* @see org.aspectj.weaver.patterns.TypePattern#matchesExactly(IType)
*/
@Override
protected boolean matchesExactly(ResolvedType type) {
return true;
}

@Override
protected boolean matchesExactly(ResolvedType type, ResolvedType annotatedType) {
return true;
}

/**
* @see org.aspectj.weaver.patterns.TypePattern#matchesInstanceof(IType)
*/
@Override
public FuzzyBoolean matchesInstanceof(ResolvedType type) {
return FuzzyBoolean.YES;
}

@Override
public void write(CompressingDataOutputStream s) throws IOException {
s.writeByte(ANY_KEY);
}

/**
* @see org.aspectj.weaver.patterns.TypePattern#matches(IType, MatchKind)
*/
// public FuzzyBoolean matches(IType type, MatchKind kind) {
// return FuzzyBoolean.YES;
// }
/**
* @see org.aspectj.weaver.patterns.TypePattern#matchesSubtypes(IType)
*/
@Override
protected boolean matchesSubtypes(ResolvedType type) {
return true;
}

@Override
public boolean isStar() {
return true;
}

@Override
public String toString() {
return "*";
}

@Override
public boolean equals(Object obj) {
return (obj instanceof AnyTypePattern);
}

@Override
public int hashCode() {
return 37;
}

@Override
public Object accept(PatternNodeVisitor visitor, Object data) {
return visitor.visit(this, data);
}

@Override
public TypePattern parameterizeWith(Map arg0, World w) {
return this;
}
}

+ 142
- 0
org.aspectj.matcher/src/org/aspectj/weaver/patterns/AnyWithAnnotationTypePattern.java View File

@@ -0,0 +1,142 @@
/* *******************************************************************
* Copyright (c) 2002, 2010 Palo Alto Research Center, Incorporated (PARC) and others.
* 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:
* PARC initial implementation
* ******************************************************************/
package org.aspectj.weaver.patterns;

import java.io.IOException;
import java.lang.reflect.Modifier;
import java.util.Map;

import org.aspectj.bridge.MessageUtil;
import org.aspectj.util.FuzzyBoolean;
import org.aspectj.weaver.CompressingDataOutputStream;
import org.aspectj.weaver.ISourceContext;
import org.aspectj.weaver.ResolvedType;
import org.aspectj.weaver.VersionedDataInputStream;
import org.aspectj.weaver.WeaverMessages;
import org.aspectj.weaver.World;


/**
* This type represents a type pattern of '*' but with an annotation specified, e.g. '@Color *'
*/
public class AnyWithAnnotationTypePattern extends TypePattern {

public AnyWithAnnotationTypePattern(AnnotationTypePattern atp) {
super(false, false);
annotationPattern = atp;
}

@Override
public Object accept(PatternNodeVisitor visitor, Object data) {
return visitor.visit(this, data);
}

@Override
protected boolean couldEverMatchSameTypesAs(TypePattern other) {
return true;
}

@Override
protected boolean matchesExactly(ResolvedType type) {
annotationPattern.resolve(type.getWorld());
boolean b = false;
if (type.temporaryAnnotationTypes != null) {
b = annotationPattern.matches(type, type.temporaryAnnotationTypes).alwaysTrue();
} else {
b = annotationPattern.matches(type).alwaysTrue();
}
return b;
}

@Override
public TypePattern resolveBindings(IScope scope, Bindings bindings, boolean allowBinding, boolean requireExactType) {
if (requireExactType) {
scope.getWorld().getMessageHandler().handleMessage(
MessageUtil.error(WeaverMessages.format(WeaverMessages.WILDCARD_NOT_ALLOWED), getSourceLocation()));
return NO;
}
return super.resolveBindings(scope, bindings, allowBinding, requireExactType);
}

@Override
protected boolean matchesExactly(ResolvedType type, ResolvedType annotatedType) {
annotationPattern.resolve(type.getWorld());
return annotationPattern.matches(annotatedType).alwaysTrue();
}

@Override
public FuzzyBoolean matchesInstanceof(ResolvedType type) {
if (Modifier.isFinal(type.getModifiers())) {
return FuzzyBoolean.fromBoolean(matchesExactly(type));
}
return FuzzyBoolean.MAYBE;
}

@Override
public TypePattern parameterizeWith(Map typeVariableMap, World w) {
AnyWithAnnotationTypePattern ret = new AnyWithAnnotationTypePattern(this.annotationPattern.parameterizeWith(
typeVariableMap, w));
ret.copyLocationFrom(this);
return ret;
}

@Override
public void write(CompressingDataOutputStream s) throws IOException {
s.writeByte(TypePattern.ANY_WITH_ANNO);
annotationPattern.write(s);
writeLocation(s);
}

public static TypePattern read(VersionedDataInputStream s, ISourceContext c) throws IOException {
AnnotationTypePattern annPatt = AnnotationTypePattern.read(s, c);
AnyWithAnnotationTypePattern ret = new AnyWithAnnotationTypePattern(annPatt);
ret.readLocation(c, s);
return ret;
}

// public FuzzyBoolean matches(IType type, MatchKind kind) {
// return FuzzyBoolean.YES;
// }

@Override
protected boolean matchesSubtypes(ResolvedType type) {
return true;
}

@Override
public boolean isStar() {
return false;
}

@Override
public String toString() {
return "(" + annotationPattern + " *)";
}
public AnnotationTypePattern getAnnotationTypePattern() {
return annotationPattern;
}

@Override
public boolean equals(Object obj) {
if (!(obj instanceof AnyWithAnnotationTypePattern)) {
return false;
}
AnyWithAnnotationTypePattern awatp = (AnyWithAnnotationTypePattern) obj;
return (annotationPattern.equals(awatp.annotationPattern));
}

@Override
public int hashCode() {
return annotationPattern.hashCode();
}
}

+ 8
- 1
org.aspectj.matcher/src/org/aspectj/weaver/patterns/BindingTypePattern.java View File

@@ -1,5 +1,5 @@
/* *******************************************************************
* Copyright (c) 2002 Palo Alto Research Center, Incorporated (PARC).
* Copyright (c) 2002, 2010 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
@@ -8,6 +8,7 @@
*
* Contributors:
* PARC initial implementation
* Nieraj Singh
* ******************************************************************/

package org.aspectj.weaver.patterns;
@@ -25,6 +26,7 @@ import org.aspectj.weaver.World;

public class BindingTypePattern extends ExactTypePattern implements BindingPattern {
private int formalIndex;
private String bindingName;

public BindingTypePattern(UnresolvedType type, int index, boolean isVarArgs) {
super(type, false, isVarArgs);
@@ -33,11 +35,16 @@ public class BindingTypePattern extends ExactTypePattern implements BindingPatte

public BindingTypePattern(FormalBinding binding, boolean isVarArgs) {
this(binding.getType(), binding.getIndex(), isVarArgs);
this.bindingName = binding.getName();
}

public int getFormalIndex() {
return formalIndex;
}
public String getBindingName() {
return bindingName;
}

public boolean equals(Object other) {
if (!(other instanceof BindingTypePattern)) {

+ 109
- 0
org.aspectj.matcher/src/org/aspectj/weaver/patterns/EllipsisTypePattern.java View File

@@ -0,0 +1,109 @@
/* *******************************************************************
* Copyright (c) 2002, 2010 Contributors
* 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:
* PARC initial implementation
* ******************************************************************/
package org.aspectj.weaver.patterns;

import java.io.IOException;
import java.util.Map;

import org.aspectj.util.FuzzyBoolean;
import org.aspectj.weaver.CompressingDataOutputStream;
import org.aspectj.weaver.ResolvedType;
import org.aspectj.weaver.World;

public class EllipsisTypePattern extends TypePattern {

/**
* Constructor for EllipsisTypePattern.
*
* @param includeSubtypes
*/
public EllipsisTypePattern() {
super(false, false, new TypePatternList());
}

/*
* (non-Javadoc)
*
* @see org.aspectj.weaver.patterns.TypePattern#couldEverMatchSameTypesAs(org.aspectj.weaver.patterns.TypePattern)
*/
@Override
protected boolean couldEverMatchSameTypesAs(TypePattern other) {
return true;
}

/**
* @see org.aspectj.weaver.patterns.TypePattern#matchesExactly(IType)
*/
@Override
protected boolean matchesExactly(ResolvedType type) {
return false;
}

@Override
protected boolean matchesExactly(ResolvedType type, ResolvedType annotatedType) {
return false;
}

/**
* @see org.aspectj.weaver.patterns.TypePattern#matchesInstanceof(IType)
*/
@Override
public FuzzyBoolean matchesInstanceof(ResolvedType type) {
return FuzzyBoolean.NO;
}

@Override
public void write(CompressingDataOutputStream s) throws IOException {
s.writeByte(ELLIPSIS_KEY);
}

@Override
public boolean isEllipsis() {
return true;
}

@Override
public String toString() {
return "..";
}

/*
* (non-Javadoc)
*
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
return (obj instanceof EllipsisTypePattern);
}

/*
* (non-Javadoc)
*
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
return 17 * 37;
}

@Override
public Object accept(PatternNodeVisitor visitor, Object data) {
return visitor.visit(this, data);
}

@Override
public TypePattern parameterizeWith(Map typeVariableMap, World w) {
return this;
}

}

+ 5
- 0
org.aspectj.matcher/src/org/aspectj/weaver/patterns/HasMemberTypePattern.java View File

@@ -8,6 +8,7 @@
*
* Contributors:
* Adrian Colyer Initial implementation
* Nieraj Singh
* ******************************************************************/
package org.aspectj.weaver.patterns;

@@ -49,6 +50,10 @@ public class HasMemberTypePattern extends TypePattern {
return hasMethod(type);
}
}
public ISignaturePattern getSignaturePattern() {
return signaturePattern;
}

private final static String declareAtPrefix = "ajc$declare_at";


+ 117
- 0
org.aspectj.matcher/src/org/aspectj/weaver/patterns/NoTypePattern.java View File

@@ -0,0 +1,117 @@
/* *******************************************************************
* Copyright (c) 2002, 2010 Contributors
* 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:
* PARC initial implementation
* ******************************************************************/
package org.aspectj.weaver.patterns;

import java.io.IOException;
import java.util.Map;

import org.aspectj.util.FuzzyBoolean;
import org.aspectj.weaver.CompressingDataOutputStream;
import org.aspectj.weaver.ResolvedType;
import org.aspectj.weaver.World;

public class NoTypePattern extends TypePattern {

public NoTypePattern() {
super(false, false, new TypePatternList());
}

/*
* (non-Javadoc)
*
* @see org.aspectj.weaver.patterns.TypePattern#couldEverMatchSameTypesAs(org.aspectj.weaver.patterns.TypePattern)
*/
@Override
protected boolean couldEverMatchSameTypesAs(TypePattern other) {
return false;
}

/**
* @see org.aspectj.weaver.patterns.TypePattern#matchesExactly(IType)
*/
@Override
protected boolean matchesExactly(ResolvedType type) {
return false;
}

@Override
protected boolean matchesExactly(ResolvedType type, ResolvedType annotatedType) {
return false;
}

/**
* @see org.aspectj.weaver.patterns.TypePattern#matchesInstanceof(IType)
*/
@Override
public FuzzyBoolean matchesInstanceof(ResolvedType type) {
return FuzzyBoolean.NO;
}

@Override
public void write(CompressingDataOutputStream s) throws IOException {
s.writeByte(NO_KEY);
}

/**
* @see org.aspectj.weaver.patterns.TypePattern#matches(IType, MatchKind)
*/
// public FuzzyBoolean matches(IType type, MatchKind kind) {
// return FuzzyBoolean.YES;
// }
/**
* @see org.aspectj.weaver.patterns.TypePattern#matchesSubtypes(IType)
*/
@Override
protected boolean matchesSubtypes(ResolvedType type) {
return false;
}

@Override
public boolean isStar() {
return false;
}

@Override
public String toString() {
return "<nothing>";
}// FIXME AV - bad! toString() cannot be parsed back (not idempotent)

/*
* (non-Javadoc)
*
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
return (obj instanceof NoTypePattern);
}

/*
* (non-Javadoc)
*
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
return 17 * 37 * 37;
}

@Override
public Object accept(PatternNodeVisitor visitor, Object data) {
return visitor.visit(this, data);
}

@Override
public TypePattern parameterizeWith(Map arg0, World w) {
return this;
}
}

+ 8
- 0
org.aspectj.matcher/src/org/aspectj/weaver/patterns/TypeCategoryTypePattern.java View File

@@ -5,6 +5,10 @@
* 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:
* Andy Clement
* Nieraj Singh
* ******************************************************************/

package org.aspectj.weaver.patterns;
@@ -44,6 +48,10 @@ public class TypeCategoryTypePattern extends TypePattern {
super(false);
this.category = category;
}
public int getTypeCategory() {
return category;
}

@Override
protected boolean matchesExactly(ResolvedType type) {

+ 2
- 390
org.aspectj.matcher/src/org/aspectj/weaver/patterns/TypePattern.java View File

@@ -1,5 +1,5 @@
/* *******************************************************************
* Copyright (c) 2002 Palo Alto Research Center, Incorporated (PARC).
* Copyright (c) 2002, 2010 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
@@ -8,19 +8,18 @@
*
* Contributors:
* PARC initial implementation
* Nieraj Singh
* ******************************************************************/

package org.aspectj.weaver.patterns;

import java.io.IOException;
import java.lang.reflect.Modifier;
import java.util.Iterator;
import java.util.Map;

import org.aspectj.bridge.MessageUtil;
import org.aspectj.util.FuzzyBoolean;
import org.aspectj.weaver.BCException;
import org.aspectj.weaver.CompressingDataOutputStream;
import org.aspectj.weaver.ISourceContext;
import org.aspectj.weaver.IntMap;
import org.aspectj.weaver.ResolvedType;
@@ -357,392 +356,5 @@ public abstract class TypePattern extends PatternNode {

}

class EllipsisTypePattern extends TypePattern {

/**
* Constructor for EllipsisTypePattern.
*
* @param includeSubtypes
*/
public EllipsisTypePattern() {
super(false, false, new TypePatternList());
}

/*
* (non-Javadoc)
*
* @see org.aspectj.weaver.patterns.TypePattern#couldEverMatchSameTypesAs(org.aspectj.weaver.patterns.TypePattern)
*/
@Override
protected boolean couldEverMatchSameTypesAs(TypePattern other) {
return true;
}

/**
* @see org.aspectj.weaver.patterns.TypePattern#matchesExactly(IType)
*/
@Override
protected boolean matchesExactly(ResolvedType type) {
return false;
}

@Override
protected boolean matchesExactly(ResolvedType type, ResolvedType annotatedType) {
return false;
}

/**
* @see org.aspectj.weaver.patterns.TypePattern#matchesInstanceof(IType)
*/
@Override
public FuzzyBoolean matchesInstanceof(ResolvedType type) {
return FuzzyBoolean.NO;
}

@Override
public void write(CompressingDataOutputStream s) throws IOException {
s.writeByte(ELLIPSIS_KEY);
}

@Override
public boolean isEllipsis() {
return true;
}

@Override
public String toString() {
return "..";
}

/*
* (non-Javadoc)
*
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
return (obj instanceof EllipsisTypePattern);
}

/*
* (non-Javadoc)
*
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
return 17 * 37;
}

@Override
public Object accept(PatternNodeVisitor visitor, Object data) {
return visitor.visit(this, data);
}

@Override
public TypePattern parameterizeWith(Map typeVariableMap, World w) {
return this;
}

}

class AnyTypePattern extends TypePattern {

/**
* Constructor for EllipsisTypePattern.
*
* @param includeSubtypes
*/
public AnyTypePattern() {
super(false, false, new TypePatternList());
}

/*
* (non-Javadoc)
*
* @see org.aspectj.weaver.patterns.TypePattern#couldEverMatchSameTypesAs(org.aspectj.weaver.patterns.TypePattern)
*/
@Override
protected boolean couldEverMatchSameTypesAs(TypePattern other) {
return true;
}

/**
* @see org.aspectj.weaver.patterns.TypePattern#matchesExactly(IType)
*/
@Override
protected boolean matchesExactly(ResolvedType type) {
return true;
}

@Override
protected boolean matchesExactly(ResolvedType type, ResolvedType annotatedType) {
return true;
}

/**
* @see org.aspectj.weaver.patterns.TypePattern#matchesInstanceof(IType)
*/
@Override
public FuzzyBoolean matchesInstanceof(ResolvedType type) {
return FuzzyBoolean.YES;
}

@Override
public void write(CompressingDataOutputStream s) throws IOException {
s.writeByte(ANY_KEY);
}

/**
* @see org.aspectj.weaver.patterns.TypePattern#matches(IType, MatchKind)
*/
// public FuzzyBoolean matches(IType type, MatchKind kind) {
// return FuzzyBoolean.YES;
// }
/**
* @see org.aspectj.weaver.patterns.TypePattern#matchesSubtypes(IType)
*/
@Override
protected boolean matchesSubtypes(ResolvedType type) {
return true;
}

@Override
public boolean isStar() {
return true;
}

@Override
public String toString() {
return "*";
}

@Override
public boolean equals(Object obj) {
return (obj instanceof AnyTypePattern);
}

@Override
public int hashCode() {
return 37;
}

@Override
public Object accept(PatternNodeVisitor visitor, Object data) {
return visitor.visit(this, data);
}

@Override
public TypePattern parameterizeWith(Map arg0, World w) {
return this;
}
}

/**
* This type represents a type pattern of '*' but with an annotation specified, e.g. '@Color *'
*/
class AnyWithAnnotationTypePattern extends TypePattern {

public AnyWithAnnotationTypePattern(AnnotationTypePattern atp) {
super(false, false);
annotationPattern = atp;
}

@Override
public Object accept(PatternNodeVisitor visitor, Object data) {
return visitor.visit(this, data);
}

@Override
protected boolean couldEverMatchSameTypesAs(TypePattern other) {
return true;
}

@Override
protected boolean matchesExactly(ResolvedType type) {
annotationPattern.resolve(type.getWorld());
boolean b = false;
if (type.temporaryAnnotationTypes != null) {
b = annotationPattern.matches(type, type.temporaryAnnotationTypes).alwaysTrue();
} else {
b = annotationPattern.matches(type).alwaysTrue();
}
return b;
}

@Override
public TypePattern resolveBindings(IScope scope, Bindings bindings, boolean allowBinding, boolean requireExactType) {
if (requireExactType) {
scope.getWorld().getMessageHandler().handleMessage(
MessageUtil.error(WeaverMessages.format(WeaverMessages.WILDCARD_NOT_ALLOWED), getSourceLocation()));
return NO;
}
return super.resolveBindings(scope, bindings, allowBinding, requireExactType);
}

@Override
protected boolean matchesExactly(ResolvedType type, ResolvedType annotatedType) {
annotationPattern.resolve(type.getWorld());
return annotationPattern.matches(annotatedType).alwaysTrue();
}

@Override
public FuzzyBoolean matchesInstanceof(ResolvedType type) {
if (Modifier.isFinal(type.getModifiers())) {
return FuzzyBoolean.fromBoolean(matchesExactly(type));
}
return FuzzyBoolean.MAYBE;
}

@Override
public TypePattern parameterizeWith(Map typeVariableMap, World w) {
AnyWithAnnotationTypePattern ret = new AnyWithAnnotationTypePattern(this.annotationPattern.parameterizeWith(
typeVariableMap, w));
ret.copyLocationFrom(this);
return ret;
}

@Override
public void write(CompressingDataOutputStream s) throws IOException {
s.writeByte(TypePattern.ANY_WITH_ANNO);
annotationPattern.write(s);
writeLocation(s);
}

public static TypePattern read(VersionedDataInputStream s, ISourceContext c) throws IOException {
AnnotationTypePattern annPatt = AnnotationTypePattern.read(s, c);
AnyWithAnnotationTypePattern ret = new AnyWithAnnotationTypePattern(annPatt);
ret.readLocation(c, s);
return ret;
}

// public FuzzyBoolean matches(IType type, MatchKind kind) {
// return FuzzyBoolean.YES;
// }

@Override
protected boolean matchesSubtypes(ResolvedType type) {
return true;
}

@Override
public boolean isStar() {
return false;
}

@Override
public String toString() {
return "(" + annotationPattern + " *)";
}

@Override
public boolean equals(Object obj) {
if (!(obj instanceof AnyWithAnnotationTypePattern)) {
return false;
}
AnyWithAnnotationTypePattern awatp = (AnyWithAnnotationTypePattern) obj;
return (annotationPattern.equals(awatp.annotationPattern));
}

@Override
public int hashCode() {
return annotationPattern.hashCode();
}
}

class NoTypePattern extends TypePattern {

public NoTypePattern() {
super(false, false, new TypePatternList());
}

/*
* (non-Javadoc)
*
* @see org.aspectj.weaver.patterns.TypePattern#couldEverMatchSameTypesAs(org.aspectj.weaver.patterns.TypePattern)
*/
@Override
protected boolean couldEverMatchSameTypesAs(TypePattern other) {
return false;
}

/**
* @see org.aspectj.weaver.patterns.TypePattern#matchesExactly(IType)
*/
@Override
protected boolean matchesExactly(ResolvedType type) {
return false;
}

@Override
protected boolean matchesExactly(ResolvedType type, ResolvedType annotatedType) {
return false;
}

/**
* @see org.aspectj.weaver.patterns.TypePattern#matchesInstanceof(IType)
*/
@Override
public FuzzyBoolean matchesInstanceof(ResolvedType type) {
return FuzzyBoolean.NO;
}

@Override
public void write(CompressingDataOutputStream s) throws IOException {
s.writeByte(NO_KEY);
}

/**
* @see org.aspectj.weaver.patterns.TypePattern#matches(IType, MatchKind)
*/
// public FuzzyBoolean matches(IType type, MatchKind kind) {
// return FuzzyBoolean.YES;
// }
/**
* @see org.aspectj.weaver.patterns.TypePattern#matchesSubtypes(IType)
*/
@Override
protected boolean matchesSubtypes(ResolvedType type) {
return false;
}

@Override
public boolean isStar() {
return false;
}

@Override
public String toString() {
return "<nothing>";
}// FIXME AV - bad! toString() cannot be parsed back (not idempotent)

/*
* (non-Javadoc)
*
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
return (obj instanceof NoTypePattern);
}

/*
* (non-Javadoc)
*
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
return 17 * 37 * 37;
}

@Override
public Object accept(PatternNodeVisitor visitor, Object data) {
return visitor.visit(this, data);
}

@Override
public TypePattern parameterizeWith(Map arg0, World w) {
return this;
}
}

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