org.eclipse.jdt.core/search/org/eclipse/jdt/internal/core/search/matching/MethodPattern.java - gerrit/aspectj/org.aspectj.shadows - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2005 IBM Corporation 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:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.jdt.internal.core.search.matching;

 import java.io.IOException;

 import org.eclipse.jdt.core.*;
 import org.eclipse.jdt.core.compiler.CharOperation;
 import org.eclipse.jdt.core.search.SearchPattern;
 import org.eclipse.jdt.internal.core.index.*;
 import org.eclipse.jdt.internal.core.search.indexing.IIndexConstants;
 import org.eclipse.jdt.internal.core.util.Util;

 public class MethodPattern extends JavaSearchPattern implements IIndexConstants {

 protected boolean findDeclarations;
 protected boolean findReferences;

 public char[] selector;

 public char[] declaringQualification;
 public char[] declaringSimpleName;

 public char[] returnQualification;
 public char[] returnSimpleName;

 public char[][] parameterQualifications;
 public char[][] parameterSimpleNames;
 public int parameterCount;
 public int flags = 0;

 // extra reference info
 protected IType declaringType;

 // Signatures and arguments for generic search
 char[][] returnTypeSignatures;
 char[][][] returnTypeArguments;
 char[][][] parametersTypeSignatures;
 char[][][][] parametersTypeArguments;
 boolean methodParameters = false;
 char[][] methodArguments;

 protected static char[][] REF_CATEGORIES = { METHOD_REF };
 protected static char[][] REF_AND_DECL_CATEGORIES = { METHOD_REF, METHOD_DECL };
 protected static char[][] DECL_CATEGORIES = { METHOD_DECL };

 /**
  * Method entries are encoded as selector '/' Arity:
  * e.g. 'foo/0'
  */
 public static char[] createIndexKey(char[] selector, int argCount) {
 	char[] countChars = argCount < 10
 		? COUNTS[argCount]
 		: ("/" + String.valueOf(argCount)).toCharArray(); //$NON-NLS-1$
 	return CharOperation.concat(selector, countChars);
 }

 MethodPattern(int matchRule) {
 	super(METHOD_PATTERN, matchRule);
 }
 public MethodPattern(
 	boolean findDeclarations,
 	boolean findReferences,
 	char[] selector,
 	char[] declaringQualification,
 	char[] declaringSimpleName,
 	char[] returnQualification,
 	char[] returnSimpleName,
 	char[][] parameterQualifications,
 	char[][] parameterSimpleNames,
 	IType declaringType,
 	int matchRule) {

 	this(matchRule);

 	this.findDeclarations = findDeclarations;
 	this.findReferences = findReferences;

 	this.selector = isCaseSensitive() ? selector : CharOperation.toLowerCase(selector);
 	this.declaringQualification = isCaseSensitive() ? declaringQualification : CharOperation.toLowerCase(declaringQualification);
 	this.declaringSimpleName = isCaseSensitive() ? declaringSimpleName : CharOperation.toLowerCase(declaringSimpleName);
 	this.returnQualification = isCaseSensitive() ? returnQualification : CharOperation.toLowerCase(returnQualification);
 	this.returnSimpleName = isCaseSensitive() ? returnSimpleName : CharOperation.toLowerCase(returnSimpleName);
 	if (parameterSimpleNames != null) {
 		this.parameterCount = parameterSimpleNames.length;
 		this.parameterQualifications = new char[this.parameterCount][];
 		this.parameterSimpleNames = new char[this.parameterCount][];
 		for (int i = 0; i < this.parameterCount; i++) {
 			this.parameterQualifications[i] = isCaseSensitive() ? parameterQualifications[i] : CharOperation.toLowerCase(parameterQualifications[i]);
 			this.parameterSimpleNames[i] = isCaseSensitive() ? parameterSimpleNames[i] : CharOperation.toLowerCase(parameterSimpleNames[i]);
 		}
 	} else {
 		this.parameterCount = -1;
 	}
 	this.declaringType = declaringType;
 	((InternalSearchPattern)this).mustResolve = mustResolve();
 }
 /*
  * Instanciate a method pattern with signatures for generics search
  */
 public MethodPattern(
 	boolean findDeclarations,
 	boolean findReferences,
 	char[] selector,
 	char[] declaringQualification,
 	char[] declaringSimpleName,
 	char[] returnQualification,
 	char[] returnSimpleName,
 	String returnSignature,
 	char[][] parameterQualifications,
 	char[][] parameterSimpleNames,
 	String[] parameterSignatures,
 	IMethod method,
 	int matchRule) {

 	this(findDeclarations,
 		findReferences,
 		selector,
 		declaringQualification,
 		declaringSimpleName,
 		returnQualification,
 		returnSimpleName,
 		parameterQualifications,
 		parameterSimpleNames,
 		method.getDeclaringType(),
 		matchRule);

 	// Set flags
 	try {
 		this.flags = method.getFlags();
 	} catch (JavaModelException e) {
 		// do nothing
 	}

 	// Get unique key for parameterized constructors
 	String genericDeclaringTypeSignature = null;
 //	String genericSignature = null;
 	BindingKey key;
 	if (method.isResolved() && (key = new BindingKey(method.getKey())).isParameterizedType()) {
 		genericDeclaringTypeSignature = key.getDeclaringTypeSignature();
 	} else {
 		methodParameters = true;
 	}

 	// Store type signature and arguments for declaring type
 	if (genericDeclaringTypeSignature != null) {
 		this.typeSignatures = Util.splitTypeLevelsSignature(genericDeclaringTypeSignature);
 		setTypeArguments(Util.getAllTypeArguments(this.typeSignatures));
 	} else {
 		storeTypeSignaturesAndArguments(declaringType);
 	}

 	// Store type signatures and arguments for return type
 	if (returnSignature != null) {
 		returnTypeSignatures = Util.splitTypeLevelsSignature(returnSignature);
 		returnTypeArguments = Util.getAllTypeArguments(returnTypeSignatures);
 	}

 	// Store type signatures and arguments for method parameters type
 	if (parameterSignatures != null) {
 		int length = parameterSignatures.length;
 		if (length > 0) {
 			parametersTypeSignatures = new char[length][][];
 			parametersTypeArguments = new char[length][][][];
 			for (int i=0; i<length; i++) {
 				parametersTypeSignatures[i] = Util.splitTypeLevelsSignature(parameterSignatures[i]);
 				parametersTypeArguments[i] = Util.getAllTypeArguments(parametersTypeSignatures[i]);
 			}
 		}
 	}

 	// Store type signatures and arguments for method
 	methodArguments = extractMethodArguments(method);
 	if (hasMethodArguments())  ((InternalSearchPattern)this).mustResolve = true;
 }
 /*
  * Instanciate a method pattern with signatures for generics search
  */
 public MethodPattern(
 	boolean findDeclarations,
 	boolean findReferences,
 	char[] selector,
 	char[] declaringQualification,
 	char[] declaringSimpleName,
 	String declaringSignature,
 	char[] returnQualification,
 	char[] returnSimpleName,
 	String returnSignature,
 	char[][] parameterQualifications,
 	char[][] parameterSimpleNames,
 	String[] parameterSignatures,
 	char[][] arguments,
 	int matchRule) {

 	this(findDeclarations,
 		findReferences,
 		selector,
 		declaringQualification,
 		declaringSimpleName,
 		returnQualification,
 		returnSimpleName,
 		parameterQualifications,
 		parameterSimpleNames,
 		null,
 		matchRule);

 	// Store type signature and arguments for declaring type
 	if (declaringSignature != null) {
 		typeSignatures = Util.splitTypeLevelsSignature(declaringSignature);
 		setTypeArguments(Util.getAllTypeArguments(typeSignatures));
 	}

 	// Store type signatures and arguments for return type
 	if (returnSignature != null) {
 		returnTypeSignatures = Util.splitTypeLevelsSignature(returnSignature);
 		returnTypeArguments = Util.getAllTypeArguments(returnTypeSignatures);
 	}

 	// Store type signatures and arguments for method parameters type
 	if (parameterSignatures != null) {
 		int length = parameterSignatures.length;
 		if (length > 0) {
 			parametersTypeSignatures = new char[length][][];
 			parametersTypeArguments = new char[length][][][];
 			for (int i=0; i<length; i++) {
 				parametersTypeSignatures[i] = Util.splitTypeLevelsSignature(parameterSignatures[i]);
 				parametersTypeArguments[i] = Util.getAllTypeArguments(parametersTypeSignatures[i]);
 			}
 		}
 	}

 	// Store type signatures and arguments for method
 	methodArguments = arguments;
 	if (hasMethodArguments())  ((InternalSearchPattern)this).mustResolve = true;
 }
 public void decodeIndexKey(char[] key) {
 	int size = key.length;
 	int lastSeparatorIndex = CharOperation.lastIndexOf(SEPARATOR, key);

 	this.parameterCount = Integer.parseInt(new String(key, lastSeparatorIndex + 1, size - lastSeparatorIndex - 1));
 	this.selector = CharOperation.subarray(key, 0, lastSeparatorIndex);
 }
 public SearchPattern getBlankPattern() {
 	return new MethodPattern(R_EXACT_MATCH | R_CASE_SENSITIVE);
 }
 public char[][] getIndexCategories() {
 	if (this.findReferences)
 		return this.findDeclarations ? REF_AND_DECL_CATEGORIES : REF_CATEGORIES;
 	if (this.findDeclarations)
 		return DECL_CATEGORIES;
 	return CharOperation.NO_CHAR_CHAR;
 }
 boolean hasMethodArguments() {
 	return methodArguments != null && methodArguments.length > 0;
 }
 boolean hasMethodParameters() {
 	return methodParameters;
 }
 boolean isPolymorphicSearch() {
 	return this.findReferences;
 }
 public boolean matchesDecodedKey(SearchPattern decodedPattern) {
 	MethodPattern pattern = (MethodPattern) decodedPattern;

 	return (this.parameterCount == pattern.parameterCount || this.parameterCount == -1 || !shouldCountParameter())
 		&& matchesName(this.selector, pattern.selector);
 }
 /**
  * Returns whether a method declaration or message send must be resolved to
  * find out if this method pattern matches it.
  */
 protected boolean mustResolve() {
 	// declaring type
 	// If declaring type is specified - even with simple name - always resolves
 	if (declaringSimpleName != null || declaringQualification != null) return true;

 	// return type
 	// If return type is specified - even with simple name - always resolves
 	if (returnSimpleName != null || returnQualification != null) return true;

 	// parameter types
 	if (parameterSimpleNames != null)
 		for (int i = 0, max = parameterSimpleNames.length; i < max; i++)
 			if (parameterQualifications[i] != null) return true;
 	return false;
 }
 EntryResult[] queryIn(Index index) throws IOException {
 	char[] key = this.selector; // can be null
 	int matchRule = getMatchRule();

 	switch(getMatchMode()) {
 		case R_EXACT_MATCH :
 			if (shouldCountParameter() && this.selector != null && this.parameterCount >= 0)
 				key = createIndexKey(this.selector, this.parameterCount);
 			else // do a prefix query with the selector
 				matchRule = matchRule - R_EXACT_MATCH + R_PREFIX_MATCH;
 			break;
 		case R_PREFIX_MATCH :
 			// do a prefix query with the selector
 			break;
 		case R_PATTERN_MATCH :
 			if (shouldCountParameter() && this.parameterCount >= 0)
 				key = createIndexKey(this.selector == null ? ONE_STAR : this.selector, this.parameterCount);
 			else if (this.selector != null && this.selector[this.selector.length - 1] != '*')
 				key = CharOperation.concat(this.selector, ONE_STAR, SEPARATOR);
 			// else do a pattern query with just the selector
 			break;
 	}

 	return index.query(getIndexCategories(), key, matchRule); // match rule is irrelevant when the key is null
 }
 protected StringBuffer print(StringBuffer output) {
 	if (this.findDeclarations) {
 		output.append(this.findReferences
 			? "MethodCombinedPattern: " //$NON-NLS-1$
 			: "MethodDeclarationPattern: "); //$NON-NLS-1$
 	} else {
 		output.append("MethodReferencePattern: "); //$NON-NLS-1$
 	}
 	if (declaringQualification != null)
 		output.append(declaringQualification).append('.');
 	if (declaringSimpleName != null)
 		output.append(declaringSimpleName).append('.');
 	else if (declaringQualification != null)
 		output.append("*."); //$NON-NLS-1$

 	if (selector != null)
 		output.append(selector);
 	else
 		output.append("*"); //$NON-NLS-1$
 	output.append('(');
 	if (parameterSimpleNames == null) {
 		output.append("..."); //$NON-NLS-1$
 	} else {
 		for (int i = 0, max = parameterSimpleNames.length; i < max; i++) {
 			if (i > 0) output.append(", "); //$NON-NLS-1$
 			if (parameterQualifications[i] != null) output.append(parameterQualifications[i]).append('.');
 			if (parameterSimpleNames[i] == null) output.append('*'); else output.append(parameterSimpleNames[i]);
 		}
 	}
 	output.append(')');
 	if (returnQualification != null)
 		output.append(" --> ").append(returnQualification).append('.'); //$NON-NLS-1$
 	else if (returnSimpleName != null)
 		output.append(" --> "); //$NON-NLS-1$
 	if (returnSimpleName != null)
 		output.append(returnSimpleName);
 	else if (returnQualification != null)
 		output.append("*"); //$NON-NLS-1$
 	return super.print(output);
 }
 boolean shouldCountParameter() {
 	return (this.flags & Flags.AccStatic) == 0 && (this.flags & Flags.AccVarargs) == 0;
 }
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2005 IBM Corporation 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:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.jdt.internal.core.search.matching;

	import java.io.IOException;

	import org.eclipse.jdt.core.*;
	import org.eclipse.jdt.core.compiler.CharOperation;
	import org.eclipse.jdt.core.search.SearchPattern;
	import org.eclipse.jdt.internal.core.index.*;
	import org.eclipse.jdt.internal.core.search.indexing.IIndexConstants;
	import org.eclipse.jdt.internal.core.util.Util;

	public class MethodPattern extends JavaSearchPattern implements IIndexConstants {

	protected boolean findDeclarations;
	protected boolean findReferences;

	public char[] selector;

	public char[] declaringQualification;
	public char[] declaringSimpleName;

	public char[] returnQualification;
	public char[] returnSimpleName;

	public char[][] parameterQualifications;
	public char[][] parameterSimpleNames;
	public int parameterCount;
	public int flags = 0;

	// extra reference info
	protected IType declaringType;

	// Signatures and arguments for generic search
	char[][] returnTypeSignatures;
	char[][][] returnTypeArguments;
	char[][][] parametersTypeSignatures;
	char[][][][] parametersTypeArguments;
	boolean methodParameters = false;
	char[][] methodArguments;

	protected static char[][] REF_CATEGORIES = { METHOD_REF };
	protected static char[][] REF_AND_DECL_CATEGORIES = { METHOD_REF, METHOD_DECL };
	protected static char[][] DECL_CATEGORIES = { METHOD_DECL };

	/**
	* Method entries are encoded as selector '/' Arity:
	* e.g. 'foo/0'
	*/
	public static char[] createIndexKey(char[] selector, int argCount) {
	char[] countChars = argCount < 10
	? COUNTS[argCount]
	: ("/" + String.valueOf(argCount)).toCharArray(); //$NON-NLS-1$
	return CharOperation.concat(selector, countChars);
	}

	MethodPattern(int matchRule) {
	super(METHOD_PATTERN, matchRule);
	}
	public MethodPattern(
	boolean findDeclarations,
	boolean findReferences,
	char[] selector,
	char[] declaringQualification,
	char[] declaringSimpleName,
	char[] returnQualification,
	char[] returnSimpleName,
	char[][] parameterQualifications,
	char[][] parameterSimpleNames,
	IType declaringType,
	int matchRule) {

	this(matchRule);

	this.findDeclarations = findDeclarations;
	this.findReferences = findReferences;

	this.selector = isCaseSensitive() ? selector : CharOperation.toLowerCase(selector);
	this.declaringQualification = isCaseSensitive() ? declaringQualification : CharOperation.toLowerCase(declaringQualification);
	this.declaringSimpleName = isCaseSensitive() ? declaringSimpleName : CharOperation.toLowerCase(declaringSimpleName);
	this.returnQualification = isCaseSensitive() ? returnQualification : CharOperation.toLowerCase(returnQualification);
	this.returnSimpleName = isCaseSensitive() ? returnSimpleName : CharOperation.toLowerCase(returnSimpleName);
	if (parameterSimpleNames != null) {
	this.parameterCount = parameterSimpleNames.length;
	this.parameterQualifications = new char[this.parameterCount][];
	this.parameterSimpleNames = new char[this.parameterCount][];
	for (int i = 0; i < this.parameterCount; i++) {
	this.parameterQualifications[i] = isCaseSensitive() ? parameterQualifications[i] : CharOperation.toLowerCase(parameterQualifications[i]);
	this.parameterSimpleNames[i] = isCaseSensitive() ? parameterSimpleNames[i] : CharOperation.toLowerCase(parameterSimpleNames[i]);
	}
	} else {
	this.parameterCount = -1;
	}
	this.declaringType = declaringType;
	((InternalSearchPattern)this).mustResolve = mustResolve();
	}
	/*
	* Instanciate a method pattern with signatures for generics search
	*/
	public MethodPattern(
	boolean findDeclarations,
	boolean findReferences,
	char[] selector,
	char[] declaringQualification,
	char[] declaringSimpleName,
	char[] returnQualification,
	char[] returnSimpleName,
	String returnSignature,
	char[][] parameterQualifications,
	char[][] parameterSimpleNames,
	String[] parameterSignatures,
	IMethod method,
	int matchRule) {

	this(findDeclarations,
	findReferences,
	selector,
	declaringQualification,
	declaringSimpleName,
	returnQualification,
	returnSimpleName,
	parameterQualifications,
	parameterSimpleNames,
	method.getDeclaringType(),
	matchRule);

	// Set flags
	try {
	this.flags = method.getFlags();
	} catch (JavaModelException e) {
	// do nothing
	}

	// Get unique key for parameterized constructors
	String genericDeclaringTypeSignature = null;
	// String genericSignature = null;
	BindingKey key;
	if (method.isResolved() && (key = new BindingKey(method.getKey())).isParameterizedType()) {
	genericDeclaringTypeSignature = key.getDeclaringTypeSignature();
	} else {
	methodParameters = true;
	}

	// Store type signature and arguments for declaring type
	if (genericDeclaringTypeSignature != null) {
	this.typeSignatures = Util.splitTypeLevelsSignature(genericDeclaringTypeSignature);
	setTypeArguments(Util.getAllTypeArguments(this.typeSignatures));
	} else {
	storeTypeSignaturesAndArguments(declaringType);
	}

	// Store type signatures and arguments for return type
	if (returnSignature != null) {
	returnTypeSignatures = Util.splitTypeLevelsSignature(returnSignature);
	returnTypeArguments = Util.getAllTypeArguments(returnTypeSignatures);
	}

	// Store type signatures and arguments for method parameters type
	if (parameterSignatures != null) {
	int length = parameterSignatures.length;
	if (length > 0) {
	parametersTypeSignatures = new char[length][][];
	parametersTypeArguments = new char[length][][][];
	for (int i=0; i<length; i++) {
	parametersTypeSignatures[i] = Util.splitTypeLevelsSignature(parameterSignatures[i]);
	parametersTypeArguments[i] = Util.getAllTypeArguments(parametersTypeSignatures[i]);
	}
	}
	}

	// Store type signatures and arguments for method
	methodArguments = extractMethodArguments(method);
	if (hasMethodArguments()) ((InternalSearchPattern)this).mustResolve = true;
	}
	/*
	* Instanciate a method pattern with signatures for generics search
	*/
	public MethodPattern(
	boolean findDeclarations,
	boolean findReferences,
	char[] selector,
	char[] declaringQualification,
	char[] declaringSimpleName,
	String declaringSignature,
	char[] returnQualification,
	char[] returnSimpleName,
	String returnSignature,
	char[][] parameterQualifications,
	char[][] parameterSimpleNames,
	String[] parameterSignatures,
	char[][] arguments,
	int matchRule) {

	this(findDeclarations,
	findReferences,
	selector,
	declaringQualification,
	declaringSimpleName,
	returnQualification,
	returnSimpleName,
	parameterQualifications,
	parameterSimpleNames,
	null,
	matchRule);

	// Store type signature and arguments for declaring type
	if (declaringSignature != null) {
	typeSignatures = Util.splitTypeLevelsSignature(declaringSignature);
	setTypeArguments(Util.getAllTypeArguments(typeSignatures));
	}

	// Store type signatures and arguments for return type
	if (returnSignature != null) {
	returnTypeSignatures = Util.splitTypeLevelsSignature(returnSignature);
	returnTypeArguments = Util.getAllTypeArguments(returnTypeSignatures);
	}

	// Store type signatures and arguments for method parameters type
	if (parameterSignatures != null) {
	int length = parameterSignatures.length;
	if (length > 0) {
	parametersTypeSignatures = new char[length][][];
	parametersTypeArguments = new char[length][][][];
	for (int i=0; i<length; i++) {
	parametersTypeSignatures[i] = Util.splitTypeLevelsSignature(parameterSignatures[i]);
	parametersTypeArguments[i] = Util.getAllTypeArguments(parametersTypeSignatures[i]);
	}
	}
	}

	// Store type signatures and arguments for method
	methodArguments = arguments;
	if (hasMethodArguments()) ((InternalSearchPattern)this).mustResolve = true;
	}
	public void decodeIndexKey(char[] key) {
	int size = key.length;
	int lastSeparatorIndex = CharOperation.lastIndexOf(SEPARATOR, key);

	this.parameterCount = Integer.parseInt(new String(key, lastSeparatorIndex + 1, size - lastSeparatorIndex - 1));
	this.selector = CharOperation.subarray(key, 0, lastSeparatorIndex);
	}
	public SearchPattern getBlankPattern() {
	return new MethodPattern(R_EXACT_MATCH \| R_CASE_SENSITIVE);
	}
	public char[][] getIndexCategories() {
	if (this.findReferences)
	return this.findDeclarations ? REF_AND_DECL_CATEGORIES : REF_CATEGORIES;
	if (this.findDeclarations)
	return DECL_CATEGORIES;
	return CharOperation.NO_CHAR_CHAR;
	}
	boolean hasMethodArguments() {
	return methodArguments != null && methodArguments.length > 0;
	}
	boolean hasMethodParameters() {
	return methodParameters;
	}
	boolean isPolymorphicSearch() {
	return this.findReferences;
	}
	public boolean matchesDecodedKey(SearchPattern decodedPattern) {
	MethodPattern pattern = (MethodPattern) decodedPattern;

	return (this.parameterCount == pattern.parameterCount \|\| this.parameterCount == -1 \|\| !shouldCountParameter())
	&& matchesName(this.selector, pattern.selector);
	}
	/**
	* Returns whether a method declaration or message send must be resolved to
	* find out if this method pattern matches it.
	*/
	protected boolean mustResolve() {
	// declaring type
	// If declaring type is specified - even with simple name - always resolves
	if (declaringSimpleName != null \|\| declaringQualification != null) return true;

	// return type
	// If return type is specified - even with simple name - always resolves
	if (returnSimpleName != null \|\| returnQualification != null) return true;

	// parameter types
	if (parameterSimpleNames != null)
	for (int i = 0, max = parameterSimpleNames.length; i < max; i++)
	if (parameterQualifications[i] != null) return true;
	return false;
	}
	EntryResult[] queryIn(Index index) throws IOException {
	char[] key = this.selector; // can be null
	int matchRule = getMatchRule();

	switch(getMatchMode()) {
	case R_EXACT_MATCH :
	if (shouldCountParameter() && this.selector != null && this.parameterCount >= 0)
	key = createIndexKey(this.selector, this.parameterCount);
	else // do a prefix query with the selector
	matchRule = matchRule - R_EXACT_MATCH + R_PREFIX_MATCH;
	break;
	case R_PREFIX_MATCH :
	// do a prefix query with the selector
	break;
	case R_PATTERN_MATCH :
	if (shouldCountParameter() && this.parameterCount >= 0)
	key = createIndexKey(this.selector == null ? ONE_STAR : this.selector, this.parameterCount);
	else if (this.selector != null && this.selector[this.selector.length - 1] != '*')
	key = CharOperation.concat(this.selector, ONE_STAR, SEPARATOR);
	// else do a pattern query with just the selector
	break;
	}

	return index.query(getIndexCategories(), key, matchRule); // match rule is irrelevant when the key is null
	}
	protected StringBuffer print(StringBuffer output) {
	if (this.findDeclarations) {
	output.append(this.findReferences
	? "MethodCombinedPattern: " //$NON-NLS-1$
	: "MethodDeclarationPattern: "); //$NON-NLS-1$
	} else {
	output.append("MethodReferencePattern: "); //$NON-NLS-1$
	}
	if (declaringQualification != null)
	output.append(declaringQualification).append('.');
	if (declaringSimpleName != null)
	output.append(declaringSimpleName).append('.');
	else if (declaringQualification != null)
	output.append("*."); //$NON-NLS-1$

	if (selector != null)
	output.append(selector);
	else
	output.append("*"); //$NON-NLS-1$
	output.append('(');
	if (parameterSimpleNames == null) {
	output.append("..."); //$NON-NLS-1$
	} else {
	for (int i = 0, max = parameterSimpleNames.length; i < max; i++) {
	if (i > 0) output.append(", "); //$NON-NLS-1$
	if (parameterQualifications[i] != null) output.append(parameterQualifications[i]).append('.');
	if (parameterSimpleNames[i] == null) output.append('*'); else output.append(parameterSimpleNames[i]);
	}
	}
	output.append(')');
	if (returnQualification != null)
	output.append(" --> ").append(returnQualification).append('.'); //$NON-NLS-1$
	else if (returnSimpleName != null)
	output.append(" --> "); //$NON-NLS-1$
	if (returnSimpleName != null)
	output.append(returnSimpleName);
	else if (returnQualification != null)
	output.append("*"); //$NON-NLS-1$
	return super.print(output);
	}
	boolean shouldCountParameter() {
	return (this.flags & Flags.AccStatic) == 0 && (this.flags & Flags.AccVarargs) == 0;
	}
	}