/*******************************************************************************
* Copyright (c) 2004, 2011 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
* Andreas Magnusson <andreas.ch.magnusson@gmail.com>- contribution for bug 151500
*******************************************************************************/
package org.eclipse.che.ide.ext.java.jdt.internal.codeassist;
import org.eclipse.che.ide.ext.java.jdt.core.CompletionContext;
import org.eclipse.che.ide.ext.java.jdt.core.CompletionFlags;
import org.eclipse.che.ide.ext.java.jdt.core.CompletionProposal;
import org.eclipse.che.ide.ext.java.jdt.core.CompletionRequestor;
import org.eclipse.che.ide.ext.java.jdt.core.Flags;
import org.eclipse.che.ide.ext.java.jdt.core.Signature;
import org.eclipse.che.ide.ext.java.jdt.core.compiler.CharOperation;
import org.eclipse.che.ide.ext.java.jdt.internal.compiler.env.IBinaryMethod;
import org.eclipse.che.ide.ext.java.jdt.internal.compiler.env.IBinaryType;
import org.eclipse.che.ide.ext.java.jdt.internal.compiler.env.INameEnvironment;
import org.eclipse.che.ide.ext.java.jdt.internal.compiler.env.NameEnvironmentAnswer;
import java.util.Arrays;
/** Internal completion proposal */
public class InternalCompletionProposal extends CompletionProposal {
private static Object NO_ATTACHED_SOURCE = new Object();
protected CompletionEngine completionEngine;
protected INameEnvironment nameLookup;
protected char[] declarationPackageName;
protected char[] declarationTypeName;
protected char[] packageName;
protected char[] typeName;
protected char[][] parameterPackageNames;
protected char[][] parameterTypeNames;
protected char[] originalSignature;
// private boolean hasNoParameterNamesFromIndex = false;
private boolean updateCompletion = false;
// protected int accessibility = IAccessRule.K_ACCESSIBLE;
protected boolean isConstructor = false;
/** Kind of completion request. */
private int completionKind;
/** Offset in original buffer where ICodeAssist.codeComplete() was requested. */
private int completionLocation;
/**
* Start position (inclusive) of source range in original buffer containing the relevant token defaults to empty subrange at
* [0,0).
*/
private int tokenStart = 0;
/**
* End position (exclusive) of source range in original buffer containing the relevant token; defaults to empty subrange at
* [0,0).
*/
private int tokenEnd = 0;
/** Completion string; defaults to empty string. */
private char[] completion = CharOperation.NO_CHAR;
/**
* Start position (inclusive) of source range in original buffer to be replaced by completion string; defaults to empty
* subrange at [0,0).
*/
private int replaceStart = 0;
/**
* End position (exclusive) of source range in original buffer to be replaced by completion string; defaults to empty subrange
* at [0,0).
*/
private int replaceEnd = 0;
/** Relevance rating; positive; higher means better; defaults to minimum rating. */
private int relevance = 1;
/** Signature of the relevant package or type declaration in the context, or <code>null</code> if none. Defaults to null. */
private char[] declarationSignature = null;
/** Unique key of the relevant package or type declaration in the context, or <code>null</code> if none. Defaults to null. */
private char[] declarationKey = null;
/**
* Simple name of the method, field, member, or variable relevant in the context, or <code>null</code> if none. Defaults to
* null.
*/
private char[] name = null;
/** Signature of the method, field type, member type, relevant in the context, or <code>null</code> if none. Defaults to null. */
private char[] signature = null;
/** Unique of the method, field type, member type, relevant in the context, or <code>null</code> if none. Defaults to null. */
private char[] key = null;
/**
* Array of required completion proposals, or <code>null</code> if none. The proposal can not be applied if the required
* proposals aren't applied. Defaults to <code>null</code>.
*/
private CompletionProposal[] requiredProposals;
/** Modifier flags relevant in the context, or <code>Flags.AccDefault</code> if none. Defaults to <code>Flags.AccDefault</code>. */
private int flags = Flags.AccDefault;
/**
* Completion flags relevant in the context, or <code>CompletionFlags.Default</code> if none. Defaults to
* <code>CompletionFlags.Default</code>.
*/
private int additionalFlags = CompletionFlags.Default;
/** Parameter names (for method completions), or <code>null</code> if none. Lazily computed. Defaults to <code>null</code>. */
private char[][] parameterNames = null;
/** Indicates whether parameter names have been computed. */
private boolean parameterNamesComputed = false;
protected char[][] findConstructorParameterNames(char[] declaringTypePackageName, char[] declaringTypeName,
char[] selector, char[][] paramTypeNames) {
if (paramTypeNames == null || declaringTypeName == null)
return null;
char[][] parameters = null;
int length = paramTypeNames.length;
char[] tName = CharOperation.concat(declaringTypePackageName, declaringTypeName, '.');
Object cachedType = this.completionEngine.typeCache.get(tName);
IBinaryType type = null;
if (cachedType != null) {
if (cachedType != NO_ATTACHED_SOURCE && cachedType instanceof IBinaryType) {
type = (IBinaryType)cachedType;
}
} else {
NameEnvironmentAnswer answer =
this.nameLookup.findType(declaringTypeName, CharOperation.splitOn('.', declaringTypePackageName));
if (answer != null && answer.getBinaryType() != null) {
type = answer.getBinaryType();
this.completionEngine.typeCache.put(tName, type);
} else {
type = null;
}
}
if (type != null) {
IBinaryMethod method = findMethod(type, selector, paramTypeNames);
if (method != null) {
char[][] argumentNames = method.getArgumentNames();
if (argumentNames != null && argumentNames.length == length) {
parameters = argumentNames;
return parameters;
}
}
}
// default parameters name
if (parameters == null) {
parameters = CompletionEngine.createDefaultParameterNames(length);
}
return parameters;
}
protected char[][] findMethodParameterNames(char[] declaringTypePackageName, char[] declaringTypeName,
char[] selector, char[][] paramTypeNames) {
if (paramTypeNames == null || declaringTypeName == null)
return null;
char[][] parameters = null;
int length = paramTypeNames.length;
char[] tName = CharOperation.concat(declaringTypePackageName, declaringTypeName, '.');
Object cachedType = this.completionEngine.typeCache.get(tName);
IBinaryType type = null;
if (cachedType != null) {
if (cachedType != NO_ATTACHED_SOURCE && cachedType instanceof IBinaryType) {
type = (IBinaryType)cachedType;
}
} else {
NameEnvironmentAnswer answer =
this.nameLookup.findType(declaringTypeName, CharOperation.splitOn('.', declaringTypePackageName));
if (answer != null && answer.getBinaryType() != null) {
type = answer.getBinaryType();
this.completionEngine.typeCache.put(tName, type);
} else {
type = null;
}
}
if (type != null) {
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=316937
// BinaryType#getMethod() creates a new instance of BinaryMethod, which is a dummy.
// Instead we have to use IType#findMethods() to get a handle to the method of our interest.
IBinaryMethod method = findMethod(type, selector, paramTypeNames);
if (method != null && method.getArgumentNames() != null) {
parameters = new char[length][];
char[][] params = method.getArgumentNames();
for (int i = 0; i < length; i++)//NOSONAR
{
parameters[i] = params[i];
}
} else
parameters = null;
}
// default parameters name
if (parameters == null) {
parameters = CompletionEngine.createDefaultParameterNames(length);
}
return parameters;
}
private IBinaryMethod findMethod(IBinaryType type, char[] selector, char[][] paramTypeNames) {
IBinaryMethod[] methods = type.getMethods();
if (methods == null)
return null;
go:
for (IBinaryMethod method : methods) {
char[] methodSelector = null;
if (method.isConstructor())
methodSelector = type.getSourceName();
else
methodSelector = method.getSelector();
if (Arrays.equals(methodSelector, selector)) {
char[] methodDescriptor = method.getMethodDescriptor();
CharOperation.replace(methodDescriptor, '/', '.');
char[][] parameterTypes = Signature.getParameterTypes(methodDescriptor);
if (parameterTypes.length != paramTypeNames.length)
break go;
for (int i = 0; i < parameterTypes.length; i++) {
if (!Arrays.equals(paramTypeNames[i], parameterTypes[i]))
break go;
}
return method;
}
}
return null;
}
protected void setDeclarationPackageName(char[] declarationPackageName) {
this.declarationPackageName = declarationPackageName;
}
protected void setDeclarationTypeName(char[] declarationTypeName) {
this.declarationTypeName = declarationTypeName;
}
protected void setPackageName(char[] packageName) {
this.packageName = packageName;
}
protected void setTypeName(char[] typeName) {
this.typeName = typeName;
}
protected void setParameterPackageNames(char[][] parameterPackageNames) {
this.parameterPackageNames = parameterPackageNames;
}
protected void setParameterTypeNames(char[][] parameterTypeNames) {
this.parameterTypeNames = parameterTypeNames;
}
protected void setIsContructor(boolean isConstructor) {
this.isConstructor = isConstructor;
}
public void setOriginalSignature(char[] originalSignature) {
this.originalSignature = originalSignature;
}
/**
* Creates a basic completion proposal. All instance field have plausible default values unless otherwise noted.
* <p>
* Note that the constructors for this class are internal to the Java model implementation. Clients cannot directly create
* CompletionProposal objects.
* </p>
*
* @param kind
* one of the kind constants declared on this class
* @param completionLocation
* original offset of code completion request
*/
public InternalCompletionProposal(int kind, int completionLocation) {
if ((kind < FIRST_KIND) || (kind > LAST_KIND)) {
throw new IllegalArgumentException();
}
if (this.completion == null || completionLocation < 0) {
// Work around for bug 132558 (https://bugs.eclipse.org/bugs/show_bug.cgi?id=132558).
// completionLocation can be -1 if the completion occur at the start of a file or
// the start of a code snippet but this API isn't design to support negative position.
if (this.completion == null || completionLocation != -1) {
throw new IllegalArgumentException();
}
completionLocation = 0;
}
this.completionKind = kind;
this.completionLocation = completionLocation;
}
/**
* Returns the completion flags relevant in the context, or <code>CompletionFlags.Default</code> if none.
* <p>
* This field is available for the following kinds of completion proposals:
* <ul>
* <li><code>FIELD_IMPORT</code> - completion flags of the attribute that is referenced. Completion flags for this proposal
* kind can only include <code>CompletionFlags.StaticImport</code></li>
* <li><code>METHOD_IMPORT</code> - completion flags of the attribute that is referenced. Completion flags for this proposal
* kind can only include <code>CompletionFlags.StaticImport</code></li>
* <li><code>TYPE_IMPORT</code> - completion flags of the attribute that is referenced. Completion flags for this proposal kind
* can only include <code>CompletionFlags.StaticImport</code></li>
* </ul>
* For other kinds of completion proposals, this method returns <code>CompletionFlags.Default</code>.
* </p>
*
* @return the completion flags, or <code>CompletionFlags.Default</code> if none
* @see CompletionFlags
* @since 3.3
*/
public int getAdditionalFlags() {
return this.additionalFlags;
}
/**
* Sets the completion flags relevant in the context.
* <p>
* If not set, defaults to none.
* </p>
* <p>
* The completion engine creates instances of this class and sets its properties; this method is not intended to be used by
* other clients.
* </p>
*
* @param additionalFlags
* the completion flags, or <code>CompletionFlags.Default</code> if none
* @since 3.3
*/
public void setAdditionalFlags(int additionalFlags) {
this.additionalFlags = additionalFlags;
}
/**
* Returns the kind of completion being proposed.
* <p>
* The set of different kinds of completion proposals is expected to change over time. It is strongly recommended that clients
* do <b>not</b> assume that the kind is one of the ones they know about, and code defensively for the possibility of
* unexpected future growth.
* </p>
*
* @return the kind; one of the kind constants declared on this class, or possibly a kind unknown to the caller
*/
public int getKind() {
return this.completionKind;
}
/**
* Returns the character index in the source file buffer where source completion was requested (the <code>offset</code>
* parameter to <code>ICodeAssist.codeComplete</code> minus one).
*
* @return character index in source file buffer
*/
// TODO (david) https://bugs.eclipse.org/bugs/show_bug.cgi?id=132558
public int getCompletionLocation() {
return this.completionLocation;
}
/**
* Returns the character index of the start of the subrange in the source file buffer containing the relevant token being
* completed. This token is either the identifier or Java language keyword under, or immediately preceding, the original
* request offset. If the original request offset is not within or immediately after an identifier or keyword, then the
* position returned is original request offset and the token range is empty.
*
* @return character index of token start position (inclusive)
*/
public int getTokenStart() {
return this.tokenStart;
}
/**
* Returns the character index of the end (exclusive) of the subrange in the source file buffer containing the relevant token.
* When there is no relevant token, the range is empty ( <code>getEndToken() == getStartToken()</code>).
*
* @return character index of token end position (exclusive)
*/
public int getTokenEnd() {
return this.tokenEnd;
}
/**
* Sets the character indices of the subrange in the source file buffer containing the relevant token being completed. This
* token is either the identifier or Java language keyword under, or immediately preceding, the original request offset. If the
* original request offset is not within or immediately after an identifier or keyword, then the source range begins at
* original request offset and is empty.
* <p>
* If not set, defaults to empty subrange at [0,0).
* </p>
*
* @param startIndex
* character index of token start position (inclusive)
* @param endIndex
* character index of token end position (exclusive)
*/
public void setTokenRange(int startIndex, int endIndex) {
if (startIndex < 0 || endIndex < startIndex) {
throw new IllegalArgumentException();
}
this.tokenStart = startIndex;
this.tokenEnd = endIndex;
}
/**
* Returns the proposed sequence of characters to insert into the source file buffer, replacing the characters at the specified
* source range. The string can be arbitrary; for example, it might include not only the name of a method but a set of
* parentheses.
* <p>
* The client must not modify the array returned.
* </p>
*
* @return the completion string
*/
public char[] getCompletion() {
if (this.completionKind == METHOD_DECLARATION) {
findParameterNames();
if (this.updateCompletion) {
this.updateCompletion = false;
if (this.parameterNames != null) {
int length = this.parameterNames.length;
StringBuffer completionBuffer = new StringBuffer(this.completion.length);
int start = 0;
int end = CharOperation.indexOf('%', this.completion);
completionBuffer.append(this.completion, start, end - start);
for (int i = 0; i < length; i++) {
completionBuffer.append(this.parameterNames[i]);
start = end + 1;
end = CharOperation.indexOf('%', this.completion, start);
if (end > -1) {
completionBuffer.append(this.completion, start, end - start);
} else {
completionBuffer.append(this.completion, start, this.completion.length - start);
}
}
int nameLength = completionBuffer.length();
this.completion = new char[nameLength];
completionBuffer.getChars(0, nameLength, this.completion, 0);
}
}
}
return this.completion;
}
/**
* Sets the proposed sequence of characters to insert into the source file buffer, replacing the characters at the specified
* source range. The string can be arbitrary; for example, it might include not only the name of a method but a set of
* parentheses.
* <p>
* If not set, defaults to an empty character array.
* </p>
* <p>
* The completion engine creates instances of this class and sets its properties; this method is not intended to be used by
* other clients.
* </p>
*
* @param completion
* the completion string
*/
public void setCompletion(char[] completion) {
this.completion = completion;
}
/**
* Returns the character index of the start of the subrange in the source file buffer to be replaced by the completion string.
* If the subrange is empty (<code>getReplaceEnd() == getReplaceStart()</code>), the completion string is to be inserted at
* this index.
* <p>
* Note that while the token subrange is precisely specified, the replacement range is loosely constrained and may not bear any
* direct relation to the original request offset. For example, it would be possible for a type completion to propose inserting
* an import declaration at the top of the compilation unit; or the completion might include trailing parentheses and
* punctuation for a method completion.
* </p>
*
* @return replacement start position (inclusive)
*/
public int getReplaceStart() {
return this.replaceStart;
}
/**
* Returns the character index of the end of the subrange in the source file buffer to be replaced by the completion string. If
* the subrange is empty ( <code>getReplaceEnd() == getReplaceStart()</code>), the completion string is to be inserted at this
* index.
*
* @return replacement end position (exclusive)
*/
public int getReplaceEnd() {
return this.replaceEnd;
}
/**
* Sets the character indices of the subrange in the source file buffer to be replaced by the completion string. If the
* subrange is empty ( <code>startIndex == endIndex</code>), the completion string is to be inserted at this index.
* <p>
* If not set, defaults to empty subrange at [0,0).
* </p>
* <p>
* The completion engine creates instances of this class and sets its properties; this method is not intended to be used by
* other clients.
* </p>
*
* @param startIndex
* character index of replacement start position (inclusive)
* @param endIndex
* character index of replacement end position (exclusive)
*/
public void setReplaceRange(int startIndex, int endIndex) {
if (startIndex < 0 || endIndex < startIndex) {
throw new IllegalArgumentException();
}
this.replaceStart = startIndex;
this.replaceEnd = endIndex;
}
/**
* Returns the relative relevance rating of this proposal.
*
* @return relevance rating of this proposal; ratings are positive; higher means better
*/
public int getRelevance() {
return this.relevance;
}
/**
* Sets the relative relevance rating of this proposal.
* <p>
* If not set, defaults to the lowest possible rating (1).
* </p>
* <p>
* The completion engine creates instances of this class and sets its properties; this method is not intended to be used by
* other clients.
* </p>
*
* @param rating
* relevance rating of this proposal; ratings are positive; higher means better
*/
public void setRelevance(int rating) {
if (rating <= 0) {
throw new IllegalArgumentException();
}
this.relevance = rating;
}
/**
* Returns the type signature or package name of the relevant declaration in the context, or <code>null</code> if none.
* <p>
* This field is available for the following kinds of completion proposals:
* <ul>
* <li><code>ANNOTATION_ATTRIBUT_REF</code> - type signature of the annotation that declares the attribute that is referenced</li>
* <li><code>ANONYMOUS_CLASS_DECLARATION</code> - type signature of the type that is being subclassed or implemented</li>
* <li><code>FIELD_IMPORT</code> - type signature of the type that declares the field that is imported</li>
* <li><code>FIELD_REF</code> - type signature of the type that declares the field that is referenced</li>
* <li><code>FIELD_REF_WITH_CASTED_RECEIVER</code> - type signature of the type that declares the field that is referenced</li>
* <li><code>METHOD_IMPORT</code> - type signature of the type that declares the method that is imported</li>
* <li><code>METHOD_REF</code> - type signature of the type that declares the method that is referenced</li>
* <li><code>METHOD_REF_WITH_CASTED_RECEIVER</code> - type signature of the type that declares the method that is referenced</li>
* <li><code>METHOD_DECLARATION</code> - type signature of the type that declares the method that is being implemented or
* overridden</li>
* <li><code>PACKAGE_REF</code> - dot-based package name of the package that is referenced</li>
* <li><code>TYPE_IMPORT</code> - dot-based package name of the package containing the type that is imported</li>
* <li><code>TYPE_REF</code> - dot-based package name of the package containing the type that is referenced</li>
* <li><code>POTENTIAL_METHOD_DECLARATION</code> - type signature of the type that declares the method that is being created</li>
* </ul>
* For kinds of completion proposals, this method returns <code>null</code>. Clients must not modify the array returned.
* </p>
*
* @return a type signature or a package name (depending on the kind of completion), or <code>null</code> if none
* @see Signature
*/
public char[] getDeclarationSignature() {
return this.declarationSignature;
}
/**
* Returns the key of the relevant declaration in the context, or <code>null</code> if none.
* <p>
* This field is available for the following kinds of completion proposals:
* <ul>
* <li><code>ANONYMOUS_CLASS_DECLARATION</code> - key of the type that is being subclassed or implemented</li>
* <li><code>METHOD_DECLARATION</code> - key of the type that declares the method that is being implemented or overridden</li>
* </ul>
* For kinds of completion proposals, this method returns <code>null</code>. Clients must not modify the array returned.
* </p>
*
* @return a key, or <code>null</code> if none
* @since 3.1
*/
public char[] getDeclarationKey() {
return this.declarationKey;
}
/**
* Sets the type or package signature of the relevant declaration in the context, or <code>null</code> if none.
* <p>
* If not set, defaults to none.
* </p>
* <p>
* The completion engine creates instances of this class and sets its properties; this method is not intended to be used by
* other clients.
* </p>
*
* @param signature
* the type or package signature, or <code>null</code> if none
*/
public void setDeclarationSignature(char[] signature) {
this.declarationSignature = signature;
}
/**
* Sets the type or package key of the relevant declaration in the context, or <code>null</code> if none.
* <p>
* If not set, defaults to none.
* </p>
* <p>
* The completion engine creates instances of this class and sets its properties; this method is not intended to be used by
* other clients.
* </p>
*
* @param key
* the type or package key, or <code>null</code> if none
* @since 3.1
*/
public void setDeclarationKey(char[] key) {
this.declarationKey = key;
}
/**
* Returns the simple name of the method, field, member, or variable relevant in the context, or <code>null</code> if none.
* <p>
* This field is available for the following kinds of completion proposals:
* <ul>
* <li><code>ANNOTATION_ATTRIBUT_REF</code> - the name of the attribute</li>
* <li><code>FIELD_IMPORT</code> - the name of the field</li>
* <li><code>FIELD_REF</code> - the name of the field</li>
* <li><code>FIELD_REF_WITH_CASTED_RECEIVER</code> - the name of the field</li>
* <li><code>KEYWORD</code> - the keyword</li>
* <li><code>LABEL_REF</code> - the name of the label</li>
* <li><code>LOCAL_VARIABLE_REF</code> - the name of the local variable</li>
* <li><code>METHOD_IMPORT</code> - the name of the method</li>
* <li><code>METHOD_REF</code> - the name of the method (the type simple name for constructor)</li>
* <li><code>METHOD_REF_WITH_CASTED_RECEIVER</code> - the name of the method</li>
* <li><code>METHOD_DECLARATION</code> - the name of the method (the type simple name for constructor)</li>
* <li><code>VARIABLE_DECLARATION</code> - the name of the variable</li>
* <li><code>POTENTIAL_METHOD_DECLARATION</code> - the name of the method</li>
* </ul>
* For kinds of completion proposals, this method returns <code>null</code>. Clients must not modify the array returned.
* </p>
*
* @return the keyword, field, method, local variable, or member name, or <code>null</code> if none
*/
public char[] getName() {
return this.name;
}
/**
* Sets the simple name of the method (type simple name for constructor), field, member, or variable relevant in the context,
* or <code>null</code> if none.
* <p>
* If not set, defaults to none.
* </p>
* <p>
* The completion engine creates instances of this class and sets its properties; this method is not intended to be used by
* other clients.
* </p>
*
* @param name
* the keyword, field, method, local variable, or member name, or <code>null</code> if none
*/
public void setName(char[] name) {
this.name = name;
}
/**
* Returns the signature of the method or type relevant in the context, or <code>null</code> if none.
* <p>
* This field is available for the following kinds of completion proposals:
* <ul>
* <li><code>ANNOTATION_ATTRIBUT_REF</code> - the type signature of the referenced attribute's type</li>
* <li><code>ANONYMOUS_CLASS_DECLARATION</code> - method signature of the constructor that is being invoked</li>
* <li><code>FIELD_IMPORT</code> - the type signature of the referenced field's type</li>
* <li><code>FIELD_REF</code> - the type signature of the referenced field's type</li>
* <li><code>FIELD_REF_WITH_CASTED_RECEIVER</code> - the type signature of the referenced field's type</li>
* <li><code>LOCAL_VARIABLE_REF</code> - the type signature of the referenced local variable's type</li>
* <li><code>METHOD_IMPORT</code> - method signature of the method that is imported</li>
* <li><code>METHOD_REF</code> - method signature of the method that is referenced</li>
* <li><code>METHOD_REF_WITH_CASTED_RECEIVER</code> - method signature of the method that is referenced</li>
* <li><code>METHOD_DECLARATION</code> - method signature of the method that is being implemented or overridden</li>
* <li><code>TYPE_IMPORT</code> - type signature of the type that is imported</li>
* <li><code>TYPE_REF</code> - type signature of the type that is referenced</li>
* <li><code>VARIABLE_DECLARATION</code> - the type signature of the type of the variable being declared</li>
* <li><code>POTENTIAL_METHOD_DECLARATION</code> - method signature of the method that is being created</li>
* </ul>
* For kinds of completion proposals, this method returns <code>null</code>. Clients must not modify the array returned.
* </p>
*
* @return the signature, or <code>null</code> if none
* @see Signature
*/
public char[] getSignature() {
return this.signature;
}
/**
* Returns the key relevant in the context, or <code>null</code> if none.
* <p>
* This field is available for the following kinds of completion proposals:
* <ul>
* <li><code>ANONYMOUS_CLASS_DECLARATION</code> - method key of the constructor that is being invoked, or <code>null</code> if
* the declaring type is an interface</li>
* <li><code>METHOD_DECLARATION</code> - method key of the method that is being implemented or overridden</li>
* </ul>
* For kinds of completion proposals, this method returns <code>null</code>. Clients must not modify the array returned.
* </p>
*
* @return the key, or <code>null</code> if none
* @since 3.1
*/
public char[] getKey() {
return this.key;
}
/**
* Returns the package name of the relevant declaration in the context, or <code>null</code> if none.
* <p>
* This field is available for the following kinds of completion proposals:
* <ul>
* <li><code>ANONYMOUS_CLASS_DECLARATION</code> - the dot-based package name of the type that is being subclassed or
* implemented</li>
* <li><code>FIELD_REF</code> - the dot-based package name of the type that declares the field that is referenced</li>
* <li><code>METHOD_REF</code> - the dot-based package name of the type that declares the method that is referenced</li>
* <li><code>METHOD_DECLARATION</code> - the dot-based package name of the type that declares the method that is being
* implemented or overridden</li>
* </ul>
* For kinds of completion proposals, this method returns <code>null</code>. Clients must not modify the array returned.
* </p>
*
* @return the dot-based package name, or <code>null</code> if none
* @see #getDeclarationSignature()
* @see #getSignature()
* @since 3.1
*/
public char[] getDeclarationPackageName() {
return this.declarationPackageName;
}
/**
* Returns the type name of the relevant declaration in the context without the package fragment, or <code>null</code> if none.
* <p>
* This field is available for the following kinds of completion proposals:
* <ul>
* <li><code>ANONYMOUS_CLASS_DECLARATION</code> - the dot-based type name of the type that is being subclassed or implemented</li>
* <li><code>FIELD_REF</code> - the dot-based type name of the type that declares the field that is referenced or an anonymous
* type instantiation ("new X(){}") if it is an anonymous type</li>
* <li><code>METHOD_REF</code> - the dot-based type name of the type that declares the method that is referenced or an
* anonymous type instantiation ("new X(){}") if it is an anonymous type</li>
* <li><code>METHOD_DECLARATION</code> - the dot-based type name of the type that declares the method that is being implemented
* or overridden</li>
* </ul>
* For kinds of completion proposals, this method returns <code>null</code>. Clients must not modify the array returned.
* </p>
*
* @return the dot-based package name, or <code>null</code> if none
* @see #getDeclarationSignature()
* @see #getSignature()
* @since 3.1
*/
public char[] getDeclarationTypeName() {
return this.declarationTypeName;
}
/**
* Returns the package name of the method or type relevant in the context, or <code>null</code> if none.
* <p>
* This field is available for the following kinds of completion proposals:
* <ul>
* <li><code>FIELD_REF</code> - the dot-based package name of the referenced field's type</li>
* <li><code>LOCAL_VARIABLE_REF</code> - the dot-based package name of the referenced local variable's type</li>
* <li><code>METHOD_REF</code> - the dot-based package name of the return type of the method that is referenced</li>
* <li><code>METHOD_DECLARATION</code> - the dot-based package name of the return type of the method that is being implemented
* or overridden</li>
* <li><code>PACKAGE_REF</code> - the dot-based package name of the package that is referenced</li>
* <li><code>TYPE_REF</code> - the dot-based package name of the type that is referenced</li>
* <li><code>VARIABLE_DECLARATION</code> - the dot-based package name of the type of the variable being declared</li>
* </ul>
* For kinds of completion proposals, this method returns <code>null</code>. Clients must not modify the array returned.
* </p>
*
* @return the package name, or <code>null</code> if none
* @see #getDeclarationSignature()
* @see #getSignature()
* @since 3.1
*/
public char[] getPackageName() {
return this.packageName;
}
/**
* Returns the type name without the package fragment of the method or type relevant in the context, or <code>null</code> if
* none.
* <p>
* This field is available for the following kinds of completion proposals:
* <ul>
* <li><code>FIELD_REF</code> - the dot-based type name of the referenced field's type</li>
* <li><code>LOCAL_VARIABLE_REF</code> - the dot-based type name of the referenced local variable's type</li>
* <li><code>METHOD_REF</code> - the dot-based type name of the return type of the method that is referenced</li>
* <li><code>METHOD_DECLARATION</code> - the dot-based type name of the return type of the method that is being implemented or
* overridden</li>
* <li><code>TYPE_REF</code> - the dot-based type name of the type that is referenced</li>
* <li><code>VARIABLE_DECLARATION</code> - the dot-based package name of the type of the variable being declared</li>
* </ul>
* For kinds of completion proposals, this method returns <code>null</code>. Clients must not modify the array returned.
* </p>
*
* @return the package name, or <code>null</code> if none
* @see #getDeclarationSignature()
* @see #getSignature()
* @since 3.1
*/
public char[] getTypeName() {
return this.typeName;
}
/**
* Returns the parameter package names of the method relevant in the context, or <code>null</code> if none.
* <p>
* This field is available for the following kinds of completion proposals:
* <ul>
* <li><code>ANONYMOUS_CLASS_DECLARATION</code> - parameter package names of the constructor that is being invoked</li>
* <li><code>METHOD_REF</code> - parameter package names of the method that is referenced</li>
* <li><code>METHOD_DECLARATION</code> - parameter package names of the method that is being implemented or overridden</li>
* </ul>
* For kinds of completion proposals, this method returns <code>null</code>. Clients must not modify the array returned.
* </p>
*
* @return the package name, or <code>null</code> if none
* @see #getDeclarationSignature()
* @see #getSignature()
* @since 3.1
*/
public char[][] getParameterPackageNames() {
return this.parameterPackageNames;
}
/**
* Returns the parameter type names without the package fragment of the method relevant in the context, or <code>null</code> if
* none.
* <p>
* This field is available for the following kinds of completion proposals:
* <ul>
* <li><code>ANONYMOUS_CLASS_DECLARATION</code> - parameter type names of the constructor that is being invoked</li>
* <li><code>METHOD_REF</code> - parameter type names of the method that is referenced</li>
* <li><code>METHOD_DECLARATION</code> - parameter type names of the method that is being implemented or overridden</li>
* </ul>
* For kinds of completion proposals, this method returns <code>null</code>. Clients must not modify the array returned.
* </p>
*
* @return the package name, or <code>null</code> if none
* @see #getDeclarationSignature()
* @see #getSignature()
* @since 3.1
*/
public char[][] getParameterTypeNames() {
return this.parameterTypeNames;
}
/**
* Sets the signature of the method, field type, member type, relevant in the context, or <code>null</code> if none.
* <p>
* If not set, defaults to none.
* </p>
* <p>
* The completion engine creates instances of this class and sets its properties; this method is not intended to be used by
* other clients.
* </p>
*
* @param signature
* the signature, or <code>null</code> if none
*/
public void setSignature(char[] signature) {
this.signature = signature;
}
/**
* Sets the key of the method, field type, member type, relevant in the context, or <code>null</code> if none.
* <p>
* If not set, defaults to none.
* </p>
* <p>
* The completion engine creates instances of this class and sets its properties; this method is not intended to be used by
* other clients.
* </p>
*
* @param key
* the key, or <code>null</code> if none
* @since 3.1
*/
public void setKey(char[] key) {
this.key = key;
}
/**
* Returns the modifier flags relevant in the context, or <code>Flags.AccDefault</code> if none.
* <p>
* This field is available for the following kinds of completion proposals:
* <ul>
* <li><code>ANNOTATION_ATTRIBUT_REF</code> - modifier flags of the attribute that is referenced;
* <li><code>ANONYMOUS_CLASS_DECLARATION</code> - modifier flags of the constructor that is referenced</li>
* <li><code>FIELD_IMPORT</code> - modifier flags of the field that is imported.</li>
* <li><code>FIELD_REF</code> - modifier flags of the field that is referenced; <code>Flags.AccEnum</code> can be used to
* recognize references to enum constants</li>
* <li><code>FIELD_REF_WITH_CASTED_RECEIVER</code> - modifier flags of the field that is referenced.</li>
* <li><code>KEYWORD</code> - modifier flag corresponding to the modifier keyword</li>
* <li><code>LOCAL_VARIABLE_REF</code> - modifier flags of the local variable that is referenced</li>
* <li><code>METHOD_IMPORT</code> - modifier flags of the method that is imported;</li>
* <li><code>METHOD_REF</code> - modifier flags of the method that is referenced; <code>Flags.AccAnnotation</code> can be used
* to recognize references to annotation type members</li>
* <li><code>METHOD_REF_WITH_CASTED_RECEIVER</code> - modifier flags of the method that is referenced.</li>
* <li><code>METHOD_DECLARATION</code> - modifier flags for the method that is being implemented or overridden</li>
* <li><code>TYPE_IMPORT</code> - modifier flags of the type that is imported; <code>Flags.AccInterface</code> can be used to
* recognize references to interfaces, <code>Flags.AccEnum</code> enum types, and <code>Flags.AccAnnotation</code> annotation
* types</li>
* <li><code>TYPE_REF</code> - modifier flags of the type that is referenced; <code>Flags.AccInterface</code> can be used to
* recognize references to interfaces, <code>Flags.AccEnum</code> enum types, and <code>Flags.AccAnnotation</code> annotation
* types</li>
* <li><code>VARIABLE_DECLARATION</code> - modifier flags for the variable being declared</li>
* <li><code>POTENTIAL_METHOD_DECLARATION</code> - modifier flags for the method that is being created</li>
* </ul>
* For other kinds of completion proposals, this method returns <code>Flags.AccDefault</code>.
* </p>
*
* @return the modifier flags, or <code>Flags.AccDefault</code> if none
* @see Flags
*/
public int getFlags() {
return this.flags;
}
/**
* Sets the modifier flags relevant in the context.
* <p>
* If not set, defaults to none.
* </p>
* <p>
* The completion engine creates instances of this class and sets its properties; this method is not intended to be used by
* other clients.
* </p>
*
* @param flags
* the modifier flags, or <code>Flags.AccDefault</code> if none
*/
public void setFlags(int flags) {
this.flags = flags;
}
public void setHasNoParameterNamesFromIndex(boolean hasNoParameterNamesFromIndex) {
// this.hasNoParameterNamesFromIndex = hasNoParameterNamesFromIndex;
}
/**
* Returns the required completion proposals. The proposal can be apply only if these required completion proposals are also
* applied. If the required proposal aren't applied the completion could create completion problems.
* <p/>
* <p>
* This field is available for the following kinds of completion proposals:
* <ul>
* <li><code>FIELD_REF</code> - The allowed required proposals for this kind are:
* <ul>
* <li><code>TYPE_REF</code></li>
* <li><code>TYPE_IMPORT</code></li>
* <li><code>FIELD_IMPORT</code></li>
* </ul>
* </li>
* <li><code>METHOD_REF</code> - The allowed required proposals for this kind are:
* <ul>
* <li><code>TYPE_REF</code></li>
* <li><code>TYPE_IMPORT</code></li>
* <li><code>METHOD_IMPORT</code></li>
* </ul>
* </li>
* </li>
* <li><code>TYPE_REF</code> - The allowed required proposals for this kind are:
* <ul>
* <li><code>TYPE_REF</code></li>
* </ul>
* </li>
* </ul>
* </p>
* <p>
* Other kinds of required proposals will be returned in the future, therefore clients of this API must allow with
* {@link CompletionRequestor#setAllowsRequiredProposals(int, int, boolean)} only kinds which are in this list to avoid
* unexpected results in the future.
* </p>
* <p>
* A required proposal of a given kind is proposed even if {@link CompletionRequestor#isIgnored(int)} return <code>true</code>
* for that kind.
* </p>
* <p>
* A required completion proposal cannot have required completion proposals.
* </p>
*
* @return the required completion proposals, or <code>null</code> if none.
* @see CompletionRequestor#setAllowsRequiredProposals(int, int, boolean)
* @since 3.3
*/
public CompletionProposal[] getRequiredProposals() {
return this.requiredProposals;
}
/**
* Sets the list of required completion proposals, or <code>null</code> if none.
* <p>
* If not set, defaults to none.
* </p>
* <p>
* The completion engine creates instances of this class and sets its properties; this method is not intended to be used by
* other clients.
* </p>
*
* @param proposals
* the list of required completion proposals, or <code>null</code> if none
* @since 3.3
*/
public void setRequiredProposals(CompletionProposal[] proposals) {
this.requiredProposals = proposals;
}
/**
* Finds the method parameter names. This information is relevant to method reference (and method declaration proposals).
* Returns <code>null</code> if not available or not relevant.
* <p>
* The client must not modify the array returned.
* </p>
* <p>
* <b>Note that this is an expensive thing to compute, which may require parsing Java source files, etc. Use sparingly.</b>
* </p>
*
* @return the parameter names, or <code>null</code> if none or not available or not relevant
*/
public char[][] findParameterNames() {
if (!this.parameterNamesComputed) {
this.parameterNamesComputed = true;
switch (this.completionKind) {
case ANONYMOUS_CLASS_DECLARATION:
try {
this.parameterNames =
findMethodParameterNames(this.declarationPackageName, this.declarationTypeName,
CharOperation.lastSegment(this.declarationTypeName, '.'),
Signature.getParameterTypes(this.originalSignature == null ? this.signature
: this
.originalSignature));
} catch (IllegalArgumentException e) {
// protection for invalid signature
if (this.parameterTypeNames != null) {
this.parameterNames = CompletionEngine.createDefaultParameterNames(this.parameterTypeNames.length);
} else {
this.parameterNames = null;
}
}
break;
case ANONYMOUS_CLASS_CONSTRUCTOR_INVOCATION:
try {
this.parameterNames =
findConstructorParameterNames(this.declarationPackageName, this.declarationTypeName,
CharOperation.lastSegment(this.declarationTypeName, '.'),
Signature.getParameterTypes(this.originalSignature == null ? this.signature
: this
.originalSignature));
} catch (IllegalArgumentException e) {
// protection for invalid signature
if (this.parameterTypeNames != null) {
this.parameterNames = CompletionEngine.createDefaultParameterNames(this.parameterTypeNames.length);
} else {
this.parameterNames = null;
}
}
break;
case METHOD_REF:
case METHOD_REF_WITH_CASTED_RECEIVER:
try {
this.parameterNames =
findMethodParameterNames(this.declarationPackageName, this.declarationTypeName, this.name,
Signature.getParameterTypes(this.originalSignature == null ? this.signature
: this
.originalSignature));
} catch (IllegalArgumentException e) {
// protection for invalid signature
if (this.parameterTypeNames != null) {
this.parameterNames = CompletionEngine.createDefaultParameterNames(this.parameterTypeNames.length);
} else {
this.parameterNames = null;
}
}
break;
case CONSTRUCTOR_INVOCATION:
try {
this.parameterNames =
findConstructorParameterNames(this.declarationPackageName, this.declarationTypeName, this.name,
Signature.getParameterTypes(this.originalSignature == null ? this.signature
: this
.originalSignature));
} catch (IllegalArgumentException e) {
// protection for invalid signature
if (this.parameterTypeNames != null) {
this.parameterNames = CompletionEngine.createDefaultParameterNames(this.parameterTypeNames.length);
} else {
this.parameterNames = null;
}
}
break;
case METHOD_DECLARATION:
try {
this.parameterNames =
findMethodParameterNames(this.declarationPackageName, this.declarationTypeName, this.name,
Signature.getParameterTypes(this.originalSignature == null ? this.signature
: this
.originalSignature));
} catch (IllegalArgumentException e) {
// protection for invalid signature
if (this.parameterTypeNames != null) {
this.parameterNames = CompletionEngine.createDefaultParameterNames(this.parameterTypeNames.length);
} else {
this.parameterNames = null;
}
}
if (this.parameterNames != null) {
this.updateCompletion = true;
}
break;
}
}
return this.parameterNames;
// return null;
}
/**
* Sets the method parameter names. This information is relevant to method reference (and method declaration proposals).
* <p>
* The completion engine creates instances of this class and sets its properties; this method is not intended to be used by
* other clients.
* </p>
*
* @param parameterNames
* the parameter names, or <code>null</code> if none
*/
public void setParameterNames(char[][] parameterNames) {
this.parameterNames = parameterNames;
this.parameterNamesComputed = true;
}
// /**
// * Returns the accessibility of the proposal.
// * <p>
// * This field is available for the following kinds of
// * completion proposals:
// * <ul>
// * <li><code>TYPE_REF</code> - accessibility of the type</li>
// * </ul>
// * For these kinds of completion proposals, this method returns
// * {@link IAccessRule#K_ACCESSIBLE} or {@link IAccessRule#K_DISCOURAGED}
// * or {@link IAccessRule#K_NON_ACCESSIBLE}.
// * By default this method return {@link IAccessRule#K_ACCESSIBLE}.
// * </p>
// *
// * @see IAccessRule
// *
// * @return the accessibility of the proposal
// *
// * @since 3.1
// */
// public int getAccessibility() {
// return this.accessibility;
// }
/**
* Returns whether this proposal is a constructor.
* <p>
* This field is available for the following kinds of completion proposals:
* <ul>
* <li><code>METHOD_REF</code> - return <code>true</code> if the referenced method is a constructor</li>
* <li><code>METHOD_DECLARATION</code> - return <code>true</code> if the declared method is a constructor</li>
* </ul>
* For kinds of completion proposals, this method returns <code>false</code>.
* </p>
*
* @return <code>true</code> if the proposal is a constructor.
* @since 3.1
*/
public boolean isConstructor() {
return this.isConstructor;
}
private int receiverStart;
private int receiverEnd;
private char[] receiverSignature;
/**
* Returns the type signature or package name of the relevant receiver in the context, or <code>null</code> if none.
* <p>
* This field is available for the following kinds of completion proposals:
* <ul>
* <li><code>FIELD_REF_WITH_CASTED_RECEIVER</code> - type signature of the type that cast the receiver of the field that is
* referenced</li>
* <li><code>METHOD_REF_WITH_CASTED_RECEIVER</code> - type signature of the type that cast the receiver of the method that is
* referenced</li>
* </ul>
* For kinds of completion proposals, this method returns <code>null</code>. Clients must not modify the array returned.
* </p>
*
* @return a type signature or a package name (depending on the kind of completion), or <code>null</code> if none
* @see Signature
* @since 3.4
*/
public char[] getReceiverSignature() {
return this.receiverSignature;
}
/**
* Returns the character index of the start of the subrange in the source file buffer containing the relevant receiver of the
* member being completed. This receiver is an expression.
* <p/>
* <p>
* This field is available for the following kinds of completion proposals:
* <ul>
* <li><code>FIELD_REF_WITH_CASTED_RECEIVER</code></li>
* <li><code>METHOD_REF_WITH_CASTED_RECEIVER</code></li>
* </ul>
* For kinds of completion proposals, this method returns <code>0</code>.
* </p>
*
* @return character index of receiver start position (inclusive)
* @since 3.4
*/
public int getReceiverStart() {
return this.receiverStart;
}
/**
* Returns the character index of the end (exclusive) of the subrange in the source file buffer containing the relevant
* receiver of the member being completed.
* <p/>
* *
* <p>
* This field is available for the following kinds of completion proposals:
* <ul>
* <li><code>FIELD_REF_WITH_CASTED_RECEIVER</code></li>
* <li><code>METHOD_REF_WITH_CASTED_RECEIVER</code></li>
* </ul>
* For kinds of completion proposals, this method returns <code>0</code>.
* </p>
*
* @return character index of receiver end position (exclusive)
* @since 3.4
*/
public int getReceiverEnd() {
return this.receiverEnd;
}
/**
* Sets the type or package signature of the relevant receiver in the context, or <code>null</code> if none.
* <p>
* If not set, defaults to none.
* </p>
* <p>
* The completion engine creates instances of this class and sets its properties; this method is not intended to be used by
* other clients.
* </p>
*
* @param signature
* the type or package signature, or <code>null</code> if none
* @since 3.4
*/
public void setReceiverSignature(char[] signature) {
this.receiverSignature = signature;
}
/**
* Sets the character indices of the subrange in the source file buffer containing the relevant receiver of the member being
* completed.
* <p/>
* <p>
* If not set, defaults to empty subrange at [0,0).
* </p>
*
* @param startIndex
* character index of receiver start position (inclusive)
* @param endIndex
* character index of receiver end position (exclusive)
* @since 3.4
*/
public void setReceiverRange(int startIndex, int endIndex) {
this.receiverStart = startIndex;
this.receiverEnd = endIndex;
}
public String toString() {
StringBuffer buffer = new StringBuffer();
buffer.append('[');
switch (this.completionKind) {
case CompletionProposal.ANONYMOUS_CLASS_DECLARATION:
buffer.append("ANONYMOUS_CLASS_DECLARATION"); //$NON-NLS-1$
break;
case CompletionProposal.FIELD_REF:
buffer.append("FIELD_REF"); //$NON-NLS-1$
break;
case CompletionProposal.KEYWORD:
buffer.append("KEYWORD"); //$NON-NLS-1$
break;
case CompletionProposal.LABEL_REF:
buffer.append("LABEL_REF"); //$NON-NLS-1$
break;
case CompletionProposal.LOCAL_VARIABLE_REF:
buffer.append("LOCAL_VARIABLE_REF"); //$NON-NLS-1$
break;
case CompletionProposal.METHOD_DECLARATION:
buffer.append("METHOD_DECLARATION"); //$NON-NLS-1$
if (this.isConstructor) {
buffer.append("<CONSTRUCTOR>"); //$NON-NLS-1$
}
break;
case CompletionProposal.METHOD_REF:
buffer.append("METHOD_REF"); //$NON-NLS-1$
if (this.isConstructor) {
buffer.append("<CONSTRUCTOR>"); //$NON-NLS-1$
}
break;
case CompletionProposal.PACKAGE_REF:
buffer.append("PACKAGE_REF"); //$NON-NLS-1$
break;
case CompletionProposal.TYPE_REF:
buffer.append("TYPE_REF"); //$NON-NLS-1$
break;
case CompletionProposal.VARIABLE_DECLARATION:
buffer.append("VARIABLE_DECLARATION"); //$NON-NLS-1$
break;
case CompletionProposal.POTENTIAL_METHOD_DECLARATION:
buffer.append("POTENTIAL_METHOD_DECLARATION"); //$NON-NLS-1$
break;
case CompletionProposal.METHOD_NAME_REFERENCE:
buffer.append("METHOD_IMPORT"); //$NON-NLS-1$
break;
case CompletionProposal.ANNOTATION_ATTRIBUTE_REF:
buffer.append("ANNOTATION_ATTRIBUTE_REF"); //$NON-NLS-1$
break;
case CompletionProposal.JAVADOC_BLOCK_TAG:
buffer.append("JAVADOC_BLOCK_TAG"); //$NON-NLS-1$
break;
case CompletionProposal.JAVADOC_INLINE_TAG:
buffer.append("JAVADOC_INLINE_TAG"); //$NON-NLS-1$
break;
case CompletionProposal.JAVADOC_FIELD_REF:
buffer.append("JAVADOC_FIELD_REF"); //$NON-NLS-1$
break;
case CompletionProposal.JAVADOC_METHOD_REF:
buffer.append("JAVADOC_METHOD_REF"); //$NON-NLS-1$
break;
case CompletionProposal.JAVADOC_TYPE_REF:
buffer.append("JAVADOC_TYPE_REF"); //$NON-NLS-1$
break;
case CompletionProposal.JAVADOC_PARAM_REF:
buffer.append("JAVADOC_PARAM_REF"); //$NON-NLS-1$
break;
case CompletionProposal.JAVADOC_VALUE_REF:
buffer.append("JAVADOC_VALUE_REF"); //$NON-NLS-1$
break;
case CompletionProposal.FIELD_IMPORT:
buffer.append("FIELD_IMPORT"); //$NON-NLS-1$
break;
case CompletionProposal.METHOD_IMPORT:
buffer.append("METHOD_IMPORT"); //$NON-NLS-1$
break;
case CompletionProposal.TYPE_IMPORT:
buffer.append("TYPE_IMPORT"); //$NON-NLS-1$
break;
case CompletionProposal.METHOD_REF_WITH_CASTED_RECEIVER:
buffer.append("METHOD_REF_WITH_CASTED_RECEIVER"); //$NON-NLS-1$
break;
case CompletionProposal.FIELD_REF_WITH_CASTED_RECEIVER:
buffer.append("FIELD_REF_WITH_CASTED_RECEIVER"); //$NON-NLS-1$
break;
case CompletionProposal.CONSTRUCTOR_INVOCATION:
buffer.append("CONSTRUCTOR_INVOCATION"); //$NON-NLS-1$
break;
case CompletionProposal.ANONYMOUS_CLASS_CONSTRUCTOR_INVOCATION:
buffer.append("ANONYMOUS_CLASS_CONSTRUCTOR_INVOCATION"); //$NON-NLS-1$
break;
default:
buffer.append("PROPOSAL"); //$NON-NLS-1$
break;
}
buffer.append("]{completion:"); //$NON-NLS-1$
if (this.completion != null)
buffer.append(this.completion);
buffer.append(", declSign:"); //$NON-NLS-1$
if (this.declarationSignature != null)
buffer.append(this.declarationSignature);
buffer.append(", sign:"); //$NON-NLS-1$
if (this.signature != null)
buffer.append(this.signature);
buffer.append(", declKey:"); //$NON-NLS-1$
if (this.declarationKey != null)
buffer.append(this.declarationKey);
buffer.append(", key:"); //$NON-NLS-1$
if (this.key != null)
buffer.append(this.key);
buffer.append(", name:"); //$NON-NLS-1$
if (this.name != null)
buffer.append(this.name);
buffer.append(", replace:["); //$NON-NLS-1$
buffer.append(this.replaceStart);
buffer.append(',');
buffer.append(this.replaceEnd);
buffer.append("], token:["); //$NON-NLS-1$
buffer.append(this.tokenStart);
buffer.append(',');
buffer.append(this.tokenEnd);
buffer.append("], relevance:"); //$NON-NLS-1$
buffer.append(this.relevance);
buffer.append('}');
return buffer.toString();
}
public boolean canUseDiamond(CompletionContext coreContext) {
if (this.getKind() != CONSTRUCTOR_INVOCATION)
return false;
if (coreContext instanceof InternalCompletionContext) {
// InternalCompletionContext internalCompletionContext = (InternalCompletionContext)coreContext;
// // if (internalCompletionContext.extendedContext == null) return false;
// char[] name1 = this.declarationPackageName;
// char[] name2 = this.declarationTypeName;
// char[] declarationType = CharOperation.concat(name1, name2, '.'); // fully qualified name
// // even if the type arguments used in the method have been substituted,
// // extract the original type arguments only, since thats what we want to compare with the class
// // type variables (Substitution might have happened when the constructor is coming from another
// // CU and not the current one).
// char[] sign = (this.originalSignature != null) ? this.originalSignature : getSignature();
// if (!(sign == null || sign.length < 2))
// {
// sign = Signature.removeCapture(sign);
// }
// char[][] types = Signature.getParameterTypes(sign);
// String[] paramTypeNames = new String[types.length];
// for (int i = 0; i < types.length; i++)
// {
// paramTypeNames[i] = new String(Signature.toCharArray(types[i]));
// }
return true;
// return internalCompletionContext.extendedContext.canUseDiamond(paramTypeNames,declarationType);
} else {
return false;
}
}
}