| package org.eclipse.jdt.internal.codeassist; | |
| /* | |
| * (c) Copyright IBM Corp. 2000, 2001. | |
| * All Rights Reserved. | |
| */ | |
| import java.util.*; | |
| import org.eclipse.jdt.core.compiler.InvalidInputException; | |
| import org.eclipse.jdt.internal.compiler.*; | |
| import org.eclipse.jdt.internal.compiler.env.*; | |
| import org.eclipse.jdt.internal.codeassist.impl.*; | |
| import org.eclipse.core.resources.IMarker; | |
| import org.eclipse.core.resources.ResourcesPlugin; | |
| import org.eclipse.core.runtime.CoreException; | |
| import org.eclipse.jdt.core.ICompletionRequestor; | |
| import org.eclipse.jdt.core.IJavaModelMarker; | |
| import org.eclipse.jdt.core.IType; | |
| import org.eclipse.jdt.core.JavaCore; | |
| import org.eclipse.jdt.core.JavaModelException; | |
| import org.eclipse.jdt.core.Signature; | |
| import org.eclipse.jdt.core.compiler.*; | |
| import org.eclipse.jdt.core.compiler.IProblem; | |
| import org.eclipse.jdt.internal.codeassist.complete.*; | |
| import org.eclipse.jdt.internal.compiler.ast.*; | |
| import org.eclipse.jdt.internal.compiler.lookup.*; | |
| import org.eclipse.jdt.internal.compiler.parser.*; | |
| import org.eclipse.jdt.internal.compiler.problem.*; | |
| import org.eclipse.jdt.internal.compiler.util.*; | |
| import org.eclipse.jdt.internal.core.BasicCompilationUnit; | |
| import org.eclipse.jdt.internal.core.TypeConverter; | |
| import org.eclipse.jdt.internal.compiler.impl.*; | |
| /** | |
| * This class is the entry point for source completions. | |
| * It contains two public APIs used to call CodeAssist on a given source with | |
| * a given environment, assisting position and storage (and possibly options). | |
| */ | |
| public final class CompletionEngine | |
| extends Engine | |
| implements ISearchRequestor, TypeConstants , ITerminalSymbols , RelevanceConstants { | |
| public static boolean DEBUG = false; | |
| private final static char[] ERROR_PATTERN = "*error*".toCharArray(); //$NON-NLS-1$ | |
| private final static char[] EXCEPTION_PATTERN = "*exception*".toCharArray(); //$NON-NLS-1$ | |
| private final static char[] SEMICOLON = new char[] { ';' }; | |
| TypeBinding[] expectedTypes; | |
| boolean assistNodeIsClass; | |
| boolean assistNodeIsException; | |
| boolean assistNodeIsInterface; | |
| AssistOptions options; | |
| CompletionParser parser; | |
| ICompletionRequestor requestor; | |
| ProblemReporter problemReporter; | |
| char[] source; | |
| char[] token; | |
| boolean resolvingImports = false; | |
| boolean insideQualifiedReference = false; | |
| int startPosition, actualCompletionPosition, endPosition, offset; | |
| HashtableOfObject knownPkgs = new HashtableOfObject(10); | |
| HashtableOfObject knownTypes = new HashtableOfObject(10); | |
| Scanner nameScanner; | |
| /* | |
| static final char[][] mainDeclarations = | |
| new char[][] { | |
| "package".toCharArray(), | |
| "import".toCharArray(), | |
| "abstract".toCharArray(), | |
| "final".toCharArray(), | |
| "public".toCharArray(), | |
| "class".toCharArray(), | |
| "interface".toCharArray()}; | |
| static final char[][] modifiers = // may want field, method, type & member type modifiers | |
| new char[][] { | |
| "abstract".toCharArray(), | |
| "final".toCharArray(), | |
| "native".toCharArray(), | |
| "public".toCharArray(), | |
| "protected".toCharArray(), | |
| "private".toCharArray(), | |
| "static".toCharArray(), | |
| "strictfp".toCharArray(), | |
| "synchronized".toCharArray(), | |
| "transient".toCharArray(), | |
| "volatile".toCharArray()}; | |
| */ | |
| static final char[][] baseTypes = new char[][] { | |
| "boolean".toCharArray(), //$NON-NLS-1$ | |
| "byte".toCharArray(), //$NON-NLS-1$ | |
| "char".toCharArray(), //$NON-NLS-1$ | |
| "double".toCharArray(), //$NON-NLS-1$ | |
| "float".toCharArray(), //$NON-NLS-1$ | |
| "int".toCharArray(), //$NON-NLS-1$ | |
| "long".toCharArray(), //$NON-NLS-1$ | |
| "short".toCharArray(), //$NON-NLS-1$ | |
| "void".toCharArray(), //$NON-NLS-1$ | |
| }; | |
| static final char[] classField = "class".toCharArray(); //$NON-NLS-1$ | |
| static final char[] lengthField = "length".toCharArray(); //$NON-NLS-1$ | |
| static final char[] THIS = "this".toCharArray(); //$NON-NLS-1$ | |
| static final char[] THROWS = "throws".toCharArray(); //$NON-NLS-1$ | |
| static InvocationSite FakeInvocationSite = new InvocationSite(){ | |
| public boolean isSuperAccess(){ return false; } | |
| public boolean isTypeAccess(){ return false; } | |
| public void setActualReceiverType(ReferenceBinding receiverType) {} | |
| public void setDepth(int depth){} | |
| public void setFieldIndex(int depth){} | |
| }; | |
| /** | |
| * The CompletionEngine is responsible for computing source completions. | |
| * | |
| * It requires a searchable name environment, which supports some | |
| * specific search APIs, and a requestor to feed back the results to a UI. | |
| * | |
| * @param nameEnvironment org.eclipse.jdt.internal.codeassist.ISearchableNameEnvironment | |
| * used to resolve type/package references and search for types/packages | |
| * based on partial names. | |
| * | |
| * @param requestor org.eclipse.jdt.internal.codeassist.ICompletionRequestor | |
| * since the engine might produce answers of various forms, the engine | |
| * is associated with a requestor able to accept all possible completions. | |
| * | |
| * @param settings java.util.Map | |
| * set of options used to configure the code assist engine. | |
| */ | |
| public CompletionEngine( | |
| ISearchableNameEnvironment nameEnvironment, | |
| ICompletionRequestor requestor, | |
| Map settings) { | |
| this.requestor = requestor; | |
| this.nameEnvironment = nameEnvironment; | |
| options = new AssistOptions(settings); | |
| CompilerOptions compilerOptions = new CompilerOptions(settings); | |
| problemReporter = new ProblemReporter( | |
| DefaultErrorHandlingPolicies.proceedWithAllProblems(), | |
| compilerOptions, | |
| new DefaultProblemFactory(Locale.getDefault()) { | |
| public void record(IProblem problem, CompilationResult unitResult, ReferenceContext referenceContext) { | |
| if (problem.isError() && (problem.getID() & IProblem.Syntax) != 0) { | |
| CompletionEngine.this.requestor.acceptError(problem); | |
| } | |
| } | |
| }); | |
| this.parser = | |
| new CompletionParser(problemReporter, compilerOptions.assertMode); | |
| this.lookupEnvironment = | |
| new LookupEnvironment(this, compilerOptions, problemReporter, nameEnvironment); | |
| this.nameScanner = | |
| new Scanner(false, false, false, compilerOptions.assertMode); | |
| } | |
| /** | |
| * One result of the search consists of a new class. | |
| * | |
| * NOTE - All package and type names are presented in their readable form: | |
| * Package names are in the form "a.b.c". | |
| * Nested type names are in the qualified form "A.M". | |
| * The default package is represented by an empty array. | |
| */ | |
| public void acceptClass(char[] packageName, char[] className, int modifiers) { | |
| char[] fullyQualifiedName = CharOperation.concat(packageName, className, '.'); | |
| char[] completionName = fullyQualifiedName; | |
| if (this.knownTypes.containsKey(completionName)) return; | |
| this.knownTypes.put(completionName, this); | |
| int relevance = R_DEFAULT; | |
| if (resolvingImports) { | |
| completionName = CharOperation.concat(completionName, SEMICOLON); | |
| relevance += computeRelevanceForCaseMatching(token, fullyQualifiedName); | |
| } else { | |
| if (!insideQualifiedReference) { | |
| if (mustQualifyType(packageName, className)) { | |
| if (packageName == null || packageName.length == 0) | |
| if (unitScope != null && unitScope.fPackage.compoundName != NoCharChar) | |
| return; // ignore types from the default package from outside it | |
| } else { | |
| completionName = className; | |
| } | |
| } | |
| relevance += computeRelevanceForCaseMatching(token, className); | |
| relevance += computeRelevanceForExpectingType(packageName, className); | |
| relevance += computeRelevanceForClass(); | |
| relevance += computeRelevanceForException(className); | |
| } | |
| requestor.acceptClass( | |
| packageName, | |
| className, | |
| completionName, | |
| modifiers, | |
| startPosition - offset, | |
| endPosition - offset, | |
| relevance); | |
| } | |
| /** | |
| * One result of the search consists of a new interface. | |
| * | |
| * NOTE - All package and type names are presented in their readable form: | |
| * Package names are in the form "a.b.c". | |
| * Nested type names are in the qualified form "A.I". | |
| * The default package is represented by an empty array. | |
| */ | |
| public void acceptInterface( | |
| char[] packageName, | |
| char[] interfaceName, | |
| int modifiers) { | |
| char[] fullyQualifiedName = CharOperation.concat(packageName, interfaceName, '.'); | |
| char[] completionName = fullyQualifiedName; | |
| if (this.knownTypes.containsKey(completionName)) return; | |
| this.knownTypes.put(completionName, this); | |
| int relevance = R_DEFAULT; | |
| if (resolvingImports) { | |
| completionName = CharOperation.concat(completionName, new char[] { ';' }); | |
| relevance += computeRelevanceForCaseMatching(token, fullyQualifiedName); | |
| } else { | |
| if (!insideQualifiedReference) { | |
| if (mustQualifyType(packageName, interfaceName)) { | |
| if (packageName == null || packageName.length == 0) | |
| if (unitScope != null && unitScope.fPackage.compoundName != NoCharChar) | |
| return; // ignore types from the default package from outside it | |
| } else { | |
| completionName = interfaceName; | |
| } | |
| } | |
| relevance += computeRelevanceForCaseMatching(token, interfaceName); | |
| relevance += computeRelevanceForExpectingType(packageName, interfaceName); | |
| relevance += computeRelevanceForInterface(); | |
| } | |
| requestor.acceptInterface( | |
| packageName, | |
| interfaceName, | |
| completionName, | |
| modifiers, | |
| startPosition - offset, | |
| endPosition - offset, | |
| relevance); | |
| } | |
| /** | |
| * One result of the search consists of a new package. | |
| * | |
| * NOTE - All package names are presented in their readable form: | |
| * Package names are in the form "a.b.c". | |
| * The default package is represented by an empty array. | |
| */ | |
| public void acceptPackage(char[] packageName) { | |
| if (this.knownPkgs.containsKey(packageName)) return; | |
| this.knownPkgs.put(packageName, this); | |
| int relevance = R_DEFAULT; | |
| relevance += computeRelevanceForCaseMatching(token, packageName); | |
| requestor.acceptPackage( | |
| packageName, | |
| resolvingImports | |
| ? CharOperation.concat(packageName, new char[] { '.', '*', ';' }) | |
| : packageName, | |
| startPosition - offset, | |
| endPosition - offset, | |
| relevance); | |
| } | |
| /** | |
| * One result of the search consists of a new type. | |
| * | |
| * NOTE - All package and type names are presented in their readable form: | |
| * Package names are in the form "a.b.c". | |
| * Nested type names are in the qualified form "A.M". | |
| * The default package is represented by an empty array. | |
| */ | |
| public void acceptType(char[] packageName, char[] typeName) { | |
| char[] fullyQualifiedName = CharOperation.concat(packageName, typeName, '.'); | |
| char[] completionName = fullyQualifiedName; | |
| if (this.knownTypes.containsKey(completionName)) return; | |
| this.knownTypes.put(completionName, this); | |
| int relevance = R_DEFAULT; | |
| if (resolvingImports) { | |
| completionName = CharOperation.concat(completionName, new char[] { ';' }); | |
| relevance += computeRelevanceForCaseMatching(token, fullyQualifiedName); | |
| } else { | |
| if (!insideQualifiedReference) { | |
| if (mustQualifyType(packageName, typeName)) { | |
| if (packageName == null || packageName.length == 0) | |
| if (unitScope != null && unitScope.fPackage.compoundName != NoCharChar) | |
| return; // ignore types from the default package from outside it | |
| } else { | |
| completionName = typeName; | |
| } | |
| } | |
| relevance += computeRelevanceForCaseMatching(token, typeName); | |
| relevance += computeRelevanceForExpectingType(packageName, typeName); | |
| } | |
| requestor.acceptType( | |
| packageName, | |
| typeName, | |
| completionName, | |
| startPosition - offset, | |
| endPosition - offset, | |
| relevance); | |
| } | |
| private void complete(AstNode astNode, Binding qualifiedBinding, Scope scope) { | |
| setSourceRange(astNode.sourceStart, astNode.sourceEnd); | |
| if(parser.assistNodeParent != null) { | |
| computeExpectedTypes(parser.assistNodeParent, scope); | |
| } | |
| // defaults... some nodes will change these | |
| if (astNode instanceof CompletionOnFieldType) { | |
| CompletionOnFieldType field = (CompletionOnFieldType) astNode; | |
| CompletionOnSingleTypeReference type = (CompletionOnSingleTypeReference) field.type; | |
| token = type.token; | |
| setSourceRange(type.sourceStart, type.sourceEnd); | |
| // findKeywords(token, modifiers, scope); // could be the start of a field, method or member type | |
| findTypesAndPackages(token, scope); | |
| if(!field.isLocalVariable && field.modifiers == CompilerModifiers.AccDefault) { | |
| findMethods(token,null,scope.enclosingSourceType(),scope,new ObjectVector(),false,false,true,null,null,false); | |
| } | |
| } else { | |
| if(astNode instanceof CompletionOnMethodReturnType) { | |
| CompletionOnMethodReturnType method = (CompletionOnMethodReturnType) astNode; | |
| SingleTypeReference type = (CompletionOnSingleTypeReference) method.returnType; | |
| token = type.token; | |
| setSourceRange(type.sourceStart, type.sourceEnd); | |
| findTypesAndPackages(token, scope); | |
| if(method.modifiers == CompilerModifiers.AccDefault) { | |
| findMethods(token,null,scope.enclosingSourceType(),scope,new ObjectVector(),false,false,true,null,null,false); | |
| } | |
| } else { | |
| if (astNode instanceof CompletionOnSingleNameReference) { | |
| token = ((CompletionOnSingleNameReference) astNode).token; | |
| findVariablesAndMethods( | |
| token, | |
| scope, | |
| (CompletionOnSingleNameReference) astNode, | |
| scope); | |
| // can be the start of a qualified type name | |
| findTypesAndPackages(token, scope); | |
| } else { | |
| if (astNode instanceof CompletionOnSingleTypeReference) { | |
| token = ((CompletionOnSingleTypeReference) astNode).token; | |
| assistNodeIsClass = astNode instanceof CompletionOnClassReference; | |
| assistNodeIsException = astNode instanceof CompletionOnExceptionReference; | |
| assistNodeIsInterface = astNode instanceof CompletionOnInterfaceReference; | |
| // can be the start of a qualified type name | |
| if (qualifiedBinding == null) { | |
| findTypesAndPackages(token, scope); | |
| } else { | |
| findMemberTypes( | |
| token, | |
| (ReferenceBinding) qualifiedBinding, | |
| scope, | |
| scope.enclosingSourceType()); | |
| } | |
| } else { | |
| if (astNode instanceof CompletionOnQualifiedNameReference) { | |
| insideQualifiedReference = true; | |
| CompletionOnQualifiedNameReference ref = | |
| (CompletionOnQualifiedNameReference) astNode; | |
| token = ref.completionIdentifier; | |
| long completionPosition = ref.sourcePositions[ref.sourcePositions.length - 1]; | |
| if (qualifiedBinding instanceof VariableBinding) { | |
| setSourceRange((int) (completionPosition >>> 32), (int) completionPosition); | |
| TypeBinding receiverType = ((VariableBinding) qualifiedBinding).type; | |
| if (receiverType != null) { | |
| findFieldsAndMethods(token, receiverType, scope, ref, scope,false); | |
| } | |
| } else { | |
| if (qualifiedBinding instanceof ReferenceBinding) { | |
| ReferenceBinding receiverType = (ReferenceBinding) qualifiedBinding; | |
| setSourceRange((int) (completionPosition >>> 32), (int) completionPosition); | |
| findMemberTypes(token, receiverType, scope, scope.enclosingSourceType()); | |
| findClassField(token, (TypeBinding) qualifiedBinding, scope); | |
| findFields( | |
| token, | |
| receiverType, | |
| scope, | |
| new ObjectVector(), | |
| new ObjectVector(), | |
| true, | |
| ref, | |
| scope, | |
| false); | |
| findMethods( | |
| token, | |
| null, | |
| receiverType, | |
| scope, | |
| new ObjectVector(), | |
| true, | |
| false, | |
| false, | |
| ref, | |
| scope, | |
| false); | |
| } else { | |
| if (qualifiedBinding instanceof PackageBinding) { | |
| setSourceRange(astNode.sourceStart, (int) completionPosition); | |
| // replace to the end of the completion identifier | |
| findTypesAndSubpackages(token, (PackageBinding) qualifiedBinding); | |
| } | |
| } | |
| } | |
| } else { | |
| if (astNode instanceof CompletionOnQualifiedTypeReference) { | |
| insideQualifiedReference = true; | |
| assistNodeIsClass = astNode instanceof CompletionOnQualifiedClassReference; | |
| assistNodeIsException = astNode instanceof CompletionOnQualifiedExceptionReference; | |
| assistNodeIsInterface = astNode instanceof CompletionOnQualifiedInterfaceReference; | |
| CompletionOnQualifiedTypeReference ref = | |
| (CompletionOnQualifiedTypeReference) astNode; | |
| token = ref.completionIdentifier; | |
| long completionPosition = ref.sourcePositions[ref.tokens.length]; | |
| // get the source positions of the completion identifier | |
| if (qualifiedBinding instanceof ReferenceBinding) { | |
| setSourceRange((int) (completionPosition >>> 32), (int) completionPosition); | |
| findMemberTypes( | |
| token, | |
| (ReferenceBinding) qualifiedBinding, | |
| scope, | |
| scope.enclosingSourceType()); | |
| } else { | |
| if (qualifiedBinding instanceof PackageBinding) { | |
| setSourceRange(astNode.sourceStart, (int) completionPosition); | |
| // replace to the end of the completion identifier | |
| findTypesAndSubpackages(token, (PackageBinding) qualifiedBinding); | |
| } | |
| } | |
| } else { | |
| if (astNode instanceof CompletionOnMemberAccess) { | |
| CompletionOnMemberAccess access = (CompletionOnMemberAccess) astNode; | |
| long completionPosition = access.nameSourcePosition; | |
| setSourceRange((int) (completionPosition >>> 32), (int) completionPosition); | |
| token = access.token; | |
| findFieldsAndMethods( | |
| token, | |
| (TypeBinding) qualifiedBinding, | |
| scope, | |
| access, | |
| scope, | |
| false); | |
| } else { | |
| if (astNode instanceof CompletionOnMessageSend) { | |
| CompletionOnMessageSend messageSend = (CompletionOnMessageSend) astNode; | |
| TypeBinding[] argTypes = | |
| computeTypes(messageSend.arguments, (BlockScope) scope); | |
| token = messageSend.selector; | |
| if (qualifiedBinding == null) { | |
| findImplicitMessageSends(token, argTypes, scope, messageSend, scope); | |
| } else { | |
| findMethods( | |
| token, | |
| argTypes, | |
| (ReferenceBinding) qualifiedBinding, | |
| scope, | |
| new ObjectVector(), | |
| false, | |
| true, | |
| false, | |
| messageSend, | |
| scope, | |
| false); | |
| } | |
| } else { | |
| if (astNode instanceof CompletionOnExplicitConstructorCall) { | |
| CompletionOnExplicitConstructorCall constructorCall = | |
| (CompletionOnExplicitConstructorCall) astNode; | |
| TypeBinding[] argTypes = | |
| computeTypes(constructorCall.arguments, (BlockScope) scope); | |
| findConstructors( | |
| (ReferenceBinding) qualifiedBinding, | |
| argTypes, | |
| scope, | |
| constructorCall, | |
| false); | |
| } else { | |
| if (astNode instanceof CompletionOnQualifiedAllocationExpression) { | |
| CompletionOnQualifiedAllocationExpression allocExpression = | |
| (CompletionOnQualifiedAllocationExpression) astNode; | |
| TypeBinding[] argTypes = | |
| computeTypes(allocExpression.arguments, (BlockScope) scope); | |
| ReferenceBinding ref = (ReferenceBinding) qualifiedBinding; | |
| if(ref.isClass()) { | |
| if(!ref.isAbstract()) { | |
| findConstructors( | |
| ref, | |
| argTypes, | |
| scope, | |
| allocExpression, | |
| false); | |
| } | |
| } | |
| if(!ref.isFinal()){ | |
| findAnonymousType( | |
| ref, | |
| argTypes, | |
| scope, | |
| allocExpression); | |
| } | |
| } else { | |
| if (astNode instanceof CompletionOnClassLiteralAccess) { | |
| CompletionOnClassLiteralAccess access = (CompletionOnClassLiteralAccess) astNode; | |
| setSourceRange(access.classStart, access.sourceEnd); | |
| token = access.completionIdentifier; | |
| findClassField(token, (TypeBinding) qualifiedBinding, scope); | |
| } else { | |
| if(astNode instanceof CompletionOnMethodName) { | |
| CompletionOnMethodName method = (CompletionOnMethodName) astNode; | |
| setSourceRange(method.sourceStart, method.selectorEnd); | |
| FieldBinding[] fields = scope.enclosingSourceType().fields(); | |
| char[][] excludeNames = new char[fields.length][]; | |
| for(int i = 0 ; i < fields.length ; i++){ | |
| excludeNames[i] = fields[i].name; | |
| } | |
| token = method.selector; | |
| findVariableNames(token, method.returnType, excludeNames); | |
| } else { | |
| if (astNode instanceof CompletionOnFieldName) { | |
| CompletionOnFieldName field = (CompletionOnFieldName) astNode; | |
| FieldBinding[] fields = scope.enclosingSourceType().fields(); | |
| char[][] excludeNames = new char[fields.length][]; | |
| for(int i = 0 ; i < fields.length ; i++){ | |
| excludeNames[i] = fields[i].name; | |
| } | |
| token = field.realName; | |
| findVariableNames(field.realName, field.type, excludeNames); | |
| } else { | |
| if (astNode instanceof CompletionOnLocalName || | |
| astNode instanceof CompletionOnArgumentName){ | |
| LocalDeclaration variable = (LocalDeclaration) astNode; | |
| LocalVariableBinding[] locals = ((BlockScope)scope).locals; | |
| char[][] excludeNames = new char[locals.length][]; | |
| int localCount = 0; | |
| for(int i = 0 ; i < locals.length ; i++){ | |
| if(locals[i] != null) { | |
| excludeNames[localCount++] = locals[i].name; | |
| } | |
| } | |
| System.arraycopy(excludeNames, 0, excludeNames = new char[localCount][], 0, localCount); | |
| if(variable instanceof CompletionOnLocalName){ | |
| token = ((CompletionOnLocalName) variable).realName; | |
| } else { | |
| token = ((CompletionOnArgumentName) variable).realName; | |
| } | |
| findVariableNames(token, variable.type, excludeNames); | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| public void complete(IType type, char[] snippet, int position, char[][] localVariableTypeNames, char[][] localVariableNames, int[] localVariableModifiers, boolean isStatic){ | |
| TypeConverter converter = new TypeConverter(); | |
| IType topLevelType = type; | |
| while(topLevelType.getDeclaringType() != null) { | |
| topLevelType = topLevelType.getDeclaringType(); | |
| } | |
| CompilationResult compilationResult = new CompilationResult((topLevelType.getElementName() + ".java").toCharArray(), 1, 1); //$NON-NLS-1$ | |
| CompilationUnitDeclaration compilationUnit = new CompilationUnitDeclaration(problemReporter, compilationResult, 0); | |
| try { | |
| TypeDeclaration typeDeclaration = converter.buildTypeDeclaration(type, compilationUnit, compilationResult, problemReporter); | |
| if(typeDeclaration != null) { | |
| // build AST from snippet | |
| Initializer fakeInitializer = parseSnippeInitializer(snippet, position, localVariableTypeNames, localVariableNames, localVariableModifiers, isStatic); | |
| // merge AST | |
| FieldDeclaration[] oldFields = typeDeclaration.fields; | |
| FieldDeclaration[] newFields = new FieldDeclaration[oldFields.length + 1]; | |
| System.arraycopy(oldFields, 0, newFields, 0, oldFields.length); | |
| newFields[oldFields.length] = fakeInitializer; | |
| typeDeclaration.fields = newFields; | |
| if(DEBUG) { | |
| System.out.println("SNIPPET COMPLETION AST :"); //$NON-NLS-1$ | |
| System.out.println(compilationUnit.toString()); | |
| } | |
| if (compilationUnit.types != null) { | |
| try { | |
| lookupEnvironment.buildTypeBindings(compilationUnit); | |
| if ((unitScope = compilationUnit.scope) != null) { | |
| lookupEnvironment.completeTypeBindings(compilationUnit, true); | |
| compilationUnit.scope.faultInTypes(); | |
| compilationUnit.resolve(); | |
| } | |
| } catch (CompletionNodeFound e) { | |
| // completionNodeFound = true; | |
| if (e.astNode != null) { | |
| // if null then we found a problem in the completion node | |
| complete(e.astNode, e.qualifiedBinding, e.scope); | |
| } | |
| } | |
| } | |
| } | |
| } catch(JavaModelException e) { | |
| // Do nothing | |
| } | |
| } | |
| private Initializer parseSnippeInitializer(char[] snippet, int position, char[][] localVariableTypeNames, char[][] localVariableNames, int[] localVariableModifiers, boolean isStatic){ | |
| StringBuffer prefix = new StringBuffer(); | |
| prefix.append("public class FakeType {\n "); //$NON-NLS-1$ | |
| if(isStatic) { | |
| prefix.append("static "); //$NON-NLS-1$ | |
| } | |
| prefix.append("{\n"); //$NON-NLS-1$ | |
| for (int i = 0; i < localVariableTypeNames.length; i++) { | |
| prefix.append(AstNode.modifiersString(localVariableModifiers[i])); | |
| prefix.append(' '); | |
| prefix.append(localVariableTypeNames[i]); | |
| prefix.append(' '); | |
| prefix.append(localVariableNames[i]); | |
| prefix.append(';'); | |
| } | |
| char[] fakeSource = CharOperation.concat(prefix.toString().toCharArray(), snippet, "}}".toCharArray());//$NON-NLS-1$ | |
| offset = prefix.length(); | |
| String encoding = (String) JavaCore.getOptions().get(CompilerOptions.OPTION_Encoding); | |
| if ("".equals(encoding)) encoding = null; //$NON-NLS-1$ | |
| BasicCompilationUnit fakeUnit = new BasicCompilationUnit( | |
| fakeSource, | |
| null, | |
| "FakeType.java", //$NON-NLS-1$ | |
| encoding); | |
| actualCompletionPosition = prefix.length() + position - 1; | |
| CompilationResult fakeResult = new CompilationResult(fakeUnit, 1, 1); | |
| CompilationUnitDeclaration fakeAST = parser.dietParse(fakeUnit, fakeResult, actualCompletionPosition); | |
| parseMethod(fakeAST, actualCompletionPosition); | |
| return (Initializer)fakeAST.types[0].fields[0]; | |
| } | |
| /** | |
| * Ask the engine to compute a completion at the specified position | |
| * of the given compilation unit. | |
| * | |
| * @return void | |
| * completion results are answered through a requestor. | |
| * | |
| * @param sourceUnit org.eclipse.jdt.internal.compiler.env.ICompilationUnit | |
| * the source of the current compilation unit. | |
| * | |
| * @param completionPosition int | |
| * a position in the source where the completion is taking place. | |
| * This position is relative to the source provided. | |
| */ | |
| public void complete(ICompilationUnit sourceUnit, int completionPosition, int offset) { | |
| if(DEBUG) { | |
| System.out.print("COMPLETION IN "); //$NON-NLS-1$ | |
| System.out.print(sourceUnit.getFileName()); | |
| System.out.print(" AT POSITION "); //$NON-NLS-1$ | |
| System.out.println(completionPosition); | |
| System.out.println("COMPLETION - Source :"); //$NON-NLS-1$ | |
| System.out.println(sourceUnit.getContents()); | |
| } | |
| try { | |
| actualCompletionPosition = completionPosition - 1; | |
| this.offset = offset; | |
| // for now until we can change the UI. | |
| CompilationResult result = new CompilationResult(sourceUnit, 1, 1); | |
| CompilationUnitDeclaration parsedUnit = parser.dietParse(sourceUnit, result, actualCompletionPosition); | |
| // boolean completionNodeFound = false; | |
| if (parsedUnit != null) { | |
| if(DEBUG) { | |
| System.out.println("COMPLETION - Diet AST :"); //$NON-NLS-1$ | |
| System.out.println(parsedUnit.toString()); | |
| } | |
| // scan the package & import statements first | |
| if (parsedUnit.currentPackage instanceof CompletionOnPackageReference) { | |
| findPackages((CompletionOnPackageReference) parsedUnit.currentPackage); | |
| return; | |
| } | |
| ImportReference[] imports = parsedUnit.imports; | |
| if (imports != null) { | |
| for (int i = 0, length = imports.length; i < length; i++) { | |
| ImportReference importReference = imports[i]; | |
| if (importReference instanceof CompletionOnImportReference) { | |
| findImports((CompletionOnImportReference) importReference); | |
| return; | |
| } | |
| } | |
| } | |
| if (parsedUnit.types != null) { | |
| try { | |
| lookupEnvironment.buildTypeBindings(parsedUnit); | |
| if ((unitScope = parsedUnit.scope) != null) { | |
| source = sourceUnit.getContents(); | |
| lookupEnvironment.completeTypeBindings(parsedUnit, true); | |
| parsedUnit.scope.faultInTypes(); | |
| parseMethod(parsedUnit, actualCompletionPosition); | |
| if(DEBUG) { | |
| System.out.println("COMPLETION - AST :"); //$NON-NLS-1$ | |
| System.out.println(parsedUnit.toString()); | |
| } | |
| parsedUnit.resolve(); | |
| } | |
| } catch (CompletionNodeFound e) { | |
| // completionNodeFound = true; | |
| if (e.astNode != null) { | |
| if(DEBUG) { | |
| System.out.print("COMPLETION - Completion node : "); //$NON-NLS-1$ | |
| System.out.println(e.astNode.toString()); | |
| } | |
| // if null then we found a problem in the completion node | |
| complete(e.astNode, e.qualifiedBinding, e.scope); | |
| } | |
| } | |
| } | |
| } | |
| /* Ignore package, import, class & interface keywords for now... | |
| if (!completionNodeFound) { | |
| if (parsedUnit == null || parsedUnit.types == null) { | |
| // this is not good enough... can still be trying to define a second type | |
| CompletionScanner scanner = (CompletionScanner) parser.scanner; | |
| setSourceRange(scanner.completedIdentifierStart, scanner.completedIdentifierEnd); | |
| findKeywords(scanner.completionIdentifier, mainDeclarations, null); | |
| } | |
| // currently have no way to know if extends/implements are possible keywords | |
| } | |
| */ | |
| } catch (IndexOutOfBoundsException e) { // work-around internal failure - 1GEMF6D | |
| } catch (InvalidCursorLocation e) { // may eventually report a usefull error | |
| } catch (AbortCompilation e) { // ignore this exception for now since it typically means we cannot find java.lang.Object | |
| } catch (CompletionNodeFound e){ // internal failure - bugs 5618 | |
| } finally { | |
| reset(); | |
| } | |
| } | |
| private TypeBinding[] computeTypes(Expression[] arguments, BlockScope scope) { | |
| if (arguments == null) | |
| return null; | |
| int argsLength = arguments.length; | |
| TypeBinding[] argTypes = new TypeBinding[argsLength]; | |
| for (int a = argsLength; --a >= 0;) | |
| argTypes[a] = arguments[a].resolveType(scope); | |
| return argTypes; | |
| } | |
| private void findAnonymousType( | |
| ReferenceBinding currentType, | |
| TypeBinding[] argTypes, | |
| Scope scope, | |
| InvocationSite invocationSite) { | |
| if (currentType.isInterface()) { | |
| char[] completion = TypeConstants.NoChar; | |
| // nothing to insert - do not want to replace the existing selector & arguments | |
| if (source == null | |
| || source.length <= endPosition | |
| || source[endPosition] != ')') | |
| completion = new char[] { ')' }; | |
| requestor.acceptAnonymousType( | |
| currentType.qualifiedPackageName(), | |
| currentType.qualifiedSourceName(), | |
| TypeConstants.NoCharChar, | |
| TypeConstants.NoCharChar, | |
| TypeConstants.NoCharChar, | |
| completion, | |
| IConstants.AccPublic, | |
| endPosition - offset, | |
| endPosition - offset, | |
| R_DEFAULT); | |
| } else { | |
| findConstructors( | |
| currentType, | |
| argTypes, | |
| scope, | |
| invocationSite, | |
| true); | |
| } | |
| } | |
| private void findClassField(char[] token, TypeBinding receiverType, Scope scope) { | |
| if (token == null) | |
| return; | |
| if (token.length <= classField.length | |
| && CharOperation.prefixEquals(token, classField, false /* ignore case */ | |
| )) { | |
| int relevance = R_DEFAULT; | |
| relevance += computeRelevanceForCaseMatching(token, classField); | |
| relevance += computeRelevanceForExpectingType(scope.getJavaLangClass()); | |
| requestor.acceptField( | |
| NoChar, | |
| NoChar, | |
| classField, | |
| NoChar, | |
| NoChar, | |
| classField, | |
| CompilerModifiers.AccStatic | CompilerModifiers.AccPublic, | |
| startPosition - offset, | |
| endPosition - offset, | |
| relevance); | |
| } | |
| } | |
| private void findConstructors( | |
| ReferenceBinding currentType, | |
| TypeBinding[] argTypes, | |
| Scope scope, | |
| InvocationSite invocationSite, | |
| boolean forAnonymousType) { | |
| // No visibility checks can be performed without the scope & invocationSite | |
| MethodBinding[] methods = currentType.availableMethods(); | |
| if(methods != null) { | |
| int minArgLength = argTypes == null ? 0 : argTypes.length; | |
| next : for (int f = methods.length; --f >= 0;) { | |
| MethodBinding constructor = methods[f]; | |
| if (constructor.isConstructor()) { | |
| if (constructor.isSynthetic()) continue next; | |
| if (options.checkVisibility | |
| && !constructor.canBeSeenBy(invocationSite, scope)) continue next; | |
| TypeBinding[] parameters = constructor.parameters; | |
| int paramLength = parameters.length; | |
| if (minArgLength > paramLength) | |
| continue next; | |
| for (int a = minArgLength; --a >= 0;) | |
| if (argTypes[a] != null) // can be null if it could not be resolved properly | |
| if (!scope.areTypesCompatible(argTypes[a], constructor.parameters[a])) | |
| continue next; | |
| char[][] parameterPackageNames = new char[paramLength][]; | |
| char[][] parameterTypeNames = new char[paramLength][]; | |
| for (int i = 0; i < paramLength; i++) { | |
| TypeBinding type = parameters[i]; | |
| parameterPackageNames[i] = type.qualifiedPackageName(); | |
| parameterTypeNames[i] = type.qualifiedSourceName(); | |
| } | |
| char[][] parameterNames = findMethodParameterNames(constructor,parameterTypeNames); | |
| char[] completion = TypeConstants.NoChar; | |
| // nothing to insert - do not want to replace the existing selector & arguments | |
| if (source == null | |
| || source.length <= endPosition | |
| || source[endPosition] != ')') | |
| completion = new char[] { ')' }; | |
| if(forAnonymousType){ | |
| requestor.acceptAnonymousType( | |
| currentType.qualifiedPackageName(), | |
| currentType.qualifiedSourceName(), | |
| parameterPackageNames, | |
| parameterTypeNames, | |
| parameterNames, | |
| completion, | |
| constructor.modifiers, | |
| endPosition - offset, | |
| endPosition - offset, | |
| R_DEFAULT); | |
| } else { | |
| requestor.acceptMethod( | |
| currentType.qualifiedPackageName(), | |
| currentType.qualifiedSourceName(), | |
| currentType.sourceName(), | |
| parameterPackageNames, | |
| parameterTypeNames, | |
| parameterNames, | |
| TypeConstants.NoChar, | |
| TypeConstants.NoChar, | |
| completion, | |
| constructor.modifiers, | |
| endPosition - offset, | |
| endPosition - offset, | |
| R_DEFAULT); | |
| } | |
| } | |
| } | |
| } | |
| } | |
| // Helper method for findFields(char[], ReferenceBinding, Scope, ObjectVector, boolean) | |
| private void findFields( | |
| char[] fieldName, | |
| FieldBinding[] fields, | |
| Scope scope, | |
| ObjectVector fieldsFound, | |
| ObjectVector localsFound, | |
| boolean onlyStaticFields, | |
| ReferenceBinding receiverType, | |
| InvocationSite invocationSite, | |
| Scope invocationScope, | |
| boolean implicitCall) { | |
| // Inherited fields which are hidden by subclasses are filtered out | |
| // No visibility checks can be performed without the scope & invocationSite | |
| int fieldLength = fieldName.length; | |
| next : for (int f = fields.length; --f >= 0;) { | |
| FieldBinding field = fields[f]; | |
| if (field.isSynthetic()) continue next; | |
| if (onlyStaticFields && !field.isStatic()) continue next; | |
| if (fieldLength > field.name.length) continue next; | |
| if (!CharOperation.prefixEquals(fieldName, field.name, false /* ignore case */)) continue next; | |
| if (options.checkVisibility | |
| && !field.canBeSeenBy(receiverType, invocationSite, scope)) continue next; | |
| boolean prefixRequired = false; | |
| for (int i = fieldsFound.size; --i >= 0;) { | |
| Object[] other = (Object[])fieldsFound.elementAt(i); | |
| FieldBinding otherField = (FieldBinding) other[0]; | |
| ReferenceBinding otherReceiverType = (ReferenceBinding) other[1]; | |
| if (field == otherField && receiverType == otherReceiverType) | |
| continue next; | |
| if (CharOperation.equals(field.name, otherField.name, true)) { | |
| if (field.declaringClass.isSuperclassOf(otherField.declaringClass)) | |
| continue next; | |
| if (otherField.declaringClass.isInterface()) | |
| if (field.declaringClass.implementsInterface(otherField.declaringClass, true)) | |
| continue next; | |
| prefixRequired = true; | |
| } | |
| } | |
| for (int l = localsFound.size; --l >= 0;) { | |
| LocalVariableBinding local = (LocalVariableBinding) localsFound.elementAt(l); | |
| if (CharOperation.equals(field.name, local.name, true)) { | |
| SourceTypeBinding declarationType = scope.enclosingSourceType(); | |
| if (declarationType.isAnonymousType() && declarationType != invocationScope.enclosingSourceType()) { | |
| continue next; | |
| } | |
| prefixRequired = true; | |
| break; | |
| } | |
| } | |
| fieldsFound.add(new Object[]{field, receiverType}); | |
| char[] completion = field.name; | |
| if(prefixRequired || options.forceImplicitQualification){ | |
| char[] prefix = computePrefix(scope.enclosingSourceType(), invocationScope.enclosingSourceType(), field.isStatic()); | |
| completion = CharOperation.concat(prefix,completion,'.'); | |
| } | |
| int relevance = R_DEFAULT; | |
| relevance += computeRelevanceForCaseMatching(fieldName, field.name); | |
| relevance += computeRelevanceForExpectingType(field.type); | |
| requestor | |
| .acceptField( | |
| field.declaringClass.qualifiedPackageName(), | |
| field.declaringClass.qualifiedSourceName(), | |
| field.name, | |
| field.type.qualifiedPackageName(), | |
| field.type.qualifiedSourceName(), | |
| completion, | |
| // may include some qualification to resolve ambiguities | |
| field.modifiers, startPosition - offset, endPosition - offset, | |
| relevance); | |
| } | |
| } | |
| private void findFields( | |
| char[] fieldName, | |
| ReferenceBinding receiverType, | |
| Scope scope, | |
| ObjectVector fieldsFound, | |
| ObjectVector localsFound, | |
| boolean onlyStaticFields, | |
| InvocationSite invocationSite, | |
| Scope invocationScope, | |
| boolean implicitCall) { | |
| if (fieldName == null) | |
| return; | |
| ReferenceBinding currentType = receiverType; | |
| ReferenceBinding[][] interfacesToVisit = null; | |
| int lastPosition = -1; | |
| do { | |
| ReferenceBinding[] itsInterfaces = currentType.superInterfaces(); | |
| if (itsInterfaces != NoSuperInterfaces) { | |
| if (interfacesToVisit == null) | |
| interfacesToVisit = new ReferenceBinding[5][]; | |
| if (++lastPosition == interfacesToVisit.length) | |
| System.arraycopy( | |
| interfacesToVisit, | |
| 0, | |
| interfacesToVisit = new ReferenceBinding[lastPosition * 2][], | |
| 0, | |
| lastPosition); | |
| interfacesToVisit[lastPosition] = itsInterfaces; | |
| } | |
| FieldBinding[] fields = currentType.availableFields(); | |
| if(fields != null) { | |
| findFields( | |
| fieldName, | |
| fields, | |
| scope, | |
| fieldsFound, | |
| localsFound, | |
| onlyStaticFields, | |
| receiverType, | |
| invocationSite, | |
| invocationScope, | |
| implicitCall); | |
| } | |
| currentType = currentType.superclass(); | |
| } while (currentType != null); | |
| if (interfacesToVisit != null) { | |
| for (int i = 0; i <= lastPosition; i++) { | |
| ReferenceBinding[] interfaces = interfacesToVisit[i]; | |
| for (int j = 0, length = interfaces.length; j < length; j++) { | |
| ReferenceBinding anInterface = interfaces[j]; | |
| if ((anInterface.tagBits & TagBits.InterfaceVisited) == 0) { | |
| // if interface as not already been visited | |
| anInterface.tagBits |= TagBits.InterfaceVisited; | |
| FieldBinding[] fields = anInterface.availableFields(); | |
| if(fields != null) { | |
| findFields( | |
| fieldName, | |
| fields, | |
| scope, | |
| fieldsFound, | |
| localsFound, | |
| onlyStaticFields, | |
| receiverType, | |
| invocationSite, | |
| invocationScope, | |
| implicitCall); | |
| } | |
| ReferenceBinding[] itsInterfaces = anInterface.superInterfaces(); | |
| if (itsInterfaces != NoSuperInterfaces) { | |
| if (++lastPosition == interfacesToVisit.length) | |
| System.arraycopy( | |
| interfacesToVisit, | |
| 0, | |
| interfacesToVisit = new ReferenceBinding[lastPosition * 2][], | |
| 0, | |
| lastPosition); | |
| interfacesToVisit[lastPosition] = itsInterfaces; | |
| } | |
| } | |
| } | |
| } | |
| // bit reinitialization | |
| for (int i = 0; i <= lastPosition; i++) { | |
| ReferenceBinding[] interfaces = interfacesToVisit[i]; | |
| for (int j = 0, length = interfaces.length; j < length; j++) | |
| interfaces[j].tagBits &= ~TagBits.InterfaceVisited; | |
| } | |
| } | |
| } | |
| private void findFieldsAndMethods( | |
| char[] token, | |
| TypeBinding receiverType, | |
| Scope scope, | |
| InvocationSite invocationSite, | |
| Scope invocationScope, | |
| boolean implicitCall) { | |
| if (token == null) | |
| return; | |
| if (receiverType.isBaseType()) | |
| return; // nothing else is possible with base types | |
| if (receiverType.isArrayType()) { | |
| if (token.length <= lengthField.length | |
| && CharOperation.prefixEquals(token, lengthField, false /* ignore case */ | |
| )) { | |
| int relevance = R_DEFAULT; | |
| relevance += computeRelevanceForCaseMatching(token,lengthField); | |
| relevance += computeRelevanceForExpectingType(BaseTypes.IntBinding); | |
| requestor.acceptField( | |
| NoChar, | |
| NoChar, | |
| lengthField, | |
| NoChar, | |
| NoChar, | |
| lengthField, | |
| CompilerModifiers.AccPublic, | |
| startPosition - offset, | |
| endPosition - offset, | |
| relevance); | |
| } | |
| receiverType = scope.getJavaLangObject(); | |
| } | |
| findFields( | |
| token, | |
| (ReferenceBinding) receiverType, | |
| scope, | |
| new ObjectVector(), | |
| new ObjectVector(), | |
| false, | |
| invocationSite, | |
| invocationScope, | |
| implicitCall); | |
| findMethods( | |
| token, | |
| null, | |
| (ReferenceBinding) receiverType, | |
| scope, | |
| new ObjectVector(), | |
| false, | |
| false, | |
| false, | |
| invocationSite, | |
| invocationScope, | |
| implicitCall); | |
| } | |
| private void findImports(CompletionOnImportReference importReference) { | |
| char[][] tokens = importReference.tokens; | |
| char[] importName = CharOperation.concatWith(tokens, '.'); | |
| if (importName.length == 0) | |
| return; | |
| char[] lastToken = tokens[tokens.length - 1]; | |
| if(lastToken != null && lastToken.length == 0) | |
| importName = CharOperation.concat(importName, new char[]{'.'}); | |
| resolvingImports = true; | |
| setSourceRange( | |
| importReference.sourceStart, | |
| importReference.declarationSourceEnd); | |
| token = importName; | |
| // want to replace the existing .*; | |
| nameEnvironment.findPackages(importName, this); | |
| nameEnvironment.findTypes(importName, this); | |
| } | |
| // what about onDemand types? Ignore them since it does not happen! | |
| // import p1.p2.A.*; | |
| private void findKeywords(char[] keyword, char[][] choices, Scope scope) { | |
| int length = keyword.length; | |
| if (length > 0) | |
| for (int i = 0; i < choices.length; i++) | |
| if (length <= choices[i].length | |
| && CharOperation.prefixEquals(keyword, choices[i], false /* ignore case */ | |
| )){ | |
| int relevance = R_DEFAULT; | |
| relevance += computeRelevanceForCaseMatching(keyword, choices[i]); | |
| requestor.acceptKeyword(choices[i], startPosition - offset, endPosition - offset,relevance); | |
| } | |
| } | |
| // Helper method for findMemberTypes(char[], ReferenceBinding, Scope) | |
| private void findMemberTypes( | |
| char[] typeName, | |
| ReferenceBinding[] memberTypes, | |
| ObjectVector typesFound, | |
| ReferenceBinding receiverType, | |
| SourceTypeBinding invocationType) { | |
| // Inherited member types which are hidden by subclasses are filtered out | |
| // No visibility checks can be performed without the scope & invocationSite | |
| int typeLength = typeName.length; | |
| next : for (int m = memberTypes.length; --m >= 0;) { | |
| ReferenceBinding memberType = memberTypes[m]; | |
| // if (!wantClasses && memberType.isClass()) continue next; | |
| // if (!wantInterfaces && memberType.isInterface()) continue next; | |
| if (typeLength > memberType.sourceName.length) | |
| continue next; | |
| if (!CharOperation.prefixEquals(typeName, memberType.sourceName, false | |
| /* ignore case */ | |
| )) | |
| continue next; | |
| if (options.checkVisibility | |
| && !memberType.canBeSeenBy(receiverType, invocationType)) | |
| continue next; | |
| for (int i = typesFound.size; --i >= 0;) { | |
| ReferenceBinding otherType = (ReferenceBinding) typesFound.elementAt(i); | |
| if (memberType == otherType) | |
| continue next; | |
| if (CharOperation.equals(memberType.sourceName, otherType.sourceName, true)) { | |
| if (memberType.enclosingType().isSuperclassOf(otherType.enclosingType())) | |
| continue next; | |
| if (otherType.enclosingType().isInterface()) | |
| if (memberType.enclosingType() | |
| .implementsInterface(otherType.enclosingType(), true)) | |
| continue next; | |
| } | |
| } | |
| typesFound.add(memberType); | |
| int relevance = R_DEFAULT; | |
| relevance += computeRelevanceForCaseMatching(typeName, memberType.sourceName); | |
| relevance += computeRelevanceForExpectingType(memberType); | |
| if (memberType.isClass()) { | |
| relevance += computeRelevanceForClass(); | |
| requestor.acceptClass( | |
| memberType.qualifiedPackageName(), | |
| memberType.qualifiedSourceName(), | |
| memberType.sourceName(), | |
| memberType.modifiers, | |
| startPosition - offset, | |
| endPosition - offset, | |
| relevance); | |
| } else { | |
| relevance += computeRelevanceForInterface(); | |
| requestor.acceptInterface( | |
| memberType.qualifiedPackageName(), | |
| memberType.qualifiedSourceName(), | |
| memberType.sourceName(), | |
| memberType.modifiers, | |
| startPosition - offset, | |
| endPosition - offset, | |
| relevance); | |
| } | |
| } | |
| } | |
| private void findMemberTypes( | |
| char[] typeName, | |
| ReferenceBinding receiverType, | |
| Scope scope, | |
| SourceTypeBinding typeInvocation) { | |
| ReferenceBinding currentType = receiverType; | |
| if (typeName == null) | |
| return; | |
| if (currentType.superInterfaces() == null) | |
| return; // we're trying to find a supertype | |
| ObjectVector typesFound = new ObjectVector(); | |
| if (insideQualifiedReference | |
| || typeName.length == 0) { // do not search up the hierarchy | |
| findMemberTypes( | |
| typeName, | |
| currentType.memberTypes(), | |
| typesFound, | |
| receiverType, | |
| typeInvocation); | |
| return; | |
| } | |
| ReferenceBinding[][] interfacesToVisit = null; | |
| int lastPosition = -1; | |
| do { | |
| ReferenceBinding[] itsInterfaces = currentType.superInterfaces(); | |
| if (itsInterfaces != NoSuperInterfaces) { | |
| if (interfacesToVisit == null) | |
| interfacesToVisit = new ReferenceBinding[5][]; | |
| if (++lastPosition == interfacesToVisit.length) | |
| System.arraycopy( | |
| interfacesToVisit, | |
| 0, | |
| interfacesToVisit = new ReferenceBinding[lastPosition * 2][], | |
| 0, | |
| lastPosition); | |
| interfacesToVisit[lastPosition] = itsInterfaces; | |
| } | |
| findMemberTypes( | |
| typeName, | |
| currentType.memberTypes(), | |
| typesFound, | |
| receiverType, | |
| typeInvocation); | |
| currentType = currentType.superclass(); | |
| } while (currentType != null); | |
| if (interfacesToVisit != null) { | |
| for (int i = 0; i <= lastPosition; i++) { | |
| ReferenceBinding[] interfaces = interfacesToVisit[i]; | |
| for (int j = 0, length = interfaces.length; j < length; j++) { | |
| ReferenceBinding anInterface = interfaces[j]; | |
| if ((anInterface.tagBits & TagBits.InterfaceVisited) == 0) { | |
| // if interface as not already been visited | |
| anInterface.tagBits |= TagBits.InterfaceVisited; | |
| findMemberTypes( | |
| typeName, | |
| anInterface.memberTypes(), | |
| typesFound, | |
| receiverType, | |
| typeInvocation); | |
| ReferenceBinding[] itsInterfaces = anInterface.superInterfaces(); | |
| if (itsInterfaces != NoSuperInterfaces) { | |
| if (++lastPosition == interfacesToVisit.length) | |
| System.arraycopy( | |
| interfacesToVisit, | |
| 0, | |
| interfacesToVisit = new ReferenceBinding[lastPosition * 2][], | |
| 0, | |
| lastPosition); | |
| interfacesToVisit[lastPosition] = itsInterfaces; | |
| } | |
| } | |
| } | |
| } | |
| // bit reinitialization | |
| for (int i = 0; i <= lastPosition; i++) { | |
| ReferenceBinding[] interfaces = interfacesToVisit[i]; | |
| for (int j = 0, length = interfaces.length; j < length; j++) | |
| interfaces[j].tagBits &= ~TagBits.InterfaceVisited; | |
| } | |
| } | |
| } | |
| private void findIntefacesMethods( | |
| char[] selector, | |
| TypeBinding[] argTypes, | |
| ReferenceBinding receiverType, | |
| ReferenceBinding[] itsInterfaces, | |
| Scope scope, | |
| ObjectVector methodsFound, | |
| boolean onlyStaticMethods, | |
| boolean exactMatch, | |
| boolean isCompletingDeclaration, | |
| InvocationSite invocationSite, | |
| Scope invocationScope, | |
| boolean implicitCall) { | |
| if (selector == null) | |
| return; | |
| if (itsInterfaces != NoSuperInterfaces) { | |
| ReferenceBinding[][] interfacesToVisit = new ReferenceBinding[5][]; | |
| int lastPosition = 0; | |
| interfacesToVisit[lastPosition] = itsInterfaces; | |
| for (int i = 0; i <= lastPosition; i++) { | |
| ReferenceBinding[] interfaces = interfacesToVisit[i]; | |
| for (int j = 0, length = interfaces.length; j < length; j++) { | |
| ReferenceBinding currentType = interfaces[j]; | |
| if ((currentType.tagBits & TagBits.InterfaceVisited) == 0) { | |
| // if interface as not already been visited | |
| currentType.tagBits |= TagBits.InterfaceVisited; | |
| MethodBinding[] methods = currentType.availableMethods(); | |
| if(methods != null) { | |
| if(isCompletingDeclaration){ | |
| findLocalMethodDeclarations( | |
| selector, | |
| methods, | |
| scope, | |
| methodsFound, | |
| onlyStaticMethods, | |
| exactMatch, | |
| receiverType); | |
| } else { | |
| findLocalMethods( | |
| selector, | |
| argTypes, | |
| methods, | |
| scope, | |
| methodsFound, | |
| onlyStaticMethods, | |
| exactMatch, | |
| receiverType, | |
| invocationSite, | |
| invocationScope, | |
| implicitCall); | |
| } | |
| } | |
| itsInterfaces = currentType.superInterfaces(); | |
| if (itsInterfaces != NoSuperInterfaces) { | |
| if (++lastPosition == interfacesToVisit.length) | |
| System.arraycopy( | |
| interfacesToVisit, | |
| 0, | |
| interfacesToVisit = new ReferenceBinding[lastPosition * 2][], | |
| 0, | |
| lastPosition); | |
| interfacesToVisit[lastPosition] = itsInterfaces; | |
| } | |
| } | |
| } | |
| } | |
| // bit reinitialization | |
| for (int i = 0; i <= lastPosition; i++) { | |
| ReferenceBinding[] interfaces = interfacesToVisit[i]; | |
| for (int j = 0, length = interfaces.length; j < length; j++){ | |
| interfaces[j].tagBits &= ~TagBits.InterfaceVisited; | |
| } | |
| } | |
| } | |
| } | |
| private void findImplicitMessageSends( | |
| char[] token, | |
| TypeBinding[] argTypes, | |
| Scope scope, | |
| InvocationSite invocationSite, | |
| Scope invocationScope) { | |
| if (token == null) | |
| return; | |
| boolean staticsOnly = false; | |
| // need to know if we're in a static context (or inside a constructor) | |
| ObjectVector methodsFound = new ObjectVector(); | |
| done : while (true) { // done when a COMPILATION_UNIT_SCOPE is found | |
| switch (scope.kind) { | |
| case Scope.METHOD_SCOPE : | |
| // handle the error case inside an explicit constructor call (see MethodScope>>findField) | |
| MethodScope methodScope = (MethodScope) scope; | |
| staticsOnly |= methodScope.isStatic | methodScope.isConstructorCall; | |
| break; | |
| case Scope.CLASS_SCOPE : | |
| ClassScope classScope = (ClassScope) scope; | |
| SourceTypeBinding enclosingType = classScope.referenceContext.binding; | |
| findMethods( | |
| token, | |
| argTypes, | |
| enclosingType, | |
| classScope, | |
| methodsFound, | |
| staticsOnly, | |
| true, | |
| false, | |
| invocationSite, | |
| invocationScope, | |
| true); | |
| staticsOnly |= enclosingType.isStatic(); | |
| break; | |
| case Scope.COMPILATION_UNIT_SCOPE : | |
| break done; | |
| } | |
| scope = scope.parent; | |
| } | |
| } | |
| // Helper method for findMethods(char[], TypeBinding[], ReferenceBinding, Scope, ObjectVector, boolean, boolean, boolean) | |
| private void findLocalMethods( | |
| char[] methodName, | |
| TypeBinding[] argTypes, | |
| MethodBinding[] methods, | |
| Scope scope, | |
| ObjectVector methodsFound, | |
| boolean onlyStaticMethods, | |
| boolean exactMatch, | |
| ReferenceBinding receiverType, | |
| InvocationSite invocationSite, | |
| Scope invocationScope, | |
| boolean implicitCall) { | |
| // Inherited methods which are hidden by subclasses are filtered out | |
| // No visibility checks can be performed without the scope & invocationSite | |
| int methodLength = methodName.length; | |
| int minArgLength = argTypes == null ? 0 : argTypes.length; | |
| next : for (int f = methods.length; --f >= 0;) { | |
| MethodBinding method = methods[f]; | |
| if (method.isSynthetic()) continue next; | |
| if (method.isDefaultAbstract()) continue next; | |
| if (method.isConstructor()) continue next; | |
| // if (noVoidReturnType && method.returnType == BaseTypes.VoidBinding) continue next; | |
| if (onlyStaticMethods && !method.isStatic()) continue next; | |
| if (options.checkVisibility | |
| && !method.canBeSeenBy(receiverType, invocationSite, scope)) continue next; | |
| if (exactMatch) { | |
| if (!CharOperation.equals(methodName, method.selector, false /* ignore case */ | |
| )) | |
| continue next; | |
| } else { | |
| if (methodLength > method.selector.length) | |
| continue next; | |
| if (!CharOperation.prefixEquals(methodName, method.selector, false | |
| /* ignore case */ | |
| )) | |
| continue next; | |
| } | |
| if (minArgLength > method.parameters.length) | |
| continue next; | |
| for (int a = minArgLength; --a >= 0;){ | |
| if (argTypes[a] != null){ // can be null if it could not be resolved properly | |
| if (!scope.areTypesCompatible(argTypes[a], method.parameters[a])) { | |
| continue next; | |
| } | |
| } | |
| } | |
| boolean prefixRequired = false; | |
| for (int i = methodsFound.size; --i >= 0;) { | |
| Object[] other = (Object[]) methodsFound.elementAt(i); | |
| MethodBinding otherMethod = (MethodBinding) other[0]; | |
| ReferenceBinding otherReceiverType = (ReferenceBinding) other[1]; | |
| if (method == otherMethod && receiverType == otherReceiverType) | |
| continue next; | |
| if (CharOperation.equals(method.selector, otherMethod.selector, true) | |
| && method.areParametersEqual(otherMethod)) { | |
| if (method.declaringClass.isSuperclassOf(otherMethod.declaringClass)) | |
| continue next; | |
| if (otherMethod.declaringClass.isInterface()) | |
| if (method | |
| .declaringClass | |
| .implementsInterface(otherMethod.declaringClass, true)) | |
| continue next; | |
| if (method.declaringClass.isInterface()) | |
| if(otherMethod | |
| .declaringClass | |
| .implementsInterface(method.declaringClass,true)) | |
| continue next; | |
| prefixRequired = true; | |
| } | |
| } | |
| methodsFound.add(new Object[]{method, receiverType}); | |
| int length = method.parameters.length; | |
| char[][] parameterPackageNames = new char[length][]; | |
| char[][] parameterTypeNames = new char[length][]; | |
| for (int i = 0; i < length; i++) { | |
| TypeBinding type = method.parameters[i]; | |
| parameterPackageNames[i] = type.qualifiedPackageName(); | |
| parameterTypeNames[i] = type.qualifiedSourceName(); | |
| } | |
| char[][] parameterNames = findMethodParameterNames(method,parameterTypeNames); | |
| char[] completion = TypeConstants.NoChar; | |
| int previousStartPosition = startPosition; | |
| // nothing to insert - do not want to replace the existing selector & arguments | |
| if (!exactMatch) { | |
| if (source != null | |
| && source.length > endPosition | |
| && source[endPosition] == '(') | |
| completion = method.selector; | |
| else | |
| completion = CharOperation.concat(method.selector, new char[] { '(', ')' }); | |
| } else { | |
| if(prefixRequired && (source != null)) { | |
| completion = CharOperation.subarray(source, startPosition, endPosition); | |
| } else { | |
| startPosition = endPosition; | |
| } | |
| } | |
| if(prefixRequired || options.forceImplicitQualification){ | |
| char[] prefix = computePrefix(scope.enclosingSourceType(), invocationScope.enclosingSourceType(), method.isStatic()); | |
| completion = CharOperation.concat(prefix,completion,'.'); | |
| } | |
| int relevance = R_DEFAULT; | |
| relevance += computeRelevanceForCaseMatching(methodName, method.selector); | |
| relevance += computeRelevanceForExpectingType(method.returnType); | |
| requestor.acceptMethod( | |
| method.declaringClass.qualifiedPackageName(), | |
| method.declaringClass.qualifiedSourceName(), | |
| method.selector, | |
| parameterPackageNames, | |
| parameterTypeNames, | |
| parameterNames, | |
| method.returnType.qualifiedPackageName(), | |
| method.returnType.qualifiedSourceName(), | |
| completion, | |
| method.modifiers, | |
| startPosition - offset, | |
| endPosition - offset, | |
| relevance); | |
| startPosition = previousStartPosition; | |
| } | |
| } | |
| private int computeRelevanceForCaseMatching(char[] token, char[] proposalName){ | |
| if (CharOperation.prefixEquals(token, proposalName, true /* do not ignore case */)) { | |
| return R_CASE; | |
| } else { | |
| return R_DEFAULT; | |
| } | |
| } | |
| private int computeRelevanceForClass(){ | |
| if(assistNodeIsClass) { | |
| return R_CLASS; | |
| } | |
| return 0; | |
| } | |
| private int computeRelevanceForInterface(){ | |
| if(assistNodeIsInterface) { | |
| return R_INTERFACE; | |
| } | |
| return R_DEFAULT; | |
| } | |
| private int computeRelevanceForException(char[] proposalName){ | |
| if(assistNodeIsException && | |
| (CharOperation.match(EXCEPTION_PATTERN, proposalName, false) || | |
| CharOperation.match(ERROR_PATTERN, proposalName, false))) { | |
| return R_EXCEPTION; | |
| } | |
| return R_DEFAULT; | |
| } | |
| private int computeRelevanceForExpectingType(TypeBinding proposalType){ | |
| if(expectedTypes != null && proposalType != null) { | |
| for (int i = 0; i < expectedTypes.length; i++) { | |
| if(Scope.areTypesCompatible(proposalType, expectedTypes[i])) { | |
| return R_EXPECTED_TYPE; | |
| } | |
| } | |
| } | |
| return R_DEFAULT; | |
| } | |
| private int computeRelevanceForExpectingType(char[] packageName, char[] typeName){ | |
| if(expectedTypes != null) { | |
| for (int i = 0; i < expectedTypes.length; i++) { | |
| if(CharOperation.equals(expectedTypes[i].qualifiedPackageName(), packageName) && | |
| CharOperation.equals(expectedTypes[i].qualifiedSourceName(), typeName)) { | |
| return R_EXPECTED_TYPE; | |
| } | |
| } | |
| } | |
| return R_DEFAULT; | |
| } | |
| // Helper method for findMethods(char[], MethodBinding[], Scope, ObjectVector, boolean, boolean, boolean, TypeBinding) | |
| private void findLocalMethodDeclarations( | |
| char[] methodName, | |
| MethodBinding[] methods, | |
| Scope scope, | |
| ObjectVector methodsFound, | |
| // boolean noVoidReturnType, how do you know? | |
| boolean onlyStaticMethods, | |
| boolean exactMatch, | |
| ReferenceBinding receiverType) { | |
| // Inherited methods which are hidden by subclasses are filtered out | |
| // No visibility checks can be performed without the scope & invocationSite | |
| int methodLength = methodName.length; | |
| next : for (int f = methods.length; --f >= 0;) { | |
| MethodBinding method = methods[f]; | |
| if (method.isSynthetic()) continue next; | |
| if (method.isDefaultAbstract()) continue next; | |
| if (method.isConstructor()) continue next; | |
| if (method.isFinal()) continue next; | |
| // if (noVoidReturnType && method.returnType == BaseTypes.VoidBinding) continue next; | |
| if (onlyStaticMethods && !method.isStatic()) continue next; | |
| if (options.checkVisibility | |
| && !method.canBeSeenBy(receiverType, FakeInvocationSite , scope)) continue next; | |
| if (exactMatch) { | |
| if (!CharOperation.equals(methodName, method.selector, false /* ignore case */ | |
| )) | |
| continue next; | |
| } else { | |
| if (methodLength > method.selector.length) | |
| continue next; | |
| if (!CharOperation.prefixEquals(methodName, method.selector, false | |
| /* ignore case */ | |
| )) | |
| continue next; | |
| } | |
| for (int i = methodsFound.size; --i >= 0;) { | |
| MethodBinding otherMethod = (MethodBinding) methodsFound.elementAt(i); | |
| if (method == otherMethod) | |
| continue next; | |
| if (CharOperation.equals(method.selector, otherMethod.selector, true) | |
| && method.areParametersEqual(otherMethod)) { | |
| continue next; | |
| } | |
| } | |
| methodsFound.add(method); | |
| int length = method.parameters.length; | |
| char[][] parameterPackageNames = new char[length][]; | |
| char[][] parameterTypeNames = new char[length][]; | |
| for (int i = 0; i < length; i++) { | |
| TypeBinding type = method.parameters[i]; | |
| parameterPackageNames[i] = type.qualifiedPackageName(); | |
| parameterTypeNames[i] = type.qualifiedSourceName(); | |
| } | |
| char[][] parameterNames = findMethodParameterNames(method,parameterTypeNames); | |
| StringBuffer completion = new StringBuffer(10); | |
| // flush uninteresting modifiers | |
| int insertedModifiers = method.modifiers & ~(CompilerModifiers.AccNative | CompilerModifiers.AccAbstract); | |
| if (!exactMatch) { | |
| if(insertedModifiers != CompilerModifiers.AccDefault){ | |
| completion.append(AstNode.modifiersString(insertedModifiers)); | |
| } | |
| char[] returnPackageName = method.returnType.qualifiedPackageName(); | |
| char[] returnTypeName = method.returnType.qualifiedSourceName(); | |
| if(mustQualifyType(returnPackageName, returnTypeName)) { | |
| completion.append(CharOperation.concat(returnPackageName, returnTypeName,'.')); | |
| } else { | |
| completion.append(method.returnType.sourceName()); | |
| } | |
| completion.append(' '); | |
| completion.append(method.selector); | |
| completion.append('('); | |
| for(int i = 0; i < length ; i++){ | |
| if(mustQualifyType(parameterPackageNames[i], parameterTypeNames[i])){ | |
| completion.append(CharOperation.concat(parameterPackageNames[i], parameterTypeNames[i], '.')); | |
| } else { | |
| completion.append(parameterTypeNames[i]); | |
| } | |
| completion.append(' '); | |
| if(parameterNames != null){ | |
| completion.append(parameterNames[i]); | |
| } else { | |
| completion.append('%'); | |
| } | |
| if(i != (length - 1)) | |
| completion.append(','); | |
| } | |
| completion.append(')'); | |
| ReferenceBinding[] exceptions = method.thrownExceptions; | |
| if (exceptions != null && exceptions.length > 0){ | |
| completion.append(' '); | |
| completion.append(THROWS); | |
| completion.append(' '); | |
| for(int i = 0; i < exceptions.length ; i++){ | |
| ReferenceBinding exception = exceptions[i]; | |
| char[] exceptionPackageName = exception.qualifiedPackageName(); | |
| char[] exceptionTypeName = exception.qualifiedSourceName(); | |
| if(i != 0){ | |
| completion.append(','); | |
| completion.append(' '); | |
| } | |
| if(mustQualifyType(exceptionPackageName, exceptionTypeName)){ | |
| completion.append(CharOperation.concat(exceptionPackageName, exceptionTypeName, '.')); | |
| } else { | |
| completion.append(exception.sourceName()); | |
| } | |
| } | |
| } | |
| } | |
| int relevance = R_DEFAULT; | |
| relevance += computeRelevanceForCaseMatching(methodName, method.selector); | |
| requestor.acceptMethodDeclaration( | |
| method.declaringClass.qualifiedPackageName(), | |
| method.declaringClass.qualifiedSourceName(), | |
| method.selector, | |
| parameterPackageNames, | |
| parameterTypeNames, | |
| parameterNames, | |
| method.returnType.qualifiedPackageName(), | |
| method.returnType.qualifiedSourceName(), | |
| completion.toString().toCharArray(), | |
| method.modifiers, | |
| startPosition - offset, | |
| endPosition - offset, | |
| relevance); | |
| } | |
| } | |
| private void findMethods( | |
| char[] selector, | |
| TypeBinding[] argTypes, | |
| ReferenceBinding receiverType, | |
| Scope scope, | |
| ObjectVector methodsFound, | |
| boolean onlyStaticMethods, | |
| boolean exactMatch, | |
| boolean isCompletingDeclaration, | |
| InvocationSite invocationSite, | |
| Scope invocationScope, | |
| boolean implicitCall) { | |
| if (selector == null) | |
| return; | |
| if(isCompletingDeclaration) { | |
| MethodBinding[] methods = receiverType.availableMethods(); | |
| if (methods != null){ | |
| for (int i = 0; i < methods.length; i++) { | |
| if(!methods[i].isDefaultAbstract()) { | |
| methodsFound.add(methods[i]); | |
| } | |
| } | |
| } | |
| } | |
| ReferenceBinding currentType = receiverType; | |
| if (receiverType.isInterface()) { | |
| if(isCompletingDeclaration) { | |
| findIntefacesMethods( | |
| selector, | |
| argTypes, | |
| receiverType, | |
| currentType.superInterfaces(), | |
| scope, | |
| methodsFound, | |
| onlyStaticMethods, | |
| exactMatch, | |
| isCompletingDeclaration, | |
| invocationSite, | |
| invocationScope, | |
| implicitCall); | |
| } else { | |
| findIntefacesMethods( | |
| selector, | |
| argTypes, | |
| receiverType, | |
| new ReferenceBinding[]{currentType}, | |
| scope, | |
| methodsFound, | |
| onlyStaticMethods, | |
| exactMatch, | |
| isCompletingDeclaration, | |
| invocationSite, | |
| invocationScope, | |
| implicitCall); | |
| } | |
| currentType = scope.getJavaLangObject(); | |
| } else { | |
| if(isCompletingDeclaration){ | |
| findIntefacesMethods( | |
| selector, | |
| argTypes, | |
| receiverType, | |
| currentType.superInterfaces(), | |
| scope, | |
| methodsFound, | |
| onlyStaticMethods, | |
| exactMatch, | |
| isCompletingDeclaration, | |
| invocationSite, | |
| invocationScope, | |
| implicitCall); | |
| currentType = receiverType.superclass(); | |
| } | |
| } | |
| boolean hasPotentialDefaultAbstractMethods = true; | |
| while (currentType != null) { | |
| MethodBinding[] methods = currentType.availableMethods(); | |
| if(methods != null) { | |
| if(isCompletingDeclaration){ | |
| findLocalMethodDeclarations( | |
| selector, | |
| methods, | |
| scope, | |
| methodsFound, | |
| onlyStaticMethods, | |
| exactMatch, | |
| receiverType); | |
| } else{ | |
| findLocalMethods( | |
| selector, | |
| argTypes, | |
| methods, | |
| scope, | |
| methodsFound, | |
| onlyStaticMethods, | |
| exactMatch, | |
| receiverType, | |
| invocationSite, | |
| invocationScope, | |
| implicitCall); | |
| } | |
| } | |
| if(hasPotentialDefaultAbstractMethods && currentType.isAbstract()){ | |
| findIntefacesMethods( | |
| selector, | |
| argTypes, | |
| receiverType, | |
| currentType.superInterfaces(), | |
| scope, | |
| methodsFound, | |
| onlyStaticMethods, | |
| exactMatch, | |
| isCompletingDeclaration, | |
| invocationSite, | |
| invocationScope, | |
| implicitCall); | |
| } else { | |
| hasPotentialDefaultAbstractMethods = false; | |
| } | |
| currentType = currentType.superclass(); | |
| } | |
| } | |
| private char[][] findMethodParameterNames(MethodBinding method, char[][] parameterTypeNames){ | |
| ReferenceBinding bindingType = method.declaringClass; | |
| char[][] parameterNames = null; | |
| int length = parameterTypeNames.length; | |
| if (length == 0){ | |
| return TypeConstants.NoCharChar; | |
| } | |
| // look into the corresponding unit if it is available | |
| if (bindingType instanceof SourceTypeBinding){ | |
| SourceTypeBinding sourceType = (SourceTypeBinding) bindingType; | |
| if (sourceType.scope != null){ | |
| TypeDeclaration parsedType; | |
| if ((parsedType = sourceType.scope.referenceContext) != null){ | |
| AbstractMethodDeclaration methodDecl = parsedType.declarationOf(method); | |
| if (methodDecl != null){ | |
| Argument[] arguments = methodDecl.arguments; | |
| parameterNames = new char[length][]; | |
| for(int i = 0 ; i < length ; i++){ | |
| parameterNames[i] = arguments[i].name; | |
| } | |
| } | |
| } | |
| } | |
| } | |
| // look into the model | |
| if(parameterNames == null){ | |
| NameEnvironmentAnswer answer = nameEnvironment.findType(bindingType.compoundName); | |
| if(answer != null){ | |
| if(answer.isSourceType()) { | |
| ISourceType sourceType = answer.getSourceTypes()[0]; | |
| ISourceMethod[] sourceMethods = sourceType.getMethods(); | |
| int len = sourceMethods == null ? 0 : sourceMethods.length; | |
| for(int i = 0; i < len ; i++){ | |
| ISourceMethod sourceMethod = sourceMethods[i]; | |
| char[][] argTypeNames = sourceMethod.getArgumentTypeNames(); | |
| if(argTypeNames != null && | |
| CharOperation.equals(method.selector,sourceMethod.getSelector()) && | |
| CharOperation.equals(argTypeNames,parameterTypeNames)){ | |
| parameterNames = sourceMethod.getArgumentNames(); | |
| break; | |
| } | |
| } | |
| } | |
| } | |
| } | |
| return parameterNames; | |
| } | |
| private void findNestedTypes( | |
| char[] typeName, | |
| SourceTypeBinding currentType, | |
| Scope scope) { | |
| if (typeName == null) | |
| return; | |
| int typeLength = typeName.length; | |
| while (scope != null) { // done when a COMPILATION_UNIT_SCOPE is found | |
| switch (scope.kind) { | |
| case Scope.METHOD_SCOPE : | |
| case Scope.BLOCK_SCOPE : | |
| BlockScope blockScope = (BlockScope) scope; | |
| next : for (int i = 0, length = blockScope.scopeIndex; i < length; i++) { | |
| if (blockScope.subscopes[i] instanceof ClassScope) { | |
| SourceTypeBinding localType = | |
| ((ClassScope) blockScope.subscopes[i]).referenceContext.binding; | |
| if (!localType.isAnonymousType()) { | |
| if (typeLength > localType.sourceName.length) | |
| continue next; | |
| if (!CharOperation.prefixEquals(typeName, localType.sourceName, false | |
| /* ignore case */ | |
| )) | |
| continue next; | |
| int relevance = R_DEFAULT; | |
| relevance += computeRelevanceForCaseMatching(typeName, localType.sourceName); | |
| relevance += computeRelevanceForExpectingType(localType); | |
| relevance += computeRelevanceForClass(); | |
| requestor.acceptClass( | |
| localType.qualifiedPackageName(), | |
| localType.sourceName, | |
| localType.sourceName, | |
| localType.modifiers, | |
| startPosition - offset, | |
| endPosition - offset, | |
| relevance); | |
| } | |
| } | |
| } | |
| break; | |
| case Scope.CLASS_SCOPE : | |
| findMemberTypes(typeName, scope.enclosingSourceType(), scope, currentType); | |
| if (typeLength == 0) | |
| return; // do not search outside the class scope if no prefix was provided | |
| break; | |
| case Scope.COMPILATION_UNIT_SCOPE : | |
| return; | |
| } | |
| scope = scope.parent; | |
| } | |
| } | |
| private void findPackages(CompletionOnPackageReference packageStatement) { | |
| token = CharOperation.concatWith(packageStatement.tokens, '.'); | |
| if (token.length == 0) | |
| return; | |
| setSourceRange(packageStatement.sourceStart, packageStatement.sourceEnd); | |
| nameEnvironment.findPackages(CharOperation.toLowerCase(token), this); | |
| } | |
| private void findTypesAndPackages(char[] token, Scope scope) { | |
| if (token == null) | |
| return; | |
| if (scope.enclosingSourceType() != null) | |
| findNestedTypes(token, scope.enclosingSourceType(), scope); | |
| if (unitScope != null) { | |
| int typeLength = token.length; | |
| SourceTypeBinding[] types = unitScope.topLevelTypes; | |
| for (int i = 0, length = types.length; i < length; i++) { | |
| SourceTypeBinding sourceType = types[i]; | |
| if (typeLength > sourceType.sourceName.length) continue; | |
| if (!CharOperation.prefixEquals(token, sourceType.sourceName, false)) continue; | |
| int relevance = R_DEFAULT; | |
| relevance += computeRelevanceForCaseMatching(token, sourceType.sourceName); | |
| relevance += computeRelevanceForExpectingType(sourceType); | |
| if (sourceType.isClass()){ | |
| relevance += computeRelevanceForClass(); | |
| requestor.acceptClass( | |
| sourceType.qualifiedPackageName(), | |
| sourceType.sourceName(), | |
| sourceType.sourceName(), | |
| sourceType.modifiers, | |
| startPosition - offset, | |
| endPosition - offset, | |
| relevance); | |
| } else { | |
| relevance += computeRelevanceForInterface(); | |
| requestor.acceptInterface( | |
| sourceType.qualifiedPackageName(), | |
| sourceType.sourceName(), | |
| sourceType.sourceName(), | |
| sourceType.modifiers, | |
| startPosition - offset, | |
| endPosition - offset, | |
| relevance); | |
| } | |
| } | |
| } | |
| if (token.length == 0) | |
| return; | |
| findKeywords(token, baseTypes, scope); | |
| nameEnvironment.findTypes(token, this); | |
| nameEnvironment.findPackages(token, this); | |
| } | |
| private void findTypesAndSubpackages( | |
| char[] token, | |
| PackageBinding packageBinding) { | |
| char[] qualifiedName = | |
| CharOperation.concatWith(packageBinding.compoundName, token, '.'); | |
| if (token == null || token.length == 0) { | |
| int length = qualifiedName.length; | |
| System.arraycopy( | |
| qualifiedName, | |
| 0, | |
| qualifiedName = new char[length + 1], | |
| 0, | |
| length); | |
| qualifiedName[length] = '.'; | |
| } | |
| nameEnvironment.findTypes(qualifiedName, this); | |
| nameEnvironment.findPackages(qualifiedName, this); | |
| } | |
| private void findVariablesAndMethods( | |
| char[] token, | |
| Scope scope, | |
| InvocationSite invocationSite, | |
| Scope invocationScope) { | |
| if (token == null) | |
| return; | |
| // Should local variables hide fields from the receiver type or any of its enclosing types? | |
| // we know its an implicit field/method access... see BlockScope getBinding/getImplicitMethod | |
| boolean staticsOnly = false; | |
| // need to know if we're in a static context (or inside a constructor) | |
| int tokenLength = token.length; | |
| ObjectVector localsFound = new ObjectVector(); | |
| ObjectVector fieldsFound = new ObjectVector(); | |
| ObjectVector methodsFound = new ObjectVector(); | |
| Scope currentScope = scope; | |
| done1 : while (true) { // done when a COMPILATION_UNIT_SCOPE is found | |
| switch (currentScope.kind) { | |
| case Scope.METHOD_SCOPE : | |
| // handle the error case inside an explicit constructor call (see MethodScope>>findField) | |
| MethodScope methodScope = (MethodScope) currentScope; | |
| staticsOnly |= methodScope.isStatic | methodScope.isConstructorCall; | |
| case Scope.BLOCK_SCOPE : | |
| BlockScope blockScope = (BlockScope) currentScope; | |
| next : for (int i = 0, length = blockScope.locals.length; i < length; i++) { | |
| LocalVariableBinding local = blockScope.locals[i]; | |
| if (local == null) | |
| break next; | |
| if (tokenLength > local.name.length) | |
| continue next; | |
| if (!CharOperation.prefixEquals(token, local.name, false /* ignore case */ | |
| )) | |
| continue next; | |
| if (local.isSecret()) | |
| continue next; | |
| for (int f = 0; f < localsFound.size; f++) { | |
| LocalVariableBinding otherLocal = | |
| (LocalVariableBinding) localsFound.elementAt(f); | |
| if (CharOperation.equals(otherLocal.name, local.name, false /* ignore case */ | |
| )) | |
| continue next; | |
| } | |
| localsFound.add(local); | |
| int relevance = R_DEFAULT; | |
| relevance += computeRelevanceForCaseMatching(token, local.name); | |
| relevance += computeRelevanceForExpectingType(local.type); | |
| requestor.acceptLocalVariable( | |
| local.name, | |
| NoChar, | |
| local.type == null | |
| ? local.declaration.type.toString().toCharArray() | |
| : local.type.qualifiedSourceName(), | |
| local.modifiers, | |
| startPosition - offset, | |
| endPosition - offset, | |
| relevance); | |
| } | |
| break; | |
| case Scope.COMPILATION_UNIT_SCOPE : | |
| break done1; | |
| } | |
| currentScope = currentScope.parent; | |
| } | |
| currentScope = scope; | |
| done2 : while (true) { // done when a COMPILATION_UNIT_SCOPE is found | |
| switch (currentScope.kind) { | |
| case Scope.CLASS_SCOPE : | |
| ClassScope classScope = (ClassScope) currentScope; | |
| SourceTypeBinding enclosingType = classScope.referenceContext.binding; | |
| /* if (tokenLength == 0) { // only search inside the type itself if no prefix was provided | |
| findFields(token, enclosingType.fields(), classScope, fieldsFound, staticsOnly); | |
| findMethods(token, enclosingType.methods(), classScope, methodsFound, staticsOnly, false); | |
| break done; | |
| } else { */ | |
| findFields( | |
| token, | |
| enclosingType, | |
| classScope, | |
| fieldsFound, | |
| localsFound, | |
| staticsOnly, | |
| invocationSite, | |
| invocationScope, | |
| true); | |
| findMethods( | |
| token, | |
| null, | |
| enclosingType, | |
| classScope, | |
| methodsFound, | |
| staticsOnly, | |
| false, | |
| false, | |
| invocationSite, | |
| invocationScope, | |
| true); | |
| staticsOnly |= enclosingType.isStatic(); | |
| // } | |
| break; | |
| case Scope.COMPILATION_UNIT_SCOPE : | |
| break done2; | |
| } | |
| currentScope = currentScope.parent; | |
| } | |
| } | |
| // Helper method for private void findVariableNames(char[] name, TypeReference type ) | |
| private void findVariableName(char[] token, char[] qualifiedPackageName, char[] qualifiedSourceName, char[] sourceName, char[][] excludeNames, int dim){ | |
| if(sourceName == null || sourceName.length == 0) | |
| return; | |
| char[] name = null; | |
| // compute variable name for base type | |
| try{ | |
| nameScanner.setSource(sourceName); | |
| switch (nameScanner.getNextToken()) { | |
| case TokenNameint : | |
| case TokenNamebyte : | |
| case TokenNameshort : | |
| case TokenNamechar : | |
| case TokenNamelong : | |
| case TokenNamefloat : | |
| case TokenNamedouble : | |
| case TokenNameboolean : | |
| if(token != null && token.length != 0) | |
| return; | |
| name = computeBaseNames(sourceName[0], excludeNames); | |
| break; | |
| } | |
| if(name != null) { | |
| int relevance = R_DEFAULT; | |
| relevance += computeRelevanceForCaseMatching(token, name); | |
| // accept result | |
| requestor.acceptVariableName( | |
| qualifiedPackageName, | |
| qualifiedSourceName, | |
| name, | |
| name, | |
| startPosition - offset, | |
| endPosition - offset, | |
| relevance); | |
| return; | |
| } | |
| } catch(InvalidInputException e){ | |
| } | |
| // compute variable name for non base type | |
| char[][] names = computeNames(sourceName, dim > 0); | |
| char[] displayName; | |
| if (dim > 0){ | |
| int l = qualifiedSourceName.length; | |
| displayName = new char[l+(2*dim)]; | |
| System.arraycopy(qualifiedSourceName, 0, displayName, 0, l); | |
| for(int i = 0; i < dim; i++){ | |
| displayName[l+(i*2)] = '['; | |
| displayName[l+(i*2)+1] = ']'; | |
| } | |
| } else { | |
| displayName = qualifiedSourceName; | |
| } | |
| next : for(int i = 0 ; i < names.length ; i++){ | |
| name = names[i]; | |
| if (!CharOperation.prefixEquals(token, name, false)) | |
| continue next; | |
| // completion must be an identifier (not a keyword, ...). | |
| try{ | |
| nameScanner.setSource(name); | |
| if(nameScanner.getNextToken() != TokenNameIdentifier) | |
| continue next; | |
| } catch(InvalidInputException e){ | |
| continue next; | |
| } | |
| int count = 2; | |
| char[] originalName = name; | |
| for(int j = 0 ; j < excludeNames.length ; j++){ | |
| if(CharOperation.equals(name, excludeNames[j], false)) { | |
| name = CharOperation.concat(originalName, String.valueOf(count++).toCharArray()); | |
| j = 0; | |
| } | |
| } | |
| int relevance = R_DEFAULT; | |
| relevance += computeRelevanceForCaseMatching(token, name); | |
| // accept result | |
| requestor.acceptVariableName( | |
| qualifiedPackageName, | |
| displayName, | |
| name, | |
| name, | |
| startPosition - offset, | |
| endPosition - offset, | |
| relevance); | |
| } | |
| } | |
| private void findVariableNames(char[] name, TypeReference type , char[][] excludeNames){ | |
| if(type != null && | |
| type.binding != null && | |
| type.binding.problemId() == Binding.NoError){ | |
| TypeBinding tb = type.binding; | |
| findVariableName( | |
| name, | |
| tb.leafComponentType().qualifiedPackageName(), | |
| tb.leafComponentType().qualifiedSourceName(), | |
| tb.leafComponentType().sourceName(), | |
| excludeNames, | |
| type.dimensions()); | |
| }/* else { | |
| char[][] typeName = type.getTypeName(); | |
| findVariableName( | |
| name, | |
| NoChar, | |
| CharOperation.concatWith(typeName, '.'), | |
| typeName[typeName.length - 1], | |
| excludeNames, | |
| type.dimensions()); | |
| }*/ | |
| } | |
| public AssistParser getParser() { | |
| return parser; | |
| } | |
| protected void reset() { | |
| super.reset(); | |
| this.knownPkgs = new HashtableOfObject(10); | |
| this.knownTypes = new HashtableOfObject(10); | |
| } | |
| private void setSourceRange(int start, int end) { | |
| this.startPosition = start; | |
| this.endPosition = end + 1; | |
| } | |
| private char[] computeBaseNames(char firstName, char[][] excludeNames){ | |
| char[] name = new char[]{firstName}; | |
| for(int i = 0 ; i < excludeNames.length ; i++){ | |
| if(CharOperation.equals(name, excludeNames[i], false)) { | |
| name[0]++; | |
| if(name[0] > 'z') | |
| name[0] = 'a'; | |
| if(name[0] == firstName) | |
| return null; | |
| i = 0; | |
| } | |
| } | |
| return name; | |
| } | |
| private void computeExpectedTypes(AstNode parent, Scope scope){ | |
| int expectedTypeCount = 0; | |
| expectedTypes = new TypeBinding[1]; | |
| if(parent instanceof AbstractVariableDeclaration) { | |
| TypeBinding binding = ((AbstractVariableDeclaration)parent).type.binding; | |
| if(binding != null) { | |
| expectedTypes[expectedTypeCount++] = binding; | |
| } | |
| } else if(parent instanceof Assignment) { | |
| TypeBinding binding = ((Assignment)parent).lhsType; | |
| if(binding != null) { | |
| expectedTypes[expectedTypeCount++] = binding; | |
| } | |
| } else if(parent instanceof ReturnStatement) { | |
| MethodBinding methodBinding = ((AbstractMethodDeclaration) scope.methodScope().referenceContext).binding; | |
| TypeBinding binding = methodBinding == null ? null : methodBinding.returnType; | |
| if(binding != null) { | |
| expectedTypes[expectedTypeCount++] = binding; | |
| } | |
| } | |
| System.arraycopy(expectedTypes, 0, expectedTypes = new TypeBinding[expectedTypeCount], 0, expectedTypeCount); | |
| } | |
| private char[][] computeNames(char[] sourceName, boolean forArray){ | |
| char[][] names = new char[5][]; | |
| int nameCount = 0; | |
| boolean previousIsUpperCase = false; | |
| for(int i = sourceName.length - 1 ; i >= 0 ; i--){ | |
| boolean isUpperCase = Character.isUpperCase(sourceName[i]); | |
| if(isUpperCase && !previousIsUpperCase){ | |
| char[] name = CharOperation.subarray(sourceName,i,sourceName.length); | |
| if(name.length > 1){ | |
| if(nameCount == names.length) { | |
| System.arraycopy(names, 0, names = new char[nameCount * 2][], 0, nameCount); | |
| } | |
| name[0] = Character.toLowerCase(name[0]); | |
| if(forArray) { | |
| int length = name.length; | |
| if (name[length-1] == 's'){ | |
| System.arraycopy(name, 0, name = new char[length + 2], 0, length); | |
| name[length] = 'e'; | |
| name[length+1] = 's'; | |
| } else { | |
| System.arraycopy(name, 0, name = new char[length + 1], 0, length); | |
| name[length] = 's'; | |
| } | |
| } | |
| names[nameCount++] = name; | |
| } | |
| } | |
| previousIsUpperCase = isUpperCase; | |
| } | |
| if(nameCount == 0){ | |
| char[] name = CharOperation.toLowerCase(sourceName); | |
| if(forArray) { | |
| int length = name.length; | |
| if (name[length-1] == 's'){ | |
| System.arraycopy(name, 0, name = new char[length + 2], 0, length); | |
| name[length] = 'e'; | |
| name[length+1] = 's'; | |
| } else { | |
| System.arraycopy(name, 0, name = new char[length + 1], 0, length); | |
| name[length] = 's'; | |
| } | |
| } | |
| names[nameCount++] = name; | |
| } | |
| System.arraycopy(names, 0, names = new char[nameCount][], 0, nameCount); | |
| return names; | |
| } | |
| private char[] computePrefix(SourceTypeBinding declarationType, SourceTypeBinding invocationType, boolean isStatic){ | |
| StringBuffer completion = new StringBuffer(10); | |
| if (isStatic) { | |
| completion.append(declarationType.sourceName()); | |
| } else if (declarationType == invocationType) { | |
| completion.append(THIS); | |
| } else { | |
| if (!declarationType.isNestedType()) { | |
| completion.append(declarationType.sourceName()); | |
| completion.append('.'); | |
| completion.append(THIS); | |
| } else if (!declarationType.isAnonymousType()) { | |
| completion.append(declarationType.sourceName()); | |
| completion.append('.'); | |
| completion.append(THIS); | |
| } | |
| } | |
| return completion.toString().toCharArray(); | |
| } | |
| private boolean isEnclosed(ReferenceBinding possibleEnclosingType, ReferenceBinding type){ | |
| if(type.isNestedType()){ | |
| ReferenceBinding enclosing = type.enclosingType(); | |
| while(enclosing != null ){ | |
| if(possibleEnclosingType == enclosing) | |
| return true; | |
| enclosing = enclosing.enclosingType(); | |
| } | |
| } | |
| return false; | |
| } | |
| } |