List of usage examples for org.eclipse.jdt.core.compiler CharOperation concatWith
public static final char[] concatWith(char[][] array, char separator)
From source file:com.codenvy.ide.ext.java.server.core.search.SearchPattern.java
License:Open Source License
/** * Returns a search pattern based on a given Java element. * The pattern is used to trigger the appropriate search, and can be parameterized as follows: * * @param element the Java element the search pattern is based on * @param limitTo determines the nature of the expected matches * <ul>//from w ww . j a va2 s.c o m * <li>{@link IJavaSearchConstants#DECLARATIONS DECLARATIONS}: will search declarations matching * with the corresponding element. In case the element is a method, declarations of matching * methods in sub-types will also be found, allowing to find declarations of abstract methods, etc. * Some additional flags may be specified while searching declaration: * <ul> * <li>{@link IJavaSearchConstants#IGNORE_DECLARING_TYPE IGNORE_DECLARING_TYPE}: declaring type will be ignored * during the search.<br> * For example using following test case: * <pre> * class A { A method() { return null; } } * class B extends A { B method() { return null; } } * class C { A method() { return null; } } * </pre> * search for <code>method</code> declaration with this flag * will return 2 matches: in A and in C * </li> * <li>{@link IJavaSearchConstants#IGNORE_RETURN_TYPE IGNORE_RETURN_TYPE}: return type will be ignored * during the search.<br> * Using same example, search for <code>method</code> declaration with this flag * will return 2 matches: in A and in B. * </li> * </ul> * Note that these two flags may be combined and both declaring and return types can be ignored * during the search. Then, using same example, search for <code>method</code> declaration * with these 2 flags will return 3 matches: in A, in B and in C * </li> * <li>{@link IJavaSearchConstants#REFERENCES REFERENCES}: will search references to the given element.</li> * <li>{@link IJavaSearchConstants#ALL_OCCURRENCES ALL_OCCURRENCES}: will search for either declarations or * references as specified above. * </li> * <li>All other fine grain constants defined in the <b>limitTo</b> category * of the {@link IJavaSearchConstants} are also accepted nature: * <table border=0> * <tr> * <th align=left>Fine grain constant * <th align=left>Meaning * <tr> * <td>{@link IJavaSearchConstants#FIELD_DECLARATION_TYPE_REFERENCE FIELD_DECLARATION_TYPE_REFERENCE} * <td>Return only type references used as the type of a field declaration. * <tr> * <td>{@link IJavaSearchConstants#LOCAL_VARIABLE_DECLARATION_TYPE_REFERENCE LOCAL_VARIABLE_DECLARATION_TYPE_REFERENCE} * <td>Return only type references used as the type of a local variable declaration. * <tr> * <td>{@link IJavaSearchConstants#PARAMETER_DECLARATION_TYPE_REFERENCE PARAMETER_DECLARATION_TYPE_REFERENCE} * <td>Return only type references used as the type of a method parameter declaration. * <tr> * <td>{@link IJavaSearchConstants#SUPERTYPE_TYPE_REFERENCE SUPERTYPE_TYPE_REFERENCE} * <td>Return only type references used as a super type or as a super interface. * <tr> * <td>{@link IJavaSearchConstants#THROWS_CLAUSE_TYPE_REFERENCE THROWS_CLAUSE_TYPE_REFERENCE} * <td>Return only type references used in a throws clause. * <tr> * <td>{@link IJavaSearchConstants#CAST_TYPE_REFERENCE CAST_TYPE_REFERENCE} * <td>Return only type references used in a cast expression. * <tr> * <td>{@link IJavaSearchConstants#CATCH_TYPE_REFERENCE CATCH_TYPE_REFERENCE} * <td>Return only type references used in a catch header. * <tr> * <td>{@link IJavaSearchConstants#CLASS_INSTANCE_CREATION_TYPE_REFERENCE CLASS_INSTANCE_CREATION_TYPE_REFERENCE} * <td>Return only type references used in class instance creation. * <tr> * <td>{@link IJavaSearchConstants#RETURN_TYPE_REFERENCE RETURN_TYPE_REFERENCE} * <td>Return only type references used as a method return type. * <tr> * <td>{@link IJavaSearchConstants#IMPORT_DECLARATION_TYPE_REFERENCE IMPORT_DECLARATION_TYPE_REFERENCE} * <td>Return only type references used in an import declaration. * <tr> * <td>{@link IJavaSearchConstants#ANNOTATION_TYPE_REFERENCE ANNOTATION_TYPE_REFERENCE} * <td>Return only type references used as an annotation. * <tr> * <td>{@link IJavaSearchConstants#TYPE_ARGUMENT_TYPE_REFERENCE TYPE_ARGUMENT_TYPE_REFERENCE} * <td>Return only type references used as a type argument in a parameterized type or a parameterized method. * <tr> * <td>{@link IJavaSearchConstants#TYPE_VARIABLE_BOUND_TYPE_REFERENCE TYPE_VARIABLE_BOUND_TYPE_REFERENCE} * <td>Return only type references used as a type variable bound. * <tr> * <td>{@link IJavaSearchConstants#WILDCARD_BOUND_TYPE_REFERENCE WILDCARD_BOUND_TYPE_REFERENCE} * <td>Return only type references used as a wildcard bound. * <tr> * <td>{@link IJavaSearchConstants#INSTANCEOF_TYPE_REFERENCE INSTANCEOF_TYPE_REFERENCE} * <td>Return only type references used as a type of an <code>instanceof</code> expression. * <tr> * <td>{@link IJavaSearchConstants#SUPER_REFERENCE SUPER_REFERENCE} * <td>Return only super field accesses or super method invocations (e.g. using the <code>super</code> qualifier). * <tr> * <td>{@link IJavaSearchConstants#QUALIFIED_REFERENCE QUALIFIED_REFERENCE} * <td>Return only qualified field accesses or qualified method invocations. * <tr> * <td>{@link IJavaSearchConstants#THIS_REFERENCE THIS_REFERENCE} * <td>Return only primary field accesses or primary method invocations (e.g. using the <code>this</code> qualifier). * <tr> * <td>{@link IJavaSearchConstants#IMPLICIT_THIS_REFERENCE IMPLICIT_THIS_REFERENCE} * <td>Return only field accesses or method invocations without any qualification. * </table> * </li> * </ul> * @param matchRule one of the following match rules: * <ul> * <li>{@link #R_EXACT_MATCH}</li> * <li>{@link #R_PREFIX_MATCH}</li> * <li>{@link #R_PATTERN_MATCH}</li> * <li>{@link #R_CAMELCASE_MATCH}</li> * <li>{@link #R_CAMELCASE_SAME_PART_COUNT_MATCH}</li> * </ul> * , which may be also combined with one of the following flags: * <ul> * <li>{@link #R_CASE_SENSITIVE}</li> * <li>{@link #R_ERASURE_MATCH}</li> * <li>{@link #R_EQUIVALENT_MATCH}</li> * </ul> * For example, * <ul> * <li>{@link #R_EXACT_MATCH} | {@link #R_CASE_SENSITIVE}: if an exact * and case sensitive match is requested,</li> * <li>{@link #R_PREFIX_MATCH} if a case insensitive prefix match is requested</li> * <li>{@link #R_EXACT_MATCH} | {@link #R_ERASURE_MATCH}: if a case * insensitive and erasure match is requested.</li> * </ul> * Note that {@link #R_ERASURE_MATCH} or {@link #R_EQUIVALENT_MATCH} has no effect * on non-generic types/methods search. * <p> * Note also that default behavior for generic types/methods search is to find exact matches. * @return a search pattern for a Java element or <code>null</code> if the given element is ill-formed * @since 3.1 */ public static SearchPattern createPattern(IJavaElement element, int limitTo, int matchRule) { SearchPattern searchPattern = null; int lastDot; boolean ignoreDeclaringType = false; boolean ignoreReturnType = false; int maskedLimitTo = limitTo & ~(IJavaSearchConstants.IGNORE_DECLARING_TYPE + IJavaSearchConstants.IGNORE_RETURN_TYPE); if (maskedLimitTo == IJavaSearchConstants.DECLARATIONS || maskedLimitTo == IJavaSearchConstants.ALL_OCCURRENCES) { ignoreDeclaringType = (limitTo & IJavaSearchConstants.IGNORE_DECLARING_TYPE) != 0; ignoreReturnType = (limitTo & IJavaSearchConstants.IGNORE_RETURN_TYPE) != 0; } if ((matchRule = validateMatchRule(null, matchRule)) == -1) { return null; } char[] declaringSimpleName = null; char[] declaringQualification = null; switch (element.getElementType()) { case IJavaElement.FIELD: IField field = (IField) element; if (!ignoreDeclaringType) { IType declaringClass = field.getDeclaringType(); declaringSimpleName = declaringClass.getElementName().toCharArray(); declaringQualification = declaringClass.getPackageFragment().getElementName().toCharArray(); char[][] enclosingNames = enclosingTypeNames(declaringClass); if (enclosingNames.length > 0) { declaringQualification = CharOperation.concat(declaringQualification, CharOperation.concatWith(enclosingNames, '.'), '.'); } } char[] name = field.getElementName().toCharArray(); char[] typeSimpleName = null; char[] typeQualification = null; String typeSignature = null; if (!ignoreReturnType) { try { typeSignature = field.getTypeSignature(); char[] signature = typeSignature.toCharArray(); char[] typeErasure = Signature.toCharArray(Signature.getTypeErasure(signature)); CharOperation.replace(typeErasure, '$', '.'); if ((lastDot = CharOperation.lastIndexOf('.', typeErasure)) == -1) { typeSimpleName = typeErasure; } else { typeSimpleName = CharOperation.subarray(typeErasure, lastDot + 1, typeErasure.length); typeQualification = CharOperation.subarray(typeErasure, 0, lastDot); if (!field.isBinary()) { // prefix with a '*' as the full qualification could be bigger (because of an import) typeQualification = CharOperation.concat(IIndexConstants.ONE_STAR, typeQualification); } } } catch (JavaModelException e) { return null; } } // Create field pattern searchPattern = new FieldPattern(name, declaringQualification, declaringSimpleName, typeQualification, typeSimpleName, typeSignature, limitTo, matchRule); break; case IJavaElement.IMPORT_DECLARATION: String elementName = element.getElementName(); lastDot = elementName.lastIndexOf('.'); if (lastDot == -1) return null; // invalid import declaration IImportDeclaration importDecl = (IImportDeclaration) element; if (importDecl.isOnDemand()) { searchPattern = createPackagePattern(elementName.substring(0, lastDot), maskedLimitTo, matchRule); } else { searchPattern = createTypePattern(elementName.substring(lastDot + 1).toCharArray(), elementName.substring(0, lastDot).toCharArray(), null, null, null, maskedLimitTo, matchRule); } break; case IJavaElement.LOCAL_VARIABLE: LocalVariable localVar = (LocalVariable) element; searchPattern = new LocalVariablePattern(localVar, limitTo, matchRule); break; case IJavaElement.TYPE_PARAMETER: ITypeParameter typeParam = (ITypeParameter) element; boolean findParamDeclarations = true; boolean findParamReferences = true; switch (maskedLimitTo) { case IJavaSearchConstants.DECLARATIONS: findParamReferences = false; break; case IJavaSearchConstants.REFERENCES: findParamDeclarations = false; break; } searchPattern = new TypeParameterPattern(findParamDeclarations, findParamReferences, typeParam, matchRule); break; case IJavaElement.METHOD: IMethod method = (IMethod) element; boolean isConstructor; try { isConstructor = method.isConstructor(); } catch (JavaModelException e) { return null; } IType declaringClass = method.getDeclaringType(); if (ignoreDeclaringType) { if (isConstructor) declaringSimpleName = declaringClass.getElementName().toCharArray(); } else { declaringSimpleName = declaringClass.getElementName().toCharArray(); declaringQualification = declaringClass.getPackageFragment().getElementName().toCharArray(); char[][] enclosingNames = enclosingTypeNames(declaringClass); if (enclosingNames.length > 0) { declaringQualification = CharOperation.concat(declaringQualification, CharOperation.concatWith(enclosingNames, '.'), '.'); } } char[] selector = method.getElementName().toCharArray(); char[] returnSimpleName = null; char[] returnQualification = null; String returnSignature = null; if (!ignoreReturnType) { try { returnSignature = method.getReturnType(); char[] signature = returnSignature.toCharArray(); char[] returnErasure = Signature.toCharArray(Signature.getTypeErasure(signature)); CharOperation.replace(returnErasure, '$', '.'); if ((lastDot = CharOperation.lastIndexOf('.', returnErasure)) == -1) { returnSimpleName = returnErasure; } else { returnSimpleName = CharOperation.subarray(returnErasure, lastDot + 1, returnErasure.length); returnQualification = CharOperation.subarray(returnErasure, 0, lastDot); if (!method.isBinary()) { // prefix with a '*' as the full qualification could be bigger (because of an import) CharOperation.concat(IIndexConstants.ONE_STAR, returnQualification); } } } catch (JavaModelException e) { return null; } } String[] parameterTypes = method.getParameterTypes(); int paramCount = parameterTypes.length; char[][] parameterSimpleNames = new char[paramCount][]; char[][] parameterQualifications = new char[paramCount][]; String[] parameterSignatures = new String[paramCount]; for (int i = 0; i < paramCount; i++) { parameterSignatures[i] = parameterTypes[i]; char[] signature = parameterSignatures[i].toCharArray(); char[] paramErasure = Signature.toCharArray(Signature.getTypeErasure(signature)); CharOperation.replace(paramErasure, '$', '.'); if ((lastDot = CharOperation.lastIndexOf('.', paramErasure)) == -1) { parameterSimpleNames[i] = paramErasure; parameterQualifications[i] = null; } else { parameterSimpleNames[i] = CharOperation.subarray(paramErasure, lastDot + 1, paramErasure.length); parameterQualifications[i] = CharOperation.subarray(paramErasure, 0, lastDot); if (!method.isBinary()) { // prefix with a '*' as the full qualification could be bigger (because of an import) CharOperation.concat(IIndexConstants.ONE_STAR, parameterQualifications[i]); } } } // Create method/constructor pattern if (isConstructor) { searchPattern = new ConstructorPattern(declaringSimpleName, declaringQualification, parameterQualifications, parameterSimpleNames, parameterSignatures, method, limitTo, matchRule); } else { searchPattern = new MethodPattern(selector, declaringQualification, declaringSimpleName, returnQualification, returnSimpleName, returnSignature, parameterQualifications, parameterSimpleNames, parameterSignatures, method, limitTo, matchRule); } break; case IJavaElement.TYPE: IType type = (IType) element; searchPattern = createTypePattern(type.getElementName().toCharArray(), type.getPackageFragment().getElementName().toCharArray(), ignoreDeclaringType ? null : enclosingTypeNames(type), null, type, maskedLimitTo, matchRule); break; case IJavaElement.PACKAGE_DECLARATION: case IJavaElement.PACKAGE_FRAGMENT: searchPattern = createPackagePattern(element.getElementName(), maskedLimitTo, matchRule); break; } if (searchPattern != null) MatchLocator.setFocus(searchPattern, element); return searchPattern; }
From source file:com.codenvy.ide.ext.java.server.internal.codeassist.impl.Engine.java
License:Open Source License
public void initializeImportCaches() { if (this.currentPackageName == null) { initializePackageCache();/*from ww w . j a va2 s . c o m*/ } ImportBinding[] importBindings = this.unitScope.imports; int length = importBindings == null ? 0 : importBindings.length; for (int i = 0; i < length; i++) { ImportBinding importBinding = importBindings[i]; if (importBinding.onDemand) { if (this.onDemandImportsCache == null) { this.onDemandImportsCache = new ImportBinding[length - i]; } this.onDemandImportsCache[this.onDemandImportCacheCount++] = importBinding; } else { if (!(importBinding.resolvedImport instanceof MethodBinding) || importBinding instanceof ImportConflictBinding) { if (this.importsCache == null) { this.importsCache = new char[length - i][][]; } this.importsCache[this.importCacheCount++] = new char[][] { importBinding.compoundName[importBinding.compoundName.length - 1], CharOperation.concatWith(importBinding.compoundName, '.') }; } } } this.importCachesInitialized = true; }
From source file:com.codenvy.ide.ext.java.server.internal.codeassist.impl.Engine.java
License:Open Source License
public void initializePackageCache() { if (this.unitScope.fPackage != null) { this.currentPackageName = CharOperation.concatWith(this.unitScope.fPackage.compoundName, '.'); } else if (this.unitScope.referenceContext != null && this.unitScope.referenceContext.currentPackage != null) { this.currentPackageName = CharOperation .concatWith(this.unitScope.referenceContext.currentPackage.tokens, '.'); } else {/*w ww. j a v a 2s . c om*/ this.currentPackageName = CharOperation.NO_CHAR; } }
From source file:com.codenvy.ide.ext.java.server.internal.codeassist.impl.Engine.java
License:Open Source License
protected boolean mustQualifyType(char[] packageName, char[] typeName, char[] enclosingTypeNames, int modifiers) { // If there are no types defined into the current CU yet. if (this.unitScope == null) return true; if (!this.importCachesInitialized) { initializeImportCaches();/*from w ww . j av a 2s. c om*/ } for (int i = 0; i < this.importCacheCount; i++) { char[][] importName = this.importsCache[i]; if (CharOperation.equals(typeName, importName[0])) { char[] fullyQualifiedTypeName = enclosingTypeNames == null || enclosingTypeNames.length == 0 ? CharOperation.concat(packageName, typeName, '.') : CharOperation.concat(CharOperation.concat(packageName, enclosingTypeNames, '.'), typeName, '.'); return !CharOperation.equals(fullyQualifiedTypeName, importName[1]); } } if ((enclosingTypeNames == null || enclosingTypeNames.length == 0) && CharOperation.equals(this.currentPackageName, packageName)) return false; char[] fullyQualifiedEnclosingTypeName = null; for (int i = 0; i < this.onDemandImportCacheCount; i++) { ImportBinding importBinding = this.onDemandImportsCache[i]; Binding resolvedImport = importBinding.resolvedImport; char[][] importName = importBinding.compoundName; char[] importFlatName = CharOperation.concatWith(importName, '.'); boolean isFound = false; // resolvedImport is a ReferenceBindng or a PackageBinding if (resolvedImport instanceof ReferenceBinding) { if (enclosingTypeNames != null && enclosingTypeNames.length != 0) { if (fullyQualifiedEnclosingTypeName == null) { fullyQualifiedEnclosingTypeName = CharOperation.concat(packageName, enclosingTypeNames, '.'); } if (CharOperation.equals(fullyQualifiedEnclosingTypeName, importFlatName)) { if (importBinding.isStatic()) { isFound = (modifiers & ClassFileConstants.AccStatic) != 0; } else { isFound = true; } } } } else { if (enclosingTypeNames == null || enclosingTypeNames.length == 0) { if (CharOperation.equals(packageName, importFlatName)) { if (importBinding.isStatic()) { isFound = (modifiers & ClassFileConstants.AccStatic) != 0; } else { isFound = true; } } } } // find potential conflict with another import if (isFound) { for (int j = 0; j < this.onDemandImportCacheCount; j++) { if (i != j) { ImportBinding conflictingImportBinding = this.onDemandImportsCache[j]; if (conflictingImportBinding.resolvedImport instanceof ReferenceBinding) { ReferenceBinding refBinding = (ReferenceBinding) conflictingImportBinding.resolvedImport; if (refBinding.getMemberType(typeName) != null) { return true; } } else { char[] conflictingImportName = CharOperation .concatWith(conflictingImportBinding.compoundName, '.'); if (this.nameEnvironment.nameLookup.findType(String.valueOf(typeName), String.valueOf(conflictingImportName), false, NameLookup.ACCEPT_ALL, false/*don't check restrictions*/) != null) { return true; } } } } return false; } } return true; }
From source file:com.codenvy.ide.ext.java.server.internal.codeassist.SelectionEngine.java
License:Open Source License
public void acceptType(char[] packageName, char[] simpleTypeName, char[][] enclosingTypeNames, int modifiers, AccessRestriction accessRestriction) { char[] typeName = enclosingTypeNames == null ? simpleTypeName : CharOperation.concat(CharOperation.concatWith(enclosingTypeNames, '.'), simpleTypeName, '.'); if (CharOperation.equals(simpleTypeName, this.selectedIdentifier)) { char[] flatEnclosingTypeNames = enclosingTypeNames == null || enclosingTypeNames.length == 0 ? null : CharOperation.concatWith(enclosingTypeNames, '.'); if (mustQualifyType(packageName, simpleTypeName, flatEnclosingTypeNames, modifiers)) { int length = 0; int kind = modifiers & (ClassFileConstants.AccInterface | ClassFileConstants.AccEnum | ClassFileConstants.AccAnnotation); switch (kind) { case ClassFileConstants.AccAnnotation: case ClassFileConstants.AccAnnotation | ClassFileConstants.AccInterface: char[][] acceptedAnnotation = new char[2][]; acceptedAnnotation[0] = packageName; acceptedAnnotation[1] = typeName; if (this.acceptedAnnotations == null) { this.acceptedAnnotations = new char[10][][]; this.acceptedAnnotationsModifiers = new int[10]; this.acceptedAnnotationsCount = 0; }/*from w ww .ja va 2s.co m*/ length = this.acceptedAnnotations.length; if (length == this.acceptedAnnotationsCount) { int newLength = (length + 1) * 2; System.arraycopy(this.acceptedAnnotations, 0, this.acceptedAnnotations = new char[newLength][][], 0, length); System.arraycopy(this.acceptedAnnotationsModifiers, 0, this.acceptedAnnotationsModifiers = new int[newLength], 0, length); } this.acceptedAnnotationsModifiers[this.acceptedAnnotationsCount] = modifiers; this.acceptedAnnotations[this.acceptedAnnotationsCount++] = acceptedAnnotation; break; case ClassFileConstants.AccEnum: char[][] acceptedEnum = new char[2][]; acceptedEnum[0] = packageName; acceptedEnum[1] = typeName; if (this.acceptedEnums == null) { this.acceptedEnums = new char[10][][]; this.acceptedEnumsModifiers = new int[10]; this.acceptedEnumsCount = 0; } length = this.acceptedEnums.length; if (length == this.acceptedEnumsCount) { int newLength = (length + 1) * 2; System.arraycopy(this.acceptedEnums, 0, this.acceptedEnums = new char[newLength][][], 0, length); System.arraycopy(this.acceptedEnumsModifiers, 0, this.acceptedEnumsModifiers = new int[newLength], 0, length); } this.acceptedEnumsModifiers[this.acceptedEnumsCount] = modifiers; this.acceptedEnums[this.acceptedEnumsCount++] = acceptedEnum; break; case ClassFileConstants.AccInterface: char[][] acceptedInterface = new char[2][]; acceptedInterface[0] = packageName; acceptedInterface[1] = typeName; if (this.acceptedInterfaces == null) { this.acceptedInterfaces = new char[10][][]; this.acceptedInterfacesModifiers = new int[10]; this.acceptedInterfacesCount = 0; } length = this.acceptedInterfaces.length; if (length == this.acceptedInterfacesCount) { int newLength = (length + 1) * 2; System.arraycopy(this.acceptedInterfaces, 0, this.acceptedInterfaces = new char[newLength][][], 0, length); System.arraycopy(this.acceptedInterfacesModifiers, 0, this.acceptedInterfacesModifiers = new int[newLength], 0, length); } this.acceptedInterfacesModifiers[this.acceptedInterfacesCount] = modifiers; this.acceptedInterfaces[this.acceptedInterfacesCount++] = acceptedInterface; break; default: char[][] acceptedClass = new char[2][]; acceptedClass[0] = packageName; acceptedClass[1] = typeName; if (this.acceptedClasses == null) { this.acceptedClasses = new char[10][][]; this.acceptedClassesModifiers = new int[10]; this.acceptedClassesCount = 0; } length = this.acceptedClasses.length; if (length == this.acceptedClassesCount) { int newLength = (length + 1) * 2; System.arraycopy(this.acceptedClasses, 0, this.acceptedClasses = new char[newLength][][], 0, length); System.arraycopy(this.acceptedClassesModifiers, 0, this.acceptedClassesModifiers = new int[newLength], 0, length); } this.acceptedClassesModifiers[this.acceptedClassesCount] = modifiers; this.acceptedClasses[this.acceptedClassesCount++] = acceptedClass; break; } } else { this.noProposal = false; this.requestor.acceptType(packageName, typeName, modifiers, false, null, this.actualSelectionStart, this.actualSelectionEnd); this.acceptedAnswer = true; } } }
From source file:com.codenvy.ide.ext.java.server.internal.codeassist.SelectionEngine.java
License:Open Source License
/** * Ask the engine to compute the selection at the specified position * of the given compilation unit./*ww w.ja va2 s . co m*/ * @param sourceUnit org.eclipse.jdt.internal.compiler.env.ICompilationUnit * the source of the current compilation unit. * * @param selectionSourceStart int * @param selectionSourceEnd int * a range in the source where the selection is. */ public void select(ICompilationUnit sourceUnit, int selectionSourceStart, int selectionSourceEnd) { char[] source = sourceUnit.getContents(); if (DEBUG) { System.out.print("SELECTION IN "); //$NON-NLS-1$ System.out.print(sourceUnit.getFileName()); System.out.print(" FROM "); //$NON-NLS-1$ System.out.print(selectionSourceStart); System.out.print(" TO "); //$NON-NLS-1$ System.out.println(selectionSourceEnd); System.out.println("SELECTION - Source :"); //$NON-NLS-1$ System.out.println(source); } if (!checkSelection(source, selectionSourceStart, selectionSourceEnd)) { return; } if (DEBUG) { System.out.print("SELECTION - Checked : \""); //$NON-NLS-1$ System.out.print(new String(source, this.actualSelectionStart, this.actualSelectionEnd - this.actualSelectionStart + 1)); System.out.println('"'); } try { this.acceptedAnswer = false; CompilationResult result = new CompilationResult(sourceUnit, 1, 1, this.compilerOptions.maxProblemsPerUnit); CompilationUnitDeclaration parsedUnit = this.parser.dietParse(sourceUnit, result, this.actualSelectionStart, this.actualSelectionEnd); if (parsedUnit != null) { if (DEBUG) { System.out.println("SELECTION - Diet AST :"); //$NON-NLS-1$ System.out.println(parsedUnit.toString()); } // scan the package & import statements first if (parsedUnit.currentPackage instanceof SelectionOnPackageReference) { char[][] tokens = ((SelectionOnPackageReference) parsedUnit.currentPackage).tokens; this.noProposal = false; this.requestor.acceptPackage(CharOperation.concatWith(tokens, '.')); 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 SelectionOnImportReference) { char[][] tokens = ((SelectionOnImportReference) importReference).tokens; this.noProposal = false; this.requestor.acceptPackage(CharOperation.concatWith(tokens, '.')); this.nameEnvironment.findTypes(CharOperation.concatWith(tokens, '.'), false, false, IJavaSearchConstants.TYPE, this); this.lookupEnvironment.buildTypeBindings(parsedUnit, null /*no access restriction*/); if ((this.unitScope = parsedUnit.scope) != null) { int tokenCount = tokens.length; char[] lastToken = tokens[tokenCount - 1]; char[][] qualifierTokens = CharOperation.subarray(tokens, 0, tokenCount - 1); if (qualifierTokens != null && qualifierTokens.length > 0) { Binding binding = this.unitScope.getTypeOrPackage(qualifierTokens); if (binding != null && binding instanceof ReferenceBinding) { ReferenceBinding ref = (ReferenceBinding) binding; selectMemberTypeFromImport(parsedUnit, lastToken, ref, importReference.isStatic()); if (importReference.isStatic()) { selectStaticFieldFromStaticImport(parsedUnit, lastToken, ref); selectStaticMethodFromStaticImport(parsedUnit, lastToken, ref); } } } } // accept qualified types only if no unqualified type was accepted if (!this.acceptedAnswer) { acceptQualifiedTypes(); if (!this.acceptedAnswer) { this.nameEnvironment.findTypes(this.selectedIdentifier, false, false, IJavaSearchConstants.TYPE, this); // try with simple type name if (!this.acceptedAnswer) { acceptQualifiedTypes(); } } } if (this.noProposal && this.problem != null) { this.requestor.acceptError(this.problem); } return; } } } if (parsedUnit.types != null || parsedUnit.isPackageInfo()) { if (selectDeclaration(parsedUnit)) return; this.lookupEnvironment.buildTypeBindings(parsedUnit, null /*no access restriction*/); if ((this.unitScope = parsedUnit.scope) != null) { try { this.lookupEnvironment.completeTypeBindings(parsedUnit, true); CompilationUnitDeclaration previousUnitBeingCompleted = this.lookupEnvironment.unitBeingCompleted; this.lookupEnvironment.unitBeingCompleted = parsedUnit; parsedUnit.scope.faultInTypes(); this.lookupEnvironment.unitBeingCompleted = previousUnitBeingCompleted; ASTNode node = null; if (parsedUnit.types != null) node = parseBlockStatements(parsedUnit, selectionSourceStart); if (DEBUG) { System.out.println("SELECTION - AST :"); //$NON-NLS-1$ System.out.println(parsedUnit.toString()); } parsedUnit.resolve(); if (node != null) { selectLocalDeclaration(node); } } catch (SelectionNodeFound e) { if (e.binding != null) { if (DEBUG) { System.out.println("SELECTION - Selection binding:"); //$NON-NLS-1$ System.out.println(e.binding.toString()); } // if null then we found a problem in the selection node selectFrom(e.binding, parsedUnit, sourceUnit, e.isDeclaration); } } } } } // only reaches here if no selection could be derived from the parsed tree // thus use the selected source and perform a textual type search if (!this.acceptedAnswer) { this.nameEnvironment.findTypes(this.selectedIdentifier, false, false, IJavaSearchConstants.TYPE, this); // accept qualified types only if no unqualified type was accepted if (!this.acceptedAnswer) { acceptQualifiedTypes(); // accept types from all the workspace only if no type was found in the project scope if (this.noProposal) { findAllTypes(this.selectedIdentifier); } } } if (this.noProposal && this.problem != null) { this.requestor.acceptError(this.problem); } } catch (IndexOutOfBoundsException e) { // work-around internal failure - 1GEMF6D if (DEBUG) { System.out.println("Exception caught by SelectionEngine:"); //$NON-NLS-1$ e.printStackTrace(System.out); } } catch (AbortCompilation e) { // ignore this exception for now since it typically means we cannot find java.lang.Object if (DEBUG) { System.out.println("Exception caught by SelectionEngine:"); //$NON-NLS-1$ e.printStackTrace(System.out); } } finally { reset(true); } }
From source file:com.codenvy.ide.ext.java.server.internal.codeassist.SelectionEngine.java
License:Open Source License
private boolean selectDeclaration(CompilationUnitDeclaration compilationUnit) { // the selected identifier is not identical to the parser one (equals but not identical), // for traversing the parse tree, the parser assist identifier is necessary for identitiy checks char[] assistIdentifier = getParser().assistIdentifier(); if (assistIdentifier == null) return false; ImportReference currentPackage = compilationUnit.currentPackage; char[] packageName = currentPackage == null ? CharOperation.NO_CHAR : CharOperation.concatWith(currentPackage.tokens, '.'); // iterate over the types TypeDeclaration[] types = compilationUnit.types; for (int i = 0, length = types == null ? 0 : types.length; i < length; i++) { if (selectDeclaration(types[i], assistIdentifier, packageName)) return true; }/*from ww w . ja va2 s . c om*/ return false; }
From source file:com.codenvy.ide.ext.java.server.internal.core.BinaryMember.java
License:Open Source License
private IAnnotation getAnnotation(char[][] annotationName) { return new Annotation(this, manager, new String(CharOperation.concatWith(annotationName, '.'))); }
From source file:com.codenvy.ide.ext.java.server.internal.core.ClassFileInfo.java
License:Open Source License
private void generateStandardAnnotation(JavaElement javaElement, char[][] typeName, IMemberValuePair[] members, HashMap newElements) {/*from w w w. ja va 2 s.c o m*/ IAnnotation annotation = new Annotation(javaElement, javaElement.manager, new String(CharOperation.concatWith(typeName, '.'))); AnnotationInfo annotationInfo = new AnnotationInfo(); annotationInfo.members = members; newElements.put(annotation, annotationInfo); }
From source file:com.codenvy.ide.ext.java.server.internal.core.ClassFileInfo.java
License:Open Source License
private IMemberValuePair[] getTargetElementTypes(long tagBits) { ArrayList values = new ArrayList(); String elementType = new String( CharOperation.concatWith(TypeConstants.JAVA_LANG_ANNOTATION_ELEMENTTYPE, '.')) + '.'; if ((tagBits & TagBits.AnnotationForType) != 0) { values.add(elementType + new String(TypeConstants.TYPE)); }// w w w.j a va 2 s .c om if ((tagBits & TagBits.AnnotationForField) != 0) { values.add(elementType + new String(TypeConstants.UPPER_FIELD)); } if ((tagBits & TagBits.AnnotationForMethod) != 0) { values.add(elementType + new String(TypeConstants.UPPER_METHOD)); } if ((tagBits & TagBits.AnnotationForParameter) != 0) { values.add(elementType + new String(TypeConstants.UPPER_PARAMETER)); } if ((tagBits & TagBits.AnnotationForConstructor) != 0) { values.add(elementType + new String(TypeConstants.UPPER_CONSTRUCTOR)); } if ((tagBits & TagBits.AnnotationForLocalVariable) != 0) { values.add(elementType + new String(TypeConstants.UPPER_LOCAL_VARIABLE)); } if ((tagBits & TagBits.AnnotationForAnnotationType) != 0) { values.add(elementType + new String(TypeConstants.UPPER_ANNOTATION_TYPE)); } if ((tagBits & TagBits.AnnotationForPackage) != 0) { values.add(elementType + new String(TypeConstants.UPPER_PACKAGE)); } final Object value; if (values.size() == 0) { if ((tagBits & TagBits.AnnotationTarget) != 0) value = CharOperation.NO_STRINGS; else return Annotation.NO_MEMBER_VALUE_PAIRS; } else if (values.size() == 1) { value = values.get(0); } else { value = values.toArray(new String[values.size()]); } return new IMemberValuePair[] { new IMemberValuePair() { public int getValueKind() { return IMemberValuePair.K_QUALIFIED_NAME; } public Object getValue() { return value; } public String getMemberName() { return new String(TypeConstants.VALUE); } } }; }