Examples with ASTParser org.eclipse.jdt.core.dom.ASTParser used on opensource projects

Example 26 with ASTParser

use of org.eclipse.jdt.core.dom.ASTParser in project che by eclipse.

the class TypeContextChecker method parseType.

private static Type parseType(String typeString, IJavaProject javaProject, List<String> problemsCollector) {
    if (//speed up for a common case //$NON-NLS-1$
    "".equals(typeString.trim()))
        return null;
    if (!typeString.trim().equals(typeString))
        return null;
    StringBuffer cuBuff = new StringBuffer();
    //$NON-NLS-1$
    cuBuff.append("interface A{");
    int offset = cuBuff.length();
    //$NON-NLS-1$
    cuBuff.append(typeString).append(" m();}");
    ASTParser p = ASTParser.newParser(ASTProvider.SHARED_AST_LEVEL);
    p.setSource(cuBuff.toString().toCharArray());
    p.setProject(javaProject);
    CompilationUnit cu = (CompilationUnit) p.createAST(null);
    Selection selection = Selection.createFromStartLength(offset, typeString.length());
    SelectionAnalyzer analyzer = new SelectionAnalyzer(selection, false);
    cu.accept(analyzer);
    ASTNode selected = analyzer.getFirstSelectedNode();
    if (!(selected instanceof Type))
        return null;
    Type type = (Type) selected;
    if (MethodTypesSyntaxChecker.isVoidArrayType(type))
        return null;
    IProblem[] problems = ASTNodes.getProblems(type, ASTNodes.NODE_ONLY, ASTNodes.PROBLEMS);
    if (problems.length > 0) {
        for (int i = 0; i < problems.length; i++) problemsCollector.add(problems[i].getMessage());
    }
    String typeNodeRange = cuBuff.substring(type.getStartPosition(), ASTNodes.getExclusiveEnd(type));
    if (typeString.equals(typeNodeRange))
        return type;
    else
        return null;
}

Example 27 with ASTParser

use of org.eclipse.jdt.core.dom.ASTParser in project che by eclipse.

the class InlineConstantRefactoring method initialize.

private RefactoringStatus initialize(JavaRefactoringArguments arguments) {
    final String selection = arguments.getAttribute(JavaRefactoringDescriptorUtil.ATTRIBUTE_SELECTION);
    if (selection != null) {
        int offset = -1;
        int length = -1;
        final StringTokenizer tokenizer = new StringTokenizer(selection);
        if (tokenizer.hasMoreTokens())
            offset = Integer.valueOf(tokenizer.nextToken()).intValue();
        if (tokenizer.hasMoreTokens())
            length = Integer.valueOf(tokenizer.nextToken()).intValue();
        if (offset >= 0 && length >= 0) {
            fSelectionStart = offset;
            fSelectionLength = length;
        } else
            return RefactoringStatus.createFatalErrorStatus(Messages.format(RefactoringCoreMessages.InitializableRefactoring_illegal_argument, new Object[] { selection, JavaRefactoringDescriptorUtil.ATTRIBUTE_SELECTION }));
    }
    final String handle = arguments.getAttribute(JavaRefactoringDescriptorUtil.ATTRIBUTE_INPUT);
    if (handle != null) {
        final IJavaElement element = JavaRefactoringDescriptorUtil.handleToElement(arguments.getProject(), handle, false);
        if (element == null || !element.exists())
            return JavaRefactoringDescriptorUtil.createInputFatalStatus(element, getName(), IJavaRefactorings.INLINE_CONSTANT);
        else {
            if (element instanceof ICompilationUnit) {
                fSelectionCu = (ICompilationUnit) element;
                if (selection == null)
                    return RefactoringStatus.createFatalErrorStatus(Messages.format(RefactoringCoreMessages.InitializableRefactoring_argument_not_exist, JavaRefactoringDescriptorUtil.ATTRIBUTE_SELECTION));
            } else if (element instanceof IField) {
                final IField field = (IField) element;
                try {
                    final ISourceRange range = field.getNameRange();
                    if (range != null) {
                        fSelectionStart = range.getOffset();
                        fSelectionLength = range.getLength();
                    } else
                        return RefactoringStatus.createFatalErrorStatus(Messages.format(RefactoringCoreMessages.InitializableRefactoring_argument_not_exist, IJavaRefactorings.INLINE_CONSTANT));
                } catch (JavaModelException exception) {
                    return JavaRefactoringDescriptorUtil.createInputFatalStatus(element, getName(), IJavaRefactorings.INLINE_CONSTANT);
                }
                fSelectionCu = field.getCompilationUnit();
            } else
                return RefactoringStatus.createFatalErrorStatus(Messages.format(RefactoringCoreMessages.InitializableRefactoring_illegal_argument, new Object[] { handle, JavaRefactoringDescriptorUtil.ATTRIBUTE_INPUT }));
            final ASTParser parser = ASTParser.newParser(ASTProvider.SHARED_AST_LEVEL);
            parser.setResolveBindings(true);
            parser.setSource(fSelectionCu);
            final CompilationUnit unit = (CompilationUnit) parser.createAST(null);
            initialize(fSelectionCu, unit);
            if (checkStaticFinalConstantNameSelected().hasFatalError())
                return JavaRefactoringDescriptorUtil.createInputFatalStatus(element, getName(), IJavaRefactorings.INLINE_CONSTANT);
        }
    } else
        return RefactoringStatus.createFatalErrorStatus(Messages.format(RefactoringCoreMessages.InitializableRefactoring_argument_not_exist, JavaRefactoringDescriptorUtil.ATTRIBUTE_INPUT));
    final String replace = arguments.getAttribute(ATTRIBUTE_REPLACE);
    if (replace != null) {
        fReplaceAllReferences = Boolean.valueOf(replace).booleanValue();
    } else
        return RefactoringStatus.createFatalErrorStatus(Messages.format(RefactoringCoreMessages.InitializableRefactoring_argument_not_exist, ATTRIBUTE_REPLACE));
    final String remove = arguments.getAttribute(ATTRIBUTE_REMOVE);
    if (remove != null)
        fRemoveDeclaration = Boolean.valueOf(remove).booleanValue();
    else
        return RefactoringStatus.createFatalErrorStatus(Messages.format(RefactoringCoreMessages.InitializableRefactoring_argument_not_exist, ATTRIBUTE_REMOVE));
    return new RefactoringStatus();
}

Example 28 with ASTParser

use of org.eclipse.jdt.core.dom.ASTParser in project flux by eclipse.

the class CompletionProposalReplacementProvider method getExpectedTypeForGenericParameters.

private ITypeBinding getExpectedTypeForGenericParameters() {
    char[][] chKeys = context.getExpectedTypesKeys();
    if (chKeys == null || chKeys.length == 0)
        return null;
    String[] keys = new String[chKeys.length];
    for (int i = 0; i < keys.length; i++) {
        keys[i] = String.valueOf(chKeys[0]);
    }
    final ASTParser parser = ASTParser.newParser(AST.JLS8);
    parser.setProject(compilationUnit.getJavaProject());
    parser.setResolveBindings(true);
    parser.setStatementsRecovery(true);
    final Map<String, IBinding> bindings = new HashMap<String, IBinding>();
    ASTRequestor requestor = new ASTRequestor() {

        @Override
        public void acceptBinding(String bindingKey, IBinding binding) {
            bindings.put(bindingKey, binding);
        }
    };
    parser.createASTs(new ICompilationUnit[0], keys, requestor, null);
    if (bindings.size() > 0)
        return (ITypeBinding) bindings.get(keys[0]);
    return null;
}

Example 29 with ASTParser

use of org.eclipse.jdt.core.dom.ASTParser in project flux by eclipse.

the class ASTResolving method createQuickFixAST.

public static CompilationUnit createQuickFixAST(ICompilationUnit compilationUnit, IProgressMonitor monitor) {
    ASTParser astParser = ASTParser.newParser(ASTProvider.SHARED_AST_LEVEL);
    astParser.setSource(compilationUnit);
    astParser.setResolveBindings(true);
    astParser.setStatementsRecovery(ASTProvider.SHARED_AST_STATEMENT_RECOVERY);
    astParser.setBindingsRecovery(ASTProvider.SHARED_BINDING_RECOVERY);
    return (CompilationUnit) astParser.createAST(monitor);
}

Example 30 with ASTParser

use of org.eclipse.jdt.core.dom.ASTParser in project flux by eclipse.

the class ASTNodeFactory method newType.

public static Type newType(AST ast, String content) {
    StringBuffer buffer = new StringBuffer(TYPE_HEADER);
    buffer.append(content);
    buffer.append(TYPE_FOOTER);
    ASTParser p = ASTParser.newParser(ast.apiLevel());
    p.setSource(buffer.toString().toCharArray());
    CompilationUnit root = (CompilationUnit) p.createAST(null);
    List<AbstractTypeDeclaration> list = root.types();
    TypeDeclaration typeDecl = (TypeDeclaration) list.get(0);
    MethodDeclaration methodDecl = typeDecl.getMethods()[0];
    ASTNode type = methodDecl.getReturnType2();
    ASTNode result = ASTNode.copySubtree(ast, type);
    result.accept(new PositionClearer());
    return (Type) result;
}