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

Example 61 with IBinding

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

the class TempDeclarationFinder method findTempDeclaration.

/**
	 * @return <code>null</code> if the selection is invalid or does not cover a temp
	 * declaration or reference.
	 */
public static VariableDeclaration findTempDeclaration(CompilationUnit cu, int selectionOffset, int selectionLength) {
    TempSelectionAnalyzer analyzer = new TempSelectionAnalyzer(selectionOffset, selectionLength);
    cu.accept(analyzer);
    ASTNode[] selected = analyzer.getSelectedNodes();
    if (selected == null || selected.length != 1)
        return null;
    ASTNode selectedNode = selected[0];
    if (selectedNode instanceof VariableDeclaration)
        return (VariableDeclaration) selectedNode;
    if (selectedNode instanceof Name) {
        Name reference = (Name) selectedNode;
        IBinding binding = reference.resolveBinding();
        if (binding == null)
            return null;
        ASTNode declaringNode = cu.findDeclaringNode(binding);
        if (declaringNode instanceof VariableDeclaration)
            return (VariableDeclaration) declaringNode;
        else
            return null;
    } else if (selectedNode instanceof VariableDeclarationStatement) {
        VariableDeclarationStatement vds = (VariableDeclarationStatement) selectedNode;
        if (vds.fragments().size() != 1)
            return null;
        return (VariableDeclaration) vds.fragments().get(0);
    }
    return null;
}

Example 62 with IBinding

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

the class RemoveDeclarationCorrectionProposal method getRewrite.

/*(non-Javadoc)
	 * @see org.eclipse.jdt.internal.ui.text.correction.ASTRewriteCorrectionProposal#getRewrite()
	 */
@Override
protected ASTRewrite getRewrite() {
    IBinding binding = fName.resolveBinding();
    CompilationUnit root = (CompilationUnit) fName.getRoot();
    ASTRewrite rewrite;
    if (binding.getKind() == IBinding.METHOD) {
        IMethodBinding decl = ((IMethodBinding) binding).getMethodDeclaration();
        ASTNode declaration = root.findDeclaringNode(decl);
        rewrite = ASTRewrite.create(root.getAST());
        rewrite.remove(declaration, null);
    } else if (binding.getKind() == IBinding.TYPE) {
        ITypeBinding decl = ((ITypeBinding) binding).getTypeDeclaration();
        ASTNode declaration = root.findDeclaringNode(decl);
        rewrite = ASTRewrite.create(root.getAST());
        rewrite.remove(declaration, null);
    } else if (binding.getKind() == IBinding.VARIABLE) {
        // needs full AST
        CompilationUnit completeRoot = SharedASTProvider.getAST(getCompilationUnit(), SharedASTProvider.WAIT_YES, null);
        SimpleName nameNode = (SimpleName) NodeFinder.perform(completeRoot, fName.getStartPosition(), fName.getLength());
        rewrite = ASTRewrite.create(completeRoot.getAST());
        SimpleName[] references = LinkedNodeFinder.findByBinding(completeRoot, nameNode.resolveBinding());
        for (int i = 0; i < references.length; i++) {
            removeVariableReferences(rewrite, references[i]);
        }
        IVariableBinding bindingDecl = ((IVariableBinding) nameNode.resolveBinding()).getVariableDeclaration();
        ASTNode declaringNode = completeRoot.findDeclaringNode(bindingDecl);
        if (declaringNode instanceof SingleVariableDeclaration) {
            removeParamTag(rewrite, (SingleVariableDeclaration) declaringNode);
        }
    } else {
        //$NON-NLS-1$
        throw new IllegalArgumentException("Unexpected binding");
    }
    return rewrite;
}

Example 63 with IBinding

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

the class MissingReturnTypeCorrectionProposal method computeProposals.

protected Expression computeProposals(AST ast, ITypeBinding returnBinding, int returnOffset, CompilationUnit root, Expression result) {
    ScopeAnalyzer analyzer = new ScopeAnalyzer(root);
    IBinding[] bindings = analyzer.getDeclarationsInScope(returnOffset, ScopeAnalyzer.VARIABLES | ScopeAnalyzer.CHECK_VISIBILITY);
    for (int i = 0; i < bindings.length; i++) {
        IVariableBinding curr = (IVariableBinding) bindings[i];
        ITypeBinding type = curr.getType();
        if (type != null && type.isAssignmentCompatible(returnBinding) && testModifier(curr)) {
            if (result == null) {
                result = ast.newSimpleName(curr.getName());
            }
            addLinkedPositionProposal(RETURN_EXPRESSION_KEY, curr.getName(), null);
        }
    }
    return result;
}

Example 64 with IBinding

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

the class MissingReturnTypeInLambdaCorrectionProposal method computeProposals.

@Override
protected Expression computeProposals(AST ast, ITypeBinding returnBinding, int returnOffset, CompilationUnit root, Expression result) {
    ScopeAnalyzer analyzer = new ScopeAnalyzer(root);
    IBinding[] bindings = analyzer.getDeclarationsInScope(returnOffset, ScopeAnalyzer.VARIABLES | ScopeAnalyzer.CHECK_VISIBILITY);
    org.eclipse.jdt.core.dom.NodeFinder finder = new org.eclipse.jdt.core.dom.NodeFinder(root, returnOffset, 0);
    ASTNode varDeclFrag = ASTResolving.findAncestor(finder.getCoveringNode(), ASTNode.VARIABLE_DECLARATION_FRAGMENT);
    IVariableBinding varDeclFragBinding = null;
    if (varDeclFrag != null)
        varDeclFragBinding = ((VariableDeclarationFragment) varDeclFrag).resolveBinding();
    for (int i = 0; i < bindings.length; i++) {
        IVariableBinding curr = (IVariableBinding) bindings[i];
        ITypeBinding type = curr.getType();
        // Bindings are compared to make sure that a lambda does not return a variable which is yet to be initialised.
        if (type != null && type.isAssignmentCompatible(returnBinding) && testModifier(curr) && !Bindings.equals(curr, varDeclFragBinding)) {
            if (result == null) {
                result = ast.newSimpleName(curr.getName());
            }
            addLinkedPositionProposal(RETURN_EXPRESSION_KEY, curr.getName(), null);
        }
    }
    return result;
}

Example 65 with IBinding

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

the class NewVariableCorrectionProposal method evaluateFieldModifiers.

private int evaluateFieldModifiers(ASTNode newTypeDecl) {
    if (fSenderBinding.isAnnotation()) {
        return 0;
    }
    if (fSenderBinding.isInterface()) {
        // for interface members copy the modifiers from an existing field
        FieldDeclaration[] fieldDecls = ((TypeDeclaration) newTypeDecl).getFields();
        if (fieldDecls.length > 0) {
            return fieldDecls[0].getModifiers();
        }
        return 0;
    }
    int modifiers = 0;
    if (fVariableKind == CONST_FIELD) {
        modifiers |= Modifier.FINAL | Modifier.STATIC;
    } else {
        ASTNode parent = fOriginalNode.getParent();
        if (parent instanceof QualifiedName) {
            IBinding qualifierBinding = ((QualifiedName) parent).getQualifier().resolveBinding();
            if (qualifierBinding instanceof ITypeBinding) {
                modifiers |= Modifier.STATIC;
            }
        } else if (ASTResolving.isInStaticContext(fOriginalNode)) {
            modifiers |= Modifier.STATIC;
        }
    }
    ASTNode node = ASTResolving.findParentType(fOriginalNode, true);
    if (newTypeDecl.equals(node)) {
        modifiers |= Modifier.PRIVATE;
    } else if (node instanceof AnonymousClassDeclaration) {
        modifiers |= Modifier.PROTECTED;
    } else {
        modifiers |= Modifier.PUBLIC;
    }
    return modifiers;
}