Example usage for org.eclipse.jdt.internal.core.util Util typeParameterSignatures

Introduction

In this page you can find the example usage for org.eclipse.jdt.internal.core.util Util typeParameterSignatures.

Prototype

public static String[] typeParameterSignatures(AbstractMethodDeclaration method) 

Source Link

Usage

From source file:com.codenvy.ide.ext.java.server.internal.core.util.HandleFactory.java

License:Open Source License

/**
 * Create handle by adding child to parent obtained by recursing into parent scopes.
 *//*from   www.  jav a 2 s .  c o m*/
private IJavaElement createElement(Scope scope, int elementPosition, ICompilationUnit unit,
        HashSet existingElements, HashMap knownScopes) {
    IJavaElement newElement = (IJavaElement) knownScopes.get(scope);
    if (newElement != null)
        return newElement;

    switch (scope.kind) {
    case Scope.COMPILATION_UNIT_SCOPE:
        newElement = unit;
        break;
    case Scope.CLASS_SCOPE:
        IJavaElement parentElement = createElement(scope.parent, elementPosition, unit, existingElements,
                knownScopes);
        switch (parentElement.getElementType()) {
        case IJavaElement.COMPILATION_UNIT:
            newElement = ((ICompilationUnit) parentElement)
                    .getType(new String(scope.enclosingSourceType().sourceName));
            break;
        case IJavaElement.TYPE:
            newElement = ((IType) parentElement).getType(new String(scope.enclosingSourceType().sourceName));
            break;
        case IJavaElement.FIELD:
        case IJavaElement.INITIALIZER:
        case IJavaElement.METHOD:
            IMember member = (IMember) parentElement;
            if (member.isBinary()) {
                return null;
            } else {
                newElement = member.getType(new String(scope.enclosingSourceType().sourceName), 1);
                // increment occurrence count if collision is detected
                if (newElement != null) {
                    while (!existingElements.add(newElement))
                        ((SourceRefElement) newElement).occurrenceCount++;
                }
            }
            break;
        }
        if (newElement != null) {
            knownScopes.put(scope, newElement);
        }
        break;
    case Scope.METHOD_SCOPE:
        IType parentType = (IType) createElement(scope.parent, elementPosition, unit, existingElements,
                knownScopes);
        MethodScope methodScope = (MethodScope) scope;
        if (methodScope.isInsideInitializer()) {
            // inside field or initializer, must find proper one
            TypeDeclaration type = methodScope.referenceType();
            int occurenceCount = 1;
            int length = type.fields == null ? 0 : type.fields.length;
            for (int i = 0; i < length; i++) {
                FieldDeclaration field = type.fields[i];
                if (field.declarationSourceStart <= elementPosition
                        && elementPosition <= field.declarationSourceEnd) {
                    switch (field.getKind()) {
                    case AbstractVariableDeclaration.FIELD:
                    case AbstractVariableDeclaration.ENUM_CONSTANT:
                        newElement = parentType.getField(new String(field.name));
                        break;
                    case AbstractVariableDeclaration.INITIALIZER:
                        newElement = parentType.getInitializer(occurenceCount);
                        break;
                    }
                    break;
                } else if (field.getKind() == AbstractVariableDeclaration.INITIALIZER) {
                    occurenceCount++;
                }
            }
        } else {
            // method element
            AbstractMethodDeclaration method = methodScope.referenceMethod();
            newElement = parentType.getMethod(new String(method.selector),
                    Util.typeParameterSignatures(method));
            if (newElement != null) {
                knownScopes.put(scope, newElement);
            }
        }
        break;
    case Scope.BLOCK_SCOPE:
        // standard block, no element per se
        newElement = createElement(scope.parent, elementPosition, unit, existingElements, knownScopes);
        break;
    }
    return newElement;
}

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From source file:org.eclipse.che.jdt.internal.core.util.HandleFactory.java

License:Open Source License

/**
 * Create handle by adding child to parent obtained by recursing into parent scopes.
 *//* w w w . j  a  v  a2s.c om*/
public IJavaElement createElement(Scope scope, int elementPosition, ICompilationUnit unit,
        HashSet existingElements, HashMap knownScopes) {
    IJavaElement newElement = (IJavaElement) knownScopes.get(scope);
    if (newElement != null)
        return newElement;

    switch (scope.kind) {
    case Scope.COMPILATION_UNIT_SCOPE:
        newElement = unit;
        break;
    case Scope.CLASS_SCOPE:
        IJavaElement parentElement = createElement(scope.parent, elementPosition, unit, existingElements,
                knownScopes);
        switch (parentElement.getElementType()) {
        case IJavaElement.COMPILATION_UNIT:
            newElement = ((ICompilationUnit) parentElement)
                    .getType(new String(scope.enclosingSourceType().sourceName));
            break;
        case IJavaElement.TYPE:
            newElement = ((IType) parentElement).getType(new String(scope.enclosingSourceType().sourceName));
            break;
        case IJavaElement.FIELD:
        case IJavaElement.INITIALIZER:
        case IJavaElement.METHOD:
            IMember member = (IMember) parentElement;
            if (member.isBinary()) {
                return null;
            } else {
                newElement = member.getType(new String(scope.enclosingSourceType().sourceName), 1);
                // increment occurrence count if collision is detected
                if (newElement != null) {
                    while (!existingElements.add(newElement))
                        ((SourceRefElement) newElement).occurrenceCount++;
                }
            }
            break;
        }
        if (newElement != null) {
            knownScopes.put(scope, newElement);
        }
        break;
    case Scope.METHOD_SCOPE:
        if (scope.isLambdaScope()) {
            parentElement = createElement(scope.parent, elementPosition, unit, existingElements, knownScopes);
            LambdaExpression expression = (LambdaExpression) scope.originalReferenceContext();
            if (expression.resolvedType != null && expression.resolvedType.isValidBinding()
                    && !(expression.descriptor instanceof ProblemMethodBinding)) { // chain in lambda element only if resolved properly.
                //newElement = new org.eclipse.jdt.internal.core.SourceLambdaExpression((JavaElement) parentElement, expression)
                // .getMethod();

                newElement = LambdaFactory.createLambdaExpression((JavaElement) parentElement, expression)
                        .getMethod();
                knownScopes.put(scope, newElement);
                return newElement;
            }
            return parentElement;
        }
        IType parentType = (IType) createElement(scope.parent, elementPosition, unit, existingElements,
                knownScopes);
        MethodScope methodScope = (MethodScope) scope;
        if (methodScope.isInsideInitializer()) {
            // inside field or initializer, must find proper one
            TypeDeclaration type = methodScope.referenceType();
            int occurenceCount = 1;
            int length = type.fields == null ? 0 : type.fields.length;
            for (int i = 0; i < length; i++) {
                FieldDeclaration field = type.fields[i];
                if (field.declarationSourceStart <= elementPosition
                        && elementPosition <= field.declarationSourceEnd) {
                    switch (field.getKind()) {
                    case AbstractVariableDeclaration.FIELD:
                    case AbstractVariableDeclaration.ENUM_CONSTANT:
                        newElement = parentType.getField(new String(field.name));
                        break;
                    case AbstractVariableDeclaration.INITIALIZER:
                        newElement = parentType.getInitializer(occurenceCount);
                        break;
                    }
                    break;
                } else if (field.getKind() == AbstractVariableDeclaration.INITIALIZER) {
                    occurenceCount++;
                }
            }
        } else {
            // method element
            AbstractMethodDeclaration method = methodScope.referenceMethod();
            newElement = parentType.getMethod(new String(method.selector),
                    Util.typeParameterSignatures(method));
            if (newElement != null) {
                knownScopes.put(scope, newElement);
            }
        }
        break;
    case Scope.BLOCK_SCOPE:
        // standard block, no element per se
        newElement = createElement(scope.parent, elementPosition, unit, existingElements, knownScopes);
        break;
    }
    return newElement;
}

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