Java 类com.intellij.lang.javascript.psi.JSNewExpression 实例源码

@Override public void visitJSNewExpression(JSNewExpression jsNewExpression) {
    super.visitJSNewExpression(
            jsNewExpression);
    final JSExpression methodExpression;
    try {
        methodExpression = jsNewExpression.getMethodExpression();
    } catch (Exception e) {
        return; //catching an intelliJ CCE
    }
    if (!(methodExpression instanceof JSReferenceExpression)) {
        return;
    }
    final JSReferenceExpression referenceExpression = (JSReferenceExpression) methodExpression;
    final JSExpression qualifier = referenceExpression.getQualifier();

    if (qualifier != null) {
        return;
    }
    @NonNls final String methodName = referenceExpression.getReferencedName();
    if (!"Function".equals(methodName)) {
        return;
    }
    registerError(methodExpression);
}

@Override
public void invoke(@NotNull Project project, @NotNull PsiFile psiFile, @Nullable("is null when called from inspection") Editor editor, @NotNull PsiElement element, @NotNull PsiElement end) throws IncorrectOperationException {
    PsiElement parent = element.getParent();
    if (!(parent instanceof JSNewExpression)) return;
    final JSExpressionCodeFragment useStrict = JSElementFactory.createExpressionCodeFragment(project, getNewExp(), parent);
    PsiElement child = useStrict.getFirstChild();
    parent.replace(child);
}

public static boolean isLHSExpression(JSExpression expr)
{
    if(expr instanceof JSDefinitionExpression)
    {
        expr = ((JSDefinitionExpression) expr).getExpression();
    }

    if(expr instanceof JSReferenceExpression)
    {
        return true;
    }

    if(expr instanceof JSParenthesizedExpression)
    {
        return isLHSExpression(((JSParenthesizedExpression) expr).getInnerExpression());
    }

    if(expr instanceof JSIndexedPropertyAccessExpression)
    {
        return true;
    }

    if(expr instanceof JSCallExpression)
    {
        return true;
    }

    if(expr instanceof JSNewExpression)
    {
        return true;
    }

    return false;
}

@Override public void visitJSExpressionStatement(
        @NotNull JSExpressionStatement statement) {
    super.visitJSExpressionStatement(statement);
    if (!(statement.getExpression()instanceof JSNewExpression)) {
        return;
    }
    final JSNewExpression newExpression =
            (JSNewExpression) statement.getExpression();
    final JSExpression methodExpression =
            newExpression.getMethodExpression();
    if (methodExpression == null) {
        return;
    }
    registerError(methodExpression);
}

private static boolean newExpressionDefinitelyRecurses(JSNewExpression exp,
                                                       JSFunction method) {
    final JSArgumentList argumentList = exp.getArgumentList();
    if (argumentList != null) {
        final JSExpression[] args = argumentList.getArguments();
        for (final JSExpression arg : args) {
            if (RecursionUtil.expressionDefinitelyRecurses(arg, method)) {
                return true;
            }
        }
    }
    return false;
}

private static boolean expressionDefinitelyRecurses(JSExpression exp,
                                                    JSFunction method) {
    if (exp == null) {
        return false;
    }
    if (exp instanceof JSNewExpression) {
        return RecursionUtil.newExpressionDefinitelyRecurses(
                (JSNewExpression) exp, method);
    }
    if (exp instanceof JSCallExpression) {
        return RecursionUtil.callExpressionDefinitelyRecurses(
                (JSCallExpression) exp, method);
    }
    if (exp instanceof JSAssignmentExpression) {
        return RecursionUtil.assignmentExpressionDefinitelyRecurses(
                (JSAssignmentExpression) exp, method);
    }
    if (exp instanceof JSArrayLiteralExpression) {
        return RecursionUtil.arrayLiteralExpressionDefinitelyRecurses(
                (JSArrayLiteralExpression) exp, method);
    }
    if (exp instanceof JSIndexedPropertyAccessExpression) {
        return RecursionUtil.indexedPropertyAccessExpressionDefinitelyRecurses(
                (JSIndexedPropertyAccessExpression) exp, method);
    }
    if (exp instanceof JSPrefixExpression) {
        return RecursionUtil.prefixExpressionDefinitelyRecurses(
                (JSPrefixExpression) exp, method);
    }
    if (exp instanceof JSPostfixExpression) {
        return RecursionUtil.postfixExpressionDefinitelyRecurses(
                (JSPostfixExpression) exp, method);
    }
    if (exp instanceof JSBinaryExpression) {
        return RecursionUtil.binaryExpressionDefinitelyRecurses(
                (JSBinaryExpression) exp, method);
    }
    if (exp instanceof JSConditionalExpression) {
        return RecursionUtil.conditionalExpressionDefinitelyRecurses(
                (JSConditionalExpression) exp, method);
    }
    if (exp instanceof JSParenthesizedExpression) {
        return RecursionUtil.parenthesizedExpressionDefinitelyRecurses(
                (JSParenthesizedExpression) exp, method);
    }
    if (exp instanceof JSReferenceExpression) {
        return RecursionUtil.referenceExpressionDefinitelyRecurses(
                (JSReferenceExpression) exp, method);
    }
    if (exp instanceof JSLiteralExpression ||
        exp instanceof JSThisExpression) {
        return false;
    }
    return false;
}