libreoffice/compilerplugins/clang/typecheck.cxx

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

#include "compat.hxx"
#include "typecheck.hxx"

namespace loplugin {

TypeCheck TypeCheck::Const() const {
    return
        (!type_.isNull() && type_.isConstQualified()
         && !type_.isVolatileQualified())
        ? *this : TypeCheck();
        // returning TypeCheck(type_.getUnqualifiedType()) instead of *this
        // may look tempting, but could remove sugar we might be interested in
        // checking for
}

TerminalCheck TypeCheck::Char() const {
    return TerminalCheck(
        !type_.isNull()
        && (type_->isSpecificBuiltinType(clang::BuiltinType::Char_S)
            || type_->isSpecificBuiltinType(clang::BuiltinType::Char_U)));
}

TypeCheck TypeCheck::LvalueReference() const {
    if (!type_.isNull()) {
        auto const t = type_->getAs<clang::LValueReferenceType>();
        if (t != nullptr) {
            return TypeCheck(t->getPointeeType());
        }
    }
    return TypeCheck();
}

TypeCheck TypeCheck::Pointer() const {
    if (!type_.isNull()) {
        auto const t = type_->getAs<clang::PointerType>();
        if (t != nullptr) {
            return TypeCheck(t->getPointeeType());
        }
    }
    return TypeCheck();
}

TypeCheck TypeCheck::NotSubstTemplateTypeParmType() const {
    return
        (!type_.isNull()
         && type_->getAs<clang::SubstTemplateTypeParmType>() == nullptr)
        ? *this : TypeCheck();
}

TerminalCheck NamespaceCheck::GlobalNamespace() const {
    return TerminalCheck(
        context_ != nullptr
        && ((compat::isLookupContext(*context_)
             ? context_ : context_->getLookupParent())
            ->isTranslationUnit()));
}

TerminalCheck NamespaceCheck::StdNamespace() const {
    return TerminalCheck(context_ != nullptr && context_->isStdNamespace());
}

}

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