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/* -*- 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/.
*/
#ifndef LO_CLANG_SHARED_PLUGINS
#include <memory>
#include <cassert>
#include <string>
#include <iostream>
#include <fstream>
#include <set>
#include "config_clang.h"
#include "check.hxx"
#include "plugin.hxx"
/**
*/
namespace
{
class ColorCheck : public loplugin::FilteringPlugin<ColorCheck>
{
public:
explicit ColorCheck(loplugin::InstantiationData const& data)
: FilteringPlugin(data)
{
}
virtual void run() override
{
if (preRun())
TraverseDecl(compiler.getASTContext().getTranslationUnitDecl());
}
bool VisitCXXConstructExpr(const CXXConstructExpr*);
};
bool ColorCheck::VisitCXXConstructExpr(const CXXConstructExpr* constructExpr)
{
if (ignoreLocation(constructExpr))
return true;
if (constructExpr->getNumArgs() != 1)
return true;
auto tc = loplugin::TypeCheck(constructExpr->getType());
if (!tc.Class("Color").GlobalNamespace())
return true;
StringRef aFileName = getFilenameOfLocation(
compiler.getSourceManager().getSpellingLoc(constructExpr->getBeginLoc()));
if (loplugin::isSamePathname(aFileName, SRCDIR "/include/tools/color.hxx"))
return true;
const CXXConstructorDecl* constructorDecl = constructExpr->getConstructor();
constructorDecl = constructorDecl->getCanonicalDecl();
if (!loplugin::TypeCheck(constructorDecl->getParamDecl(0)->getType())
.Typedef("sal_uInt32")
.GlobalNamespace())
return true;
auto arg0 = constructExpr->getArg(0);
if (arg0->isCXX11ConstantExpr(compiler.getASTContext()))
{
if (!arg0->isValueDependent())
{
llvm::Optional<llvm::APSInt> xVal
= arg0->getIntegerConstantExpr(compiler.getASTContext());
if (xVal && *xVal > 0xffffff)
report(DiagnosticsEngine::Warning,
"Rather use the ColorTransparency or ColorAlpha version of this constructor",
arg0->getExprLoc());
return true;
}
}
report(DiagnosticsEngine::Warning,
"Rather use the ColorTransparency or ColorAlpha version of this constructor",
arg0->getExprLoc());
return true;
}
loplugin::Plugin::Registration<ColorCheck> colorcheck("colorcheck");
} // namespace
#endif // LO_CLANG_SHARED_PLUGINS
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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