6f33d21fdd
(<397f2e9ebe>)
Change-Id: I51acda5951f8250d1a1b47e1c2612199ae7338a2
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/152618
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
98 lines
2.7 KiB
C++
98 lines
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#ifndef LO_CLANG_SHARED_PLUGINS
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#include <memory>
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#include <cassert>
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#include <string>
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#include <iostream>
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#include <fstream>
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#include <set>
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#include "config_clang.h"
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#include "check.hxx"
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#include "compat.hxx"
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#include "plugin.hxx"
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/**
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*/
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namespace
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{
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class ColorCheck : public loplugin::FilteringPlugin<ColorCheck>
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{
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public:
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explicit ColorCheck(loplugin::InstantiationData const& data)
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: FilteringPlugin(data)
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{
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}
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virtual void run() override
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{
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if (preRun())
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TraverseDecl(compiler.getASTContext().getTranslationUnitDecl());
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}
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bool VisitCXXConstructExpr(const CXXConstructExpr*);
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};
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bool ColorCheck::VisitCXXConstructExpr(const CXXConstructExpr* constructExpr)
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{
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if (ignoreLocation(constructExpr))
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return true;
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if (constructExpr->getNumArgs() != 1)
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return true;
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auto tc = loplugin::TypeCheck(constructExpr->getType());
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if (!tc.Class("Color").GlobalNamespace())
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return true;
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StringRef aFileName = getFilenameOfLocation(
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compiler.getSourceManager().getSpellingLoc(constructExpr->getBeginLoc()));
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if (loplugin::isSamePathname(aFileName, SRCDIR "/include/tools/color.hxx"))
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return true;
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const CXXConstructorDecl* constructorDecl = constructExpr->getConstructor();
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constructorDecl = constructorDecl->getCanonicalDecl();
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if (!loplugin::TypeCheck(constructorDecl->getParamDecl(0)->getType())
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.Typedef("sal_uInt32")
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.GlobalNamespace())
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return true;
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auto arg0 = constructExpr->getArg(0);
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if (arg0->isCXX11ConstantExpr(compiler.getASTContext()))
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{
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if (!arg0->isValueDependent())
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{
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compat::optional<llvm::APSInt> xVal
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= arg0->getIntegerConstantExpr(compiler.getASTContext());
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if (xVal && *xVal > 0xffffff)
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report(DiagnosticsEngine::Warning,
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"Rather use the ColorTransparency or ColorAlpha version of this constructor",
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arg0->getExprLoc());
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return true;
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}
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}
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report(DiagnosticsEngine::Warning,
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"Rather use the ColorTransparency or ColorAlpha version of this constructor",
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arg0->getExprLoc());
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return true;
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}
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loplugin::Plugin::Registration<ColorCheck> colorcheck("colorcheck");
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} // namespace
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#endif // LO_CLANG_SHARED_PLUGINS
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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