120 lines
3.7 KiB
C++
120 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
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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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#include <cassert>
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#include "compat.hxx"
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#include "plugin.hxx"
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namespace {
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class OslEndian: public loplugin::Plugin, public PPCallbacks {
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public:
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explicit OslEndian(loplugin::InstantiationData const & data): Plugin(data) {
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compat::addPPCallbacks(compiler.getPreprocessor(), this);
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}
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enum { isPPCallback = true };
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private:
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void run() override {}
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void MacroDefined(Token const & MacroNameTok, MacroDirective const *)
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override
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{
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auto id = MacroNameTok.getIdentifierInfo()->getName();
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if (id == "OSL_BIGENDIAN") {
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if (definedLit_.isValid()) {
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report(
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DiagnosticsEngine::Warning,
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"macro %0 defined in addition to 'OSL_LITENDIAN'",
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MacroNameTok.getLocation())
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<< MacroNameTok.getIdentifierInfo();
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report(
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DiagnosticsEngine::Note,
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"conflicting macro definition is here", definedLit_);
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}
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definedBig_ = MacroNameTok.getLocation();
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assert(definedBig_.isValid());
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} else if (id == "OSL_LITENDIAN") {
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if (definedBig_.isValid()) {
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report(
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DiagnosticsEngine::Warning,
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"macro %0 defined in addition to 'OSL_BIGENDIAN'",
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MacroNameTok.getLocation())
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<< MacroNameTok.getIdentifierInfo();
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report(
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DiagnosticsEngine::Note,
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"conflicting macro definition is here", definedBig_);
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}
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definedLit_ = MacroNameTok.getLocation();
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assert(definedLit_.isValid());
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}
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}
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void MacroUndefined(
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Token const & MacroNameTok, compat::MacroDefinitionParam
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#if CLANG_VERSION >= 50000
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, MacroDirective const *
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#endif
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) override
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{
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auto id = MacroNameTok.getIdentifierInfo()->getName();
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if (id == "OSL_BIGENDIAN" || id == "OSL_LITENDIAN") {
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report(
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DiagnosticsEngine::Warning, "macro %0 undefinition",
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MacroNameTok.getLocation())
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<< MacroNameTok.getIdentifierInfo();
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}
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}
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void Defined(
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Token const & MacroNameTok, compat::MacroDefinitionParam, SourceRange)
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override
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{
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check(MacroNameTok);
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}
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void Ifdef(
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SourceLocation, Token const & MacroNameTok,
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compat::MacroDefinitionParam) override
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{
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check(MacroNameTok);
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}
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void Ifndef(
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SourceLocation, Token const & MacroNameTok,
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compat::MacroDefinitionParam) override
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{
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check(MacroNameTok);
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}
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void check(Token const & macro) const {
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auto id = macro.getIdentifierInfo()->getName();
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if ((id == "OSL_BIGENDIAN" || id == "OSL_LITENDIAN")
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&& definedBig_.isInvalid() && definedLit_.isInvalid())
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{
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report(
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DiagnosticsEngine::Warning,
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"definition of macro %0 checked but 'osl/endian.h' is not"
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" included",
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macro.getLocation())
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<< macro.getIdentifierInfo();
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}
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}
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SourceLocation definedBig_;
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SourceLocation definedLit_;
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};
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loplugin::Plugin::Registration<OslEndian> X("oslendian");
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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