office-gobmx/compilerplugins/clang/includeform.cxx
Stephan Bergmann b35bb38f18 Clean away temporarily added using declarations
Change-Id: I26734c13515394162d88351a1cbe2b20abdac865
2017-11-07 11:50:47 +01:00

104 lines
3.9 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* 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 "plugin.hxx"
namespace {
class IncludeForm final: public PPCallbacks, public loplugin::RewritePlugin {
public:
explicit IncludeForm(loplugin::InstantiationData const & data):
RewritePlugin(data)
{ compat::addPPCallbacks(compiler.getPreprocessor(), this); }
private:
void run() override {}
void InclusionDirective(
SourceLocation HashLoc, Token const & IncludeTok, StringRef,
bool IsAngled, CharSourceRange FilenameRange, FileEntry const * File,
StringRef SearchPath, StringRef, clang::Module const *) override
{
if (ignoreLocation(HashLoc)) {
return;
}
if (File == nullptr) { // in case of "fatal error: '...' file not found"
return;
}
if (IncludeTok.getIdentifierInfo()->getPPKeywordID() != tok::pp_include)
{
return;
}
auto const uno = isInUnoIncludeFile(HashLoc)
&& !compiler.getSourceManager().isInMainFile(HashLoc);
// exclude the various compat.cxx that are included in
// isInUnoIncludeFile
//TODO: 'uno' should be false if HashLoc is inside an
// '#ifdef LIBO_INTERNAL_ONLY' block
bool shouldUseAngles;
if (uno) {
shouldUseAngles
= (!(loplugin::hasPathnamePrefix(SearchPath, SRCDIR)
|| loplugin::hasPathnamePrefix(SearchPath, BUILDDIR))
|| loplugin::hasPathnamePrefix(
SearchPath, WORKDIR "/UnpackedTarball"));
} else {
auto const file = StringRef(
compiler.getSourceManager().getPresumedLoc(HashLoc)
.getFilename());
auto pos = file.rfind('/');
#if defined _WIN32
auto const pos2 = file.rfind('\\');
if (pos2 != StringRef::npos
&& (pos == StringRef::npos || pos2 > pos))
{
pos = pos2;
}
#endif
auto const dir = compat::take_front(file, pos);
shouldUseAngles = !loplugin::isSamePathname(SearchPath, dir);
}
if (shouldUseAngles == IsAngled) {
return;
}
if (rewriter != nullptr) {
auto last = FilenameRange.getEnd().getLocWithOffset(-1);
if ((compiler.getSourceManager().getCharacterData(
FilenameRange.getBegin())[0]
== (IsAngled ? '<' : '"'))
&& (compiler.getSourceManager().getCharacterData(last)[0]
== (IsAngled ? '>' : '"'))
&& replaceText(
FilenameRange.getBegin(), 1, shouldUseAngles ? "<" : "\"")
&& replaceText(last, 1, shouldUseAngles ? ">" : "\""))
{
//TODO: atomically only replace both or neither
return;
}
}
report(
DiagnosticsEngine::Warning,
("%select{|in UNO API include file, }0replace"
" %select{\"...\"|<...>}1 include form with"
" %select{\"...\"|<...>}2 for inclusion of %select{%select{a"
" source file next to the current source file|a source file not"
" next to the current source file, or a header}2|%select{a source"
" file|a header}2}0, %3"),
FilenameRange.getBegin())
<< uno << IsAngled << shouldUseAngles << File->getName()
<< FilenameRange;
}
};
static loplugin::Plugin::Registration<IncludeForm> reg("includeform", true);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */