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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 INCLUDED_COMPILERPLUGINS_CLANG_COMPAT_HXX
#define INCLUDED_COMPILERPLUGINS_CLANG_COMPAT_HXX
#include <memory>
#include <string>
#include "clang/AST/Decl.h"
#include "clang/AST/DeclBase.h"
#include "clang/AST/DeclCXX.h"
#include "clang/AST/Expr.h"
#include "clang/AST/Type.h"
#include "clang/Basic/Diagnostic.h"
#include "clang/Basic/DiagnosticIDs.h"
#include "clang/Basic/Linkage.h"
#include "clang/Basic/SourceManager.h"
#include "clang/Basic/Visibility.h"
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Lex/PPCallbacks.h"
#include "clang/Lex/Preprocessor.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/raw_ostream.h"
#if (__clang_major__ == 3 && __clang_minor__ >= 4) || __clang_major__ > 3
#define LO_COMPILERPLUGINS_CLANG_COMPAT_HAVE_isAtEndOfImmediateMacroExpansion \
true
#else
#define LO_COMPILERPLUGINS_CLANG_COMPAT_HAVE_isAtEndOfImmediateMacroExpansion \
false
#endif
// Compatibility wrapper to abstract over (trivial) changes in the Clang API:
namespace compat {
inline bool isExternCContext(clang::DeclContext const & ctxt) {
#if (__clang_major__ == 3 && __clang_minor__ >= 4) || __clang_major__ > 3
return ctxt.isExternCContext();
#else
for (clang::DeclContext const * c = &ctxt;
c->getDeclKind() != clang::Decl::TranslationUnit; c = c->getParent())
{
if (c->getDeclKind() == clang::Decl::LinkageSpec) {
return llvm::cast<clang::LinkageSpecDecl>(c)->getLanguage()
== clang::LinkageSpecDecl::lang_c;
}
}
return false;
#endif
}
inline bool isInExternCContext(clang::FunctionDecl const & decl) {
#if (__clang_major__ == 3 && __clang_minor__ >= 4) || __clang_major__ > 3
return decl.isInExternCContext();
#else
return isExternCContext(*decl.getCanonicalDecl()->getDeclContext());
#endif
}
#if (__clang_major__ == 3 && __clang_minor__ >= 3) || __clang_major__ > 3
typedef clang::LinkageInfo LinkageInfo;
#else
typedef clang::NamedDecl::LinkageInfo LinkageInfo;
#endif
inline clang::Linkage getLinkage(LinkageInfo const & info) {
#if (__clang_major__ == 3 && __clang_minor__ >= 3) || __clang_major__ > 3
return info.getLinkage();
#else
return info.linkage();
#endif
}
inline clang::Visibility getVisibility(LinkageInfo const & info) {
#if (__clang_major__ == 3 && __clang_minor__ >= 3) || __clang_major__ > 3
return info.getVisibility();
#else
return info.visibility();
#endif
}
inline bool isFirstDecl(clang::FunctionDecl const & decl) {
#if (__clang_major__ == 3 && __clang_minor__ >= 4) || __clang_major__ > 3
return decl.isFirstDecl();
#else
return decl.isFirstDeclaration();
#endif
}
inline clang::QualType getReturnType(clang::FunctionDecl const & decl) {
#if (__clang_major__ == 3 && __clang_minor__ >= 5) || __clang_major__ > 3
return decl.getReturnType();
#else
return decl.getResultType();
#endif
}
inline clang::QualType getReturnType(clang::FunctionProtoType const & type) {
#if (__clang_major__ == 3 && __clang_minor__ >= 5) || __clang_major__ > 3
return type.getReturnType();
#else
return type.getResultType();
#endif
}
inline unsigned getNumParams(clang::FunctionProtoType const & type) {
#if (__clang_major__ == 3 && __clang_minor__ >= 5) || __clang_major__ > 3
return type.getNumParams();
#else
return type.getNumArgs();
#endif
}
inline clang::QualType getParamType(
clang::FunctionProtoType const & type, unsigned i)
{
#if (__clang_major__ == 3 && __clang_minor__ >= 5) || __clang_major__ > 3
return type.getParamType(i);
#else
return type.getArgType(i);
#endif
}
inline unsigned getBuiltinCallee(clang::CallExpr const & expr) {
#if (__clang_major__ == 3 && __clang_minor__ >= 5) || __clang_major__ > 3
return expr.getBuiltinCallee();
#else
return expr.isBuiltinCall();
#endif
}
inline bool isInMainFile(
clang::SourceManager const & manager, clang::SourceLocation Loc)
{
#if (__clang_major__ == 3 && __clang_minor__ >= 4) || __clang_major__ > 3
return manager.isInMainFile(Loc);
#else
return manager.isFromMainFile(Loc);
#endif
}
inline unsigned getCustomDiagID(
clang::DiagnosticsEngine & engine, clang::DiagnosticsEngine::Level L,
llvm::StringRef FormatString)
{
#if (__clang_major__ == 3 && __clang_minor__ >= 5) || __clang_major__ > 3
return engine.getDiagnosticIDs()->getCustomDiagID(
static_cast<clang::DiagnosticIDs::Level>(L), FormatString);
#else
return engine.getCustomDiagID(L, FormatString);
#endif
}
inline std::unique_ptr<llvm::raw_fd_ostream> create_raw_fd_ostream(
char const * Filename, std::string & ErrorInfo)
{
#if (__clang_major__ == 3 && __clang_minor__ >= 6) || __clang_major__ > 3
std::error_code ec;
std::unique_ptr<llvm::raw_fd_ostream> s(
new llvm::raw_fd_ostream(Filename, ec, llvm::sys::fs::F_None));
ErrorInfo = ec ? "error: " + ec.message() : std::string();
return s;
#elif __clang_major__ == 3 && __clang_minor__ == 5
return std::unique_ptr<llvm::raw_fd_ostream>(
new llvm::raw_fd_ostream(Filename, ErrorInfo, llvm::sys::fs::F_None));
#else
return std::unique_ptr<llvm::raw_fd_ostream>(
new llvm::raw_fd_ostream(Filename, ErrorInfo));
#endif
}
#if (__clang_major__ == 3 && __clang_minor__ >= 7) || __clang_major__ > 3
typedef clang::DeclContext::lookup_result DeclContextLookupResult;
typedef clang::DeclContext::lookup_iterator DeclContextLookupIterator;
#else
typedef clang::DeclContext::lookup_const_result DeclContextLookupResult;
typedef clang::DeclContext::lookup_const_iterator DeclContextLookupIterator;
#endif
inline DeclContextLookupIterator begin(DeclContextLookupResult const & result) {
#if (__clang_major__ == 3 && __clang_minor__ >= 3) || __clang_major__ > 3
return result.begin();
#else
return result.first;
#endif
}
inline DeclContextLookupIterator end(DeclContextLookupResult const & result) {
#if (__clang_major__ == 3 && __clang_minor__ >= 3) || __clang_major__ > 3
return result.end();
#else
return result.second;
#endif
}
inline void addPPCallbacks(
clang::Preprocessor & preprocessor, clang::PPCallbacks * C)
{
#if (__clang_major__ == 3 && __clang_minor__ >= 6) || __clang_major__ > 3
preprocessor.addPPCallbacks(std::unique_ptr<clang::PPCallbacks>(C));
#else
preprocessor.addPPCallbacks(C);
#endif
}
inline bool isMacroBodyExpansion(clang::CompilerInstance& compiler, clang::SourceLocation location)
{
#if (__clang_major__ == 3 && __clang_minor__ >= 3) || __clang_major__ > 3
return compiler.getSourceManager().isMacroBodyExpansion(location);
#else
return location.isMacroID()
&& !compiler.getSourceManager().isMacroArgExpansion(location);
#endif
}
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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