forked from OSchip/llvm-project
67 lines
2.2 KiB
C++
67 lines
2.2 KiB
C++
//===--- StaticDefinitionInAnonymousNamespaceCheck.cpp - clang-tidy--------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "StaticDefinitionInAnonymousNamespaceCheck.h"
|
|
#include "clang/AST/ASTContext.h"
|
|
#include "clang/ASTMatchers/ASTMatchFinder.h"
|
|
#include "clang/Lex/Lexer.h"
|
|
|
|
using namespace clang::ast_matchers;
|
|
|
|
namespace clang {
|
|
namespace tidy {
|
|
namespace readability {
|
|
|
|
void StaticDefinitionInAnonymousNamespaceCheck::registerMatchers(
|
|
MatchFinder *Finder) {
|
|
Finder->addMatcher(
|
|
namedDecl(anyOf(functionDecl(isDefinition(), isStaticStorageClass()),
|
|
varDecl(isDefinition(), isStaticStorageClass())),
|
|
hasParent(namespaceDecl(isAnonymous())))
|
|
.bind("static-def"),
|
|
this);
|
|
}
|
|
|
|
void StaticDefinitionInAnonymousNamespaceCheck::check(
|
|
const MatchFinder::MatchResult &Result) {
|
|
const auto *Def = Result.Nodes.getNodeAs<NamedDecl>("static-def");
|
|
// Skips all static definitions defined in Macro.
|
|
if (Def->getLocation().isMacroID())
|
|
return;
|
|
|
|
// Skips all static definitions in function scope.
|
|
const DeclContext *DC = Def->getDeclContext();
|
|
if (DC->getDeclKind() != Decl::Namespace)
|
|
return;
|
|
|
|
auto Diag =
|
|
diag(Def->getLocation(), "%0 is a static definition in "
|
|
"anonymous namespace; static is redundant here")
|
|
<< Def;
|
|
Token Tok;
|
|
SourceLocation Loc = Def->getSourceRange().getBegin();
|
|
while (Loc < Def->getSourceRange().getEnd() &&
|
|
!Lexer::getRawToken(Loc, Tok, *Result.SourceManager, getLangOpts(),
|
|
true)) {
|
|
SourceRange TokenRange(Tok.getLocation(), Tok.getEndLoc());
|
|
StringRef SourceText =
|
|
Lexer::getSourceText(CharSourceRange::getTokenRange(TokenRange),
|
|
*Result.SourceManager, getLangOpts());
|
|
if (SourceText == "static") {
|
|
Diag << FixItHint::CreateRemoval(TokenRange);
|
|
break;
|
|
}
|
|
Loc = Tok.getEndLoc();
|
|
}
|
|
}
|
|
|
|
} // namespace readability
|
|
} // namespace tidy
|
|
} // namespace clang
|