clang-tools  8.0.0
NoInternalDependenciesCheck.cpp
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1 //===--- NoInternalDependenciesCheck.cpp - clang-tidy----------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
11 #include "AbseilMatcher.h"
12 #include "clang/AST/ASTContext.h"
13 #include "clang/ASTMatchers/ASTMatchFinder.h"
14 
15 using namespace clang::ast_matchers;
16 
17 namespace clang {
18 namespace tidy {
19 namespace abseil {
20 
21 void NoInternalDependenciesCheck::registerMatchers(MatchFinder *Finder) {
22  if (!getLangOpts().CPlusPlus)
23  return;
24 
25  // TODO: refactor matcher to be configurable or just match on any internal
26  // access from outside the enclosing namespace.
27 
28  Finder->addMatcher(
29  nestedNameSpecifierLoc(loc(specifiesNamespace(namespaceDecl(
30  matchesName("internal"),
31  hasParent(namespaceDecl(hasName("absl")))))),
32  unless(isInAbseilFile()))
33  .bind("InternalDep"),
34  this);
35 }
36 
37 void NoInternalDependenciesCheck::check(const MatchFinder::MatchResult &Result) {
38  const auto *InternalDependency =
39  Result.Nodes.getNodeAs<NestedNameSpecifierLoc>("InternalDep");
40 
41  diag(InternalDependency->getBeginLoc(),
42  "do not reference any 'internal' namespaces; those implementation "
43  "details are reserved to Abseil");
44 }
45 
46 } // namespace abseil
47 } // namespace tidy
48 } // namespace clang
llvm::Optional< llvm::Expected< tooling::AtomicChanges > > Result
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//