r271288 - [ASTMatchers] Breaking change of `has` matcher

Rafael EspĂ­ndola via cfe-commits cfe-commits at lists.llvm.org
Tue May 31 09:00:26 PDT 2016


I think is just the usual "llvm.org is crazy slow". I am trying to commit.

Cheers,
Rafael


On 31 May 2016 at 08:54, Piotr Padlewski <piotr.padlewski at gmail.com> wrote:
> dunno why but I can't fetch from upstream
>
> Can you push this change?
>
> ------------------------- include/clang/CMakeLists.txt
> -------------------------
> index 96905c9..feb81f0 100644
> @@ -5,4 +5,3 @@ add_subdirectory(Parse)
>  add_subdirectory(Sema)
>  add_subdirectory(Serialization)
>  add_subdirectory(StaticAnalyzer/Checkers)
> -add_subdirectory(ASTMatchers)
>
> 2016-05-31 17:48 GMT+02:00 Piotr Padlewski <piotr.padlewski at gmail.com>:
>>
>> Yep, sending fix
>>
>> 2016-05-31 17:45 GMT+02:00 Rafael EspĂ­ndola <rafael.espindola at gmail.com>:
>>>
>>> This broke the build:
>>>
>>> http://lab.llvm.org:8011/builders/clang-x86_64-debian-fast/builds/36968/steps/cmake-configure/logs/stdio
>>>
>>> On 31 May 2016 at 08:25, Piotr Padlewski via cfe-commits
>>> <cfe-commits at lists.llvm.org> wrote:
>>> > Author: prazek
>>> > Date: Tue May 31 10:25:05 2016
>>> > New Revision: 271288
>>> >
>>> > URL: http://llvm.org/viewvc/llvm-project?rev=271288&view=rev
>>> > Log:
>>> > [ASTMatchers] Breaking change of `has` matcher
>>> >
>>> > has matcher can now match to implicit and paren casts
>>> >
>>> > http://reviews.llvm.org/D20801
>>> >
>>> > Modified:
>>> >     cfe/trunk/docs/ReleaseNotes.rst
>>> >     cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h
>>> >     cfe/trunk/include/clang/ASTMatchers/ASTMatchersInternal.h
>>> >     cfe/trunk/include/clang/CMakeLists.txt
>>> >     cfe/trunk/unittests/AST/ASTImporterTest.cpp
>>> >     cfe/trunk/unittests/ASTMatchers/ASTMatchersTraversalTest.cpp
>>> >
>>> > Modified: cfe/trunk/docs/ReleaseNotes.rst
>>> > URL:
>>> > http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/ReleaseNotes.rst?rev=271288&r1=271287&r2=271288&view=diff
>>> >
>>> > ==============================================================================
>>> > --- cfe/trunk/docs/ReleaseNotes.rst (original)
>>> > +++ cfe/trunk/docs/ReleaseNotes.rst Tue May 31 10:25:05 2016
>>> > @@ -185,11 +185,13 @@ this section should help get you past th
>>> >  AST Matchers
>>> >  ------------
>>> >
>>> > -- hasAnyArgument: Matcher no longer ignores parentheses and implicit
>>> > casts on
>>> > -  the argument before applying the inner matcher. The fix was done to
>>> > allow for
>>> > -  greater control by the user. In all existing checkers that use this
>>> > matcher
>>> > -  all instances of code ``hasAnyArgument(<inner matcher>)`` must be
>>> > changed to
>>> > -  ``hasAnyArgument(ignoringParenImpCasts(<inner matcher>))``.
>>> > +- has and hasAnyArgument: Matchers no longer ignores parentheses and
>>> > implicit
>>> > +  casts on the argument before applying the inner matcher. The fix was
>>> > done to
>>> > +  allow for greater control by the user. In all existing checkers that
>>> > use this
>>> > +  matcher all instances of code ``hasAnyArgument(<inner matcher>)`` or
>>> > +  ``has(<inner matcher>)`` must be changed to
>>> > +  ``hasAnyArgument(ignoringParenImpCasts(<inner matcher>))`` or
>>> > +  ``has(ignoringParenImpCasts(<inner matcher>))``.
>>> >
>>> >  ...
>>> >
>>> >
>>> > Modified: cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h
>>> > URL:
>>> > http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h?rev=271288&r1=271287&r2=271288&view=diff
>>> >
>>> > ==============================================================================
>>> > --- cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h (original)
>>> > +++ cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h Tue May 31
>>> > 10:25:05 2016
>>> > @@ -2169,6 +2169,10 @@ AST_MATCHER_P(CXXRecordDecl, hasMethod,
>>> >  /// ChildT must be an AST base type.
>>> >  ///
>>> >  /// Usable as: Any Matcher
>>> > +/// Note that has is direct matcher, so it also matches things like
>>> > implicit
>>> > +/// casts and paren casts. If you are matching with expr then you
>>> > should
>>> > +/// probably consider using ignoringParenImpCasts like:
>>> > +/// has(ignoringParenImpCasts(expr())).
>>> >  const internal::ArgumentAdaptingMatcherFunc<internal::HasMatcher>
>>> >  LLVM_ATTRIBUTE_UNUSED has = {};
>>> >
>>> >
>>> > Modified: cfe/trunk/include/clang/ASTMatchers/ASTMatchersInternal.h
>>> > URL:
>>> > http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/ASTMatchers/ASTMatchersInternal.h?rev=271288&r1=271287&r2=271288&view=diff
>>> >
>>> > ==============================================================================
>>> > --- cfe/trunk/include/clang/ASTMatchers/ASTMatchersInternal.h
>>> > (original)
>>> > +++ cfe/trunk/include/clang/ASTMatchers/ASTMatchersInternal.h Tue May
>>> > 31 10:25:05 2016
>>> > @@ -1165,8 +1165,6 @@ public:
>>> >  /// ChildT must be an AST base type.
>>> >  template <typename T, typename ChildT>
>>> >  class HasMatcher : public WrapperMatcherInterface<T> {
>>> > -  static_assert(IsBaseType<ChildT>::value,
>>> > -                "has only accepts base type matcher");
>>> >
>>> >  public:
>>> >    explicit HasMatcher(const Matcher<ChildT> &ChildMatcher)
>>> > @@ -1174,10 +1172,9 @@ public:
>>> >
>>> >    bool matches(const T &Node, ASTMatchFinder *Finder,
>>> >                 BoundNodesTreeBuilder *Builder) const override {
>>> > -    return Finder->matchesChildOf(
>>> > -        Node, this->InnerMatcher, Builder,
>>> > -        ASTMatchFinder::TK_IgnoreImplicitCastsAndParentheses,
>>> > -        ASTMatchFinder::BK_First);
>>> > +    return Finder->matchesChildOf(Node, this->InnerMatcher, Builder,
>>> > +                                  ASTMatchFinder::TK_AsIs,
>>> > +                                  ASTMatchFinder::BK_First);
>>> >    }
>>> >  };
>>> >
>>> >
>>> > Modified: cfe/trunk/include/clang/CMakeLists.txt
>>> > URL:
>>> > http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/CMakeLists.txt?rev=271288&r1=271287&r2=271288&view=diff
>>> >
>>> > ==============================================================================
>>> > --- cfe/trunk/include/clang/CMakeLists.txt (original)
>>> > +++ cfe/trunk/include/clang/CMakeLists.txt Tue May 31 10:25:05 2016
>>> > @@ -5,3 +5,4 @@ add_subdirectory(Parse)
>>> >  add_subdirectory(Sema)
>>> >  add_subdirectory(Serialization)
>>> >  add_subdirectory(StaticAnalyzer/Checkers)
>>> > +add_subdirectory(ASTMatchers)
>>> >
>>> > Modified: cfe/trunk/unittests/AST/ASTImporterTest.cpp
>>> > URL:
>>> > http://llvm.org/viewvc/llvm-project/cfe/trunk/unittests/AST/ASTImporterTest.cpp?rev=271288&r1=271287&r2=271288&view=diff
>>> >
>>> > ==============================================================================
>>> > --- cfe/trunk/unittests/AST/ASTImporterTest.cpp (original)
>>> > +++ cfe/trunk/unittests/AST/ASTImporterTest.cpp Tue May 31 10:25:05
>>> > 2016
>>> > @@ -225,20 +225,14 @@ TEST(ImportExpr, ImportCXXThisExpr) {
>>> >
>>> >  TEST(ImportExpr, ImportAtomicExpr) {
>>> >    MatchVerifier<Decl> Verifier;
>>> > -  EXPECT_TRUE(
>>> > -        testImport(
>>> > -          "void declToImport() { int *ptr; __atomic_load_n(ptr, 1);
>>> > }",
>>> > -          Lang_CXX, "", Lang_CXX, Verifier,
>>> > -          functionDecl(
>>> > -            hasBody(
>>> > -              compoundStmt(
>>> > -                has(
>>> > -                  atomicExpr(
>>> > -                    has(declRefExpr(
>>> > -                          hasDeclaration(varDecl(hasName("ptr"))),
>>> > -                          hasType(asString("int *")))),
>>> > -                    has(integerLiteral(equals(1),
>>> > hasType(asString("int"))))
>>> > -                    )))))));
>>> > +  EXPECT_TRUE(testImport(
>>> > +      "void declToImport() { int *ptr; __atomic_load_n(ptr, 1); }",
>>> > Lang_CXX,
>>> > +      "", Lang_CXX, Verifier,
>>> > +      functionDecl(hasBody(compoundStmt(has(atomicExpr(
>>> > +          has(ignoringParenImpCasts(
>>> > +              declRefExpr(hasDeclaration(varDecl(hasName("ptr"))),
>>> > +                          hasType(asString("int *"))))),
>>> > +          has(integerLiteral(equals(1),
>>> > hasType(asString("int")))))))))));
>>> >  }
>>> >
>>> >  TEST(ImportExpr, ImportLabelDeclAndAddrLabelExpr) {
>>> >
>>> > Modified: cfe/trunk/unittests/ASTMatchers/ASTMatchersTraversalTest.cpp
>>> > URL:
>>> > http://llvm.org/viewvc/llvm-project/cfe/trunk/unittests/ASTMatchers/ASTMatchersTraversalTest.cpp?rev=271288&r1=271287&r2=271288&view=diff
>>> >
>>> > ==============================================================================
>>> > --- cfe/trunk/unittests/ASTMatchers/ASTMatchersTraversalTest.cpp
>>> > (original)
>>> > +++ cfe/trunk/unittests/ASTMatchers/ASTMatchersTraversalTest.cpp Tue
>>> > May 31 10:25:05 2016
>>> > @@ -122,8 +122,8 @@ TEST(Has, MatchesChildTypes) {
>>> >
>>> >  TEST(StatementMatcher, Has) {
>>> >    StatementMatcher HasVariableI =
>>> > -    expr(hasType(pointsTo(recordDecl(hasName("X")))),
>>> > -         has(declRefExpr(to(varDecl(hasName("i"))))));
>>> > +      expr(hasType(pointsTo(recordDecl(hasName("X")))),
>>> > +
>>> > has(ignoringParenImpCasts(declRefExpr(to(varDecl(hasName("i")))))));
>>> >
>>> >    EXPECT_TRUE(matches(
>>> >      "class X; X *x(int); void c() { int i; x(i); }", HasVariableI));
>>> >
>>> >
>>> > _______________________________________________
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>>> > cfe-commits at lists.llvm.org
>>> > http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
>>
>>
>


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