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

Piotr Padlewski via cfe-commits cfe-commits at lists.llvm.org
Tue May 31 08:54:31 PDT 2016


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));
>> >
>> >
>> > _______________________________________________
>> > cfe-commits mailing list
>> > cfe-commits at lists.llvm.org
>> > http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
>>
>
>
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