[cfe-commits] r150549 - in /cfe/trunk: include/clang-c/Index.h include/clang/AST/RecursiveASTVisitor.h test/Index/cxx11-lambdas.cpp tools/libclang/CIndex.cpp tools/libclang/CXCursor.cpp tools/libclang/CXCursor.h tools/libclang/CXType.cpp tools/li

Richard Smith richard at metafoo.co.uk
Tue Feb 14 18:11:40 PST 2012


Fixed in r150555.

On Tue, Feb 14, 2012 at 5:57 PM, Douglas Gregor <dgregor at apple.com> wrote:

> Sorry, I won't be back at a computer for a few more hours. Can you either
> apply the obvious fix or revert?
>
> Sent from my iPhone
>
> On Feb 14, 2012, at 5:57 PM, Chad Rosier <mcrosier at apple.com> wrote:
>
> Hi Doug,
> This commit is causing failures on our internal buildbots with the
> following error:
>
> llvm[4]: Compiling IndexingContext.cpp for Release+Asserts build (PIC)/Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.clang-x86_64-darwin10-gcc42-RA/llvm/tools/clang/tools/libclang/IndexBody.cpp:109:18: error: no member named 'indexFunctionLocalSymbols' in 'clang::cxindex::IndexingContext'; did you mean 'shouldIndexFunctionLocalSymbols'?
>     if (IndexCtx.indexFunctionLocalSymbols())
>                  ^~~~~~~~~~~~~~~~~~~~~~~~~
>                  shouldIndexFunctionLocalSymbols
> /Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.clang-x86_64-darwin10-gcc42-RA/llvm/tools/clang/tools/libclang/IndexingContext.h:329:8: note: 'shouldIndexFunctionLocalSymbols' declared here
>   bool shouldIndexFunctionLocalSymbols() const {
>        ^
> 1 error generated.
> make[4]: *** [/Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.clang-x86_64-darwin10-gcc42-RA/clang-build/tools/clang/tools/libclang/Release+Asserts/IndexBody.o] Error 1
>
> See also:
>
> http://smooshlab.apple.com:8013/builders/clang-x86_64-darwin10-gcc42-RA/builds/11827
>
> Chad
>
> On Feb 14, 2012, at 4:54 PM, Douglas Gregor wrote:
>
> Author: dgregor
> Date: Tue Feb 14 18:54:55 2012
> New Revision: 150549
>
> URL: http://llvm.org/viewvc/llvm-project?rev=150549&view=rev
> Log:
> Implement indexing support for lambdas in libclang (both kinds), as
> well as improving the RecursiveASTVisitor's walk of lambda
> expressions.
>
> Added:
>    cfe/trunk/test/Index/cxx11-lambdas.cpp
> Modified:
>    cfe/trunk/include/clang-c/Index.h
>    cfe/trunk/include/clang/AST/RecursiveASTVisitor.h
>    cfe/trunk/tools/libclang/CIndex.cpp
>    cfe/trunk/tools/libclang/CXCursor.cpp
>    cfe/trunk/tools/libclang/CXCursor.h
>    cfe/trunk/tools/libclang/CXType.cpp
>    cfe/trunk/tools/libclang/CursorVisitor.h
>    cfe/trunk/tools/libclang/IndexBody.cpp
>    cfe/trunk/tools/libclang/IndexingContext.cpp
>
> Modified: cfe/trunk/include/clang-c/Index.h
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang-c/Index.h?rev=150549&r1=150548&r2=150549&view=diff
>
> ==============================================================================
> --- cfe/trunk/include/clang-c/Index.h (original)
> +++ cfe/trunk/include/clang-c/Index.h Tue Feb 14 18:54:55 2012
> @@ -1500,7 +1500,13 @@
>    */
>   CXCursor_OverloadedDeclRef             = 49,
>
> -  CXCursor_LastRef                       = CXCursor_OverloadedDeclRef,
> +  /**
> +   * \brief A reference to a variable that occurs in some non-expression
> +   * context, e.g., a C++ lambda capture list.
> +   */
> +  CXCursor_VariableRef                   = 50,
> +
> +  CXCursor_LastRef                       = CXCursor_VariableRef,
>
>   /* Error conditions */
>   CXCursor_FirstInvalid                  = 70,
> @@ -1746,7 +1752,21 @@
>    */
>   CXCursor_SizeOfPackExpr                = 143,
>
> -  CXCursor_LastExpr                      = CXCursor_SizeOfPackExpr,
> +  /* \brief Represents a C++ lambda expression that produces a local
> function
> +   * object.
> +   *
> +   * \code
> +   * void abssort(float *x, unsigned N) {
> +   *   std::sort(x, x + N,
> +   *             [](float a, float b) {
> +   *               return std::abs(a) < std::abs(b);
> +   *             });
> +   * }
> +   * \endcode
> +   */
> +  CXCursor_LambdaExpr                    = 144,
> +
> +  CXCursor_LastExpr                      = CXCursor_LambdaExpr,
>
>   /* Statements */
>   CXCursor_FirstStmt                     = 200,
>
> Modified: cfe/trunk/include/clang/AST/RecursiveASTVisitor.h
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/AST/RecursiveASTVisitor.h?rev=150549&r1=150548&r2=150549&view=diff
>
> ==============================================================================
> --- cfe/trunk/include/clang/AST/RecursiveASTVisitor.h (original)
> +++ cfe/trunk/include/clang/AST/RecursiveASTVisitor.h Tue Feb 14 18:54:55
> 2012
> @@ -228,6 +228,11 @@
>   /// \returns false if the visitation was terminated early, true
> otherwise.
>   bool TraverseConstructorInitializer(CXXCtorInitializer *Init);
>
> +  /// \brief Recursively visit a lambda capture.
> +  ///
> +  /// \returns false if the visitation was terminated early, true
> otherwise.
> +  bool TraverseLambdaCapture(LambdaExpr::Capture C);
> +
>   // ---- Methods on Stmts ----
>
>   // Declare Traverse*() for all concrete Stmt classes.
> @@ -675,6 +680,10 @@
>   return true;
> }
>
> +template<typename Derived>
> +bool
> RecursiveASTVisitor<Derived>::TraverseLambdaCapture(LambdaExpr::Capture C){
> +  return true;
> +}
>
> // ----------------- Type traversal -----------------
>
> @@ -1953,9 +1962,36 @@
>     TRY_TO(TraverseTypeLoc(S->getTypeSourceInfo()->getTypeLoc()));
>   })
>
> -DEF_TRAVERSE_STMT(LambdaExpr, {
> -    TRY_TO(TraverseStmt(S->getBody()));
> -  })
> +// Walk only the visible parts of lambda expressions.
> +template<typename Derived>
> +bool RecursiveASTVisitor<Derived>::TraverseLambdaExpr(LambdaExpr *S) {
> +  for (LambdaExpr::capture_iterator C = S->explicit_capture_begin(),
> +                                 CEnd = S->explicit_capture_end();
> +       C != CEnd; ++C) {
> +    TRY_TO(TraverseLambdaCapture(*C));
> +  }
> +
> +  if (S->hasExplicitParameters() || S->hasExplicitResultType()) {
> +    TypeLoc TL = S->getCallOperator()->getTypeSourceInfo()->getTypeLoc();
> +    if (S->hasExplicitParameters() && S->hasExplicitResultType()) {
> +      // Visit the whole type.
> +      TRY_TO(TraverseTypeLoc(TL));
> +    } else if (isa<FunctionProtoTypeLoc>(TL)) {
> +      FunctionProtoTypeLoc Proto = cast<FunctionProtoTypeLoc>(TL);
> +      if (S->hasExplicitParameters()) {
> +        // Visit parameters.
> +        for (unsigned I = 0, N = Proto.getNumArgs(); I != N; ++I) {
> +          TRY_TO(TraverseDecl(Proto.getArg(I)));
> +        }
> +      } else {
> +        TRY_TO(TraverseTypeLoc(Proto.getResultLoc()));
> +      }
> +    }
> +  }
> +
> +  TRY_TO(TraverseStmt(S->getBody()));
> +  return true;
> +}
>
> DEF_TRAVERSE_STMT(CXXUnresolvedConstructExpr, {
>     // This is called for code like 'T()', where T is a template argument.
>
> Added: cfe/trunk/test/Index/cxx11-lambdas.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Index/cxx11-lambdas.cpp?rev=150549&view=auto
>
> ==============================================================================
> --- cfe/trunk/test/Index/cxx11-lambdas.cpp (added)
> +++ cfe/trunk/test/Index/cxx11-lambdas.cpp Tue Feb 14 18:54:55 2012
> @@ -0,0 +1,33 @@
> +// Test is line- and column-sensitive; see below.
> +
> +typedef int Integer;
> +struct X {
> +  void f() {
> +    int localA, localB;
> +    auto lambda = [&localA, localB] (Integer x) -> Integer {
> +      return localA + localB + x;
> +    };
> +  }
> +};
> +
> +// RUN: c-index-test -test-load-source all -std=c++11 %s | FileCheck
> -check-prefix=CHECK-LOAD %s
> +// CHECK-LOAD: cxx11-lambdas.cpp:7:19: LambdaExpr= Extent=[7:19 - 9:6]
> +// CHECK-LOAD: cxx11-lambdas.cpp:7:21: VariableRef=localA:6:9
> Extent=[7:21 - 7:27]
> +// CHECK-LOAD: cxx11-lambdas.cpp:7:29: VariableRef=localB:6:17
> Extent=[7:29 - 7:35]
> +// CHECK-LOAD: cxx11-lambdas.cpp:7:52: TypeRef=Integer:3:13 Extent=[7:52
> - 7:59]
> +// CHECK-LOAD: cxx11-lambdas.cpp:7:46: ParmDecl=x:7:46 (Definition)
> Extent=[7:38 - 7:47]
> +// CHECK-LOAD: cxx11-lambdas.cpp:7:38: TypeRef=Integer:3:13 Extent=[7:38
> - 7:45]
> +// CHECK-LOAD: cxx11-lambdas.cpp:7:60: CompoundStmt= Extent=[7:60 - 9:6]
> +// CHECK-LOAD: cxx11-lambdas.cpp:8:7: ReturnStmt= Extent=[8:7 - 8:33]
> +// CHECK-LOAD: cxx11-lambdas.cpp:8:14: DeclRefExpr=localA:6:9
> Extent=[8:14 - 8:20]
> +// CHECK-LOAD: cxx11-lambdas.cpp:8:23: DeclRefExpr=localB:6:17
> Extent=[8:23 - 8:29]
> +// CHECK-LOAD: cxx11-lambdas.cpp:8:32: DeclRefExpr=x:7:46 Extent=[8:32 -
> 8:33]
> +
> +// RUN: env CINDEXTEST_INDEXLOCALSYMBOLS=1 c-index-test -index-file
> -std=c++11 %s | FileCheck -check-prefix=CHECK-INDEX %s
> +// CHECK-INDEX: [indexEntityReference]: kind: variable | name: localA |
> USR: c:cxx11-lambdas.cpp at 100@S at X@F at f#@localA | lang: C | cursor:
> VariableRef=localA:6:9 | loc: 7:21
> +// CHECK-INDEX: [indexEntityReference]: kind: variable | name: localB |
> USR: c:cxx11-lambdas.cpp at 100@S at X@F at f#@localB | lang: C | cursor:
> VariableRef=localB:6:17 | loc: 7:29
> +// CHECK-INDEX: [indexEntityReference]: kind: typedef | name: Integer |
> USR: c:cxx11-lambdas.cpp at 51@T at Integer | lang: C | cursor:
> TypeRef=Integer:3:13 | loc: 7:52
> +// CHECK-INDEX: [indexEntityReference]: kind: typedef | name: Integer |
> USR: c:cxx11-lambdas.cpp at 51@T at Integer | lang: C | cursor:
> TypeRef=Integer:3:13 | loc: 7:38
> +// CHECK-INDEX: [indexEntityReference]: kind: variable | name: localA |
> USR: c:cxx11-lambdas.cpp at 100@S at X@F at f#@localA | lang: C | cursor:
> DeclRefExpr=localA:6:9 | loc: 8:14
> +// CHECK-INDEX: [indexEntityReference]: kind: variable | name: localB |
> USR: c:cxx11-lambdas.cpp at 100@S at X@F at f#@localB | lang: C | cursor:
> DeclRefExpr=localB:6:17 | loc: 8:23
> +// CHECK-INDEX: [indexEntityReference]: kind: variable | name: x | USR:
> c:cxx11-lambdas.cpp at 157@S at X@F at f#@Ca at F@operator()#I#1 at x | lang: C |
> cursor: DeclRefExpr=x:7:46 | loc: 8:32
>
> Modified: cfe/trunk/tools/libclang/CIndex.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/libclang/CIndex.cpp?rev=150549&r1=150548&r2=150549&view=diff
>
> ==============================================================================
> --- cfe/trunk/tools/libclang/CIndex.cpp (original)
> +++ cfe/trunk/tools/libclang/CIndex.cpp Tue Feb 14 18:54:55 2012
> @@ -1615,6 +1615,7 @@
> DEF_JOB(ExplicitTemplateArgsVisit, ASTTemplateArgumentListInfo,
>         ExplicitTemplateArgsVisitKind)
> DEF_JOB(SizeOfPackExprParts, SizeOfPackExpr, SizeOfPackExprPartsKind)
> +DEF_JOB(LambdaExprParts, LambdaExpr, LambdaExprPartsKind)
> #undef DEF_JOB
>
> class DeclVisit : public VisitorJob {
> @@ -1761,6 +1762,7 @@
>   void VisitSizeOfPackExpr(SizeOfPackExpr *E);
>   void VisitPseudoObjectExpr(PseudoObjectExpr *E);
>   void VisitOpaqueValueExpr(OpaqueValueExpr *E);
> +  void VisitLambdaExpr(LambdaExpr *E);
>
> private:
>   void AddDeclarationNameInfo(Stmt *S);
> @@ -2081,6 +2083,10 @@
>   if (Expr *SourceExpr = E->getSourceExpr())
>     return Visit(SourceExpr);
> }
> +void EnqueueVisitor::VisitLambdaExpr(LambdaExpr *E) {
> +  AddStmt(E->getBody());
> +  WL.push_back(LambdaExprParts(E, Parent));
> +}
> void EnqueueVisitor::VisitPseudoObjectExpr(PseudoObjectExpr *E) {
>   // Treat the expression like its syn
>
>
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