diff options
Diffstat (limited to 'include/clang/AST/Decl.h')
| -rw-r--r-- | include/clang/AST/Decl.h | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/include/clang/AST/Decl.h b/include/clang/AST/Decl.h index a34a2ef535..485883e18b 100644 --- a/include/clang/AST/Decl.h +++ b/include/clang/AST/Decl.h @@ -2495,6 +2495,7 @@ public: class BlockDecl : public Decl, public DeclContext { // FIXME: This can be packed into the bitfields in Decl. bool IsVariadic : 1; + bool CapturesCXXThis : 1; /// ParamInfo - new[]'d array of pointers to ParmVarDecls for the formal /// parameters of this function. This is null if a prototype or if there are /// no formals. @@ -2504,11 +2505,15 @@ class BlockDecl : public Decl, public DeclContext { Stmt *Body; TypeSourceInfo *SignatureAsWritten; + VarDecl **CapturedDecls; + unsigned NumCapturedDecls; + protected: BlockDecl(DeclContext *DC, SourceLocation CaretLoc) : Decl(Block, DC, CaretLoc), DeclContext(Block), - IsVariadic(false), ParamInfo(0), NumParams(0), Body(0), - SignatureAsWritten(0) {} + IsVariadic(false), CapturesCXXThis(false), + ParamInfo(0), NumParams(0), Body(0), + SignatureAsWritten(0), CapturedDecls(0), NumCapturedDecls(0) {} public: static BlockDecl *Create(ASTContext &C, DeclContext *DC, SourceLocation L); @@ -2537,7 +2542,7 @@ public: param_const_iterator param_begin() const { return ParamInfo; } param_const_iterator param_end() const { return ParamInfo+param_size(); } - unsigned getNumParams() const; + unsigned getNumParams() const { return NumParams; } const ParmVarDecl *getParamDecl(unsigned i) const { assert(i < getNumParams() && "Illegal param #"); return ParamInfo[i]; @@ -2548,6 +2553,28 @@ public: } void setParams(ParmVarDecl **NewParamInfo, unsigned NumParams); + /// hasCaptures - True if this block (or its nested blocks) captures + /// anything of local storage from its enclosing scopes. + bool hasCaptures() const { return NumCapturedDecls != 0 || CapturesCXXThis; } + + unsigned getNumCapturedDecls() const { return NumCapturedDecls; } + + typedef VarDecl * const *capture_iterator; + typedef VarDecl const * const *capture_const_iterator; + capture_iterator capture_begin() { return CapturedDecls; } + capture_iterator capture_end() { return CapturedDecls + NumCapturedDecls; } + capture_const_iterator capture_begin() const { return CapturedDecls; } + capture_const_iterator capture_end() const { + return CapturedDecls + NumCapturedDecls; + } + + bool capturesCXXThis() const { return CapturesCXXThis; } + + void setCapturedDecls(ASTContext &Context, + VarDecl * const *begin, + VarDecl * const *end, + bool capturesCXXThis); + virtual SourceRange getSourceRange() const; // Implement isa/cast/dyncast/etc. |