diff options
author | Dimitry Andric <dim@FreeBSD.org> | 2017-12-18 20:11:37 +0000 |
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committer | Dimitry Andric <dim@FreeBSD.org> | 2017-12-18 20:11:37 +0000 |
commit | 461a67fa15370a9ec88f8f8a240bf7c123bb2029 (patch) | |
tree | 6942083d7d56bba40ec790a453ca58ad3baf6832 /include/clang/AST/StmtVisitor.h | |
parent | 75c3240472ba6ac2669ee72ca67eb72d4e2851fc (diff) |
Notes
Diffstat (limited to 'include/clang/AST/StmtVisitor.h')
-rw-r--r-- | include/clang/AST/StmtVisitor.h | 46 |
1 files changed, 27 insertions, 19 deletions
diff --git a/include/clang/AST/StmtVisitor.h b/include/clang/AST/StmtVisitor.h index df4a2d8bc3d7b..98fa113274069 100644 --- a/include/clang/AST/StmtVisitor.h +++ b/include/clang/AST/StmtVisitor.h @@ -1,4 +1,4 @@ -//===--- StmtVisitor.h - Visitor for Stmt subclasses ------------*- C++ -*-===// +//===- StmtVisitor.h - Visitor for Stmt subclasses --------------*- C++ -*-===// // // The LLVM Compiler Infrastructure // @@ -17,28 +17,33 @@ #include "clang/AST/ExprCXX.h" #include "clang/AST/ExprObjC.h" #include "clang/AST/ExprOpenMP.h" +#include "clang/AST/Stmt.h" #include "clang/AST/StmtCXX.h" #include "clang/AST/StmtObjC.h" #include "clang/AST/StmtOpenMP.h" +#include "clang/Basic/LLVM.h" +#include "llvm/Support/Casting.h" +#include "llvm/Support/ErrorHandling.h" +#include <utility> namespace clang { -template <typename T> struct make_ptr { typedef T *type; }; -template <typename T> struct make_const_ptr { typedef const T *type; }; +template <typename T> struct make_ptr { using type = T *; }; +template <typename T> struct make_const_ptr { using type = const T *; }; /// StmtVisitorBase - This class implements a simple visitor for Stmt /// subclasses. Since Expr derives from Stmt, this also includes support for /// visiting Exprs. -template<template <typename> class Ptr, typename ImplClass, typename RetTy=void> +template<template <typename> class Ptr, typename ImplClass, typename RetTy=void, + class... ParamTys> class StmtVisitorBase { public: - #define PTR(CLASS) typename Ptr<CLASS>::type #define DISPATCH(NAME, CLASS) \ - return static_cast<ImplClass*>(this)->Visit ## NAME(static_cast<PTR(CLASS)>(S)) - - RetTy Visit(PTR(Stmt) S) { + return static_cast<ImplClass*>(this)->Visit ## NAME( \ + static_cast<PTR(CLASS)>(S), std::forward<ParamTys>(P)...) + RetTy Visit(PTR(Stmt) S, ParamTys... P) { // If we have a binary expr, dispatch to the subcode of the binop. A smart // optimizer (e.g. LLVM) will fold this comparison into the switch stmt // below. @@ -60,6 +65,7 @@ public: case BO_GE: DISPATCH(BinGE, BinaryOperator); case BO_EQ: DISPATCH(BinEQ, BinaryOperator); case BO_NE: DISPATCH(BinNE, BinaryOperator); + case BO_Cmp: DISPATCH(BinCmp, BinaryOperator); case BO_And: DISPATCH(BinAnd, BinaryOperator); case BO_Xor: DISPATCH(BinXor, BinaryOperator); @@ -111,13 +117,13 @@ public: // If the implementation chooses not to implement a certain visit method, fall // back on VisitExpr or whatever else is the superclass. #define STMT(CLASS, PARENT) \ - RetTy Visit ## CLASS(PTR(CLASS) S) { DISPATCH(PARENT, PARENT); } + RetTy Visit ## CLASS(PTR(CLASS) S, ParamTys... P) { DISPATCH(PARENT, PARENT); } #include "clang/AST/StmtNodes.inc" // If the implementation doesn't implement binary operator methods, fall back // on VisitBinaryOperator. #define BINOP_FALLBACK(NAME) \ - RetTy VisitBin ## NAME(PTR(BinaryOperator) S) { \ + RetTy VisitBin ## NAME(PTR(BinaryOperator) S, ParamTys... P) { \ DISPATCH(BinaryOperator, BinaryOperator); \ } BINOP_FALLBACK(PtrMemD) BINOP_FALLBACK(PtrMemI) @@ -127,6 +133,8 @@ public: BINOP_FALLBACK(LT) BINOP_FALLBACK(GT) BINOP_FALLBACK(LE) BINOP_FALLBACK(GE) BINOP_FALLBACK(EQ) BINOP_FALLBACK(NE) + BINOP_FALLBACK(Cmp) + BINOP_FALLBACK(And) BINOP_FALLBACK(Xor) BINOP_FALLBACK(Or) BINOP_FALLBACK(LAnd) BINOP_FALLBACK(LOr) @@ -137,7 +145,7 @@ public: // If the implementation doesn't implement compound assignment operator // methods, fall back on VisitCompoundAssignOperator. #define CAO_FALLBACK(NAME) \ - RetTy VisitBin ## NAME(PTR(CompoundAssignOperator) S) { \ + RetTy VisitBin ## NAME(PTR(CompoundAssignOperator) S, ParamTys... P) { \ DISPATCH(CompoundAssignOperator, CompoundAssignOperator); \ } CAO_FALLBACK(MulAssign) CAO_FALLBACK(DivAssign) CAO_FALLBACK(RemAssign) @@ -149,7 +157,7 @@ public: // If the implementation doesn't implement unary operator methods, fall back // on VisitUnaryOperator. #define UNARYOP_FALLBACK(NAME) \ - RetTy VisitUnary ## NAME(PTR(UnaryOperator) S) { \ + RetTy VisitUnary ## NAME(PTR(UnaryOperator) S, ParamTys... P) { \ DISPATCH(UnaryOperator, UnaryOperator); \ } UNARYOP_FALLBACK(PostInc) UNARYOP_FALLBACK(PostDec) @@ -163,7 +171,7 @@ public: #undef UNARYOP_FALLBACK // Base case, ignore it. :) - RetTy VisitStmt(PTR(Stmt) Node) { return RetTy(); } + RetTy VisitStmt(PTR(Stmt) Node, ParamTys... P) { return RetTy(); } #undef PTR #undef DISPATCH @@ -174,18 +182,18 @@ public: /// /// This class does not preserve constness of Stmt pointers (see also /// ConstStmtVisitor). -template<typename ImplClass, typename RetTy=void> +template<typename ImplClass, typename RetTy=void, typename... ParamTys> class StmtVisitor - : public StmtVisitorBase<make_ptr, ImplClass, RetTy> {}; + : public StmtVisitorBase<make_ptr, ImplClass, RetTy, ParamTys...> {}; /// ConstStmtVisitor - This class implements a simple visitor for Stmt /// subclasses. Since Expr derives from Stmt, this also includes support for /// visiting Exprs. /// /// This class preserves constness of Stmt pointers (see also StmtVisitor). -template<typename ImplClass, typename RetTy=void> +template<typename ImplClass, typename RetTy=void, typename... ParamTys> class ConstStmtVisitor - : public StmtVisitorBase<make_const_ptr, ImplClass, RetTy> {}; + : public StmtVisitorBase<make_const_ptr, ImplClass, RetTy, ParamTys...> {}; /// \brief This class implements a simple visitor for OMPClause /// subclasses. @@ -222,6 +230,6 @@ template<class ImplClass, typename RetTy = void> class ConstOMPClauseVisitor : public OMPClauseVisitorBase <ImplClass, make_const_ptr, RetTy> {}; -} // end namespace clang +} // namespace clang -#endif +#endif // LLVM_CLANG_AST_STMTVISITOR_H |