include/clang/AST/ParentMap.h

   1 //===--- ParentMap.h - Mappings from Stmts to their Parents -----*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 //  This file defines the ParentMap class.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef LLVM_CLANG_PARENTMAP_H
  15 #define LLVM_CLANG_PARENTMAP_H
  16
  17 namespace clang {
  18 class Stmt;
  19 class Expr;
  20
  21 class ParentMap {
  22   void* Impl;
  23 public:
  24   ParentMap(Stmt* ASTRoot);
  25   ~ParentMap();
  26
  27   Stmt *getParent(Stmt*) const;
  28   Stmt *getParentIgnoreParens(Stmt *) const;
  29
  30   const Stmt *getParent(const Stmt* S) const {
  31     return getParent(const_cast<Stmt*>(S));
  32   }
  33
  34   const Stmt *getParentIgnoreParens(const Stmt *S) const {
  35     return getParentIgnoreParens(const_cast<Stmt*>(S));
  36   }
  37
  38   bool hasParent(Stmt* S) const {
  39     return getParent(S) != 0;
  40   }
  41
  42   bool isConsumedExpr(Expr *E) const;
  43
  44   bool isConsumedExpr(const Expr *E) const {
  45     return isConsumedExpr(const_cast<Expr*>(E));
  46   }
  47 };
  48
  49 } // end clang namespace
  50 #endif