ParentMap.h revision e9aae62e8bca3abfc1dc36f67845444291171e13
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//===--- ParentMap.h - Mappings from Stmts to their Parents -----*- C++ -*-===// 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// The LLVM Compiler Infrastructure 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// This file is distributed under the University of Illinois Open Source 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// License. See LICENSE.TXT for details. 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//===----------------------------------------------------------------------===// 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// This file defines the ParentMap class. 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//===----------------------------------------------------------------------===// 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef LLVM_CLANG_PARENTMAP_H 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define LLVM_CLANG_PARENTMAP_H 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace clang { 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class Stmt; 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class Expr; 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class ParentMap { 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void* Impl; 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool IsSemantic; 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)public: 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ParentMap(Stmt* ASTRoot, bool isSemantic = false); 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ~ParentMap(); 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) /// \brief Adds and/or updates the parent/child-relations of the complete 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) /// stmt tree of S. All children of S including indirect descendants are 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) /// visited and updated or inserted but not the parents of S. 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void addStmt(Stmt* S); 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Stmt *getParent(Stmt*) const; 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Stmt *getParentIgnoreParens(Stmt *) const; 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Stmt *getParentIgnoreParenCasts(Stmt *) const; 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Stmt *getParentIgnoreParenImpCasts(Stmt *) const; 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Stmt *getOuterParenParent(Stmt *) const; 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const Stmt *getParent(const Stmt* S) const { 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return getParent(const_cast<Stmt*>(S)); 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const Stmt *getParentIgnoreParens(const Stmt *S) const { 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return getParentIgnoreParens(const_cast<Stmt*>(S)); 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const Stmt *getParentIgnoreParenCasts(const Stmt *S) const { 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return getParentIgnoreParenCasts(const_cast<Stmt*>(S)); 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool hasParent(Stmt* S) const { 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return getParent(S) != 0; 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 54 55 bool isConsumedExpr(Expr *E) const; 56 57 bool isConsumedExpr(const Expr *E) const { 58 return isConsumedExpr(const_cast<Expr*>(E)); 59 } 60}; 61 62} // end clang namespace 63#endif 64