1 //===--- StmtObjC.cpp - Classes for representing ObjC statements ---------===// 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 implements the subclesses of Stmt class declared in StmtObjC.h 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "clang/AST/StmtObjC.h" 15 16 #include "clang/AST/Expr.h" 17 #include "clang/AST/ASTContext.h" 18 19 using namespace clang; 20 21 ObjCForCollectionStmt::ObjCForCollectionStmt(Stmt *Elem, Expr *Collect, 22 Stmt *Body, SourceLocation FCL, 23 SourceLocation RPL) 24 : Stmt(ObjCForCollectionStmtClass) { 25 SubExprs[ELEM] = Elem; 26 SubExprs[COLLECTION] = Collect; 27 SubExprs[BODY] = Body; 28 ForLoc = FCL; 29 RParenLoc = RPL; 30 } 31 32 ObjCAtTryStmt::ObjCAtTryStmt(SourceLocation atTryLoc, Stmt *atTryStmt, 33 Stmt **CatchStmts, unsigned NumCatchStmts, 34 Stmt *atFinallyStmt) 35 : Stmt(ObjCAtTryStmtClass), AtTryLoc(atTryLoc), 36 NumCatchStmts(NumCatchStmts), HasFinally(atFinallyStmt != nullptr) { 37 Stmt **Stmts = getStmts(); 38 Stmts[0] = atTryStmt; 39 for (unsigned I = 0; I != NumCatchStmts; ++I) 40 Stmts[I + 1] = CatchStmts[I]; 41 42 if (HasFinally) 43 Stmts[NumCatchStmts + 1] = atFinallyStmt; 44 } 45 46 ObjCAtTryStmt *ObjCAtTryStmt::Create(const ASTContext &Context, 47 SourceLocation atTryLoc, Stmt *atTryStmt, 48 Stmt **CatchStmts, unsigned NumCatchStmts, 49 Stmt *atFinallyStmt) { 50 unsigned Size = 51 sizeof(ObjCAtTryStmt) + 52 (1 + NumCatchStmts + (atFinallyStmt != nullptr)) * sizeof(Stmt *); 53 void *Mem = Context.Allocate(Size, llvm::alignOf<ObjCAtTryStmt>()); 54 return new (Mem) ObjCAtTryStmt(atTryLoc, atTryStmt, CatchStmts, NumCatchStmts, 55 atFinallyStmt); 56 } 57 58 ObjCAtTryStmt *ObjCAtTryStmt::CreateEmpty(const ASTContext &Context, 59 unsigned NumCatchStmts, 60 bool HasFinally) { 61 unsigned Size = 62 sizeof(ObjCAtTryStmt) + (1 + NumCatchStmts + HasFinally) * sizeof(Stmt *); 63 void *Mem = Context.Allocate(Size, llvm::alignOf<ObjCAtTryStmt>()); 64 return new (Mem) ObjCAtTryStmt(EmptyShell(), NumCatchStmts, HasFinally); 65 } 66 67 SourceLocation ObjCAtTryStmt::getLocEnd() const { 68 if (HasFinally) 69 return getFinallyStmt()->getLocEnd(); 70 if (NumCatchStmts) 71 return getCatchStmt(NumCatchStmts - 1)->getLocEnd(); 72 return getTryBody()->getLocEnd(); 73 } 74
