1 //===--- StmtObjC.cpp - Classes for representing ObjC statements ---------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file implements the subclesses of Stmt class declared in StmtObjC.h
10 //
11 //===----------------------------------------------------------------------===//
12
13 #include "clang/AST/StmtObjC.h"
14
15 #include "clang/AST/Expr.h"
16 #include "clang/AST/ASTContext.h"
17
18 using namespace clang;
19
ObjCForCollectionStmt(Stmt * Elem,Expr * Collect,Stmt * Body,SourceLocation FCL,SourceLocation RPL)20 ObjCForCollectionStmt::ObjCForCollectionStmt(Stmt *Elem, Expr *Collect,
21 Stmt *Body, SourceLocation FCL,
22 SourceLocation RPL)
23 : Stmt(ObjCForCollectionStmtClass) {
24 SubExprs[ELEM] = Elem;
25 SubExprs[COLLECTION] = Collect;
26 SubExprs[BODY] = Body;
27 ForLoc = FCL;
28 RParenLoc = RPL;
29 }
30
ObjCAtTryStmt(SourceLocation atTryLoc,Stmt * atTryStmt,Stmt ** CatchStmts,unsigned NumCatchStmts,Stmt * atFinallyStmt)31 ObjCAtTryStmt::ObjCAtTryStmt(SourceLocation atTryLoc, Stmt *atTryStmt,
32 Stmt **CatchStmts, unsigned NumCatchStmts,
33 Stmt *atFinallyStmt)
34 : Stmt(ObjCAtTryStmtClass), AtTryLoc(atTryLoc),
35 NumCatchStmts(NumCatchStmts), HasFinally(atFinallyStmt != nullptr) {
36 Stmt **Stmts = getStmts();
37 Stmts[0] = atTryStmt;
38 for (unsigned I = 0; I != NumCatchStmts; ++I)
39 Stmts[I + 1] = CatchStmts[I];
40
41 if (HasFinally)
42 Stmts[NumCatchStmts + 1] = atFinallyStmt;
43 }
44
Create(const ASTContext & Context,SourceLocation atTryLoc,Stmt * atTryStmt,Stmt ** CatchStmts,unsigned NumCatchStmts,Stmt * atFinallyStmt)45 ObjCAtTryStmt *ObjCAtTryStmt::Create(const ASTContext &Context,
46 SourceLocation atTryLoc, Stmt *atTryStmt,
47 Stmt **CatchStmts, unsigned NumCatchStmts,
48 Stmt *atFinallyStmt) {
49 unsigned Size =
50 sizeof(ObjCAtTryStmt) +
51 (1 + NumCatchStmts + (atFinallyStmt != nullptr)) * sizeof(Stmt *);
52 void *Mem = Context.Allocate(Size, alignof(ObjCAtTryStmt));
53 return new (Mem) ObjCAtTryStmt(atTryLoc, atTryStmt, CatchStmts, NumCatchStmts,
54 atFinallyStmt);
55 }
56
CreateEmpty(const ASTContext & Context,unsigned NumCatchStmts,bool HasFinally)57 ObjCAtTryStmt *ObjCAtTryStmt::CreateEmpty(const ASTContext &Context,
58 unsigned NumCatchStmts,
59 bool HasFinally) {
60 unsigned Size =
61 sizeof(ObjCAtTryStmt) + (1 + NumCatchStmts + HasFinally) * sizeof(Stmt *);
62 void *Mem = Context.Allocate(Size, alignof(ObjCAtTryStmt));
63 return new (Mem) ObjCAtTryStmt(EmptyShell(), NumCatchStmts, HasFinally);
64 }
65
getEndLoc() const66 SourceLocation ObjCAtTryStmt::getEndLoc() const {
67 if (HasFinally)
68 return getFinallyStmt()->getEndLoc();
69 if (NumCatchStmts)
70 return getCatchStmt(NumCatchStmts - 1)->getEndLoc();
71 return getTryBody()->getEndLoc();
72 }
73