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
18using namespace clang;
19
20ObjCForCollectionStmt::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
31ObjCAtTryStmt::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
45ObjCAtTryStmt *ObjCAtTryStmt::Create(const ASTContext &Context,
46 SourceLocation atTryLoc, Stmt *atTryStmt,
47 Stmt **CatchStmts, unsigned NumCatchStmts,
48 Stmt *atFinallyStmt) {
49 size_t Size =
50 totalSizeToAlloc<Stmt *>(Counts: 1 + NumCatchStmts + (atFinallyStmt != nullptr));
51 void *Mem = Context.Allocate(Size, Align: alignof(ObjCAtTryStmt));
52 return new (Mem) ObjCAtTryStmt(atTryLoc, atTryStmt, CatchStmts, NumCatchStmts,
53 atFinallyStmt);
54}
55
56ObjCAtTryStmt *ObjCAtTryStmt::CreateEmpty(const ASTContext &Context,
57 unsigned NumCatchStmts,
58 bool HasFinally) {
59 size_t Size = totalSizeToAlloc<Stmt *>(Counts: 1 + NumCatchStmts + HasFinally);
60 void *Mem = Context.Allocate(Size, Align: alignof(ObjCAtTryStmt));
61 return new (Mem) ObjCAtTryStmt(EmptyShell(), NumCatchStmts, HasFinally);
62}
63
64SourceLocation ObjCAtTryStmt::getEndLoc() const {
65 if (HasFinally)
66 return getFinallyStmt()->getEndLoc();
67 if (NumCatchStmts)
68 return getCatchStmt(I: NumCatchStmts - 1)->getEndLoc();
69 return getTryBody()->getEndLoc();
70}
71

source code of clang/lib/AST/StmtObjC.cpp