clang 19.0.0git
StmtObjC.cpp
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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"
17
18using namespace clang;
19
21 Stmt *Body, SourceLocation FCL,
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
46 SourceLocation atTryLoc, Stmt *atTryStmt,
47 Stmt **CatchStmts, unsigned NumCatchStmts,
48 Stmt *atFinallyStmt) {
49 size_t Size =
50 totalSizeToAlloc<Stmt *>(1 + NumCatchStmts + (atFinallyStmt != nullptr));
51 void *Mem = Context.Allocate(Size, alignof(ObjCAtTryStmt));
52 return new (Mem) ObjCAtTryStmt(atTryLoc, atTryStmt, CatchStmts, NumCatchStmts,
53 atFinallyStmt);
54}
55
57 unsigned NumCatchStmts,
58 bool HasFinally) {
59 size_t Size = totalSizeToAlloc<Stmt *>(1 + NumCatchStmts + HasFinally);
60 void *Mem = Context.Allocate(Size, alignof(ObjCAtTryStmt));
61 return new (Mem) ObjCAtTryStmt(EmptyShell(), NumCatchStmts, HasFinally);
62}
63
65 if (HasFinally)
66 return getFinallyStmt()->getEndLoc();
67 if (NumCatchStmts)
68 return getCatchStmt(NumCatchStmts - 1)->getEndLoc();
69 return getTryBody()->getEndLoc();
70}
Defines the clang::ASTContext interface.
Defines the Objective-C statement AST node classes.
Holds long-lived AST nodes (such as types and decls) that can be referred to throughout the semantic ...
Definition: ASTContext.h:186
void * Allocate(size_t Size, unsigned Align=8) const
Definition: ASTContext.h:733
This represents one expression.
Definition: Expr.h:110
SourceLocation getEndLoc() const LLVM_READONLY
Definition: StmtObjC.h:111
SourceLocation getEndLoc() const LLVM_READONLY
Definition: StmtObjC.h:144
Represents Objective-C's @try ... @catch ... @finally statement.
Definition: StmtObjC.h:167
const ObjCAtFinallyStmt * getFinallyStmt() const
Retrieve the @finally statement, if any.
Definition: StmtObjC.h:240
static ObjCAtTryStmt * Create(const ASTContext &Context, SourceLocation atTryLoc, Stmt *atTryStmt, Stmt **CatchStmts, unsigned NumCatchStmts, Stmt *atFinallyStmt)
Definition: StmtObjC.cpp:45
static ObjCAtTryStmt * CreateEmpty(const ASTContext &Context, unsigned NumCatchStmts, bool HasFinally)
Definition: StmtObjC.cpp:56
const ObjCAtCatchStmt * getCatchStmt(unsigned I) const
Retrieve a @catch statement.
Definition: StmtObjC.h:222
const Stmt * getTryBody() const
Retrieve the @try body.
Definition: StmtObjC.h:213
SourceLocation getEndLoc() const LLVM_READONLY
Definition: StmtObjC.cpp:64
ObjCForCollectionStmt(Stmt *Elem, Expr *Collect, Stmt *Body, SourceLocation FCL, SourceLocation RPL)
Definition: StmtObjC.cpp:20
Encodes a location in the source.
Stmt - This represents one statement.
Definition: Stmt.h:84
SourceLocation getEndLoc() const LLVM_READONLY
Definition: Stmt.cpp:350
The JSON file list parser is used to communicate input to InstallAPI.
A placeholder type used to construct an empty shell of a type, that will be filled in later (e....
Definition: Stmt.h:1298