llvm-project/clang/lib/AST/StmtObjC.cpp

74 lines
2.7 KiB
C++

//===--- StmtObjC.cpp - Classes for representing ObjC statements ---------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the subclesses of Stmt class declared in StmtObjC.h
//
//===----------------------------------------------------------------------===//
#include "clang/AST/StmtObjC.h"
#include "clang/AST/Expr.h"
#include "clang/AST/ASTContext.h"
using namespace clang;
ObjCForCollectionStmt::ObjCForCollectionStmt(Stmt *Elem, Expr *Collect,
Stmt *Body, SourceLocation FCL,
SourceLocation RPL)
: Stmt(ObjCForCollectionStmtClass) {
SubExprs[ELEM] = Elem;
SubExprs[COLLECTION] = Collect;
SubExprs[BODY] = Body;
ForLoc = FCL;
RParenLoc = RPL;
}
ObjCAtTryStmt::ObjCAtTryStmt(SourceLocation atTryLoc, Stmt *atTryStmt,
Stmt **CatchStmts, unsigned NumCatchStmts,
Stmt *atFinallyStmt)
: Stmt(ObjCAtTryStmtClass), AtTryLoc(atTryLoc),
NumCatchStmts(NumCatchStmts), HasFinally(atFinallyStmt != nullptr) {
Stmt **Stmts = getStmts();
Stmts[0] = atTryStmt;
for (unsigned I = 0; I != NumCatchStmts; ++I)
Stmts[I + 1] = CatchStmts[I];
if (HasFinally)
Stmts[NumCatchStmts + 1] = atFinallyStmt;
}
ObjCAtTryStmt *ObjCAtTryStmt::Create(const ASTContext &Context,
SourceLocation atTryLoc, Stmt *atTryStmt,
Stmt **CatchStmts, unsigned NumCatchStmts,
Stmt *atFinallyStmt) {
unsigned Size =
sizeof(ObjCAtTryStmt) +
(1 + NumCatchStmts + (atFinallyStmt != nullptr)) * sizeof(Stmt *);
void *Mem = Context.Allocate(Size, alignof(ObjCAtTryStmt));
return new (Mem) ObjCAtTryStmt(atTryLoc, atTryStmt, CatchStmts, NumCatchStmts,
atFinallyStmt);
}
ObjCAtTryStmt *ObjCAtTryStmt::CreateEmpty(const ASTContext &Context,
unsigned NumCatchStmts,
bool HasFinally) {
unsigned Size =
sizeof(ObjCAtTryStmt) + (1 + NumCatchStmts + HasFinally) * sizeof(Stmt *);
void *Mem = Context.Allocate(Size, alignof(ObjCAtTryStmt));
return new (Mem) ObjCAtTryStmt(EmptyShell(), NumCatchStmts, HasFinally);
}
SourceLocation ObjCAtTryStmt::getEndLoc() const {
if (HasFinally)
return getFinallyStmt()->getEndLoc();
if (NumCatchStmts)
return getCatchStmt(NumCatchStmts - 1)->getEndLoc();
return getTryBody()->getEndLoc();
}