1*e5dd7070Spatrick //===--- StmtCXX.cpp - Classes for representing C++ statements ------------===//
2*e5dd7070Spatrick //
3*e5dd7070Spatrick // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*e5dd7070Spatrick // See https://llvm.org/LICENSE.txt for license information.
5*e5dd7070Spatrick // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*e5dd7070Spatrick //
7*e5dd7070Spatrick //===----------------------------------------------------------------------===//
8*e5dd7070Spatrick //
9*e5dd7070Spatrick // This file implements the subclesses of Stmt class declared in StmtCXX.h
10*e5dd7070Spatrick //
11*e5dd7070Spatrick //===----------------------------------------------------------------------===//
12*e5dd7070Spatrick
13*e5dd7070Spatrick #include "clang/AST/StmtCXX.h"
14*e5dd7070Spatrick
15*e5dd7070Spatrick #include "clang/AST/ASTContext.h"
16*e5dd7070Spatrick
17*e5dd7070Spatrick using namespace clang;
18*e5dd7070Spatrick
getCaughtType() const19*e5dd7070Spatrick QualType CXXCatchStmt::getCaughtType() const {
20*e5dd7070Spatrick if (ExceptionDecl)
21*e5dd7070Spatrick return ExceptionDecl->getType();
22*e5dd7070Spatrick return QualType();
23*e5dd7070Spatrick }
24*e5dd7070Spatrick
Create(const ASTContext & C,SourceLocation tryLoc,Stmt * tryBlock,ArrayRef<Stmt * > handlers)25*e5dd7070Spatrick CXXTryStmt *CXXTryStmt::Create(const ASTContext &C, SourceLocation tryLoc,
26*e5dd7070Spatrick Stmt *tryBlock, ArrayRef<Stmt *> handlers) {
27*e5dd7070Spatrick const size_t Size = totalSizeToAlloc<Stmt *>(handlers.size() + 1);
28*e5dd7070Spatrick void *Mem = C.Allocate(Size, alignof(CXXTryStmt));
29*e5dd7070Spatrick return new (Mem) CXXTryStmt(tryLoc, tryBlock, handlers);
30*e5dd7070Spatrick }
31*e5dd7070Spatrick
Create(const ASTContext & C,EmptyShell Empty,unsigned numHandlers)32*e5dd7070Spatrick CXXTryStmt *CXXTryStmt::Create(const ASTContext &C, EmptyShell Empty,
33*e5dd7070Spatrick unsigned numHandlers) {
34*e5dd7070Spatrick const size_t Size = totalSizeToAlloc<Stmt *>(numHandlers + 1);
35*e5dd7070Spatrick void *Mem = C.Allocate(Size, alignof(CXXTryStmt));
36*e5dd7070Spatrick return new (Mem) CXXTryStmt(Empty, numHandlers);
37*e5dd7070Spatrick }
38*e5dd7070Spatrick
CXXTryStmt(SourceLocation tryLoc,Stmt * tryBlock,ArrayRef<Stmt * > handlers)39*e5dd7070Spatrick CXXTryStmt::CXXTryStmt(SourceLocation tryLoc, Stmt *tryBlock,
40*e5dd7070Spatrick ArrayRef<Stmt *> handlers)
41*e5dd7070Spatrick : Stmt(CXXTryStmtClass), TryLoc(tryLoc), NumHandlers(handlers.size()) {
42*e5dd7070Spatrick Stmt **Stmts = getStmts();
43*e5dd7070Spatrick Stmts[0] = tryBlock;
44*e5dd7070Spatrick std::copy(handlers.begin(), handlers.end(), Stmts + 1);
45*e5dd7070Spatrick }
46*e5dd7070Spatrick
CXXForRangeStmt(Stmt * Init,DeclStmt * Range,DeclStmt * BeginStmt,DeclStmt * EndStmt,Expr * Cond,Expr * Inc,DeclStmt * LoopVar,Stmt * Body,SourceLocation FL,SourceLocation CAL,SourceLocation CL,SourceLocation RPL)47*e5dd7070Spatrick CXXForRangeStmt::CXXForRangeStmt(Stmt *Init, DeclStmt *Range,
48*e5dd7070Spatrick DeclStmt *BeginStmt, DeclStmt *EndStmt,
49*e5dd7070Spatrick Expr *Cond, Expr *Inc, DeclStmt *LoopVar,
50*e5dd7070Spatrick Stmt *Body, SourceLocation FL,
51*e5dd7070Spatrick SourceLocation CAL, SourceLocation CL,
52*e5dd7070Spatrick SourceLocation RPL)
53*e5dd7070Spatrick : Stmt(CXXForRangeStmtClass), ForLoc(FL), CoawaitLoc(CAL), ColonLoc(CL),
54*e5dd7070Spatrick RParenLoc(RPL) {
55*e5dd7070Spatrick SubExprs[INIT] = Init;
56*e5dd7070Spatrick SubExprs[RANGE] = Range;
57*e5dd7070Spatrick SubExprs[BEGINSTMT] = BeginStmt;
58*e5dd7070Spatrick SubExprs[ENDSTMT] = EndStmt;
59*e5dd7070Spatrick SubExprs[COND] = Cond;
60*e5dd7070Spatrick SubExprs[INC] = Inc;
61*e5dd7070Spatrick SubExprs[LOOPVAR] = LoopVar;
62*e5dd7070Spatrick SubExprs[BODY] = Body;
63*e5dd7070Spatrick }
64*e5dd7070Spatrick
getRangeInit()65*e5dd7070Spatrick Expr *CXXForRangeStmt::getRangeInit() {
66*e5dd7070Spatrick DeclStmt *RangeStmt = getRangeStmt();
67*e5dd7070Spatrick VarDecl *RangeDecl = dyn_cast_or_null<VarDecl>(RangeStmt->getSingleDecl());
68*e5dd7070Spatrick assert(RangeDecl && "for-range should have a single var decl");
69*e5dd7070Spatrick return RangeDecl->getInit();
70*e5dd7070Spatrick }
71*e5dd7070Spatrick
getRangeInit() const72*e5dd7070Spatrick const Expr *CXXForRangeStmt::getRangeInit() const {
73*e5dd7070Spatrick return const_cast<CXXForRangeStmt *>(this)->getRangeInit();
74*e5dd7070Spatrick }
75*e5dd7070Spatrick
getLoopVariable()76*e5dd7070Spatrick VarDecl *CXXForRangeStmt::getLoopVariable() {
77*e5dd7070Spatrick Decl *LV = cast<DeclStmt>(getLoopVarStmt())->getSingleDecl();
78*e5dd7070Spatrick assert(LV && "No loop variable in CXXForRangeStmt");
79*e5dd7070Spatrick return cast<VarDecl>(LV);
80*e5dd7070Spatrick }
81*e5dd7070Spatrick
getLoopVariable() const82*e5dd7070Spatrick const VarDecl *CXXForRangeStmt::getLoopVariable() const {
83*e5dd7070Spatrick return const_cast<CXXForRangeStmt *>(this)->getLoopVariable();
84*e5dd7070Spatrick }
85*e5dd7070Spatrick
Create(const ASTContext & C,CoroutineBodyStmt::CtorArgs const & Args)86*e5dd7070Spatrick CoroutineBodyStmt *CoroutineBodyStmt::Create(
87*e5dd7070Spatrick const ASTContext &C, CoroutineBodyStmt::CtorArgs const &Args) {
88*e5dd7070Spatrick std::size_t Size = totalSizeToAlloc<Stmt *>(
89*e5dd7070Spatrick CoroutineBodyStmt::FirstParamMove + Args.ParamMoves.size());
90*e5dd7070Spatrick
91*e5dd7070Spatrick void *Mem = C.Allocate(Size, alignof(CoroutineBodyStmt));
92*e5dd7070Spatrick return new (Mem) CoroutineBodyStmt(Args);
93*e5dd7070Spatrick }
94*e5dd7070Spatrick
Create(const ASTContext & C,EmptyShell,unsigned NumParams)95*e5dd7070Spatrick CoroutineBodyStmt *CoroutineBodyStmt::Create(const ASTContext &C, EmptyShell,
96*e5dd7070Spatrick unsigned NumParams) {
97*e5dd7070Spatrick std::size_t Size = totalSizeToAlloc<Stmt *>(
98*e5dd7070Spatrick CoroutineBodyStmt::FirstParamMove + NumParams);
99*e5dd7070Spatrick
100*e5dd7070Spatrick void *Mem = C.Allocate(Size, alignof(CoroutineBodyStmt));
101*e5dd7070Spatrick auto *Result = new (Mem) CoroutineBodyStmt(CtorArgs());
102*e5dd7070Spatrick Result->NumParams = NumParams;
103*e5dd7070Spatrick auto *ParamBegin = Result->getStoredStmts() + SubStmt::FirstParamMove;
104*e5dd7070Spatrick std::uninitialized_fill(ParamBegin, ParamBegin + NumParams,
105*e5dd7070Spatrick static_cast<Stmt *>(nullptr));
106*e5dd7070Spatrick return Result;
107*e5dd7070Spatrick }
108*e5dd7070Spatrick
CoroutineBodyStmt(CoroutineBodyStmt::CtorArgs const & Args)109*e5dd7070Spatrick CoroutineBodyStmt::CoroutineBodyStmt(CoroutineBodyStmt::CtorArgs const &Args)
110*e5dd7070Spatrick : Stmt(CoroutineBodyStmtClass), NumParams(Args.ParamMoves.size()) {
111*e5dd7070Spatrick Stmt **SubStmts = getStoredStmts();
112*e5dd7070Spatrick SubStmts[CoroutineBodyStmt::Body] = Args.Body;
113*e5dd7070Spatrick SubStmts[CoroutineBodyStmt::Promise] = Args.Promise;
114*e5dd7070Spatrick SubStmts[CoroutineBodyStmt::InitSuspend] = Args.InitialSuspend;
115*e5dd7070Spatrick SubStmts[CoroutineBodyStmt::FinalSuspend] = Args.FinalSuspend;
116*e5dd7070Spatrick SubStmts[CoroutineBodyStmt::OnException] = Args.OnException;
117*e5dd7070Spatrick SubStmts[CoroutineBodyStmt::OnFallthrough] = Args.OnFallthrough;
118*e5dd7070Spatrick SubStmts[CoroutineBodyStmt::Allocate] = Args.Allocate;
119*e5dd7070Spatrick SubStmts[CoroutineBodyStmt::Deallocate] = Args.Deallocate;
120*e5dd7070Spatrick SubStmts[CoroutineBodyStmt::ReturnValue] = Args.ReturnValue;
121*e5dd7070Spatrick SubStmts[CoroutineBodyStmt::ReturnStmt] = Args.ReturnStmt;
122*e5dd7070Spatrick SubStmts[CoroutineBodyStmt::ReturnStmtOnAllocFailure] =
123*e5dd7070Spatrick Args.ReturnStmtOnAllocFailure;
124*e5dd7070Spatrick std::copy(Args.ParamMoves.begin(), Args.ParamMoves.end(),
125*e5dd7070Spatrick const_cast<Stmt **>(getParamMoves().data()));
126*e5dd7070Spatrick }
127