StmtCXX.cpp source code [clang_source_code/lib/AST/StmtCXX.cpp]

1	//===--- StmtCXX.cpp - Classes for representing C++ 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 StmtCXX.h
10	//
11	//===----------------------------------------------------------------------===//
12
13	#include "clang/AST/StmtCXX.h"
14
15	#include "clang/AST/ASTContext.h"
16
17	using namespace clang;
18
19	QualType CXXCatchStmt::getCaughtType() const {
20	if (ExceptionDecl)
21	return ExceptionDecl->getType();
22	return QualType();
23	}
24
25	CXXTryStmt *CXXTryStmt::Create(const ASTContext &C, SourceLocation tryLoc,
26	Stmt tryBlock, ArrayRef<Stmt > handlers) {
27	const size_t Size = totalSizeToAlloc<Stmt *>(handlers.size() + 1);
28	void *Mem = C.Allocate(Size, alignof(CXXTryStmt));
29	return new (Mem) CXXTryStmt(tryLoc, tryBlock, handlers);
30	}
31
32	CXXTryStmt *CXXTryStmt::Create(const ASTContext &C, EmptyShell Empty,
33	unsigned numHandlers) {
34	const size_t Size = totalSizeToAlloc<Stmt *>(numHandlers + 1);
35	void *Mem = C.Allocate(Size, alignof(CXXTryStmt));
36	return new (Mem) CXXTryStmt(Empty, numHandlers);
37	}
38
39	CXXTryStmt::CXXTryStmt(SourceLocation tryLoc, Stmt *tryBlock,
40	ArrayRef<Stmt *> handlers)
41	: Stmt(CXXTryStmtClass), TryLoc(tryLoc), NumHandlers(handlers.size()) {
42	Stmt **Stmts = getStmts();
43	Stmts[0] = tryBlock;
44	std::copy(handlers.begin(), handlers.end(), Stmts + 1);
45	}
46
47	CXXForRangeStmt::CXXForRangeStmt(Stmt Init, DeclStmt Range,
48	DeclStmt BeginStmt, DeclStmt EndStmt,
49	Expr Cond, Expr Inc, DeclStmt *LoopVar,
50	Stmt *Body, SourceLocation FL,
51	SourceLocation CAL, SourceLocation CL,
52	SourceLocation RPL)
53	: Stmt(CXXForRangeStmtClass), ForLoc(FL), CoawaitLoc(CAL), ColonLoc(CL),
54	RParenLoc(RPL) {
55	SubExprs[INIT] = Init;
56	SubExprs[RANGE] = Range;
57	SubExprs[BEGINSTMT] = BeginStmt;
58	SubExprs[ENDSTMT] = EndStmt;
59	SubExprs[COND] = Cond;
60	SubExprs[INC] = Inc;
61	SubExprs[LOOPVAR] = LoopVar;
62	SubExprs[BODY] = Body;
63	}
64
65	Expr *CXXForRangeStmt::getRangeInit() {
66	DeclStmt *RangeStmt = getRangeStmt();
67	VarDecl *RangeDecl = dyn_cast_or_null<VarDecl>(RangeStmt->getSingleDecl());
68	(0) . __assert_fail ("RangeDecl && \"for-range should have a single var decl\"", "/home/seafit/code_projects/clang_source/clang/lib/AST/StmtCXX.cpp", 68, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(RangeDecl && "for-range should have a single var decl");
69	return RangeDecl->getInit();
70	}
71
72	const Expr *CXXForRangeStmt::getRangeInit() const {
73	return const_cast<CXXForRangeStmt *>(this)->getRangeInit();
74	}
75
76	VarDecl *CXXForRangeStmt::getLoopVariable() {
77	Decl *LV = cast<DeclStmt>(getLoopVarStmt())->getSingleDecl();
78	(0) . __assert_fail ("LV && \"No loop variable in CXXForRangeStmt\"", "/home/seafit/code_projects/clang_source/clang/lib/AST/StmtCXX.cpp", 78, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(LV && "No loop variable in CXXForRangeStmt");
79	return cast<VarDecl>(LV);
80	}
81
82	const VarDecl *CXXForRangeStmt::getLoopVariable() const {
83	return const_cast<CXXForRangeStmt *>(this)->getLoopVariable();
84	}
85
86	CoroutineBodyStmt *CoroutineBodyStmt::Create(
87	const ASTContext &C, CoroutineBodyStmt::CtorArgs const &Args) {
88	std::size_t Size = totalSizeToAlloc<Stmt *>(
89	CoroutineBodyStmt::FirstParamMove + Args.ParamMoves.size());
90
91	void *Mem = C.Allocate(Size, alignof(CoroutineBodyStmt));
92	return new (Mem) CoroutineBodyStmt(Args);
93	}
94
95	CoroutineBodyStmt *CoroutineBodyStmt::Create(const ASTContext &C, EmptyShell,
96	unsigned NumParams) {
97	std::size_t Size = totalSizeToAlloc<Stmt *>(
98	CoroutineBodyStmt::FirstParamMove + NumParams);
99
100	void *Mem = C.Allocate(Size, alignof(CoroutineBodyStmt));
101	auto *Result = new (Mem) CoroutineBodyStmt(CtorArgs());
102	Result->NumParams = NumParams;
103	auto *ParamBegin = Result->getStoredStmts() + SubStmt::FirstParamMove;
104	std::uninitialized_fill(ParamBegin, ParamBegin + NumParams,
105	static_cast<Stmt *>(nullptr));
106	return Result;
107	}
108
109	CoroutineBodyStmt::CoroutineBodyStmt(CoroutineBodyStmt::CtorArgs const &Args)
110	: Stmt(CoroutineBodyStmtClass), NumParams(Args.ParamMoves.size()) {
111	Stmt **SubStmts = getStoredStmts();
112	SubStmts[CoroutineBodyStmt::Body] = Args.Body;
113	SubStmts[CoroutineBodyStmt::Promise] = Args.Promise;
114	SubStmts[CoroutineBodyStmt::InitSuspend] = Args.InitialSuspend;
115	SubStmts[CoroutineBodyStmt::FinalSuspend] = Args.FinalSuspend;
116	SubStmts[CoroutineBodyStmt::OnException] = Args.OnException;
117	SubStmts[CoroutineBodyStmt::OnFallthrough] = Args.OnFallthrough;
118	SubStmts[CoroutineBodyStmt::Allocate] = Args.Allocate;
119	SubStmts[CoroutineBodyStmt::Deallocate] = Args.Deallocate;
120	SubStmts[CoroutineBodyStmt::ReturnValue] = Args.ReturnValue;
121	SubStmts[CoroutineBodyStmt::ResultDecl] = Args.ResultDecl;
122	SubStmts[CoroutineBodyStmt::ReturnStmt] = Args.ReturnStmt;
123	SubStmts[CoroutineBodyStmt::ReturnStmtOnAllocFailure] =
124	Args.ReturnStmtOnAllocFailure;
125	std::copy(Args.ParamMoves.begin(), Args.ParamMoves.end(),
126	const_cast<Stmt **>(getParamMoves().data()));
127	}
128

clang::CXXCatchStmt::getCaughtType

clang::CXXTryStmt::Create

clang::CXXForRangeStmt::getRangeInit

clang::CXXForRangeStmt::getLoopVariable

clang::CoroutineBodyStmt::Create

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