forked from OSchip/llvm-project
87 lines
3.0 KiB
C++
87 lines
3.0 KiB
C++
//===--- StmtCXX.cpp - Classes for representing C++ statements ------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the subclesses of Stmt class declared in StmtCXX.h
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//
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//===----------------------------------------------------------------------===//
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#include "clang/AST/StmtCXX.h"
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#include "clang/AST/ASTContext.h"
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using namespace clang;
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QualType CXXCatchStmt::getCaughtType() const {
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if (ExceptionDecl)
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return ExceptionDecl->getType();
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return QualType();
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}
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CXXTryStmt *CXXTryStmt::Create(const ASTContext &C, SourceLocation tryLoc,
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Stmt *tryBlock, ArrayRef<Stmt *> handlers) {
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std::size_t Size = sizeof(CXXTryStmt);
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Size += ((handlers.size() + 1) * sizeof(Stmt *));
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void *Mem = C.Allocate(Size, llvm::alignOf<CXXTryStmt>());
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return new (Mem) CXXTryStmt(tryLoc, tryBlock, handlers);
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}
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CXXTryStmt *CXXTryStmt::Create(const ASTContext &C, EmptyShell Empty,
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unsigned numHandlers) {
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std::size_t Size = sizeof(CXXTryStmt);
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Size += ((numHandlers + 1) * sizeof(Stmt *));
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void *Mem = C.Allocate(Size, llvm::alignOf<CXXTryStmt>());
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return new (Mem) CXXTryStmt(Empty, numHandlers);
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}
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CXXTryStmt::CXXTryStmt(SourceLocation tryLoc, Stmt *tryBlock,
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ArrayRef<Stmt *> handlers)
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: Stmt(CXXTryStmtClass), TryLoc(tryLoc), NumHandlers(handlers.size()) {
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Stmt **Stmts = reinterpret_cast<Stmt **>(this + 1);
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Stmts[0] = tryBlock;
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std::copy(handlers.begin(), handlers.end(), Stmts + 1);
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}
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CXXForRangeStmt::CXXForRangeStmt(DeclStmt *Range, DeclStmt *BeginEndStmt,
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Expr *Cond, Expr *Inc, DeclStmt *LoopVar,
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Stmt *Body, SourceLocation FL,
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SourceLocation CAL, SourceLocation CL,
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SourceLocation RPL)
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: Stmt(CXXForRangeStmtClass), ForLoc(FL), CoawaitLoc(CAL), ColonLoc(CL),
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RParenLoc(RPL) {
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SubExprs[RANGE] = Range;
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SubExprs[BEGINEND] = BeginEndStmt;
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SubExprs[COND] = Cond;
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SubExprs[INC] = Inc;
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SubExprs[LOOPVAR] = LoopVar;
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SubExprs[BODY] = Body;
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}
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Expr *CXXForRangeStmt::getRangeInit() {
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DeclStmt *RangeStmt = getRangeStmt();
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VarDecl *RangeDecl = dyn_cast_or_null<VarDecl>(RangeStmt->getSingleDecl());
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assert(RangeDecl && "for-range should have a single var decl");
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return RangeDecl->getInit();
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}
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const Expr *CXXForRangeStmt::getRangeInit() const {
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return const_cast<CXXForRangeStmt *>(this)->getRangeInit();
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}
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VarDecl *CXXForRangeStmt::getLoopVariable() {
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Decl *LV = cast<DeclStmt>(getLoopVarStmt())->getSingleDecl();
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assert(LV && "No loop variable in CXXForRangeStmt");
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return cast<VarDecl>(LV);
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}
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const VarDecl *CXXForRangeStmt::getLoopVariable() const {
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return const_cast<CXXForRangeStmt *>(this)->getLoopVariable();
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}
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