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//===--- StmtCXX.h - Classes for representing C++ statements ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines the C++ statement AST node classes.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_AST_STMTCXX_H
#define LLVM_CLANG_AST_STMTCXX_H
#include "clang/AST/Stmt.h"
namespace clang {
class VarDecl;
/// CXXCatchStmt - This represents a C++ catch block.
///
class CXXCatchStmt : public Stmt {
SourceLocation CatchLoc;
/// The exception-declaration of the type.
VarDecl *ExceptionDecl;
/// The handler block.
Stmt *HandlerBlock;
public:
CXXCatchStmt(SourceLocation catchLoc, VarDecl *exDecl, Stmt *handlerBlock)
: Stmt(CXXCatchStmtClass), CatchLoc(catchLoc), ExceptionDecl(exDecl),
HandlerBlock(handlerBlock) {}
CXXCatchStmt(EmptyShell Empty)
: Stmt(CXXCatchStmtClass), ExceptionDecl(0), HandlerBlock(0) {}
virtual SourceRange getSourceRange() const {
return SourceRange(CatchLoc, HandlerBlock->getLocEnd());
}
SourceLocation getCatchLoc() const { return CatchLoc; }
VarDecl *getExceptionDecl() const { return ExceptionDecl; }
QualType getCaughtType() const;
Stmt *getHandlerBlock() const { return HandlerBlock; }
static bool classof(const Stmt *T) {
return T->getStmtClass() == CXXCatchStmtClass;
}
static bool classof(const CXXCatchStmt *) { return true; }
virtual child_iterator child_begin();
virtual child_iterator child_end();
friend class ASTStmtReader;
};
/// CXXTryStmt - A C++ try block, including all handlers.
///
class CXXTryStmt : public Stmt {
SourceLocation TryLoc;
unsigned NumHandlers;
CXXTryStmt(SourceLocation tryLoc, Stmt *tryBlock, Stmt **handlers,
unsigned numHandlers);
CXXTryStmt(EmptyShell Empty, unsigned numHandlers)
: Stmt(CXXTryStmtClass), NumHandlers(numHandlers) { }
Stmt const * const *getStmts() const {
return reinterpret_cast<Stmt const * const*>(this + 1);
}
Stmt **getStmts() {
return reinterpret_cast<Stmt **>(this + 1);
}
public:
static CXXTryStmt *Create(ASTContext &C, SourceLocation tryLoc,
Stmt *tryBlock, Stmt **handlers,
unsigned numHandlers);
static CXXTryStmt *Create(ASTContext &C, EmptyShell Empty,
unsigned numHandlers);
virtual SourceRange getSourceRange() const {
return SourceRange(getTryLoc(), getEndLoc());
}
SourceLocation getTryLoc() const { return TryLoc; }
SourceLocation getEndLoc() const {
return getStmts()[NumHandlers]->getLocEnd();
}
CompoundStmt *getTryBlock() {
return llvm::cast<CompoundStmt>(getStmts()[0]);
}
const CompoundStmt *getTryBlock() const {
return llvm::cast<CompoundStmt>(getStmts()[0]);
}
unsigned getNumHandlers() const { return NumHandlers; }
CXXCatchStmt *getHandler(unsigned i) {
return llvm::cast<CXXCatchStmt>(getStmts()[i + 1]);
}
const CXXCatchStmt *getHandler(unsigned i) const {
return llvm::cast<CXXCatchStmt>(getStmts()[i + 1]);
}
static bool classof(const Stmt *T) {
return T->getStmtClass() == CXXTryStmtClass;
}
static bool classof(const CXXTryStmt *) { return true; }
virtual child_iterator child_begin();
virtual child_iterator child_end();
friend class ASTStmtReader;
};
} // end namespace clang
#endif
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