llvm-6502/include/llvm/MC/MCParser/AsmCond.h
2013-01-10 00:45:19 +00:00

41 lines
1.2 KiB
C++

//===- AsmCond.h - Assembly file conditional assembly ----------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_MC_MCPARSER_ASMCOND_H
#define LLVM_MC_MCPARSER_ASMCOND_H
namespace llvm {
/// AsmCond - Class to support conditional assembly
///
/// The conditional assembly feature (.if, .else, .elseif and .endif) is
/// implemented with AsmCond that tells us what we are in the middle of
/// processing. Ignore can be either true or false. When true we are ignoring
/// the block of code in the middle of a conditional.
class AsmCond {
public:
enum ConditionalAssemblyType {
NoCond, // no conditional is being processed
IfCond, // inside if conditional
ElseIfCond, // inside elseif conditional
ElseCond // inside else conditional
};
ConditionalAssemblyType TheCond;
bool CondMet;
bool Ignore;
AsmCond() : TheCond(NoCond), CondMet(false), Ignore(false) {}
};
} // end namespace llvm
#endif