Andrew Scull | 5e1ddfa | 2018-08-14 10:06:54 +0100 | [diff] [blame] | 1 | //===- AsmCond.h - Assembly file conditional assembly ----------*- C++ -*-===// |
| 2 | // |
Andrew Walbran | 16937d0 | 2019-10-22 13:54:20 +0100 | [diff] [blame^] | 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 |
Andrew Scull | 5e1ddfa | 2018-08-14 10:06:54 +0100 | [diff] [blame] | 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #ifndef LLVM_MC_MCPARSER_ASMCOND_H |
| 10 | #define LLVM_MC_MCPARSER_ASMCOND_H |
| 11 | |
| 12 | namespace llvm { |
| 13 | |
| 14 | /// AsmCond - Class to support conditional assembly |
| 15 | /// |
| 16 | /// The conditional assembly feature (.if, .else, .elseif and .endif) is |
Andrew Scull | cdfcccc | 2018-10-05 20:58:37 +0100 | [diff] [blame] | 17 | /// implemented with AsmCond that tells us what we are in the middle of |
Andrew Scull | 5e1ddfa | 2018-08-14 10:06:54 +0100 | [diff] [blame] | 18 | /// processing. Ignore can be either true or false. When true we are ignoring |
| 19 | /// the block of code in the middle of a conditional. |
| 20 | |
| 21 | class AsmCond { |
| 22 | public: |
| 23 | enum ConditionalAssemblyType { |
| 24 | NoCond, // no conditional is being processed |
| 25 | IfCond, // inside if conditional |
| 26 | ElseIfCond, // inside elseif conditional |
| 27 | ElseCond // inside else conditional |
| 28 | }; |
| 29 | |
| 30 | ConditionalAssemblyType TheCond = NoCond; |
| 31 | bool CondMet = false; |
| 32 | bool Ignore = false; |
| 33 | |
| 34 | AsmCond() = default; |
| 35 | }; |
| 36 | |
| 37 | } // end namespace llvm |
| 38 | |
| 39 | #endif // LLVM_MC_MCPARSER_ASMCOND_H |