{- |

Module : $Id$

Description : CspCASL keywords to be used for parsing and printing

Copyright : (c) Andy Gimblett and Swansea University 2006

License : similar to LGPL, see HetCATS/LICENSE.txt or LIZENZ.txt

Maintainer : a.m.gimblett@swan.ac.uk

Stability : provisional

Portability : portable

String constants for CspCASL keywords to be used for parsing and

printing.

-}

module CspCASL.CspCASL_Keywords where

import Common.Token (casl_reserved_words)

-- | Keywords identifying beginning of channel declaration part.

channelS, channelsS :: String

channelS = "channel"

channelsS = "channels"

-- | Keyword identifying beginning of process equation part.

processS :: String

processS = "process"

-- | interleaving parallel operator

interleavingS :: String

interleavingS = "|||"

-- | synchronous parallel operator

synchronousS :: String

synchronousS = "||"

-- | Open generalised parallel

general_parallel_openS :: String

general_parallel_openS = "[|"

-- | Close generalised parallel

general_parallel_closeS :: String

general_parallel_closeS = "|]"

-- | Open alpabetised parallel

alpha_parallel_openS :: String

alpha_parallel_openS = "["

-- | Separator in alpabetised parallel

alpha_parallel_sepS :: String

alpha_parallel_sepS = "||"

-- | Close alpabetised parallel

alpha_parallel_closeS :: String

alpha_parallel_closeS = "]"

-- | External choice

external_choiceS :: String

external_choiceS = "[]"

-- | Internal choice

internal_choiceS :: String

internal_choiceS = "|~|"

-- | Prefix processes

prefixS :: String

prefixS = "->"

-- | External prefix opener

external_prefixS :: String

external_prefixS = "[]"

-- | Internal prefix opener

internal_prefixS :: String

internal_prefixS = "|~|"

-- | Hiding

hidingS :: String

hidingS = "\\"

-- | Open a renaming

renaming_openS :: String

renaming_openS = "[["

-- | Close a renaming

renaming_closeS :: String

renaming_closeS = "]]"

-- | "RUN" primitive process

runS :: String

runS = "RUN"

-- | "CHAOS" primitive process

chaosS :: String

chaosS = "CHAOS"

-- | "div" primitive process

divS :: String

divS = "div"

-- | "SKIP" primitive process

skipS :: String

skipS = "SKIP"

-- | "STOP" primitive process

stopS :: String

stopS = "STOP"

-- | Reserved keywords specific to CSP-CASL.

csp_casl_keywords :: [String]

csp_casl_keywords = casl_reserved_words ++

[ channelS,

channelsS,

processS,

interleavingS,

synchronousS,

general_parallel_openS,

general_parallel_closeS,

alpha_parallel_openS,

alpha_parallel_sepS,

alpha_parallel_closeS,

external_choiceS,

internal_choiceS,

prefixS,

external_prefixS,

internal_prefixS,

hidingS,

renaming_openS,

renaming_closeS,

runS,

chaosS,

divS,

skipS,

stopS

]