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rpl.vim

" Vim syntax file
" Language:	RPL/2
" Version:	0.15.15 against RPL/2 version 4.00pre7i
" Last Change:	2012 Feb 03 by Thilo Six
" Maintainer:	Jo�l BERTRAND <rpl2@free.fr>
" URL:		http://www.makalis.fr/~bertrand/rpl2/download/vim/indent/rpl.vim
" Credits:	Nothing

" quit when a syntax file was already loaded
if exists("b:current_syntax")
  finish
endif

let s:cpo_save = &cpo
set cpo&vim

" Keyword characters (not used)
" set iskeyword=33-127

" Case sensitive
syntax case match

" Constants
syntax match rplConstant	   "$^\|\s\+$$e\|i$\ze$$\|\s\+$"

" Case unsensitive
syntax case ignore

syntax match rplConstant	   "$^\|\s\+$pi\ze$$\|\s\+$"

syntax match rplAlgConditional	   "$^\|\s\+$ift$e\|$\ze$$\|\s\+$"

syntax match rplOperator	   "$^\|\s\+$and\ze$$\|\s\+$"
syntax match rplOperator	   "$^\|\s\+$$x\|$or\ze$$\|\s\+$"
syntax match rplOperator	   "$^\|\s\+$not\ze$$\|\s\+$"
syntax match rplOperator	   "$^\|\s\+$same\ze$$\|\s\+$"
syntax match rplOperator	   "$^\|\s\+$==\ze$$\|\s\+$"
syntax match rplOperator	   "$^\|\s\+$<=\ze$$\|\s\+$"
syntax match rplOperator	   "$^\|\s\+$=<\ze$$\|\s\+$"
syntax match rplOperator	   "$^\|\s\+$=>\ze$$\|\s\+$"
syntax match rplOperator	   "$^\|\s\+$>=\ze$$\|\s\+$"
syntax match rplOperator	   "$^\|\s\+$<>\ze$$\|\s\+$"
syntax match rplOperator	   "$^\|\s\+$>\ze$$\|\s\+$"
syntax match rplOperator	   "$^\|\s\+$<\ze$$\|\s\+$"
syntax match rplOperator	   "$^\|\s\+$[+-]\ze$$\|\s\+$"
syntax match rplOperator	   "$^\|\s\+$[/\*]\ze$$\|\s\+$"
syntax match rplOperator	   "$^\|\s\+$\^\ze$$\|\s\+$"
syntax match rplOperator	   "$^\|\s\+$\*\*\ze$$\|\s\+$"

syntax match rplBoolean		   "$^\|\s\+$true\ze$$\|\s\+$"
syntax match rplBoolean		   "$^\|\s\+$false\ze$$\|\s\+$"

syntax match rplObsolete	   "$^\|\s\+$arry->\ze$$\|\s\+$"hs=e-5
syntax match rplObsolete	   "$^\|\s\+$->arry\ze$$\|\s\+$"hs=e-5

" ELSEIF/END
syntax region rplElseifEnd matchgroup=rplConditional start="$^\|\s\+$elseif\ze$$\|\s\+$" end="$^\|\s\+$end\ze$$\|\s\+$" contained contains=ALLBUT,rplElseEnd keepend

" ELSE/END
syntax region rplElseEnd matchgroup=rplConditional start="$^\|\s\+$else\ze$$\|\s\+$" end="$^\|\s\+$end\ze$$\|\s\+$" contained contains=ALLBUT,rplElseEnd,rplThenEnd,rplElseifEnd keepend

" THEN/END
syntax region rplThenEnd matchgroup=rplConditional start="$^\|\s\+$then\ze$$\|\s\+$" end="$^\|\s\+$end\ze$$\|\s\+$" contained containedin=rplIfEnd contains=ALLBUT,rplThenEnd keepend

" CASE/THEN
syntax region rplCaseThen matchgroup=rplConditional start="$^\|\s\+$case\ze$$\|\s\+$" end="$^\|\s\+$then\ze$$\|\s\+$" contains=ALLBUT,rplCaseThen,rplCaseEnd,rplThenEnd keepend extend contained containedin=rplCaseEnd

" CASE/END
syntax region rplCaseEnd matchgroup=rplConditional start="$^\|\s\+$case\ze$$\|\s\+$" end="$^\|\s\+$end\ze$$\|\s\+$" contains=ALLBUT,rplCaseEnd,rplThenEnd,rplElseEnd keepend extend contained containedin=rplSelectEnd

" DEFAULT/END
syntax region rplDefaultEnd matchgroup=rplConditional start="$^\|\s\+$default\ze$$\|\s\+$" end="$^\|\s\+$end\ze$$\|\s\+$" contains=ALLBUT,rplDefaultEnd keepend contained containedin=rplSelectEnd

" SELECT/END
syntax region rplSelectEnd matchgroup=rplConditional start="$^\|\s\+$select\ze$$\|\s\+$" end="$^\|\s\+$end\ze$$\|\s\+$" contains=ALLBUT,rplThenEnd keepend extend
" select end is accepted !

" Comments
syntax match rplCommentError "\*/"
syntax region rplCommentString contained start=+"+ end=+"+ end=+\*/+me=s-1
syntax region rplCommentLine start="$^\|\s\+$//\ze" skip="\\$" end="$" contains=NONE keepend extend
syntax region rplComment start="$^\|\s\+$/\*\ze" end="\*/" contains=rplCommentString keepend extend

" Catch errors caused by too many right parentheses
syntax region rplParen transparent start="(" end=")" contains=ALLBUT,rplParenError,rplComplex,rplIncluded keepend extend
syntax match rplParenError ")"

" Subroutines
" Catch errors caused by too many right '>>'
syntax match rplSubError "$^\|\s\+$>>\ze$$\|\s\+$"hs=e-1
syntax region rplSub matchgroup=rplSubDelimitor start="$^\|\s\+$<<\ze$$\|\s\+$" end="$^\|\s\+$>>\ze$$\|\s\+$" contains=ALLBUT,rplSubError,rplIncluded,rplDefaultEnd,rplStorageSub keepend extend

" Expressions
syntax region rplExpr start="$^\|\s\+$'" end="'\ze$$\|\s\+$" contains=rplParen,rplParenError

" Local variables
syntax match rplStorageError "$^\|\s\+$->\ze$$\|\s\+$"hs=e-1
syntax region rplStorageSub matchgroup=rplStorage start="$^\|\s\+$<<\ze$$\|\s\+$" end="$^\|\s\+$>>\ze$$\|\s\+$" contains=ALLBUT,rplSubError,rplIncluded,rplDefaultEnd,rplStorageExpr contained containedin=rplLocalStorage keepend extend
syntax region rplStorageExpr matchgroup=rplStorage start="$^\|\s\+$'" end="'\ze$$\|\s\+$" contains=rplParen,rplParenError extend contained containedin=rplLocalStorage
syntax region rplLocalStorage matchgroup=rplStorage start="$^\|\s\+$->\ze$$\|\s\+$" end="$^\|\s\+$$<<\ze\($\|\s\+$\|'\)" contains=rplStorageSub,rplStorageExpr,rplComment,rplCommentLine keepend extend

" Catch errors caused by too many right brackets
syntax match rplArrayError "\]"
syntax match rplArray "\]" contained containedin=rplArray
syntax region rplArray matchgroup=rplArray start="\[" end="\]" contains=ALLBUT,rplArrayError keepend extend

" Catch errors caused by too many right '}'
syntax match rplListError "}"
syntax match rplList "}" contained containedin=rplList
syntax region rplList matchgroup=rplList start="{" end="}" contains=ALLBUT,rplListError,rplIncluded keepend extend

" cpp is used by RPL/2
syntax match rplPreProc   "\_^#\s*$define\|undef$\>"
syntax match rplPreProc   "\_^#\s*$warning\|error$\>"
syntax match rplPreCondit "\_^#\s*$if\|ifdef\|ifndef\|elif\|else\|endif$\>"
syntax match rplIncluded contained "\<<\s*\S*\s*>\>"
syntax match rplInclude   "\_^#\s*include\>\s*["<]" contains=rplIncluded,rplString
"syntax match rplExecPath  "\%^\_^#!\s*\S*"
syntax match rplExecPath  "\%^\_^#!\p*\_$"

" Any integer
syntax match rplInteger    "$^\|\s\+$[-+]\=\d\+\ze$$\|\s\+$"

" Floating point number
" [S][ip].[fp]
syntax match rplFloat       "$^\|\s\+$[-+]\=$\d*$\=[\.,]$\d*$\=\ze$$\|\s\+$" contains=ALLBUT,rplPoint,rplSign
" [S]ip[.fp]E[S]exp
syntax match rplFloat       "$^\|\s\+$[-+]\=\d\+$[\.,]\d*$\=[eE]$[-+]$\=\d\+\ze$$\|\s\+$" contains=ALLBUT,rplPoint,rplSign
" [S].fpE[S]exp
syntax match rplFloat       "$^\|\s\+$[-+]\=$\d*$\=[\.,]\d\+[eE]$[-+]$\=\d\+\ze$$\|\s\+$" contains=ALLBUT,rplPoint,rplSign
syntax match rplPoint      "\<[\.,]\>"
syntax match rplSign       "\<[+-]\>"

" Complex number
" (x,y)
syntax match rplComplex    "$^\|\s\+$([-+]\=$\d*$\=\.\=\d*$[eE][-+]\=\d\+$\=\s*,\s*[-+]\=$\d*$\=\.\=\d*$[eE][-+]\=\d\+$\=)\ze$$\|\s\+$"
" (x.y)
syntax match rplComplex    "$^\|\s\+$([-+]\=$\d*$\=,\=\d*$[eE][-+]\=\d\+$\=\s*\.\s*[-+]\=$\d*$\=,\=\d*$[eE][-+]\=\d\+$\=)\ze$$\|\s\+$"

" Strings
syntax match rplStringGuilles       "\\\""
syntax match rplStringAntislash     "\\\\"
syntax region rplString start=+$^\|\s\+$"+ end=+"\ze$$\|\s\+$+ contains=rplStringGuilles,rplStringAntislash

syntax match rplTab "\t"  transparent

" Define the default highlighting.
" Only when an item doesn't have highlighting yet

" The default highlighting.

hi def link rplControl		Statement
hi def link rplStatement		Statement
hi def link rplAlgConditional	Conditional
hi def link rplConditional		Repeat
hi def link rplConditionalError	Error
hi def link rplRepeat		Repeat
hi def link rplCycle		Repeat
hi def link rplUntil		Repeat
hi def link rplIntrinsic		Special
hi def link rplStorage		StorageClass
hi def link rplStorageExpr		StorageClass
hi def link rplStorageError	Error
hi def link rplReadWrite		rplIntrinsic

hi def link rplOperator		Operator

hi def link rplList		Special
hi def link rplArray		Special
hi def link rplConstant		Identifier
hi def link rplExpr		Type

hi def link rplString		String
hi def link rplStringGuilles	String
hi def link rplStringAntislash	String

hi def link rplBinary		Boolean
hi def link rplOctal		Boolean
hi def link rplDecimal		Boolean
hi def link rplHexadecimal		Boolean
hi def link rplInteger		Number
hi def link rplFloat		Float
hi def link rplComplex		Float
hi def link rplBoolean		Identifier

hi def link rplObsolete		Todo

hi def link rplPreCondit		PreCondit
hi def link rplInclude		Include
hi def link rplIncluded		rplString
hi def link rplInclude		Include
hi def link rplExecPath		Include
hi def link rplPreProc		PreProc
hi def link rplComment		Comment
hi def link rplCommentLine		Comment
hi def link rplCommentString	Comment
hi def link rplSubDelimitor	rplStorage
hi def link rplCommentError	Error
hi def link rplParenError		Error
hi def link rplSubError		Error
hi def link rplArrayError		Error
hi def link rplListError		Error
hi def link rplTab			Error
hi def link rplBinaryError		Error
hi def link rplOctalError		Error
hi def link rplDecimalError	Error
hi def link rplHexadecimalError	Error

let b:current_syntax = "rpl"

let &cpo = s:cpo_save
unlet s:cpo_save
" vim: ts=8 tw=132

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