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" Vim syntax file
" Language:	Eviews (http://www.eviews.com)
" Maintainer:	Vaidotas Zemlys <zemlys@gmail.com>
" Last Change:  2006 Apr 30
" Filenames:	*.prg
" URL:	http://uosis.mif.vu.lt/~zemlys/vim-syntax/eviews.vim
" quit when a syntax file was already loaded
if exists("b:current_syntax")
  finish
endif

setlocal iskeyword=@,48-57,_,.

syn case match

" Comment
syn match eComment /\'.*/

" Constant
" string enclosed in double quotes
syn region eString start=/"/ skip=/\\\\\|\\"/ end=/"/
" number with no fractional part or exponent
syn match eNumber /\d\+/
" floating point number with integer and fractional parts and optional exponent
syn match eFloat /\d\+\.\d*\([Ee][-+]\=\d\+\)\=/
" floating point number with no integer part and optional exponent
syn match eFloat /\.\d\+\([Ee][-+]\=\d\+\)\=/
" floating point number with no fractional part and optional exponent
syn match eFloat /\d\+[Ee][-+]\=\d\+/

" Identifier
" identifier with leading letter and optional following keyword characters
syn match eIdentifier /\a\k*/

" Eviews Programing Language
syn keyword eProgLang  @date else endif @errorcount @evpath exitloop for if @isobject next poff pon return statusline step stop  @temppath then @time to @toc wend while  include call subroutine endsub and or

" Eviews Objects, Views and Procedures
syn keyword eOVP alpha coef equation graph group link logl matrix model pool rowvector sample scalar series sspace sym system table text valmap var vector


" Standard Eviews Commands
syn keyword eStdCmd 3sls add addassign addinit addtext align alpha append arch archtest area arlm arma arroots auto axis bar bdstest binary block boxplot boxplotby bplabel cause ccopy cd cdfplot cellipse censored cfetch checkderivs chow clabel cleartext close coef coefcov coint comment control copy cor correl correlsq count cov create cross data datelabel dates db dbcopy dbcreate dbdelete dbopen dbpack dbrebuild dbrename dbrepair decomp define delete derivs describe displayname do draw driconvert drop dtable ec edftest endog eqs equation errbar exclude exit expand fetch fill fiml fit forecast freeze freq frml garch genr gmm grads graph group hconvert hfetch hilo hist hlabel hpf impulse jbera kdensity kerfit label laglen legend line linefit link linkto load logit logl ls makecoint makederivs makeendog makefilter makegarch makegrads makegraph makegroup makelimits makemodel makeregs makeresids makesignals makestates makestats makesystem map matrix means merge metafile ml model msg name nnfit open options ordered output override pageappend pagecontract pagecopy pagecreate pagedelete pageload pagerename pagesave pageselect pagestack pagestruct pageunstack param pcomp pie pool predict print probit program qqplot qstats range read rename representations resample reset residcor residcov resids results rls rndint rndseed rowvector run sample save scalar scale scat scatmat scenario seas seasplot series set setbpelem setcell setcolwidth setconvert setelem setfillcolor setfont setformat setheight setindent setjust setline setlines setmerge settextcolor setwidth sheet show signalgraphs smooth smpl solve solveopt sort spec spike sspace statby statefinal stategraphs stateinit stats statusline stomna store structure sur svar sym system table template testadd testbtw testby testdrop testexog testfit testlags teststat text tic toc trace tramoseats tsls unlink update updatecoefs uroot usage valmap var vars vector wald wfcreate wfopen wfsave wfselect white wls workfile write wtsls x11 x12 xy xyline xypair 

" Constant Identifier
syn match eConstant /\!\k*/
" String Identifier
syn match eStringId /%\k*/
" Command Identifier
syn match eCommand /@\k*/

" Special
syn match eDelimiter /[,;:]/

" Error
syn region eRegion matchgroup=Delimiter start=/(/ matchgroup=Delimiter end=/)/ transparent contains=ALLBUT,rError,rBraceError,rCurlyError
syn region eRegion matchgroup=Delimiter start=/{/ matchgroup=Delimiter end=/}/ transparent contains=ALLBUT,rError,rBraceError,rParenError
syn region eRegion matchgroup=Delimiter start=/\[/ matchgroup=Delimiter end=/]/ transparent contains=ALLBUT,rError,rCurlyError,rParenError
syn match eError      /[)\]}]/
syn match eBraceError /[)}]/ contained
syn match eCurlyError /[)\]]/ contained
syn match eParenError /[\]}]/ contained

" Define the default highlighting.
" Only when an item doesn't have highlighting yet
hi def link eComment     Comment
hi def link eConstant    Identifier
hi def link eStringId    Identifier
hi def link eCommand     Type
hi def link eString      String
hi def link eNumber      Number
hi def link eBoolean     Boolean
hi def link eFloat       Float
hi def link eConditional Conditional
hi def link eProgLang    Statement
hi def link eOVP	      Statement
hi def link eStdCmd      Statement
hi def link eIdentifier  Normal
hi def link eDelimiter   Delimiter
hi def link eError       Error
hi def link eBraceError  Error
hi def link eCurlyError  Error
hi def link eParenError  Error

let b:current_syntax="eviews"

" vim: ts=8 sw=2