" Vim syntax file
" Language:            RPL/2
" Version:             0.15.7 against RPL/2 version 4.00pre6b
" Last Change:         2003 Jan 29
" Maintainer:          Joël BERTRAND <rpl2@free.fr>
" URL:			http://www.makalis.fr/~bertrand/rpl2/download/vim/syntax/rpl.vim

" For version 5.x: Clear all syntax items
" For version 6.x: Quit when a syntax file was already loaded
if version < 600
  syntax clear
elseif exists("b:current_syntax")
  finish
endif

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

" Case sensitive
syntax case match

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

" Any binary number
syntax match rplBinaryError        "\(^\|\s\+\)#\s*\S\+b\ze"
syntax match rplBinary             "\(^\|\s\+\)#\s*[01]\+b\ze\($\|\s\+\)"
syntax match rplOctalError         "\(^\|\s\+\)#\s*\S\+o\ze"
syntax match rplOctal              "\(^\|\s\+\)#\s*\o\+o\ze\($\|\s\+\)"
syntax match rplDecimalError       "\(^\|\s\+\)#\s*\S\+d\ze"
syntax match rplDecimal            "\(^\|\s\+\)#\s*\d\+d\ze\($\|\s\+\)"
syntax match rplHexadecimalError   "\(^\|\s\+\)#\s*\S\+h\ze"
syntax match rplHexadecimal        "\(^\|\s\+\)#\s*\x\+h\ze\($\|\s\+\)"

" Case unsensitive
syntax case ignore

syntax match rplControl            "\(^\|\s\+\)abort\ze\($\|\s\+\)"
syntax match rplControl            "\(^\|\s\+\)kill\ze\($\|\s\+\)"
syntax match rplControl            "\(^\|\s\+\)cont\ze\($\|\s\+\)"
syntax match rplControl            "\(^\|\s\+\)halt\ze\($\|\s\+\)"
syntax match rplControl            "\(^\|\s\+\)cmlf\ze\($\|\s\+\)"
syntax match rplControl            "\(^\|\s\+\)sst\ze\($\|\s\+\)"

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

syntax match rplStatement          "\(^\|\s\+\)return\ze\($\|\s\+\)"
syntax match rplStatement          "\(^\|\s\+\)last\ze\($\|\s\+\)"
syntax match rplStatement          "\(^\|\s\+\)syzeval\ze\($\|\s\+\)"
syntax match rplStatement          "\(^\|\s\+\)wait\ze\($\|\s\+\)"
syntax match rplStatement          "\(^\|\s\+\)type\ze\($\|\s\+\)"
syntax match rplStatement          "\(^\|\s\+\)kind\ze\($\|\s\+\)"
syntax match rplStatement          "\(^\|\s\+\)eval\ze\($\|\s\+\)"
syntax match rplStatement          "\(^\|\s\+\)use\ze\($\|\s\+\)"
syntax match rplStatement          "\(^\|\s\+\)remove\ze\($\|\s\+\)"
syntax match rplStatement          "\(^\|\s\+\)dup\([2n]\|\)\ze\($\|\s\+\)"
syntax match rplStatement          "\(^\|\s\+\)drop\([2n]\|\)\ze\($\|\s\+\)"
syntax match rplStatement          "\(^\|\s\+\)depth\ze\($\|\s\+\)"
syntax match rplStatement          "\(^\|\s\+\)roll\(d\|\)\ze\($\|\s\+\)"
syntax match rplStatement          "\(^\|\s\+\)pick\ze\($\|\s\+\)"
syntax match rplStatement          "\(^\|\s\+\)rot\ze\($\|\s\+\)"
syntax match rplStatement          "\(^\|\s\+\)swap\ze\($\|\s\+\)"
syntax match rplStatement          "\(^\|\s\+\)over\ze\($\|\s\+\)"
syntax match rplStatement          "\(^\|\s\+\)clear\ze\($\|\s\+\)"
syntax match rplStatement          "\(^\|\s\+\)warranty\ze\($\|\s\+\)"
syntax match rplStatement          "\(^\|\s\+\)copyright\ze\($\|\s\+\)"
syntax match rplStatement          "\(^\|\s\+\)convert\ze\($\|\s\+\)"
syntax match rplStatement          "\(^\|\s\+\)date\ze\($\|\s\+\)"
syntax match rplStatement          "\(^\|\s\+\)time\ze\($\|\s\+\)"
syntax match rplStatement          "\(^\|\s\+\)mem\ze\($\|\s\+\)"
syntax match rplStatement          "\(^\|\s\+\)clmf\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)->num\ze\($\|\s\+\)"

syntax match rplStorage            "\(^\|\s\+\)get\(i\|\)\ze\($\|\s\+\)"
syntax match rplStorage            "\(^\|\s\+\)put\(i\|\)\ze\($\|\s\+\)"
syntax match rplStorage            "\(^\|\s\+\)rcl\ze\($\|\s\+\)"
syntax match rplStorage            "\(^\|\s\+\)purge\ze\($\|\s\+\)"
syntax match rplStorage            "\(^\|\s\+\)sinv\ze\($\|\s\+\)"
syntax match rplStorage            "\(^\|\s\+\)sneg\ze\($\|\s\+\)"
syntax match rplStorage            "\(^\|\s\+\)sconj\ze\($\|\s\+\)"
syntax match rplStorage            "\(^\|\s\+\)steq\ze\($\|\s\+\)"
syntax match rplStorage            "\(^\|\s\+\)rceq\ze\($\|\s\+\)"
syntax match rplStorage            "\(^\|\s\+\)vars\ze\($\|\s\+\)"
syntax match rplStorage            "\(^\|\s\+\)sto\([+-/\*]\|\)\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 rplReadWrite          "\(^\|\s\+\)store\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)recall\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)\(\|wf\|un\)lock\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)open\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)close\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)delete\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)create\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)format\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)rewind\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)backspace\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)\(\|re\)write\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)read\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)inquire\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)sync\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)append\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)suppress\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)seek\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)pr\(1\|int\|st\|stc\|lcd\|var\|usr\|md\)\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)cr\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)erase\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)disp\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)input\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)prompt\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)key\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)cllcd\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)\(\|re\)draw\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)drax\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)indep\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)depnd\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)res\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)axes\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)label\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)pmin\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)pmax\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)centr\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)persist\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)title\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)\(auto\|log\|\)scale\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)function\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)polar\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)scatter\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)wireframe\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)\*w\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)\*h\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)->lcd\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)lcd->\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)edit\ze\($\|\s\+\)"
syntax match rplReadWrite          "\(^\|\s\+\)visit\ze\($\|\s\+\)"

syntax match rplIntrinsic          "\(^\|\s\+\)abs\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)arg\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)conj\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)re\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)im\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)mant\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)xpon\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)ceil\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)fact\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)fp\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)floor\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)inv\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)ip\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)max\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)min\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)mod\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)neg\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)relax\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)sign\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)sq\(\|rt\)\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)xroot\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)cos\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)sin\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)tan\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)tg\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)a\(\|rc\)cos\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)a\(\|rc\)sin\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)atan\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)arctg\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)\(\|a\)cosh\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)\(\|a\)sinh\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)\(\|a\)tanh\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)\(\|arg\)th\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)arg[cst]h\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)\(\|a\)log\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)ln\(\|1\)\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)exp\(\|m\)\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)trn\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)con\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)idn\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)rdm\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)rsd\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)cnrm\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)cross\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)d[eo]t\ze\($\|\s\+\)"

syntax match rplIntrinsic          "\(^\|\s\+\)\(\|g\)egvl\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)\(\|g\)\(\|l\|r\)egv\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)rnrm\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)\(std\|fix\|sci\|eng\)\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)\(rad\|deg\)\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)\(\|n\)rand\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)rdz\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)\(\|i\)fft\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)\(dec\|bin\|oct\|hex\)\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)rclf\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)stof\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)[cs]f\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)chr\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)num\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)pos\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)sub\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)size\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)\(st\|rc\)ws\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)\(r\|s\)\(r\|l\)\(\|b\)\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)as\(r\|l\)\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)\(int\|der\)\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)stos\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)\(\|r\)cls\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)drws\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)scls\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)nscls\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)tot\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)mean\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)\(\|p\)sdev\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)\(\|p\)var\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)maxs\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)mins\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)\(\|p\)cov\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)cols\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)corr\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)utp[cfnt]\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)comb\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)perm\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)\(\|p\)lu\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)[lu]chol\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)schur\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)%\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)%ch\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)%t\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)hms->\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)->hms\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)hms+\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)hms-\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)d->r\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)r->d\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)b->r\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)r->b\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)c->r\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)r->c\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)str->\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)->str\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)array->\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)->array\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)list->\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)->list\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)s+\ze\($\|\s\+\)"
syntax match rplIntrinsic          "\(^\|\s\+\)s-\ze\($\|\s\+\)"

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

" Conditional structures
syntax match rplConditionalError   "\(^\|\s\+\)case\ze\($\|\s\+\)"hs=e-3
syntax match rplConditionalError   "\(^\|\s\+\)then\ze\($\|\s\+\)"hs=e-3
syntax match rplConditionalError   "\(^\|\s\+\)else\ze\($\|\s\+\)"hs=e-3
syntax match rplConditionalError   "\(^\|\s\+\)elseif\ze\($\|\s\+\)"hs=e-5
syntax match rplConditionalError   "\(^\|\s\+\)end\ze\($\|\s\+\)"hs=e-2
syntax match rplConditionalError   "\(^\|\s\+\)cycle\ze\($\|\s\+\)"hs=e-4
syntax match rplConditionalError   "\(^\|\s\+\)\(step\|next\)\ze\($\|\s\+\)"hs=e-3
syntax match rplConditionalError   "\(^\|\s\+\)until\ze\($\|\s\+\)"hs=e-4
syntax match rplConditionalError   "\(^\|\s\+\)repeat\ze\($\|\s\+\)"hs=e-5
syntax match rplConditionalError   "\(^\|\s\+\)default\ze\($\|\s\+\)"hs=e-6

" FOR/(CYCLE)/NEXT
" FOR/(CYCLE)/STEP
" START/(CYCLE)/NEXT
" START/(CYCLE)/STEP
syntax match rplCycle              "\(^\|\s\+\)cycle\ze\($\|\s\+\)" contained containedin=rplForNext
syntax region rplForNext matchgroup=rplRepeat start="\(^\|\s\+\)\(for\|start\)\ze\($\|\s\+\)" end="\(^\|\s\+\)\(next\|step\)\ze\($\|\s\+\)" contains=ALL keepend extend

" 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

" IF/END
syntax region rplIfEnd matchgroup=rplConditional start="\(^\|\s\+\)if\(err\|\)\ze\($\|\s\+\)" end="\(^\|\s\+\)end\ze\($\|\s\+\)" contains=ALLBUT,rplElseEnd,rplElseifEnd keepend extend
" if end is accepted !

" 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 !

" DO/UNTIL/END
syntax region rplUntilEnd matchgroup=rplConditional start="\(^\|\s\+\)until\ze\($\|\s\+\)" end="\(^\|\s\+\)\zsend\ze\($\|\s\+\)" contains=ALLBUT,rplUntilEnd,rplCycle contained containedin=rplDoUntil extend keepend
syntax region rplDoUntil matchgroup=rplConditional start="\(^\|\s\+\)do\ze\($\|\s\+\)" end="\(^\|\s\+\)until\ze\($\|\s\+\)" contains=ALLBUT,rplCycle keepend extend

" WHILE/REPEAT/END
syntax region rplRepeatEnd matchgroup=rplConditional start="\(^\|\s\+\)repeat\ze\($\|\s\+\)" end="\(^\|\s\+\)\zsend\ze\($\|\s\+\)" contains=ALLBUT,rplRepeatEnd,rplCycle contained containedin=rplWhileRepeat extend keepend
syntax region rplWhileRepeat matchgroup=rplConditional start="\(^\|\s\+\)while\ze\($\|\s\+\)" end="\(^\|\s\+\)repeat\ze\($\|\s\+\)" contains=ALLBUT,rplCycle keepend extend

" 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,rplCycle,rplDefaultEnd,rplStorageSub keepend extend

" Expressions
syntax region rplExpr start="\(^\|\s\+\)'" end="'\ze\($\|\s\+\)" oneline 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,rplCycle,rplDefaultEnd,rplStorageExpr contained containedin=rplLocalStorage keepend extend
syntax region rplStorageExpr matchgroup=rplStorage start="\(^\|\s\+\)'" end="'\ze\($\|\s\+\)" oneline 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*#\s*\(define\|undef\)\>"
syntax match rplPreCondit "^\s*#\s*\(if\|ifdef\|ifndef\|elif\|else\|endif\)\>"
syntax match rplIncluded contained "\<<\s*\S*\s*>\>"
syntax match rplInclude   "^\s*#\s*include\>\s*["<]" contains=rplIncluded,rplString
syntax match rplExecPath  "^#!.*"

" 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
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 region rplString start=+\(^\|\s\+\)"+ end=+"\ze\($\|\s\+\)+ oneline contains=NONE

syntax match rplTab "\t"  transparent

" Define the default highlighting.
" For version 5.7 and earlier: only when not done already
" For version 5.8 and later: only when an item doesn't have highlighting yet
if version >= 508 || !exists("did_rpl_syntax_inits")
  if version < 508
    let did_rpl_syntax_inits = 1
    command -nargs=+ HiLink highlight link <args>
  else
    command -nargs=+ HiLink highlight default link <args>
  endif

  " The default highlighting.

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

  HiLink rplOperator            Operator

  HiLink rplList                Special
  HiLink rplArray               Special
  HiLink rplConstant            Identifier
  HiLink rplExpr                Type

  HiLink rplString              String

  HiLink rplBinary              Boolean
  HiLink rplOctal               Boolean
  HiLink rplDecimal             Boolean
  HiLink rplHexadecimal         Boolean
  HiLink rplInteger             Number
  HiLink rplFloat               Float
  HiLink rplComplex             Float
  HiLink rplBoolean             Identifier

  HiLink rplObsolete            Todo

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

  delcommand HiLink
endif

let b:current_syntax = "rpl"

" vim: ts=8 tw=132
