| " Vim syntax file |
| " |
| " Language: NATURAL |
| " Version: 2.1.0.3 |
| " Maintainer: Marko von Oppen <marko@von-oppen.com> |
| " Last Changed: 2008-07-29 01:40:52 |
| " Support: http://www.von-oppen.com/ |
| |
| " For version 5.x: Clear all syntax items |
| " For version 6.x: Quit when this syntax file was already loaded |
| if v:version < 600 |
| syntax clear |
| set iskeyword+=-,*,#,+,_,/ |
| elseif exists("b:current_syntax") |
| finish |
| else |
| setlocal iskeyword+=-,*,#,+,_,/ |
| endif |
| |
| " NATURAL is case insensitive |
| syntax case ignore |
| |
| " preprocessor |
| syn keyword naturalInclude include nextgroup=naturalObjName skipwhite |
| |
| " define data |
| syn keyword naturalKeyword define data end-define |
| syn keyword naturalKeyword independent global parameter local redefine view |
| syn keyword naturalKeyword const[ant] init initial |
| |
| " loops |
| syn keyword naturalLoop read end-read end-work find end-find histogram end-histogram |
| syn keyword naturalLoop end-all sort end-sort sorted descending ascending |
| syn keyword naturalRepeat repeat end-repeat while until for step end-for |
| syn keyword naturalKeyword in file with field starting from ending at thru by isn where |
| syn keyword naturalError on error end-error |
| syn keyword naturalKeyword accept reject end-enddata number unique retain as release |
| syn keyword naturalKeyword start end-start break end-break physical page top sequence |
| syn keyword naturalKeyword end-toppage end-endpage end-endfile before processing |
| syn keyword naturalKeyword end-before |
| |
| " conditionals |
| syn keyword naturalConditional if then else end-if end-norec |
| syn keyword naturalConditional decide end-decide value when condition none any |
| |
| " assignment / calculation |
| syn keyword naturalKeyword reset assign move left right justified compress to into edited |
| syn keyword naturalKeyword add subtract multiply divide compute name |
| syn keyword naturalKeyword all giving remainder rounded leaving space numeric |
| syn keyword naturalKeyword examine full replace giving separate delimiter modified |
| syn keyword naturalKeyword suspend identical suppress |
| |
| " program flow |
| syn keyword naturalFlow callnat fetch return enter escape bottom top stack formatted |
| syn keyword naturalFlow command call |
| syn keyword naturalflow end-subroutine routine |
| |
| " file operations |
| syn keyword naturalKeyword update store get delete end transaction work once close |
| |
| " other keywords |
| syn keyword naturalKeyword first every of no record[s] found ignore immediate |
| syn keyword naturalKeyword set settime key control stop terminate |
| |
| " in-/output |
| syn keyword naturalKeyword write display input reinput notitle nohdr map newpage |
| syn keyword naturalKeyword alarm text help eject index window base size |
| syn keyword naturalKeyword format printer skip lines |
| |
| " functions |
| syn keyword naturalKeyword abs atn cos exp frac int log sgn sin sqrt tan val old |
| syn keyword naturalKeyword pos |
| |
| " report mode keywords |
| syn keyword naturalRMKeyword same loop obtain indexed do doend |
| |
| " Subroutine name |
| syn keyword naturalFlow perform subroutine nextgroup=naturalFunction skipwhite |
| syn match naturalFunction "\<[a-z][-_a-z0-9]*\>" |
| |
| syn keyword naturalFlow using nextgroup=naturalKeyword,naturalObjName skipwhite |
| syn match naturalObjName "\<[a-z][-_a-z0-9]\{,7}\>" |
| |
| " Labels |
| syn match naturalLabel "\<[+#a-z][-_#a-z0-9]*\." |
| syn match naturalRef "\<[+#a-z][-_#a-z0-9]*\>\.\<[+#a-z][*]\=[-_#a-z0-9]*\>" |
| |
| " mark keyword special handling |
| syn keyword naturalKeyword mark nextgroup=naturalMark skipwhite |
| syn match naturalMark "\<\*[a-z][-_#.a-z0-9]*\>" |
| |
| " System variables |
| syn match naturalSysVar "\<\*[a-z][-a-z0-9]*\>" |
| |
| "integer number, or floating point number without a dot. |
| syn match naturalNumber "\<-\=\d\+\>" |
| "floating point number, with dot |
| syn match naturalNumber "\<-\=\d\+\.\d\+\>" |
| "floating point number, starting with a dot |
| syn match naturalNumber "\.\d\+" |
| |
| " Formats in write statement |
| syn match naturalFormat "\<\d\+[TX]\>" |
| |
| " String and Character contstants |
| syn match naturalString "H'\x\+'" |
| syn region naturalString start=+"+ end=+"+ |
| syn region naturalString start=+'+ end=+'+ |
| |
| " Type definition |
| syn match naturalAttribute "\<[-a-z][a-z]=[-a-z0-9_\.,]\+\>" |
| syn match naturalType contained "\<[ABINP]\d\+\(,\d\+\)\=\>" |
| syn match naturalType contained "\<[CL]\>" |
| |
| " "TODO" / other comments |
| syn keyword naturalTodo contained todo test |
| syn match naturalCommentMark contained "[a-z][^ \t/:|]*\(\s[^ \t/:'"|]\+\)*:\s"he=e-1 |
| |
| " comments |
| syn region naturalComment start="/\*" end="$" contains=naturalTodo,naturalLineRef,naturalCommentMark |
| syn region naturalComment start="^\*[ *]" end="$" contains=naturalTodo,naturalLineRef,naturalCommentMark |
| syn region naturalComment start="^\d\{4} \*[\ \*]"lc=5 end="$" contains=naturalTodo,naturalLineRef,naturalCommentMark |
| syn match naturalComment "^\*$" |
| syn match naturalComment "^\d\{4} \*$"lc=5 |
| " /* is legal syntax in parentheses e.g. "#ident(label./*)" |
| syn region naturalPComment contained start="/\*\s*[^),]" end="$" contains=naturalTodo,naturalLineRef,naturalCommentMark |
| |
| " operators |
| syn keyword naturalOperator and or not eq ne gt lt ge le mask scan modified |
| |
| " constants |
| syn keyword naturalBoolean true false |
| syn match naturalLineNo "^\d\{4}" |
| |
| " identifiers |
| syn match naturalIdent "\<[+#a-z][-_#a-z0-9]*\>[^\.']"me=e-1 |
| syn match naturalIdent "\<[+#a-z][-_#a-z0-9]*$" |
| syn match naturalLegalIdent "[+#a-z][-_#a-z0-9]*/[-_#a-z0-9]*" |
| |
| " parentheses |
| syn region naturalPar matchgroup=naturalParGui start="(" end=")" contains=naturalLabel,naturalRef,naturalOperator,@naturalConstant,naturalType,naturalSysVar,naturalPar,naturalLineNo,naturalPComment |
| syn match naturalLineRef "(\d\{4})" |
| |
| " build syntax groups |
| syntax cluster naturalConstant contains=naturalString,naturalNumber,naturalAttribute,naturalBoolean |
| |
| " folding |
| if v:version >= 600 |
| set foldignore=* |
| endif |
| |
| |
| if v:version >= 508 || !exists("did_natural_syntax_inits") |
| if v:version < 508 |
| let did_natural_syntax_inits = 1 |
| command -nargs=+ HiLink hi link <args> |
| else |
| command -nargs=+ HiLink hi def link <args> |
| endif |
| " The default methods for highlighting. Can be overridden later |
| |
| " Constants |
| HiLink naturalFormat Constant |
| HiLink naturalAttribute Constant |
| HiLink naturalNumber Number |
| HiLink naturalString String |
| HiLink naturalBoolean Boolean |
| |
| " All kinds of keywords |
| HiLink naturalConditional Conditional |
| HiLink naturalRepeat Repeat |
| HiLink naturalLoop Repeat |
| HiLink naturalFlow Keyword |
| HiLink naturalError Keyword |
| HiLink naturalKeyword Keyword |
| HiLink naturalOperator Operator |
| HiLink naturalParGui Operator |
| |
| " Labels |
| HiLink naturalLabel Label |
| HiLink naturalRefLabel Label |
| |
| " Comments |
| HiLink naturalPComment Comment |
| HiLink naturalComment Comment |
| HiLink naturalTodo Todo |
| HiLink naturalCommentMark PreProc |
| |
| HiLink naturalInclude Include |
| HiLink naturalSysVar Identifier |
| HiLink naturalLineNo LineNr |
| HiLink naturalLineRef Error |
| HiLink naturalSpecial Special |
| HiLink naturalComKey Todo |
| |
| " illegal things |
| HiLink naturalRMKeyword Error |
| HiLink naturalLegalIdent Error |
| |
| HiLink naturalType Type |
| HiLink naturalFunction Function |
| HiLink naturalObjName PreProc |
| |
| delcommand HiLink |
| endif |
| |
| let b:current_syntax = "natural" |
| |
| " vim:set ts=8 sw=8 noet ft=vim: |
