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- " Vim syntax file
- " Language: grads (GrADS scripts)
- " Maintainer: Stefan Fronzek (sfronzek at gmx dot net)
- " Last change: 13 Feb 2004
-
- " Grid Analysis and Display System (GrADS); http://grads.iges.org/grads
- " This syntax file defines highlighting for only very few features of
- " the GrADS scripting language.
-
- " 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
-
- " GrADS is entirely case-insensitive.
- syn case ignore
-
- " The keywords
-
- syn keyword gradsStatement if else endif break exit return
- syn keyword gradsStatement while endwhile say prompt pull function
- syn keyword gradsStatement subwrd sublin substr read write close
- " String
-
- syn region gradsString start=+'+ end=+'+
-
- " Integer number
- syn match gradsNumber "[+-]\=\<[0-9]\+\>"
-
- " Operator
-
- "syn keyword gradsOperator | ! % & != >=
- "syn match gradsOperator "[^\.]not[^a-zA-Z]"
-
- " Variables
-
- syn keyword gradsFixVariables lat lon lev result rec rc
- syn match gradsglobalVariables "_[a-zA-Z][a-zA-Z0-9]*"
- syn match gradsVariables "[a-zA-Z][a-zA-Z0-9]*"
- syn match gradsConst "#[A-Z][A-Z_]+"
-
- " Comments
-
- syn match gradsComment "\*.*"
-
- " Typical Typos
-
- " for C programmers:
- " syn match gradsTypos "=="
- " syn match gradsTypos "!="
-
- " 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 hgs highlighting+yet
- if version >= 508 || !exists("did_gs_syn_inits")
- if version < 508
- let did_gs_syn_inits = 1
- command -nargs=+ HiLink hi link <args>
- else
- command -nargs=+ HiLink hi def link <args>
- endif
-
- HiLink gradsStatement Statement
-
- HiLink gradsString String
- HiLink gradsNumber Number
-
- HiLink gradsFixVariables Special
- HiLink gradsVariables Identifier
- HiLink gradsglobalVariables Special
- HiLink gradsConst Special
-
- HiLink gradsClassMethods Function
-
- HiLink gradsOperator Operator
- HiLink gradsComment Comment
-
- HiLink gradsTypos Error
-
- delcommand HiLink
- endif
-
- let b:current_syntax = "grads"
-