Initial draft of Stonescript syntax support. Keyword list incomplete.

filetype.vim

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+augroup filetypedetect
+  au BufNewFile,BufRead *.stonescript setf stonescript
+augroup END

syntax/stonescript.vim

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+" Vim syntax file
+" Language:     Stonescript (Stone Story RPG's builtin scripting language)
+" Maintainer:   Daniel Perelman (https://github.com/dperelman)
+
+" Quit when a (custom) syntax file was already loaded
+if exists('b:current_syntax')
+  finish
+endif
+
+syn match     ssUnknown       '\S*'
+syn match     ssComment       '//.*'
+
+syn keyword   ssStatement     equip equipL equipR loadout
+syn match     ssStatement     'activate potion'
+syn match     ssIf            '?'
+syn match     ssBoolOperator  '[!&|]'
+syn match     ssCompOperator  '[><=]'
+
+syn match     ssNumber        '\<\d\+\>'
+syn match     ssEnchantLvl    '[+]\(\d\|1[0-6]\)\>'
+syn match     ssStarLvl       '[*]\(\d\|10\)\>'
+
+syn keyword   ssLocation      nagaraj rocky cave caves deadwood halls
+syn keyword   ssElement       fire ice aether vigor poison
+syn keyword   ssItemKind      sword shield crossbow rune wand hammer staff
+\                             ouroboros shovel hatchet grap
+syn keyword   ssItemModifier  big repeating dashing
+syn match     ssItemVariant   '\<[DdAa]\?[FfIiPpHLU]\?\>'
+syn keyword   ssFoeName       morel serpent bolesh
+syn keyword   ssFoeProperty   boss ranged magic_resist 
+\                             immune_to_range immune_to_physical
+
+syn match     ssFoeVar        'foe\(.\(hp\|count\|armor\|distance\)\)\?'
+syn match     ssSelfVar       '\(hp\|maxhp\|armor\|loc\|time\)'
+
+hi def link   ssComment       Comment
+
+hi def link   ssStatement     Statement
+hi def link   ssIf            Conditional
+
+hi def link   ssLocation      Constant
+hi def link   ssElement       Type
+hi def link   ssItemKind      Type
+hi def link   ssItemModifier  Type
+hi def link   ssFoeName       Constant
+hi def link   ssFoeProperty   Constant
+
+hi def link   ssFoeVar        Identifier
+hi def link   ssSelfVar       Identifier
+
+hi def link   ssBoolOperator  Operator
+hi def link   ssCompOperator  Operator
+
+hi def link   ssNumber        Number
+hi def link   ssEnchantLvl    Type
+hi def link   ssStarLvl       Type
+hi def link   ssItemVariant   Type
+
+hi def link   ssUnknown       Error
+
+let b:current_syntax = 'stonescript'