Add purescript support, closes #110

syntax/purescript.vim

@@ -0,0 +1,56 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'purescript') == -1
+  
+" syntax highlighting for purescript
+"
+" Heavily modified version of the purescript syntax
+" highlighter to support purescript.
+"
+" author: raichoo (raichoo@googlemail.com)
+
+if exists("b:current_syntax")
+  finish
+endif
+
+syn keyword purescriptModule module
+syn keyword purescriptImport foreign import hiding
+syn region purescriptQualifiedImport start="\<qualified\>" contains=purescriptType,purescriptDot end="\<as\>"
+syn keyword purescriptStructure data newtype type class instance derive where
+syn keyword purescriptStatement forall do case of let in
+syn keyword purescriptConditional if then else
+syn match purescriptNumber "\<[0-9]\+\>\|\<0[xX][0-9a-fA-F]\+\>\|\<0[oO][0-7]\+\>"
+syn match purescriptFloat "\<[0-9]\+\.[0-9]\+\([eE][-+]\=[0-9]\+\)\=\>"
+syn match purescriptDelimiter  "[(),;[\]{}]"
+syn keyword purescriptInfix infix infixl infixr
+syn match purescriptOperators "\([-!#$%&\*\+/<=>\?@\\^|~:]\|\<_\>\)"
+syn match purescriptDot "\."
+syn match purescriptType "\<\([A-Z][a-zA-Z0-9_]*\|_|_\)\>"
+syn match purescriptLineComment "---*\([^-!#$%&\*\+./<=>\?@\\^|~].*\)\?$"
+syn match purescriptChar "'[^'\\]'\|'\\.'\|'\\u[0-9a-fA-F]\{4}'"
+syn match purescriptBacktick "`[A-Za-z][A-Za-z0-9_]*`"
+syn region purescriptString start=+"+ skip=+\\\\\|\\"+ end=+"+
+syn region purescriptMultilineString start=+"""+ end=+"""+
+syn region purescriptBlockComment start="{-" end="-}" contains=purescriptBlockComment
+
+highlight def link purescriptImport Structure
+highlight def link purescriptQualifiedImport Structure
+highlight def link purescriptModule Structure
+highlight def link purescriptStructure Structure
+highlight def link purescriptStatement Statement
+highlight def link purescriptConditional Conditional
+highlight def link purescriptNumber Number
+highlight def link purescriptFloat Float
+highlight def link purescriptDelimiter Delimiter
+highlight def link purescriptInfix PreProc
+highlight def link purescriptOperators Operator
+highlight def link purescriptDot Operator
+highlight def link purescriptType Include
+highlight def link purescriptLineComment Comment
+highlight def link purescriptBlockComment Comment
+highlight def link purescriptString String
+highlight def link purescriptMultilineString String
+highlight def link purescriptChar String
+highlight def link purescriptBacktick Operator
+
+let b:current_syntax = "purescript"
+
+endif