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+" Vim syntax file
+" Language: Dafny
+" Author: Kuat Yessenov
+" Date: 6/24/2010
+
+syntax clear
+syntax case match
+syntax keyword dafnyFunction function predicate copredicate
+syntax keyword method constructor comethod
+syntax keyword dafnyTypeDef class datatype codatatype type iterator
+syntax keyword abstract module import opened as default
+syntax keyword dafnyConditional if then else match case 
+syntax keyword dafnyRepeat while parallel
+syntax keyword dafnyStatement assume assert return yield new print break label where calc
+syntax keyword dafnyKeyword var ghost returns yields null static this refines
+syntax keyword dafnyType bool nat int seq set multiset object array array2 array3 map
+syntax keyword dafnyLogic requires ensures modifies reads decreases invariant 
+syntax keyword dafnyOperator forall exists old fresh choose
+syntax keyword dafnyBoolean true false
+  
+syntax region dafnyString start=/"/ skip=/\\"/ end=/"/
+
+syntax match dafnyComment /\/\/.*/
+syntax region dafnyComment start="/\*" end="\*/"
+
+syntax match dafnyNumber /\d\+\>/
+syntax match dafnyIdentifier /\<\w\+\>/
+
+syntax match dafnyOperator "==>"
+syntax match dafnyOperator "<==>"
+syntax match dafnyOperator "::"
+
+highlight link dafnyFunction Function
+highlight link dafnyTypeDef Typedef
+highlight link dafnyConditional Conditional
+highlight link dafnyRepeat Repeat
+highlight link dafnyKeyword Keyword
+highlight link dafnyType Type
+highlight link dafnyLogic Debug
+highlight link dafnyComment Comment
+highlight link dafnyString String
+highlight link dafnyNumber Number
+highlight link dafnyOperator Operator
+highlight link dafnyStatement Statement
+highlight link dafnyBoolean Boolean