" Vim syntax file
" Language: phi
" Maintainer: SFJ
" Latest Revision: 1 January 1984

if exists("b:current_syntax")
  finish
endif


syn keyword Keyword fn call return loop for break if let do
syn keyword Operator and or not
syn keyword Special null
syn keyword Boolean true false

syn match Operator '+'
syn match Operator '-'
syn match Operator '\*'
syn match Operator '/'
syn match Operator '='
syn match Operator '+='
syn match Operator '-='
syn match Operator '=='
syn match Operator '!='
syn match Operator '<'
syn match Operator '>'
syn match Operator '<='
syn match Operator '>='


syn match Number '0'
syn match Number '[1-9][0-9]*'

syn region String   start=+"+  skip=+\\\\\|\\"+  end=+"+

syn keyword Todo contained TODO FIXME XXX NOTE
syn match Comment "//.*$" contains=Todo

syn match Identifier '[a-zA-Z_]\w*'

let b:current_syntax = "phi"