" Vim syntax file
" Language: Paret
" Maintainer: Kalle Struik
" Latest Revision: 17 March 2022

if exists("b:current_syntax")
  finish
endif

" Binary builtins
syn keyword paretBinaryBuiltins '+' '*' '-' and or num= num< num> cons
" Unary builtins
syn keyword paretBinaryBuiltins not head tail is-nil is-list
" Variable size builtins
syn keyword paretVariableBuiltins list 
" Misc builtins
syn keyword paretMiscBuiltins if lambda let letrec


" Number constants
syn match paretNumber '\d\+'
" Boolean constants
syn keyword paretBoolean true false
" Nil constants
syn keyword paretNil nil


let b:current_syntax = "paret"

hi def link paretBinaryBuiltins     Statement
hi def link paretUnaryBuiltins      Statement
hi def link paretVariableBuiltins   Statement
hi def link paretMiscBuiltins       Statement

hi def link paretNumber             Constant
hi def link paretBoolean            Constant
hi def link paretNil                Constant