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  • Committer: Package Import Robot
  • Author(s): Sylvestre Ledru
  • Date: 2015-07-15 17:51:08 UTC
  • Revision ID: package-import@ubuntu.com-20150715175108-l8mynwovkx4zx697
Tags: upstream-3.7~+rc2
Import upstream version 3.7~+rc2

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examples/OCaml-Kaleidoscope/Chapter7/token.ml
 
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(*===----------------------------------------------------------------------===
 
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 * Lexer Tokens
 
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 *===----------------------------------------------------------------------===*)
 
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(* The lexer returns these 'Kwd' if it is an unknown character, otherwise one of
 
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 * these others for known things. *)
 
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type token =
 
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  (* commands *)
 
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  | Def | Extern
 
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  (* primary *)
 
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  | Ident of string | Number of float
 
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  (* unknown *)
 
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  | Kwd of char
 
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  (* control *)
 
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  | If | Then | Else
 
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  | For | In
 
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  (* operators *)
 
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  | Binary | Unary
 
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  (* var definition *)
 
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  | Var