Edit File: swigp4.ml
open Camlp4 module Id : Sig.Id = struct let name = "swigp4" let version = "0.1" end module Make (Syntax : Sig.Camlp4Syntax) = struct open Sig include Syntax let _loc = Loc.ghost let lap x y = x :: y let c_ify e loc = match e with <:expr< $int:_$ >> -> <:expr< (C_int $e$) >> | <:expr< $str:_$ >> -> <:expr< (C_string $e$) >> | <:expr< $chr:_$ >> -> <:expr< (C_char $e$) >> | <:expr< $flo:_$ >> -> <:expr< (C_double $e$) >> | <:expr< True >> -> <:expr< (C_bool $e$) >> | <:expr< False >> -> <:expr< (C_bool $e$) >> | _ -> <:expr< $e$ >> let mk_list args loc f = let rec mk_list_inner args loc f = match args with [] -> <:expr< [] >> | x :: xs -> (let loc = Ast.loc_of_expr x in <:expr< [ ($f x _loc$) ] @ ($mk_list_inner xs loc f$) >>) in match args with [] -> <:expr< (Obj.magic C_void) >> | [ a ] -> <:expr< (Obj.magic $f a _loc$) >> | _ -> <:expr< (Obj.magic (C_list ($mk_list_inner args loc f$))) >> ;; EXTEND Gram GLOBAL: expr; expr: LEVEL "top" [ [ e1 = expr ; "'" ; "[" ; e2 = expr ; "]" -> <:expr< (invoke $e1$) "[]" (C_list [ $c_ify e2 _loc$ ]) >> | e1 = expr ; "->" ; l = LIDENT ; "(" ; args = LIST0 (expr LEVEL "simple") SEP "," ; ")" -> <:expr< (invoke $e1$) $str:l$ ($mk_list args _loc c_ify$) >> | e1 = expr ; "->" ; u = UIDENT ; "(" ; args = LIST0 (expr LEVEL "simple") SEP "," ; ")" -> <:expr< (invoke $e1$) $str:u$ ($mk_list args _loc c_ify$) >> | e1 = expr ; "->" ; s = expr LEVEL "simple" ; "(" ; args = LIST0 (expr LEVEL "simple") SEP "," ; ")" -> <:expr< (invoke $e1$) $s$ ($mk_list args _loc c_ify$) >> | e1 = expr ; "'" ; "." ; "(" ; args = LIST0 (expr LEVEL "simple") SEP "," ; ")" -> <:expr< (invoke $e1$) "()" ($mk_list args _loc c_ify$) >> | e1 = expr ; "'" ; "->" ; l = LIDENT ; "(" ; args = LIST0 (expr LEVEL "simple") SEP "," ; ")" -> <:expr< (invoke ((invoke $e1$) "->" C_void)) $str:l$ ($mk_list args _loc c_ify$) >> | e1 = expr ; "'" ; "->" ; u = UIDENT ; "(" ; args = LIST0 (expr LEVEL "simple") SEP "," ; ")" -> <:expr< (invoke ((invoke $e1$) "->" C_void)) $str:u$ ($mk_list args _loc c_ify$) >> | e1 = expr ; "'" ; "->" ; s = expr LEVEL "simple" ; "(" ; args = LIST0 (expr LEVEL "simple") SEP "," ; ")" -> <:expr< (invoke ((invoke $e1$) "->" C_void)) $s$ ($mk_list args _loc c_ify$) >> | e1 = expr ; "'" ; "++" -> <:expr< (invoke $e1$) "++" C_void >> | e1 = expr ; "'" ; "--" -> <:expr< (invoke $e1$) "--" C_void >> | e1 = expr ; "'" ; "-" ; e2 = expr -> <:expr< (invoke $e1$) "-" (C_list [ $c_ify e2 _loc$ ]) >> | e1 = expr ; "'" ; "+" ; e2 = expr -> <:expr< (invoke $e1$) "+" (C_list [ $c_ify e2 _loc$ ]) >> | e1 = expr ; "'" ; "*" ; e2 = expr -> <:expr< (invoke $e1$) "*" (C_list [ $c_ify e2 _loc$ ]) >> | "'" ; "&" ; e1 = expr -> <:expr< (invoke $e1$) "&" C_void >> | "'" ; "!" ; e1 = expr -> <:expr< (invoke $e1$) "!" C_void >> | "'" ; "~" ; e1 = expr -> <:expr< (invoke $e1$) "~" C_void >> | e1 = expr ; "'" ; "/" ; e2 = expr -> <:expr< (invoke $e1$) "/" (C_list [ $c_ify e2 _loc$ ]) >> | e1 = expr ; "'" ; "%" ; e2 = expr -> <:expr< (invoke $e1$) "%" (C_list [ $c_ify e2 _loc$ ]) >> | e1 = expr ; "'" ; "lsl" ; e2 = expr -> <:expr< (invoke $e1$) ("<" ^ "<") (C_list [ $c_ify e2 _loc$ ]) >> | e1 = expr ; "'" ; "lsr" ; e2 = expr -> <:expr< (invoke $e1$) (">" ^ ">") (C_list [ $c_ify e2 _loc$ ]) >> | e1 = expr ; "'" ; "<" ; e2 = expr -> <:expr< (invoke $e1$) "<" (C_list [ $c_ify e2 _loc$ ]) >> | e1 = expr ; "'" ; "<=" ; e2 = expr -> <:expr< (invoke $e1$) "<=" (C_list [ $c_ify e2 _loc$ ]) >> | e1 = expr ; "'" ; ">" ; e2 = expr -> <:expr< (invoke $e1$) ">" (C_list [ $c_ify e2 _loc$ ]) >> | e1 = expr ; "'" ; ">=" ; e2 = expr -> <:expr< (invoke $e1$) ">=" (C_list [ $c_ify e2 _loc$ ]) >> | e1 = expr ; "'" ; "==" ; e2 = expr -> <:expr< (invoke $e1$) "==" (C_list [ $c_ify e2 _loc$ ]) >> | e1 = expr ; "'" ; "!=" ; e2 = expr -> <:expr< (invoke $e1$) "!=" (C_list [ $c_ify e2 _loc$ ]) >> | e1 = expr ; "'" ; "&" ; e2 = expr -> <:expr< (invoke $e1$) "&" (C_list [ $c_ify e2 _loc$ ]) >> | e1 = expr ; "'" ; "^" ; e2 = expr -> <:expr< (invoke $e1$) "^" (C_list [ $c_ify e2 _loc$ ]) >> | e1 = expr ; "'" ; "|" ; e2 = expr -> <:expr< (invoke $e1$) "|" (C_list [ $c_ify e2 _loc$ ]) >> | e1 = expr ; "'" ; "&&" ; e2 = expr -> <:expr< (invoke $e1$) "&&" (C_list [ $c_ify e2 _loc$ ]) >> | e1 = expr ; "'" ; "||" ; e2 = expr -> <:expr< (invoke $e1$) "||" (C_list [ $c_ify e2 _loc$ ]) >> | e1 = expr ; "'" ; "=" ; e2 = expr -> <:expr< (invoke $e1$) "=" (C_list [ $c_ify e2 _loc$ ]) >> | e1 = expr ; "'" ; "+=" ; e2 = expr -> <:expr< (invoke $e1$) "+=" (C_list [ $c_ify e2 _loc$ ]) >> | e1 = expr ; "'" ; "-=" ; e2 = expr -> <:expr< (invoke $e1$) "-=" (C_list [ $c_ify e2 _loc$ ]) >> | e1 = expr ; "'" ; "*=" ; e2 = expr -> <:expr< (invoke $e1$) "*=" (C_list [ $c_ify e2 _loc$ ]) >> | e1 = expr ; "'" ; "/=" ; e2 = expr -> <:expr< (invoke $e1$) "/=" (C_list [ $c_ify e2 _loc$ ]) >> | e1 = expr ; "'" ; "%=" ; e2 = expr -> <:expr< (invoke $e1$) "%=" (C_list [ $c_ify e2 _loc$ ]) >> | e1 = expr ; "'" ; "lsl" ; "=" ; e2 = expr -> <:expr< (invoke $e1$) ("<" ^ "<=") (C_list [ $c_ify e2 _loc$ ]) >> | e1 = expr ; "'" ; "lsr" ; "=" ; e2 = expr -> <:expr< (invoke $e1$) (">" ^ ">=") (C_list [ $c_ify e2 _loc$ ]) >> | e1 = expr ; "'" ; "&=" ; e2 = expr -> <:expr< (invoke $e1$) "&=" (C_list [ $c_ify e2 _loc$ ]) >> | e1 = expr ; "'" ; "^=" ; e2 = expr -> <:expr< (invoke $e1$) "^=" (C_list [ $c_ify e2 _loc$ ]) >> | e1 = expr ; "'" ; "|=" ; e2 = expr -> <:expr< (invoke $e1$) "|=" (C_list [ $c_ify e2 _loc$ ]) >> | "'" ; e = expr -> c_ify e _loc | c = expr ; "as" ; id = LIDENT -> <:expr< $lid:"get_" ^ id$ $c$ >> | c = expr ; "to" ; id = LIDENT -> <:expr< $uid:"C_" ^ id$ $c$ >> | "`" ; "`" ; l = LIDENT -> <:expr< C_enum `$lid:l$ >> | "`" ; "`" ; u = UIDENT -> <:expr< C_enum `$uid:u$ >> | f = expr ; "'" ; "(" ; args = LIST0 (expr LEVEL "simple") SEP "," ; ")" -> <:expr< $f$ ($mk_list args _loc c_ify$) >> ] ] ; END ;; end module M = Register.OCamlSyntaxExtension(Id)(Make)