X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;f=generator-macros%2Fpa_wrap.ml;h=5ce6d08a344d2cbeff309b95ed3e336413b1c9b5;hb=53126578ee08c0bd3b3987959fb7d768deb5aedc;hp=54e36764715d83c3abe842dfc5c6e52531c3ba89;hpb=bb1329db94910f6739c839bee52177f1b3c4e695;p=wrappi.git diff --git a/generator-macros/pa_wrap.ml b/generator-macros/pa_wrap.ml index 54e3676..5ce6d08 100644 --- a/generator-macros/pa_wrap.ml +++ b/generator-macros/pa_wrap.ml @@ -39,28 +39,63 @@ let expr_of_option _loc = function | None -> <:expr< None >> | Some x -> <:expr< Some $x$ >> -let add_entry_point _loc name parameters return_type code = +(* Convert a _loc to an AST. *) +let expr_of_loc _loc loc = + let file_name, + start_line, start_bol, start_off, + stop_line, stop_bol, stop_off, + ghost = Loc.to_tuple loc in + <:expr< Camlp4.PreCast.Loc.of_tuple + ($str:file_name$, + $`int:start_line$, $`int:start_bol$, $`int:start_off$, + $`int:stop_line$, $`int:stop_bol$, $`int:stop_off$, + $`bool:ghost$) >> + +let add_entry_point _loc local name parameters rtype code includes = + let loc = expr_of_loc _loc _loc in + + let local = + match local with None -> <:expr< false >> | _ -> <:expr< true >> in + let parameters = List.map ( - fun (name, t) -> <:expr< ($str:name$, $t$) >> + fun (name, t) -> <:expr< ($str:name$, $t$, None) >> ) parameters in let parameters = expr_of_list _loc parameters in let code = expr_of_option _loc code in + let includes = match includes with None -> <:expr< [] >> | Some xs -> xs in + <:str_item< - let ep = { Wrappi_types.ep_name = $str:name$; - ep_params = $parameters$; - ep_return = $return_type$; - ep_code = $code$ } in - Wrappi_globals.add_entry_point ep + let ep = { Wrappi_types.ep_loc = $loc$; + ep_local = $local$; + ep_name = $str:name$; + ep_ftype = ($rtype$, $parameters$, []); + ep_code = $code$; + ep_includes = $includes$ } in + Wrappi_accumulator.add_entry_point ep + >> + +let add_typedef _loc name t = + let loc = expr_of_loc _loc _loc in + + <:str_item< + let td = { Wrappi_types.td_loc = $loc$; + td_name = $str:name$; + td_type = $t$ } in + Wrappi_accumulator.add_typedef td >> let () = (* Quotation expander for C code. *) let c_quotation_expander _loc _ code = + let loc = expr_of_loc _loc _loc in + (* XXX Expand %- or $- expressions in code. *) (* XXX Escape >> in code. *) - ExStr (_loc, code) + + <:expr< { Wrappi_types.cc_loc = $loc$; + cc_code = $str:code$ } >> in Quotation.add "c" Quotation.DynAst.expr_tag c_quotation_expander; @@ -74,27 +109,47 @@ EXTEND Gram GLOBAL: str_item; (* A parameter or return type. *) - any_type: [ - [ "int32" -> <:expr< Wrappi_types.TInt32 >> ] + ptype: [ + [ "bool" -> <:expr< Wrappi_types.TBool >> ] + | [ "buffer" -> <:expr< Wrappi_types.TBuffer >> ] + (* enum XXX *) + | [ "file" -> <:expr< Wrappi_types.TFile >> ] + | [ "hash"; "("; t = ptype; ")" -> <:expr< Wrappi_types.THash $t$ >> ] + | [ "int" -> <:expr< Wrappi_types.TInt >> ] + | [ "int32" -> <:expr< Wrappi_types.TInt32 >> ] | [ "int64" -> <:expr< Wrappi_types.TInt64 >> ] - | [ t = LIDENT -> <:expr< Wrappi_types.Type $str:t$ >> ] + | [ "list"; "("; t = ptype; ")" -> <:expr< Wrappi_types.TList $t$ >> ] + | [ "nullable"; "("; t = ptype; ")" -> <:expr< Wrappi_types.TNullable $t$ >> ] + | [ "string" -> <:expr< Wrappi_types.TString >> ] + | [ "struct"; name = LIDENT -> <:expr< Wrappi_types.TStruct $str:name$ >> ] + | [ "uint32" -> <:expr< Wrappi_types.TUInt32 >> ] + | [ "uint64" -> <:expr< Wrappi_types.TUInt64 >> ] + (* union XXX *) + | [ name = LIDENT -> <:expr< Wrappi_types.TTypedef $str:name$ >> ] ]; (* A return type. *) - return_type: [ - [ "err" -> <:expr< Wrappi_types.RErr >> ] - | [ t = any_type -> <:expr< Wrappi_types.Return $t$ >> ] + rtype: [ + [ "void" -> <:expr< Wrappi_types.RVoid >> ] + | [ "static_string" -> <:expr< Wrappi_types.RStaticString >> ] + | [ t = ptype -> <:expr< Wrappi_types.Return $t$ >> ] ]; - (* A single function parameter. *) - parameter: [[ t = any_type; name = LIDENT -> (name, t) ]]; + (* A single function parameter. XXX Preconditions. *) + parameter: [[ t = ptype; name = LIDENT -> (name, t) ]]; str_item: LEVEL "top" [ [ "entry_point"; - return_type = return_type; name = LIDENT; + local = OPT "local"; + rtype = rtype; name = LIDENT; "("; parameters = LIST0 parameter SEP ","; ")"; - code = OPT [ code = expr -> code ] -> - add_entry_point _loc name parameters return_type code + code = OPT [ code = expr -> code ]; + includes = OPT [ "includes"; includes = expr -> includes ] + -> + add_entry_point _loc local name parameters rtype code includes + ] + | [ "typedef"; t = ptype; name = LIDENT -> + add_typedef _loc name t ] ];