/
prebuild.ml
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/
prebuild.ml
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open Json
exception Prebuild_error of string
type parsed_warning = {
w_name : string;
w_doc : string;
w_parent : string option;
w_generic : bool;
}
let as_string = function
| JString s -> Some s
| _ -> None
let as_int = function
| JInt i -> Some i
| _ -> None
let as_params = function
| JArray s -> Some (List.map (function
| JString s -> s
| _ -> raise (Prebuild_error "parameter description should be a string")
) s)
| _ -> None
let as_platforms = function
| JArray s -> Some (List.map (function
| JString "cross" -> "Cross"
| JString "js" -> "Js"
| JString "lua" -> "Lua"
| JString "neko" -> "Neko"
| JString "flash" -> "Flash"
| JString "php" -> "Php"
| JString "cpp" -> "Cpp"
| JString "cs" -> "Cs"
| JString "java" -> "Java"
| JString "python" -> "Python"
| JString "hl" -> "Hl"
| JString "eval" -> "Eval"
| _ -> raise (Prebuild_error "invalid platform")
) s)
| _ -> None
let as_targets = function
| JArray s -> Some (List.map (function
| JString "TClass" -> "TClass"
| JString "TClassField" -> "TClassField"
| JString "TAbstract" -> "TAbstract"
| JString "TAbstractField" -> "TAbstractField"
| JString "TEnum" -> "TEnum"
| JString "TTypedef" -> "TTypedef"
| JString "TAnyField" -> "TAnyField"
| JString "TExpr" -> "TExpr"
| JString "TTypeParameter" -> "TTypeParameter"
| _ -> raise (Prebuild_error "invalid metadata target")
) s)
| _ -> None
let as_bool = function
| JBool b -> Some b
| _ -> None
let as_links = function
| JArray s -> Some (List.map (function
| JString s -> s
| _ -> raise (Prebuild_error "link should be a string")
) s)
| _ -> None
let get_optional_field name map default fields =
try
let field = List.find (fun (n, _) -> n = name) fields in
let value = map (snd field) in
match value with
| None -> raise (Prebuild_error ("field `" ^ name ^ "` has invalid data"))
| Some v -> v
with Not_found -> default
let get_optional_field2 name map fields =
try
let field = List.find (fun (n, _) -> n = name) fields in
let value = map (snd field) in
match value with
| None -> raise (Prebuild_error ("field `" ^ name ^ "` has invalid data"))
| Some v -> Some v
with Not_found ->
None
let get_field name map fields =
let field = try List.find (fun (n, _) -> n = name) fields with Not_found -> raise (Prebuild_error ("no `" ^ name ^ "` field")) in
let value = map (snd field) in
match value with
| None -> raise (Prebuild_error ("field `" ^ name ^ "` has invalid data"))
| Some v -> v
let parse_define json =
let fields = match json with
| JObject fl -> fl
| _ -> raise (Prebuild_error "not an object")
in
(* name *) get_field "name" as_string fields,
(* define *) get_field "define" as_string fields,
(* doc *) get_field "doc" as_string fields,
(* params *) get_optional_field "params" as_params [] fields,
(* platforms *) get_optional_field "platforms" as_platforms [] fields,
(* links *) get_optional_field "links" as_links [] fields,
(* deprecated *) get_optional_field2 "deprecated" as_string fields
let parse_meta json =
let fields = match json with
| JObject fl -> fl
| _ -> raise (Prebuild_error "not an object")
in
(* name *) get_field "name" as_string fields,
(* metadata *) get_field "metadata" as_string fields,
(* doc *) get_field "doc" as_string fields,
(* params *) get_optional_field "params" as_params [] fields,
(* platforms *) get_optional_field "platforms" as_platforms [] fields,
(* targets *) get_optional_field "targets" as_targets [] fields,
(* internal *) get_optional_field "internal" as_bool false fields,
(* links *) get_optional_field "links" as_links [] fields
let parse_warning json =
let fields = match json with
| JObject fl -> fl
| _ -> raise (Prebuild_error "not an object")
in
{
w_name = get_field "name" as_string fields;
w_doc = get_field "doc" as_string fields;
w_parent = get_optional_field2 "parent" as_string fields;
w_generic = get_optional_field "generic" as_bool false fields;
}
let parse_file_array path map =
let file = open_in path in
let data = Std.input_all file in
let open Json.Reader in
let lexbuf = Sedlexing.Utf8.from_string data in
let json = read_json lexbuf in
match json with
| JArray s -> List.map map s
| _ -> raise (Prebuild_error "not an array")
let s_escape ?(hex=true) s =
let b = Buffer.create (String.length s) in
for i = 0 to (String.length s) - 1 do
match s.[i] with
| '\n' -> Buffer.add_string b "\\n"
| '\t' -> Buffer.add_string b "\\t"
| '\r' -> Buffer.add_string b "\\r"
| '"' -> Buffer.add_string b "\\\""
| '\\' -> Buffer.add_string b "\\\\"
| c when int_of_char c < 32 && hex -> Buffer.add_string b (Printf.sprintf "\\x%.2X" (int_of_char c))
| c -> Buffer.add_char b c
done;
Buffer.contents b
let gen_platforms = function
| [] -> []
| platforms -> ["Platforms [" ^ (String.concat ";" platforms) ^ "]"]
let gen_params = List.map (function param -> "HasParam \"" ^ param ^ "\"" )
let gen_links = List.map (function link -> "Link \"" ^ link ^ "\"" )
let gen_define_type defines =
String.concat "\n" (List.map (function (name, _, _, _, _, _, _) -> "\t| " ^ name) defines)
let gen_option f = function
| None -> "None"
| Some x -> Printf.sprintf "Some(%s)" (f x)
let gen_define_info defines =
let deprecations = DynArray.create() in
let define_str = List.map (function
(name, define, doc, params, platforms, links, deprecated) ->
let platforms_str = gen_platforms platforms in
let params_str = gen_params params in
let links_str = gen_links links in
let define = String.concat "_" (ExtString.String.nsplit define "-") in
let deprecated = match deprecated with
| None ->
[]
| Some x ->
let quoted = Printf.sprintf "%S" x in
DynArray.add deprecations (Printf.sprintf "\t(%S,%S)" define x);
[Printf.sprintf "Deprecated(%s)" quoted]
in
"\t| " ^ name ^ " -> \"" ^ define ^ "\",(" ^ (Printf.sprintf "%S" doc) ^ ",[" ^ (String.concat "; " (platforms_str @ params_str @ links_str @ deprecated)) ^ "])"
) defines in
String.concat "\n" define_str,String.concat ";\n" (DynArray.to_list deprecations)
let gen_meta_type metas =
String.concat "\n" (List.map (function
| ("InlineConstructorArgument", _, _, _, _, _, _, _) -> "\t| InlineConstructorArgument of int * int"
| (name, _, _, _, _, _, _, _) -> "\t| " ^ name
) metas)
let gen_meta_info metas =
let meta_str = List.map (function
(name, metadata, doc, params, platforms, targets, internal, links) ->
let platforms_str = gen_platforms platforms in
let params_str = gen_params params in
let targets_str = (match targets with
| [] -> []
| targets -> ["UsedOn [" ^ (String.concat ";" targets) ^ "]"]
) in
let internal_str = if internal then ["UsedInternally"] else [] in
let links_str = gen_links links in
let name = (match name with
(* this is a hacky, I know *)
| "InlineConstructorArgument" -> "InlineConstructorArgument _"
| _ -> name
) in
"\t| " ^ name ^ " -> \"" ^ metadata ^ "\",(" ^ (Printf.sprintf "%S" doc) ^ ",[" ^ (String.concat "; " (platforms_str @ params_str @ targets_str @ internal_str @ links_str)) ^ "])"
) metas in
String.concat "\n" meta_str
let gen_warning_type warnings =
let warning_str = List.map (function
w ->
Printf.sprintf "\t| %s" w.w_name
) warnings in
String.concat "\n" warning_str
let gen_warning_parse warnings =
let warning_str = List.map (function
w ->
Printf.sprintf "\t| \"%s\" -> %s" w.w_name w.w_name
) warnings in
let warning_str = warning_str @ ["\t| _ -> raise Exit"] in
String.concat "\n" warning_str
let gen_warning_obj warnings =
let warning_str = List.map (fun w ->
let w_parent = match w.w_parent with
| None -> if w.w_name = "WAll" then "None" else "Some WAll"
| Some w -> Printf.sprintf "Some %s" w
in
Printf.sprintf "\t| %s -> {w_name = \"%s\"; w_doc = \"%s\"; w_generic = %b; w_parent = %s}" w.w_name w.w_name (s_escape w.w_doc) w.w_generic w_parent
) warnings in
String.concat "\n" warning_str
let autogen_header = "(* This file is auto-generated using prebuild from files in src-json *)
(* Do not edit manually! *)
"
let define_header = autogen_header ^ "
open Globals
type define_parameter =
| HasParam of string
| Platforms of platform list
| Link of string
| Deprecated of string
"
let meta_header = autogen_header ^ "
open Globals
type meta_usage =
| TClass
| TClassField
| TAbstract
| TAbstractField
| TEnum
| TTypedef
| TAnyField
| TExpr
| TTypeParameter
| TVariable
let parse_meta_usage = function
| \"TClass\" -> TClass
| \"TClassField\" -> TClassField
| \"TAbstract\" -> TAbstract
| \"TAbstractField\" -> TAbstractField
| \"TEnum\" -> TEnum
| \"TTypedef\" -> TTypedef
| \"TAnyField\" -> TAnyField
| \"TExpr\" -> TExpr
| \"TTypeParameter\" -> TTypeParameter
| \"TVariable\" -> TVariable
| t -> raise (failwith (\"invalid metadata target \" ^ t))
let print_meta_usage = function
| TClass -> \"TClass\"
| TClassField -> \"TClassField\"
| TAbstract -> \"TAbstract\"
| TAbstractField -> \"TAbstractField\"
| TEnum -> \"TEnum\"
| TTypedef -> \"TTypedef\"
| TAnyField -> \"TAnyField\"
| TExpr -> \"TExpr\"
| TTypeParameter -> \"TTypeParameter\"
| TVariable -> \"TVariable\"
type meta_parameter =
| HasParam of string
| Platforms of platform list
| UsedOn of meta_usage list
| UsedInternally
| Link of string
"
;;
match Array.to_list (Sys.argv) with
| [_; "define"; define_path]->
let defines = parse_file_array define_path parse_define in
Printf.printf "%s" define_header;
Printf.printf "type strict_defined =\n";
Printf.printf "%s" (gen_define_type defines);
Printf.printf "\n\t| Last\n\t| Custom of string\n\n";
let infos,deprecations = gen_define_info defines in
Printf.printf "let infos = function\n";
Printf.printf "%s" infos;
Printf.printf "\n\t| Last -> die \"\" __LOC__\n\t| Custom s -> s,(\"\",[])\n";
Printf.printf "\nlet deprecated_defines = [\n%s\n]\n" deprecations;
| [_; "meta"; meta_path]->
let metas = parse_file_array meta_path parse_meta in
Printf.printf "%s" meta_header;
Printf.printf "type strict_meta =\n";
Printf.printf "%s" (gen_meta_type metas);
Printf.printf "\n\t| Last\n\t| Dollar of string\n\t| Custom of string\n\n";
Printf.printf "let get_info = function\n";
Printf.printf "%s" (gen_meta_info metas);
Printf.printf "\n\t| Last -> die \"\" __LOC__\n\t| Dollar s -> \"$\" ^ s,(\"\",[])\n\t| Custom s -> s,(\"\",[])\n"
| [_; "warning"; warning_path]->
let warnings = parse_file_array warning_path parse_warning in
print_endline "type warning =";
print_endline (gen_warning_type warnings);
print_endline "";
print_endline "type warning_obj = {";
print_endline "\tw_name : string;";
print_endline "\tw_doc : string;";
print_endline "\tw_generic : bool;";
print_endline "\tw_parent : warning option;";
print_endline "}";
print_endline "";
print_endline "let warning_obj = function";
print_endline (gen_warning_obj warnings);
print_endline "";
print_endline "let from_string = function";
print_endline (gen_warning_parse warnings);
| _ :: "libparams" :: params ->
Printf.printf "(%s)" (String.concat " " (List.map (fun s -> Printf.sprintf "\"%s\"" s) params))
| [_ ;"version";add_revision;branch;sha] ->
begin match add_revision with
| "0" | "" ->
print_endline "let version_extra = None"
| _ ->
Printf.printf "let version_extra = Some (\"git build %s\",\"%s\")" branch sha
end
| args ->
print_endline (String.concat ", " args)