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(* Wasm_of_ocaml compiler
* http://www.ocsigen.org/js_of_ocaml/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, with linking exception;
* either version 2.1 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*)
open Cmdliner
open Js_of_ocaml_compiler.Stdlib
open Wasm_of_ocaml_compiler
type binaryen_options =
{ common : string list
; opt : string list
; merge : string list
}
type options =
{ input_modules : (string * string) list
; output_file : string
; variables : Preprocess.variables
; allowed_imports : string list option
; binaryen_options : binaryen_options
}
let options =
let input_modules =
let doc =
"Specify an input module with name $(i,NAME) in Wasm text file $(i,FILE)."
in
Arg.(
value
& pos_right 0 (pair ~sep:':' string string) []
& info [] ~docv:"NAME:FILE" ~doc)
in
let output_file =
let doc = "Specify the Wasm binary output file $(docv)." in
Arg.(required & pos 0 (some string) None & info [] ~docv:"WASM_FILE" ~doc)
in
let allowed_imports =
let doc = "List of modules we expect to import from." in
Arg.(
value
& opt_all (list ~sep:',' string) []
& info [ "allowed-imports" ] ~docv:"IMPORT" ~doc)
in
let binaryen_options =
let doc = "Pass option $(docv) to binaryen tools" in
Arg.(value & opt_all string [] & info [ "binaryen" ] ~docv:"OPT" ~doc)
in
let opt_options =
let doc = "Pass option $(docv) to $(b,wasm-opt)" in
Arg.(value & opt_all string [] & info [ "binaryen-opt" ] ~docv:"OPT" ~doc)
in
let merge_options =
let doc = "Pass option $(docv) to $(b,wasm-merge)" in
Arg.(value & opt_all string [] & info [ "binaryen-merge" ] ~docv:"OPT" ~doc)
in
let build_t input_modules output_file variables allowed_imports common opt merge =
let allowed_imports =
if List.is_empty allowed_imports then None else Some (List.concat allowed_imports)
in
`Ok
{ input_modules
; output_file
; variables
; allowed_imports
; binaryen_options = { common; opt; merge }
}
in
let t =
Term.(
const build_t
$ input_modules
$ output_file
$ Preprocess.variable_options
$ allowed_imports
$ binaryen_options
$ opt_options
$ merge_options)
in
Term.ret t
let link
{ input_modules
; output_file
; variables
; allowed_imports
; binaryen_options = { common; merge; opt }
} =
let inputs =
List.map
~f:(fun (module_name, file) -> { Wat_preprocess.module_name; file; source = File })
input_modules
in
Runtime.build
~allowed_imports
~link_options:(common @ merge)
~opt_options:(common @ opt)
~variables:(Preprocess.set_variables variables)
~inputs
~output_file
let info =
Info.make
~name:"link-wasm"
~doc:"Wasm linker"
~description:
"$(b,wasmoo_link_wasm) is a Wasm linker. It takes as input a list of Wasm text \
files, preprocesses them, links them together, and outputs a single Wasm binary \
module"
let term = Cmdliner.Term.(const link $ options)
let command = Cmdliner.Cmd.v info term
|
