mirror of
https://github.com/LCPQ/quantum_package
synced 2024-11-09 07:33:53 +01:00
130 lines
3.2 KiB
OCaml
130 lines
3.2 KiB
OCaml
open Core.Std;;
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open Qptypes;;
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open Qputils;;
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(** Variables related to the quantum package installation *)
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let root =
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match (Sys.getenv "QP_ROOT") with
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| None -> failwith "QP_ROOT environment variable is not set.
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Please source the quantum_package.rc file."
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| Some x -> x
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;;
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let bit_kind_size = lazy (
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let filename = root^"/src/Bitmask/bitmasks_module.f90" in
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if not (Sys.file_exists_exn filename) then
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raise (Failure ("File "^filename^" not found"));
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let in_channel = In_channel.create filename in
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let lines = In_channel.input_lines in_channel in
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In_channel.close in_channel;
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let rec get_data = function
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| [] -> raise (Failure ("bit_kind_size not found in "^filename))
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| line::tail ->
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let line =
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begin match String.split ~on:'!' line |> List.hd with
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| Some x -> x
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| None -> ""
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end in
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begin match (String.rsplit2 ~on:':' line) with
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| Some (_ ,buffer) ->
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begin match (String.split ~on:'=' buffer |> List.map ~f:String.strip) with
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| ["bit_kind_size"; x] ->
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Int.of_string x |> Bit_kind_size.of_int
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| _ -> get_data tail
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end
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| _ -> get_data tail
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end
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in
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get_data lines )
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;;
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let bit_kind = lazy (
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Lazy.force bit_kind_size
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|> Bit_kind_size.to_int
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|> fun x -> x / 8
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|> Bit_kind.of_int
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)
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;;
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let executables = lazy (
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let filename = root^"/data/executables"
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and func in_channel =
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In_channel.input_lines in_channel
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|> List.map ~f:(fun x ->
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let e = String.split ~on:' ' x
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|> List.filter ~f:(fun x -> x <> "")
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in
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match e with
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| [a;b] -> (a,String.substr_replace_all ~pattern:"$QP_ROOT" ~with_:root b)
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| _ -> ("","")
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)
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in
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In_channel.with_file filename ~f:func
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|> List.sort ~cmp:(fun (x,_) (y,_) ->
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if x < y then -1
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else if x > y then 1
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else 0)
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)
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let get_ezfio_default_in_file ~directory ~data ~filename =
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let lines = In_channel.with_file filename ~f:(fun in_channel ->
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In_channel.input_lines in_channel) in
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let rec find_dir = function
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| line :: rest ->
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if ((String.strip line) = directory) then
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rest
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else
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find_dir rest
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| [] -> raise Not_found
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in
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let rec find_data = function
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| line :: rest ->
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if (line = "") then
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raise Not_found
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else if (line.[0] <> ' ') then
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raise Not_found
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else
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begin
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match (String.lsplit2 ~on:' ' (String.strip line)) with
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| Some (l,r) ->
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if (l = data) then
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String.strip r
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else
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find_data rest
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| None -> raise Not_found
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end
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| [] -> raise Not_found
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in
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find_dir lines
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|> find_data ;
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;;
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let get_ezfio_default directory data =
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let dirname = root^"/data/ezfio_defaults/" in
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let rec aux = function
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| [] ->
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begin
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Printf.printf "%s/%s not found\n%!" directory data;
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raise Not_found
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end
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| filename :: tail ->
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let filename =
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dirname^filename
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in
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try
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get_ezfio_default_in_file ~directory ~data ~filename
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with
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| Not_found -> aux tail
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in
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Sys.readdir dirname
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|> Array.to_list
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|> aux
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;;
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