AllenGeng/ocamlgithub · Datasets at Hugging Face

text stringlengths 12 786k
let string_of_tree t = let buf = Buffer . create 16 in let rec to_string indent = let child_to_string continue_indentation mark x = Buffer . add_char buf ' \ n ' ; Buffer . add_string buf indent ; Buffer . add_string buf mark ; to_string ( indent ^ continue_indentation ) x in let rec children_to_string = function \| [ x ] -> child_to_string " " " └─ " x \| x :: xs -> child_to_string " │ " " ├─ " x ; children_to_string xs \| [ ] -> ( ) in function \| Tree ( x , children ) -> Buffer . add_string buf x ; children_to_string children in to_string " " t ; Buffer . contents buf
let asy_of_tree t = let buf = Buffer . create 256 in let rec go root k ( Tree ( x , ts ) ) = let name = if root = " " then " node " else root ^ " _ " ^ string_of_int k in Buffer . add_string buf ( Printf . sprintf " TreeNode % s = nodeGM ( % s " \% s " \% s ) ; \ n " name ( if root = " " then " " else root ^ " , " ) x " " ) ; ignore ( List . fold_left ( fun n t -> go name n t ; n + 1 ) 1 ts ) in go " " 0 t ; Printf . sprintf " import drawtree ; treeLevelStep = 30mm ; treeNodeStep = 2mm ; TreeNode nodeGM ( TreeNode parent = null , Label label , pen coul1 = 1bp + gray , pen coul2 = paleblue ) { frame f ; roundbox ( f , label , xmargin = 1 . 5mm , filltype = FillDraw ( fillpen = coul2 , drawpen = coul1 ) ) ; return makeNode ( parent , f ) ; } % s draw ( node , ( 0 , 0 ) ) ; " ( Buffer . contents buf )
let dot_of_tree name t = let buf = Buffer . create 256 in let rec go name ( Tree ( x , ts ) ) = Buffer . add_string buf ( Printf . sprintf " % s [ label " =\% s " ] ; \\ n " name x ) ; ignore ( List . fold_left ( fun n t -> let name ' = name ^ " _ " ^ string_of_int n in go name ' t ; Buffer . add_string buf ( Printf . sprintf " % s -> % s [ arrowhead = none ] ; \ n " name name ' ) ; n + 1 ) 1 ts ) in go " n " t ; Printf . sprintf " digraph % s { % s } " name ( Buffer . contents buf )
let str_replace c1 c2 str = try let i = String . index str c1 in let s = Bytes . of_string str in Bytes . set s i c2 ; Bytes . to_string s with Not_found -> str
let box_node x = Box . frame ( Box . line ( str_replace ' ' : ' \ n ' x ) )
let rec box_of_tree = function \| Tree ( x , [ ] ) -> box_node x \| Tree ( x , ts ) -> Box . connect ( box_node x ) ( List . map box_of_tree ts )
module type ATOM = sig type t val t : t Irmin . Type . t val compare : t -> t -> int val to_string : t -> string val of_string : string -> t end
module Make ( Atom : ATOM ) = struct type atom = Atom . t type node = { l : t ; v : atom ; r : t } and t = \| N \| B of node type dir = L \| R type path = dir list let blank = N let rec insert t path x = match ( path , t ) with \| ( [ ] , N ) -> B { l = N ; v = x ; r = N } \| ( L :: path ' , B { l = lt ; v = y ; r = rt } ) -> let lt ' = insert lt path ' x in B { l = lt ' ; v = y ; r = rt } \| ( R :: path ' , B { l = lt ; v = y ; r = rt } ) -> let rt ' = insert rt path ' x in B { l = lt ; v = y ; r = rt ' } \| _ -> failwith " Unexpected path for insertion " let rec insert_left t x = match t with \| N -> B { l = N ; v = x ; r = N } \| B { l = t1 ; v = v ' ; r = t2 } -> insert_left t1 x let rec update t path x = match ( path , t ) with \| ( [ ] , B { l = lt ; v = y ; r = rt } ) -> B { l = lt ; v = x ; r = rt } \| ( L :: path ' , B { l = lt ; v = y ; r = rt } ) -> let lt ' = update lt path ' x in B { l = lt ' ; v = y ; r = rt } \| ( R :: path ' , B { l = lt ; v = y ; r = rt } ) -> let rt ' = update rt path ' x in B { l = lt ; v = y ; r = rt ' } \| _ -> failwith " Unexpected path for modification " let rec in_order_iter f = function \| N -> ( ) \| B { l = lt ; v = y ; r = rt } -> ( in_order_iter f lt ; f y ; in_order_iter f rt ) let rec of_array arr low high = if low > high then N else let mid = low + ( ( high - low + 1 ) / 2 ) in let lt = of_array arr low ( mid - 1 ) in let rt = of_array arr ( mid + 1 ) high in B { l = lt ; v = arr . ( mid ) ; r = rt } let of_list = function \| [ ] -> N \| l -> of_array ( Array . of_list l ) 0 @@ ( List . length l ) - 1 exception MergeConflict let rec merge3 old v1 v2 = if v1 = v2 then v1 else if v1 = old then v2 else if v2 = old then v1 else match ( old , v1 , v2 ) with \| ( N , B _ , N ) -> v1 \| ( N , N , B _ ) -> v2 \| ( N , B { l = lt1 ; v = x1 ; r = rt1 } , B { l = lt2 ; v = x2 ; r = rt2 } ) -> if x1 = x2 then B { l = merge3 N lt1 lt2 ; v = x1 ; r = merge3 N rt1 rt2 } else raise MergeConflict \| ( B { l = lt ; v = x ; r = rt } , B { l = lt1 ; v = x1 ; r = rt1 } , B { l = lt2 ; v = x2 ; r = rt2 } ) -> let lt ' ( ) = merge3 lt lt1 lt2 in let rt ' ( ) = merge3 rt rt1 rt2 in if ( x1 = x2 ) then B { l = lt ' ( ) ; v = x1 ; r = rt ' ( ) } else if ( x1 = x ) then B { l = lt ' ( ) ; v = x2 ; r = rt ' ( ) } else if ( x2 = x ) then B { l = lt ' ( ) ; v = x1 ; r = rt ' ( ) } else raise MergeConflict \| ( B _ , N , _ ) \| ( B _ , _ , N ) -> failwith " Impossible ; with tombstones , branch cannot be deleted . " \| ( N , N , N ) -> N end
let select_sandbox_item = let icon = ` LightDark Vscode . TreeItem . LightDarkIcon . { light = ` String ( Path . asset " collection - light . svg " \|> Path . to_string ) ; dark = ` String ( Path . asset " collection - dark . svg " \|> Path . to_string ) } in let label = ` TreeItemLabel ( Vscode . TreeItemLabel . create ~ label " : Select a Sandbox " ( ) ) in let item = Vscode . TreeItem . make_label ~ label ( ) in let command = Vscode . Command . create ~ title " : Select a Sandbox " ~ command " : ocaml . select - sandbox " ( ) in Vscode . TreeItem . set_iconPath item icon ; Vscode . TreeItem . set_command item command ; item
let terminal_item = let icon = ` LightDark Vscode . TreeItem . LightDarkIcon . { light = ` String ( Path . asset " terminal - light . svg " \|> Path . to_string ) ; dark = ` String ( Path . asset " terminal - dark . svg " \|> Path . to_string ) } in let label = ` TreeItemLabel ( Vscode . TreeItemLabel . create ~ label " : Open a sandboxed terminal " ( ) ) in let item = Vscode . TreeItem . make_label ~ label ( ) in let command = Vscode . Command . create ~ title " : Open a sandboxed terminal " ~ command " : ocaml . open - terminal " ( ) in Vscode . TreeItem . set_iconPath item icon ; Vscode . TreeItem . set_command item command ; item
let items = [ select_sandbox_item ; terminal_item ]
let getTreeItem ~ element = ` Value element
let getChildren ? element ( ) = match element with \| None -> ` Value ( Some items ) \| Some _ -> ` Value ( Some [ ] )
let register extension = let module TreeDataProvider = Vscode . TreeDataProvider . Make ( Vscode . TreeItem ) in let treeDataProvider = TreeDataProvider . create ~ getTreeItem ~ getChildren ( ) in let disposable = Vscode . Window . registerTreeDataProvider ( module Vscode . TreeItem ) ~ viewId " : ocaml - commands " ~ treeDataProvider in Vscode . ExtensionContext . subscribe extension ~ disposable
let discord_item = let icon = ` LightDark Vscode . TreeItem . LightDarkIcon . { light = ` String ( Path . asset " discord - light . svg " \|> Path . to_string ) ; dark = ` String ( Path . asset " discord - dark . svg " \|> Path . to_string ) } in let label = ` TreeItemLabel ( Vscode . TreeItemLabel . create ~ label " : Chat on Discord " ( ) ) in let item = Vscode . TreeItem . make_label ~ label ( ) in let command = Vscode . Command . create ~ title " : Open " ~ command " : vscode . open " ~ arguments : [ Vscode . Uri . parse " https :// discord . gg / cCYQbqN " ( ) \|> Vscode . Uri . t_to_js ] ( ) in Vscode . TreeItem . set_iconPath item icon ; Vscode . TreeItem . set_command item command ; item
let discuss_item = let icon = ` LightDark Vscode . TreeItem . LightDarkIcon . { light = ` String ( Path . asset " chat - light . svg " \|> Path . to_string ) ; dark = ` String ( Path . asset " chat - dark . svg " \|> Path . to_string ) } in let label = ` TreeItemLabel ( Vscode . TreeItemLabel . create ~ label " : Ask a question on Discuss " ( ) ) in let item = Vscode . TreeItem . make_label ~ label ( ) in let command = Vscode . Command . create ~ title " : Open " ~ command " : vscode . open " ~ arguments : [ Vscode . Uri . parse " https :// discuss . ocaml . org " / ( ) \|> Vscode . Uri . t_to_js ] ( ) in Vscode . TreeItem . set_iconPath item icon ; Vscode . TreeItem . set_command item command ; item
let github_item = let icon = ` LightDark Vscode . TreeItem . LightDarkIcon . { light = ` String ( Path . asset " github - light . svg " \|> Path . to_string ) ; dark = ` String ( Path . asset " github - dark . svg " \|> Path . to_string ) } in let label = ` TreeItemLabel ( Vscode . TreeItemLabel . create ~ label " : Open an issue on Github " ( ) ) in let item = Vscode . TreeItem . make_label ~ label ( ) in let command = Vscode . Command . create ~ title " : Open " ~ command " : vscode . open " ~ arguments : [ Vscode . Uri . parse " https :// github . com / ocamllabs / vscode - ocaml - platform " ( ) \|> Vscode . Uri . t_to_js ] ( ) in Vscode . TreeItem . set_iconPath item icon ; Vscode . TreeItem . set_command item command ; item
let items = [ discord_item ; discuss_item ; github_item ]
let getTreeItem ~ element = ` Value element
let getChildren ? element ( ) = match element with \| None -> ` Value ( Some items ) \| Some _ -> ` Value ( Some [ ] )
let register extension = let module TreeDataProvider = Vscode . TreeDataProvider . Make ( Vscode . TreeItem ) in let treeDataProvider = TreeDataProvider . create ~ getTreeItem ~ getChildren ( ) in let disposable = Vscode . Window . registerTreeDataProvider ( module Vscode . TreeItem ) ~ viewId " : ocaml - help " ~ treeDataProvider in Vscode . ExtensionContext . subscribe extension ~ disposable
module Dependency = struct type t = Sandbox . Package . t let t_of_js : Ojs . t -> t = Stdlib . Obj . magic let t_to_js : t -> Ojs . t = Stdlib . Obj . magic let label t = Sandbox . Package . name t let description t = Promise . return ( Some ( Sandbox . Package . version t ) ) let tooltip t = Sandbox . Package . synopsis t let context_value t = match Sandbox . Package . documentation t with \| Some _ -> " package - with - doc " \| None -> " package " let icon _ = TreeItem . LightDarkIcon . { light = ` String ( Path . asset " number - light . svg " \|> Path . to_string ) ; dark = ` String ( Path . asset " number - dark . svg " \|> Path . to_string ) } let collapsible_state t = if Sandbox . Package . has_dependencies t then TreeItemCollapsibleState . Collapsed else TreeItemCollapsibleState . None let to_treeitem dependency = let open Promise . Syntax in let icon = ` LightDark ( icon dependency ) in let collapsibleState = collapsible_state dependency in let label = ` TreeItemLabel ( Vscode . TreeItemLabel . create ~ label ( : label dependency ) ( ) ) in let item = Vscode . TreeItem . make_label ~ label ~ collapsibleState ( ) in Vscode . TreeItem . set_iconPath item icon ; TreeItem . set_contextValue item ( context_value dependency ) ; let + _ = Promise . Option . iter ( fun desc -> TreeItem . set_description item ( ` String desc ) ) ( description dependency ) in Option . iter ( tooltip dependency ) ~ f ( : fun desc -> TreeItem . set_tooltip item ( ` String desc ) ) ; item let get_dependencies t = let open Promise . Syntax in let + deps = Sandbox . Package . dependencies t in match deps with \| Error _ -> None \| Ok packages -> Some packages end
module Command = struct let _open_documentation = let handler ( _ : Extension_instance . t ) ~ args = let ( _ : unit Promise . t ) = let arg = List . hd_exn args in let dep = Dependency . t_of_js arg in let open Promise . Syntax in let doc = Sandbox . Package . documentation dep in match doc with \| None -> Promise . return ( ) \| Some doc -> let + _ = Vscode . Commands . executeCommand ~ command " : vscode . open " ~ args [ : Vscode . Uri . parse doc ( ) \|> Vscode . Uri . t_to_js ] in ( ) in ( ) in Extension_commands . register ~ id : Extension_consts . Commands . open_sandbox_documentation handler let _generate_documentation = let handler ( instance : Extension_instance . t ) ~ args = let ( _ : unit Promise . t ) = let open Promise . Syntax in let sandbox = Extension_instance . sandbox instance in let * odig = Odig . of_sandbox sandbox in match odig with \| Error error -> show_message ` Error " % s " error ; Promise . resolve ( ) \| Ok odig -> ( let arg = List . hd_exn args in let dep = Dependency . t_of_js arg in let package_name = Sandbox . Package . name dep in let options = ProgressOptions . create ~ location ( ` : ProgressLocation Notification ) ~ title : ( Printf . sprintf " Generating documentation for % s " package_name ) ~ cancellable : false ( ) in let task ~ progress : _ ~ token : _ = Odig . odoc_exec odig ~ sandbox ~ package_name in let * result = Vscode . Window . withProgress ( module Interop . Js . Result ( Interop . Js . Unit ) ( Interop . Js . String ) ) ~ options ~ task in match result with \| Error _ -> show_message ` Error " Documentation could not be generated for % s . It might be \ because this package has no documentation . " package_name ; Promise . resolve ( ) \| Ok _ -> ( let + server = let html_dir = Odig . html_dir odig in Extension_instance . start_documentation_server instance ~ path : html_dir in match server with \| Error ( ) -> ( ) \| Ok server -> let ( _ : Ojs . t option Promise . t ) = let port = Documentation_server . port server in let host = Documentation_server . host server in Vscode . Commands . executeCommand ~ command " : simpleBrowser . show " ~ args : [ Ojs . string_to_js ( Printf . sprintf " http ://% s :% i /% s / index . html " host port package_name ) ] in ( ) ) ) in ( ) in Extension_commands . register ~ id : Extension_consts . Commands . generate_sandbox_documentation handler let _uninstall = let handler ( instance : Extension_instance . t ) ~ args = let ( _ : unit Promise . t ) = let arg = List . hd_exn args in let dep = Dependency . t_of_js arg in let message = Printf . sprintf " Are you sure you want to uninstall package % s " ? ( Dependency . label dep ) in with_confirmation message ~ yes " : Uninstall package " @@ fun ( ) -> let open Promise . Syntax in let sandbox = Extension_instance . sandbox instance in Sandbox . focus_on_package_command ~ sandbox ( ) ; let + ( ) = Sandbox . uninstall_packages sandbox [ dep ] in let ( _ : Ojs . t option Promise . t ) = Vscode . Commands . executeCommand ~ command : Extension_consts . Commands . refresh_switches ~ args [ ] : in let ( _ : Ojs . t option Promise . t ) = Vscode . Commands . executeCommand ~ command : Extension_consts . Commands . refresh_sandbox ~ args [ ] : in ( ) in ( ) in Extension_commands . register ~ id : Extension_consts . Commands . uninstall_sandbox_package handler let _upgrade = let handler ( instance : Extension_instance . t ) ~ args : _ = let ( _ : unit Promise . t ) = let open Promise . Syntax in let sandbox = Extension_instance . sandbox instance in Sandbox . focus_on_package_command ~ sandbox ( ) ; let + ( ) = Sandbox . upgrade_packages sandbox in let ( _ : Ojs . t option Promise . t ) = Vscode . Commands . executeCommand ~ command : Extension_consts . Commands . refresh_switches ~ args [ ] : in let ( _ : Ojs . t option Promise . t ) = Vscode . Commands . executeCommand ~ command : Extension_consts . Commands . refresh_sandbox ~ args [ ] : in ( ) in ( ) in Extension_commands . register ~ id : Extension_consts . Commands . upgrade_sandbox handler let ask_packages ( ) = let options = InputBoxOptions . create ~ prompt " : Install Packages " ~ placeHolder " : Type the packages names , separated with a space " ( ) in Window . showInputBox ~ options ( ) let _install = let handler ( instance : Extension_instance . t ) ~ args : _ = let ( _ : unit Promise . t ) = let open Promise . Syntax in let * package_str_opt = ask_packages ( ) in match package_str_opt with \| None -> Promise . return ( ) \| Some package_str -> let sandbox = Extension_instance . sandbox instance in let packages = String . split package_str ~ on ' : ' in Sandbox . focus_on_package_command ~ sandbox ( ) ; let + ( ) = Sandbox . install_packages sandbox packages in let ( _ : Ojs . t option Promise . t ) = Vscode . Commands . executeCommand ~ command : Extension_consts . Commands . refresh_switches ~ args [ ] : in let ( _ : Ojs . t option Promise . t ) = Vscode . Commands . executeCommand ~ command : Extension_consts . Commands . refresh_sandbox ~ args [ ] : in ( ) in ( ) in Extension_commands . register ~ id : Extension_consts . Commands . install_sandbox handler end
let getTreeItem ~ element = ` Promise ( Dependency . to_treeitem element )
let getChildren ~ instance ? element ( ) = let sandbox = Extension_instance . sandbox instance in match element with \| Some element -> ` Promise ( Dependency . get_dependencies element ) \| None -> let open Promise . Syntax in let items = let + packages = Sandbox . root_packages sandbox in match packages with \| Ok packages -> Some packages \| Error _ -> None in ` Promise items
let register extension instance = let getChildren = getChildren ~ instance in let module EventEmitter = Vscode . EventEmitter . Make ( Interop . Js . Or_undefined ( Dependency ) ) in let event_emitter = EventEmitter . make ( ) in let event = EventEmitter . event event_emitter in let module TreeDataProvider = Vscode . TreeDataProvider . Make ( Dependency ) in let treeDataProvider = TreeDataProvider . create ~ getTreeItem ~ getChildren ~ onDidChangeTreeData : event ( ) in let disposable = Vscode . Window . registerTreeDataProvider ( module Dependency ) ~ viewId " : ocaml - sandbox " ~ treeDataProvider in ExtensionContext . subscribe extension ~ disposable ; let disposable = Commands . registerCommand ~ command : Extension_consts . Commands . refresh_sandbox ~ callback ( : fun ~ args : _ -> EventEmitter . fire event_emitter None ) in ExtensionContext . subscribe extension ~ disposable
module Dependency = struct type t = \| Package : Opam . Package . t -> t \| Switch : Opam . t * Opam . Switch . t -> t let equals_opam_sandbox t sandbox = match ( t , sandbox ) with \| Switch ( opam , switch ) , Sandbox . Opam ( opam_ , switch_ ) -> Opam . equal opam opam_ && Opam . Switch . equal switch switch_ \| _ -> false let t_of_js : Ojs . t -> t = Stdlib . Obj . magic let t_to_js : t -> Ojs . t = Stdlib . Obj . magic let label = function \| Switch ( _ , Named name ) -> name \| Switch ( _ , Local path ) -> let name = Path . to_string path in name \| Package dep -> Opam . Package . name dep let description = function \| Switch ( opam , switch ) -> Opam . switch_compiler opam switch \| Package dep -> Promise . return ( Some ( Opam . Package . version dep ) ) let tooltip = function \| Switch ( _ , Named _ ) -> None \| Switch ( _ , Local _ ) -> None \| Package dep -> Opam . Package . synopsis dep let context_value = function \| Switch _ -> " opam - switch " \| Package dep -> ( match Opam . Package . documentation dep with \| Some _ -> " package - with - doc " \| None -> " package " ) let icon dependency is_current_sandbox = match dependency with \| Switch _ -> let selected = if is_current_sandbox then " - selected " else " " in TreeItem . LightDarkIcon . { light = ` String ( Path . asset @@ " dependency - light " ^ selected ^ " . svg " \|> Path . to_string ) ; dark = ` String ( Path . asset @@ " dependency - dark " ^ selected ^ " . svg " \|> Path . to_string ) } \| Package _ -> TreeItem . LightDarkIcon . { light = ` String ( Path . asset " number - light . svg " \|> Path . to_string ) ; dark = ` String ( Path . asset " number - dark . svg " \|> Path . to_string ) } let collapsible_state = let open Promise . Syntax in function \| Switch ( opam , switch ) -> ( let + packages = Opam . switch_compiler opam switch in match packages with \| None -> TreeItemCollapsibleState . None \| Some ( _ : string ) -> Collapsed ) \| Package dep -> Promise . return ( if Opam . Package . has_dependencies dep then TreeItemCollapsibleState . Collapsed else None ) let to_treeitem instance dependency = let open Promise . Syntax in let current_sandbox = Extension_instance . sandbox instance in let is_current_sandbox = equals_opam_sandbox dependency current_sandbox in let icon = ` LightDark ( icon dependency is_current_sandbox ) in let * collapsibleState = collapsible_state dependency in let label = ` TreeItemLabel ( Vscode . TreeItemLabel . create ~ label ( : label dependency ) ( ) ) in let item = Vscode . TreeItem . make_label ~ label ~ collapsibleState ( ) in Vscode . TreeItem . set_iconPath item icon ; TreeItem . set_contextValue item ( context_value dependency ) ; let + ( ) = Promise . Option . iter ( fun desc -> TreeItem . set_description item ( ` String desc ) ) ( description dependency ) in Option . iter ( tooltip dependency ) ~ f ( : fun desc -> TreeItem . set_tooltip item ( ` String desc ) ) ; item let get_dependencies = let open Promise . Syntax in function \| Switch ( opam , switch ) -> ( let * packages = Opam . root_packages opam switch in match packages with \| Ok packages -> let names = packages \|> List . map ~ f ( : fun n -> Package n ) in Promise . return ( Some names ) \| Error err -> show_message ` Info " An error occurred while reading the switch dependencies : % s " err ; Promise . return None ) \| Package pkg -> ( let + deps = Opam . Package . dependencies pkg in match deps with \| Ok packages -> Some ( List . map ~ f ( : fun x -> Package x ) packages ) \| Error e -> log " An error occurred while getting package dependencies . Package % s . \ Error % s " ( Opam . Package . name pkg ) e ; None ) end
module Command = struct let _remove_switch = let handler ( _ : Extension_instance . t ) ~ args = let ( _ : unit Promise . t ) = let arg = List . hd_exn args in let dep = Dependency . t_of_js arg in match dep with \| Package _ -> Promise . return @@ show_message ` Warn " The selected item is not an opam switch . " \| Switch ( opam , switch ) -> ( let message = Printf . sprintf " Are you sure you want to remove switch % s " ? ( Dependency . label dep ) in with_confirmation message ~ yes " : Remove switch " @@ fun ( ) -> let open Promise . Syntax in Sandbox . focus_on_package_command ( ) ; let + result = Opam . switch_remove opam switch \|> Cmd . output in match result with \| Error err -> show_message ` Error " % s " err \| Ok _ -> let ( _ : Ojs . t option Promise . t ) = Vscode . Commands . executeCommand ~ command : Extension_consts . Commands . refresh_switches ~ args [ ] : in let ( _ : Ojs . t option Promise . t ) = Vscode . Commands . executeCommand ~ command : Extension_consts . Commands . refresh_sandbox ~ args [ ] : in show_message ` Info " The switch has been removed successfully . " ) in ( ) in Extension_commands . register ~ id : Extension_consts . Commands . remove_switch handler let _open_documentation = let handler ( _ : Extension_instance . t ) ~ args = let ( _ : unit Promise . t ) = let arg = List . hd_exn args in let dep = Dependency . t_of_js arg in match dep with \| Switch _ -> Promise . return @@ show_message ` Warn " Cannot open documentation of a switch . " \| Package pkg -> ( let open Promise . Syntax in let doc = Opam . Package . documentation pkg in match doc with \| None -> Promise . return ( ) \| Some doc -> let + ( _ : Ojs . t option ) = Vscode . Commands . executeCommand ~ command " : vscode . open " ~ args [ : Vscode . Uri . parse doc ( ) \|> Vscode . Uri . t_to_js ] in ( ) ) in ( ) in Extension_commands . register ~ id : Extension_consts . Commands . open_switches_documentation handler end
let getTreeItem instance ~ element = ` Promise ( Dependency . to_treeitem instance element )
let getChildren ? opam ? element ( ) = match ( opam , element ) with \| None , _ -> ` Value None \| Some _ , Some element -> ` Promise ( Dependency . get_dependencies element ) \| Some opam , None -> let open Promise . Syntax in let items = let + switches = Opam . switch_list opam in let items = List . map ~ f ( : fun switch -> Dependency . Switch ( opam , switch ) ) switches in Some items in ` Promise items
let register extension instance = let ( _ : unit Promise . t ) = let open Promise . Syntax in let + opam = Opam . make ( ) in let getChildren = getChildren ? opam in let getTreeItem = getTreeItem instance in let module EventEmitter = Vscode . EventEmitter . Make ( Interop . Js . Or_undefined ( Dependency ) ) in let event_emitter = EventEmitter . make ( ) in let event = EventEmitter . event event_emitter in let module TreeDataProvider = Vscode . TreeDataProvider . Make ( Dependency ) in let treeDataProvider = TreeDataProvider . create ~ getTreeItem ~ getChildren ~ onDidChangeTreeData : event ( ) in let disposable = Vscode . Window . registerTreeDataProvider ( module Dependency ) ~ viewId " : ocaml - switches " ~ treeDataProvider in ExtensionContext . subscribe extension ~ disposable ; let disposable = Commands . registerCommand ~ command : Extension_consts . Commands . refresh_switches ~ callback ( : fun ~ args : _ -> EventEmitter . fire event_emitter None ) in ExtensionContext . subscribe extension ~ disposable in ( )
module Filesys = struct let join_path path = if path = [ " " ] then " " / else String . concat " " / path let split_re = Str . regexp " " / let split_path s = Str . split split_re s let list path = let path_name = join_path path in let d = Unix . opendir path_name in let l = ref [ ] in try while true do l := e :: ! l done ; assert false with Unix . closedir d ; \| err -> let is_directory path = let path_name = join_path path in try ( Unix . lstat path_name ) . Unix . st_kind = Unix . S_DIR with let is_container path = let path_name = join_path path in try ( Unix . stat path_name ) . Unix . st_kind = Unix . S_DIR with end ; ;
module Filetree_dlg = struct open Lx_tree . Types ; ; open Tk ; ; open Widget ; ; type node = { path : string list ; } let some = function Some x -> x \| None -> assert false let selected = ref [ ] let name_tv = lazy ( Textvariable . create ( ) ) let listbox = ref None let dir_label = ref None let ok_button = ref None let cb_enable_ok = ref ( fun _ -> true ) let update_ok_button ( ) = let dir = Filesys . join_path ! selected in let name = Textvariable . get ( Lazy . force name_tv ) in prerr_endline ( " Name : " ^ name ) ; let en = ! selected <> [ ] && name <> " " && Button . configure ~ state ( : if en then ` Normal else ` Disabled ) ( some ! ok_button ) let update_listbox d = let files = Filesys . list [ d ] in let reg_files = List . filter ( fun file -> not ( Filesys . is_container [ d ; file ] ) ) files in Listbox . delete ( some ! listbox ) ~ first ( ` : Num 0 ) ~ last ` : End ; Listbox . insert ( some ! listbox ) ~ index ` : End ~ texts : reg_files ; Label . configure ~ text ( : d ^ " " ) : ( some ! dir_label ) let node_action tw tree ev evinfo = selected := tree . node . path ; Lx_tree . update tw ; let dir = Filesys . join_path tree . node . path in update_listbox dir ; update_ok_button ( ) let display_node tw tree = let ( foreground , background ) = if tree . node . path = ! selected then else in Lx_tree . display_text ? foreground ? background ~ events [ : ` ButtonPress ] ~ action : node_action tree . node . name let rescan_node tw tree = let files = Filesys . list tree . node . path in let subnodes = List . map ) let dirs = List . filter let subtrees = List . map ) tree . children <- subtrees let rec make_tree_from_path ( ? loc = [ ] ) p = match p with \| [ ] -> let open_dialog ( ? title = " Browse . . . " ) ( ? enable_ok = fun _ -> true ) parent = selected := [ ] ; Textvariable . set ( Lazy . force name_tv ) " " ; let top = Toplevel . create parent in Wm . transient_set top ~ master : parent ; Wm . title_set top title ; cb_enable_ok := enable_ok ; let l1 = Label . create ~ text " : Directories " : top in pack ~ anchor ` : W [ l1 ] ; let dir_tree = make_tree_from_path ( " " :: Filesys . split_path ( Sys . getcwd ( ) ) ) in dir_tree . node . name <- " < Root " ; > let tframe = Frame . create top in let tw = Lx_tree . create let sbar = Scrollbar . create ~ orient ` : Vertical tframe in let canvas = Lx_tree . canvas tw in Canvas . configure ~ yscrollcommand ( : Scrollbar . set sbar ) ~ relief ` : Sunken ~ borderwidth : 3 canvas ; Scrollbar . configure ~ command ( : Canvas . yview canvas ) sbar ; pack ~ side ` : Left ~ fill ` : Both ~ expand : true [ canvas ] ; pack ~ side ` : Left ~ fill ` : Y [ sbar ] ; pack ~ anchor ` : W ~ fill ` : X [ tframe ] ; let lab = Label . create ~ text ( " : " ) top in let lbf = Frame . create top in let lb = Listbox . create ~ height : 10 ~ font " : fixed " ~ exportselection : false let lbs = Scrollbar . create lbf in Listbox . configure ~ yscrollcommand ( : Scrollbar . set lbs ) lb ; Scrollbar . configure ~ command ( : Listbox . yview lb ) lbs ; pack ~ anchor ` : W [ lab ] ; pack ~ anchor ` : W ~ fill ` : X [ lbf ] ; pack ~ side ` : Left ~ expand : true ~ fill ` : X [ lb ] ; pack ~ side ` : Left ~ fill ` : Y [ lbs ] ; listbox := Some lb ; dir_label := Some lab ; let lab ' = Label . create ~ text " : Filename " : top in let ent = Entry . create ~ font " : fixed " pack ~ anchor ` : W [ lab ' ] ; pack ~ anchor ` : W ~ fill ` : X [ ent ] ; Tk . bind ~ events [ : ` ButtonReleaseDetail 1 ] ~ action ( : fun _ -> lb ; Tk . bind ~ events [ : ` KeyPress ] ~ action ( : fun _ -> ent ; let result = ref None in let buttons = Frame . create top in let ok_b = Button . create ~ text " : OK " let cancel_b = Button . create ~ text " : Cancel " pack ~ expand : true ~ fill ` : X [ buttons ] ; pack ~ side ` : Left [ ok_b ; cancel_b ] ; ok_button := Some ok_b ; Grab . set top ; Tkwait . window top ; ! result end ; ;
module S = struct type t = string let compare = compare end ; ;
module StringSet = Set . Make ( S ) ; ;
type filetype = Regular \| Directory \| Absent ; ;
type node = { path : string list ; name : string ; mutable is_dir : bool ; mutable selected : bool ; mutable realtype : filetype ; } ; ;
type file_tree = node tree ; ;
type state = { mutable current_directory : string ; mutable list_file : string ; mutable tree_widget : node tree_widget option ; mutable info_widget : label widget option ; mutable dir_context_menu : menu widget option ; mutable dir_context_suffix_menu : menu widget option ; mutable dir_context_unsuffix_menu : menu widget option ; mutable file_context_menu : menu widget option ; mutable context_menu_tree : node tree ; mutable modified : bool ; topwdg : toplevel widget ; workframe : frame widget ; directory_xpm : image ; selected_xpm : image ; unselected_xpm : image ; mutable display : node tree_widget -> file_tree -> node display_item ; } ; ;
let dummy_tree = { node = { path = [ ] ; children = [ ] ; show = false ; scanned = false ; interactive = false ; } ; ;
let rescan_node tw tree = let files = Filesys . list tree . node . path in let missing_files = List . map ( fun child -> child . node . name ) ( List . filter ) in let all_files = List . sort compare ( files @ missing_files ) in let old_children = tree . children in let new_children = List . map ( fun filename -> ) all_files in List . iter ( fun child -> child . node . realtype <- if List . mem child . node . name files then ) new_children ; tree . children <- new_children ; ;
let rec selected_files_exist tree = tree . node . selected \|\| selected_files_exist_in_children tree List . exists selected_files_exist tree . children ; ;
let rec expand ( ? all = false ) tw tree = let show = tree . node . is_dir && ( all \|\| selected_files_exist_in_children tree ) in tree . show <- tree . show \|\| show ; if show then rescan_node tw tree ; List . iter ( fun child -> expand ~ all tw child ) tree . children ; ;
let rec collapse tw tree = tree . show <- false ; List . iter ( fun child -> collapse tw child ) tree . children ; ;
let suffix_re = Str . regexp " . [ . ] " ; ; \\^+$
let rec find_suffixes ( ? recursive = false ) tw tree = assert ( tree . node . is_dir ) ; rescan_node tw tree ; tree . show <- true ; let files = List . map ( fun ch -> ch . node . name ) tree . children in let suff = List . filter ( fun s -> ) ( List . map ) in let suff_set = ref ( StringSet . empty ) in List . iter ( fun s -> suff_set := StringSet . add s ! suff_set ) suff ; if recursive then begin List . iter ( fun child -> ) tree . children end ; ! suff_set ; ;
let rec select_suffixes ( ? recursive = false ) ( ? unselect = false ) suffix tree = prerr_endline " select_suffixes " ; List . iter ( fun child -> let child_suff = in if child_suff = suffix && not ( child . node . is_dir ) then if recursive && child . node . is_dir then ) tree . children ; ;
let rec select_all ( ? recursive = false ) ( ? unselect = false ) tree = prerr_endline " select_all " ; List . iter ( fun child -> if not ( child . node . is_dir ) then if recursive && child . node . is_dir then ) tree . children ; ;
let set_suffix_menu ? unselect tw menu tree = Menu . delete menu ~ first ( ` : Num 0 ) ~ last ` : End ; let suffixes = find_suffixes tw tree in StringSet . iter ( fun s -> Menu . add_command ~ label : s ~ command ( : fun ( ) -> ) suffixes ; ;
let node_action st tw tree ev evinfo = match ( ev : Lx_spots . supported_event ) with ` ButtonPress -> ) end \| ` Enter -> end \| ` Leave -> end \| _ -> ( ) ; ;
let display_node st = let node_action_st = node_action st in fun tw tree -> let node = tree . node in let image = if node . is_dir then st . directory_xpm else else in let foreground = match ( node . realtype , node . is_dir ) with in let events = [ ` ButtonPress ; ` Enter ; ` Leave ] in Lx_tree . display_text ~ image ~ events ~ action : node_action_st ? foreground node . name ; ;
let neutral_frame wdg = Frame . create ~ highlightthickness : 0 ~ borderwidth : 0 wdg ; ;
let save st = let rec write_file file path tree = let full_name = if path = " " then tree . node . name else in if not tree . node . is_dir && tree . node . selected then begin output_string file full_name ; output_string file " \ n " ; end ; List . iter ( fun child -> write_file file full_name child ) tree . children in match st . tree_widget with Some tw -> \| None -> ( ) ; ;
let q_save st = if st . modified then begin let choice = Dialog . create ~ parent : st . topwdg ~ title " : Save " ? ~ message " : The current tree is modified . Save it to disk " ? ~ buttons [ : " Yes " ; " No " ; " Cancel " ] ( ) in match choice with \| 1 -> true \| 2 -> false end else true ; ;
let drop st = st . list_file <- " " ; st . modified <- false ; Frame . configure ~ width : 400 ~ height : 600 st . workframe ; List . iter destroy ( Winfo . children st . workframe ) ; st . tree_widget <- None ; ;
let create_work_tree st top_node = let tree_frame = neutral_frame st . workframe in let info_frame = neutral_frame st . workframe in let sbar = Scrollbar . create ~ orient ` : Vertical tree_frame in let info_label = Label . create ~ highlightthickness : 0 ~ borderwidth : 0 ~ justify ` : Left ~ text " : " info_frame in pack ~ anchor ` : W ~ ipady : 4 ~ ipadx : 4 ~ side ` : Left [ info_label ] ; let width = Winfo . reqwidth st . workframe - Winfo . reqwidth sbar in let height = Winfo . reqheight st . workframe - Winfo . reqwidth info_label - 14 in let tw = Lx_tree . create let canvas = Lx_tree . canvas tw in Canvas . configure ~ yscrollcommand ( : Scrollbar . set sbar ) canvas ; Scrollbar . configure ~ command ( : Canvas . yview canvas ) sbar ; Canvas . configure ~ highlightthickness : 0 canvas ; pack ~ side ` : Left ~ fill ` : Both ~ expand : true [ canvas ] ; pack ~ side ` : Left ~ fill ` : Y [ sbar ] ; pack ~ anchor ` : W [ tree_frame ; info_frame ] ; st . tree_widget <- Some tw ; st . info_widget <- Some info_label ; let dcm = Menu . create ~ tearoff : false st . workframe in let dcm_suffix = Menu . create ~ tearoff : false dcm in let dcm_unsuffix = Menu . create ~ tearoff : false dcm in Menu . add_cascade ~ label " : Select by suffix " ~ menu : dcm_suffix dcm ; Menu . add_cascade ~ label " : Unselect by suffix " ~ menu : dcm_unsuffix dcm ; Menu . add_command ~ label " : Select all files " ~ command ( : fun ( ) -> dcm ; Menu . add_command ~ label " : Unselect all files " ~ command ( : fun ( ) -> dcm ; Menu . add_separator dcm ; Menu . add_command ~ label " : Rescan directory " ~ command ( : fun ( ) -> Menu . add_separator dcm ; Menu . add_command ~ label " : Expand all " ~ command ( : fun ( ) -> Menu . add_command ~ label " : Expand as needed " ~ command ( : fun ( ) -> Menu . add_command ~ label " : Collapse " ~ command ( : fun ( ) -> st . dir_context_menu <- Some dcm ; st . dir_context_suffix_menu <- Some dcm_suffix ; st . dir_context_unsuffix_menu <- Some dcm_unsuffix ; ; ;
let file_new st ( ) = let enable_ok filename = not ( Sys . file_exists filename ) in if q_save st then begin match Filetree_dlg . open_dialog ~ title " : New tree " ~ enable_ok st . topwdg with \| None -> end ; ;
let strip_ws_re = Str . regexp " [ ^ \ r \ n \ t ] ( . ) [ \\\\ \ r \ n \ t ] " ; ; *$
let strip_ws s = if Str . string_match strip_ws_re s 0 then Str . matched_group 1 s else assert false ; ;
let file_open st ( ) = let rec enter_path path node = match path with \| [ ] -> in let rec read_file file initial_node = let line = strip_ws ( input_line file ) in if line = " " then read_file file initial_node else begin let path = Filesys . split_path line in enter_path path initial_node ; read_file file initial_node end in let enable_ok filename = Sys . file_exists filename in if q_save st then begin match Filetree_dlg . open_dialog ~ title " : Open tree " ~ enable_ok st . topwdg with \| None -> end ; ;
let file_save st ( ) = save st ; ignore ( Dialog . create ~ parent : st . topwdg ~ title " : Saved " ~ message " : Tree saved . " ; ;
let file_quit st ( ) = if q_save st then destroy st . topwdg ; ;
let view_expand ? all st ( ) = match st . tree_widget with Some tw -> \| None -> ( ) ; ;
let view_collapse st ( ) = match st . tree_widget with Some tw -> \| None -> ( ) ; ;
let init_application top = let directory_xpm = Imagebitmap . create ~ file " : directory . xpm " ~ background ` : White ( ) in let selected_xpm = Imagebitmap . create ~ file " : selected . xpm " ~ background ` : White ( ) in let unselected_xpm = Imagebitmap . create ~ file " : unselected . xpm " ~ background ` : White ( ) in let workframe = Frame . create ~ width : 400 ~ height : 600 top in let st = { current_directory = Sys . getcwd ( ) ; list_file = " " ; tree_widget = None ; info_widget = None ; dir_context_menu = None ; dir_context_suffix_menu = None ; dir_context_unsuffix_menu = None ; file_context_menu = None ; context_menu_tree = dummy_tree ; modified = false ; workframe = workframe ; topwdg = top ; directory_xpm = directory_xpm ; selected_xpm = selected_xpm ; unselected_xpm = unselected_xpm ; display = ( fun _ _ -> Lx_tree . display_text " " ) ; } in st . display <- display_node st ; let menuframe = Frame . create ~ relief ` : Groove ~ borderwidth : 2 top in let file_mb = Menubutton . create ~ text " : File " menuframe in let file_m = Menu . create file_mb in Menu . add_command ~ label " : New Tree " ~ command ( : file_new st ) file_m ; Menu . add_command ~ label " : Open " ~ command ( : file_open st ) file_m ; Menu . add_command ~ label " : Check " file_m ; Menu . add_command ~ label " : Save " ~ command ( : file_save st ) file_m ; Menu . add_command ~ label " : Quit " ~ command ( : file_quit st ) file_m ; Menubutton . configure ~ menu : file_m file_mb ; Wm . protocol_set top ~ name " : WM_DELETE_WINDOW " ~ command ( : file_quit st ) ; Menu . add_command ~ label " : Select by suffix " edit_m ; Menu . add_command ~ label " : Select by regexp " edit_m ; Menu . add_command ~ label " : Select all " edit_m ; Menubutton . configure ~ menu : edit_m edit_mb ; ) * let view_mb = Menubutton . create ~ text " : View " menuframe in let view_m = Menu . create view_mb in Menu . add_command ~ label " : Expand all " ~ command ( : view_expand ~ all : true st ) view_m ; Menu . add_command ~ label " : Expand as needed " ~ command ( : view_expand st ) view_m ; Menu . add_command ~ label " : Collapse all " ~ command ( : view_collapse st ) view_m ; Menubutton . configure ~ menu : view_m view_mb ; pack ~ side ` : Left [ file_mb ; view_mb ] ; pack ~ anchor ` : W ~ fill ` : X [ menuframe ] ; pack ~ anchor ` : W [ workframe ] ; ;
let top_window = openTk ( ) in try mainLoop ( ) with Sys . Break -> prerr_endline " EXIT " ; ( ) ; ;
type ts_point = Tree_sitter_output_t . position = { row : int ; column : int ; }
module Parser = struct type t = ts_parser external parse_string : ts_parser -> string -> ts_tree = " octs_parser_parse_string " type read_function = int -> int -> int -> string option external parse : ts_parser -> ts_tree option -> read_function -> ts_tree = " octs_parser_parse " let parse_read_function = ( ref ( fun _ _ _ -> None ) : read_function ref ) let parse_read ( byte_offset : int ) ( row : int ) ( col : int ) = ! parse_read_function byte_offset row col let parse ( parser : t ) ( tree : ts_tree option ) read_function = parse_read_function := read_function ; parse parser tree parse_read let ( ) = Callback . register " octs__parse_read " parse_read end
module Tree = struct type t = ts_tree external root_node : ts_tree -> ts_node = " octs_tree_root_node " external edit : ts_tree -> int -> int -> int -> int -> int -> int -> ts_tree = " octs_tree_edit_bytecode " " octs_tree_edit_native " external delete : ts_tree -> unit = " octs_tree_delete " end
module Point = struct type t = ts_point end
module Node = struct external string : ts_node -> string = " octs_node_string " external child_count : ts_node -> int = " octs_node_child_count " external child : ts_node -> int -> ts_node = " octs_node_child " external parent : ts_node -> ts_node = " octs_node_parent " external named_child_count : ts_node -> int = " octs_node_named_child_count " external named_child : ts_node -> int -> ts_node = " octs_node_named_child " external bounded_named_index : ts_node -> int = " octs_node_bounded_named_index " external named_index : ts_node -> int = " octs_node_named_index " external index : ts_node -> int = " octs_node_index " external descendant_for_point_range : ts_node -> int -> int -> int -> int -> ts_node = " octs_node_descendant_for_point_range " external start_byte : ts_node -> int = " octs_node_start_byte " external end_byte : ts_node -> int = " octs_node_end_byte " external start_point : ts_node -> ts_point = " octs_node_start_point " external end_point : ts_node -> ts_point = " octs_node_end_point " external has_changes : ts_node -> bool = " octs_node_has_changes " external has_error : ts_node -> bool = " octs_node_has_error " external is_missing : ts_node -> bool = " octs_node_is_missing " external is_null : ts_node -> bool = " octs_node_is_null " external is_named : ts_node -> bool = " octs_node_is_named " external is_error : ts_node -> bool = " octs_node_is_error " external is_extra : ts_node -> bool = " octs_node_is_extra " external symbol : ts_node -> int = " octs_node_symbol " external type_ : ts_node -> string = " octs_node_type " end
type error_class = { parent : node_kind ; left_sibling : node_kind option ; first_child : node_kind option ; }
type t = { kind : Tree_sitter_error_t . error_kind ; msg : string ; file : Src_file . info ; start_pos : position ; end_pos : position ; substring : string ; snippet : Snippet . t ; error_class : error_class option ; }
let string_of_node_kind ( x : node_kind ) = match x with \| Literal s -> sprintf " % S " s \| Name s -> s \| Error -> " ERROR "
let string_of_node ( x : node ) = let node_kind = string_of_node_kind x . kind in match x . children with \| None -> sprintf " node type : % s " node_kind \| Some children -> sprintf " \ % s ] " node_kind ( List . map ( fun ( x : node ) -> sprintf " % s \ n " ( string_of_node_kind x . kind ) ) children \|> String . concat " " )
let string_of_error_class ( x : error_class ) = let parent = sprintf " parent : % s " ( string_of_node_kind x . parent ) in let left_sibling = match x . left_sibling with \| None -> " , no left sibling " \| Some x -> sprintf " , left sibling : % s " ( string_of_node_kind x ) in let first_child = match x . first_child with \| None -> " , no children " \| Some x -> sprintf " , first child : % s " ( string_of_node_kind x ) in parent ^ left_sibling ^ first_child
let rec find_left_sibling ( children : node list ) target_node = match children with \| left :: node :: _ when node == target_node -> Some left . kind \| node :: _ when node == target_node -> None \| _ :: xs -> find_left_sibling xs target_node \| [ ] -> assert false
let error_class_of_node ( ~ parent : node option ) node = match parent with \| None -> None \| Some { children = None ; _ } -> assert false \| Some { kind ; children = Some children ; _ } -> let left_sibling = find_left_sibling children node in let first_child = match node . children with \| None \| Some [ ] -> None \| Some ( x :: _ ) -> Some x . kind in Some { parent = kind ; left_sibling ; first_child ; }
let create kind src ? parent node msg = let msg = sprintf " \ % s % s " ( string_of_node node ) msg in let start_pos = node . start_pos in let end_pos = node . end_pos in { kind ; msg ; file = Src_file . info src ; start_pos ; end_pos ; substring = Src_file . get_region src start_pos end_pos ; snippet = Snippet . extract src ~ start_pos ~ end_pos ; error_class = error_class_of_node ~ parent node ; }
let fail kind src node msg = raise ( Error ( create kind src node msg ) )
let external_error src node msg = fail External src node msg
let internal_error src node msg = fail Internal src node msg
let string_of_file_info ( src_info : Src_file . info ) = match src_info . path with \| Some path -> sprintf " File % s " path \| None -> src_info . name
let to_string ( ? color = false ) ( err : t ) = let start = err . start_pos in let end_ = err . end_pos in let loc = let src_name = string_of_file_info err . file in if start . row = end_ . row then sprintf " % s , line % i , characters % i -% i " : src_name ( start . row + 1 ) start . column end_ . column else sprintf " % s , line % i , character % i to line % i , character % i " : src_name ( start . row + 1 ) start . column ( end_ . row + 1 ) end_ . column in let error_class = match err . error_class with \| None -> " " \| Some x -> sprintf " % s \ n " ( string_of_error_class x ) in sprintf " \ % s % s % s % s " loc ( Snippet . format ~ color err . snippet ) error_class err . msg
let to_json_error ( x : t ) : Tree_sitter_error_t . json_error = { kind = x . kind ; msg = x . msg ; file = x . file . name ; start_pos = x . start_pos ; end_pos = x . end_pos ; substring = x . substring ; error_class = Option . map string_of_error_class x . error_class ; }
let log_json_errors out_file errors = let oc = open_out_gen [ Open_creat ; Open_text ; Open_append ] 0o666 out_file in Fun . protect ~ finally ( : fun ( ) -> close_out_noerr oc ) ( fun ( ) -> List . iter ( fun err -> let simplified_err = to_json_error err in let json = Tree_sitter_error_j . string_of_json_error simplified_err in fprintf oc " % s \ n " json ) errors )
let rec of_ts_node get_node_id ts_node = let id = get_node_id ( ) in let type_ = Node . type_ ts_node in let start_pos = Node . start_point ts_node in let end_pos = Node . end_point ts_node in let children = read_children get_node_id ts_node in let kind = match type_ with \| " ERROR " -> Error \| _ -> match children with \| None -> Literal type_ \| Some _ -> Name type_ in { type_ ; start_pos ; end_pos ; children ; kind ; id ; } if Node . is_named ts_node then match Node . child_count ts_node with \| 0 -> Some [ ] \| child_count -> Some ( List . init child_count ( fun i -> of_ts_node get_node_id ( Node . child ts_node i ) ) ) else None
let of_ts_tree ts_tree = let root = Tree . root_node ts_tree in let counter = ref ( - 1 ) in let get_node_id ( ) = incr counter ; ! counter in let res = of_ts_node get_node_id root in Tree . delete ts_tree ; res
let to_json ( ? pretty = false ) node = let compact_json = Tree_sitter_output_j . string_of_node node in if pretty then Yojson . Safe . prettify compact_json else compact_json
type t = { src : Src_file . t ; root : Tree_sitter_output_t . node }
let src x = x . src
let root x = x . root
let set_missing_fields root_node = let open Tree_sitter_output_t in let counter = ref ( - 1 ) in let create_id ( ) = incr counter ; ! counter in let rec map node = let id = create_id ( ) in assert ( id >= 0 ) ; let children = Option . map ( List . map map ) node . children in let kind = match children with \| None -> Literal node . type_ \| Some _ -> Name node . type_ in { node with id ; children ; kind } in map root_node
let parse_json_file json_file = Atdgen_runtime . Util . Json . from_file Tree_sitter_output_j . read_node json_file \|> set_missing_fields
let load_json_file ~ src_file ~ json_file = let root = parse_json_file json_file in let src = Src_file . load_file src_file in { src ; root }
let parse_source_string ? src_file ts_parser src_data = let src = Src_file . load_string ? src_file src_data in let root = Tree_sitter_API . Parser . parse_string ts_parser src_data \|> Tree_sitter_output . of_ts_tree in { src ; root }
let parse_source_file ts_parser src_file = let src_data = Util_file . read_file src_file in parse_source_string ~ src_file ts_parser src_data
let print src = Tree_sitter_dump . to_stdout [ src . root ]
type ' a binary_tree = \| Empty \| Node of ' a * ' a binary_tree * ' a binary_tree
let rec tree_string = function \| Empty -> " " \| Node ( x , Empty , Empty ) -> Char . escaped x \| Node ( x , left , right ) -> ( Char . escaped x ) ^ " ( " ^ tree_string left ^ " , " ^ tree_string right ^ " ) "

let string_of_tree t = let buf = Buffer . create 16 in let rec to_string indent = let child_to_string continue_indentation mark x = Buffer . add_char buf ' \ n ' ; Buffer . add_string buf indent ; Buffer . add_string buf mark ; to_string ( indent ^ continue_indentation ) x in let rec children_to_string = function | [ x ] -> child_to_string " " " └─ " x | x :: xs -> child_to_string " │ " " ├─ " x ; children_to_string xs | [ ] -> ( ) in function | Tree ( x , children ) -> Buffer . add_string buf x ; children_to_string children in to_string " " t ; Buffer . contents buf

let asy_of_tree t = let buf = Buffer . create 256 in let rec go root k ( Tree ( x , ts ) ) = let name = if root = " " then " node " else root ^ " _ " ^ string_of_int k in Buffer . add_string buf ( Printf . sprintf " TreeNode % s = nodeGM ( % s " \% s " \% s ) ; \ n " name ( if root = " " then " " else root ^ " , " ) x " " ) ; ignore ( List . fold_left ( fun n t -> go name n t ; n + 1 ) 1 ts ) in go " " 0 t ; Printf . sprintf " import drawtree ; treeLevelStep = 30mm ; treeNodeStep = 2mm ; TreeNode nodeGM ( TreeNode parent = null , Label label , pen coul1 = 1bp + gray , pen coul2 = paleblue ) { frame f ; roundbox ( f , label , xmargin = 1 . 5mm , filltype = FillDraw ( fillpen = coul2 , drawpen = coul1 ) ) ; return makeNode ( parent , f ) ; } % s draw ( node , ( 0 , 0 ) ) ; " ( Buffer . contents buf )

let dot_of_tree name t = let buf = Buffer . create 256 in let rec go name ( Tree ( x , ts ) ) = Buffer . add_string buf ( Printf . sprintf " % s [ label " =\% s " ] ; \\ n " name x ) ; ignore ( List . fold_left ( fun n t -> let name ' = name ^ " _ " ^ string_of_int n in go name ' t ; Buffer . add_string buf ( Printf . sprintf " % s -> % s [ arrowhead = none ] ; \ n " name name ' ) ; n + 1 ) 1 ts ) in go " n " t ; Printf . sprintf " digraph % s { % s } " name ( Buffer . contents buf )

let str_replace c1 c2 str = try let i = String . index str c1 in let s = Bytes . of_string str in Bytes . set s i c2 ; Bytes . to_string s with Not_found -> str

let box_node x = Box . frame ( Box . line ( str_replace ' ' : ' \ n ' x ) )

let rec box_of_tree = function | Tree ( x , [ ] ) -> box_node x | Tree ( x , ts ) -> Box . connect ( box_node x ) ( List . map box_of_tree ts )

module type ATOM = sig type t val t : t Irmin . Type . t val compare : t -> t -> int val to_string : t -> string val of_string : string -> t end

module Make ( Atom : ATOM ) = struct type atom = Atom . t type node = { l : t ; v : atom ; r : t } and t = | N | B of node type dir = L | R type path = dir list let blank = N let rec insert t path x = match ( path , t ) with | ( [ ] , N ) -> B { l = N ; v = x ; r = N } | ( L :: path ' , B { l = lt ; v = y ; r = rt } ) -> let lt ' = insert lt path ' x in B { l = lt ' ; v = y ; r = rt } | ( R :: path ' , B { l = lt ; v = y ; r = rt } ) -> let rt ' = insert rt path ' x in B { l = lt ; v = y ; r = rt ' } | _ -> failwith " Unexpected path for insertion " let rec insert_left t x = match t with | N -> B { l = N ; v = x ; r = N } | B { l = t1 ; v = v ' ; r = t2 } -> insert_left t1 x let rec update t path x = match ( path , t ) with | ( [ ] , B { l = lt ; v = y ; r = rt } ) -> B { l = lt ; v = x ; r = rt } | ( L :: path ' , B { l = lt ; v = y ; r = rt } ) -> let lt ' = update lt path ' x in B { l = lt ' ; v = y ; r = rt } | ( R :: path ' , B { l = lt ; v = y ; r = rt } ) -> let rt ' = update rt path ' x in B { l = lt ; v = y ; r = rt ' } | _ -> failwith " Unexpected path for modification " let rec in_order_iter f = function | N -> ( ) | B { l = lt ; v = y ; r = rt } -> ( in_order_iter f lt ; f y ; in_order_iter f rt ) let rec of_array arr low high = if low > high then N else let mid = low + ( ( high - low + 1 ) / 2 ) in let lt = of_array arr low ( mid - 1 ) in let rt = of_array arr ( mid + 1 ) high in B { l = lt ; v = arr . ( mid ) ; r = rt } let of_list = function | [ ] -> N | l -> of_array ( Array . of_list l ) 0 @@ ( List . length l ) - 1 exception MergeConflict let rec merge3 old v1 v2 = if v1 = v2 then v1 else if v1 = old then v2 else if v2 = old then v1 else match ( old , v1 , v2 ) with | ( N , B _ , N ) -> v1 | ( N , N , B _ ) -> v2 | ( N , B { l = lt1 ; v = x1 ; r = rt1 } , B { l = lt2 ; v = x2 ; r = rt2 } ) -> if x1 = x2 then B { l = merge3 N lt1 lt2 ; v = x1 ; r = merge3 N rt1 rt2 } else raise MergeConflict | ( B { l = lt ; v = x ; r = rt } , B { l = lt1 ; v = x1 ; r = rt1 } , B { l = lt2 ; v = x2 ; r = rt2 } ) -> let lt ' ( ) = merge3 lt lt1 lt2 in let rt ' ( ) = merge3 rt rt1 rt2 in if ( x1 = x2 ) then B { l = lt ' ( ) ; v = x1 ; r = rt ' ( ) } else if ( x1 = x ) then B { l = lt ' ( ) ; v = x2 ; r = rt ' ( ) } else if ( x2 = x ) then B { l = lt ' ( ) ; v = x1 ; r = rt ' ( ) } else raise MergeConflict | ( B _ , N , _ ) | ( B _ , _ , N ) -> failwith " Impossible ; with tombstones , branch cannot be deleted . " | ( N , N , N ) -> N end

let select_sandbox_item = let icon = ` LightDark Vscode . TreeItem . LightDarkIcon . { light = ` String ( Path . asset " collection - light . svg " |> Path . to_string ) ; dark = ` String ( Path . asset " collection - dark . svg " |> Path . to_string ) } in let label = ` TreeItemLabel ( Vscode . TreeItemLabel . create ~ label " : Select a Sandbox " ( ) ) in let item = Vscode . TreeItem . make_label ~ label ( ) in let command = Vscode . Command . create ~ title " : Select a Sandbox " ~ command " : ocaml . select - sandbox " ( ) in Vscode . TreeItem . set_iconPath item icon ; Vscode . TreeItem . set_command item command ; item

let terminal_item = let icon = ` LightDark Vscode . TreeItem . LightDarkIcon . { light = ` String ( Path . asset " terminal - light . svg " |> Path . to_string ) ; dark = ` String ( Path . asset " terminal - dark . svg " |> Path . to_string ) } in let label = ` TreeItemLabel ( Vscode . TreeItemLabel . create ~ label " : Open a sandboxed terminal " ( ) ) in let item = Vscode . TreeItem . make_label ~ label ( ) in let command = Vscode . Command . create ~ title " : Open a sandboxed terminal " ~ command " : ocaml . open - terminal " ( ) in Vscode . TreeItem . set_iconPath item icon ; Vscode . TreeItem . set_command item command ; item

let items = [ select_sandbox_item ; terminal_item ]

let getTreeItem ~ element = ` Value element

let getChildren ? element ( ) = match element with | None -> ` Value ( Some items ) | Some _ -> ` Value ( Some [ ] )

let register extension = let module TreeDataProvider = Vscode . TreeDataProvider . Make ( Vscode . TreeItem ) in let treeDataProvider = TreeDataProvider . create ~ getTreeItem ~ getChildren ( ) in let disposable = Vscode . Window . registerTreeDataProvider ( module Vscode . TreeItem ) ~ viewId " : ocaml - commands " ~ treeDataProvider in Vscode . ExtensionContext . subscribe extension ~ disposable

let discord_item = let icon = ` LightDark Vscode . TreeItem . LightDarkIcon . { light = ` String ( Path . asset " discord - light . svg " |> Path . to_string ) ; dark = ` String ( Path . asset " discord - dark . svg " |> Path . to_string ) } in let label = ` TreeItemLabel ( Vscode . TreeItemLabel . create ~ label " : Chat on Discord " ( ) ) in let item = Vscode . TreeItem . make_label ~ label ( ) in let command = Vscode . Command . create ~ title " : Open " ~ command " : vscode . open " ~ arguments : [ Vscode . Uri . parse " https :// discord . gg / cCYQbqN " ( ) |> Vscode . Uri . t_to_js ] ( ) in Vscode . TreeItem . set_iconPath item icon ; Vscode . TreeItem . set_command item command ; item

let discuss_item = let icon = ` LightDark Vscode . TreeItem . LightDarkIcon . { light = ` String ( Path . asset " chat - light . svg " |> Path . to_string ) ; dark = ` String ( Path . asset " chat - dark . svg " |> Path . to_string ) } in let label = ` TreeItemLabel ( Vscode . TreeItemLabel . create ~ label " : Ask a question on Discuss " ( ) ) in let item = Vscode . TreeItem . make_label ~ label ( ) in let command = Vscode . Command . create ~ title " : Open " ~ command " : vscode . open " ~ arguments : [ Vscode . Uri . parse " https :// discuss . ocaml . org " / ( ) |> Vscode . Uri . t_to_js ] ( ) in Vscode . TreeItem . set_iconPath item icon ; Vscode . TreeItem . set_command item command ; item

let github_item = let icon = ` LightDark Vscode . TreeItem . LightDarkIcon . { light = ` String ( Path . asset " github - light . svg " |> Path . to_string ) ; dark = ` String ( Path . asset " github - dark . svg " |> Path . to_string ) } in let label = ` TreeItemLabel ( Vscode . TreeItemLabel . create ~ label " : Open an issue on Github " ( ) ) in let item = Vscode . TreeItem . make_label ~ label ( ) in let command = Vscode . Command . create ~ title " : Open " ~ command " : vscode . open " ~ arguments : [ Vscode . Uri . parse " https :// github . com / ocamllabs / vscode - ocaml - platform " ( ) |> Vscode . Uri . t_to_js ] ( ) in Vscode . TreeItem . set_iconPath item icon ; Vscode . TreeItem . set_command item command ; item

let items = [ discord_item ; discuss_item ; github_item ]

let getTreeItem ~ element = ` Value element

let getChildren ? element ( ) = match element with | None -> ` Value ( Some items ) | Some _ -> ` Value ( Some [ ] )

let register extension = let module TreeDataProvider = Vscode . TreeDataProvider . Make ( Vscode . TreeItem ) in let treeDataProvider = TreeDataProvider . create ~ getTreeItem ~ getChildren ( ) in let disposable = Vscode . Window . registerTreeDataProvider ( module Vscode . TreeItem ) ~ viewId " : ocaml - help " ~ treeDataProvider in Vscode . ExtensionContext . subscribe extension ~ disposable

module Dependency = struct type t = Sandbox . Package . t let t_of_js : Ojs . t -> t = Stdlib . Obj . magic let t_to_js : t -> Ojs . t = Stdlib . Obj . magic let label t = Sandbox . Package . name t let description t = Promise . return ( Some ( Sandbox . Package . version t ) ) let tooltip t = Sandbox . Package . synopsis t let context_value t = match Sandbox . Package . documentation t with | Some _ -> " package - with - doc " | None -> " package " let icon _ = TreeItem . LightDarkIcon . { light = ` String ( Path . asset " number - light . svg " |> Path . to_string ) ; dark = ` String ( Path . asset " number - dark . svg " |> Path . to_string ) } let collapsible_state t = if Sandbox . Package . has_dependencies t then TreeItemCollapsibleState . Collapsed else TreeItemCollapsibleState . None let to_treeitem dependency = let open Promise . Syntax in let icon = ` LightDark ( icon dependency ) in let collapsibleState = collapsible_state dependency in let label = ` TreeItemLabel ( Vscode . TreeItemLabel . create ~ label ( : label dependency ) ( ) ) in let item = Vscode . TreeItem . make_label ~ label ~ collapsibleState ( ) in Vscode . TreeItem . set_iconPath item icon ; TreeItem . set_contextValue item ( context_value dependency ) ; let + _ = Promise . Option . iter ( fun desc -> TreeItem . set_description item ( ` String desc ) ) ( description dependency ) in Option . iter ( tooltip dependency ) ~ f ( : fun desc -> TreeItem . set_tooltip item ( ` String desc ) ) ; item let get_dependencies t = let open Promise . Syntax in let + deps = Sandbox . Package . dependencies t in match deps with | Error _ -> None | Ok packages -> Some packages end

module Command = struct let _open_documentation = let handler ( _ : Extension_instance . t ) ~ args = let ( _ : unit Promise . t ) = let arg = List . hd_exn args in let dep = Dependency . t_of_js arg in let open Promise . Syntax in let doc = Sandbox . Package . documentation dep in match doc with | None -> Promise . return ( ) | Some doc -> let + _ = Vscode . Commands . executeCommand ~ command " : vscode . open " ~ args [ : Vscode . Uri . parse doc ( ) |> Vscode . Uri . t_to_js ] in ( ) in ( ) in Extension_commands . register ~ id : Extension_consts . Commands . open_sandbox_documentation handler let _generate_documentation = let handler ( instance : Extension_instance . t ) ~ args = let ( _ : unit Promise . t ) = let open Promise . Syntax in let sandbox = Extension_instance . sandbox instance in let * odig = Odig . of_sandbox sandbox in match odig with | Error error -> show_message ` Error " % s " error ; Promise . resolve ( ) | Ok odig -> ( let arg = List . hd_exn args in let dep = Dependency . t_of_js arg in let package_name = Sandbox . Package . name dep in let options = ProgressOptions . create ~ location ( ` : ProgressLocation Notification ) ~ title : ( Printf . sprintf " Generating documentation for % s " package_name ) ~ cancellable : false ( ) in let task ~ progress : _ ~ token : _ = Odig . odoc_exec odig ~ sandbox ~ package_name in let * result = Vscode . Window . withProgress ( module Interop . Js . Result ( Interop . Js . Unit ) ( Interop . Js . String ) ) ~ options ~ task in match result with | Error _ -> show_message ` Error " Documentation could not be generated for % s . It might be \ because this package has no documentation . " package_name ; Promise . resolve ( ) | Ok _ -> ( let + server = let html_dir = Odig . html_dir odig in Extension_instance . start_documentation_server instance ~ path : html_dir in match server with | Error ( ) -> ( ) | Ok server -> let ( _ : Ojs . t option Promise . t ) = let port = Documentation_server . port server in let host = Documentation_server . host server in Vscode . Commands . executeCommand ~ command " : simpleBrowser . show " ~ args : [ Ojs . string_to_js ( Printf . sprintf " http ://% s :% i /% s / index . html " host port package_name ) ] in ( ) ) ) in ( ) in Extension_commands . register ~ id : Extension_consts . Commands . generate_sandbox_documentation handler let _uninstall = let handler ( instance : Extension_instance . t ) ~ args = let ( _ : unit Promise . t ) = let arg = List . hd_exn args in let dep = Dependency . t_of_js arg in let message = Printf . sprintf " Are you sure you want to uninstall package % s " ? ( Dependency . label dep ) in with_confirmation message ~ yes " : Uninstall package " @@ fun ( ) -> let open Promise . Syntax in let sandbox = Extension_instance . sandbox instance in Sandbox . focus_on_package_command ~ sandbox ( ) ; let + ( ) = Sandbox . uninstall_packages sandbox [ dep ] in let ( _ : Ojs . t option Promise . t ) = Vscode . Commands . executeCommand ~ command : Extension_consts . Commands . refresh_switches ~ args [ ] : in let ( _ : Ojs . t option Promise . t ) = Vscode . Commands . executeCommand ~ command : Extension_consts . Commands . refresh_sandbox ~ args [ ] : in ( ) in ( ) in Extension_commands . register ~ id : Extension_consts . Commands . uninstall_sandbox_package handler let _upgrade = let handler ( instance : Extension_instance . t ) ~ args : _ = let ( _ : unit Promise . t ) = let open Promise . Syntax in let sandbox = Extension_instance . sandbox instance in Sandbox . focus_on_package_command ~ sandbox ( ) ; let + ( ) = Sandbox . upgrade_packages sandbox in let ( _ : Ojs . t option Promise . t ) = Vscode . Commands . executeCommand ~ command : Extension_consts . Commands . refresh_switches ~ args [ ] : in let ( _ : Ojs . t option Promise . t ) = Vscode . Commands . executeCommand ~ command : Extension_consts . Commands . refresh_sandbox ~ args [ ] : in ( ) in ( ) in Extension_commands . register ~ id : Extension_consts . Commands . upgrade_sandbox handler let ask_packages ( ) = let options = InputBoxOptions . create ~ prompt " : Install Packages " ~ placeHolder " : Type the packages names , separated with a space " ( ) in Window . showInputBox ~ options ( ) let _install = let handler ( instance : Extension_instance . t ) ~ args : _ = let ( _ : unit Promise . t ) = let open Promise . Syntax in let * package_str_opt = ask_packages ( ) in match package_str_opt with | None -> Promise . return ( ) | Some package_str -> let sandbox = Extension_instance . sandbox instance in let packages = String . split package_str ~ on ' : ' in Sandbox . focus_on_package_command ~ sandbox ( ) ; let + ( ) = Sandbox . install_packages sandbox packages in let ( _ : Ojs . t option Promise . t ) = Vscode . Commands . executeCommand ~ command : Extension_consts . Commands . refresh_switches ~ args [ ] : in let ( _ : Ojs . t option Promise . t ) = Vscode . Commands . executeCommand ~ command : Extension_consts . Commands . refresh_sandbox ~ args [ ] : in ( ) in ( ) in Extension_commands . register ~ id : Extension_consts . Commands . install_sandbox handler end

let getTreeItem ~ element = ` Promise ( Dependency . to_treeitem element )

let getChildren ~ instance ? element ( ) = let sandbox = Extension_instance . sandbox instance in match element with | Some element -> ` Promise ( Dependency . get_dependencies element ) | None -> let open Promise . Syntax in let items = let + packages = Sandbox . root_packages sandbox in match packages with | Ok packages -> Some packages | Error _ -> None in ` Promise items

let register extension instance = let getChildren = getChildren ~ instance in let module EventEmitter = Vscode . EventEmitter . Make ( Interop . Js . Or_undefined ( Dependency ) ) in let event_emitter = EventEmitter . make ( ) in let event = EventEmitter . event event_emitter in let module TreeDataProvider = Vscode . TreeDataProvider . Make ( Dependency ) in let treeDataProvider = TreeDataProvider . create ~ getTreeItem ~ getChildren ~ onDidChangeTreeData : event ( ) in let disposable = Vscode . Window . registerTreeDataProvider ( module Dependency ) ~ viewId " : ocaml - sandbox " ~ treeDataProvider in ExtensionContext . subscribe extension ~ disposable ; let disposable = Commands . registerCommand ~ command : Extension_consts . Commands . refresh_sandbox ~ callback ( : fun ~ args : _ -> EventEmitter . fire event_emitter None ) in ExtensionContext . subscribe extension ~ disposable

module Dependency = struct type t = | Package : Opam . Package . t -> t | Switch : Opam . t * Opam . Switch . t -> t let equals_opam_sandbox t sandbox = match ( t , sandbox ) with | Switch ( opam , switch ) , Sandbox . Opam ( opam_ , switch_ ) -> Opam . equal opam opam_ && Opam . Switch . equal switch switch_ | _ -> false let t_of_js : Ojs . t -> t = Stdlib . Obj . magic let t_to_js : t -> Ojs . t = Stdlib . Obj . magic let label = function | Switch ( _ , Named name ) -> name | Switch ( _ , Local path ) -> let name = Path . to_string path in name | Package dep -> Opam . Package . name dep let description = function | Switch ( opam , switch ) -> Opam . switch_compiler opam switch | Package dep -> Promise . return ( Some ( Opam . Package . version dep ) ) let tooltip = function | Switch ( _ , Named _ ) -> None | Switch ( _ , Local _ ) -> None | Package dep -> Opam . Package . synopsis dep let context_value = function | Switch _ -> " opam - switch " | Package dep -> ( match Opam . Package . documentation dep with | Some _ -> " package - with - doc " | None -> " package " ) let icon dependency is_current_sandbox = match dependency with | Switch _ -> let selected = if is_current_sandbox then " - selected " else " " in TreeItem . LightDarkIcon . { light = ` String ( Path . asset @@ " dependency - light " ^ selected ^ " . svg " |> Path . to_string ) ; dark = ` String ( Path . asset @@ " dependency - dark " ^ selected ^ " . svg " |> Path . to_string ) } | Package _ -> TreeItem . LightDarkIcon . { light = ` String ( Path . asset " number - light . svg " |> Path . to_string ) ; dark = ` String ( Path . asset " number - dark . svg " |> Path . to_string ) } let collapsible_state = let open Promise . Syntax in function | Switch ( opam , switch ) -> ( let + packages = Opam . switch_compiler opam switch in match packages with | None -> TreeItemCollapsibleState . None | Some ( _ : string ) -> Collapsed ) | Package dep -> Promise . return ( if Opam . Package . has_dependencies dep then TreeItemCollapsibleState . Collapsed else None ) let to_treeitem instance dependency = let open Promise . Syntax in let current_sandbox = Extension_instance . sandbox instance in let is_current_sandbox = equals_opam_sandbox dependency current_sandbox in let icon = ` LightDark ( icon dependency is_current_sandbox ) in let * collapsibleState = collapsible_state dependency in let label = ` TreeItemLabel ( Vscode . TreeItemLabel . create ~ label ( : label dependency ) ( ) ) in let item = Vscode . TreeItem . make_label ~ label ~ collapsibleState ( ) in Vscode . TreeItem . set_iconPath item icon ; TreeItem . set_contextValue item ( context_value dependency ) ; let + ( ) = Promise . Option . iter ( fun desc -> TreeItem . set_description item ( ` String desc ) ) ( description dependency ) in Option . iter ( tooltip dependency ) ~ f ( : fun desc -> TreeItem . set_tooltip item ( ` String desc ) ) ; item let get_dependencies = let open Promise . Syntax in function | Switch ( opam , switch ) -> ( let * packages = Opam . root_packages opam switch in match packages with | Ok packages -> let names = packages |> List . map ~ f ( : fun n -> Package n ) in Promise . return ( Some names ) | Error err -> show_message ` Info " An error occurred while reading the switch dependencies : % s " err ; Promise . return None ) | Package pkg -> ( let + deps = Opam . Package . dependencies pkg in match deps with | Ok packages -> Some ( List . map ~ f ( : fun x -> Package x ) packages ) | Error e -> log " An error occurred while getting package dependencies . Package % s . \ Error % s " ( Opam . Package . name pkg ) e ; None ) end

module Command = struct let _remove_switch = let handler ( _ : Extension_instance . t ) ~ args = let ( _ : unit Promise . t ) = let arg = List . hd_exn args in let dep = Dependency . t_of_js arg in match dep with | Package _ -> Promise . return @@ show_message ` Warn " The selected item is not an opam switch . " | Switch ( opam , switch ) -> ( let message = Printf . sprintf " Are you sure you want to remove switch % s " ? ( Dependency . label dep ) in with_confirmation message ~ yes " : Remove switch " @@ fun ( ) -> let open Promise . Syntax in Sandbox . focus_on_package_command ( ) ; let + result = Opam . switch_remove opam switch |> Cmd . output in match result with | Error err -> show_message ` Error " % s " err | Ok _ -> let ( _ : Ojs . t option Promise . t ) = Vscode . Commands . executeCommand ~ command : Extension_consts . Commands . refresh_switches ~ args [ ] : in let ( _ : Ojs . t option Promise . t ) = Vscode . Commands . executeCommand ~ command : Extension_consts . Commands . refresh_sandbox ~ args [ ] : in show_message ` Info " The switch has been removed successfully . " ) in ( ) in Extension_commands . register ~ id : Extension_consts . Commands . remove_switch handler let _open_documentation = let handler ( _ : Extension_instance . t ) ~ args = let ( _ : unit Promise . t ) = let arg = List . hd_exn args in let dep = Dependency . t_of_js arg in match dep with | Switch _ -> Promise . return @@ show_message ` Warn " Cannot open documentation of a switch . " | Package pkg -> ( let open Promise . Syntax in let doc = Opam . Package . documentation pkg in match doc with | None -> Promise . return ( ) | Some doc -> let + ( _ : Ojs . t option ) = Vscode . Commands . executeCommand ~ command " : vscode . open " ~ args [ : Vscode . Uri . parse doc ( ) |> Vscode . Uri . t_to_js ] in ( ) ) in ( ) in Extension_commands . register ~ id : Extension_consts . Commands . open_switches_documentation handler end

let getTreeItem instance ~ element = ` Promise ( Dependency . to_treeitem instance element )

let getChildren ? opam ? element ( ) = match ( opam , element ) with | None , _ -> ` Value None | Some _ , Some element -> ` Promise ( Dependency . get_dependencies element ) | Some opam , None -> let open Promise . Syntax in let items = let + switches = Opam . switch_list opam in let items = List . map ~ f ( : fun switch -> Dependency . Switch ( opam , switch ) ) switches in Some items in ` Promise items

let register extension instance = let ( _ : unit Promise . t ) = let open Promise . Syntax in let + opam = Opam . make ( ) in let getChildren = getChildren ? opam in let getTreeItem = getTreeItem instance in let module EventEmitter = Vscode . EventEmitter . Make ( Interop . Js . Or_undefined ( Dependency ) ) in let event_emitter = EventEmitter . make ( ) in let event = EventEmitter . event event_emitter in let module TreeDataProvider = Vscode . TreeDataProvider . Make ( Dependency ) in let treeDataProvider = TreeDataProvider . create ~ getTreeItem ~ getChildren ~ onDidChangeTreeData : event ( ) in let disposable = Vscode . Window . registerTreeDataProvider ( module Dependency ) ~ viewId " : ocaml - switches " ~ treeDataProvider in ExtensionContext . subscribe extension ~ disposable ; let disposable = Commands . registerCommand ~ command : Extension_consts . Commands . refresh_switches ~ callback ( : fun ~ args : _ -> EventEmitter . fire event_emitter None ) in ExtensionContext . subscribe extension ~ disposable in ( )

module Filesys = struct let join_path path = if path = [ " " ] then " " / else String . concat " " / path let split_re = Str . regexp " " / let split_path s = Str . split split_re s let list path = let path_name = join_path path in let d = Unix . opendir path_name in let l = ref [ ] in try while true do l := e :: ! l done ; assert false with Unix . closedir d ; | err -> let is_directory path = let path_name = join_path path in try ( Unix . lstat path_name ) . Unix . st_kind = Unix . S_DIR with let is_container path = let path_name = join_path path in try ( Unix . stat path_name ) . Unix . st_kind = Unix . S_DIR with end ; ;

module Filetree_dlg = struct open Lx_tree . Types ; ; open Tk ; ; open Widget ; ; type node = { path : string list ; } let some = function Some x -> x | None -> assert false let selected = ref [ ] let name_tv = lazy ( Textvariable . create ( ) ) let listbox = ref None let dir_label = ref None let ok_button = ref None let cb_enable_ok = ref ( fun _ -> true ) let update_ok_button ( ) = let dir = Filesys . join_path ! selected in let name = Textvariable . get ( Lazy . force name_tv ) in prerr_endline ( " Name : " ^ name ) ; let en = ! selected <> [ ] && name <> " " && Button . configure ~ state ( : if en then ` Normal else ` Disabled ) ( some ! ok_button ) let update_listbox d = let files = Filesys . list [ d ] in let reg_files = List . filter ( fun file -> not ( Filesys . is_container [ d ; file ] ) ) files in Listbox . delete ( some ! listbox ) ~ first ( ` : Num 0 ) ~ last ` : End ; Listbox . insert ( some ! listbox ) ~ index ` : End ~ texts : reg_files ; Label . configure ~ text ( : d ^ " " ) : ( some ! dir_label ) let node_action tw tree ev evinfo = selected := tree . node . path ; Lx_tree . update tw ; let dir = Filesys . join_path tree . node . path in update_listbox dir ; update_ok_button ( ) let display_node tw tree = let ( foreground , background ) = if tree . node . path = ! selected then else in Lx_tree . display_text ? foreground ? background ~ events [ : ` ButtonPress ] ~ action : node_action tree . node . name let rescan_node tw tree = let files = Filesys . list tree . node . path in let subnodes = List . map ) let dirs = List . filter let subtrees = List . map ) tree . children <- subtrees let rec make_tree_from_path ( ? loc = [ ] ) p = match p with | [ ] -> let open_dialog ( ? title = " Browse . . . " ) ( ? enable_ok = fun _ -> true ) parent = selected := [ ] ; Textvariable . set ( Lazy . force name_tv ) " " ; let top = Toplevel . create parent in Wm . transient_set top ~ master : parent ; Wm . title_set top title ; cb_enable_ok := enable_ok ; let l1 = Label . create ~ text " : Directories " : top in pack ~ anchor ` : W [ l1 ] ; let dir_tree = make_tree_from_path ( " " :: Filesys . split_path ( Sys . getcwd ( ) ) ) in dir_tree . node . name <- " < Root " ; > let tframe = Frame . create top in let tw = Lx_tree . create let sbar = Scrollbar . create ~ orient ` : Vertical tframe in let canvas = Lx_tree . canvas tw in Canvas . configure ~ yscrollcommand ( : Scrollbar . set sbar ) ~ relief ` : Sunken ~ borderwidth : 3 canvas ; Scrollbar . configure ~ command ( : Canvas . yview canvas ) sbar ; pack ~ side ` : Left ~ fill ` : Both ~ expand : true [ canvas ] ; pack ~ side ` : Left ~ fill ` : Y [ sbar ] ; pack ~ anchor ` : W ~ fill ` : X [ tframe ] ; let lab = Label . create ~ text ( " : " ) top in let lbf = Frame . create top in let lb = Listbox . create ~ height : 10 ~ font " : fixed " ~ exportselection : false let lbs = Scrollbar . create lbf in Listbox . configure ~ yscrollcommand ( : Scrollbar . set lbs ) lb ; Scrollbar . configure ~ command ( : Listbox . yview lb ) lbs ; pack ~ anchor ` : W [ lab ] ; pack ~ anchor ` : W ~ fill ` : X [ lbf ] ; pack ~ side ` : Left ~ expand : true ~ fill ` : X [ lb ] ; pack ~ side ` : Left ~ fill ` : Y [ lbs ] ; listbox := Some lb ; dir_label := Some lab ; let lab ' = Label . create ~ text " : Filename " : top in let ent = Entry . create ~ font " : fixed " pack ~ anchor ` : W [ lab ' ] ; pack ~ anchor ` : W ~ fill ` : X [ ent ] ; Tk . bind ~ events [ : ` ButtonReleaseDetail 1 ] ~ action ( : fun _ -> lb ; Tk . bind ~ events [ : ` KeyPress ] ~ action ( : fun _ -> ent ; let result = ref None in let buttons = Frame . create top in let ok_b = Button . create ~ text " : OK " let cancel_b = Button . create ~ text " : Cancel " pack ~ expand : true ~ fill ` : X [ buttons ] ; pack ~ side ` : Left [ ok_b ; cancel_b ] ; ok_button := Some ok_b ; Grab . set top ; Tkwait . window top ; ! result end ; ;

module S = struct type t = string let compare = compare end ; ;

module StringSet = Set . Make ( S ) ; ;

type filetype = Regular | Directory | Absent ; ;

type node = { path : string list ; name : string ; mutable is_dir : bool ; mutable selected : bool ; mutable realtype : filetype ; } ; ;

type file_tree = node tree ; ;

type state = { mutable current_directory : string ; mutable list_file : string ; mutable tree_widget : node tree_widget option ; mutable info_widget : label widget option ; mutable dir_context_menu : menu widget option ; mutable dir_context_suffix_menu : menu widget option ; mutable dir_context_unsuffix_menu : menu widget option ; mutable file_context_menu : menu widget option ; mutable context_menu_tree : node tree ; mutable modified : bool ; topwdg : toplevel widget ; workframe : frame widget ; directory_xpm : image ; selected_xpm : image ; unselected_xpm : image ; mutable display : node tree_widget -> file_tree -> node display_item ; } ; ;

let dummy_tree = { node = { path = [ ] ; children = [ ] ; show = false ; scanned = false ; interactive = false ; } ; ;

let rescan_node tw tree = let files = Filesys . list tree . node . path in let missing_files = List . map ( fun child -> child . node . name ) ( List . filter ) in let all_files = List . sort compare ( files @ missing_files ) in let old_children = tree . children in let new_children = List . map ( fun filename -> ) all_files in List . iter ( fun child -> child . node . realtype <- if List . mem child . node . name files then ) new_children ; tree . children <- new_children ; ;

let rec selected_files_exist tree = tree . node . selected || selected_files_exist_in_children tree List . exists selected_files_exist tree . children ; ;

let rec expand ( ? all = false ) tw tree = let show = tree . node . is_dir && ( all || selected_files_exist_in_children tree ) in tree . show <- tree . show || show ; if show then rescan_node tw tree ; List . iter ( fun child -> expand ~ all tw child ) tree . children ; ;

let rec collapse tw tree = tree . show <- false ; List . iter ( fun child -> collapse tw child ) tree . children ; ;

let suffix_re = Str . regexp " . [ . ] " ; ; \\^+$

let rec find_suffixes ( ? recursive = false ) tw tree = assert ( tree . node . is_dir ) ; rescan_node tw tree ; tree . show <- true ; let files = List . map ( fun ch -> ch . node . name ) tree . children in let suff = List . filter ( fun s -> ) ( List . map ) in let suff_set = ref ( StringSet . empty ) in List . iter ( fun s -> suff_set := StringSet . add s ! suff_set ) suff ; if recursive then begin List . iter ( fun child -> ) tree . children end ; ! suff_set ; ;

let rec select_suffixes ( ? recursive = false ) ( ? unselect = false ) suffix tree = prerr_endline " select_suffixes " ; List . iter ( fun child -> let child_suff = in if child_suff = suffix && not ( child . node . is_dir ) then if recursive && child . node . is_dir then ) tree . children ; ;

let rec select_all ( ? recursive = false ) ( ? unselect = false ) tree = prerr_endline " select_all " ; List . iter ( fun child -> if not ( child . node . is_dir ) then if recursive && child . node . is_dir then ) tree . children ; ;

let set_suffix_menu ? unselect tw menu tree = Menu . delete menu ~ first ( ` : Num 0 ) ~ last ` : End ; let suffixes = find_suffixes tw tree in StringSet . iter ( fun s -> Menu . add_command ~ label : s ~ command ( : fun ( ) -> ) suffixes ; ;

let node_action st tw tree ev evinfo = match ( ev : Lx_spots . supported_event ) with ` ButtonPress -> ) end | ` Enter -> end | ` Leave -> end | _ -> ( ) ; ;

let display_node st = let node_action_st = node_action st in fun tw tree -> let node = tree . node in let image = if node . is_dir then st . directory_xpm else else in let foreground = match ( node . realtype , node . is_dir ) with in let events = [ ` ButtonPress ; ` Enter ; ` Leave ] in Lx_tree . display_text ~ image ~ events ~ action : node_action_st ? foreground node . name ; ;

let neutral_frame wdg = Frame . create ~ highlightthickness : 0 ~ borderwidth : 0 wdg ; ;

let save st = let rec write_file file path tree = let full_name = if path = " " then tree . node . name else in if not tree . node . is_dir && tree . node . selected then begin output_string file full_name ; output_string file " \ n " ; end ; List . iter ( fun child -> write_file file full_name child ) tree . children in match st . tree_widget with Some tw -> | None -> ( ) ; ;

let q_save st = if st . modified then begin let choice = Dialog . create ~ parent : st . topwdg ~ title " : Save " ? ~ message " : The current tree is modified . Save it to disk " ? ~ buttons [ : " Yes " ; " No " ; " Cancel " ] ( ) in match choice with | 1 -> true | 2 -> false end else true ; ;

let drop st = st . list_file <- " " ; st . modified <- false ; Frame . configure ~ width : 400 ~ height : 600 st . workframe ; List . iter destroy ( Winfo . children st . workframe ) ; st . tree_widget <- None ; ;

let create_work_tree st top_node = let tree_frame = neutral_frame st . workframe in let info_frame = neutral_frame st . workframe in let sbar = Scrollbar . create ~ orient ` : Vertical tree_frame in let info_label = Label . create ~ highlightthickness : 0 ~ borderwidth : 0 ~ justify ` : Left ~ text " : " info_frame in pack ~ anchor ` : W ~ ipady : 4 ~ ipadx : 4 ~ side ` : Left [ info_label ] ; let width = Winfo . reqwidth st . workframe - Winfo . reqwidth sbar in let height = Winfo . reqheight st . workframe - Winfo . reqwidth info_label - 14 in let tw = Lx_tree . create let canvas = Lx_tree . canvas tw in Canvas . configure ~ yscrollcommand ( : Scrollbar . set sbar ) canvas ; Scrollbar . configure ~ command ( : Canvas . yview canvas ) sbar ; Canvas . configure ~ highlightthickness : 0 canvas ; pack ~ side ` : Left ~ fill ` : Both ~ expand : true [ canvas ] ; pack ~ side ` : Left ~ fill ` : Y [ sbar ] ; pack ~ anchor ` : W [ tree_frame ; info_frame ] ; st . tree_widget <- Some tw ; st . info_widget <- Some info_label ; let dcm = Menu . create ~ tearoff : false st . workframe in let dcm_suffix = Menu . create ~ tearoff : false dcm in let dcm_unsuffix = Menu . create ~ tearoff : false dcm in Menu . add_cascade ~ label " : Select by suffix " ~ menu : dcm_suffix dcm ; Menu . add_cascade ~ label " : Unselect by suffix " ~ menu : dcm_unsuffix dcm ; Menu . add_command ~ label " : Select all files " ~ command ( : fun ( ) -> dcm ; Menu . add_command ~ label " : Unselect all files " ~ command ( : fun ( ) -> dcm ; Menu . add_separator dcm ; Menu . add_command ~ label " : Rescan directory " ~ command ( : fun ( ) -> Menu . add_separator dcm ; Menu . add_command ~ label " : Expand all " ~ command ( : fun ( ) -> Menu . add_command ~ label " : Expand as needed " ~ command ( : fun ( ) -> Menu . add_command ~ label " : Collapse " ~ command ( : fun ( ) -> st . dir_context_menu <- Some dcm ; st . dir_context_suffix_menu <- Some dcm_suffix ; st . dir_context_unsuffix_menu <- Some dcm_unsuffix ; ; ;

let file_new st ( ) = let enable_ok filename = not ( Sys . file_exists filename ) in if q_save st then begin match Filetree_dlg . open_dialog ~ title " : New tree " ~ enable_ok st . topwdg with | None -> end ; ;

let strip_ws_re = Str . regexp " [ ^ \ r \ n \ t ] ( . ) [ *\\*\\ \ r \ n \ t ] " ; ; *$

let strip_ws s = if Str . string_match strip_ws_re s 0 then Str . matched_group 1 s else assert false ; ;

let file_open st ( ) = let rec enter_path path node = match path with | [ ] -> in let rec read_file file initial_node = let line = strip_ws ( input_line file ) in if line = " " then read_file file initial_node else begin let path = Filesys . split_path line in enter_path path initial_node ; read_file file initial_node end in let enable_ok filename = Sys . file_exists filename in if q_save st then begin match Filetree_dlg . open_dialog ~ title " : Open tree " ~ enable_ok st . topwdg with | None -> end ; ;

let file_save st ( ) = save st ; ignore ( Dialog . create ~ parent : st . topwdg ~ title " : Saved " ~ message " : Tree saved . " ; ;

let file_quit st ( ) = if q_save st then destroy st . topwdg ; ;

let view_expand ? all st ( ) = match st . tree_widget with Some tw -> | None -> ( ) ; ;

let view_collapse st ( ) = match st . tree_widget with Some tw -> | None -> ( ) ; ;

let init_application top = let directory_xpm = Imagebitmap . create ~ file " : directory . xpm " ~ background ` : White ( ) in let selected_xpm = Imagebitmap . create ~ file " : selected . xpm " ~ background ` : White ( ) in let unselected_xpm = Imagebitmap . create ~ file " : unselected . xpm " ~ background ` : White ( ) in let workframe = Frame . create ~ width : 400 ~ height : 600 top in let st = { current_directory = Sys . getcwd ( ) ; list_file = " " ; tree_widget = None ; info_widget = None ; dir_context_menu = None ; dir_context_suffix_menu = None ; dir_context_unsuffix_menu = None ; file_context_menu = None ; context_menu_tree = dummy_tree ; modified = false ; workframe = workframe ; topwdg = top ; directory_xpm = directory_xpm ; selected_xpm = selected_xpm ; unselected_xpm = unselected_xpm ; display = ( fun _ _ -> Lx_tree . display_text " " ) ; } in st . display <- display_node st ; let menuframe = Frame . create ~ relief ` : Groove ~ borderwidth : 2 top in let file_mb = Menubutton . create ~ text " : File " menuframe in let file_m = Menu . create file_mb in Menu . add_command ~ label " : New Tree " ~ command ( : file_new st ) file_m ; Menu . add_command ~ label " : Open " ~ command ( : file_open st ) file_m ; Menu . add_command ~ label " : Check " file_m ; Menu . add_command ~ label " : Save " ~ command ( : file_save st ) file_m ; Menu . add_command ~ label " : Quit " ~ command ( : file_quit st ) file_m ; Menubutton . configure ~ menu : file_m file_mb ; Wm . protocol_set top ~ name " : WM_DELETE_WINDOW " ~ command ( : file_quit st ) ; Menu . add_command ~ label " : Select by suffix " edit_m ; Menu . add_command ~ label " : Select by regexp " edit_m ; Menu . add_command ~ label " : Select all " edit_m ; Menubutton . configure ~ menu : edit_m edit_mb ; ) * let view_mb = Menubutton . create ~ text " : View " menuframe in let view_m = Menu . create view_mb in Menu . add_command ~ label " : Expand all " ~ command ( : view_expand ~ all : true st ) view_m ; Menu . add_command ~ label " : Expand as needed " ~ command ( : view_expand st ) view_m ; Menu . add_command ~ label " : Collapse all " ~ command ( : view_collapse st ) view_m ; Menubutton . configure ~ menu : view_m view_mb ; pack ~ side ` : Left [ file_mb ; view_mb ] ; pack ~ anchor ` : W ~ fill ` : X [ menuframe ] ; pack ~ anchor ` : W [ workframe ] ; ;

let top_window = openTk ( ) in try mainLoop ( ) with Sys . Break -> prerr_endline " EXIT " ; ( ) ; ;

type ts_point = Tree_sitter_output_t . position = { row : int ; column : int ; }

module Parser = struct type t = ts_parser external parse_string : ts_parser -> string -> ts_tree = " octs_parser_parse_string " type read_function = int -> int -> int -> string option external parse : ts_parser -> ts_tree option -> read_function -> ts_tree = " octs_parser_parse " let parse_read_function = ( ref ( fun _ _ _ -> None ) : read_function ref ) let parse_read ( byte_offset : int ) ( row : int ) ( col : int ) = ! parse_read_function byte_offset row col let parse ( parser : t ) ( tree : ts_tree option ) read_function = parse_read_function := read_function ; parse parser tree parse_read let ( ) = Callback . register " octs__parse_read " parse_read end

module Tree = struct type t = ts_tree external root_node : ts_tree -> ts_node = " octs_tree_root_node " external edit : ts_tree -> int -> int -> int -> int -> int -> int -> ts_tree = " octs_tree_edit_bytecode " " octs_tree_edit_native " external delete : ts_tree -> unit = " octs_tree_delete " end

module Point = struct type t = ts_point end

module Node = struct external string : ts_node -> string = " octs_node_string " external child_count : ts_node -> int = " octs_node_child_count " external child : ts_node -> int -> ts_node = " octs_node_child " external parent : ts_node -> ts_node = " octs_node_parent " external named_child_count : ts_node -> int = " octs_node_named_child_count " external named_child : ts_node -> int -> ts_node = " octs_node_named_child " external bounded_named_index : ts_node -> int = " octs_node_bounded_named_index " external named_index : ts_node -> int = " octs_node_named_index " external index : ts_node -> int = " octs_node_index " external descendant_for_point_range : ts_node -> int -> int -> int -> int -> ts_node = " octs_node_descendant_for_point_range " external start_byte : ts_node -> int = " octs_node_start_byte " external end_byte : ts_node -> int = " octs_node_end_byte " external start_point : ts_node -> ts_point = " octs_node_start_point " external end_point : ts_node -> ts_point = " octs_node_end_point " external has_changes : ts_node -> bool = " octs_node_has_changes " external has_error : ts_node -> bool = " octs_node_has_error " external is_missing : ts_node -> bool = " octs_node_is_missing " external is_null : ts_node -> bool = " octs_node_is_null " external is_named : ts_node -> bool = " octs_node_is_named " external is_error : ts_node -> bool = " octs_node_is_error " external is_extra : ts_node -> bool = " octs_node_is_extra " external symbol : ts_node -> int = " octs_node_symbol " external type_ : ts_node -> string = " octs_node_type " end

type error_class = { parent : node_kind ; left_sibling : node_kind option ; first_child : node_kind option ; }

type t = { kind : Tree_sitter_error_t . error_kind ; msg : string ; file : Src_file . info ; start_pos : position ; end_pos : position ; substring : string ; snippet : Snippet . t ; error_class : error_class option ; }

let string_of_node_kind ( x : node_kind ) = match x with | Literal s -> sprintf " % S " s | Name s -> s | Error -> " ERROR "

let string_of_node ( x : node ) = let node_kind = string_of_node_kind x . kind in match x . children with | None -> sprintf " node type : % s " node_kind | Some children -> sprintf " \ % s ] " node_kind ( List . map ( fun ( x : node ) -> sprintf " % s \ n " ( string_of_node_kind x . kind ) ) children |> String . concat " " )

let string_of_error_class ( x : error_class ) = let parent = sprintf " parent : % s " ( string_of_node_kind x . parent ) in let left_sibling = match x . left_sibling with | None -> " , no left sibling " | Some x -> sprintf " , left sibling : % s " ( string_of_node_kind x ) in let first_child = match x . first_child with | None -> " , no children " | Some x -> sprintf " , first child : % s " ( string_of_node_kind x ) in parent ^ left_sibling ^ first_child

let rec find_left_sibling ( children : node list ) target_node = match children with | left :: node :: _ when node == target_node -> Some left . kind | node :: _ when node == target_node -> None | _ :: xs -> find_left_sibling xs target_node | [ ] -> assert false

let error_class_of_node ( ~ parent : node option ) node = match parent with | None -> None | Some { children = None ; _ } -> assert false | Some { kind ; children = Some children ; _ } -> let left_sibling = find_left_sibling children node in let first_child = match node . children with | None | Some [ ] -> None | Some ( x :: _ ) -> Some x . kind in Some { parent = kind ; left_sibling ; first_child ; }

let create kind src ? parent node msg = let msg = sprintf " \ % s % s " ( string_of_node node ) msg in let start_pos = node . start_pos in let end_pos = node . end_pos in { kind ; msg ; file = Src_file . info src ; start_pos ; end_pos ; substring = Src_file . get_region src start_pos end_pos ; snippet = Snippet . extract src ~ start_pos ~ end_pos ; error_class = error_class_of_node ~ parent node ; }

let fail kind src node msg = raise ( Error ( create kind src node msg ) )

let external_error src node msg = fail External src node msg

let internal_error src node msg = fail Internal src node msg

let string_of_file_info ( src_info : Src_file . info ) = match src_info . path with | Some path -> sprintf " File % s " path | None -> src_info . name

let to_string ( ? color = false ) ( err : t ) = let start = err . start_pos in let end_ = err . end_pos in let loc = let src_name = string_of_file_info err . file in if start . row = end_ . row then sprintf " % s , line % i , characters % i -% i " : src_name ( start . row + 1 ) start . column end_ . column else sprintf " % s , line % i , character % i to line % i , character % i " : src_name ( start . row + 1 ) start . column ( end_ . row + 1 ) end_ . column in let error_class = match err . error_class with | None -> " " | Some x -> sprintf " % s \ n " ( string_of_error_class x ) in sprintf " \ % s % s % s % s " loc ( Snippet . format ~ color err . snippet ) error_class err . msg

let to_json_error ( x : t ) : Tree_sitter_error_t . json_error = { kind = x . kind ; msg = x . msg ; file = x . file . name ; start_pos = x . start_pos ; end_pos = x . end_pos ; substring = x . substring ; error_class = Option . map string_of_error_class x . error_class ; }

let log_json_errors out_file errors = let oc = open_out_gen [ Open_creat ; Open_text ; Open_append ] 0o666 out_file in Fun . protect ~ finally ( : fun ( ) -> close_out_noerr oc ) ( fun ( ) -> List . iter ( fun err -> let simplified_err = to_json_error err in let json = Tree_sitter_error_j . string_of_json_error simplified_err in fprintf oc " % s \ n " json ) errors )

let rec of_ts_node get_node_id ts_node = let id = get_node_id ( ) in let type_ = Node . type_ ts_node in let start_pos = Node . start_point ts_node in let end_pos = Node . end_point ts_node in let children = read_children get_node_id ts_node in let kind = match type_ with | " ERROR " -> Error | _ -> match children with | None -> Literal type_ | Some _ -> Name type_ in { type_ ; start_pos ; end_pos ; children ; kind ; id ; } if Node . is_named ts_node then match Node . child_count ts_node with | 0 -> Some [ ] | child_count -> Some ( List . init child_count ( fun i -> of_ts_node get_node_id ( Node . child ts_node i ) ) ) else None

let of_ts_tree ts_tree = let root = Tree . root_node ts_tree in let counter = ref ( - 1 ) in let get_node_id ( ) = incr counter ; ! counter in let res = of_ts_node get_node_id root in Tree . delete ts_tree ; res

let to_json ( ? pretty = false ) node = let compact_json = Tree_sitter_output_j . string_of_node node in if pretty then Yojson . Safe . prettify compact_json else compact_json

type t = { src : Src_file . t ; root : Tree_sitter_output_t . node }

let src x = x . src

let root x = x . root

let set_missing_fields root_node = let open Tree_sitter_output_t in let counter = ref ( - 1 ) in let create_id ( ) = incr counter ; ! counter in let rec map node = let id = create_id ( ) in assert ( id >= 0 ) ; let children = Option . map ( List . map map ) node . children in let kind = match children with | None -> Literal node . type_ | Some _ -> Name node . type_ in { node with id ; children ; kind } in map root_node

let parse_json_file json_file = Atdgen_runtime . Util . Json . from_file Tree_sitter_output_j . read_node json_file |> set_missing_fields

let load_json_file ~ src_file ~ json_file = let root = parse_json_file json_file in let src = Src_file . load_file src_file in { src ; root }

let parse_source_string ? src_file ts_parser src_data = let src = Src_file . load_string ? src_file src_data in let root = Tree_sitter_API . Parser . parse_string ts_parser src_data |> Tree_sitter_output . of_ts_tree in { src ; root }

let parse_source_file ts_parser src_file = let src_data = Util_file . read_file src_file in parse_source_string ~ src_file ts_parser src_data

let print src = Tree_sitter_dump . to_stdout [ src . root ]

type ' a binary_tree = | Empty | Node of ' a * ' a binary_tree * ' a binary_tree

let rec tree_string = function | Empty -> " " | Node ( x , Empty , Empty ) -> Char . escaped x | Node ( x , left , right ) -> ( Char . escaped x ) ^ " ( " ^ tree_string left ^ " , " ^ tree_string right ^ " ) "