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WoofWare.Myriad/Playground/Library.fs
2025-04-13 18:43:23 +01:00

564 lines
24 KiB
Forth

//------------------------------------------------------------------------------
// This code was generated by myriad.
// Changes to this file will be lost when the code is regenerated.
//------------------------------------------------------------------------------
namespace Playground // Assuming a namespace
open System
open System.IO
open WoofWare.Myriad.Plugins // Assuming attributes are here
// Assume original type definitions are accessible here
// [<ArgParser>] type SubMode1 = { Info1 : int; Info2 : string; Rest : string list }
// [<ArgParser>] type SubMode2 = { Info1 : int; Info2 : string; Rest : int list }
// [<ArgParser>] type Mode1 = { Things : SubMode1; Whatnot : int }
// [<ArgParser>] type Mode2 = { Things : SubMode2; Whatnot : DateTime }
// [<ArgParser>] type Modes = | Mode1 of Mode1 | Mode2 of Mode2
// [<ArgParser>] type Args = { WhatToDo : Modes; [<PositionalArgs>] OtherArgs : string list }
/// Methods to parse arguments for the type Args
[<RequireQualifiedAccess ; CompilationRepresentation(CompilationRepresentationFlags.ModuleSuffix)>]
module Args =
//--------------------------------------------------------------------------
// Internal state definitions (Non-Flattened with combined Assemble/Validate)
//--------------------------------------------------------------------------
/// State representing the parse progress for SubMode1 record
type private State_SubMode1 =
{
mutable Info1 : int option
mutable Info2 : string option
Rest : ResizeArray<string> // Corresponds to --rest
}
static member Create () =
{
Info1 = None
Info2 = None
Rest = ResizeArray ()
}
/// Check completeness and assemble the SubMode1 record from state.
member this.Assemble () : Result<SubMode1, string list> =
let errors = ResizeArray<string> ()
let mutable complete = true
if this.Info1.IsNone then
complete <- false
errors.Add ("Argument '--info1' is required.")
if this.Info2.IsNone then
complete <- false
errors.Add ("Argument '--info2' is required.")
// Rest is list, always 'complete'
if complete then
Ok
{
Info1 = this.Info1.Value
Info2 = this.Info2.Value
Rest = this.Rest |> Seq.toList
}
else
Error (errors |> Seq.toList)
/// State representing the parse progress for SubMode2 record
type private State_SubMode2 =
{
mutable Info1 : int option
mutable Info2 : string option
Rest : ResizeArray<int> // Corresponds to --rest
}
static member Create () =
{
Info1 = None
Info2 = None
Rest = ResizeArray ()
}
/// Check completeness and assemble the SubMode2 record from state.
member this.Assemble () : Result<SubMode2, string list> =
let errors = ResizeArray<string> ()
if this.Info1.IsNone then
errors.Add ("Argument '--info1' is required.")
if this.Info2.IsNone then
errors.Add ("Argument '--info2' is required.")
// Rest is list, always 'complete'
if errors.Count = 0 then
Ok
{
Info1 = this.Info1.Value
Info2 = this.Info2.Value
Rest = this.Rest |> Seq.toList
}
else
Error (errors |> Seq.toList)
/// State representing the parse progress for Mode1 record (references SubMode1 state)
type private State_Mode1 =
{
ThingsState : State_SubMode1 // Holds state for the nested record
mutable Whatnot : int option
}
static member Create () =
{
ThingsState = State_SubMode1.Create ()
Whatnot = None
}
/// Check completeness and assemble the Mode1 record from state (including nested).
member this.Assemble () : Result<Mode1, string list> =
let errors = ResizeArray<string> ()
// Check direct fields
if this.Whatnot.IsNone then
errors.Add ("Argument '--whatnot' is required for Mode1.")
// Assemble nested state (which includes its own validation)
let thingsResult = this.ThingsState.Assemble ()
let mutable thingsValue = None
match thingsResult with
| Ok v -> thingsValue <- Some v
| Error nestedErrors -> errors.AddRange (nestedErrors |> List.map (sprintf "Things: %s")) // Add context
if errors.Count = 0 then
Ok
{
Things = thingsValue.Value
Whatnot = this.Whatnot.Value
}
else
Error (errors |> Seq.toList)
/// State representing the parse progress for Mode2 record (references SubMode2 state)
type private State_Mode2 =
{
ThingsState : State_SubMode2 // Holds state for the nested record
mutable Whatnot : DateTime option
}
static member Create () =
{
ThingsState = State_SubMode2.Create ()
Whatnot = None
}
/// Check completeness and assemble the Mode2 record from state (including nested).
member this.Assemble () : Result<Mode2, string list> =
let errors = ResizeArray<string> ()
// Check direct fields
if this.Whatnot.IsNone then
errors.Add ("Argument '--whatnot' is required for Mode2.")
// Assemble nested state (which includes its own validation)
let thingsResult = this.ThingsState.Assemble ()
let mutable thingsValue = Unchecked.defaultof<_>
match thingsResult with
| Ok v -> thingsValue <- v
| Error nestedErrors -> errors.AddRange (nestedErrors |> List.map (sprintf "Things: %s")) // Add context
if errors.Count = 0 then
{
Things = thingsValue
Whatnot = this.Whatnot.Value
}
|> Ok
else
Error (errors |> Seq.toList)
/// State for a single candidate parse path for the Modes DU (Structure unchanged)
type private CandidateParseState_Modes =
{
CaseName : string // "Mode1" or "Mode2"
mutable IsViable : bool
Errors : ResizeArray<string> // Errors specific to this candidate's path
ConsumedArgIndices : System.Collections.Generic.HashSet<int> // Indices consumed *by this candidate*
CaseState : obj // Holds either State_Mode1 or State_Mode2
}
static member CreateMode1 () =
{
CaseName = "Mode1"
IsViable = true
Errors = ResizeArray ()
ConsumedArgIndices = System.Collections.Generic.HashSet ()
CaseState = State_Mode1.Create () :> obj
}
static member CreateMode2 () =
{
CaseName = "Mode2"
IsViable = true
Errors = ResizeArray ()
ConsumedArgIndices = System.Collections.Generic.HashSet ()
CaseState = State_Mode2.Create () :> obj
}
//--------------------------------------------------------------------------
// Main Parser Logic
//--------------------------------------------------------------------------
type private ParseState_Args =
| AwaitingArg
| AwaitingValue of keyIndex : int * key : string
let parse' (getEnvironmentVariable : string -> string) (args : string list) : Args =
let ArgParser_errors = ResizeArray () // Global errors accumulator
let helpText () =
// Help text generation unchanged
[
(sprintf "%s int32%s%s" (sprintf "--%s" "info1") "" " (for Mode1/Mode2 Things)")
(sprintf "%s string%s%s" (sprintf "--%s" "info2") "" " (for Mode1/Mode2 Things)")
(sprintf "%s string%s%s" (sprintf "--%s" "rest") " (can be repeated)" " (for Mode1 Things)")
(sprintf "%s int32%s%s" (sprintf "--%s" "rest") " (can be repeated)" " (for Mode2 Things)")
(sprintf "%s int32%s%s" (sprintf "--%s" "whatnot") "" " (for Mode1)")
(sprintf "%s DateTime%s%s" (sprintf "--%s" "whatnot") "" " (for Mode2)")
(sprintf "%s string%s%s" (sprintf "--%s" "other-args") " (positional args) (can be repeated)" "")
]
|> String.concat "\n"
let arg_OtherArgs : string ResizeArray = ResizeArray ()
let mutable candidates_WhatToDo : CandidateParseState_Modes list =
[
CandidateParseState_Modes.CreateMode1 ()
CandidateParseState_Modes.CreateMode2 ()
]
let consumedArgIndices_WhatToDo = System.Collections.Generic.HashSet<int> ()
//----------------------------------------------------------------------
// Helper functions for applying args (applyKeyValueToSubModeXState unchanged)
//----------------------------------------------------------------------
let applyKeyValueToSubMode1State
(argIndex : int)
(keyIndex : int)
(key : string)
(value : string)
(subState : State_SubMode1)
(candidate : CandidateParseState_Modes)
: unit
=
// ... (Implementation identical to previous version) ...
if String.Equals (key, "--info1", StringComparison.OrdinalIgnoreCase) then
match subState.Info1 with
| Some _ ->
candidate.Errors.Add (sprintf "Argument '--info1' supplied multiple times (SubMode1)")
candidate.IsViable <- false
| None ->
try
subState.Info1 <- Some (Int32.Parse value)
candidate.ConsumedArgIndices.Add argIndex |> ignore
candidate.ConsumedArgIndices.Add keyIndex |> ignore
with ex ->
candidate.Errors.Add (
sprintf "Failed to parse '%s' for --info1 (SubMode1): %s" value ex.Message
)
candidate.IsViable <- false
elif String.Equals (key, "--info2", StringComparison.OrdinalIgnoreCase) then
match subState.Info2 with
| Some _ ->
candidate.Errors.Add (sprintf "Argument '--info2' supplied multiple times (SubMode1)")
candidate.IsViable <- false
| None ->
subState.Info2 <- Some value
candidate.ConsumedArgIndices.Add argIndex |> ignore
candidate.ConsumedArgIndices.Add keyIndex |> ignore
elif String.Equals (key, "--rest", StringComparison.OrdinalIgnoreCase) then
subState.Rest.Add value
candidate.ConsumedArgIndices.Add argIndex |> ignore
candidate.ConsumedArgIndices.Add keyIndex |> ignore
else
()
let applyKeyValueToSubMode2State
(argIndex : int)
(keyIndex : int)
(key : string)
(value : string)
(subState : State_SubMode2)
(candidate : CandidateParseState_Modes)
: unit
=
// ... (Implementation identical to previous version) ...
if String.Equals (key, "--info1", StringComparison.OrdinalIgnoreCase) then
match subState.Info1 with
| Some _ ->
candidate.Errors.Add (sprintf "Argument '--info1' supplied multiple times (SubMode2)")
candidate.IsViable <- false
| None ->
try
subState.Info1 <- Some (Int32.Parse value)
candidate.ConsumedArgIndices.Add argIndex |> ignore
candidate.ConsumedArgIndices.Add keyIndex |> ignore
with ex ->
candidate.Errors.Add (
sprintf "Failed to parse '%s' for --info1 (SubMode2): %s" value ex.Message
)
candidate.IsViable <- false
elif String.Equals (key, "--info2", StringComparison.OrdinalIgnoreCase) then
match subState.Info2 with
| Some _ ->
candidate.Errors.Add (sprintf "Argument '--info2' supplied multiple times (SubMode2)")
candidate.IsViable <- false
| None ->
subState.Info2 <- Some value
candidate.ConsumedArgIndices.Add argIndex |> ignore
candidate.ConsumedArgIndices.Add keyIndex |> ignore
elif String.Equals (key, "--rest", StringComparison.OrdinalIgnoreCase) then
try
subState.Rest.Add (Int32.Parse value)
candidate.ConsumedArgIndices.Add argIndex |> ignore
candidate.ConsumedArgIndices.Add keyIndex |> ignore
with ex ->
candidate.Errors.Add (
sprintf "Failed to parse '%s' as int32 for --rest (SubMode2): %s" value ex.Message
)
candidate.IsViable <- false
else
()
//----------------------------------------------------------------------
// Routing and Main Application Logic (applyKeyValueToCandidate unchanged)
//----------------------------------------------------------------------
let applyKeyValueToCandidate
(argIndex : int, keyIndex : int, key : string, value : string)
(candidate : CandidateParseState_Modes)
: unit
=
// ... (Implementation identical to previous version, calling sub-state helpers) ...
if not candidate.IsViable then
()
else
match candidate.CaseName with
| "Mode1" ->
let state = candidate.CaseState :?> State_Mode1
if String.Equals (key, "--whatnot", StringComparison.OrdinalIgnoreCase) then
match state.Whatnot with
| Some _ ->
candidate.Errors.Add (
sprintf "Argument '--whatnot' supplied multiple times for Mode1 candidate"
)
candidate.IsViable <- false
| None ->
try
state.Whatnot <- Some (Int32.Parse value)
candidate.ConsumedArgIndices.Add argIndex |> ignore
candidate.ConsumedArgIndices.Add keyIndex |> ignore
with ex ->
candidate.Errors.Add (
sprintf "Failed to parse '%s' as int32 for --whatnot (Mode1): %s" value ex.Message
)
candidate.IsViable <- false
elif key = "--info1" || key = "--info2" || key = "--rest" then
applyKeyValueToSubMode1State argIndex keyIndex key value state.ThingsState candidate
else
()
| "Mode2" ->
let state = candidate.CaseState :?> State_Mode2
if String.Equals (key, "--whatnot", StringComparison.OrdinalIgnoreCase) then
match state.Whatnot with
| Some _ ->
candidate.Errors.Add (
sprintf "Argument '--whatnot' supplied multiple times for Mode2 candidate"
)
candidate.IsViable <- false
| None ->
try
state.Whatnot <- Some (DateTime.Parse value)
candidate.ConsumedArgIndices.Add argIndex |> ignore
candidate.ConsumedArgIndices.Add keyIndex |> ignore
with ex ->
candidate.Errors.Add (
sprintf "Failed to parse '%s' as DateTime for --whatnot (Mode2): %s" value ex.Message
)
candidate.IsViable <- false
elif key = "--info1" || key = "--info2" || key = "--rest" then
applyKeyValueToSubMode2State argIndex keyIndex key value state.ThingsState candidate
else
()
| _ -> failwith "Internal error: Unknown case name"
// processKeyValue, setFlagValue, and main loop `go` are identical to previous version
let processKeyValue (keyIndex : int, key : string, valueIndex : int, value : string) : bool =
let mutable handled = false
for candidate in candidates_WhatToDo do
let initialConsumedCount = candidate.ConsumedArgIndices.Count
if candidate.IsViable then
applyKeyValueToCandidate (valueIndex, keyIndex, key, value) candidate
if candidate.IsViable && candidate.ConsumedArgIndices.Count > initialConsumedCount then
handled <- true
consumedArgIndices_WhatToDo.Add keyIndex |> ignore
consumedArgIndices_WhatToDo.Add valueIndex |> ignore
handled
let setFlagValue (keyIndex : int) (key : string) : bool = false // No flags
let rec go (state : ParseState_Args) (args : (int * string) list) =
// ... (Implementation identical to previous version) ...
match args with
| [] ->
match state with
| ParseState_Args.AwaitingArg -> ()
| ParseState_Args.AwaitingValue (i, k) ->
if not (setFlagValue i k) then
ArgParser_errors.Add (sprintf "Trailing argument '%s' (at index %d) requires a value." k i)
| (idx, arg) :: rest ->
match state with
| ParseState_Args.AwaitingArg ->
if arg = "--" then
rest
|> List.iter (fun (i, v) ->
if not (consumedArgIndices_WhatToDo.Contains i) then
arg_OtherArgs.Add v
)
go ParseState_Args.AwaitingArg []
elif arg.StartsWith ("--") then
if arg = "--help" then
helpText () |> failwithf "Help text requested:\n%s"
else
let eq = arg.IndexOf ('=')
if eq > 0 then
let k = arg.[.. eq - 1]
let v = arg.[eq + 1 ..]
if not (processKeyValue (idx, k, idx, v)) then
if not (consumedArgIndices_WhatToDo.Contains idx) then
arg_OtherArgs.Add arg
go ParseState_Args.AwaitingArg rest
elif setFlagValue idx arg then
consumedArgIndices_WhatToDo.Add idx |> ignore
go ParseState_Args.AwaitingArg rest
else
go (ParseState_Args.AwaitingValue (idx, arg)) rest
else
if not (consumedArgIndices_WhatToDo.Contains idx) then
arg_OtherArgs.Add arg
go ParseState_Args.AwaitingArg rest
| ParseState_Args.AwaitingValue (keyIdx, key) ->
if processKeyValue (keyIdx, key, idx, arg) then
go ParseState_Args.AwaitingArg rest
elif setFlagValue keyIdx key then
consumedArgIndices_WhatToDo.Add keyIdx |> ignore<bool>
go ParseState_Args.AwaitingArg ((idx, arg) :: rest) // Reprocess arg
elif not (consumedArgIndices_WhatToDo.Contains keyIdx) then
arg_OtherArgs.Add key
if not (consumedArgIndices_WhatToDo.Contains idx) then
arg_OtherArgs.Add arg
go ParseState_Args.AwaitingArg rest
args |> List.mapi (fun i s -> (i, s)) |> go ParseState_Args.AwaitingArg
//----------------------------------------------------------------------
// Final Validation and Assembly (Uses new Assemble methods)
//----------------------------------------------------------------------
let viableWinners = candidates_WhatToDo |> List.filter (fun c -> c.IsViable)
// No longer filter based on IsComplete here; Assemble handles it.
// Still need to check for relative leftovers if that logic were implemented.
let whatToDoResult =
match viableWinners with
| [] ->
// Add specific errors from candidates that were viable *before* Assemble check
ArgParser_errors.Add ("No valid parse found for 'WhatToDo'.")
candidates_WhatToDo
|> List.iter (fun c ->
if c.Errors.Count <> 0 then
ArgParser_errors.Add (
sprintf " Candidate %s parse errors: %s" c.CaseName (String.concat "; " c.Errors)
)
// Potentially try to Assemble even non-viable ones to get completion errors? Maybe too complex.
)
Unchecked.defaultof<_> // Error path
| [ winner ] ->
// Assemble the winning case, checking the Result for completion errors
match winner.CaseName with
| "Mode1" ->
match (winner.CaseState :?> State_Mode1).Assemble () with
| Ok mode1Value -> Modes.Mode1 mode1Value
| Error completionErrors ->
ArgParser_errors.Add (sprintf "Validation failed for selected candidate Mode1:")
ArgParser_errors.AddRange completionErrors
Unchecked.defaultof<_> // Error path
| "Mode2" ->
match (winner.CaseState :?> State_Mode2).Assemble () with
| Ok mode2Value -> Modes.Mode2 mode2Value
| Error completionErrors ->
ArgParser_errors.Add (sprintf "Validation failed for selected candidate Mode2:")
ArgParser_errors.AddRange completionErrors
Unchecked.defaultof<_> // Error path
| _ -> failwith "Internal error: Unknown winning case name"
| winners -> // Ambiguous parse
ArgParser_errors.Add ("Ambiguous parse for 'WhatToDo'. Multiple modes potentially viable:")
winners
|> List.iter (fun c ->
ArgParser_errors.Add (
sprintf
" - %s (Initial Errors: %s)"
c.CaseName
(if c.Errors.Count = 0 then
"None"
else
String.concat "; " c.Errors)
)
)
Unchecked.defaultof<_> // Error path
// Finalize OtherArgs (unchanged)
let otherArgsResult = arg_OtherArgs |> Seq.toList
// Assemble Final Result or Fail (unchanged)
if ArgParser_errors.Count > 0 then
ArgParser_errors
|> String.concat "\n"
|> failwithf "Errors during parse!\n%s\n\nHelp Text:\n%s" (helpText ())
else
{
WhatToDo = whatToDoResult
OtherArgs = otherArgsResult
}
let parse (args : string list) : Args =
parse' System.Environment.GetEnvironmentVariable args