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Implement [<ArgumentFlag>] for two-case DUs (#242)

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This commit is contained in:
Patrick Stevens
2024-09-04 22:48:36 +01:00
committed by GitHub
parent bdce82fb7a
commit e4cbab3209
15 changed files with 1085 additions and 126 deletions
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568
ConsumePlugin/GeneratedArgs.fs
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@@ -18,7 +18,9 @@ open WoofWare.Myriad.Plugins
[<RequireQualifiedAccess ; CompilationRepresentation(CompilationRepresentationFlags.ModuleSuffix)>]
module BasicNoPositionals =
type private ParseState_BasicNoPositionals =
/// Ready to consume a key or positional arg
| AwaitingKey
/// Waiting to receive a value for the key we've already consumed
| AwaitingValue of key : string
let parse' (getEnvironmentVariable : string -> string) (args : string list) : BasicNoPositionals =
@@ -96,7 +98,7 @@ module BasicNoPositionals =
sprintf "Flag '%s' was supplied multiple times" "--baz" |> ArgParser_errors.Add
true
| None ->
arg_2 <- Some true
arg_2 <- true |> Some
true
else
false
@@ -216,7 +218,9 @@ open WoofWare.Myriad.Plugins
[<RequireQualifiedAccess ; CompilationRepresentation(CompilationRepresentationFlags.ModuleSuffix)>]
module Basic =
type private ParseState_Basic =
/// Ready to consume a key or positional arg
| AwaitingKey
/// Waiting to receive a value for the key we've already consumed
| AwaitingValue of key : string
let parse' (getEnvironmentVariable : string -> string) (args : string list) : Basic =
@@ -296,7 +300,7 @@ module Basic =
sprintf "Flag '%s' was supplied multiple times" "--baz" |> ArgParser_errors.Add
true
| None ->
arg_2 <- Some true
arg_2 <- true |> Some
true
else
false
@@ -404,7 +408,9 @@ open WoofWare.Myriad.Plugins
[<RequireQualifiedAccess ; CompilationRepresentation(CompilationRepresentationFlags.ModuleSuffix)>]
module BasicWithIntPositionals =
type private ParseState_BasicWithIntPositionals =
/// Ready to consume a key or positional arg
| AwaitingKey
/// Waiting to receive a value for the key we've already consumed
| AwaitingValue of key : string
let parse' (getEnvironmentVariable : string -> string) (args : string list) : BasicWithIntPositionals =
@@ -481,7 +487,7 @@ module BasicWithIntPositionals =
sprintf "Flag '%s' was supplied multiple times" "--baz" |> ArgParser_errors.Add
true
| None ->
arg_2 <- Some true
arg_2 <- true |> Some
true
else
false
@@ -589,7 +595,9 @@ open WoofWare.Myriad.Plugins
[<RequireQualifiedAccess ; CompilationRepresentation(CompilationRepresentationFlags.ModuleSuffix)>]
module LoadsOfTypes =
type private ParseState_LoadsOfTypes =
/// Ready to consume a key or positional arg
| AwaitingKey
/// Waiting to receive a value for the key we've already consumed
| AwaitingValue of key : string
let parse' (getEnvironmentVariable : string -> string) (args : string list) : LoadsOfTypes =
@@ -793,7 +801,7 @@ module LoadsOfTypes =
true
| None ->
arg_8 <- Some true
arg_8 <- true |> Some
true
else if System.String.Equals (key, "--baz", System.StringComparison.OrdinalIgnoreCase) then
match arg_2 with
@@ -801,7 +809,7 @@ module LoadsOfTypes =
sprintf "Flag '%s' was supplied multiple times" "--baz" |> ArgParser_errors.Add
true
| None ->
arg_2 <- Some true
arg_2 <- true |> Some
true
else
false
@@ -963,7 +971,9 @@ open WoofWare.Myriad.Plugins
[<RequireQualifiedAccess ; CompilationRepresentation(CompilationRepresentationFlags.ModuleSuffix)>]
module LoadsOfTypesNoPositionals =
type private ParseState_LoadsOfTypesNoPositionals =
/// Ready to consume a key or positional arg
| AwaitingKey
/// Waiting to receive a value for the key we've already consumed
| AwaitingValue of key : string
let parse' (getEnvironmentVariable : string -> string) (args : string list) : LoadsOfTypesNoPositionals =
@@ -1164,7 +1174,7 @@ module LoadsOfTypesNoPositionals =
true
| None ->
arg_7 <- Some true
arg_7 <- true |> Some
true
else if System.String.Equals (key, "--baz", System.StringComparison.OrdinalIgnoreCase) then
match arg_2 with
@@ -1172,7 +1182,7 @@ module LoadsOfTypesNoPositionals =
sprintf "Flag '%s' was supplied multiple times" "--baz" |> ArgParser_errors.Add
true
| None ->
arg_2 <- Some true
arg_2 <- true |> Some
true
else
false
@@ -1343,7 +1353,9 @@ open WoofWare.Myriad.Plugins
[<AutoOpen>]
module DatesAndTimesArgParse =
type private ParseState_DatesAndTimes =
/// Ready to consume a key or positional arg
| AwaitingKey
/// Waiting to receive a value for the key we've already consumed
| AwaitingValue of key : string
/// Extension methods for argument parsing
@@ -1587,7 +1599,9 @@ open WoofWare.Myriad.Plugins
[<AutoOpen>]
module ParentRecordArgParse =
type private ParseState_ParentRecord =
/// Ready to consume a key or positional arg
| AwaitingKey
/// Waiting to receive a value for the key we've already consumed
| AwaitingValue of key : string
/// Extension methods for argument parsing
@@ -1665,7 +1679,7 @@ module ParentRecordArgParse =
true
| None ->
arg_2 <- Some true
arg_2 <- true |> Some
true
else
false
@@ -1788,7 +1802,9 @@ open WoofWare.Myriad.Plugins
[<AutoOpen>]
module ParentRecordChildPosArgParse =
type private ParseState_ParentRecordChildPos =
/// Ready to consume a key or positional arg
| AwaitingKey
/// Waiting to receive a value for the key we've already consumed
| AwaitingValue of key : string
/// Extension methods for argument parsing
@@ -1855,7 +1871,7 @@ module ParentRecordChildPosArgParse =
true
| None ->
arg_2 <- Some true
arg_2 <- true |> Some
true
else
false
@@ -1959,7 +1975,9 @@ open WoofWare.Myriad.Plugins
[<AutoOpen>]
module ParentRecordSelfPosArgParse =
type private ParseState_ParentRecordSelfPos =
/// Ready to consume a key or positional arg
| AwaitingKey
/// Waiting to receive a value for the key we've already consumed
| AwaitingValue of key : string
/// Extension methods for argument parsing
@@ -2118,7 +2136,9 @@ open WoofWare.Myriad.Plugins
[<AutoOpen>]
module ChoicePositionalsArgParse =
type private ParseState_ChoicePositionals =
/// Ready to consume a key or positional arg
| AwaitingKey
/// Waiting to receive a value for the key we've already consumed
| AwaitingValue of key : string
/// Extension methods for argument parsing
@@ -2222,7 +2242,9 @@ open WoofWare.Myriad.Plugins
[<AutoOpen>]
module ContainsBoolEnvVarArgParse =
type private ParseState_ContainsBoolEnvVar =
/// Ready to consume a key or positional arg
| AwaitingKey
/// Waiting to receive a value for the key we've already consumed
| AwaitingValue of key : string
/// Extension methods for argument parsing
@@ -2273,7 +2295,7 @@ module ContainsBoolEnvVarArgParse =
true
| None ->
arg_0 <- Some true
arg_0 <- true |> Some
true
else
false
@@ -2376,3 +2398,529 @@ module ContainsBoolEnvVarArgParse =
static member parse (args : string list) : ContainsBoolEnvVar =
ContainsBoolEnvVar.parse' System.Environment.GetEnvironmentVariable args
namespace ConsumePlugin
open System
open System.IO
open WoofWare.Myriad.Plugins
/// Methods to parse arguments for the type WithFlagDu
[<AutoOpen>]
module WithFlagDuArgParse =
type private ParseState_WithFlagDu =
/// Ready to consume a key or positional arg
| AwaitingKey
/// Waiting to receive a value for the key we've already consumed
| AwaitingValue of key : string
/// Extension methods for argument parsing
type WithFlagDu with
static member parse' (getEnvironmentVariable : string -> string) (args : string list) : WithFlagDu =
let ArgParser_errors = ResizeArray ()
let helpText () =
[ (sprintf "--dry-run bool%s%s" "" "") ] |> String.concat "\n"
let parser_LeftoverArgs : string ResizeArray = ResizeArray ()
let mutable arg_0 : DryRunMode option = None
/// Processes the key-value pair, returning Error if no key was matched.
/// If the key is an arg which can have arity 1, but throws when consuming that arg, we return Error(<the message>).
/// This can nevertheless be a successful parse, e.g. when the key may have arity 0.
let processKeyValue (key : string) (value : string) : Result<unit, string option> =
if System.String.Equals (key, "--dry-run", System.StringComparison.OrdinalIgnoreCase) then
match arg_0 with
| Some x ->
sprintf "Argument '%s' was supplied multiple times: %O and %O" "--dry-run" x value
|> ArgParser_errors.Add
Ok ()
| None ->
try
arg_0 <-
value
|> (fun x ->
if System.Boolean.Parse x = Consts.FALSE then
DryRunMode.Wet
else
DryRunMode.Dry
)
|> Some
Ok ()
with _ as exc ->
exc.Message |> Some |> Error
else
Error None
/// Returns false if we didn't set a value.
let setFlagValue (key : string) : bool =
if System.String.Equals (key, "--dry-run", System.StringComparison.OrdinalIgnoreCase) then
match arg_0 with
| Some x ->
sprintf "Flag '%s' was supplied multiple times" "--dry-run"
|> ArgParser_errors.Add
true
| None ->
arg_0 <-
if true = Consts.FALSE then
DryRunMode.Wet
else
DryRunMode.Dry
|> Some
true
else
false
let rec go (state : ParseState_WithFlagDu) (args : string list) =
match args with
| [] ->
match state with
| ParseState_WithFlagDu.AwaitingKey -> ()
| ParseState_WithFlagDu.AwaitingValue key ->
if setFlagValue key then
()
else
sprintf
"Trailing argument %s had no value. Use a double-dash to separate positional args from key-value args."
key
|> ArgParser_errors.Add
| "--" :: rest -> parser_LeftoverArgs.AddRange (rest |> Seq.map (fun x -> x))
| arg :: args ->
match state with
| ParseState_WithFlagDu.AwaitingKey ->
if arg.StartsWith ("--", System.StringComparison.Ordinal) then
if arg = "--help" then
helpText () |> failwithf "Help text requested.\n%s"
else
let equals = arg.IndexOf (char 61)
if equals < 0 then
args |> go (ParseState_WithFlagDu.AwaitingValue arg)
else
let key = arg.[0 .. equals - 1]
let value = arg.[equals + 1 ..]
match processKeyValue key value with
| Ok () -> go ParseState_WithFlagDu.AwaitingKey args
| Error None ->
failwithf "Unable to process argument %s as key %s and value %s" arg key value
| Error (Some msg) ->
sprintf "%s (at arg %s)" msg arg |> ArgParser_errors.Add
go ParseState_WithFlagDu.AwaitingKey args
else
arg |> (fun x -> x) |> parser_LeftoverArgs.Add
go ParseState_WithFlagDu.AwaitingKey args
| ParseState_WithFlagDu.AwaitingValue key ->
match processKeyValue key arg with
| Ok () -> go ParseState_WithFlagDu.AwaitingKey args
| Error exc ->
if setFlagValue key then
go ParseState_WithFlagDu.AwaitingKey (arg :: args)
else
match exc with
| None ->
failwithf
"Unable to process supplied arg %s. Help text follows.\n%s"
key
(helpText ())
| Some msg -> msg |> ArgParser_errors.Add
go ParseState_WithFlagDu.AwaitingKey args
let parser_LeftoverArgs =
if 0 = parser_LeftoverArgs.Count then
()
else
parser_LeftoverArgs
|> String.concat " "
|> sprintf "There were leftover args: %s"
|> ArgParser_errors.Add
Unchecked.defaultof<_>
let arg_0 =
match arg_0 with
| None ->
sprintf "Required argument '%s' received no value" "--dry-run"
|> ArgParser_errors.Add
Unchecked.defaultof<_>
| Some x -> x
if 0 = ArgParser_errors.Count then
{
DryRun = arg_0
}
else
ArgParser_errors |> String.concat "\n" |> failwithf "Errors during parse!\n%s"
static member parse (args : string list) : WithFlagDu =
WithFlagDu.parse' System.Environment.GetEnvironmentVariable args
namespace ConsumePlugin
open System
open System.IO
open WoofWare.Myriad.Plugins
/// Methods to parse arguments for the type ContainsFlagEnvVar
[<AutoOpen>]
module ContainsFlagEnvVarArgParse =
type private ParseState_ContainsFlagEnvVar =
/// Ready to consume a key or positional arg
| AwaitingKey
/// Waiting to receive a value for the key we've already consumed
| AwaitingValue of key : string
/// Extension methods for argument parsing
type ContainsFlagEnvVar with
static member parse' (getEnvironmentVariable : string -> string) (args : string list) : ContainsFlagEnvVar =
let ArgParser_errors = ResizeArray ()
let helpText () =
[
(sprintf
"--dry-run bool%s%s"
("CONSUMEPLUGIN_THINGS" |> sprintf " (default value populated from env var %s)")
"")
]
|> String.concat "\n"
let parser_LeftoverArgs : string ResizeArray = ResizeArray ()
let mutable arg_0 : DryRunMode option = None
/// Processes the key-value pair, returning Error if no key was matched.
/// If the key is an arg which can have arity 1, but throws when consuming that arg, we return Error(<the message>).
/// This can nevertheless be a successful parse, e.g. when the key may have arity 0.
let processKeyValue (key : string) (value : string) : Result<unit, string option> =
if System.String.Equals (key, "--dry-run", System.StringComparison.OrdinalIgnoreCase) then
match arg_0 with
| Some x ->
sprintf "Argument '%s' was supplied multiple times: %O and %O" "--dry-run" x value
|> ArgParser_errors.Add
Ok ()
| None ->
try
arg_0 <-
value
|> (fun x ->
if System.Boolean.Parse x = Consts.FALSE then
DryRunMode.Wet
else
DryRunMode.Dry
)
|> Some
Ok ()
with _ as exc ->
exc.Message |> Some |> Error
else
Error None
/// Returns false if we didn't set a value.
let setFlagValue (key : string) : bool =
if System.String.Equals (key, "--dry-run", System.StringComparison.OrdinalIgnoreCase) then
match arg_0 with
| Some x ->
sprintf "Flag '%s' was supplied multiple times" "--dry-run"
|> ArgParser_errors.Add
true
| None ->
arg_0 <-
if true = Consts.FALSE then
DryRunMode.Wet
else
DryRunMode.Dry
|> Some
true
else
false
let rec go (state : ParseState_ContainsFlagEnvVar) (args : string list) =
match args with
| [] ->
match state with
| ParseState_ContainsFlagEnvVar.AwaitingKey -> ()
| ParseState_ContainsFlagEnvVar.AwaitingValue key ->
if setFlagValue key then
()
else
sprintf
"Trailing argument %s had no value. Use a double-dash to separate positional args from key-value args."
key
|> ArgParser_errors.Add
| "--" :: rest -> parser_LeftoverArgs.AddRange (rest |> Seq.map (fun x -> x))
| arg :: args ->
match state with
| ParseState_ContainsFlagEnvVar.AwaitingKey ->
if arg.StartsWith ("--", System.StringComparison.Ordinal) then
if arg = "--help" then
helpText () |> failwithf "Help text requested.\n%s"
else
let equals = arg.IndexOf (char 61)
if equals < 0 then
args |> go (ParseState_ContainsFlagEnvVar.AwaitingValue arg)
else
let key = arg.[0 .. equals - 1]
let value = arg.[equals + 1 ..]
match processKeyValue key value with
| Ok () -> go ParseState_ContainsFlagEnvVar.AwaitingKey args
| Error None ->
failwithf "Unable to process argument %s as key %s and value %s" arg key value
| Error (Some msg) ->
sprintf "%s (at arg %s)" msg arg |> ArgParser_errors.Add
go ParseState_ContainsFlagEnvVar.AwaitingKey args
else
arg |> (fun x -> x) |> parser_LeftoverArgs.Add
go ParseState_ContainsFlagEnvVar.AwaitingKey args
| ParseState_ContainsFlagEnvVar.AwaitingValue key ->
match processKeyValue key arg with
| Ok () -> go ParseState_ContainsFlagEnvVar.AwaitingKey args
| Error exc ->
if setFlagValue key then
go ParseState_ContainsFlagEnvVar.AwaitingKey (arg :: args)
else
match exc with
| None ->
failwithf
"Unable to process supplied arg %s. Help text follows.\n%s"
key
(helpText ())
| Some msg -> msg |> ArgParser_errors.Add
go ParseState_ContainsFlagEnvVar.AwaitingKey args
let parser_LeftoverArgs =
if 0 = parser_LeftoverArgs.Count then
()
else
parser_LeftoverArgs
|> String.concat " "
|> sprintf "There were leftover args: %s"
|> ArgParser_errors.Add
Unchecked.defaultof<_>
let arg_0 =
match arg_0 with
| None ->
match "CONSUMEPLUGIN_THINGS" |> getEnvironmentVariable with
| null ->
sprintf
"No value was supplied for %s, nor was environment variable %s set"
"--dry-run"
"CONSUMEPLUGIN_THINGS"
|> ArgParser_errors.Add
Unchecked.defaultof<_>
| x ->
if System.String.Equals (x, "1", System.StringComparison.OrdinalIgnoreCase) then
if true = Consts.FALSE then
DryRunMode.Wet
else
DryRunMode.Dry
else if System.String.Equals (x, "0", System.StringComparison.OrdinalIgnoreCase) then
if false = Consts.FALSE then
DryRunMode.Wet
else
DryRunMode.Dry
else
x
|> (fun x ->
if System.Boolean.Parse x = Consts.FALSE then
DryRunMode.Wet
else
DryRunMode.Dry
)
|> Choice2Of2
| Some x -> Choice1Of2 x
if 0 = ArgParser_errors.Count then
{
DryRun = arg_0
}
else
ArgParser_errors |> String.concat "\n" |> failwithf "Errors during parse!\n%s"
static member parse (args : string list) : ContainsFlagEnvVar =
ContainsFlagEnvVar.parse' System.Environment.GetEnvironmentVariable args
namespace ConsumePlugin
open System
open System.IO
open WoofWare.Myriad.Plugins
/// Methods to parse arguments for the type ContainsFlagDefaultValue
[<AutoOpen>]
module ContainsFlagDefaultValueArgParse =
type private ParseState_ContainsFlagDefaultValue =
/// Ready to consume a key or positional arg
| AwaitingKey
/// Waiting to receive a value for the key we've already consumed
| AwaitingValue of key : string
/// Extension methods for argument parsing
type ContainsFlagDefaultValue with
static member parse'
(getEnvironmentVariable : string -> string)
(args : string list)
: ContainsFlagDefaultValue
=
let ArgParser_errors = ResizeArray ()
let helpText () =
[
(sprintf
"--dry-run bool%s%s"
(match ContainsFlagDefaultValue.DefaultDryRun () with
| DryRunMode.Wet -> if Consts.FALSE = true then "true" else "false"
| DryRunMode.Dry -> if true = true then "true" else "false"
|> sprintf " (default value: %O)")
"")
]
|> String.concat "\n"
let parser_LeftoverArgs : string ResizeArray = ResizeArray ()
let mutable arg_0 : DryRunMode option = None
/// Processes the key-value pair, returning Error if no key was matched.
/// If the key is an arg which can have arity 1, but throws when consuming that arg, we return Error(<the message>).
/// This can nevertheless be a successful parse, e.g. when the key may have arity 0.
let processKeyValue (key : string) (value : string) : Result<unit, string option> =
if System.String.Equals (key, "--dry-run", System.StringComparison.OrdinalIgnoreCase) then
match arg_0 with
| Some x ->
sprintf "Argument '%s' was supplied multiple times: %O and %O" "--dry-run" x value
|> ArgParser_errors.Add
Ok ()
| None ->
try
arg_0 <-
value
|> (fun x ->
if System.Boolean.Parse x = Consts.FALSE then
DryRunMode.Wet
else
DryRunMode.Dry
)
|> Some
Ok ()
with _ as exc ->
exc.Message |> Some |> Error
else
Error None
/// Returns false if we didn't set a value.
let setFlagValue (key : string) : bool =
if System.String.Equals (key, "--dry-run", System.StringComparison.OrdinalIgnoreCase) then
match arg_0 with
| Some x ->
sprintf "Flag '%s' was supplied multiple times" "--dry-run"
|> ArgParser_errors.Add
true
| None ->
arg_0 <-
if true = Consts.FALSE then
DryRunMode.Wet
else
DryRunMode.Dry
|> Some
true
else
false
let rec go (state : ParseState_ContainsFlagDefaultValue) (args : string list) =
match args with
| [] ->
match state with
| ParseState_ContainsFlagDefaultValue.AwaitingKey -> ()
| ParseState_ContainsFlagDefaultValue.AwaitingValue key ->
if setFlagValue key then
()
else
sprintf
"Trailing argument %s had no value. Use a double-dash to separate positional args from key-value args."
key
|> ArgParser_errors.Add
| "--" :: rest -> parser_LeftoverArgs.AddRange (rest |> Seq.map (fun x -> x))
| arg :: args ->
match state with
| ParseState_ContainsFlagDefaultValue.AwaitingKey ->
if arg.StartsWith ("--", System.StringComparison.Ordinal) then
if arg = "--help" then
helpText () |> failwithf "Help text requested.\n%s"
else
let equals = arg.IndexOf (char 61)
if equals < 0 then
args |> go (ParseState_ContainsFlagDefaultValue.AwaitingValue arg)
else
let key = arg.[0 .. equals - 1]
let value = arg.[equals + 1 ..]
match processKeyValue key value with
| Ok () -> go ParseState_ContainsFlagDefaultValue.AwaitingKey args
| Error None ->
failwithf "Unable to process argument %s as key %s and value %s" arg key value
| Error (Some msg) ->
sprintf "%s (at arg %s)" msg arg |> ArgParser_errors.Add
go ParseState_ContainsFlagDefaultValue.AwaitingKey args
else
arg |> (fun x -> x) |> parser_LeftoverArgs.Add
go ParseState_ContainsFlagDefaultValue.AwaitingKey args
| ParseState_ContainsFlagDefaultValue.AwaitingValue key ->
match processKeyValue key arg with
| Ok () -> go ParseState_ContainsFlagDefaultValue.AwaitingKey args
| Error exc ->
if setFlagValue key then
go ParseState_ContainsFlagDefaultValue.AwaitingKey (arg :: args)
else
match exc with
| None ->
failwithf
"Unable to process supplied arg %s. Help text follows.\n%s"
key
(helpText ())
| Some msg -> msg |> ArgParser_errors.Add
go ParseState_ContainsFlagDefaultValue.AwaitingKey args
let parser_LeftoverArgs =
if 0 = parser_LeftoverArgs.Count then
()
else
parser_LeftoverArgs
|> String.concat " "
|> sprintf "There were leftover args: %s"
|> ArgParser_errors.Add
Unchecked.defaultof<_>
let arg_0 =
match arg_0 with
| None -> ContainsFlagDefaultValue.DefaultDryRun () |> Choice2Of2
| Some x -> Choice1Of2 x
if 0 = ArgParser_errors.Count then
{
DryRun = arg_0
}
else
ArgParser_errors |> String.concat "\n" |> failwithf "Errors during parse!\n%s"
static member parse (args : string list) : ContainsFlagDefaultValue =
ContainsFlagDefaultValue.parse' System.Environment.GetEnvironmentVariable args