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|
// ####################################################################
/// This module is intended to store and handle configuration options
///
/// author: Aleksandar Milicevic (t-alekm@microsoft.com)
// ####################################################################
module Options
open Utils
type Config = {
inputFilename: string;
methodToSynth: string;
verifySolutions: bool;
timeout: int;
}
let defaultConfig: Config = {
inputFilename = "";
methodToSynth = "*";
verifySolutions = true;
timeout = 0;
}
let mutable CONFIG = defaultConfig
exception InvalidCmdLineArg of string
exception InvalidCmdLineOption of string
let ParseCmdLineArgs args =
let __StripSwitches str =
match str with
| Prefix "--" x
| Prefix "-" x
| Prefix "/" x -> x
| _ -> str
let __Split (str: string) =
let stripped = __StripSwitches str
if stripped = str then
("",str)
else
let splits = stripped.Split([| ':' |])
if splits.Length > 2 then raise (InvalidCmdLineOption("more than 2 colons in " + str))
if splits.Length = 2 then
let opt = splits.[0]
let value = splits.[1]
(opt,value)
else
let x = __StripSwitches splits.[0]
(x, "")
let __CheckNonEmpty value optName =
if value = "" then raise (InvalidCmdLineArg("A value for option " + optName + " must not be empty"))
let __CheckInt value optName =
try
System.Int32.Parse value
with
| ex -> raise (InvalidCmdLineArg("A value for option " + optName + " must be a boolean"))
let __CheckBool value optName =
if value = "" then
true
else
try
System.Boolean.Parse value
with
| ex -> raise (InvalidCmdLineArg("A value for option " + optName + " must be an integer"))
let rec __Parse args cfg =
match args with
| fs :: rest ->
let opt,value = __Split fs
match opt with
| "method" ->
__CheckNonEmpty value opt
__Parse rest { cfg with methodToSynth = value }
| "verifySol" ->
let b = __CheckBool value opt
__Parse rest { cfg with verifySolutions = b }
| "timeout" ->
let t = __CheckInt value opt
__Parse rest { cfg with timeout = t }
| "" ->
__Parse rest { cfg with inputFilename = value }
| _ ->
raise (InvalidCmdLineOption("Unknown option: " + opt))
| [] -> cfg
let __CheckBool value optName =
if value = "" then
true
else
try
System.Boolean.Parse value
with
| ex -> raise (InvalidCmdLineArg("Option " + optName " must be boolean"))
(* --- function body starts here --- *)
CONFIG <- __Parse args defaultConfig
|
