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module TypeChecker
open Ast
open System.Collections.Generic
let GetClass name decls =
match decls |> List.tryFind (function Class(_,_,_) -> true | _ -> false) with
| Some(cl) -> cl
| None -> Class(name,[],[])
let GetModel name decls =
match decls |> List.tryFind (function Model(_,_,_,_,_) -> true | _ -> false) with
| Some(m) -> m
| None -> Model(name,[],[],[],IdLiteral("true"))
let GetCode name decls =
match decls |> List.tryFind (function Code(_,_) -> true | _ -> false) with
| Some(c) -> c
| None -> Code(name,[])
let TypeCheck prog =
match prog with
| SProgram(decls) ->
let componentNames = decls |> List.choose (function Class(name,_,_) -> Some(name) | _ -> None)
let clist = componentNames |> List.map (fun name -> Component(GetClass name decls, GetModel name decls, GetCode name decls))
Some(Program(clist))
|