luau/prototyping/Luau/RuntimeError/ToString.agda

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1 KiB
Agda

module Luau.RuntimeError.ToString where
open import FFI.Data.String using (String; _++_)
open import Luau.RuntimeError using (RuntimeErrorᴮ; RuntimeErrorᴱ; local; return; NilIsNotAFunction; UnboundVariable; SEGV; app; block)
open import Luau.Addr.ToString using (addrToString)
open import Luau.Var.ToString using (varToString)
open import Luau.Syntax using (name)
errToStringᴱ : {a H B} RuntimeErrorᴱ {a} H B String
errToStringᴮ : {a H B} RuntimeErrorᴮ {a} H B String
errToStringᴱ NilIsNotAFunction = "nil is not a function"
errToStringᴱ (UnboundVariable x) = "variable " ++ varToString x ++ " is unbound"
errToStringᴱ (SEGV a x) = "address " ++ addrToString a ++ " is unallocated"
errToStringᴱ (app E) = errToStringᴱ E
errToStringᴱ (block b E) = errToStringᴮ E ++ "\n in call of function " ++ varToString b
errToStringᴮ (local x E) = errToStringᴱ E ++ "\n in definition of " ++ varToString (name x)
errToStringᴮ (return E) = errToStringᴱ E ++ "\n in return statement"