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22 lines
1.1 KiB
Agda
22 lines
1.1 KiB
Agda
{-# OPTIONS --rewriting #-}
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module Luau.RuntimeError.ToString where
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open import FFI.Data.String using (String; _++_)
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open import Luau.RuntimeError using (RuntimeErrorᴮ; RuntimeErrorᴱ; local; return; NilIsNotAFunction; UnboundVariable; SEGV; app₁; app₂; block)
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open import Luau.Addr.ToString using (addrToString)
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open import Luau.Var.ToString using (varToString)
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open import Luau.Syntax using (name)
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errToStringᴱ : ∀ {a H B} → RuntimeErrorᴱ {a} H B → String
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errToStringᴮ : ∀ {a H B} → RuntimeErrorᴮ {a} H B → String
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errToStringᴱ (NilIsNotAFunction) = "nil is not a function"
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errToStringᴱ (UnboundVariable x) = "variable " ++ varToString x ++ " is unbound"
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errToStringᴱ (SEGV a x) = "address " ++ addrToString a ++ " is unallocated"
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errToStringᴱ (app₁ E) = errToStringᴱ E
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errToStringᴱ (app₂ E) = errToStringᴱ E
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errToStringᴱ (block b E) = errToStringᴮ E ++ "\n in call of function " ++ varToString (name b)
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errToStringᴮ (local x E) = errToStringᴱ E ++ "\n in definition of " ++ varToString (name x)
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errToStringᴮ (return E) = errToStringᴱ E ++ "\n in return statement"
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