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42 lines
1.3 KiB
Agda
42 lines
1.3 KiB
Agda
module Luau.Syntax.ToString where
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open import Luau.Syntax using (Type; Block; Stat; Expr; nil; var; _$_; function⟨_⟩_end; return; function_⟨_⟩_end ;local_←_; _∙_; _∙)
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open import FFI.Data.String using (String; _++_)
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exprToString′ : String → Expr → String
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statToString′ : String → Stat → String
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blockToString′ : String → Block → String
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exprToString′ lb nil =
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"nil"
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exprToString′ lb (var x) =
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x
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exprToString′ lb (M $ N) =
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(exprToString′ lb M) ++ "(" ++ (exprToString′ lb N) ++ ")"
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exprToString′ lb (function⟨ x ⟩ B end) =
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"function(" ++ x ++ ")" ++ lb ++
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" " ++ (blockToString′ (lb ++ " ") B) ++ lb ++
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"end"
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statToString′ lb (function f ⟨ x ⟩ B end) =
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"local function " ++ f ++ "(" ++ x ++ ")" ++ lb ++
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" " ++ (blockToString′ (lb ++ " ") B) ++ lb ++
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"end"
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statToString′ lb (local x ← M) =
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"local " ++ x ++ " = " ++ (exprToString′ lb M)
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statToString′ lb (return M) =
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"return " ++ (exprToString′ lb M)
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blockToString′ lb (S ∙ B) = statToString′ lb S ++ lb ++ blockToString′ lb B
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blockToString′ lb (S ∙) = statToString′ lb S
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exprToString : Expr → String
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exprToString = exprToString′ "\n"
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statToString : Stat → String
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statToString = statToString′ "\n"
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blockToString : Block → String
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blockToString = blockToString′ "\n"
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