fd3d42ae33
git-subtree-dir: golang-lean git-subtree-mainline:6487c7046fgit-subtree-split:f5f1701922
34 lines
1.1 KiB
Text
34 lines
1.1 KiB
Text
import GolangLean.AST
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namespace GolangLean
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/-! # Runtime values.
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Go is statically typed, so a faithful runtime keeps a `GoType` alongside each
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value. For the first cut we keep things untyped (a tagged union) and recover
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type safety later by adding a static type-checker pass on the AST. The shape
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mirrors octive-lean's `Value`. -/
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mutual
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inductive Value where
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| nil
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| boolV : Bool → Value
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| intV : Int → Value
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| floatV : Float → Value
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| stringV : String → Value
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| sliceV : Array Value → Value
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| mapV : Array (Value × Value) → Value -- ordered list, equality via key
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| structV : Array (String × Value) → Value
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| ptrV : Nat → Value -- index into heap
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| funcV : Closure → Value
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| chanV : Nat → Value -- index into channel table
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| tupleV : Array Value → Value -- multi-return packs
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/-- A function closure: signature + body + captured environment. -/
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inductive Closure where
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| mk : FuncType → Array Stmt → List (String × Value) → Closure
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end
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end GolangLean
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