lean4-htt/tests/lean/run/erased.lean
Henrik Böving 5dde403ec0
fix: toposort declarations to ensure proper constant initialization (#11388)
This PR is a followup of #11381 and enforces the invariants on ordering
of closed terms and constants required by the EmitC pass properly by
toposorting before saving the declarations into the Environment.
2025-11-26 18:17:17 +00:00

83 lines
3.4 KiB
Text
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

import Lean
/-- `erased α` is the same as `α`, except that the elements
of `erased α` are erased in the VM in the same way as types
and proofs. This can be used to track data without storing it
literally. -/
def Erased (α : Sort u) : Sort max 1 u :=
Σ's : α → Prop, ∃ a, (fun b => a = b) = s
namespace Erased
/-- Erase a value. -/
@[inline]
def mk {α} (a : α) : Erased α :=
⟨fun b => a = b, a, rfl⟩
open Lean.Compiler
set_option pp.explicit true
set_option pp.funBinderTypes true
set_option pp.letVarTypes true
set_option trace.Compiler.result true
/--
trace: [Compiler.result] size: 1
def Erased.mk (α : lcErased) (a : lcAny) : PSigma lcErased lcAny :=
let _x.1 : PSigma lcErased lcAny := PSigma.mk ◾ ◾ ◾ ◾;
return _x.1
---
trace: [Compiler.result] size: 5
def _private.lean.run.erased.0._eval._lam_0 (_x.1 : Array
Lean.Name) (_x.2 : PUnit) (_y.3 : Lean.Elab.Term.Context) (_y.4 : lcAny) (_y.5 : Lean.Meta.Context) (_y.6 : lcAny) (_y.7 : Lean.Core.Context) (_y.8 : lcAny) (_y.9 : lcVoid) : EST.Out
Lean.Exception lcAny PUnit :=
let _x.10 : EST.Out Lean.Exception lcAny PUnit := compile _x.1 _y.7 _y.8 _y.9;
cases _x.10 : EST.Out Lean.Exception lcAny PUnit
| EST.Out.ok (a.11 : PUnit) (a.12 : lcVoid) =>
let _x.13 : EST.Out Lean.Exception lcAny PUnit := @EST.Out.ok ◾ ◾ ◾ _x.2 a.12;
return _x.13
| EST.Out.error (a.14 : Lean.Exception) (a.15 : lcVoid) =>
return _x.10
[Compiler.result] size: 1
def _private.lean.run.erased.0._eval._closed_0 : String :=
let _x.1 : String := "Erased";
return _x.1
[Compiler.result] size: 1
def _private.lean.run.erased.0._eval._closed_1 : String :=
let _x.1 : String := "mk";
return _x.1
[Compiler.result] size: 3
def _private.lean.run.erased.0._eval._closed_2 : Lean.Name :=
let _x.1 : String := _eval._closed_1.2;
let _x.2 : String := _eval._closed_0.2;
let _x.3 : Lean.Name := Lean.Name.mkStr2 _x.2 _x.1;
return _x.3
[Compiler.result] size: 2
def _private.lean.run.erased.0._eval._closed_3 : Array Lean.Name :=
let _x.1 : Nat := 1;
let _x.2 : Array Lean.Name := Array.mkEmpty ◾ _x.1;
return _x.2
[Compiler.result] size: 3
def _private.lean.run.erased.0._eval._closed_4 : Array Lean.Name :=
let _x.1 : Lean.Name := _eval._closed_2.2;
let _x.2 : Array Lean.Name := _eval._closed_3.2;
let _x.3 : Array Lean.Name := Array.push ◾ _x.2 _x.1;
return _x.3
[Compiler.result] size: 9
def _private.lean.run.erased.0._eval (a.1 : Lean.Elab.Command.Context) (a.2 : lcAny) (a.3 : lcVoid) : EST.Out
Lean.Exception lcAny PUnit :=
let _x.4 : String := _eval._closed_0.2;
let _x.5 : String := _eval._closed_1.2;
let _x.6 : Lean.Name := _eval._closed_2.2;
let _x.7 : Nat := 1;
let _x.8 : Array Lean.Name := _eval._closed_3.2;
let _x.9 : Array Lean.Name := _eval._closed_4.2;
let _x.10 : PUnit := PUnit.unit;
let _f.11 : Lean.Elab.Term.Context →
lcAny →
Lean.Meta.Context →
lcAny →
Lean.Core.Context → lcAny → lcVoid → EST.Out Lean.Exception lcAny PUnit := _eval._lam_0.2 _x.9 _x.10;
let _x.12 : EST.Out Lean.Exception lcAny PUnit := Lean.Elab.Command.liftTermElabM._redArg _f.11 a.1 a.2 a.3;
return _x.12
-/
#guard_msgs in
run_meta Lean.Compiler.compile #[``Erased.mk]