bookshelf-doc/DocGen4/Process/DefinitionInfo.lean

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/-
Copyright (c) 2022 Henrik Böving. All rights reserved.
Released under Apache 2.0 license as described in the file LICENSE.
Authors: Henrik Böving
-/
import Lean
import DocGen4.Process.Base
import DocGen4.Process.NameInfo
namespace DocGen4.Process
open Lean Meta Widget
partial def stripArgs (e : Expr) : Expr :=
match e.consumeMData with
| Expr.forallE name _ body _ =>
let name := name.eraseMacroScopes
stripArgs (Expr.instantiate1 body (mkFVar ⟨name⟩))
| _ => e
def processEq (eq : Name) : MetaM CodeWithInfos := do
let type ← (mkConstWithFreshMVarLevels eq >>= inferType)
let final := stripArgs type
prettyPrintTerm final
def DefinitionInfo.ofDefinitionVal (v : DefinitionVal) : MetaM DefinitionInfo := do
let info ← Info.ofConstantVal v.toConstantVal
let isUnsafe := v.safety == DefinitionSafety.unsafe
let isNonComputable := isNoncomputable (← getEnv) v.name
try
let eqs? ← getEqnsFor? v.name
let equations ← eqs?.mapM (·.mapM processEq)
return {
toInfo := info,
isUnsafe,
hints := v.hints,
equations,
isNonComputable
}
catch err =>
IO.println s!"WARNING: Failed to calculate equational lemmata for {v.name}: {← err.toMessageData.toString}"
return {
toInfo := info,
isUnsafe,
hints := v.hints,
equations := none,
isNonComputable
}
end DocGen4.Process