bookshelf/DocGen4/Process/NameInfo.lean

57 lines
2.2 KiB
Plaintext
Raw Normal View History

2023-05-11 13:27:25 +00:00
/-
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.Attributes
namespace DocGen4.Process
open Lean Meta
def NameInfo.ofTypedName (n : Name) (t : Expr) : MetaM NameInfo := do
let env ← getEnv
return { name := n, type := ← prettyPrintTerm t, doc := ← findDocString? env n}
2023-11-08 01:36:00 +00:00
partial def argTypeTelescope {α : Type} (e : Expr) (k : Array ((Option Name) × Expr × BinderInfo) → Expr → MetaM α) : MetaM α :=
go e #[]
where
go (e : Expr) (args : Array ((Option Name) × Expr × BinderInfo)) : MetaM α := do
let helper := fun name type body bi =>
-- Once we hit a name with a macro scope we stop traversing the expression
-- and print what is left after the : instead. The only exception
-- to this is instances since these almost never have a name
-- but should still be printed as arguments instead of after the :.
if bi.isInstImplicit && name.hasMacroScopes then
let arg := (none, type, bi)
Meta.withLocalDecl name bi type fun fvar => do
go (Expr.instantiate1 body fvar) (args.push arg)
else if name.hasMacroScopes then
k args e
else
let arg := (some name, type, bi)
Meta.withLocalDecl name bi type fun fvar => do
go (Expr.instantiate1 body fvar) (args.push arg)
match e.consumeMData with
| Expr.forallE name type body binderInfo => helper name type body binderInfo
| _ => k args e
2023-05-11 13:27:25 +00:00
def Info.ofConstantVal (v : ConstantVal) : MetaM Info := do
2023-11-08 01:36:00 +00:00
argTypeTelescope v.type fun args type => do
let args ← args.mapM (fun (n, e, b) => do return Arg.mk n (← prettyPrintTerm e) b)
let nameInfo ← NameInfo.ofTypedName v.name type
match ← findDeclarationRanges? v.name with
-- TODO: Maybe selection range is more relevant? Figure this out in the future
| some range =>
return {
toNameInfo := nameInfo,
args,
declarationRange := range.range,
attrs := ← getAllAttributes v.name
}
| none => panic! s!"{v.name} is a declaration without position"
2023-05-11 13:27:25 +00:00
end DocGen4.Process