411 lines
14 KiB
Plaintext
411 lines
14 KiB
Plaintext
/-
|
||
Copyright (c) 2021 Henrik Böving. All rights reserved.
|
||
Released under Apache 2.0 license as described in the file LICENSE.
|
||
Authors: Henrik Böving
|
||
-/
|
||
|
||
import Lean
|
||
import Lean.PrettyPrinter
|
||
import Std.Data.HashMap
|
||
import Lean.Meta.SynthInstance
|
||
|
||
import DocGen4.Hierarchy
|
||
|
||
namespace DocGen4
|
||
|
||
open Lean Meta PrettyPrinter Std Widget
|
||
|
||
structure NameInfo where
|
||
name : Name
|
||
type : CodeWithInfos
|
||
deriving Inhabited
|
||
|
||
structure Arg where
|
||
name : Name
|
||
type : CodeWithInfos
|
||
binderInfo : BinderInfo
|
||
|
||
structure Info extends NameInfo where
|
||
args : Array Arg
|
||
doc : Option String
|
||
declarationRange : DeclarationRange
|
||
deriving Inhabited
|
||
|
||
structure AxiomInfo extends Info where
|
||
isUnsafe : Bool
|
||
deriving Inhabited
|
||
|
||
structure TheoremInfo extends Info
|
||
deriving Inhabited
|
||
|
||
structure OpaqueInfo extends Info where
|
||
value : CodeWithInfos
|
||
isUnsafe : Bool
|
||
deriving Inhabited
|
||
|
||
structure DefinitionInfo extends Info where
|
||
--value : CodeWithInfos
|
||
unsafeInformation : DefinitionSafety
|
||
hints : ReducibilityHints
|
||
equations : Option (Array CodeWithInfos)
|
||
deriving Inhabited
|
||
|
||
abbrev InstanceInfo := DefinitionInfo
|
||
|
||
structure InductiveInfo extends Info where
|
||
ctors : List NameInfo -- List of all constructors and their type for this inductive datatype
|
||
isUnsafe : Bool
|
||
deriving Inhabited
|
||
|
||
structure StructureInfo extends Info where
|
||
fieldInfo : Array NameInfo
|
||
parents : Array Name
|
||
ctor : NameInfo
|
||
deriving Inhabited
|
||
|
||
structure ClassInfo extends StructureInfo where
|
||
instances : Array Name
|
||
deriving Inhabited
|
||
|
||
inductive DocInfo where
|
||
| axiomInfo (info : AxiomInfo) : DocInfo
|
||
| theoremInfo (info : TheoremInfo) : DocInfo
|
||
| opaqueInfo (info : OpaqueInfo) : DocInfo
|
||
| definitionInfo (info : DefinitionInfo) : DocInfo
|
||
| instanceInfo (info : InstanceInfo) : DocInfo
|
||
| inductiveInfo (info : InductiveInfo) : DocInfo
|
||
| structureInfo (info : StructureInfo) : DocInfo
|
||
| classInfo (info : ClassInfo) : DocInfo
|
||
deriving Inhabited
|
||
|
||
namespace DocInfo
|
||
|
||
def getDeclarationRange : DocInfo → DeclarationRange
|
||
| axiomInfo i => i.declarationRange
|
||
| theoremInfo i => i.declarationRange
|
||
| opaqueInfo i => i.declarationRange
|
||
| definitionInfo i => i.declarationRange
|
||
| instanceInfo i => i.declarationRange
|
||
| inductiveInfo i => i.declarationRange
|
||
| structureInfo i => i.declarationRange
|
||
| classInfo i => i.declarationRange
|
||
|
||
def lineOrder (l r : DocInfo) : Bool :=
|
||
l.getDeclarationRange.pos.line < r.getDeclarationRange.pos.line
|
||
|
||
end DocInfo
|
||
|
||
structure Module where
|
||
name : Name
|
||
doc : Option String
|
||
-- Sorted according to their line numbers
|
||
members : Array DocInfo
|
||
deriving Inhabited
|
||
|
||
partial def typeToArgsType (e : Expr) : (Array (Name × Expr × BinderInfo) × Expr) :=
|
||
let helper := λ name type body data =>
|
||
-- 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 name.hasMacroScopes ∧ ¬data.binderInfo.isInstImplicit then
|
||
(#[], e)
|
||
else
|
||
let name := name.eraseMacroScopes
|
||
let arg := (name, type, data.binderInfo)
|
||
let (args, final) := typeToArgsType (Expr.instantiate1 body (mkFVar ⟨name⟩))
|
||
(#[arg] ++ args, final)
|
||
|
||
match e.consumeMData with
|
||
| Expr.lam name type body data => helper name type body data
|
||
| Expr.forallE name type body data => helper name type body data
|
||
| _ => (#[], e)
|
||
|
||
def prettyPrintTerm (expr : Expr) : MetaM CodeWithInfos := do
|
||
let (fmt, infos) ← formatInfos expr
|
||
let tt := TaggedText.prettyTagged fmt
|
||
let ctx := {
|
||
env := ← getEnv
|
||
mctx := ← getMCtx
|
||
options := ← getOptions
|
||
currNamespace := ← getCurrNamespace
|
||
openDecls := ← getOpenDecls
|
||
fileMap := default
|
||
}
|
||
tagExprInfos ctx infos tt
|
||
|
||
def Info.ofConstantVal (v : ConstantVal) : MetaM Info := do
|
||
let env ← getEnv
|
||
let (args, type) := typeToArgsType v.type
|
||
let type ← prettyPrintTerm type
|
||
let args ← args.mapM (λ (n, e, b) => do Arg.mk n (←prettyPrintTerm e) b)
|
||
let doc ← findDocString? env v.name
|
||
match ←findDeclarationRanges? v.name with
|
||
-- TODO: Maybe selection range is more relevant? Figure this out in the future
|
||
| some range => return Info.mk ⟨v.name, type⟩ args doc range.range
|
||
| none => panic! s!"{v.name} is a declaration without position"
|
||
|
||
def AxiomInfo.ofAxiomVal (v : AxiomVal) : MetaM AxiomInfo := do
|
||
let info ← Info.ofConstantVal v.toConstantVal
|
||
return AxiomInfo.mk info v.isUnsafe
|
||
|
||
def TheoremInfo.ofTheoremVal (v : TheoremVal) : MetaM TheoremInfo := do
|
||
let info ← Info.ofConstantVal v.toConstantVal
|
||
return TheoremInfo.mk info
|
||
|
||
def OpaqueInfo.ofOpaqueVal (v : OpaqueVal) : MetaM OpaqueInfo := do
|
||
let info ← Info.ofConstantVal v.toConstantVal
|
||
let t ← prettyPrintTerm v.value
|
||
return OpaqueInfo.mk info t v.isUnsafe
|
||
|
||
def isInstance (declName : Name) : MetaM Bool := do
|
||
(instanceExtension.getState (←getEnv)).instanceNames.contains declName
|
||
|
||
|
||
partial def stripArgs (e : Expr) : Expr :=
|
||
match e.consumeMData with
|
||
| Expr.lam name type body data =>
|
||
let name := name.eraseMacroScopes
|
||
stripArgs (Expr.instantiate1 body (mkFVar ⟨name⟩))
|
||
| Expr.forallE name type body data =>
|
||
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 valueToEq (v : DefinitionVal) : MetaM Expr := withLCtx {} {} do
|
||
let env ← getEnv
|
||
withOptions (tactic.hygienic.set . false) do
|
||
lambdaTelescope v.value fun xs body => do
|
||
let us := v.levelParams.map mkLevelParam
|
||
let type ← mkEq (mkAppN (Lean.mkConst v.name us) xs) body
|
||
let type ← mkForallFVars xs type
|
||
type
|
||
|
||
def DefinitionInfo.ofDefinitionVal (v : DefinitionVal) : MetaM DefinitionInfo := do
|
||
let info ← Info.ofConstantVal v.toConstantVal
|
||
try
|
||
let eqs? ← getEqnsFor? v.name
|
||
match eqs? with
|
||
| some eqs =>
|
||
let prettyEqs ← eqs.mapM processEq
|
||
DefinitionInfo.mk info v.safety v.hints prettyEqs
|
||
| none =>
|
||
let eq ← prettyPrintTerm $ stripArgs (←valueToEq v)
|
||
DefinitionInfo.mk info v.safety v.hints (some #[eq])
|
||
catch err =>
|
||
IO.println s!"WARNING: Failed to calculate equational lemmata for {v.name}: {←err.toMessageData.toString}"
|
||
return DefinitionInfo.mk info v.safety v.hints none
|
||
|
||
def getConstructorType (ctor : Name) : MetaM CodeWithInfos := do
|
||
let env ← getEnv
|
||
match env.find? ctor with
|
||
| some (ConstantInfo.ctorInfo i) => ←prettyPrintTerm i.type
|
||
| _ => panic! s!"Constructor {ctor} was requested but does not exist"
|
||
|
||
def InductiveInfo.ofInductiveVal (v : InductiveVal) : MetaM InductiveInfo := do
|
||
let info ← Info.ofConstantVal v.toConstantVal
|
||
let env ← getEnv
|
||
let ctors ← v.ctors.mapM (λ name => do NameInfo.mk name (←getConstructorType name))
|
||
return InductiveInfo.mk info ctors v.isUnsafe
|
||
|
||
def dropArgs (type : Expr) (n : Nat) : (Expr × List (Name × Expr)) :=
|
||
match type, n with
|
||
| e, 0 => (e, [])
|
||
| Expr.forallE name type body _, x + 1 =>
|
||
let body := body.instantiate1 $ mkFVar ⟨name⟩
|
||
let next := dropArgs body x
|
||
{ next with snd := (name, type) :: next.snd}
|
||
| e, x + 1 => panic! s!"No forallE left"
|
||
|
||
def getFieldTypes (struct : Name) (ctor : ConstructorVal) (parents : Nat) : MetaM (Array NameInfo) := do
|
||
let type := ctor.type
|
||
let (field_function, params) := dropArgs type (ctor.numParams + parents)
|
||
let (_, fields) := dropArgs field_function (ctor.numFields - parents)
|
||
let mut field_infos := #[]
|
||
for (name, type) in fields do
|
||
field_infos := field_infos.push { name := struct.append name, type := ←prettyPrintTerm type}
|
||
field_infos
|
||
|
||
def StructureInfo.ofInductiveVal (v : InductiveVal) : MetaM StructureInfo := do
|
||
let info ← Info.ofConstantVal v.toConstantVal
|
||
let env ← getEnv
|
||
let parents := getParentStructures env v.name
|
||
let ctor := getStructureCtor env v.name
|
||
let ctorType ← prettyPrintTerm ctor.type
|
||
match getStructureInfo? env v.name with
|
||
| some i =>
|
||
if i.fieldNames.size - parents.size > 0 then
|
||
return StructureInfo.mk info (←getFieldTypes v.name ctor parents.size) parents ⟨ctor.name, ctorType⟩
|
||
else
|
||
return StructureInfo.mk info #[] parents ⟨ctor.name, ctorType⟩
|
||
| none => panic! s!"{v.name} is not a structure"
|
||
|
||
def ClassInfo.ofInductiveVal (v : InductiveVal) : MetaM ClassInfo := do
|
||
let sinfo ← StructureInfo.ofInductiveVal v
|
||
let fn ← mkConstWithFreshMVarLevels v.name
|
||
let (xs, _, _) ← forallMetaTelescopeReducing (← inferType fn)
|
||
let insts ← SynthInstance.getInstances (mkAppN fn xs)
|
||
return ClassInfo.mk sinfo (insts.map Expr.constName!)
|
||
|
||
namespace DocInfo
|
||
|
||
def isBlackListed (declName : Name) : MetaM Bool := do
|
||
match ←findDeclarationRanges? declName with
|
||
| some _ =>
|
||
let env ← getEnv
|
||
declName.isInternal
|
||
<||> isAuxRecursor env declName
|
||
<||> isNoConfusion env declName
|
||
<||> isRec declName
|
||
<||> isMatcher declName
|
||
-- TODO: Evaluate whether filtering out declarations without range is sensible
|
||
| none => true
|
||
|
||
-- TODO: Is this actually the best way?
|
||
def isProjFn (declName : Name) : MetaM Bool := do
|
||
let env ← getEnv
|
||
match declName with
|
||
| Name.str parent name _ =>
|
||
if isStructure env parent then
|
||
match getStructureInfo? env parent with
|
||
| some i =>
|
||
match i.fieldNames.find? (· == name) with
|
||
| some _ => true
|
||
| none => false
|
||
| none => panic! s!"{parent} is not a structure"
|
||
else
|
||
false
|
||
| _ => false
|
||
|
||
def ofConstant : (Name × ConstantInfo) → MetaM (Option DocInfo) := λ (name, info) => do
|
||
if (←isBlackListed name) then
|
||
return none
|
||
match info with
|
||
| ConstantInfo.axiomInfo i => some $ axiomInfo (←AxiomInfo.ofAxiomVal i)
|
||
| ConstantInfo.thmInfo i => some $ theoremInfo (←TheoremInfo.ofTheoremVal i)
|
||
| ConstantInfo.opaqueInfo i => some $ opaqueInfo (←OpaqueInfo.ofOpaqueVal i)
|
||
| ConstantInfo.defnInfo i =>
|
||
if ← (isProjFn i.name) then
|
||
none
|
||
else
|
||
let info ← DefinitionInfo.ofDefinitionVal i
|
||
if (←isInstance i.name) then
|
||
some $ instanceInfo info
|
||
else
|
||
some $ definitionInfo info
|
||
| ConstantInfo.inductInfo i =>
|
||
let env ← getEnv
|
||
if isStructure env i.name then
|
||
if isClass env i.name then
|
||
some $ classInfo (←ClassInfo.ofInductiveVal i)
|
||
else
|
||
some $ structureInfo (←StructureInfo.ofInductiveVal i)
|
||
else
|
||
some $ inductiveInfo (←InductiveInfo.ofInductiveVal i)
|
||
-- we ignore these for now
|
||
| ConstantInfo.ctorInfo i => none
|
||
| ConstantInfo.recInfo i => none
|
||
| ConstantInfo.quotInfo i => none
|
||
|
||
def getName : DocInfo → Name
|
||
| axiomInfo i => i.name
|
||
| theoremInfo i => i.name
|
||
| opaqueInfo i => i.name
|
||
| definitionInfo i => i.name
|
||
| instanceInfo i => i.name
|
||
| inductiveInfo i => i.name
|
||
| structureInfo i => i.name
|
||
| classInfo i => i.name
|
||
|
||
def getKind : DocInfo → String
|
||
| axiomInfo _ => "axiom"
|
||
| theoremInfo _ => "theorem"
|
||
| opaqueInfo _ => "constant"
|
||
| definitionInfo _ => "def"
|
||
| instanceInfo _ => "instance" -- TODO: This doesnt exist in CSS yet
|
||
| inductiveInfo _ => "inductive"
|
||
| structureInfo _ => "structure"
|
||
| classInfo _ => "class" -- TODO: This is handled as structure right now
|
||
|
||
def getType : DocInfo → CodeWithInfos
|
||
| axiomInfo i => i.type
|
||
| theoremInfo i => i.type
|
||
| opaqueInfo i => i.type
|
||
| definitionInfo i => i.type
|
||
| instanceInfo i => i.type
|
||
| inductiveInfo i => i.type
|
||
| structureInfo i => i.type
|
||
| classInfo i => i.type
|
||
|
||
def getArgs : DocInfo → Array Arg
|
||
| axiomInfo i => i.args
|
||
| theoremInfo i => i.args
|
||
| opaqueInfo i => i.args
|
||
| definitionInfo i => i.args
|
||
| instanceInfo i => i.args
|
||
| inductiveInfo i => i.args
|
||
| structureInfo i => i.args
|
||
| classInfo i => i.args
|
||
|
||
end DocInfo
|
||
|
||
structure AnalyzerResult where
|
||
name2ModIdx : HashMap Name ModuleIdx
|
||
moduleNames : Array Name
|
||
moduleInfo : HashMap Name Module
|
||
hierarchy : Hierarchy
|
||
-- Indexed by ModIdx
|
||
importAdj : Array (Array Bool)
|
||
deriving Inhabited
|
||
|
||
def process : MetaM AnalyzerResult := do
|
||
let env ← getEnv
|
||
let mut res := mkHashMap env.header.moduleNames.size
|
||
for module in env.header.moduleNames do
|
||
-- TODO: Check why modules can have multiple doc strings and add that later on
|
||
let moduleDoc := match getModuleDoc? env module with
|
||
| none => none
|
||
| some #[] => none
|
||
| some doc => doc.get! 0
|
||
|
||
res := res.insert module (Module.mk module moduleDoc #[])
|
||
|
||
for cinfo in env.constants.toList do
|
||
try
|
||
let analysis := Prod.fst <$> Meta.MetaM.toIO (DocInfo.ofConstant cinfo) { maxHeartbeats := 5000000, options := ⟨[(`pp.tagAppFns, true)]⟩ } { env := env} {} {}
|
||
if let some dinfo ← analysis then
|
||
let some modidx ← env.getModuleIdxFor? dinfo.getName | unreachable!
|
||
let moduleName := env.allImportedModuleNames.get! modidx
|
||
let module := res.find! moduleName
|
||
res := res.insert moduleName {module with members := module.members.push dinfo}
|
||
catch e =>
|
||
IO.println s!"WARNING: Failed to obtain information for: {cinfo.fst}: {←e.toMessageData.toString}"
|
||
|
||
-- TODO: This is definitely not the most efficient way to store this data
|
||
let mut adj := Array.mkArray res.size (Array.mkArray res.size false)
|
||
-- TODO: This could probably be faster if we did an insertion sort above instead
|
||
for (moduleName, module) in res.toArray do
|
||
res := res.insert moduleName {module with members := module.members.qsort DocInfo.lineOrder}
|
||
let some modIdx ← env.getModuleIdx? moduleName | unreachable!
|
||
let moduleData := env.header.moduleData.get! modIdx
|
||
for imp in moduleData.imports do
|
||
let some importIdx ← env.getModuleIdx? imp.module | unreachable!
|
||
adj := adj.set! modIdx (adj.get! modIdx |>.set! importIdx true)
|
||
|
||
return {
|
||
name2ModIdx := env.const2ModIdx,
|
||
moduleNames := env.header.moduleNames,
|
||
moduleInfo := res,
|
||
hierarchy := Hierarchy.fromArray env.header.moduleNames,
|
||
importAdj := adj
|
||
}
|
||
|
||
|
||
|
||
end DocGen4
|