bookshelf-doc/DocGen4/Process/Analyze.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 Lean.Data.HashMap
import Lean.Data.HashSet
import DocGen4.Process.Base
import DocGen4.Process.Hierarchy
import DocGen4.Process.DocInfo
namespace DocGen4.Process
open Lean Meta
/--
Member of a module, either a declaration or some module doc string.
-/
inductive ModuleMember where
| docInfo (info : DocInfo) : ModuleMember
| modDoc (doc : ModuleDoc) : ModuleMember
deriving Inhabited
/--
A Lean module.
-/
structure Module where
/--
Name of the module.
-/
name : Name
/--
All members of the module, sorted according to their line numbers.
-/
members : Array ModuleMember
imports : Array Name
deriving Inhabited
/--
The result of running a full doc-gen analysis on a project.
-/
structure AnalyzerResult where
/--
The map from module names to indices of the `moduleNames` array.
-/
name2ModIdx : HashMap Name ModuleIdx
/--
The list of all modules, accessible nicely via `name2ModIdx`.
-/
moduleNames : Array Name
/--
A map from module names to information about these modules.
-/
moduleInfo : HashMap Name Module
deriving Inhabited
namespace ModuleMember
def getDeclarationRange : ModuleMember → DeclarationRange
| docInfo i => i.getDeclarationRange
| modDoc i => i.declarationRange
/--
An order for module members, based on their declaration range.
-/
def order (l r : ModuleMember) : Bool :=
Position.lt l.getDeclarationRange.pos r.getDeclarationRange.pos
def getName : ModuleMember → Name
| docInfo i => i.getName
| modDoc _ => Name.anonymous
def getDocString : ModuleMember → Option String
| docInfo i => i.getDocString
| modDoc i => i.doc
def shouldRender : ModuleMember → Bool
| docInfo i => i.shouldRender
| modDoc _ => true
end ModuleMember
inductive AnalyzeTask where
| loadAll (load : Array Name) : AnalyzeTask
| loadAllLimitAnalysis (analyze : Array Name) : AnalyzeTask
def AnalyzeTask.getLoad : AnalyzeTask → Array Name
| loadAll load => load
| loadAllLimitAnalysis load => load
def getAllModuleDocs (relevantModules : Array Name) : MetaM (HashMap Name Module) := do
let env ← getEnv
let mut res := mkHashMap relevantModules.size
for module in relevantModules do
let modDocs := getModuleDoc? env module |>.getD #[] |>.map .modDoc
let some modIdx := env.getModuleIdx? module | unreachable!
let moduleData := env.header.moduleData.get! modIdx
let imports := moduleData.imports.map Import.module
res := res.insert module <| Module.mk module modDocs imports
return res
/--
Run the doc-gen analysis on all modules that are loaded into the `Environment`
of this `MetaM` run and mentioned by the `AnalyzeTask`.
-/
def process (task : AnalyzeTask) : MetaM (AnalyzerResult × Hierarchy) := do
let env ← getEnv
let relevantModules := match task with
| .loadAll _ => HashSet.fromArray env.header.moduleNames
| .loadAllLimitAnalysis analysis => HashSet.fromArray analysis
let allModules := env.header.moduleNames
let mut res ← getAllModuleDocs relevantModules.toArray
for (name, cinfo) in env.constants.toList do
let some modidx := env.getModuleIdxFor? name | unreachable!
let moduleName := env.allImportedModuleNames.get! modidx
if !relevantModules.contains moduleName then
continue
try
let config := {
maxHeartbeats := 5000000,
options := ← getOptions,
fileName := ← getFileName,
fileMap := ← getFileMap,
catchRuntimeEx := true,
}
let analysis ← Prod.fst <$> Meta.MetaM.toIO (DocInfo.ofConstant (name, cinfo)) config { env := env } {} {}
if let some dinfo := analysis then
let moduleName := env.allImportedModuleNames.get! modidx
let module := res.find! moduleName
res := res.insert moduleName {module with members := module.members.push (ModuleMember.docInfo dinfo)}
catch e =>
if let some pos := e.getRef.getPos? then
let pos := (← getFileMap).toPosition pos
IO.println s!"WARNING: Failed to obtain information in file: {pos}, for: {name}, {← e.toMessageData.toString}"
else
IO.println s!"WARNING: Failed to obtain information for: {name}: {← e.toMessageData.toString}"
-- TODO: This could probably be faster if we did sorted insert above instead
for (moduleName, module) in res.toArray do
res := res.insert moduleName {module with members := module.members.qsort ModuleMember.order}
let hierarchy := Hierarchy.fromArray allModules
let analysis := {
name2ModIdx := env.const2ModIdx,
moduleNames := allModules,
moduleInfo := res,
}
return (analysis, hierarchy)
def filterDocInfo (ms : Array ModuleMember) : Array DocInfo :=
ms.filterMap filter
where
filter : ModuleMember → Option DocInfo
| ModuleMember.docInfo i => some i
| _ => none
end DocGen4.Process