feat: go to def on parser aliases
This commit is contained in:
Mario Carneiro
Sebastian Ullrich
parent
12c8845026
commit
59b32da2d9
7 changed files with 130 additions and 94 deletions
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@ -53,11 +53,17 @@ def ensureUnaryOutput (x : Term × Nat) : Term :=
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@[inline] private def withNestedParser (x : ToParserDescr) : ToParserDescr := do
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withReader (fun ctx => { ctx with leftRec := false, first := false }) x
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/-- (Try to) a term info for the category `catName` at `ref`. -/
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/-- (Try to) add a term info for the category `catName` at `ref`. -/
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def addCategoryInfo (ref : Syntax) (catName : Name) : TermElabM Unit := do
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let declName := ``Lean.Parser.Category ++ catName
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if (← getEnv).contains declName then
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addTermInfo' ref (Lean.mkConst declName)
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let declName := ``Lean.Parser.Category ++ catName
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if (← getEnv).contains declName then
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addTermInfo' ref (Lean.mkConst declName)
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/-- (Try to) add a term info for the alias with info `info` at `ref`. -/
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def addAliasInfo (ref : Syntax) (info : Parser.ParserAliasInfo) : TermElabM Unit := do
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if (← getInfoState).enabled then
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if (← getEnv).contains info.declName then
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addTermInfo' ref (Lean.mkConst info.declName)
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def checkLeftRec (stx : Syntax) : ToParserDescrM Bool := do
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let ctx ← read
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@ -161,6 +167,7 @@ where
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processAlias (id : Syntax) (args : Array Syntax) := do
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let aliasName := id.getId.eraseMacroScopes
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let info ← Parser.getParserAliasInfo aliasName
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addAliasInfo id info
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let args ← args.mapM (withNestedParser ∘ process)
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let (args, stackSz) := if let some stackSz := info.stackSz? then
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if !info.autoGroupArgs then
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@ -205,14 +212,14 @@ where
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let sep := stx[3]
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let psep ← if stx[4].isNone then `(ParserDescr.symbol $sep) else ensureUnaryOutput <$> withNestedParser do process stx[4][1]
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let allowTrailingSep := !stx[5].isNone
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return (← `(ParserDescr.sepBy $p $sep $psep $(quote allowTrailingSep)), 1)
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return (← `((with_annotate_term $(stx[0]) @ParserDescr.sepBy) $p $sep $psep $(quote allowTrailingSep)), 1)
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processSepBy1 (stx : Syntax) := do
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let p ← ensureUnaryOutput <$> withNestedParser do process stx[1]
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let sep := stx[3]
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let psep ← if stx[4].isNone then `(ParserDescr.symbol $sep) else ensureUnaryOutput <$> withNestedParser do process stx[4][1]
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let allowTrailingSep := !stx[5].isNone
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return (← `(ParserDescr.sepBy1 $p $sep $psep $(quote allowTrailingSep)), 1)
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return (← `((with_annotate_term $(stx[0]) @ParserDescr.sepBy1) $p $sep $psep $(quote allowTrailingSep)), 1)
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isValidAtom (s : String) : Bool :=
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!s.isEmpty &&
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@ -235,9 +242,8 @@ where
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| none => throwUnsupportedSyntax
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processNonReserved (stx : Syntax) := do
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match stx[1].isStrLit? with
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| some atom => return (← `(ParserDescr.nonReservedSymbol $(quote atom) false), 1)
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| none => throwUnsupportedSyntax
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let some atom := stx[1].isStrLit? | throwUnsupportedSyntax
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return (← `((with_annotate_term $(stx[0]) @ParserDescr.nonReservedSymbol) $(quote atom) false), 1)
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end Term
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@ -42,7 +42,7 @@ builtin_initialize
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register_parser_alias orelse
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register_parser_alias andthen { stackSz? := none }
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registerAlias "notFollowedBy" (notFollowedBy · "element")
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registerAlias "notFollowedBy" ``notFollowedBy (notFollowedBy · "element")
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Parenthesizer.registerAlias "notFollowedBy" notFollowedBy.parenthesizer
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Formatter.registerAlias "notFollowedBy" notFollowedBy.formatter
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@ -210,6 +210,7 @@ def getBinaryAlias {α} (mapRef : IO.Ref (AliasTable α)) (aliasName : Name) : I
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abbrev ParserAliasValue := AliasValue Parser
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structure ParserAliasInfo where
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declName : Name := .anonymous
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/-- Number of syntax nodes produced by this parser. `none` means "sum of input sizes". -/
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stackSz? : Option Nat := some 1
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/-- Whether arguments should be wrapped in `group(·)` if they do not produce exactly one syntax node. -/
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@ -223,11 +224,11 @@ def getParserAliasInfo (aliasName : Name) : IO ParserAliasInfo := do
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return (← parserAliases2infoRef.get).findD aliasName {}
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-- Later, we define macro `register_parser_alias` which registers a parser, formatter and parenthesizer
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def registerAlias (aliasName : Name) (p : ParserAliasValue) (kind? : Option SyntaxNodeKind := none) (info : ParserAliasInfo := {}) : IO Unit := do
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def registerAlias (aliasName declName : Name) (p : ParserAliasValue) (kind? : Option SyntaxNodeKind := none) (info : ParserAliasInfo := {}) : IO Unit := do
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registerAliasCore parserAliasesRef aliasName p
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if let some kind := kind? then
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parserAlias2kindRef.modify (·.insert aliasName kind)
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parserAliases2infoRef.modify (·.insert aliasName info)
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parserAliases2infoRef.modify (·.insert aliasName { info with declName })
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instance : Coe Parser ParserAliasValue := { coe := AliasValue.const }
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instance : Coe (Parser → Parser) ParserAliasValue := { coe := AliasValue.unary }
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@ -175,7 +175,7 @@ macro_rules
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let [(fullDeclName, [])] ← Macro.resolveGlobalName declName.getId |
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Macro.throwError "expected non-overloaded constant name"
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let aliasName := aliasName?.getD (Syntax.mkStrLit declName.getId.toString)
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`(do Parser.registerAlias $aliasName $declName $(info?.getD (Unhygienic.run `({}))) (kind? := some $(kind?.getD (quote fullDeclName)))
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`(do Parser.registerAlias $aliasName ``$declName $declName $(info?.getD (Unhygienic.run `({}))) (kind? := some $(kind?.getD (quote fullDeclName)))
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PrettyPrinter.Formatter.registerAlias $aliasName $(mkIdentFrom declName (declName.getId ++ `formatter))
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PrettyPrinter.Parenthesizer.registerAlias $aliasName $(mkIdentFrom declName (declName.getId ++ `parenthesizer)))
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@ -78,7 +78,11 @@ macro_rules
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mycmd 1
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--^ textDocument/hover
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syntax "mycmd'" term : command
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syntax "mycmd'" ppSpace sepBy1(term, " + ") : command
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--^ textDocument/hover
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--^ textDocument/hover
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--^ textDocument/hover
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/-- My ultimate command -/
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elab_rules : command
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| `(mycmd' $e) => do Lean.Elab.Command.elabCommand (← `(/-- hi -/ @[inline] def hi := $e))
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@ -77,185 +77,209 @@
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{"start": {"line": 77, "character": 0}, "end": {"line": 77, "character": 7}},
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"contents": {"value": "My way better command ", "kind": "markdown"}}
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{"textDocument": {"uri": "file://hover.lean"},
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"position": {"line": 85, "character": 2}}
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"position": {"line": 80, "character": 16}}
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{"range":
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{"start": {"line": 85, "character": 0}, "end": {"line": 85, "character": 8}},
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{"start": {"line": 80, "character": 16}, "end": {"line": 80, "character": 23}},
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"contents":
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{"value":
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"```lean\nLean.Parser.ppSpace : Lean.Parser.Parser\n```\n***\nNo-op parser that advises the pretty printer to emit a space/soft line break. ",
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"kind": "markdown"}}
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{"textDocument": {"uri": "file://hover.lean"},
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"position": {"line": 80, "character": 24}}
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{"range":
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{"start": {"line": 80, "character": 24}, "end": {"line": 80, "character": 31}},
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"contents":
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{"value":
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"```lean\nLean.ParserDescr.sepBy1 : Lean.ParserDescr → String → Lean.ParserDescr → optParam Bool false → Lean.ParserDescr\n```",
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"kind": "markdown"}}
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{"textDocument": {"uri": "file://hover.lean"},
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"position": {"line": 80, "character": 31}}
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{"range":
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{"start": {"line": 80, "character": 31}, "end": {"line": 80, "character": 35}},
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"contents":
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{"value":
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"```lean\nLean.Parser.Category.term : Lean.Parser.Category\n```\n***\n`term` is the builtin syntax category for terms. A term denotes an expression\nin lean's type theory, for example `2 + 2` is a term. The difference between\n`Term` and `Expr` is that the former is a kind of syntax, while the latter is\nthe result of elaboration. For example `by simp` is also a `Term`, but it elaborates\nto different `Expr`s depending on the context. ",
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"kind": "markdown"}}
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{"textDocument": {"uri": "file://hover.lean"},
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"position": {"line": 89, "character": 2}}
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{"range":
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{"start": {"line": 89, "character": 0}, "end": {"line": 89, "character": 8}},
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"contents": {"value": "My ultimate command ", "kind": "markdown"}}
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{"textDocument": {"uri": "file://hover.lean"},
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"position": {"line": 89, "character": 10}}
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"position": {"line": 93, "character": 10}}
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null
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{"textDocument": {"uri": "file://hover.lean"},
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"position": {"line": 93, "character": 8}}
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"position": {"line": 97, "character": 8}}
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{"range":
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{"start": {"line": 97, "character": 8}, "end": {"line": 97, "character": 10}},
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"contents":
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{"value":
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"```lean\nid.{0} : ∀ {α : Prop}, α → α\n```\n***\nIdentity function ",
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"kind": "markdown"}}
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{"textDocument": {"uri": "file://hover.lean"},
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"position": {"line": 93, "character": 10}}
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"position": {"line": 97, "character": 10}}
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"contents": {"value": "```lean\nTrue\n```", "kind": "markdown"}}
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{"textDocument": {"uri": "file://hover.lean"},
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"position": {"line": 100, "character": 2}}
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{"start": {"line": 104, "character": 2}, "end": {"line": 104, "character": 3}},
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"contents": {"value": "```lean\nn : Id Nat\n```", "kind": "markdown"}}
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{"textDocument": {"uri": "file://hover.lean"},
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"position": {"line": 107, "character": 9}}
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"end": {"line": 111, "character": 17}},
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"contents": {"value": "```lean\nfoo : Nat\n```", "kind": "markdown"}}
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{"textDocument": {"uri": "file://hover.lean"},
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"position": {"line": 112, "character": 7}}
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"end": {"line": 119, "character": 17}},
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"contents": {"value": "```lean\n_root_.foo : Nat\n```", "kind": "markdown"}}
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{"textDocument": {"uri": "file://hover.lean"},
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"contents":
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{"value": "```lean\nBar.Foo.mk : Nat → Foo\n```", "kind": "markdown"}}
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"contents":
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{"value": "```lean\nBar.Foo.hi : Foo → Nat\n```", "kind": "markdown"}}
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"contents": {"value": "```lean\nBar.Bar.mk : Bar\n```", "kind": "markdown"}}
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{"textDocument": {"uri": "file://hover.lean"},
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"contents":
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{"value": "```lean\nBar.instToStringNat : ToString Nat\n```",
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"kind": "markdown"}}
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"contents":
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{"start": {"line": 141, "character": 10},
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"end": {"line": 141, "character": 16}},
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"contents":
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{"value": "A type universe. `Type ≡ Type 0`, `Type u ≡ Sort (u + 1)`. ",
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"kind": "markdown"}}
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|
||||
{"textDocument": {"uri": "file://hover.lean"},
|
||||
"position": {"line": 152, "character": 8}}
|
||||
"position": {"line": 156, "character": 8}}
|
||||
{"range":
|
||||
{"start": {"line": 152, "character": 8}, "end": {"line": 152, "character": 9}},
|
||||
{"start": {"line": 156, "character": 8}, "end": {"line": 156, "character": 9}},
|
||||
"contents": {"value": "```lean\nx : Nat\n```", "kind": "markdown"}}
|
||||
{"textDocument": {"uri": "file://hover.lean"},
|
||||
"position": {"line": 155, "character": 8}}
|
||||
"position": {"line": 159, "character": 8}}
|
||||
[{"targetUri": "file://hover.lean",
|
||||
"targetSelectionRange":
|
||||
{"start": {"line": 152, "character": 8},
|
||||
"end": {"line": 152, "character": 9}},
|
||||
{"start": {"line": 156, "character": 8},
|
||||
"end": {"line": 156, "character": 9}},
|
||||
"targetRange":
|
||||
{"start": {"line": 152, "character": 8},
|
||||
"end": {"line": 152, "character": 9}},
|
||||
{"start": {"line": 156, "character": 8},
|
||||
"end": {"line": 156, "character": 9}},
|
||||
"originSelectionRange":
|
||||
{"start": {"line": 155, "character": 8},
|
||||
"end": {"line": 155, "character": 9}}}]
|
||||
{"start": {"line": 159, "character": 8},
|
||||
"end": {"line": 159, "character": 9}}}]
|
||||
{"textDocument": {"uri": "file://hover.lean"},
|
||||
"position": {"line": 155, "character": 8}}
|
||||
"position": {"line": 159, "character": 8}}
|
||||
{"range":
|
||||
{"start": {"line": 155, "character": 8}, "end": {"line": 155, "character": 9}},
|
||||
{"start": {"line": 159, "character": 8}, "end": {"line": 159, "character": 9}},
|
||||
"contents": {"value": "```lean\nx : Nat\n```", "kind": "markdown"}}
|
||||
{"textDocument": {"uri": "file://hover.lean"},
|
||||
"position": {"line": 160, "character": 25}}
|
||||
"position": {"line": 164, "character": 25}}
|
||||
{"range":
|
||||
{"start": {"line": 160, "character": 25},
|
||||
"end": {"line": 160, "character": 26}},
|
||||
{"start": {"line": 164, "character": 25},
|
||||
"end": {"line": 164, "character": 26}},
|
||||
"contents": {"value": "```lean\nn : Nat\n```", "kind": "markdown"}}
|
||||
{"textDocument": {"uri": "file://hover.lean"},
|
||||
"position": {"line": 163, "character": 2}}
|
||||
"position": {"line": 167, "character": 2}}
|
||||
null
|
||||
{"textDocument": {"uri": "file://hover.lean"},
|
||||
"position": {"line": 169, "character": 2}}
|
||||
"position": {"line": 173, "character": 2}}
|
||||
{"range":
|
||||
{"start": {"line": 169, "character": 2},
|
||||
"end": {"line": 169, "character": 15}},
|
||||
{"start": {"line": 173, "character": 2},
|
||||
"end": {"line": 173, "character": 15}},
|
||||
"contents":
|
||||
{"value":
|
||||
"`· tac` focuses on the main goal and tries to solve it using `tac`, or else fails. ",
|
||||
"kind": "markdown"}}
|
||||
{"textDocument": {"uri": "file://hover.lean"},
|
||||
"position": {"line": 172, "character": 28}}
|
||||
"position": {"line": 176, "character": 28}}
|
||||
{"range":
|
||||
{"start": {"line": 172, "character": 27},
|
||||
"end": {"line": 172, "character": 32}},
|
||||
{"start": {"line": 176, "character": 27},
|
||||
"end": {"line": 176, "character": 32}},
|
||||
"contents":
|
||||
{"value":
|
||||
"```lean\nId Nat\n```\n***\nYou can use parentheses for\n- Grouping expressions, e.g., `a * (b + c)`.\n- Creating tuples, e.g., `(a, b, c)` is notation for `Prod.mk a (Prod.mk b c)`.\n- Performing type ascription, e.g., `(0 : Int)` instructs Lean to process `0` as a value of type `Int`.\n- Creating `Unit.unit`, `()` is just a shorthand for `Unit.unit`.\n- Creating simple functions when combined with `·`. Here are some examples:\n - `(· + 1)` is shorthand for `fun x => x + 1`\n - `(· + ·)` is shorthand for `fun x y => x + y`\n - `(f · a b)` is shorthand for `fun x => f x a b`\n - `(h (· + 1) ·)` is shorthand for `fun x => h (fun y => y + 1) x`\n",
|
||||
|
|
|
|||
|
|
@ -5,4 +5,5 @@ def «termFoo*_» : Lean.ParserDescr✝ :=
|
|||
ParserDescr.node✝ `«termFoo*_» 1022
|
||||
(ParserDescr.binary✝ `andthen (ParserDescr.symbol✝ "foo")
|
||||
(ParserDescr.binary✝ `orelse (ParserDescr.symbol✝ "*")
|
||||
(ParserDescr.sepBy1✝ (ParserDescr.cat✝ `term 0) "," (ParserDescr.symbol✝ ", ") Bool.false✝)))
|
||||
((with_annotate_term"sepBy1(" @ParserDescr.sepBy1✝) (ParserDescr.cat✝ `term 0) "," (ParserDescr.symbol✝ ", ")
|
||||
Bool.false✝)))
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue