27 lines
987 B
Text
27 lines
987 B
Text
/-
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Copyright (c) 2021 Mac Malone. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Authors: Mac Malone
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-/
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import Lake.Config.Package
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import Lake.DSL.Attributes
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import Lake.DSL.DeclUtil
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namespace Lake.DSL
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open Lean Parser Command
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syntax scriptDeclSpec :=
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ident (ppSpace "(" Term.simpleBinder ")")? (declValSimple <|> declValDo)
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scoped syntax (name := scriptDecl)
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(docComment)? "script " scriptDeclSpec : command
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@[macro scriptDecl]
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def expandScriptDecl : Macro
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| `($[$doc?:docComment]? script $id:ident $[($args?)]? do $seq $[$wds?]?) => do
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let args := args?.getD (← `(_))
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`($[$doc?:docComment]? @[«script»] def $id : ScriptFn := fun $args => do $seq $[$wds?]?)
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| `($[$doc?:docComment]? script $id:ident $[($args?)]? := $defn $[$wds?]?) => do
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let args := args?.getD (← `(_))
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`($[$doc?:docComment]? @[«script»] def $id : ScriptFn := fun $args => $defn $[$wds?]?)
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| stx => Macro.throwErrorAt stx "ill-formed script declaration"
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