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|
(.module:
[library
[lux "*"
["_" test {"+" [Test]}]
["[0]" meta]
[abstract
[monad {"+" [do]}]]
[control
["[0]" try]
["[0]" exception]
["<>" parser
["<[0]>" code]]]
[data
[text
["%" format]]
[collection
["[0]" list]
[dictionary
["[0]" plist]]]]
["[0]" macro
[syntax {"+" [syntax:]}]
["[0]" code]]
[math
["[0]" random {"+" [Random]}]
[number
["n" nat]]]]]
[\\library
["[0]" /]])
(syntax: (macro_error [macro <code>.any])
(function (_ compiler)
(case ((macro.expansion macro) compiler)
{#try.Failure error}
{#try.Success [compiler (list (code.text error))]}
{#try.Success _}
{#try.Failure "OOPS!"})))
(def: (constant output)
(-> Code Macro)
("lux macro"
(function (_ inputs lux)
{#try.Success [lux (list output)]})))
(syntax: (with [name (<code>.tuple (<>.and <code>.text <code>.text))
constant <code>.any
pre_remove <code>.bit
body <code>.any])
(macro.with_identifiers [g!output]
(do meta.monad
[pop! (/.push (list [name (..constant constant)]))
[module short] (meta.normal name)
_ (if pre_remove
(let [remove_macro! (: (-> .Module .Module)
(revised@ #.definitions (plist.lacks short)))]
(function (_ lux)
{#try.Success [(revised@ #.modules (plist.revised module remove_macro!) lux)
[]]}))
(in []))]
(let [pre_expansion (` (let [(~ g!output) (~ body)]
(exec (~ pop!)
(~ g!output))))]
(if pre_remove
(macro.full_expansion pre_expansion)
(in (list pre_expansion)))))))
(def: .public test
Test
(<| (_.covering /._)
(do [! random.monad]
[expected random.nat]
($_ _.and
(_.cover [/.push]
(..with ["" "actual"] expected #0
(n.= expected (..actual))))
(_.cover [/.unknown_module]
(exception.match? /.unknown_module
(..macro_error
(..with ["123yolo456" "actual"] expected #0
(n.= expected (..actual))))))
(_.cover [/.cannot_shadow_definition]
(exception.match? /.cannot_shadow_definition
(..macro_error
(..with ["" "with"] expected #0
(n.= expected (..actual))))))
(_.cover [/.unknown_definition]
(exception.match? /.unknown_definition
(<| ..macro_error
(..with ["" "actual"] expected #1)
(n.= expected (..actual)))))
))))
|
