src/Pure/Isar/context_rules.ML
changeset 27809 a1e409db516b
parent 26463 9283b4185fdf
child 29582 0950f4f0d0cd
equal deleted inserted replaced
27808:4dd3d5efcc7f 27809:a1e409db516b
   203 
   203 
   204 
   204 
   205 (* concrete syntax *)
   205 (* concrete syntax *)
   206 
   206 
   207 fun add_args a b c = Attrib.syntax
   207 fun add_args a b c = Attrib.syntax
   208   (Scan.lift ((Args.bang >> K a || Args.query >> K c || Scan.succeed b) -- Scan.option Args.nat)
   208   (Scan.lift ((Args.bang >> K a || Args.query >> K c || Scan.succeed b) --
   209     >> (fn (f, n) => f n));
   209     Scan.option OuterParse.nat) >> (fn (f, n) => f n));
   210 
   210 
   211 val rule_atts =
   211 val rule_atts =
   212  [("intro", add_args intro_bang intro intro_query, "declaration of introduction rule"),
   212  [("intro", add_args intro_bang intro intro_query, "declaration of introduction rule"),
   213   ("elim", add_args elim_bang elim elim_query, "declaration of elimination rule"),
   213   ("elim", add_args elim_bang elim elim_query, "declaration of elimination rule"),
   214   ("dest", add_args dest_bang dest dest_query, "declaration of destruction rule"),
   214   ("dest", add_args dest_bang dest dest_query, "declaration of destruction rule"),