35 lines
1.2 KiB
Plaintext
35 lines
1.2 KiB
Plaintext
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signature OLD_DEFS=
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sig
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end
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structure Old_Defs : OLD_DEFS =
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struct
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fun read ctxt (b, str) =
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Syntax.read_prop ctxt str handle ERROR msg =>
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cat_error msg ("The error(s) above occurred in definition " ^ Binding.print b);
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fun add_defs ((unchecked, overloaded), args) thy =
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(legacy_feature "Old 'defs' command -- use 'definition' (with 'overloading') instead";
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let
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val ctxt = Syntax.init_pretty_global thy;
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in
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thy |>
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(if unchecked then Global_Theory.add_defs_unchecked else Global_Theory.add_defs)
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overloaded
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(map (fn ((b, ax), srcs) => ((b, read ctxt (b, ax)), map (Attrib.attribute_cmd_global thy) srcs)) args)
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|> snd
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end);
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val opt_unchecked_overloaded =
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Scan.optional (@{keyword "("} |-- Parse.!!!
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(((@{keyword "unchecked"} >> K true) --
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Scan.optional (@{keyword "overloaded"} >> K true) false ||
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@{keyword "overloaded"} >> K (false, true)) --| @{keyword ")"})) (false, false);
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val _ =
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Outer_Syntax.command @{command_keyword defs} "define constants"
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(opt_unchecked_overloaded --
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Scan.repeat1 (Parse_Spec.thm_name ":" -- Parse.prop >> (fn ((x, y), z) => ((x, z), y)))
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>> (Toplevel.theory o add_defs));
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end
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