package coq

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package coq
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type vernac_flag_type =
  1. | FlagIdent of string
  2. | FlagString of string

The type of parsing attribute data

type vernac_flags = vernac_flag list
and vernac_flag = (string * vernac_flag_value) CAst.t
and vernac_flag_value =
  1. | VernacFlagEmpty
  2. | VernacFlagLeaf of vernac_flag_type
  3. | VernacFlagList of vernac_flags
val pr_vernac_flag : vernac_flag -> Pp.t
type +'a attribute

The type of attributes. When parsing attributes if an 'a attribute is present then an 'a value will be produced. In the most general case, an attribute transforms the raw flags along with its value.

val parse : 'a attribute -> vernac_flags -> 'a

Errors on unsupported attributes.

val unsupported_attributes : vernac_flags -> unit

Errors if the list of flags is nonempty.

module Notations : sig ... end

Notations to combine attributes.

Definitions for some standard attributes.

val raw_attributes : vernac_flags attribute
val polymorphic : bool attribute
val program : bool attribute
val template : bool option attribute
val locality : bool option attribute
val option_locality : Goptions.option_locality attribute
val deprecation : Deprecation.t option attribute
val canonical_field : bool attribute
val canonical_instance : bool attribute
val using : string option attribute
val hint_locality : default:(unit -> Hints.hint_locality) -> Hints.hint_locality attribute
val really_hint_locality : Hints.hint_locality attribute

With the warning for Hint (and not for Instance etc)

val typing_flags : Declarations.typing_flags option attribute

Enable/Disable universe checking

val program_mode_option_name : string list

For internal use when messing with the global option.

val only_locality : vernac_flags -> bool option

Parse attributes allowing only locality.

val only_polymorphism : vernac_flags -> bool

Parse attributes allowing only polymorphism. Uses the global flag for the default value.

val parse_drop_extra : 'a attribute -> vernac_flags -> 'a

Ignores unsupported attributes.

val parse_with_extra : 'a attribute -> vernac_flags -> vernac_flags * 'a

Returns unsupported attributes.

* Defining attributes.

type 'a key_parser = ?loc:Loc.t -> 'a option -> vernac_flag_value -> 'a

A parser for some key in an attribute. It is given a nonempty 'a option when the attribute is multiply set for some command.

eg in #[polymorphic] Monomorphic Definition foo := ..., when parsing Monomorphic it will be given Some true.

val attribute_of_list : (string * 'a key_parser) list -> 'a option attribute

Make an attribute from a list of key parsers together with their associated key.

val bool_attribute : name:string -> bool option attribute

Define boolean attribute name, of the form name={yes,no}. The attribute may only be set once for a command.

val qualify_attribute : string -> 'a attribute -> 'a attribute

qualified_attribute qual att treats #[qual(atts)] like att treats atts.

Combinators to help define your own parsers. See the implementation of bool_attribute for practical use.

val assert_empty : ?loc:Loc.t -> string -> vernac_flag_value -> unit

assert_empty key v errors if v is not empty. key is used in the error message as the name of the attribute.

val assert_once : ?loc:Loc.t -> name:string -> 'a option -> unit

assert_once ~name v errors if v is not empty. name is used in the error message as the name of the attribute. Used to ensure that a given attribute is not reapeated.

val single_key_parser : name:string -> key:string -> 'a -> 'a key_parser

single_key_parser ~name ~key v makes a parser for attribute name giving the constant value v for key key taking no arguments. name may only be given once.

val make_attribute : (vernac_flags -> vernac_flags * 'a) -> 'a attribute

Make an attribute using the internal representation, thus with access to the full power of attributes. Unstable.

val vernac_polymorphic_flag : Loc.t option -> vernac_flag

Compatibility values for parsing Polymorphic.

val vernac_monomorphic_flag : Loc.t option -> vernac_flag
val universe_polymorphism_option_name : string list

For internal use.

val is_universe_polymorphism : unit -> bool
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