package coq

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package coq
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notation_constr

notation_constr is the subtype of glob_constr allowed in syntactic extensions (i.e. notations). No location since intended to be substituted at any place of a text. Complex expressions such as fixpoints and cofixpoints are excluded, as well as non global expressions such as existential variables.

type notation_constr =
  1. | NRef of Names.GlobRef.t * Glob_term.glob_level list option
  2. | NVar of Names.Id.t
  3. | NApp of notation_constr * notation_constr list
  4. | NProj of Names.Constant.t * Glob_term.glob_level list option * notation_constr list * notation_constr
  5. | NHole of Evar_kinds.t * Namegen.intro_pattern_naming_expr * Genarg.glob_generic_argument option
  6. | NList of Names.Id.t * Names.Id.t * notation_constr * notation_constr * bool
  7. | NLambda of Names.Name.t * notation_constr option * notation_constr
  8. | NProd of Names.Name.t * notation_constr option * notation_constr
  9. | NBinderList of Names.Id.t * Names.Id.t * notation_constr * notation_constr * bool
  10. | NLetIn of Names.Name.t * notation_constr * notation_constr option * notation_constr
  11. | NCases of Constr.case_style * notation_constr option * (notation_constr * (Names.Name.t * (Names.inductive * Names.Name.t list) option)) list * (Glob_term.cases_pattern list * notation_constr) list
  12. | NLetTuple of Names.Name.t list * Names.Name.t * notation_constr option * notation_constr * notation_constr
  13. | NIf of notation_constr * Names.Name.t * notation_constr option * notation_constr * notation_constr
  14. | NRec of Glob_term.glob_fix_kind * Names.Id.t array * (Names.Name.t * notation_constr option * notation_constr) list array * notation_constr array * notation_constr array
  15. | NSort of Glob_term.glob_sort
  16. | NCast of notation_constr * Constr.cast_kind * notation_constr
  17. | NInt of Uint63.t
  18. | NFloat of Float64.t
  19. | NArray of notation_constr array * notation_constr * notation_constr

Note concerning NList: first constr is iterator, second is terminator; first id is where each argument of the list has to be substituted in iterator and snd id is alternative name just for printing; boolean is associativity

Types concerning notations

type scope_name = string
type tmp_scope_name = scope_name
type subscopes = tmp_scope_name option * scope_name list
type extended_subscopes = Constrexpr.notation_entry_level * subscopes

Type of the meta-variables of an notation_constr: in a recursive pattern x..y, x carries the sequence of objects bound to the list x..y

type constr_as_binder_kind =
  1. | AsIdent
  2. | AsName
  3. | AsNameOrPattern
  4. | AsStrictPattern
type notation_binder_source =
  1. | NtnParsedAsPattern of bool
  2. | NtnParsedAsIdent
  3. | NtnParsedAsName
  4. | NtnBinderParsedAsConstr of constr_as_binder_kind
  5. | NtnParsedAsBinder
type notation_var_instance_type =
  1. | NtnTypeConstr
  2. | NtnTypeBinder of notation_binder_source
  3. | NtnTypeConstrList
  4. | NtnTypeBinderList
type notation_var_internalization_type =
  1. | NtnInternTypeAny of scope_name option
  2. | NtnInternTypeOnlyBinder

Type of variables when interpreting a constr_expr as a notation_constr: in a recursive pattern x..y, both x and y carry the individual type of each element of the list x..y

This characterizes to what a notation is interpreted to

type reversibility_status =
  1. | APrioriReversible
  2. | HasLtac
  3. | NonInjective of Names.Id.t list
type notation_interp_env = {
  1. ninterp_var_type : notation_var_internalization_type Names.Id.Map.t;
  2. ninterp_rec_vars : Names.Id.t Names.Id.Map.t;
}