PvernacSourceThe main entry: reads an optional vernac command
Grammar entry for tactics: proof mode(s). By default Coq's grammar has an empty entry (non-terminal) for tactics. A plugin can register its non-terminal by providing a name and a grammar entry.
For example the Ltac plugin register the "Classic" grammar entry for parsing its tactics.
type proof_mode_entry = | ProofMode : {command_entry : Vernacexpr.vernac_expr Procq.Entry.t;wit_tactic_expr : ('raw, _, unit) Genarg.genarg_type;tactic_expr_entry : 'raw Procq.Entry.t;} -> proof_mode_entry