package coq

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Formal proof management system

Install

dune-project

Dependency

coq.inria.fr Edit opam file Versions (40)

Authors

T

The Coq development team, INRIA, CNRS, and contributors.

Maintainers

C

coqdev@inria.fr

Sources

coq-8.14.1.tar.gz

sha256=3cbfc1e1a72b16d4744f5b64ede59586071e31d9c11c811a0372060727bfd9c3

doc/ltac_plugin/Ltac_plugin/Tactic_matching/index.html

Module `Ltac_plugin.Tactic_matching`Source

This file extends Matching with the main logic for Ltac's (lazy)match and (lazy)match goal.

Sourcetype 'a t = {

subst : Constr_matching.bound_ident_map * Ltac_pretype.extended_patvar_map;
context : EConstr.constr Names.Id.Map.t;
terms : EConstr.constr Names.Id.Map.t;
lhs : 'a;

}

t is the type of matching successes. It ultimately contains a Tacexpr.glob_tactic_expr representing the left-hand side of the corresponding matching rule, a matching substitution to be applied, a context substitution mapping identifier to context like those of Matching.matching_result), and a Term.constr substitution mapping corresponding to matched hypotheses.

Source

val match_term : 
  Environ.env ->
  Evd.evar_map ->
  EConstr.constr ->
  (Constr_matching.binding_bound_vars * Pattern.constr_pattern,
    Tacexpr.glob_tactic_expr)
    Tacexpr.match_rule
    list ->
  Tacexpr.glob_tactic_expr t Proofview.tactic

match_term env sigma term rules matches the term term with the set of matching rules rules. The environment env and the evar_map sigma are not currently used, but avoid code duplication.

Source

val match_goal : 
  Environ.env ->
  Evd.evar_map ->
  EConstr.named_context ->
  EConstr.constr ->
  (Constr_matching.binding_bound_vars * Pattern.constr_pattern,
    Tacexpr.glob_tactic_expr)
    Tacexpr.match_rule
    list ->
  Tacexpr.glob_tactic_expr t Proofview.tactic

match_goal env sigma hyps concl rules matches the goal hyps|-concl with the set of matching rules rules. The environment env and the evar_map sigma are used to check convertibility for pattern variables shared between hypothesis patterns or the conclusion pattern.