Ajout du langage de tactiques

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@401 85f007b7-540e-0410-9357-904b9bb8a0f7

1 files changed, 106 insertions, 0 deletions

diff --git a/proofs/proof_type.ml b/proofs/proof_type.ml
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+++ b/proofs/proof_type.ml
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+(*i*)
+open Environ
+open Evd
+open Names
+open Stamps
+open Term
+open Util
+(*i*)
+
+(*This module defines the structure of proof tree and the tactic type. So, it
+  is used by Proof_tree and Refiner*)
+
+type bindOcc = 
+  | Dep of identifier
+  | NoDep of int
+  | Com
+
+type 'a substitution = (bindOcc * 'a) list
+
+type pf_status = Complete_proof | Incomplete_proof
+
+type prim_rule_name = 
+  | Intro
+  | Intro_after
+  | Intro_replacing
+  | Fix
+  | Cofix
+  | Refine 
+  | Convert_concl
+  | Convert_hyp
+  | Thin
+  | Move of bool
+
+type prim_rule = {
+  name : prim_rule_name;
+  hypspecs : identifier list;
+  newids : identifier list;
+  params : Coqast.t list;
+  terms : constr list }
+
+type local_constraints = Intset.t
+
+type ctxtty = {
+  pgm    : constr option;
+  lc     : local_constraints } 
+
+type evar_declarations = ctxtty evar_map
+
+(* A global constraint is a mappings of existential variables
+   with some extra information for the program tactic *)
+type global_constraints  = evar_declarations timestamped
+
+(*Signature useful to define the tactic type*)
+type 'a sigma = { 
+  it : 'a ; 
+  sigma : global_constraints }
+
+(*s Proof trees. 
+  [ref] = [None] if the goal has still to be proved, 
+  and [Some (r,l)] if the rule [r] was applied to the goal
+  and gave [l] as subproofs to be completed. 
+  [subproof] = [(Some p)] if [ref = (Some(Tactic t,l))]; 
+  [p] is then the proof that the goal can be proven if the goals
+  in [l] are solved. *)
+type proof_tree = {
+  status : pf_status;
+  goal : goal;
+  ref : (rule * proof_tree list) option; 
+  subproof : proof_tree option }
+
+and rule =
+  | Prim of prim_rule
+  | Tactic of tactic_expression
+  | Context of ctxtty
+  | Local_constraints of local_constraints
+
+and goal = ctxtty evar_info
+
+and tactic = goal sigma -> (goal list sigma * validation)
+
+and validation = (proof_tree list -> proof_tree)
+
+and tactic_arg =
+    Command       of Coqast.t
+  | Constr        of constr
+  | Identifier    of identifier
+  | Integer       of int
+  | Clause        of identifier list
+  | Bindings      of Coqast.t substitution
+  | Cbindings     of constr   substitution 
+  | Quoted_string of string
+  | Tacexp        of Coqast.t
+  | Tac           of tactic
+  | Redexp        of Tacred.red_expr
+  | Fixexp        of identifier * int * Coqast.t
+  | Cofixexp      of identifier * Coqast.t
+  | Letpatterns   of (int list option * (identifier * int list) list)
+  | Intropattern  of intro_pattern
+
+and intro_pattern =
+  | IdPat   of identifier
+  | DisjPat of intro_pattern list
+  | ConjPat of intro_pattern list
+  | ListPat of intro_pattern list  
+
+and tactic_expression = string * tactic_arg list