src/HOL/Import/replay.ML
changeset 14516 a183dec876ab
child 14620 1be590fd2422
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/HOL/Import/replay.ML	Fri Apr 02 17:37:45 2004 +0200
@@ -0,0 +1,333 @@
+structure Replay =
+struct
+
+structure P = ProofKernel
+
+open ProofKernel
+
+exception REPLAY of string * string
+fun ERR f mesg = REPLAY (f,mesg)
+fun NY f = raise ERR f "NOT YET!"
+
+fun replay_proof int_thms thyname thmname prf thy =
+    let
+	fun rp (PRefl tm) thy = P.REFL tm thy
+	  | rp (PInstT(p,lambda)) thy =
+	    let
+		val (thy',th) = rp' p thy
+	    in
+		P.INST_TYPE lambda th thy'
+	    end
+	  | rp (PSubst(prfs,ctxt,prf)) thy =
+	    let
+		val (thy',ths) = foldr (fn (p,(thy,ths)) =>
+					   let
+					       val (thy',th) = rp' p thy
+					   in
+					       (thy',th::ths)
+					   end) (prfs,(thy,[]))
+		val (thy'',th) = rp' prf thy'
+	    in
+		P.SUBST ths ctxt th thy''
+	    end
+	  | rp (PAbs(prf,v)) thy =
+	    let
+		val (thy',th) = rp' prf thy
+	    in
+		P.ABS v th thy'
+	    end
+	  | rp (PDisch(prf,tm)) thy =
+	    let
+		val (thy',th) = rp' prf thy
+	    in
+		P.DISCH tm th thy'
+	    end
+	  | rp (PMp(prf1,prf2)) thy =
+	    let
+		val (thy1,th1) = rp' prf1 thy
+		val (thy2,th2) = rp' prf2 thy1
+	    in
+		P.MP th1 th2 thy2
+	    end
+	  | rp (PHyp tm) thy = P.ASSUME tm thy
+	  | rp (PDef(seg,name,rhs)) thy =
+	    (case P.get_def seg name rhs thy of
+		 (thy',Some res) => (thy',res)
+	       | (thy',None) => 
+		 if seg = thyname
+		 then P.new_definition seg name rhs thy'
+		 else raise ERR "replay_proof" "Too late for term definition")
+	  | rp (POracle(tg,asl,c)) thy = (*P.mk_oracle_thm tg (map be_contract asl,c)*) NY "ORACLE"
+	  | rp (PSpec(prf,tm)) thy =
+	    let
+		val (thy',th) = rp' prf thy
+	    in
+		P.SPEC tm th thy'
+	    end
+	  | rp (PInst(prf,theta)) thy =
+	    let
+		val (thy',th) = rp' prf thy
+	    in
+		P.INST theta th thy'
+	    end
+	  | rp (PGen(prf,v)) thy =
+	    let
+		val (thy',th) = rp' prf thy
+	    in
+		P.GEN v th thy'
+	    end
+	  | rp (PGenAbs(prf,opt,vl)) thy =
+	    let
+		val (thy',th) = rp' prf thy
+	    in
+		P.GEN_ABS opt vl th thy'
+	    end
+	  | rp (PImpAS(prf1,prf2)) thy =
+	    let
+		val (thy1,th1) = rp' prf1 thy
+		val (thy2,th2) = rp' prf2 thy1
+	    in
+		P.IMP_ANTISYM th1 th2 thy2
+	    end
+	  | rp (PSym prf) thy =
+	    let
+		val (thy1,th) = rp' prf thy
+	    in
+		P.SYM th thy1
+	    end
+	  | rp (PTrans(prf1,prf2)) thy =
+	    let
+		val (thy1,th1) = rp' prf1 thy
+		val (thy2,th2) = rp' prf2 thy1
+	    in
+		P.TRANS th1 th2 thy2
+	    end
+	  | rp (PComb(prf1,prf2)) thy =
+	    let
+		val (thy1,th1) = rp' prf1 thy
+		val (thy2,th2) = rp' prf2 thy1
+	    in
+		P.COMB th1 th2 thy2
+	    end
+	  | rp (PEqMp(prf1,prf2)) thy =
+	    let
+		val (thy1,th1) = rp' prf1 thy
+		val (thy2,th2) = rp' prf2 thy1
+	    in
+		P.EQ_MP th1 th2 thy2
+	    end
+	  | rp (PEqImp prf) thy =
+	    let
+		val (thy',th) = rp' prf thy
+	    in
+		P.EQ_IMP_RULE th thy'
+	    end
+	  | rp (PExists(prf,ex,wit)) thy =
+	    let
+		val (thy',th) = rp' prf thy
+	    in
+		P.EXISTS ex wit th thy'
+	    end
+	  | rp (PChoose(v,prf1,prf2)) thy =
+	    let
+		val (thy1,th1) = rp' prf1 thy
+		val (thy2,th2) = rp' prf2 thy1
+	    in
+		P.CHOOSE v th1 th2 thy2
+	    end
+	  | rp (PConj(prf1,prf2)) thy =
+	    let
+		val (thy1,th1) = rp' prf1 thy
+		val (thy2,th2) = rp' prf2 thy1
+	    in
+		P.CONJ th1 th2 thy2
+	    end
+	  | rp (PConjunct1 prf) thy =
+	    let
+		val (thy',th) = rp' prf thy
+	    in
+		P.CONJUNCT1 th thy'
+	    end
+	  | rp (PConjunct2 prf) thy =
+	    let
+		val (thy',th) = rp' prf thy
+	    in
+		P.CONJUNCT2 th thy'
+	    end
+	  | rp (PDisj1(prf,tm)) thy =
+	    let
+		val (thy',th) = rp' prf thy
+	    in
+		P.DISJ1 th tm thy'
+	    end
+	  | rp (PDisj2(prf,tm)) thy =
+	    let
+		val (thy',th) = rp' prf thy
+	    in
+		P.DISJ2 tm th thy'
+	    end
+	  | rp (PDisjCases(prf,prf1,prf2)) thy =
+	    let
+		val (thy',th)  = rp' prf  thy
+		val (thy1,th1) = rp' prf1 thy'
+		val (thy2,th2) = rp' prf2 thy1
+	    in
+		P.DISJ_CASES th th1 th2 thy2
+	    end
+	  | rp (PNotI prf) thy =
+	    let
+		val (thy',th) = rp' prf thy
+	    in
+		P.NOT_INTRO th thy'
+	    end
+	  | rp (PNotE prf) thy =
+	    let
+		val (thy',th) = rp' prf thy
+	    in
+		P.NOT_ELIM th thy'
+	    end
+	  | rp (PContr(prf,tm)) thy =
+	    let
+		val (thy',th) = rp' prf thy
+	    in
+		P.CCONTR tm th thy'
+	    end
+	  | rp (PTmSpec _) _ = raise ERR "rp" "Shouldn't reach here (PTmSpec)"
+	  | rp (PTyDef _) _ = raise ERR "rp" "Shouldn't reach here (PTyDef)"
+	  | rp (PTyIntro _) _ = raise ERR "rp" "Shouldn't reach here (PTyIntro)"
+	  | rp PDisk _ = raise ERR "rp" "Shouldn't reach here (PDisk)"
+	  | rp _ _ = raise ERR "rp" "What the hell is this? Which case did I forget?"
+	and rp' p thy =
+	    let
+		val pc = content_of p
+	    in
+		case pc of
+		    PDisk => (case disk_info_of p of
+				  Some(thyname',thmname) =>
+				  (case Int.fromString thmname of
+				       SOME i =>
+				       if thyname' = thyname
+				       then
+					   (case Array.sub(int_thms,i-1) of
+						None =>
+						let
+						    val (thy',th) = rp' (snd (import_proof thyname' thmname thy) thy) thy
+						    val _ = Array.update(int_thms,i-1,Some th)
+						in
+						    (thy',th)
+						end
+					      | Some th => (thy,th))
+				       else raise ERR "replay_proof" ("Library " ^ thyname' ^ " should be built before " ^ thyname ^ " (" ^ thmname ^ ")")
+				     | NONE => 
+				       (case P.get_thm thyname' thmname thy of
+					    (thy',Some res) => (thy',res)
+					  | (thy',None) => 
+					    if thyname' = thyname
+					    then
+						let
+						    val _ = writeln ("Found no " ^ thmname ^ " theorem, replaying...")
+						    val (f_opt,prf) = import_proof thyname' thmname thy'
+						    val prf = prf thy'
+						    val (thy',th) = replay_proof int_thms thyname' thmname prf thy'
+						in
+						    case content_of prf of
+							PTmSpec _ => (thy',th)
+						      | PTyDef  _ => (thy',th)
+						      | PTyIntro _ => (thy',th)
+						      | _ => P.store_thm thyname' thmname th thy'
+						end
+					    else raise ERR "replay_proof" ("Library " ^ thyname' ^ " should be built before " ^ thyname ^ " (" ^ thmname ^ ")")))
+				| None => raise ERR "rp'.PDisk" "Not enough information")
+		  | PAxm(name,c) =>
+		    (case P.get_axiom thyname name thy of
+			    (thy',Some res) => (thy',res)
+			  | (thy',None) => P.new_axiom name c thy')
+		  | PTmSpec(seg,names,prf') =>
+		    let
+			val (thy',th) = rp' prf' thy
+		    in
+			P.new_specification seg thmname names th thy'
+		    end
+		  | PTyDef(seg,name,prf') =>
+		    let
+			val (thy',th) = rp' prf' thy
+		    in
+			P.new_type_definition seg thmname name th thy'
+		    end
+		  | PTyIntro(seg,name,abs_name,rep_name,P,t,prf') =>
+		    let
+			val (thy',th) = rp' prf' thy
+		    in
+			P.type_introduction seg thmname name abs_name rep_name (P,t) th thy'
+		    end
+		  | _ => rp pc thy
+	    end
+    in
+	rp' prf thy handle e => (writeln "Exception in replay_proof"; print_exn e)
+    end
+
+fun setup_int_thms thyname thy =
+    let
+	val is = TextIO.openIn(P.get_proof_dir thyname thy ^"/facts.lst")
+	val (num_int_thms,facts) =
+	    let
+		fun get_facts facts =
+		    case TextIO.inputLine is of
+			"" => (case facts of
+				   i::facts => (valOf (Int.fromString i),rev facts)
+				 | _ => raise ERR "replay_thm" "Bad facts.lst file")
+		      | fact => get_facts ((String.substring(fact,0,String.size fact -1 ))::facts)
+	    in
+		get_facts []
+	    end
+	val _ = TextIO.closeIn is
+	val int_thms = Array.array(num_int_thms,None:thm option)
+    in
+	(int_thms,facts)
+    end
+
+fun import_single_thm thyname int_thms thmname thy =
+    let
+	fun replay_fact (thmname,thy) =
+	    let
+		val _ = writeln ("Replaying " ^ thmname)
+		val prf = mk_proof PDisk
+		val _ = set_disk_info_of prf thyname thmname
+	    in
+		fst (replay_proof int_thms thyname thmname prf thy)
+	    end
+    in
+	replay_fact (thmname,thy)
+    end
+
+fun import_thms thyname int_thms thmnames thy =
+    let
+	fun replay_fact (thy,thmname) =
+	    let
+		val _ = writeln ("Replaying " ^ thmname)
+		val prf = mk_proof PDisk
+		val _ = set_disk_info_of prf thyname thmname
+	    in
+		fst (replay_proof int_thms thyname thmname prf thy)
+	    end
+	val res_thy = foldl replay_fact (thy,thmnames)
+    in
+	res_thy
+    end
+
+fun import_thm thyname thmname thy =
+    let
+	val int_thms = fst (setup_int_thms thyname thy)
+	fun replay_fact (thmname,thy) =
+	    let
+		val _ = writeln ("Replaying " ^ thmname)
+		val prf = mk_proof PDisk
+		val _ = set_disk_info_of prf thyname thmname
+	    in
+		fst (replay_proof int_thms thyname thmname prf thy)
+	    end
+    in
+	replay_fact (thmname,thy)
+    end
+
+end