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src/Pure/Thy/thm_deps.ML

author | wenzelm |

Tue, 05 Dec 2006 00:30:38 +0100 | |

changeset 21646 | c07b5b0e8492 |

parent 20854 | f9cf9e62d11c |

child 21858 | 05f57309170c |

permissions | -rw-r--r-- |

thm/prf: separate official name vs. additional tags;

(* Title: Pure/Thy/thm_deps.ML ID: $Id$ Author: Stefan Berghofer, TU Muenchen Visualize dependencies of theorems. *) signature BASIC_THM_DEPS = sig val thm_deps : thm list -> unit end; signature THM_DEPS = sig include BASIC_THM_DEPS val enable : unit -> unit val disable : unit -> unit end; structure ThmDeps : THM_DEPS = struct open Proofterm; fun enable () = if ! proofs = 0 then proofs := 1 else (); fun disable () = proofs := 0; fun dest_thm_axm (PThm (name, prf, _, _)) = (name, prf) | dest_thm_axm (PAxm (name, _, _)) = (name ^ " (Ax)", MinProof ([], [], [])) | dest_thm_axm _ = ("", MinProof ([], [], [])); fun make_deps_graph (AbsP (_, _, prf)) = make_deps_graph prf | make_deps_graph (Abst (_, _, prf)) = make_deps_graph prf | make_deps_graph (prf1 %% prf2) = make_deps_graph prf1 #> make_deps_graph prf2 | make_deps_graph (prf % _) = make_deps_graph prf | make_deps_graph (MinProof (thms, axms, _)) = fold (make_deps_graph o Proofterm.proof_of_min_thm) thms #> fold (make_deps_graph o Proofterm.proof_of_min_axm) axms | make_deps_graph prf = (fn p as (gra, parents) => let val (name, prf') = dest_thm_axm prf in if name <> "" then if not (Symtab.defined gra name) then let val (gra', parents') = make_deps_graph prf' (gra, []); val prefx = #1 (Library.split_last (NameSpace.unpack name)); val session = (case prefx of (x :: _) => (case ThyInfo.lookup_theory x of SOME thy => let val name = #name (Present.get_info thy) in if name = "" then [] else [name] end | NONE => []) | _ => ["global"]); in if member (op =) parents' name then (gra', parents union parents') else (Symtab.update (name, {name = Sign.base_name name, ID = name, dir = space_implode "/" (session @ prefx), unfold = false, path = "", parents = parents'}) gra', insert (op =) name parents) end else (gra, insert (op =) name parents) else make_deps_graph prf' (gra, parents) end); fun thm_deps thms = Present.display_graph (map snd (Symtab.dest (fst (fold make_deps_graph (map Thm.proof_of thms) (Symtab.empty, []))))); end; structure BasicThmDeps : BASIC_THM_DEPS = ThmDeps; open BasicThmDeps;