src/Pure/Isar/proof.ML
author wenzelm
Tue, 21 Nov 2006 18:07:40 +0100
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child 21449 0413b46ee5ef
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simplified theorem(_i); notes: proper kind; renamed put_thms_internal to put_thms;
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(*  Title:      Pure/Isar/proof.ML
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    ID:         $Id$
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    Author:     Markus Wenzel, TU Muenchen
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The Isar/VM proof language interpreter: maintains a structured flow of
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context elements, goals, refinements, and facts.
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*)
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signature PROOF =
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sig
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  type context (*= Context.proof*)
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  type method (*= Method.method*)
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  type state
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  val init: context -> state
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  val level: state -> int
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  val assert_bottom: bool -> state -> state
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  val context_of: state -> context
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  val theory_of: state -> theory
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  val map_context: (context -> context) -> state -> state
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  val add_binds_i: (indexname * term option) list -> state -> state
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  val put_thms: string * thm list option -> state -> state
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  val the_facts: state -> thm list
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  val the_fact: state -> thm
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  val put_facts: thm list option -> state -> state
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  val assert_forward: state -> state
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  val assert_chain: state -> state
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  val assert_forward_or_chain: state -> state
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  val assert_backward: state -> state
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  val assert_no_chain: state -> state
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  val enter_forward: state -> state
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  val get_goal: state -> context * (thm list * thm)
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  val schematic_goal: state -> bool
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  val show_main_goal: bool ref
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  val verbose: bool ref
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  val pretty_state: int -> state -> Pretty.T list
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  val pretty_goals: bool -> state -> Pretty.T list
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  val refine: Method.text -> state -> state Seq.seq
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  val refine_end: Method.text -> state -> state Seq.seq
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  val refine_insert: thm list -> state -> state
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  val goal_tac: thm -> int -> tactic
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  val refine_goals: (context -> thm -> unit) -> context -> thm list -> state -> state Seq.seq
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  val match_bind: (string list * string) list -> state -> state
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  val match_bind_i: (term list * term) list -> state -> state
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  val let_bind: (string list * string) list -> state -> state
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  val let_bind_i: (term list * term) list -> state -> state
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  val fix: (string * string option * mixfix) list -> state -> state
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  val fix_i: (string * typ option * mixfix) list -> state -> state
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  val assm: Assumption.export ->
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    ((string * Attrib.src list) * (string * string list) list) list -> state -> state
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  val assm_i: Assumption.export ->
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    ((string * attribute list) * (term * term list) list) list -> state -> state
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  val assume: ((string * Attrib.src list) * (string * string list) list) list -> state -> state
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  val assume_i: ((string * attribute list) * (term * term list) list) list -> state -> state
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  val presume: ((string * Attrib.src list) * (string * string list) list) list -> state -> state
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  val presume_i: ((string * attribute list) * (term * term list) list) list -> state -> state
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  val def: ((string * Attrib.src list) *
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    ((string * mixfix) * (string * string list))) list -> state -> state
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  val def_i: ((string * attribute list) *
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    ((string * mixfix) * (term * term list))) list -> state -> state
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  val chain: state -> state
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  val chain_facts: thm list -> state -> state
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  val get_thmss: state -> (thmref * Attrib.src list) list -> thm list
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  val simple_note_thms: string -> thm list -> state -> state
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  val note_thmss: ((string * Attrib.src list) *
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    (thmref * Attrib.src list) list) list -> state -> state
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  val note_thmss_i: ((string * attribute list) *
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    (thm list * attribute list) list) list -> state -> state
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  val from_thmss: ((thmref * Attrib.src list) list) list -> state -> state
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  val from_thmss_i: ((thm list * attribute list) list) list -> state -> state
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  val with_thmss: ((thmref * Attrib.src list) list) list -> state -> state
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  val with_thmss_i: ((thm list * attribute list) list) list -> state -> state
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  val using: ((thmref * Attrib.src list) list) list -> state -> state
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  val using_i: ((thm list * attribute list) list) list -> state -> state
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  val unfolding: ((thmref * Attrib.src list) list) list -> state -> state
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  val unfolding_i: ((thm list * attribute list) list) list -> state -> state
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  val invoke_case: string * string option list * Attrib.src list -> state -> state
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  val invoke_case_i: string * string option list * attribute list -> state -> state
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  val begin_block: state -> state
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  val next_block: state -> state
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  val end_block: state -> state
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  val proof: Method.text option -> state -> state Seq.seq
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  val defer: int option -> state -> state Seq.seq
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  val prefer: int -> state -> state Seq.seq
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  val apply: Method.text -> state -> state Seq.seq
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  val apply_end: Method.text -> state -> state Seq.seq
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  val local_goal: (context -> ((string * string) * (string * thm list) list) -> unit) ->
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    (theory -> 'a -> attribute) ->
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    (context * 'b list -> context * (term list list * (context -> context))) ->
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    string -> Method.text option -> (thm list list -> state -> state Seq.seq) ->
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    ((string * 'a list) * 'b) list -> state -> state
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  val local_qed: Method.text option * bool -> state -> state Seq.seq
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  val theorem: Method.text option -> (thm list list -> context -> context) ->
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    (string * string list) list list -> context -> state
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  val theorem_i: Method.text option -> (thm list list -> context -> context) ->
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    (term * term list) list list -> context -> state
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  val global_qed: Method.text option * bool -> state -> context
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  val local_terminal_proof: Method.text * Method.text option -> state -> state Seq.seq
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  val local_default_proof: state -> state Seq.seq
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  val local_immediate_proof: state -> state Seq.seq
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  val local_done_proof: state -> state Seq.seq
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  val local_skip_proof: bool -> state -> state Seq.seq
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  val global_terminal_proof: Method.text * Method.text option -> state -> context
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  val global_default_proof: state -> context
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  val global_immediate_proof: state -> context
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  val global_done_proof: state -> context
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  val global_skip_proof: bool -> state -> context
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  val have: Method.text option -> (thm list list -> state -> state Seq.seq) ->
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    ((string * Attrib.src list) * (string * string list) list) list -> bool -> state -> state
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  val have_i: Method.text option -> (thm list list -> state -> state Seq.seq) ->
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    ((string * attribute list) * (term * term list) list) list -> bool -> state -> state
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  val show: Method.text option -> (thm list list -> state -> state Seq.seq) ->
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    ((string * Attrib.src list) * (string * string list) list) list -> bool -> state -> state
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  val show_i: Method.text option -> (thm list list -> state -> state Seq.seq) ->
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    ((string * attribute list) * (term * term list) list) list -> bool -> state -> state
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end;
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structure Proof: PROOF =
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struct
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type context = Context.proof;
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type method = Method.method;
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(** proof state **)
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(* datatype state *)
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datatype mode = Forward | Chain | Backward;
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datatype state =
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  State of node Stack.T
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and node =
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  Node of
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   {context: context,
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    facts: thm list option,
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    mode: mode,
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    goal: goal option}
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and goal =
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  Goal of
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   {statement: string * term list list,     (*goal kind and statement, starting with vars*)
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    using: thm list,                        (*goal facts*)
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    goal: thm,                              (*subgoals ==> statement*)
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    before_qed: Method.text option,
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    after_qed:
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      (thm list list -> state -> state Seq.seq) *
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      (thm list list -> context -> context)};
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fun make_goal (statement, using, goal, before_qed, after_qed) =
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  Goal {statement = statement, using = using, goal = goal,
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    before_qed = before_qed, after_qed = after_qed};
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fun make_node (context, facts, mode, goal) =
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  Node {context = context, facts = facts, mode = mode, goal = goal};
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fun map_node f (Node {context, facts, mode, goal}) =
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  make_node (f (context, facts, mode, goal));
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fun init ctxt = State (Stack.init (make_node (ctxt, NONE, Forward, NONE)));
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fun current (State st) = Stack.top st |> (fn Node node => node);
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fun map_current f (State st) = State (Stack.map_top (map_node f) st);
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(** basic proof state operations **)
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(* block structure *)
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fun open_block (State st) = State (Stack.push st);
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fun close_block (State st) = State (Stack.pop st)
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  handle Empty => error "Unbalanced block parentheses";
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fun level (State st) = Stack.level st;
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fun assert_bottom b state =
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  let val b' = (level state <= 2) in
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    if b andalso not b' then error "Not at bottom of proof!"
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    else if not b andalso b' then error "Already at bottom of proof!"
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    else state
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  end;
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(* context *)
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val context_of = #context o current;
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val theory_of = ProofContext.theory_of o context_of;
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fun map_context f =
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  map_current (fn (ctxt, facts, mode, goal) => (f ctxt, facts, mode, goal));
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fun map_context_result f state =
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  f (context_of state) ||> (fn ctxt => map_context (K ctxt) state);
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val add_binds_i = map_context o ProofContext.add_binds_i;
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val put_thms = map_context o ProofContext.put_thms;
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(* facts *)
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val get_facts = #facts o current;
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fun the_facts state =
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  (case get_facts state of SOME facts => facts
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  | NONE => error "No current facts available");
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fun the_fact state =
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  (case the_facts state of [thm] => thm
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  | _ => error "Single theorem expected");
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fun put_facts facts =
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  map_current (fn (ctxt, _, mode, goal) => (ctxt, facts, mode, goal)) #>
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  put_thms (AutoBind.thisN, facts);
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fun these_factss more_facts (named_factss, state) =
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  (named_factss, state |> put_facts (SOME (maps snd named_factss @ more_facts)));
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fun export_facts inner outer =
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  (case get_facts inner of
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    NONE => put_facts NONE outer
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  | SOME thms =>
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      thms
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      |> ProofContext.export (context_of inner) (context_of outer)
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      |> (fn ths => put_facts (SOME ths) outer));
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(* mode *)
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val get_mode = #mode o current;
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fun put_mode mode = map_current (fn (ctxt, facts, _, goal) => (ctxt, facts, mode, goal));
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val mode_name = (fn Forward => "state" | Chain => "chain" | Backward => "prove");
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fun assert_mode pred state =
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  let val mode = get_mode state in
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    if pred mode then state
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    else error ("Illegal application of proof command in " ^ quote (mode_name mode) ^ " mode")
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  end;
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val assert_forward = assert_mode (fn mode => mode = Forward);
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val assert_chain = assert_mode (fn mode => mode = Chain);
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val assert_forward_or_chain = assert_mode (fn mode => mode = Forward orelse mode = Chain);
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val assert_backward = assert_mode (fn mode => mode = Backward);
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val assert_no_chain = assert_mode (fn mode => mode <> Chain);
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val enter_forward = put_mode Forward;
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val enter_chain = put_mode Chain;
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val enter_backward = put_mode Backward;
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(* current goal *)
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fun current_goal state =
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  (case current state of
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    {context, goal = SOME (Goal goal), ...} => (context, goal)
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  | _ => error "No current goal!");
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fun assert_current_goal g state =
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  let val g' = can current_goal state in
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    if g andalso not g' then error "No goal in this block!"
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    else if not g andalso g' then error "Goal present in this block!"
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    else state
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  end;
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fun put_goal goal = map_current (fn (ctxt, using, mode, _) => (ctxt, using, mode, goal));
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val before_qed = #before_qed o #2 o current_goal;
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(* nested goal *)
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fun map_goal f g (State (Node {context, facts, mode, goal = SOME goal}, nodes)) =
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      let
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        val Goal {statement, using, goal, before_qed, after_qed} = goal;
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        val goal' = make_goal (g (statement, using, goal, before_qed, after_qed));
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      in State (make_node (f context, facts, mode, SOME goal'), nodes) end
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  | map_goal f g (State (nd, node :: nodes)) =
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      let val State (node', nodes') = map_goal f g (State (node, nodes))
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      in map_context f (State (nd, node' :: nodes')) end
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  | map_goal _ _ state = state;
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fun set_goal goal = map_goal I (fn (statement, using, _, before_qed, after_qed) =>
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  (statement, using, goal, before_qed, after_qed));
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fun using_facts using = map_goal I (fn (statement, _, goal, before_qed, after_qed) =>
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  (statement, using, goal, before_qed, after_qed));
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local
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  fun find i state =
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    (case try current_goal state of
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      SOME (ctxt, goal) => (ctxt, (i, goal))
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    | NONE => find (i + 1) (close_block state handle ERROR _ => error "No goal present"));
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in val find_goal = find 0 end;
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fun get_goal state =
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  let val (ctxt, (_, {using, goal, ...})) = find_goal state
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  in (ctxt, (using, goal)) end;
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fun schematic_goal state =
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  let val (_, (_, {statement = (_, propss), ...})) = find_goal state in
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    exists (exists (Term.exists_subterm Term.is_Var)) propss orelse
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    exists (exists (Term.exists_type (Term.exists_subtype Term.is_TVar))) propss
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  end;
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(** pretty_state **)
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val show_main_goal = ref false;
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val verbose = ProofContext.verbose;
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val pretty_goals_local = Display.pretty_goals_aux o ProofContext.pp;
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fun pretty_facts _ _ NONE = []
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  | pretty_facts s ctxt (SOME ths) =
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   316
      [Pretty.big_list (s ^ "this:") (map (ProofContext.pretty_thm ctxt) ths), Pretty.str ""];
6756
fe6eb161df3e improved print_state;
wenzelm
parents: 6752
diff changeset
   317
17359
543735c6f424 major cleanup of interfaces and implementation;
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parents: 17203
diff changeset
   318
fun pretty_state nr state =
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   319
  let
17359
543735c6f424 major cleanup of interfaces and implementation;
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parents: 17203
diff changeset
   320
    val {context, facts, mode, goal = _} = current state;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   321
    val ref (_, _, bg) = Display.current_goals_markers;
5820
ff3c82b47603 Proof states and methods.
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parents:
diff changeset
   322
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   323
    fun levels_up 0 = ""
17359
543735c6f424 major cleanup of interfaces and implementation;
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parents: 17203
diff changeset
   324
      | levels_up 1 = "1 level up"
543735c6f424 major cleanup of interfaces and implementation;
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parents: 17203
diff changeset
   325
      | levels_up i = string_of_int i ^ " levels up";
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   326
11556
8e0768929662 print_state: subgoals;
wenzelm
parents: 11549
diff changeset
   327
    fun subgoals 0 = ""
17359
543735c6f424 major cleanup of interfaces and implementation;
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parents: 17203
diff changeset
   328
      | subgoals 1 = "1 subgoal"
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   329
      | subgoals n = string_of_int n ^ " subgoals";
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   330
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   331
    fun description strs =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   332
      (case filter_out (equal "") strs of [] => ""
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   333
      | strs' => enclose " (" ")" (commas strs'));
12146
8e02a45f77e2 added multi_theorem(_i);
wenzelm
parents: 12096
diff changeset
   334
21442
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   335
    fun prt_goal (SOME (ctxt, (i, {using, goal, before_qed, after_qed, ...}))) =
17359
543735c6f424 major cleanup of interfaces and implementation;
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parents: 17203
diff changeset
   336
          pretty_facts "using " ctxt
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   337
            (if mode <> Backward orelse null using then NONE else SOME using) @
21442
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   338
          [Pretty.str ("goal" ^
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   339
            description [levels_up (i div 2), subgoals (Thm.nprems_of goal)] ^ ":")] @
17359
543735c6f424 major cleanup of interfaces and implementation;
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parents: 17203
diff changeset
   340
          pretty_goals_local ctxt bg (true, ! show_main_goal) (! Display.goals_limit) goal
543735c6f424 major cleanup of interfaces and implementation;
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parents: 17203
diff changeset
   341
      | prt_goal NONE = [];
6848
3d82756e1af5 tuned print_state;
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parents: 6798
diff changeset
   342
17359
543735c6f424 major cleanup of interfaces and implementation;
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parents: 17203
diff changeset
   343
    val prt_ctxt =
543735c6f424 major cleanup of interfaces and implementation;
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parents: 17203
diff changeset
   344
      if ! verbose orelse mode = Forward then ProofContext.pretty_context context
18670
c3f445b92aff uniform handling of fixes;
wenzelm
parents: 18607
diff changeset
   345
      else if mode = Backward then ProofContext.pretty_ctxt context
7575
e1e2d07287d8 improved output;
wenzelm
parents: 7556
diff changeset
   346
      else [];
17359
543735c6f424 major cleanup of interfaces and implementation;
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parents: 17203
diff changeset
   347
  in
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   348
    [Pretty.str ("proof (" ^ mode_name mode ^ "): step " ^ string_of_int nr ^
543735c6f424 major cleanup of interfaces and implementation;
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parents: 17203
diff changeset
   349
      (if ! verbose then ", depth " ^ string_of_int (level state div 2 - 1) else "")),
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   350
      Pretty.str ""] @
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   351
    (if null prt_ctxt then [] else prt_ctxt @ [Pretty.str ""]) @
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   352
    (if ! verbose orelse mode = Forward then
543735c6f424 major cleanup of interfaces and implementation;
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parents: 17203
diff changeset
   353
       pretty_facts "" context facts @ prt_goal (try find_goal state)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   354
     else if mode = Chain then pretty_facts "picking " context facts
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   355
     else prt_goal (try find_goal state))
543735c6f424 major cleanup of interfaces and implementation;
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parents: 17203
diff changeset
   356
  end;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   357
12085
235576bea937 pretty_goals_local: observes context syntax;
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parents: 12065
diff changeset
   358
fun pretty_goals main state =
19188
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   359
  let val (ctxt, (_, goal)) = get_goal state
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   360
  in pretty_goals_local ctxt "" (false, main) (! Display.goals_limit) goal end;
10320
26d4b84eb047 added pretty_goals;
wenzelm
parents: 9482
diff changeset
   361
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   362
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   363
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   364
(** proof steps **)
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   365
17359
543735c6f424 major cleanup of interfaces and implementation;
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parents: 17203
diff changeset
   366
(* refine via method *)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   367
8234
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   368
local
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   369
16146
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   370
fun goalN i = "goal" ^ string_of_int i;
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   371
fun goals st = map goalN (1 upto Thm.nprems_of st);
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   372
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   373
fun no_goal_cases st = map (rpair NONE) (goals st);
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   374
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   375
fun goal_cases st =
18607
7b074c340aac RuleCases.make_common;
wenzelm
parents: 18548
diff changeset
   376
  RuleCases.make_common true (Thm.theory_of_thm st, Thm.prop_of st) (map (rpair []) (goals st));
16146
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   377
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   378
fun apply_method current_context meth_fun state =
6848
3d82756e1af5 tuned print_state;
wenzelm
parents: 6798
diff changeset
   379
  let
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   380
    val (goal_ctxt, (_, {statement, using, goal, before_qed, after_qed})) = find_goal state;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   381
    val meth = meth_fun (if current_context then context_of state else goal_ctxt);
16146
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   382
  in
18228
628c11780077 cases_tactic;
wenzelm
parents: 18186
diff changeset
   383
    Method.apply meth using goal |> Seq.map (fn (meth_cases, goal') =>
6848
3d82756e1af5 tuned print_state;
wenzelm
parents: 6798
diff changeset
   384
      state
16146
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   385
      |> map_goal
18475
02093ed55e05 auto cases: marked improper;
wenzelm
parents: 18450
diff changeset
   386
          (ProofContext.add_cases false (no_goal_cases goal @ goal_cases goal') #>
02093ed55e05 auto cases: marked improper;
wenzelm
parents: 18450
diff changeset
   387
           ProofContext.add_cases true meth_cases)
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   388
          (K (statement, using, goal', before_qed, after_qed)))
16146
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   389
  end;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   390
19188
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   391
fun select_goals n meth state =
19224
a32d9dbe9551 select_goals: split original conjunctions;
wenzelm
parents: 19188
diff changeset
   392
  state
a32d9dbe9551 select_goals: split original conjunctions;
wenzelm
parents: 19188
diff changeset
   393
  |> (#2 o #2 o get_goal)
a32d9dbe9551 select_goals: split original conjunctions;
wenzelm
parents: 19188
diff changeset
   394
  |> ALLGOALS Tactic.conjunction_tac
a32d9dbe9551 select_goals: split original conjunctions;
wenzelm
parents: 19188
diff changeset
   395
  |> Seq.maps (fn goal =>
19188
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   396
    state
19224
a32d9dbe9551 select_goals: split original conjunctions;
wenzelm
parents: 19188
diff changeset
   397
    |> Seq.lift set_goal (Goal.extract 1 n goal |> Seq.maps (Tactic.conjunction_tac 1))
19188
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   398
    |> Seq.maps meth
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   399
    |> Seq.maps (fn state' => state'
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   400
      |> Seq.lift set_goal (Goal.retrofit 1 n (#2 (#2 (get_goal state'))) goal))
19224
a32d9dbe9551 select_goals: split original conjunctions;
wenzelm
parents: 19188
diff changeset
   401
    |> Seq.maps (apply_method true (K Method.succeed)));
19188
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   402
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   403
fun apply_text cc text state =
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   404
  let
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   405
    val thy = theory_of state;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   406
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   407
    fun eval (Method.Basic m) = apply_method cc m
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   408
      | eval (Method.Source src) = apply_method cc (Method.method thy src)
20031
f5c39548101e apply_text: support Method.Source_i;
wenzelm
parents: 19995
diff changeset
   409
      | eval (Method.Source_i src) = apply_method cc (Method.method_i thy src)
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   410
      | eval (Method.Then txts) = Seq.EVERY (map eval txts)
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   411
      | eval (Method.Orelse txts) = Seq.FIRST (map eval txts)
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   412
      | eval (Method.Try txt) = Seq.TRY (eval txt)
19188
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   413
      | eval (Method.Repeat1 txt) = Seq.REPEAT1 (eval txt)
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   414
      | eval (Method.SelectGoals (n, txt)) = select_goals n (eval txt);
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   415
  in eval text state end;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   416
8234
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   417
in
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   418
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   419
val refine = apply_text true;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   420
val refine_end = apply_text false;
8234
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   421
18908
fb080097e436 added refine_insert;
wenzelm
parents: 18878
diff changeset
   422
fun refine_insert [] = I
fb080097e436 added refine_insert;
wenzelm
parents: 18878
diff changeset
   423
  | refine_insert ths = Seq.hd o refine (Method.Basic (K (Method.insert ths)));
fb080097e436 added refine_insert;
wenzelm
parents: 18878
diff changeset
   424
8234
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   425
end;
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   426
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   427
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   428
(* refine via sub-proof *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   429
20208
90e551baac6a export goal_tac (was internal refine_tac);
wenzelm
parents: 20031
diff changeset
   430
fun goal_tac rule =
18186
ad969501b7d4 ProofContext.mk_def;
wenzelm
parents: 18124
diff changeset
   431
  Tactic.norm_hhf_tac THEN' Tactic.rtac rule THEN_ALL_NEW
ad969501b7d4 ProofContext.mk_def;
wenzelm
parents: 18124
diff changeset
   432
    (Tactic.norm_hhf_tac THEN' (SUBGOAL (fn (goal, i) =>
ad969501b7d4 ProofContext.mk_def;
wenzelm
parents: 18124
diff changeset
   433
      if can Logic.unprotect (Logic.strip_assums_concl goal) then
ad969501b7d4 ProofContext.mk_def;
wenzelm
parents: 18124
diff changeset
   434
        Tactic.etac Drule.protectI i
ad969501b7d4 ProofContext.mk_def;
wenzelm
parents: 18124
diff changeset
   435
      else all_tac)));
11816
545aab7410ac simplified exporter interface;
wenzelm
parents: 11793
diff changeset
   436
19915
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   437
fun refine_goals print_rule inner raw_rules state =
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   438
  let
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   439
    val (outer, (_, goal)) = get_goal state;
20208
90e551baac6a export goal_tac (was internal refine_tac);
wenzelm
parents: 20031
diff changeset
   440
    fun refine rule st = (print_rule outer rule; FINDGOAL (goal_tac rule) st);
19915
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   441
  in
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   442
    raw_rules
20309
7491ae0357b9 simplified Assumption/ProofContext.export;
wenzelm
parents: 20224
diff changeset
   443
    |> ProofContext.goal_export inner outer
7491ae0357b9 simplified Assumption/ProofContext.export;
wenzelm
parents: 20224
diff changeset
   444
    |> (fn rules => Seq.lift set_goal (EVERY (map refine rules) goal) state)
19915
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   445
  end;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   446
6932
77c14313af51 propp: 'concl' patterns;
wenzelm
parents: 6896
diff changeset
   447
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   448
(* conclude_goal *)
6932
77c14313af51 propp: 'concl' patterns;
wenzelm
parents: 6896
diff changeset
   449
18503
841137f20307 goal/qed: proper treatment of two levels of conjunctions;
wenzelm
parents: 18475
diff changeset
   450
fun conclude_goal state goal propss =
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   451
  let
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   452
    val thy = theory_of state;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   453
    val ctxt = context_of state;
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   454
    val string_of_term = ProofContext.string_of_term ctxt;
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   455
    val string_of_thm = ProofContext.string_of_thm ctxt;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   456
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   457
    val ngoals = Thm.nprems_of goal;
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   458
    val _ = ngoals = 0 orelse error (Pretty.string_of (Pretty.chunks
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   459
        (pretty_goals_local ctxt "" (true, ! show_main_goal) (! Display.goals_limit) goal @
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   460
          [Pretty.str (string_of_int ngoals ^ " unsolved goal(s)!")])));
20224
9c40a144ee0e moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents: 20208
diff changeset
   461
9c40a144ee0e moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents: 20208
diff changeset
   462
    val extra_hyps = Assumption.extra_hyps ctxt goal;
9c40a144ee0e moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents: 20208
diff changeset
   463
    val _ = null extra_hyps orelse
9c40a144ee0e moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents: 20208
diff changeset
   464
      error ("Additional hypotheses:\n" ^ cat_lines (map string_of_term extra_hyps));
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   465
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   466
    val (results, th) = `(Conjunction.elim_precise (map length propss)) (Goal.conclude goal)
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   467
      handle THM _ => error ("Lost goal structure:\n" ^ string_of_thm goal);
19862
7f29aa958b72 Unify.matches_list;
wenzelm
parents: 19846
diff changeset
   468
    val _ = Unify.matches_list thy (flat propss) (map Thm.prop_of (flat results)) orelse
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   469
      error ("Proved a different theorem:\n" ^ string_of_thm th);
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   470
  in results end;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   471
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   472
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   473
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   474
(*** structured proof commands ***)
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   475
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   476
(** context elements **)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   477
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   478
(* bindings *)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   479
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   480
local
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   481
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   482
fun gen_bind bind args state =
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   483
  state
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   484
  |> assert_forward
18308
f18a54840629 simulaneous 'def';
wenzelm
parents: 18228
diff changeset
   485
  |> map_context (bind args #> snd)
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   486
  |> put_facts NONE;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   487
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   488
in
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   489
8617
33e2bd53aec3 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8582
diff changeset
   490
val match_bind = gen_bind (ProofContext.match_bind false);
33e2bd53aec3 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8582
diff changeset
   491
val match_bind_i = gen_bind (ProofContext.match_bind_i false);
33e2bd53aec3 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8582
diff changeset
   492
val let_bind = gen_bind (ProofContext.match_bind true);
33e2bd53aec3 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8582
diff changeset
   493
val let_bind_i = gen_bind (ProofContext.match_bind_i true);
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   494
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   495
end;
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   496
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   497
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   498
(* fix *)
9196
1f6f66fe777a facts: handle multiple lists of arguments;
wenzelm
parents: 8991
diff changeset
   499
12714
61af28328417 have_thmss vs. have_thmss_i;
wenzelm
parents: 12703
diff changeset
   500
local
61af28328417 have_thmss vs. have_thmss_i;
wenzelm
parents: 12703
diff changeset
   501
18670
c3f445b92aff uniform handling of fixes;
wenzelm
parents: 18607
diff changeset
   502
fun gen_fix add_fixes args =
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   503
  assert_forward
19846
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   504
  #> map_context (snd o add_fixes args)
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   505
  #> put_facts NONE;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   506
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   507
in
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   508
18670
c3f445b92aff uniform handling of fixes;
wenzelm
parents: 18607
diff changeset
   509
val fix = gen_fix ProofContext.add_fixes;
c3f445b92aff uniform handling of fixes;
wenzelm
parents: 18607
diff changeset
   510
val fix_i = gen_fix ProofContext.add_fixes_i;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   511
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   512
end;
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   513
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   514
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   515
(* assume etc. *)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   516
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   517
local
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   518
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   519
fun gen_assume asm prep_att exp args state =
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   520
  state
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   521
  |> assert_forward
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   522
  |> map_context_result (asm exp (Attrib.map_specs (prep_att (theory_of state)) args))
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   523
  |> these_factss [] |> #2;
6932
77c14313af51 propp: 'concl' patterns;
wenzelm
parents: 6896
diff changeset
   524
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   525
in
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   526
18728
6790126ab5f6 simplified type attribute;
wenzelm
parents: 18678
diff changeset
   527
val assm      = gen_assume ProofContext.add_assms Attrib.attribute;
18670
c3f445b92aff uniform handling of fixes;
wenzelm
parents: 18607
diff changeset
   528
val assm_i    = gen_assume ProofContext.add_assms_i (K I);
20224
9c40a144ee0e moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents: 20208
diff changeset
   529
val assume    = assm Assumption.assume_export;
9c40a144ee0e moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents: 20208
diff changeset
   530
val assume_i  = assm_i Assumption.assume_export;
9c40a144ee0e moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents: 20208
diff changeset
   531
val presume   = assm Assumption.presume_export;
9c40a144ee0e moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents: 20208
diff changeset
   532
val presume_i = assm_i Assumption.presume_export;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   533
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   534
end;
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   535
7271
442456b2a8bb assume: multiple args;
wenzelm
parents: 7201
diff changeset
   536
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   537
(* def *)
11891
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   538
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   539
local
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   540
20913
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   541
fun gen_def prep_att prep_vars prep_binds args state =
11891
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   542
  let
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   543
    val _ = assert_forward state;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   544
    val thy = theory_of state;
20913
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   545
    val ctxt = context_of state;
11891
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   546
20913
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   547
    val (raw_name_atts, (raw_vars, raw_rhss)) = args |> split_list ||> split_list;
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   548
    val name_atts = map (apsnd (map (prep_att thy))) raw_name_atts;
11891
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   549
  in
20913
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   550
    state
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   551
    |> map_context_result (prep_vars (map (fn (x, mx) => (x, NONE, mx)) raw_vars))
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   552
    |>> map (fn (x, _, mx) => (x, mx))
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   553
    |-> (fn vars =>
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   554
      map_context_result (prep_binds false (map swap raw_rhss))
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   555
      #-> (fn rhss => map_context_result (LocalDefs.add_defs (vars ~~ (name_atts ~~ rhss)))))
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   556
    |-> (put_facts o SOME o map (#2 o #2))
11891
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   557
  end;
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   558
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   559
in
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   560
20913
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   561
val def = gen_def Attrib.attribute ProofContext.read_vars ProofContext.match_bind;
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   562
val def_i = gen_def (K I) ProofContext.cert_vars ProofContext.match_bind_i;
11891
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   563
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   564
end;
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   565
11891
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   566
8374
ffb2eb084078 generalized FINDGOAL, HEADGOAL;
wenzelm
parents: 8239
diff changeset
   567
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   568
(** facts **)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   569
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   570
(* chain *)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   571
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   572
val chain =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   573
  assert_forward
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   574
  #> tap the_facts
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   575
  #> enter_chain;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   576
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   577
fun chain_facts facts =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   578
  put_facts (SOME facts)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   579
  #> chain;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   580
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   581
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   582
(* note etc. *)
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   583
17166
wenzelm
parents: 17112
diff changeset
   584
fun no_binding args = map (pair ("", [])) args;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   585
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   586
local
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   587
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   588
fun gen_thmss note_ctxt more_facts opt_chain opt_result prep_atts args state =
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   589
  state
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   590
  |> assert_forward
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   591
  |> map_context_result (note_ctxt (Attrib.map_facts (prep_atts (theory_of state)) args))
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   592
  |> these_factss (more_facts state)
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   593
  ||> opt_chain
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   594
  |> opt_result;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   595
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   596
in
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   597
21442
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   598
val note_thmss = gen_thmss (ProofContext.note_thmss "") (K []) I #2 Attrib.attribute;
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   599
val note_thmss_i = gen_thmss (ProofContext.note_thmss_i "") (K []) I #2 (K I);
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   600
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   601
val from_thmss =
21442
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   602
  gen_thmss (ProofContext.note_thmss "") (K []) chain #2 Attrib.attribute o no_binding;
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   603
val from_thmss_i = gen_thmss (ProofContext.note_thmss_i "") (K []) chain #2 (K I) o no_binding;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   604
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   605
val with_thmss =
21442
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   606
  gen_thmss (ProofContext.note_thmss "") the_facts chain #2 Attrib.attribute o no_binding;
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   607
val with_thmss_i = gen_thmss (ProofContext.note_thmss_i "") the_facts chain #2 (K I) o no_binding;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   608
18808
838fb803636e swapped Toplevel.theory_context;
wenzelm
parents: 18784
diff changeset
   609
val local_results =
21442
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   610
  gen_thmss (ProofContext.note_thmss_i "") (K []) I I (K I) o map (apsnd Thm.simple_fact);
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   611
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   612
fun get_thmss state srcs = the_facts (note_thmss [(("", []), srcs)] state);
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   613
fun simple_note_thms name thms = note_thmss_i [((name, []), [(thms, [])])];
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   614
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   615
end;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   616
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   617
18548
cb8e8fb9e52d added unfolding(_i);
wenzelm
parents: 18503
diff changeset
   618
(* using/unfolding *)
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   619
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   620
local
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   621
18548
cb8e8fb9e52d added unfolding(_i);
wenzelm
parents: 18503
diff changeset
   622
fun gen_using f g note prep_atts args state =
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   623
  state
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   624
  |> assert_backward
21442
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   625
  |> map_context_result
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   626
    (note "" (Attrib.map_facts (prep_atts (theory_of state)) (no_binding args)))
18843
23db974a0575 'unfolding': LocalDefs.unfold;
wenzelm
parents: 18826
diff changeset
   627
  |> (fn (named_facts, state') =>
23db974a0575 'unfolding': LocalDefs.unfold;
wenzelm
parents: 18826
diff changeset
   628
    state' |> map_goal I (fn (statement, using, goal, before_qed, after_qed) =>
23db974a0575 'unfolding': LocalDefs.unfold;
wenzelm
parents: 18826
diff changeset
   629
      let
23db974a0575 'unfolding': LocalDefs.unfold;
wenzelm
parents: 18826
diff changeset
   630
        val ctxt = context_of state';
19482
9f11af8f7ef9 tuned basic list operators (flat, maps, map_filter);
wenzelm
parents: 19475
diff changeset
   631
        val ths = maps snd named_facts;
18843
23db974a0575 'unfolding': LocalDefs.unfold;
wenzelm
parents: 18826
diff changeset
   632
      in (statement, f ctxt ths using, g ctxt ths goal, before_qed, after_qed) end));
18548
cb8e8fb9e52d added unfolding(_i);
wenzelm
parents: 18503
diff changeset
   633
18843
23db974a0575 'unfolding': LocalDefs.unfold;
wenzelm
parents: 18826
diff changeset
   634
fun append_using _ ths using = using @ ths;
18878
08b06ec0ef74 tuned LocalDefs.unfold;
wenzelm
parents: 18843
diff changeset
   635
fun unfold_using ctxt ths = map (LocalDefs.unfold ctxt ths);
08b06ec0ef74 tuned LocalDefs.unfold;
wenzelm
parents: 18843
diff changeset
   636
val unfold_goals = LocalDefs.unfold_goals;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   637
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   638
in
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   639
18843
23db974a0575 'unfolding': LocalDefs.unfold;
wenzelm
parents: 18826
diff changeset
   640
val using = gen_using append_using (K (K I)) ProofContext.note_thmss Attrib.attribute;
23db974a0575 'unfolding': LocalDefs.unfold;
wenzelm
parents: 18826
diff changeset
   641
val using_i = gen_using append_using (K (K I)) ProofContext.note_thmss_i (K I);
18826
2a805b3dd9f0 LocalDefs;
wenzelm
parents: 18808
diff changeset
   642
val unfolding = gen_using unfold_using unfold_goals ProofContext.note_thmss Attrib.attribute;
2a805b3dd9f0 LocalDefs;
wenzelm
parents: 18808
diff changeset
   643
val unfolding_i = gen_using unfold_using unfold_goals ProofContext.note_thmss_i (K I);
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   644
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   645
end;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   646
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   647
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   648
(* case *)
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   649
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   650
local
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   651
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   652
fun gen_invoke_case prep_att (name, xs, raw_atts) state =
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   653
  let
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   654
    val atts = map (prep_att (theory_of state)) raw_atts;
19078
97971a84f0c7 added put_thms_internal;
wenzelm
parents: 19000
diff changeset
   655
    val (asms, state') = state |> map_context_result (fn ctxt =>
97971a84f0c7 added put_thms_internal;
wenzelm
parents: 19000
diff changeset
   656
      ctxt |> ProofContext.apply_case (ProofContext.get_case ctxt name xs));
19585
70a1ce3b23ae removed 'concl is' patterns;
wenzelm
parents: 19482
diff changeset
   657
    val assumptions = asms |> map (fn (a, ts) => ((a, atts), map (rpair []) ts));
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   658
  in
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   659
    state'
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   660
    |> map_context (ProofContext.qualified_names #> ProofContext.no_base_names)
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   661
    |> assume_i assumptions
17976
5ca9ff44a149 export add_binds_i;
wenzelm
parents: 17903
diff changeset
   662
    |> add_binds_i AutoBind.no_facts
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   663
    |> map_context (ProofContext.restore_naming (context_of state))
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   664
    |> `the_facts |-> simple_note_thms name
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   665
  end;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   666
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   667
in
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   668
18728
6790126ab5f6 simplified type attribute;
wenzelm
parents: 18678
diff changeset
   669
val invoke_case = gen_invoke_case Attrib.attribute;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   670
val invoke_case_i = gen_invoke_case (K I);
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   671
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   672
end;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   673
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   674
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   675
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   676
(** proof structure **)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   677
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   678
(* blocks *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   679
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   680
val begin_block =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   681
  assert_forward
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   682
  #> open_block
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   683
  #> put_goal NONE
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   684
  #> open_block;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   685
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   686
val next_block =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   687
  assert_forward
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   688
  #> close_block
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   689
  #> open_block
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   690
  #> put_goal NONE
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   691
  #> put_facts NONE;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   692
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   693
fun end_block state =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   694
  state
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   695
  |> assert_forward
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   696
  |> close_block
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   697
  |> assert_current_goal false
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   698
  |> close_block
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   699
  |> export_facts state;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   700
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   701
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   702
(* sub-proofs *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   703
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   704
fun proof opt_text =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   705
  assert_backward
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   706
  #> refine (the_default Method.default_text opt_text)
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   707
  #> Seq.map (using_facts [] #> enter_forward);
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   708
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   709
fun end_proof bot txt =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   710
  assert_forward
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   711
  #> assert_bottom bot
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   712
  #> close_block
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   713
  #> assert_current_goal true
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   714
  #> using_facts []
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   715
  #> `before_qed #-> (refine o the_default Method.succeed_text)
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   716
  #> Seq.maps (refine (Method.finish_text txt));
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   717
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   718
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   719
(* unstructured refinement *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   720
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   721
fun defer i = assert_no_chain #> refine (Method.Basic (K (Method.defer i)));
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   722
fun prefer i = assert_no_chain #> refine (Method.Basic (K (Method.prefer i)));
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   723
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   724
fun apply text = assert_backward #> refine text #> Seq.map (using_facts []);
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   725
fun apply_end text = assert_forward #> refine_end text;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   726
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   727
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   728
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   729
(** goals **)
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   730
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   731
(* generic goals *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   732
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   733
local
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   734
19846
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   735
fun implicit_vars dest add props =
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   736
  let
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   737
    val (explicit_vars, props') = take_prefix (can dest) props |>> map dest;
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   738
    val vars = rev (subtract (op =) explicit_vars (fold add props []));
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   739
    val _ =
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   740
      if null vars then ()
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   741
      else warning ("Goal statement contains unbound schematic variable(s): " ^
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   742
        commas_quote (map (Term.string_of_vname o fst) vars));
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   743
  in (rev vars, props') end;
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   744
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   745
fun refine_terms n =
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   746
  refine (Method.Basic (K (Method.RAW_METHOD
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   747
    (K (HEADGOAL (PRECISE_CONJUNCTS n
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   748
      (HEADGOAL (CONJUNCTS (ALLGOALS (rtac Drule.termI))))))))))
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   749
  #> Seq.hd;
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   750
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   751
in
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   752
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   753
fun generic_goal prepp kind before_qed after_qed raw_propp state =
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   754
  let
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   755
    val thy = theory_of state;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   756
    val chaining = can assert_chain state;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   757
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   758
    val ((propss, after_ctxt), goal_state) =
5936
406eb27fe53c match_bind(_i): 'as' patterns;
wenzelm
parents: 5918
diff changeset
   759
      state
406eb27fe53c match_bind(_i): 'as' patterns;
wenzelm
parents: 5918
diff changeset
   760
      |> assert_forward_or_chain
406eb27fe53c match_bind(_i): 'as' patterns;
wenzelm
parents: 5918
diff changeset
   761
      |> enter_forward
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   762
      |> open_block
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   763
      |> map_context_result (fn ctxt => swap (prepp (ctxt, raw_propp)));
19482
9f11af8f7ef9 tuned basic list operators (flat, maps, map_filter);
wenzelm
parents: 19475
diff changeset
   764
    val props = flat propss;
15703
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
   765
19846
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   766
    val (_, props') =
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   767
      implicit_vars (dest_TVar o Logic.dest_type o Logic.dest_term) Term.add_tvars props;
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   768
    val (vars, _) = implicit_vars (dest_Var o Logic.dest_term) Term.add_vars props';
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   769
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   770
    val propss' = map (Logic.mk_term o Var) vars :: propss;
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   771
    val goal = Goal.init (Thm.cterm_of thy (Logic.mk_conjunction_list2 propss'));
18124
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
   772
    val after_qed' = after_qed |>> (fn after_local =>
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
   773
      fn results => map_context after_ctxt #> after_local results);
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   774
  in
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   775
    goal_state
19900
21a99d88d925 ProofContext: moved variable operations to struct Variable;
wenzelm
parents: 19862
diff changeset
   776
    |> map_context (Variable.set_body true)
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   777
    |> put_goal (SOME (make_goal ((kind, propss'), [], goal, before_qed, after_qed')))
18475
02093ed55e05 auto cases: marked improper;
wenzelm
parents: 18450
diff changeset
   778
    |> map_context (ProofContext.add_cases false (AutoBind.cases thy props))
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   779
    |> map_context (ProofContext.auto_bind_goal props)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   780
    |> K chaining ? (`the_facts #-> using_facts)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   781
    |> put_facts NONE
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   782
    |> open_block
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   783
    |> put_goal NONE
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   784
    |> enter_backward
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   785
    |> K (not (null vars)) ? refine_terms (length propss')
17450
f2e0a211c4fc export put_facts;
wenzelm
parents: 17437
diff changeset
   786
    |> K (null props) ? (refine (Method.Basic Method.assumption) #> Seq.hd)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   787
  end;
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   788
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   789
fun generic_qed state =
12503
52994bfef01b Locale.activate_context;
wenzelm
parents: 12423
diff changeset
   790
  let
18548
cb8e8fb9e52d added unfolding(_i);
wenzelm
parents: 18503
diff changeset
   791
    val (goal_ctxt, {statement = (_, stmt), using = _, goal, before_qed = _, after_qed}) =
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   792
      current_goal state;
8617
33e2bd53aec3 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8582
diff changeset
   793
    val outer_state = state |> close_block;
33e2bd53aec3 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8582
diff changeset
   794
    val outer_ctxt = context_of outer_state;
33e2bd53aec3 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8582
diff changeset
   795
18503
841137f20307 goal/qed: proper treatment of two levels of conjunctions;
wenzelm
parents: 18475
diff changeset
   796
    val props =
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   797
      flat (tl stmt)
19915
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   798
      |> Variable.exportT_terms goal_ctxt outer_ctxt;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   799
    val results =
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   800
      tl (conclude_goal state goal stmt)
20309
7491ae0357b9 simplified Assumption/ProofContext.export;
wenzelm
parents: 20224
diff changeset
   801
      |> burrow (ProofContext.export goal_ctxt outer_ctxt);
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   802
  in
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   803
    outer_state
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   804
    |> map_context (ProofContext.auto_bind_facts props)
18124
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
   805
    |> pair (after_qed, results)
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   806
  end;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   807
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   808
end;
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   809
9469
8058d285b1cd export RANGE, hard_asm_tac, soft_asm_tac;
wenzelm
parents: 9292
diff changeset
   810
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   811
(* local goals *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   812
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   813
fun local_goal print_results prep_att prepp kind before_qed after_qed stmt state =
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   814
  let
21362
3a2ab1dce297 simplified Proof.theorem(_i) interface -- removed target support;
wenzelm
parents: 21274
diff changeset
   815
    val thy = theory_of state;
3a2ab1dce297 simplified Proof.theorem(_i) interface -- removed target support;
wenzelm
parents: 21274
diff changeset
   816
    val ((names, attss), propp) =
3a2ab1dce297 simplified Proof.theorem(_i) interface -- removed target support;
wenzelm
parents: 21274
diff changeset
   817
      Attrib.map_specs (prep_att thy) stmt |> split_list |>> split_list;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   818
18124
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
   819
    fun after_qed' results =
18808
838fb803636e swapped Toplevel.theory_context;
wenzelm
parents: 18784
diff changeset
   820
      local_results ((names ~~ attss) ~~ results)
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   821
      #-> (fn res => tap (fn st => print_results (context_of st) ((kind, ""), res) : unit))
18124
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
   822
      #> after_qed results;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   823
  in
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   824
    state
21362
3a2ab1dce297 simplified Proof.theorem(_i) interface -- removed target support;
wenzelm
parents: 21274
diff changeset
   825
    |> generic_goal prepp kind before_qed (after_qed', K I) propp
19900
21a99d88d925 ProofContext: moved variable operations to struct Variable;
wenzelm
parents: 19862
diff changeset
   826
    |> tap (Variable.warn_extra_tfrees (context_of state) o context_of)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   827
  end;
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   828
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   829
fun local_qed txt =
20309
7491ae0357b9 simplified Assumption/ProofContext.export;
wenzelm
parents: 20224
diff changeset
   830
  end_proof false txt #>
7491ae0357b9 simplified Assumption/ProofContext.export;
wenzelm
parents: 20224
diff changeset
   831
  Seq.maps (generic_qed #-> (fn ((after_qed, _), results) => after_qed results));
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   832
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   833
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   834
(* global goals *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   835
21442
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   836
fun global_goal prepp before_qed after_qed propp ctxt =
21362
3a2ab1dce297 simplified Proof.theorem(_i) interface -- removed target support;
wenzelm
parents: 21274
diff changeset
   837
  init ctxt
21442
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   838
  |> generic_goal (prepp #> ProofContext.auto_fixes) ""
21362
3a2ab1dce297 simplified Proof.theorem(_i) interface -- removed target support;
wenzelm
parents: 21274
diff changeset
   839
    before_qed (K Seq.single, after_qed) propp;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   840
21362
3a2ab1dce297 simplified Proof.theorem(_i) interface -- removed target support;
wenzelm
parents: 21274
diff changeset
   841
val theorem = global_goal ProofContext.bind_propp_schematic;
3a2ab1dce297 simplified Proof.theorem(_i) interface -- removed target support;
wenzelm
parents: 21274
diff changeset
   842
val theorem_i = global_goal ProofContext.bind_propp_schematic_i;
12065
5f7f44d5e3dd theorem(_i): locale atts;
wenzelm
parents: 12055
diff changeset
   843
18678
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   844
fun check_result msg sq =
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   845
  (case Seq.pull sq of
18678
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   846
    NONE => error msg
19475
8aa2b380614a curried Seq.cons;
wenzelm
parents: 19423
diff changeset
   847
  | SOME (s', sq') => Seq.cons s' sq');
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   848
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   849
fun global_qeds txt =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   850
  end_proof true txt
20309
7491ae0357b9 simplified Assumption/ProofContext.export;
wenzelm
parents: 20224
diff changeset
   851
  #> Seq.map (generic_qed #> (fn (((_, after_qed), results), state) =>
20363
f34c5dbe74d5 global goals/qeds: after_qed operates on Proof.context (potentially local_theory);
wenzelm
parents: 20341
diff changeset
   852
    after_qed results (context_of state)))
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   853
  |> Seq.DETERM;   (*backtracking may destroy theory!*)
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   854
18678
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   855
fun global_qed txt =
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   856
  global_qeds txt
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   857
  #> check_result "Failed to finish proof"
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   858
  #> Seq.hd;
12959
bf48fd86a732 clarified localized multi statements;
wenzelm
parents: 12930
diff changeset
   859
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   860
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   861
(* concluding steps *)
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   862
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   863
fun local_terminal_proof (text, opt_text) =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   864
  proof (SOME text) #> Seq.maps (local_qed (opt_text, true));
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   865
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   866
val local_default_proof = local_terminal_proof (Method.default_text, NONE);
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   867
val local_immediate_proof = local_terminal_proof (Method.this_text, NONE);
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   868
val local_done_proof = proof (SOME Method.done_text) #> Seq.maps (local_qed (NONE, false));
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   869
fun local_skip_proof int = local_terminal_proof (Method.sorry_text int, NONE);
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   870
18678
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   871
fun global_term_proof immed (text, opt_text) =
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   872
  proof (SOME text)
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   873
  #> check_result "Terminal proof method failed"
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   874
  #> Seq.maps (global_qeds (opt_text, immed))
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   875
  #> check_result "Failed to finish proof (after successful terminal method)"
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   876
  #> Seq.hd;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   877
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   878
val global_terminal_proof = global_term_proof true;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   879
val global_default_proof = global_terminal_proof (Method.default_text, NONE);
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   880
val global_immediate_proof = global_terminal_proof (Method.this_text, NONE);
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   881
val global_done_proof = global_term_proof false (Method.done_text, NONE);
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   882
fun global_skip_proof int = global_terminal_proof (Method.sorry_text int, NONE);
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   883
6896
4bdc3600ddae close_block: transfer_used_names;
wenzelm
parents: 6891
diff changeset
   884
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   885
(* common goal statements *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   886
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   887
local
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   888
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   889
fun gen_have prep_att prepp before_qed after_qed stmt int =
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   890
  local_goal (ProofDisplay.print_results int) prep_att prepp "have" before_qed after_qed stmt;
6896
4bdc3600ddae close_block: transfer_used_names;
wenzelm
parents: 6891
diff changeset
   891
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   892
fun gen_show prep_att prepp before_qed after_qed stmt int state =
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   893
  let
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   894
    val testing = ref false;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   895
    val rule = ref (NONE: thm option);
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   896
    fun fail_msg ctxt =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   897
      "Local statement will fail to solve any pending goal" ::
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   898
      (case ! rule of NONE => [] | SOME th => [ProofDisplay.string_of_rule ctxt "Failed" th])
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   899
      |> cat_lines;
6896
4bdc3600ddae close_block: transfer_used_names;
wenzelm
parents: 6891
diff changeset
   900
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   901
    fun print_results ctxt res =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   902
      if ! testing then () else ProofDisplay.print_results int ctxt res;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   903
    fun print_rule ctxt th =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   904
      if ! testing then rule := SOME th
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   905
      else if int then priority (ProofDisplay.string_of_rule ctxt "Successful" th)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   906
      else ();
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   907
    val test_proof =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   908
      (Seq.pull oo local_skip_proof) true
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   909
      |> setmp testing true
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   910
      |> setmp proofs 0
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   911
      |> capture;
6896
4bdc3600ddae close_block: transfer_used_names;
wenzelm
parents: 6891
diff changeset
   912
18124
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
   913
    fun after_qed' results =
19482
9f11af8f7ef9 tuned basic list operators (flat, maps, map_filter);
wenzelm
parents: 19475
diff changeset
   914
      refine_goals print_rule (context_of state) (flat results)
18124
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
   915
      #> Seq.maps (after_qed results);
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   916
  in
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   917
    state
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   918
    |> local_goal print_results prep_att prepp "show" before_qed after_qed' stmt
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   919
    |> K int ? (fn goal_state =>
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   920
      (case test_proof goal_state of
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   921
        Result (SOME _) => goal_state
18678
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   922
      | Result NONE => error (fail_msg (context_of goal_state))
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   923
      | Exn Interrupt => raise Interrupt
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   924
      | Exn exn => raise EXCEPTION (exn, fail_msg (context_of goal_state))))
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   925
  end;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   926
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   927
in
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   928
18728
6790126ab5f6 simplified type attribute;
wenzelm
parents: 18678
diff changeset
   929
val have = gen_have Attrib.attribute ProofContext.bind_propp;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   930
val have_i = gen_have (K I) ProofContext.bind_propp_i;
18728
6790126ab5f6 simplified type attribute;
wenzelm
parents: 18678
diff changeset
   931
val show = gen_show Attrib.attribute ProofContext.bind_propp;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   932
val show_i = gen_show (K I) ProofContext.bind_propp_i;
6896
4bdc3600ddae close_block: transfer_used_names;
wenzelm
parents: 6891
diff changeset
   933
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   934
end;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   935
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   936
end;