src/Pure/Isar/proof.ML
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after_qed: refrain from Position.setmp_thread_data, which causes duplication of results with several independent proof attempts;
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(*  Title:      Pure/Isar/proof.ML
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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 = Proof.context
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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 map_contexts: (context -> context) -> state -> state
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  val bind_terms: (indexname * term option) list -> state -> state
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  val put_thms: bool -> 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 goal_message: (unit -> Pretty.T) -> state -> state
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  val show_main_goal: bool Unsynchronized.ref
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  val verbose: bool Unsynchronized.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 raw_goal: state -> {context: context, facts: thm list, goal: thm}
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  val goal: state -> {context: context, facts: thm list, goal: thm}
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  val simple_goal: state -> {context: context, goal: thm}
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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: (binding * string option * mixfix) list -> state -> state
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  val fix_i: (binding * typ option * mixfix) list -> state -> state
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  val assm: Assumption.export ->
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    (Attrib.binding * (string * string list) list) list -> state -> state
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  val assm_i: Assumption.export ->
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    (Thm.binding * (term * term list) list) list -> state -> state
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  val assume: (Attrib.binding * (string * string list) list) list -> state -> state
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  val assume_i: (Thm.binding * (term * term list) list) list -> state -> state
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  val presume: (Attrib.binding * (string * string list) list) list -> state -> state
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  val presume_i: (Thm.binding * (term * term list) list) list -> state -> state
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  val def: (Attrib.binding * ((binding * mixfix) * (string * string list))) list -> state -> state
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  val def_i: (Thm.binding * ((binding * 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 -> (Facts.ref * Attrib.src list) list -> thm list
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  val note_thmss: (Attrib.binding * (Facts.ref * Attrib.src list) list) list -> state -> state
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  val note_thmss_i: (Thm.binding * (thm list * attribute list) list) list -> state -> state
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  val from_thmss: ((Facts.ref * 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: ((Facts.ref * 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: ((Facts.ref * 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: ((Facts.ref * 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) ->
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    ((binding * 'a list) * 'b) list -> state -> state
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  val local_qed: Method.text option * bool -> state -> state
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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
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  val local_default_proof: state -> state
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  val local_immediate_proof: state -> state
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  val local_skip_proof: bool -> state -> state
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  val local_done_proof: state -> state
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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_skip_proof: bool -> state -> context
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  val global_done_proof: state -> context
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  val have: Method.text option -> (thm list list -> state -> state) ->
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    (Attrib.binding * (string * string list) list) list -> bool -> state -> state
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  val have_i: Method.text option -> (thm list list -> state -> state) ->
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    (Thm.binding * (term * term list) list) list -> bool -> state -> state
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  val show: Method.text option -> (thm list list -> state -> state) ->
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    (Attrib.binding * (string * string list) list) list -> bool -> state -> state
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  val show_i: Method.text option -> (thm list list -> state -> state) ->
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    (Thm.binding * (term * term list) list) list -> bool -> state -> state
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  val schematic_goal: state -> bool
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  val is_relevant: state -> bool
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  val local_future_proof: (state -> ('a * state) Future.future) ->
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    state -> 'a Future.future * state
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  val global_future_proof: (state -> ('a * Proof.context) Future.future) ->
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    state -> 'a Future.future * context
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  val local_future_terminal_proof: Method.text * Method.text option -> bool -> state -> state
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  val global_future_terminal_proof: Method.text * Method.text option -> bool -> state -> context
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end;
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structure Proof: PROOF =
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struct
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type context = Proof.context;
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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 * Position.T) * term list list * term,
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      (*goal kind and statement (starting with vars), initial proposition*)
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    messages: (unit -> Pretty.T) list,    (*persistent messages (hints etc.)*)
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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) *
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      (thm list list -> context -> context)};
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fun make_goal (statement, messages, using, goal, before_qed, after_qed) =
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  Goal {statement = statement, messages = messages, 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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val init_context =
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  ProofContext.set_stmt true #>
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  ProofContext.map_naming (K ProofContext.local_naming);
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fun init ctxt =
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  State (Stack.init (make_node (init_context 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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fun map_all f (State st) = State (Stack.map_all (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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fun map_contexts f = map_all (fn (ctxt, facts, mode, goal) => (f ctxt, facts, mode, goal));
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val bind_terms = map_context o ProofContext.bind_terms;
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val put_thms = map_context oo 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 true (Auto_Bind.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, messages, using, goal, before_qed, after_qed} = goal;
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        val goal' = make_goal (g (statement, messages, 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 goal_message msg = map_goal I (fn (statement, messages, using, goal, before_qed, after_qed) =>
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  (statement, msg :: messages, 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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   309
      SOME (ctxt, goal) => (ctxt, (i, goal))
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dd0c569fa43d sane ERROR handling;
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   310
    | NONE => find (i + 1) (close_block state handle ERROR _ => error "No goal present"));
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543735c6f424 major cleanup of interfaces and implementation;
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   311
in val find_goal = find 0 end;
543735c6f424 major cleanup of interfaces and implementation;
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   312
543735c6f424 major cleanup of interfaces and implementation;
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   313
fun get_goal state =
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   314
  let val (ctxt, (_, {using, goal, ...})) = find_goal state
543735c6f424 major cleanup of interfaces and implementation;
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   315
  in (ctxt, (using, goal)) end;
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   316
ff3c82b47603 Proof states and methods.
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parents:
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   317
ff3c82b47603 Proof states and methods.
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parents:
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   318
12423
7fd447422dee tuned print_state interfaces;
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   319
(** pretty_state **)
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   320
32738
15bb09ca0378 explicit indication of Unsynchronized.ref;
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   321
val show_main_goal = Unsynchronized.ref false;
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60adb8b28377 added depth_of;
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parents: 16450
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   322
val verbose = ProofContext.verbose;
13698
d7ef5a3b3591 added show_main_goal
nipkow
parents: 13596
diff changeset
   323
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   324
fun pretty_facts _ _ NONE = []
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   325
  | pretty_facts s ctxt (SOME ths) =
32091
30e2ffbba718 proper context for Display.pretty_thm etc. or old-style versions Display.pretty_thm_global, Display.pretty_thm_without_context etc.;
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parents: 32089
diff changeset
   326
      [Pretty.big_list (s ^ "this:") (map (Display.pretty_thm ctxt) ths), Pretty.str ""];
6756
fe6eb161df3e improved print_state;
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parents: 6752
diff changeset
   327
17359
543735c6f424 major cleanup of interfaces and implementation;
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diff changeset
   328
fun pretty_state nr state =
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parents:
diff changeset
   329
  let
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543735c6f424 major cleanup of interfaces and implementation;
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   330
    val {context, facts, mode, goal = _} = current state;
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parents:
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   331
ff3c82b47603 Proof states and methods.
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parents:
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   332
    fun levels_up 0 = ""
17359
543735c6f424 major cleanup of interfaces and implementation;
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   333
      | levels_up 1 = "1 level up"
543735c6f424 major cleanup of interfaces and implementation;
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   334
      | levels_up i = string_of_int i ^ " levels up";
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ff3c82b47603 Proof states and methods.
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parents:
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   335
11556
8e0768929662 print_state: subgoals;
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parents: 11549
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   336
    fun subgoals 0 = ""
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   337
      | subgoals 1 = "1 subgoal"
543735c6f424 major cleanup of interfaces and implementation;
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   338
      | subgoals n = string_of_int n ^ " subgoals";
543735c6f424 major cleanup of interfaces and implementation;
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   339
543735c6f424 major cleanup of interfaces and implementation;
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   340
    fun description strs =
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c879d88d038a eliminated polymorphic equality;
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   341
      (case filter_out (fn s => s = "") strs of [] => ""
17359
543735c6f424 major cleanup of interfaces and implementation;
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parents: 17203
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   342
      | strs' => enclose " (" ")" (commas strs'));
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8e02a45f77e2 added multi_theorem(_i);
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parents: 12096
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   343
29416
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   344
    fun prt_goal (SOME (ctxt, (i,
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   345
      {statement = ((_, pos), _, _), messages, using, goal, before_qed = _, after_qed = _}))) =
17359
543735c6f424 major cleanup of interfaces and implementation;
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   346
          pretty_facts "using " ctxt
543735c6f424 major cleanup of interfaces and implementation;
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parents: 17203
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   347
            (if mode <> Backward orelse null using then NONE else SOME using) @
21442
56e54a2afe69 simplified theorem(_i);
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parents: 21362
diff changeset
   348
          [Pretty.str ("goal" ^
56e54a2afe69 simplified theorem(_i);
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parents: 21362
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   349
            description [levels_up (i div 2), subgoals (Thm.nprems_of goal)] ^ ":")] @
32187
cca43ca13f4f renamed structure Display_Goal to Goal_Display;
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   350
          Goal_Display.pretty_goals ctxt
32167
d32817dda0e6 Display_Goal.pretty_goals: always Markup.subgoal, clarified options;
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parents: 32145
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   351
            {total = true, main = ! show_main_goal, maxgoals = ! Display.goals_limit} goal @
25958
bcedde463850 statement: keep explicit position;
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parents: 25227
diff changeset
   352
          (map (fn msg => Position.setmp_thread_data pos msg ()) (rev messages))
17359
543735c6f424 major cleanup of interfaces and implementation;
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parents: 17203
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   353
      | prt_goal NONE = [];
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3d82756e1af5 tuned print_state;
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   354
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543735c6f424 major cleanup of interfaces and implementation;
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   355
    val prt_ctxt =
543735c6f424 major cleanup of interfaces and implementation;
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parents: 17203
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   356
      if ! verbose orelse mode = Forward then ProofContext.pretty_context context
18670
c3f445b92aff uniform handling of fixes;
wenzelm
parents: 18607
diff changeset
   357
      else if mode = Backward then ProofContext.pretty_ctxt context
7575
e1e2d07287d8 improved output;
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parents: 7556
diff changeset
   358
      else [];
17359
543735c6f424 major cleanup of interfaces and implementation;
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parents: 17203
diff changeset
   359
  in
543735c6f424 major cleanup of interfaces and implementation;
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parents: 17203
diff changeset
   360
    [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
   361
      (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
   362
      Pretty.str ""] @
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   363
    (if null prt_ctxt then [] else prt_ctxt @ [Pretty.str ""]) @
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   364
    (if ! verbose orelse mode = Forward then
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   365
       pretty_facts "" context facts @ prt_goal (try find_goal state)
543735c6f424 major cleanup of interfaces and implementation;
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parents: 17203
diff changeset
   366
     else if mode = Chain then pretty_facts "picking " context facts
543735c6f424 major cleanup of interfaces and implementation;
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parents: 17203
diff changeset
   367
     else prt_goal (try find_goal state))
543735c6f424 major cleanup of interfaces and implementation;
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parents: 17203
diff changeset
   368
  end;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
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   369
12085
235576bea937 pretty_goals_local: observes context syntax;
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parents: 12065
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   370
fun pretty_goals main state =
32167
d32817dda0e6 Display_Goal.pretty_goals: always Markup.subgoal, clarified options;
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parents: 32145
diff changeset
   371
  let val (ctxt, (_, goal)) = get_goal state in
32187
cca43ca13f4f renamed structure Display_Goal to Goal_Display;
wenzelm
parents: 32167
diff changeset
   372
    Goal_Display.pretty_goals ctxt
32167
d32817dda0e6 Display_Goal.pretty_goals: always Markup.subgoal, clarified options;
wenzelm
parents: 32145
diff changeset
   373
      {total = false, main = main, maxgoals = ! Display.goals_limit} goal
d32817dda0e6 Display_Goal.pretty_goals: always Markup.subgoal, clarified options;
wenzelm
parents: 32145
diff changeset
   374
  end;
10320
26d4b84eb047 added pretty_goals;
wenzelm
parents: 9482
diff changeset
   375
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   376
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   377
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   378
(** proof steps **)
ff3c82b47603 Proof states and methods.
wenzelm
parents:
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   379
17359
543735c6f424 major cleanup of interfaces and implementation;
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parents: 17203
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   380
(* refine via method *)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   381
8234
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   382
local
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   383
16146
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   384
fun goalN i = "goal" ^ string_of_int i;
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   385
fun goals st = map goalN (1 upto Thm.nprems_of st);
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   386
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   387
fun no_goal_cases st = map (rpair NONE) (goals st);
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   388
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   389
fun goal_cases st =
33368
b1cf34f1855c modernized structure Rule_Cases;
wenzelm
parents: 33288
diff changeset
   390
  Rule_Cases.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
   391
32193
c314b4836031 basic method application: avoid Position.setmp_thread_data_seq, which destroys transaction context;
wenzelm
parents: 32187
diff changeset
   392
fun apply_method current_context meth state =
6848
3d82756e1af5 tuned print_state;
wenzelm
parents: 6798
diff changeset
   393
  let
24556
22ac3c8d78a5 reset goal messages after goal update;
wenzelm
parents: 24550
diff changeset
   394
    val (goal_ctxt, (_, {statement, messages = _, using, goal, before_qed, after_qed})) =
24543
e2332d1ff6c7 added goal_message;
wenzelm
parents: 24050
diff changeset
   395
      find_goal state;
25958
bcedde463850 statement: keep explicit position;
wenzelm
parents: 25227
diff changeset
   396
    val ctxt = if current_context then context_of state else goal_ctxt;
16146
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   397
  in
32193
c314b4836031 basic method application: avoid Position.setmp_thread_data_seq, which destroys transaction context;
wenzelm
parents: 32187
diff changeset
   398
    Method.apply meth ctxt using goal |> Seq.map (fn (meth_cases, goal') =>
6848
3d82756e1af5 tuned print_state;
wenzelm
parents: 6798
diff changeset
   399
      state
16146
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   400
      |> map_goal
18475
02093ed55e05 auto cases: marked improper;
wenzelm
parents: 18450
diff changeset
   401
          (ProofContext.add_cases false (no_goal_cases goal @ goal_cases goal') #>
02093ed55e05 auto cases: marked improper;
wenzelm
parents: 18450
diff changeset
   402
           ProofContext.add_cases true meth_cases)
24556
22ac3c8d78a5 reset goal messages after goal update;
wenzelm
parents: 24550
diff changeset
   403
          (K (statement, [], using, goal', before_qed, after_qed)))
16146
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   404
  end;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   405
19188
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   406
fun select_goals n meth state =
19224
a32d9dbe9551 select_goals: split original conjunctions;
wenzelm
parents: 19188
diff changeset
   407
  state
a32d9dbe9551 select_goals: split original conjunctions;
wenzelm
parents: 19188
diff changeset
   408
  |> (#2 o #2 o get_goal)
21687
f689f729afab reorganized structure Goal vs. Tactic;
wenzelm
parents: 21666
diff changeset
   409
  |> ALLGOALS Goal.conjunction_tac
19224
a32d9dbe9551 select_goals: split original conjunctions;
wenzelm
parents: 19188
diff changeset
   410
  |> Seq.maps (fn goal =>
19188
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   411
    state
21687
f689f729afab reorganized structure Goal vs. Tactic;
wenzelm
parents: 21666
diff changeset
   412
    |> Seq.lift set_goal (Goal.extract 1 n goal |> Seq.maps (Goal.conjunction_tac 1))
19188
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   413
    |> Seq.maps meth
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   414
    |> Seq.maps (fn state' => state'
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   415
      |> Seq.lift set_goal (Goal.retrofit 1 n (#2 (#2 (get_goal state'))) goal))
32193
c314b4836031 basic method application: avoid Position.setmp_thread_data_seq, which destroys transaction context;
wenzelm
parents: 32187
diff changeset
   416
    |> Seq.maps (apply_method true (K Method.succeed)));
19188
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   417
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   418
fun apply_text cc text state =
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   419
  let
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   420
    val thy = theory_of state;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   421
32193
c314b4836031 basic method application: avoid Position.setmp_thread_data_seq, which destroys transaction context;
wenzelm
parents: 32187
diff changeset
   422
    fun eval (Method.Basic m) = apply_method cc m
c314b4836031 basic method application: avoid Position.setmp_thread_data_seq, which destroys transaction context;
wenzelm
parents: 32187
diff changeset
   423
      | eval (Method.Source src) = apply_method cc (Method.method thy src)
c314b4836031 basic method application: avoid Position.setmp_thread_data_seq, which destroys transaction context;
wenzelm
parents: 32187
diff changeset
   424
      | eval (Method.Source_i src) = apply_method cc (Method.method_i thy src)
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   425
      | eval (Method.Then txts) = Seq.EVERY (map eval txts)
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   426
      | eval (Method.Orelse txts) = Seq.FIRST (map eval txts)
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   427
      | eval (Method.Try txt) = Seq.TRY (eval txt)
19188
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   428
      | eval (Method.Repeat1 txt) = Seq.REPEAT1 (eval txt)
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   429
      | eval (Method.SelectGoals (n, txt)) = select_goals n (eval txt);
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   430
  in eval text state end;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   431
8234
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   432
in
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   433
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   434
val refine = apply_text true;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   435
val refine_end = apply_text false;
32856
92d9555ac790 clarified Proof.refine_insert -- always "refine" to apply standard method treatment (of conjunctions);
wenzelm
parents: 32786
diff changeset
   436
fun refine_insert ths = Seq.hd o refine (Method.Basic (K (Method.insert ths)));
18908
fb080097e436 added refine_insert;
wenzelm
parents: 18878
diff changeset
   437
8234
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   438
end;
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   439
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   440
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   441
(* refine via sub-proof *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   442
30557
a28d83e903ce goal_tac: finish marked assumptions from left to right -- corresponds better with the strategy of etac, with significant performance gains in some situations;
wenzelm
parents: 30510
diff changeset
   443
fun finish_tac 0 = K all_tac
a28d83e903ce goal_tac: finish marked assumptions from left to right -- corresponds better with the strategy of etac, with significant performance gains in some situations;
wenzelm
parents: 30510
diff changeset
   444
  | finish_tac n =
a28d83e903ce goal_tac: finish marked assumptions from left to right -- corresponds better with the strategy of etac, with significant performance gains in some situations;
wenzelm
parents: 30510
diff changeset
   445
      Goal.norm_hhf_tac THEN'
a28d83e903ce goal_tac: finish marked assumptions from left to right -- corresponds better with the strategy of etac, with significant performance gains in some situations;
wenzelm
parents: 30510
diff changeset
   446
      SUBGOAL (fn (goal, i) =>
a28d83e903ce goal_tac: finish marked assumptions from left to right -- corresponds better with the strategy of etac, with significant performance gains in some situations;
wenzelm
parents: 30510
diff changeset
   447
        if can Logic.unprotect (Logic.strip_assums_concl goal) then
a28d83e903ce goal_tac: finish marked assumptions from left to right -- corresponds better with the strategy of etac, with significant performance gains in some situations;
wenzelm
parents: 30510
diff changeset
   448
          Tactic.etac Drule.protectI i THEN finish_tac (n - 1) i
a28d83e903ce goal_tac: finish marked assumptions from left to right -- corresponds better with the strategy of etac, with significant performance gains in some situations;
wenzelm
parents: 30510
diff changeset
   449
        else finish_tac (n - 1) (i + 1));
a28d83e903ce goal_tac: finish marked assumptions from left to right -- corresponds better with the strategy of etac, with significant performance gains in some situations;
wenzelm
parents: 30510
diff changeset
   450
20208
90e551baac6a export goal_tac (was internal refine_tac);
wenzelm
parents: 20031
diff changeset
   451
fun goal_tac rule =
30557
a28d83e903ce goal_tac: finish marked assumptions from left to right -- corresponds better with the strategy of etac, with significant performance gains in some situations;
wenzelm
parents: 30510
diff changeset
   452
  Goal.norm_hhf_tac THEN'
a28d83e903ce goal_tac: finish marked assumptions from left to right -- corresponds better with the strategy of etac, with significant performance gains in some situations;
wenzelm
parents: 30510
diff changeset
   453
  Tactic.rtac rule THEN'
a28d83e903ce goal_tac: finish marked assumptions from left to right -- corresponds better with the strategy of etac, with significant performance gains in some situations;
wenzelm
parents: 30510
diff changeset
   454
  finish_tac (Thm.nprems_of rule);
11816
545aab7410ac simplified exporter interface;
wenzelm
parents: 11793
diff changeset
   455
19915
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   456
fun refine_goals print_rule inner raw_rules state =
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   457
  let
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   458
    val (outer, (_, goal)) = get_goal state;
20208
90e551baac6a export goal_tac (was internal refine_tac);
wenzelm
parents: 20031
diff changeset
   459
    fun refine rule st = (print_rule outer rule; FINDGOAL (goal_tac rule) st);
19915
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   460
  in
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   461
    raw_rules
20309
7491ae0357b9 simplified Assumption/ProofContext.export;
wenzelm
parents: 20224
diff changeset
   462
    |> ProofContext.goal_export inner outer
7491ae0357b9 simplified Assumption/ProofContext.export;
wenzelm
parents: 20224
diff changeset
   463
    |> (fn rules => Seq.lift set_goal (EVERY (map refine rules) goal) state)
19915
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   464
  end;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   465
6932
77c14313af51 propp: 'concl' patterns;
wenzelm
parents: 6896
diff changeset
   466
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   467
(* conclude_goal *)
6932
77c14313af51 propp: 'concl' patterns;
wenzelm
parents: 6896
diff changeset
   468
28627
63663cfa297c conclude_goal: precise goal context, include all sorts from context into statement, check shyps of result;
wenzelm
parents: 28458
diff changeset
   469
fun conclude_goal ctxt goal propss =
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   470
  let
28627
63663cfa297c conclude_goal: precise goal context, include all sorts from context into statement, check shyps of result;
wenzelm
parents: 28458
diff changeset
   471
    val thy = ProofContext.theory_of ctxt;
24920
2a45e400fdad generic Syntax.pretty/string_of operations;
wenzelm
parents: 24794
diff changeset
   472
    val string_of_term = Syntax.string_of_term ctxt;
32091
30e2ffbba718 proper context for Display.pretty_thm etc. or old-style versions Display.pretty_thm_global, Display.pretty_thm_without_context etc.;
wenzelm
parents: 32089
diff changeset
   473
    val string_of_thm = Display.string_of_thm ctxt;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   474
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   475
    val ngoals = Thm.nprems_of goal;
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   476
    val _ = ngoals = 0 orelse error (Pretty.string_of (Pretty.chunks
32187
cca43ca13f4f renamed structure Display_Goal to Goal_Display;
wenzelm
parents: 32167
diff changeset
   477
      (Goal_Display.pretty_goals ctxt
32167
d32817dda0e6 Display_Goal.pretty_goals: always Markup.subgoal, clarified options;
wenzelm
parents: 32145
diff changeset
   478
          {total = true, main = ! show_main_goal, maxgoals = ! Display.goals_limit} goal @
23639
961d1061e540 pretty_state: subgoal markup;
wenzelm
parents: 23418
diff changeset
   479
        [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
   480
9c40a144ee0e moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents: 20208
diff changeset
   481
    val extra_hyps = Assumption.extra_hyps ctxt goal;
9c40a144ee0e moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents: 20208
diff changeset
   482
    val _ = null extra_hyps orelse
9c40a144ee0e moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents: 20208
diff changeset
   483
      error ("Additional hypotheses:\n" ^ cat_lines (map string_of_term extra_hyps));
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   484
23418
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   485
    fun lost_structure () = error ("Lost goal structure:\n" ^ string_of_thm goal);
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   486
23782
4dd0ba632e40 Proof terms for meta-conjunctions are now normalized before
berghofe
parents: 23639
diff changeset
   487
    val th = Goal.conclude
23806
wenzelm
parents: 23782
diff changeset
   488
      (if length (flat propss) > 1 then Thm.norm_proof goal else goal)
23782
4dd0ba632e40 Proof terms for meta-conjunctions are now normalized before
berghofe
parents: 23639
diff changeset
   489
      handle THM _ => lost_structure ();
23418
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   490
    val goal_propss = filter_out null propss;
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   491
    val results =
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   492
      Conjunction.elim_balanced (length goal_propss) th
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   493
      |> map2 Conjunction.elim_balanced (map length goal_propss)
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   494
      handle THM _ => lost_structure ();
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   495
    val _ = Unify.matches_list thy (flat goal_propss) (map Thm.prop_of (flat results)) orelse
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   496
      error ("Proved a different theorem:\n" ^ string_of_thm th);
28627
63663cfa297c conclude_goal: precise goal context, include all sorts from context into statement, check shyps of result;
wenzelm
parents: 28458
diff changeset
   497
    val _ = Thm.check_shyps (Variable.sorts_of ctxt) th;
23418
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   498
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   499
    fun recover_result ([] :: pss) thss = [] :: recover_result pss thss
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   500
      | recover_result (_ :: pss) (ths :: thss) = ths :: recover_result pss thss
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   501
      | recover_result [] [] = []
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   502
      | recover_result _ _ = lost_structure ();
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   503
  in recover_result propss results end;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   504
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   505
33288
bd3f30da7bc1 replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents: 33165
diff changeset
   506
(* goal views -- corresponding to methods *)
bd3f30da7bc1 replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents: 33165
diff changeset
   507
bd3f30da7bc1 replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents: 33165
diff changeset
   508
fun raw_goal state =
bd3f30da7bc1 replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents: 33165
diff changeset
   509
  let val (ctxt, (facts, goal)) = get_goal state
bd3f30da7bc1 replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents: 33165
diff changeset
   510
  in {context = ctxt, facts = facts, goal = goal} end;
bd3f30da7bc1 replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents: 33165
diff changeset
   511
bd3f30da7bc1 replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents: 33165
diff changeset
   512
val goal = raw_goal o refine_insert [];
bd3f30da7bc1 replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents: 33165
diff changeset
   513
bd3f30da7bc1 replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents: 33165
diff changeset
   514
fun simple_goal state =
bd3f30da7bc1 replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents: 33165
diff changeset
   515
  let
bd3f30da7bc1 replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents: 33165
diff changeset
   516
    val (_, (facts, _)) = get_goal state;
bd3f30da7bc1 replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents: 33165
diff changeset
   517
    val (ctxt, (_, goal)) = get_goal (refine_insert facts state);
bd3f30da7bc1 replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents: 33165
diff changeset
   518
  in {context = ctxt, goal = goal} end;
bd3f30da7bc1 replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents: 33165
diff changeset
   519
bd3f30da7bc1 replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents: 33165
diff changeset
   520
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   521
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   522
(*** structured proof commands ***)
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   523
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   524
(** context elements **)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   525
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   526
(* bindings *)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   527
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   528
local
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   529
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   530
fun gen_bind bind args state =
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   531
  state
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   532
  |> assert_forward
18308
f18a54840629 simulaneous 'def';
wenzelm
parents: 18228
diff changeset
   533
  |> map_context (bind args #> snd)
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   534
  |> put_facts NONE;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   535
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   536
in
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   537
8617
33e2bd53aec3 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8582
diff changeset
   538
val match_bind = gen_bind (ProofContext.match_bind false);
33e2bd53aec3 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8582
diff changeset
   539
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
   540
val let_bind = gen_bind (ProofContext.match_bind true);
33e2bd53aec3 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8582
diff changeset
   541
val let_bind_i = gen_bind (ProofContext.match_bind_i true);
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   542
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   543
end;
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   544
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   545
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   546
(* fix *)
9196
1f6f66fe777a facts: handle multiple lists of arguments;
wenzelm
parents: 8991
diff changeset
   547
12714
61af28328417 have_thmss vs. have_thmss_i;
wenzelm
parents: 12703
diff changeset
   548
local
61af28328417 have_thmss vs. have_thmss_i;
wenzelm
parents: 12703
diff changeset
   549
30763
6976521b4263 renamed ProofContext.add_fixes_i to ProofContext.add_fixes, eliminated obsolete external version;
wenzelm
parents: 30761
diff changeset
   550
fun gen_fix prep_vars args =
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   551
  assert_forward
30763
6976521b4263 renamed ProofContext.add_fixes_i to ProofContext.add_fixes, eliminated obsolete external version;
wenzelm
parents: 30761
diff changeset
   552
  #> map_context (fn ctxt => snd (ProofContext.add_fixes (prep_vars ctxt args) ctxt))
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   553
  #> put_facts NONE;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   554
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   555
in
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   556
30763
6976521b4263 renamed ProofContext.add_fixes_i to ProofContext.add_fixes, eliminated obsolete external version;
wenzelm
parents: 30761
diff changeset
   557
val fix = gen_fix (fn ctxt => fn args => fst (ProofContext.read_vars args ctxt));
6976521b4263 renamed ProofContext.add_fixes_i to ProofContext.add_fixes, eliminated obsolete external version;
wenzelm
parents: 30761
diff changeset
   558
val fix_i = gen_fix (K I);
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   559
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   560
end;
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   561
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   562
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   563
(* assume etc. *)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   564
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   565
local
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   566
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   567
fun gen_assume asm prep_att exp args state =
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   568
  state
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   569
  |> assert_forward
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   570
  |> 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
   571
  |> these_factss [] |> #2;
6932
77c14313af51 propp: 'concl' patterns;
wenzelm
parents: 6896
diff changeset
   572
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   573
in
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   574
18728
6790126ab5f6 simplified type attribute;
wenzelm
parents: 18678
diff changeset
   575
val assm      = gen_assume ProofContext.add_assms Attrib.attribute;
18670
c3f445b92aff uniform handling of fixes;
wenzelm
parents: 18607
diff changeset
   576
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
   577
val assume    = assm Assumption.assume_export;
9c40a144ee0e moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents: 20208
diff changeset
   578
val assume_i  = assm_i Assumption.assume_export;
9c40a144ee0e moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents: 20208
diff changeset
   579
val presume   = assm Assumption.presume_export;
9c40a144ee0e moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents: 20208
diff changeset
   580
val presume_i = assm_i Assumption.presume_export;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   581
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   582
end;
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   583
7271
442456b2a8bb assume: multiple args;
wenzelm
parents: 7201
diff changeset
   584
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   585
(* def *)
11891
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   586
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   587
local
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   588
20913
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   589
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
   590
  let
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   591
    val _ = assert_forward state;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   592
    val thy = theory_of state;
11891
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   593
20913
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   594
    val (raw_name_atts, (raw_vars, raw_rhss)) = args |> split_list ||> split_list;
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   595
    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
   596
  in
20913
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   597
    state
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   598
    |> 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
   599
    |>> map (fn (x, _, mx) => (x, mx))
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   600
    |-> (fn vars =>
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   601
      map_context_result (prep_binds false (map swap raw_rhss))
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   602
      #-> (fn rhss => map_context_result (LocalDefs.add_defs (vars ~~ (name_atts ~~ rhss)))))
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   603
    |-> (put_facts o SOME o map (#2 o #2))
11891
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   604
  end;
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   605
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   606
in
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   607
20913
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   608
val def = gen_def Attrib.attribute ProofContext.read_vars ProofContext.match_bind;
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   609
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
   610
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   611
end;
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   612
11891
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   613
8374
ffb2eb084078 generalized FINDGOAL, HEADGOAL;
wenzelm
parents: 8239
diff changeset
   614
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   615
(** facts **)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   616
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   617
(* chain *)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   618
24011
8f2703c02241 chain/using: filter out dummy_thm;
wenzelm
parents: 23963
diff changeset
   619
fun clean_facts ctxt =
24050
248da5f0e735 renamed Drule.is_dummy_thm to Thm.is_dummy;
wenzelm
parents: 24011
diff changeset
   620
  put_facts (SOME (filter_out Thm.is_dummy (the_facts ctxt))) ctxt;
24011
8f2703c02241 chain/using: filter out dummy_thm;
wenzelm
parents: 23963
diff changeset
   621
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   622
val chain =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   623
  assert_forward
24011
8f2703c02241 chain/using: filter out dummy_thm;
wenzelm
parents: 23963
diff changeset
   624
  #> clean_facts
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   625
  #> enter_chain;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   626
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   627
fun chain_facts facts =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   628
  put_facts (SOME facts)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   629
  #> chain;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   630
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   631
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   632
(* note etc. *)
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   633
28965
1de908189869 cleaned up binding module and related code
haftmann
parents: 28627
diff changeset
   634
fun no_binding args = map (pair (Binding.empty, [])) args;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   635
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   636
local
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   637
30760
0fffc66b10d7 simplified references to facts, eliminated external note_thmss;
wenzelm
parents: 30757
diff changeset
   638
fun gen_thmss more_facts opt_chain opt_result prep_atts prep_fact args state =
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   639
  state
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   640
  |> assert_forward
30761
ac7570d80c3d renamed ProofContext.note_thmss_i to ProofContext.note_thmss, eliminated obsolete external version;
wenzelm
parents: 30760
diff changeset
   641
  |> map_context_result (ProofContext.note_thmss ""
30760
0fffc66b10d7 simplified references to facts, eliminated external note_thmss;
wenzelm
parents: 30757
diff changeset
   642
    (Attrib.map_facts_refs (prep_atts (theory_of state)) (prep_fact (context_of state)) args))
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   643
  |> these_factss (more_facts state)
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   644
  ||> opt_chain
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   645
  |> opt_result;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   646
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   647
in
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   648
30760
0fffc66b10d7 simplified references to facts, eliminated external note_thmss;
wenzelm
parents: 30757
diff changeset
   649
val note_thmss = gen_thmss (K []) I #2 Attrib.attribute ProofContext.get_fact;
0fffc66b10d7 simplified references to facts, eliminated external note_thmss;
wenzelm
parents: 30757
diff changeset
   650
val note_thmss_i = gen_thmss (K []) I #2 (K I) (K I);
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   651
30760
0fffc66b10d7 simplified references to facts, eliminated external note_thmss;
wenzelm
parents: 30757
diff changeset
   652
val from_thmss = gen_thmss (K []) chain #2 Attrib.attribute ProofContext.get_fact o no_binding;
0fffc66b10d7 simplified references to facts, eliminated external note_thmss;
wenzelm
parents: 30757
diff changeset
   653
val from_thmss_i = gen_thmss (K []) chain #2 (K I) (K I) o no_binding;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   654
30760
0fffc66b10d7 simplified references to facts, eliminated external note_thmss;
wenzelm
parents: 30757
diff changeset
   655
val with_thmss = gen_thmss the_facts chain #2 Attrib.attribute ProofContext.get_fact o no_binding;
0fffc66b10d7 simplified references to facts, eliminated external note_thmss;
wenzelm
parents: 30757
diff changeset
   656
val with_thmss_i = gen_thmss the_facts chain #2 (K I) (K I) o no_binding;
0fffc66b10d7 simplified references to facts, eliminated external note_thmss;
wenzelm
parents: 30757
diff changeset
   657
0fffc66b10d7 simplified references to facts, eliminated external note_thmss;
wenzelm
parents: 30757
diff changeset
   658
val local_results = gen_thmss (K []) I I (K I) (K I) o map (apsnd Thm.simple_fact);
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   659
28965
1de908189869 cleaned up binding module and related code
haftmann
parents: 28627
diff changeset
   660
fun get_thmss state srcs = the_facts (note_thmss [((Binding.empty, []), srcs)] state);
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   661
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   662
end;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   663
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   664
18548
cb8e8fb9e52d added unfolding(_i);
wenzelm
parents: 18503
diff changeset
   665
(* using/unfolding *)
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   666
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   667
local
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   668
30760
0fffc66b10d7 simplified references to facts, eliminated external note_thmss;
wenzelm
parents: 30757
diff changeset
   669
fun gen_using f g prep_atts prep_fact args state =
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   670
  state
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   671
  |> assert_backward
21442
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   672
  |> map_context_result
30761
ac7570d80c3d renamed ProofContext.note_thmss_i to ProofContext.note_thmss, eliminated obsolete external version;
wenzelm
parents: 30760
diff changeset
   673
    (ProofContext.note_thmss ""
30760
0fffc66b10d7 simplified references to facts, eliminated external note_thmss;
wenzelm
parents: 30757
diff changeset
   674
      (Attrib.map_facts_refs (prep_atts (theory_of state)) (prep_fact (context_of state))
0fffc66b10d7 simplified references to facts, eliminated external note_thmss;
wenzelm
parents: 30757
diff changeset
   675
        (no_binding args)))
18843
23db974a0575 'unfolding': LocalDefs.unfold;
wenzelm
parents: 18826
diff changeset
   676
  |> (fn (named_facts, state') =>
24556
22ac3c8d78a5 reset goal messages after goal update;
wenzelm
parents: 24550
diff changeset
   677
    state' |> map_goal I (fn (statement, _, using, goal, before_qed, after_qed) =>
18843
23db974a0575 'unfolding': LocalDefs.unfold;
wenzelm
parents: 18826
diff changeset
   678
      let
23db974a0575 'unfolding': LocalDefs.unfold;
wenzelm
parents: 18826
diff changeset
   679
        val ctxt = context_of state';
19482
9f11af8f7ef9 tuned basic list operators (flat, maps, map_filter);
wenzelm
parents: 19475
diff changeset
   680
        val ths = maps snd named_facts;
24556
22ac3c8d78a5 reset goal messages after goal update;
wenzelm
parents: 24550
diff changeset
   681
      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
   682
24050
248da5f0e735 renamed Drule.is_dummy_thm to Thm.is_dummy;
wenzelm
parents: 24011
diff changeset
   683
fun append_using _ ths using = using @ filter_out Thm.is_dummy ths;
18878
08b06ec0ef74 tuned LocalDefs.unfold;
wenzelm
parents: 18843
diff changeset
   684
fun unfold_using ctxt ths = map (LocalDefs.unfold ctxt ths);
08b06ec0ef74 tuned LocalDefs.unfold;
wenzelm
parents: 18843
diff changeset
   685
val unfold_goals = LocalDefs.unfold_goals;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   686
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   687
in
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   688
30760
0fffc66b10d7 simplified references to facts, eliminated external note_thmss;
wenzelm
parents: 30757
diff changeset
   689
val using = gen_using append_using (K (K I)) Attrib.attribute ProofContext.get_fact;
0fffc66b10d7 simplified references to facts, eliminated external note_thmss;
wenzelm
parents: 30757
diff changeset
   690
val using_i = gen_using append_using (K (K I)) (K I) (K I);
0fffc66b10d7 simplified references to facts, eliminated external note_thmss;
wenzelm
parents: 30757
diff changeset
   691
val unfolding = gen_using unfold_using unfold_goals Attrib.attribute ProofContext.get_fact;
0fffc66b10d7 simplified references to facts, eliminated external note_thmss;
wenzelm
parents: 30757
diff changeset
   692
val unfolding_i = gen_using unfold_using unfold_goals (K I) (K I);
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   693
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   694
end;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   695
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   696
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   697
(* case *)
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   698
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   699
local
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   700
30419
c944e299eaf9 invoke_case: proper qualification of name binding, avoiding old no_base_names;
wenzelm
parents: 30279
diff changeset
   701
fun qualified_binding a =
c944e299eaf9 invoke_case: proper qualification of name binding, avoiding old no_base_names;
wenzelm
parents: 30279
diff changeset
   702
  Binding.qualify true (Long_Name.qualifier a) (Binding.name (Long_Name.base_name a));
c944e299eaf9 invoke_case: proper qualification of name binding, avoiding old no_base_names;
wenzelm
parents: 30279
diff changeset
   703
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   704
fun gen_invoke_case prep_att (name, xs, raw_atts) state =
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   705
  let
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   706
    val atts = map (prep_att (theory_of state)) raw_atts;
19078
97971a84f0c7 added put_thms_internal;
wenzelm
parents: 19000
diff changeset
   707
    val (asms, state') = state |> map_context_result (fn ctxt =>
97971a84f0c7 added put_thms_internal;
wenzelm
parents: 19000
diff changeset
   708
      ctxt |> ProofContext.apply_case (ProofContext.get_case ctxt name xs));
30419
c944e299eaf9 invoke_case: proper qualification of name binding, avoiding old no_base_names;
wenzelm
parents: 30279
diff changeset
   709
    val assumptions = asms |> map (fn (a, ts) => ((qualified_binding a, atts), map (rpair []) ts));
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   710
  in
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   711
    state'
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   712
    |> assume_i assumptions
33386
ff29d1549aca modernized structure AutoBind;
wenzelm
parents: 33368
diff changeset
   713
    |> bind_terms Auto_Bind.no_facts
28965
1de908189869 cleaned up binding module and related code
haftmann
parents: 28627
diff changeset
   714
    |> `the_facts |-> (fn thms => note_thmss_i [((Binding.name name, []), [(thms, [])])])
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   715
  end;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   716
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   717
in
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   718
18728
6790126ab5f6 simplified type attribute;
wenzelm
parents: 18678
diff changeset
   719
val invoke_case = gen_invoke_case Attrib.attribute;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   720
val invoke_case_i = gen_invoke_case (K I);
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   721
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   722
end;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   723
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   724
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   725
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   726
(** proof structure **)
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
(* blocks *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   729
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   730
val begin_block =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   731
  assert_forward
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   732
  #> open_block
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   733
  #> put_goal NONE
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   734
  #> open_block;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   735
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   736
val next_block =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   737
  assert_forward
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   738
  #> close_block
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   739
  #> open_block
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   740
  #> put_goal NONE
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   741
  #> put_facts NONE;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   742
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   743
fun end_block state =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   744
  state
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   745
  |> assert_forward
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   746
  |> close_block
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   747
  |> assert_current_goal false
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   748
  |> close_block
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   749
  |> export_facts state;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   750
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   751
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   752
(* sub-proofs *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   753
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   754
fun proof opt_text =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   755
  assert_backward
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   756
  #> refine (the_default Method.default_text opt_text)
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   757
  #> Seq.map (using_facts [] #> enter_forward);
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   758
23360
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   759
fun end_proof bot txt state =
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   760
  state
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   761
  |> assert_forward
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   762
  |> assert_bottom bot
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   763
  |> close_block
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   764
  |> assert_current_goal true
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   765
  |> using_facts []
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   766
  |> `before_qed |-> (refine o the_default Method.succeed_text)
32193
c314b4836031 basic method application: avoid Position.setmp_thread_data_seq, which destroys transaction context;
wenzelm
parents: 32187
diff changeset
   767
  |> Seq.maps (refine (Method.finish_text txt));
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   768
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   769
fun check_result msg sq =
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   770
  (case Seq.pull sq of
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   771
    NONE => error msg
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   772
  | SOME (s, _) => s);
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   773
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   774
fun check_finish sq = check_result "Failed to finish proof" sq;
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   775
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   776
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   777
(* unstructured refinement *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   778
32193
c314b4836031 basic method application: avoid Position.setmp_thread_data_seq, which destroys transaction context;
wenzelm
parents: 32187
diff changeset
   779
fun defer i = assert_no_chain #> refine (Method.Basic (K (Method.defer i)));
c314b4836031 basic method application: avoid Position.setmp_thread_data_seq, which destroys transaction context;
wenzelm
parents: 32187
diff changeset
   780
fun prefer i = assert_no_chain #> refine (Method.Basic (K (Method.prefer i)));
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   781
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   782
fun apply text = assert_backward #> refine text #> Seq.map (using_facts []);
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   783
fun apply_end text = assert_forward #> refine_end text;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   784
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   785
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   786
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   787
(** goals **)
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   788
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   789
(* generic goals *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   790
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   791
local
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   792
19846
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   793
fun implicit_vars dest add props =
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   794
  let
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   795
    val (explicit_vars, props') = take_prefix (can dest) props |>> map dest;
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   796
    val vars = rev (subtract (op =) explicit_vars (fold add props []));
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   797
    val _ =
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   798
      if null vars then ()
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   799
      else warning ("Goal statement contains unbound schematic variable(s): " ^
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   800
        commas_quote (map (Term.string_of_vname o fst) vars));
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   801
  in (rev vars, props') end;
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   802
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   803
fun refine_terms n =
30510
4120fc59dd85 unified type Proof.method and pervasive METHOD combinators;
wenzelm
parents: 30419
diff changeset
   804
  refine (Method.Basic (K (RAW_METHOD
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   805
    (K (HEADGOAL (PRECISE_CONJUNCTS n
32193
c314b4836031 basic method application: avoid Position.setmp_thread_data_seq, which destroys transaction context;
wenzelm
parents: 32187
diff changeset
   806
      (HEADGOAL (CONJUNCTS (ALLGOALS (rtac Drule.termI))))))))))
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   807
  #> Seq.hd;
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   808
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   809
in
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   810
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   811
fun generic_goal prepp kind before_qed after_qed raw_propp state =
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   812
  let
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   813
    val thy = theory_of state;
23418
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   814
    val cert = Thm.cterm_of thy;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   815
    val chaining = can assert_chain state;
25958
bcedde463850 statement: keep explicit position;
wenzelm
parents: 25227
diff changeset
   816
    val pos = Position.thread_data ();
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   817
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   818
    val ((propss, after_ctxt), goal_state) =
5936
406eb27fe53c match_bind(_i): 'as' patterns;
wenzelm
parents: 5918
diff changeset
   819
      state
406eb27fe53c match_bind(_i): 'as' patterns;
wenzelm
parents: 5918
diff changeset
   820
      |> assert_forward_or_chain
406eb27fe53c match_bind(_i): 'as' patterns;
wenzelm
parents: 5918
diff changeset
   821
      |> enter_forward
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   822
      |> open_block
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   823
      |> 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
   824
    val props = flat propss;
15703
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
   825
19846
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   826
    val (_, props') =
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   827
      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
   828
    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
   829
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   830
    val propss' = map (Logic.mk_term o Var) vars :: propss;
23418
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   831
    val goal_propss = filter_out null propss';
29346
fe6843aa4f5f more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents: 29090
diff changeset
   832
    val goal =
fe6843aa4f5f more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents: 29090
diff changeset
   833
      cert (Logic.mk_conjunction_balanced (map Logic.mk_conjunction_balanced goal_propss))
28627
63663cfa297c conclude_goal: precise goal context, include all sorts from context into statement, check shyps of result;
wenzelm
parents: 28458
diff changeset
   834
      |> Thm.weaken_sorts (Variable.sorts_of (context_of goal_state));
29346
fe6843aa4f5f more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents: 29090
diff changeset
   835
    val statement = ((kind, pos), propss', Thm.term_of goal);
18124
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
   836
    val after_qed' = after_qed |>> (fn after_local =>
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
   837
      fn results => map_context after_ctxt #> after_local results);
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   838
  in
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   839
    goal_state
21727
5acd4f35d26f init_context: reset naming;
wenzelm
parents: 21687
diff changeset
   840
    |> map_context (init_context #> Variable.set_body true)
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   841
    |> put_goal (SOME (make_goal (statement, [], [], Goal.init goal, before_qed, after_qed')))
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   842
    |> map_context (ProofContext.auto_bind_goal props)
21565
bd28361f4c5b simplified '?' operator;
wenzelm
parents: 21466
diff changeset
   843
    |> chaining ? (`the_facts #-> using_facts)
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   844
    |> put_facts NONE
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   845
    |> open_block
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   846
    |> put_goal NONE
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   847
    |> enter_backward
23418
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   848
    |> not (null vars) ? refine_terms (length goal_propss)
32193
c314b4836031 basic method application: avoid Position.setmp_thread_data_seq, which destroys transaction context;
wenzelm
parents: 32187
diff changeset
   849
    |> null props ? (refine (Method.Basic Method.assumption) #> Seq.hd)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   850
  end;
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   851
29090
bbfac5fd8d78 global_qed: refrain from ProofContext.auto_bind_facts, to avoid
wenzelm
parents: 28981
diff changeset
   852
fun generic_qed after_ctxt state =
12503
52994bfef01b Locale.activate_context;
wenzelm
parents: 12423
diff changeset
   853
  let
25958
bcedde463850 statement: keep explicit position;
wenzelm
parents: 25227
diff changeset
   854
    val (goal_ctxt, {statement, goal, after_qed, ...}) = current_goal state;
8617
33e2bd53aec3 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8582
diff changeset
   855
    val outer_state = state |> close_block;
33e2bd53aec3 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8582
diff changeset
   856
    val outer_ctxt = context_of outer_state;
33e2bd53aec3 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8582
diff changeset
   857
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   858
    val ((_, pos), stmt, _) = statement;
18503
841137f20307 goal/qed: proper treatment of two levels of conjunctions;
wenzelm
parents: 18475
diff changeset
   859
    val props =
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   860
      flat (tl stmt)
19915
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   861
      |> Variable.exportT_terms goal_ctxt outer_ctxt;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   862
    val results =
28627
63663cfa297c conclude_goal: precise goal context, include all sorts from context into statement, check shyps of result;
wenzelm
parents: 28458
diff changeset
   863
      tl (conclude_goal goal_ctxt goal stmt)
20309
7491ae0357b9 simplified Assumption/ProofContext.export;
wenzelm
parents: 20224
diff changeset
   864
      |> burrow (ProofContext.export goal_ctxt outer_ctxt);
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   865
  in
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   866
    outer_state
29090
bbfac5fd8d78 global_qed: refrain from ProofContext.auto_bind_facts, to avoid
wenzelm
parents: 28981
diff changeset
   867
    |> map_context (after_ctxt props)
34239
e18b0f7b9902 after_qed: refrain from Position.setmp_thread_data, which causes duplication of results with several independent proof attempts;
wenzelm
parents: 33389
diff changeset
   868
    |> pair (after_qed, results)
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   869
  end;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   870
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   871
end;
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   872
9469
8058d285b1cd export RANGE, hard_asm_tac, soft_asm_tac;
wenzelm
parents: 9292
diff changeset
   873
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   874
(* local goals *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   875
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   876
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
   877
  let
21362
3a2ab1dce297 simplified Proof.theorem(_i) interface -- removed target support;
wenzelm
parents: 21274
diff changeset
   878
    val thy = theory_of state;
3a2ab1dce297 simplified Proof.theorem(_i) interface -- removed target support;
wenzelm
parents: 21274
diff changeset
   879
    val ((names, attss), propp) =
3a2ab1dce297 simplified Proof.theorem(_i) interface -- removed target support;
wenzelm
parents: 21274
diff changeset
   880
      Attrib.map_specs (prep_att thy) stmt |> split_list |>> split_list;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   881
18124
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
   882
    fun after_qed' results =
18808
838fb803636e swapped Toplevel.theory_context;
wenzelm
parents: 18784
diff changeset
   883
      local_results ((names ~~ attss) ~~ results)
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   884
      #-> (fn res => tap (fn st => print_results (context_of st) ((kind, ""), res) : unit))
18124
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
   885
      #> after_qed results;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   886
  in
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   887
    state
21362
3a2ab1dce297 simplified Proof.theorem(_i) interface -- removed target support;
wenzelm
parents: 21274
diff changeset
   888
    |> 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
   889
    |> tap (Variable.warn_extra_tfrees (context_of state) o context_of)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   890
  end;
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   891
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   892
fun local_qeds txt =
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   893
  end_proof false txt
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   894
  #> Seq.map (generic_qed ProofContext.auto_bind_facts #->
29090
bbfac5fd8d78 global_qed: refrain from ProofContext.auto_bind_facts, to avoid
wenzelm
parents: 28981
diff changeset
   895
    (fn ((after_qed, _), results) => after_qed results));
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   896
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   897
fun local_qed txt = local_qeds txt #> check_finish;
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   898
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   899
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   900
(* global goals *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   901
21442
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   902
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
   903
  init ctxt
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   904
  |> generic_goal (prepp #> ProofContext.auto_fixes) "" before_qed (K I, after_qed) propp;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   905
21362
3a2ab1dce297 simplified Proof.theorem(_i) interface -- removed target support;
wenzelm
parents: 21274
diff changeset
   906
val theorem = global_goal ProofContext.bind_propp_schematic;
3a2ab1dce297 simplified Proof.theorem(_i) interface -- removed target support;
wenzelm
parents: 21274
diff changeset
   907
val theorem_i = global_goal ProofContext.bind_propp_schematic_i;
12065
5f7f44d5e3dd theorem(_i): locale atts;
wenzelm
parents: 12055
diff changeset
   908
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   909
fun global_qeds txt =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   910
  end_proof true txt
29090
bbfac5fd8d78 global_qed: refrain from ProofContext.auto_bind_facts, to avoid
wenzelm
parents: 28981
diff changeset
   911
  #> Seq.map (generic_qed (K I) #> (fn (((_, after_qed), results), state) =>
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   912
    after_qed results (context_of state)));
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   913
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   914
fun global_qed txt = global_qeds txt #> check_finish;
12959
bf48fd86a732 clarified localized multi statements;
wenzelm
parents: 12930
diff changeset
   915
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   916
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   917
(* concluding steps *)
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   918
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   919
fun terminal_proof qed initial terminal =
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   920
  proof (SOME initial) #> Seq.maps (qed terminal) #> check_finish;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   921
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   922
fun local_terminal_proof (text, opt_text) = terminal_proof local_qeds text (opt_text, true);
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   923
val local_default_proof = local_terminal_proof (Method.default_text, NONE);
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   924
val local_immediate_proof = local_terminal_proof (Method.this_text, NONE);
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   925
fun local_skip_proof int = local_terminal_proof (Method.sorry_text int, NONE);
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   926
val local_done_proof = terminal_proof local_qeds Method.done_text (NONE, false);
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   927
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   928
fun global_terminal_proof (text, opt_text) = terminal_proof global_qeds text (opt_text, true);
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   929
val global_default_proof = global_terminal_proof (Method.default_text, NONE);
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   930
val global_immediate_proof = global_terminal_proof (Method.this_text, NONE);
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   931
fun global_skip_proof int = global_terminal_proof (Method.sorry_text int, NONE);
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   932
val global_done_proof = terminal_proof global_qeds Method.done_text (NONE, false);
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   933
6896
4bdc3600ddae close_block: transfer_used_names;
wenzelm
parents: 6891
diff changeset
   934
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   935
(* common goal statements *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   936
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   937
local
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   938
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   939
fun gen_have prep_att prepp before_qed after_qed stmt int =
33389
bb3a5fa94a91 modernized structure Proof_Display;
wenzelm
parents: 33386
diff changeset
   940
  local_goal (Proof_Display.print_results int) prep_att prepp "have" before_qed after_qed stmt;
6896
4bdc3600ddae close_block: transfer_used_names;
wenzelm
parents: 6891
diff changeset
   941
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   942
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
   943
  let
32738
15bb09ca0378 explicit indication of Unsynchronized.ref;
wenzelm
parents: 32193
diff changeset
   944
    val testing = Unsynchronized.ref false;
15bb09ca0378 explicit indication of Unsynchronized.ref;
wenzelm
parents: 32193
diff changeset
   945
    val rule = Unsynchronized.ref (NONE: thm option);
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   946
    fun fail_msg ctxt =
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   947
      "Local statement will fail to refine any pending goal" ::
33389
bb3a5fa94a91 modernized structure Proof_Display;
wenzelm
parents: 33386
diff changeset
   948
      (case ! rule of NONE => [] | SOME th => [Proof_Display.string_of_rule ctxt "Failed" th])
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   949
      |> cat_lines;
6896
4bdc3600ddae close_block: transfer_used_names;
wenzelm
parents: 6891
diff changeset
   950
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   951
    fun print_results ctxt res =
33389
bb3a5fa94a91 modernized structure Proof_Display;
wenzelm
parents: 33386
diff changeset
   952
      if ! testing then () else Proof_Display.print_results int ctxt res;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   953
    fun print_rule ctxt th =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   954
      if ! testing then rule := SOME th
33389
bb3a5fa94a91 modernized structure Proof_Display;
wenzelm
parents: 33386
diff changeset
   955
      else if int then priority (Proof_Display.string_of_rule ctxt "Successful" th)
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   956
      else ();
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   957
    val test_proof =
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   958
      try (local_skip_proof true)
28289
efd53393412b show: non-critical testing;
wenzelm
parents: 28278
diff changeset
   959
      |> setmp_noncritical testing true
23963
c2ee97a963db moved exception capture/release to structure Exn;
wenzelm
parents: 23806
diff changeset
   960
      |> Exn.capture;
6896
4bdc3600ddae close_block: transfer_used_names;
wenzelm
parents: 6891
diff changeset
   961
18124
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
   962
    fun after_qed' results =
19482
9f11af8f7ef9 tuned basic list operators (flat, maps, map_filter);
wenzelm
parents: 19475
diff changeset
   963
      refine_goals print_rule (context_of state) (flat results)
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   964
      #> check_result "Failed to refine any pending goal"
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   965
      #> after_qed results;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   966
  in
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   967
    state
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   968
    |> local_goal print_results prep_att prepp "show" before_qed after_qed' stmt
21565
bd28361f4c5b simplified '?' operator;
wenzelm
parents: 21466
diff changeset
   969
    |> int ? (fn goal_state =>
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   970
      (case test_proof goal_state of
23963
c2ee97a963db moved exception capture/release to structure Exn;
wenzelm
parents: 23806
diff changeset
   971
        Exn.Result (SOME _) => goal_state
c2ee97a963db moved exception capture/release to structure Exn;
wenzelm
parents: 23806
diff changeset
   972
      | Exn.Result NONE => error (fail_msg (context_of goal_state))
28443
de653f1ad78b more robust treatment of Interrupt (cf. exn.ML);
wenzelm
parents: 28437
diff changeset
   973
      | Exn.Exn Exn.Interrupt => raise Exn.Interrupt
28458
0966ac3f4a40 simplified Exn.EXCEPTIONS;
wenzelm
parents: 28452
diff changeset
   974
      | Exn.Exn exn => raise Exn.EXCEPTIONS ([exn, ERROR (fail_msg (context_of goal_state))])))
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   975
  end;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   976
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   977
in
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   978
18728
6790126ab5f6 simplified type attribute;
wenzelm
parents: 18678
diff changeset
   979
val have = gen_have Attrib.attribute ProofContext.bind_propp;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   980
val have_i = gen_have (K I) ProofContext.bind_propp_i;
18728
6790126ab5f6 simplified type attribute;
wenzelm
parents: 18678
diff changeset
   981
val show = gen_show Attrib.attribute ProofContext.bind_propp;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   982
val show_i = gen_show (K I) ProofContext.bind_propp_i;
6896
4bdc3600ddae close_block: transfer_used_names;
wenzelm
parents: 6891
diff changeset
   983
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   984
end;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   985
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   986
29385
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
   987
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
   988
(** future proofs **)
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
   989
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
   990
(* relevant proof states *)
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
   991
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
   992
fun is_schematic t =
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
   993
  Term.exists_subterm Term.is_Var t orelse
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
   994
  Term.exists_type (Term.exists_subtype Term.is_TVar) t;
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
   995
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
   996
fun schematic_goal state =
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
   997
  let val (_, (_, {statement = (_, _, prop), ...})) = find_goal state
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
   998
  in is_schematic prop end;
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
   999
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1000
fun is_relevant state =
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1001
  (case try find_goal state of
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1002
    NONE => true
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1003
  | SOME (_, (_, {statement = (_, _, prop), goal, ...})) =>
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1004
      is_schematic prop orelse not (Logic.protect prop aconv Thm.concl_of goal));
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1005
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1006
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1007
(* full proofs *)
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
  1008
29346
fe6843aa4f5f more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents: 29090
diff changeset
  1009
local
fe6843aa4f5f more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents: 29090
diff changeset
  1010
29385
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1011
fun future_proof done get_context fork_proof state =
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
  1012
  let
29381
45d77aeb1608 future_terminal_proof: no fork for interactive mode, assert_backward;
wenzelm
parents: 29364
diff changeset
  1013
    val _ = assert_backward state;
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
  1014
    val (goal_ctxt, (_, goal)) = find_goal state;
32786
f1ac4b515af9 eliminated dead code;
wenzelm
parents: 32771
diff changeset
  1015
    val {statement as (kind, _, prop), messages, using, goal, before_qed, after_qed} = goal;
32062
457f5bcd3d76 Proof.future_proof: declare all assumptions as well;
wenzelm
parents: 32061
diff changeset
  1016
    val goal_txt = prop :: map Thm.term_of (Assumption.all_assms_of goal_ctxt);
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
  1017
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
  1018
    val _ = is_relevant state andalso error "Cannot fork relevant proof";
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
  1019
29346
fe6843aa4f5f more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents: 29090
diff changeset
  1020
    val prop' = Logic.protect prop;
fe6843aa4f5f more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents: 29090
diff changeset
  1021
    val statement' = (kind, [[], [prop']], prop');
fe6843aa4f5f more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents: 29090
diff changeset
  1022
    val goal' = Thm.adjust_maxidx_thm (Thm.maxidx_of goal)
fe6843aa4f5f more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents: 29090
diff changeset
  1023
      (Drule.comp_no_flatten (goal, Thm.nprems_of goal) 1 Drule.protectI);
29385
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1024
33386
ff29d1549aca modernized structure AutoBind;
wenzelm
parents: 33368
diff changeset
  1025
    fun after_local' [[th]] = put_thms false (Auto_Bind.thisN, SOME [th]);
ff29d1549aca modernized structure AutoBind;
wenzelm
parents: 33368
diff changeset
  1026
    fun after_global' [[th]] = ProofContext.put_thms false (Auto_Bind.thisN, SOME [th]);
29385
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1027
    val after_qed' = (after_local', after_global');
33386
ff29d1549aca modernized structure AutoBind;
wenzelm
parents: 33368
diff changeset
  1028
    val this_name = ProofContext.full_name goal_ctxt (Binding.name Auto_Bind.thisN);
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
  1029
28973
c549650d1442 future proofs: pass actual futures to facilitate composite computations;
wenzelm
parents: 28627
diff changeset
  1030
    val result_ctxt =
c549650d1442 future proofs: pass actual futures to facilitate composite computations;
wenzelm
parents: 28627
diff changeset
  1031
      state
32062
457f5bcd3d76 Proof.future_proof: declare all assumptions as well;
wenzelm
parents: 32061
diff changeset
  1032
      |> map_contexts (fold Variable.declare_term goal_txt)
29385
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1033
      |> map_goal I (K (statement', messages, using, goal', before_qed, after_qed'))
29346
fe6843aa4f5f more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents: 29090
diff changeset
  1034
      |> fork_proof;
28973
c549650d1442 future proofs: pass actual futures to facilitate composite computations;
wenzelm
parents: 28627
diff changeset
  1035
29385
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1036
    val future_thm = result_ctxt |> Future.map (fn (_, x) =>
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1037
      ProofContext.get_fact_single (get_context x) (Facts.named this_name));
32062
457f5bcd3d76 Proof.future_proof: declare all assumptions as well;
wenzelm
parents: 32061
diff changeset
  1038
    val finished_goal = Goal.future_result goal_ctxt future_thm prop';
28973
c549650d1442 future proofs: pass actual futures to facilitate composite computations;
wenzelm
parents: 28627
diff changeset
  1039
    val state' =
c549650d1442 future proofs: pass actual futures to facilitate composite computations;
wenzelm
parents: 28627
diff changeset
  1040
      state
c549650d1442 future proofs: pass actual futures to facilitate composite computations;
wenzelm
parents: 28627
diff changeset
  1041
      |> map_goal I (K (statement, messages, using, finished_goal, NONE, after_qed))
29385
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1042
      |> done;
28973
c549650d1442 future proofs: pass actual futures to facilitate composite computations;
wenzelm
parents: 28627
diff changeset
  1043
  in (Future.map #1 result_ctxt, state') end;
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
  1044
29385
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1045
in
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1046
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1047
fun local_future_proof x = future_proof local_done_proof context_of x;
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1048
fun global_future_proof x = future_proof global_done_proof I x;
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1049
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1050
end;
29346
fe6843aa4f5f more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents: 29090
diff changeset
  1051
29385
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1052
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1053
(* terminal proofs *)
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1054
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1055
local
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1056
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1057
fun future_terminal_proof proof1 proof2 meths int state =
32061
11f8ee55662d parallel_proofs: more fine-grained control with optional parallel checking of nested Isar proofs;
wenzelm
parents: 32058
diff changeset
  1058
  if int orelse is_relevant state orelse not (Goal.local_future_enabled ())
29385
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1059
  then proof1 meths state
32062
457f5bcd3d76 Proof.future_proof: declare all assumptions as well;
wenzelm
parents: 32061
diff changeset
  1060
  else snd (proof2 (fn state' => Future.fork_pri ~1 (fn () => ((), proof1 meths state'))) state);
29385
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1061
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1062
in
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1063
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1064
fun local_future_terminal_proof x =
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1065
  future_terminal_proof local_terminal_proof local_future_proof x;
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1066
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1067
fun global_future_terminal_proof x =
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1068
  future_terminal_proof global_terminal_proof global_future_proof x;
29350
c7735554d291 added future_terminal_proof;
wenzelm
parents: 29346
diff changeset
  1069
29346
fe6843aa4f5f more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents: 29090
diff changeset
  1070
end;
fe6843aa4f5f more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents: 29090
diff changeset
  1071
29385
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1072
end;
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1073