src/Pure/Isar/proof.ML
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Thu, 30 Aug 2012 21:50:49 +0200
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register proofs of Isar goals, to enable recovery from unstable command states after interactive cancellation;
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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_context_result : (context -> 'a * context) -> state -> 'a * state
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  val map_contexts: (context -> context) -> state -> state
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  val propagate_ml_env: 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 begin_proofs: state -> state
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  val register_proofs: thm list -> state -> state
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  val join_recent_proofs: state -> unit
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  val the_facts: state -> thm list
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  val the_fact: state -> thm
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  val set_facts: thm list -> state -> state
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  val reset_facts: 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 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 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 status_markup: state -> Markup.T
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  val let_bind: (term list * term) list -> state -> state
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  val let_bind_cmd: (string list * string) list -> state -> state
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  val write: Syntax.mode -> (term * mixfix) list -> state -> state
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  val write_cmd: Syntax.mode -> (string * mixfix) list -> state -> state
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  val fix: (binding * typ option * mixfix) list -> state -> state
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  val fix_cmd: (binding * string option * mixfix) list -> state -> state
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  val assm: Assumption.export ->
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    (Thm.binding * (term * term list) list) list -> state -> state
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  val assm_cmd: Assumption.export ->
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    (Attrib.binding * (string * string list) list) list -> state -> state
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  val assume: (Thm.binding * (term * term list) list) list -> state -> state
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  val assume_cmd: (Attrib.binding * (string * string list) list) list -> state -> state
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  val presume: (Thm.binding * (term * term list) list) list -> state -> state
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  val presume_cmd: (Attrib.binding * (string * string list) list) list -> state -> state
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  val def: (Thm.binding * ((binding * mixfix) * (term * term list))) list -> state -> state
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  val def_cmd: (Attrib.binding * ((binding * mixfix) * (string * string 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 note_thmss: (Thm.binding * (thm list * attribute list) list) list -> state -> state
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  val note_thmss_cmd: (Attrib.binding * (Facts.ref * Attrib.src list) list) list -> state -> state
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  val from_thmss: ((thm list * attribute list) list) list -> state -> state
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  val from_thmss_cmd: ((Facts.ref * Attrib.src list) list) list -> state -> state
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  val with_thmss: ((thm list * attribute list) list) list -> state -> state
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  val with_thmss_cmd: ((Facts.ref * Attrib.src list) list) list -> state -> state
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  val using: ((thm list * attribute list) list) list -> state -> state
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  val using_cmd: ((Facts.ref * Attrib.src list) list) list -> state -> state
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  val unfolding: ((thm list * attribute list) list) list -> state -> state
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  val unfolding_cmd: ((Facts.ref * Attrib.src list) list) list -> state -> state
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  val invoke_case: string * binding option list * attribute list -> state -> state
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  val invoke_case_cmd: string * binding option list * Attrib.src 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 begin_notepad: Proof.context -> state
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  val end_notepad: state -> Proof.context
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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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    (Proof.context -> 'a -> attribute) ->
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    ('b list -> context -> (term list list * (context -> 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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    (term * term list) list list -> context -> state
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  val theorem_cmd: Method.text option -> (thm list list -> context -> context) ->
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    (string * string 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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    (Thm.binding * (term * term list) list) list -> bool -> state -> state
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  val have_cmd: 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: 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_cmd: 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 schematic_goal: state -> bool
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  val local_future_proof: (state -> ('a * state) future) -> state -> 'a future * state
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  val global_future_proof: (state -> ('a * Proof.context) future) -> state -> 'a 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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  Proof_Context.set_stmt true #>
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  Proof_Context.map_naming (K Name_Space.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 top (State st) = Stack.top st |> (fn Node node => node);
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fun bottom (State st) = Stack.bottom st |> (fn Node node => node);
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fun map_top f (State st) = State (Stack.map_top (map_node f) st);
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fun map_bottom f (State st) = State (Stack.map_bottom (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 List.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 top;
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val theory_of = Proof_Context.theory_of o context_of;
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fun map_node_context f =
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  map_node (fn (ctxt, facts, mode, goal) => (f ctxt, facts, mode, goal));
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fun map_context f =
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  map_top (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_context_bottom f =
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  map_bottom (fn (ctxt, facts, mode, goal) => (f ctxt, facts, mode, goal));
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fun map_contexts f = map_all (fn (ctxt, facts, mode, goal) => (f ctxt, facts, mode, goal));
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fun propagate_ml_env state = map_contexts
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  (Context.proof_map (ML_Env.inherit (Context.Proof (context_of state)))) state;
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val bind_terms = map_context o Proof_Context.bind_terms;
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val put_thms = map_context oo Proof_Context.put_thms;
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(* forked proofs *)
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val begin_proofs = map_context_bottom (Context.proof_map Thm.begin_proofs);
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val register_proofs = map_context_bottom o Context.proof_map o Thm.register_proofs;
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val join_recent_proofs = Thm.join_local_proofs o #context o bottom;
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(* facts *)
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val get_facts = #facts o top;
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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_top (fn (ctxt, _, mode, goal) => (ctxt, facts, mode, goal)) #>
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  put_thms true (Auto_Bind.thisN, facts);
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val set_facts = put_facts o SOME;
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val reset_facts = put_facts NONE;
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fun these_factss more_facts (named_factss, state) =
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  (named_factss, state |> set_facts (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 => reset_facts outer
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  | SOME thms =>
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      thms
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      |> Proof_Context.export (context_of inner) (context_of outer)
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      |> (fn ths => set_facts ths outer));
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(* mode *)
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val get_mode = #mode o top;
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fun put_mode mode = map_top (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 top 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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   303
  end;
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55f1e6b639a4 added the_fact, level;
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   304
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   305
fun put_goal goal = map_top (fn (ctxt, using, mode, _) => (ctxt, using, mode, goal));
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   307
val set_goal = put_goal o SOME;
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   308
val reset_goal = put_goal NONE;
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   309
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val before_qed = #before_qed o #2 o current_goal;
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   312
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   313
(* nested goal *)
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   315
fun map_goal f g h (State (Node {context, facts, mode, goal = SOME goal}, node :: nodes)) =
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   316
      let
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   317
        val Goal {statement, messages, using, goal, before_qed, after_qed} = goal;
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   318
        val goal' = make_goal (g (statement, messages, using, goal, before_qed, after_qed));
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   319
        val node' = map_node_context h node;
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   320
      in State (make_node (f context, facts, mode, SOME goal'), node' :: nodes) end
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   321
  | map_goal f g h (State (nd, node :: nodes)) =
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   322
      let
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   323
        val nd' = map_node_context f nd;
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   324
        val State (node', nodes') = map_goal f g h (State (node, nodes));
d9dd4a9f18fc more precise declaration of goal_tfrees in forked proof state;
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   325
      in State (nd', node' :: nodes') end
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   326
  | map_goal _ _ _ state = state;
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   328
fun provide_goal goal = map_goal I (fn (statement, _, using, _, before_qed, after_qed) =>
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   329
  (statement, [], using, goal, before_qed, after_qed)) I;
19188
a4c82a9ff7d8 method: SelectGoals;
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   330
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e2332d1ff6c7 added goal_message;
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   331
fun goal_message msg = map_goal I (fn (statement, messages, using, goal, before_qed, after_qed) =>
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diff changeset
   332
  (statement, msg :: messages, using, goal, before_qed, after_qed)) I;
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e2332d1ff6c7 added goal_message;
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   333
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22ac3c8d78a5 reset goal messages after goal update;
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   334
fun using_facts using = map_goal I (fn (statement, _, _, goal, before_qed, after_qed) =>
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   335
  (statement, [], using, goal, before_qed, after_qed)) I;
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   336
543735c6f424 major cleanup of interfaces and implementation;
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   337
local
543735c6f424 major cleanup of interfaces and implementation;
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   338
  fun find i state =
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   339
    (case try current_goal state of
543735c6f424 major cleanup of interfaces and implementation;
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   340
      SOME (ctxt, goal) => (ctxt, (i, goal))
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dd0c569fa43d sane ERROR handling;
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   341
    | NONE => find (i + 1) (close_block state handle ERROR _ => error "No goal present"));
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   342
in val find_goal = find 0 end;
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   343
543735c6f424 major cleanup of interfaces and implementation;
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   344
fun get_goal state =
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   345
  let val (ctxt, (_, {using, goal, ...})) = find_goal state
543735c6f424 major cleanup of interfaces and implementation;
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   346
  in (ctxt, (using, goal)) end;
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   347
ff3c82b47603 Proof states and methods.
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   348
ff3c82b47603 Proof states and methods.
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   349
12423
7fd447422dee tuned print_state interfaces;
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   350
(** pretty_state **)
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   351
15531
08c8dad8e399 Deleted Library.option type.
skalberg
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   352
fun pretty_facts _ _ NONE = []
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
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   353
  | 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.;
wenzelm
parents: 32089
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   354
      [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
   355
17359
543735c6f424 major cleanup of interfaces and implementation;
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   356
fun pretty_state nr state =
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ff3c82b47603 Proof states and methods.
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parents:
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   357
  let
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9c68e43502ce some support for registering forked proofs within Proof.state, using its bottom context;
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parents: 47815
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   358
    val {context = ctxt, facts, mode, goal = _} = top state;
42717
0bbb56867091 proper configuration options Proof_Context.debug and Proof_Context.verbose;
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parents: 42496
diff changeset
   359
    val verbose = Config.get ctxt Proof_Context.verbose;
5820
ff3c82b47603 Proof states and methods.
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parents:
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   360
ff3c82b47603 Proof states and methods.
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parents:
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   361
    fun levels_up 0 = ""
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   362
      | levels_up 1 = "1 level up"
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   363
      | levels_up i = string_of_int i ^ " levels up";
5820
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parents:
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   364
11556
8e0768929662 print_state: subgoals;
wenzelm
parents: 11549
diff changeset
   365
    fun subgoals 0 = ""
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   366
      | subgoals 1 = "1 subgoal"
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   367
      | subgoals n = string_of_int n ^ " subgoals";
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diff changeset
   368
543735c6f424 major cleanup of interfaces and implementation;
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parents: 17203
diff changeset
   369
    fun description strs =
28375
c879d88d038a eliminated polymorphic equality;
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parents: 28289
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   370
      (case filter_out (fn s => s = "") strs of [] => ""
17359
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parents: 17203
diff changeset
   371
      | strs' => enclose " (" ")" (commas strs'));
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8e02a45f77e2 added multi_theorem(_i);
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parents: 12096
diff changeset
   372
39051
45facd8f358e Proof.pretty_state: print everything in the foreground context to give users a chance to configure options, e.g. via "using [[show_consts]]";
wenzelm
parents: 38721
diff changeset
   373
    fun prt_goal (SOME (_, (i,
29416
wenzelm
parents: 29396
diff changeset
   374
      {statement = ((_, pos), _, _), messages, using, goal, before_qed = _, after_qed = _}))) =
17359
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parents: 17203
diff changeset
   375
          pretty_facts "using " ctxt
543735c6f424 major cleanup of interfaces and implementation;
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parents: 17203
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   376
            (if mode <> Backward orelse null using then NONE else SOME using) @
21442
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   377
          [Pretty.str ("goal" ^
56e54a2afe69 simplified theorem(_i);
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parents: 21362
diff changeset
   378
            description [levels_up (i div 2), subgoals (Thm.nprems_of goal)] ^ ":")] @
39125
f45d332a90e3 pretty_goals: turned some global references and function arguments into configuration options (goals_limit = 10, goals_total = true, show_main_goal = false) depending on the context;
wenzelm
parents: 39051
diff changeset
   379
          Goal_Display.pretty_goals ctxt goal @
25958
bcedde463850 statement: keep explicit position;
wenzelm
parents: 25227
diff changeset
   380
          (map (fn msg => Position.setmp_thread_data pos msg ()) (rev messages))
17359
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parents: 17203
diff changeset
   381
      | prt_goal NONE = [];
6848
3d82756e1af5 tuned print_state;
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parents: 6798
diff changeset
   382
17359
543735c6f424 major cleanup of interfaces and implementation;
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parents: 17203
diff changeset
   383
    val prt_ctxt =
42717
0bbb56867091 proper configuration options Proof_Context.debug and Proof_Context.verbose;
wenzelm
parents: 42496
diff changeset
   384
      if verbose orelse mode = Forward then Proof_Context.pretty_context ctxt
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42287
diff changeset
   385
      else if mode = Backward then Proof_Context.pretty_ctxt ctxt
7575
e1e2d07287d8 improved output;
wenzelm
parents: 7556
diff changeset
   386
      else [];
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   387
  in
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   388
    [Pretty.str ("proof (" ^ mode_name mode ^ "): step " ^ string_of_int nr ^
42717
0bbb56867091 proper configuration options Proof_Context.debug and Proof_Context.verbose;
wenzelm
parents: 42496
diff changeset
   389
      (if verbose then ", depth " ^ string_of_int (level state div 2 - 1) else "")),
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   390
      Pretty.str ""] @
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   391
    (if null prt_ctxt then [] else prt_ctxt @ [Pretty.str ""]) @
42717
0bbb56867091 proper configuration options Proof_Context.debug and Proof_Context.verbose;
wenzelm
parents: 42496
diff changeset
   392
    (if verbose orelse mode = Forward then
39051
45facd8f358e Proof.pretty_state: print everything in the foreground context to give users a chance to configure options, e.g. via "using [[show_consts]]";
wenzelm
parents: 38721
diff changeset
   393
       pretty_facts "" ctxt facts @ prt_goal (try find_goal state)
45facd8f358e Proof.pretty_state: print everything in the foreground context to give users a chance to configure options, e.g. via "using [[show_consts]]";
wenzelm
parents: 38721
diff changeset
   394
     else if mode = Chain then pretty_facts "picking " ctxt facts
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   395
     else prt_goal (try find_goal state))
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   396
  end;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   397
12085
235576bea937 pretty_goals_local: observes context syntax;
wenzelm
parents: 12065
diff changeset
   398
fun pretty_goals main state =
39125
f45d332a90e3 pretty_goals: turned some global references and function arguments into configuration options (goals_limit = 10, goals_total = true, show_main_goal = false) depending on the context;
wenzelm
parents: 39051
diff changeset
   399
  let
39129
976af4e27cde recovered options for goal antiquotations from f45d332a90e3: actually pass context to Proof.pretty_goals (see also 45facd8f358e);
wenzelm
parents: 39125
diff changeset
   400
    val (_, (_, goal)) = get_goal state;
976af4e27cde recovered options for goal antiquotations from f45d332a90e3: actually pass context to Proof.pretty_goals (see also 45facd8f358e);
wenzelm
parents: 39125
diff changeset
   401
    val ctxt = context_of state
39125
f45d332a90e3 pretty_goals: turned some global references and function arguments into configuration options (goals_limit = 10, goals_total = true, show_main_goal = false) depending on the context;
wenzelm
parents: 39051
diff changeset
   402
      |> Config.put Goal_Display.show_main_goal main
f45d332a90e3 pretty_goals: turned some global references and function arguments into configuration options (goals_limit = 10, goals_total = true, show_main_goal = false) depending on the context;
wenzelm
parents: 39051
diff changeset
   403
      |> Config.put Goal_Display.goals_total false;
39129
976af4e27cde recovered options for goal antiquotations from f45d332a90e3: actually pass context to Proof.pretty_goals (see also 45facd8f358e);
wenzelm
parents: 39125
diff changeset
   404
  in Goal_Display.pretty_goals ctxt goal end;
10320
26d4b84eb047 added pretty_goals;
wenzelm
parents: 9482
diff changeset
   405
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   406
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   407
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   408
(** proof steps **)
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   409
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   410
(* refine via method *)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   411
8234
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   412
local
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   413
16146
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   414
fun goalN i = "goal" ^ string_of_int i;
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   415
fun goals st = map goalN (1 upto Thm.nprems_of st);
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   416
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   417
fun no_goal_cases st = map (rpair NONE) (goals st);
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   418
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   419
fun goal_cases st =
47815
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   420
  Rule_Cases.make_common
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   421
    (Thm.theory_of_thm st, Thm.prop_of st) (map (rpair [] o rpair []) (goals st));
16146
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   422
32193
c314b4836031 basic method application: avoid Position.setmp_thread_data_seq, which destroys transaction context;
wenzelm
parents: 32187
diff changeset
   423
fun apply_method current_context meth state =
6848
3d82756e1af5 tuned print_state;
wenzelm
parents: 6798
diff changeset
   424
  let
24556
22ac3c8d78a5 reset goal messages after goal update;
wenzelm
parents: 24550
diff changeset
   425
    val (goal_ctxt, (_, {statement, messages = _, using, goal, before_qed, after_qed})) =
24543
e2332d1ff6c7 added goal_message;
wenzelm
parents: 24050
diff changeset
   426
      find_goal state;
25958
bcedde463850 statement: keep explicit position;
wenzelm
parents: 25227
diff changeset
   427
    val ctxt = if current_context then context_of state else goal_ctxt;
16146
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   428
  in
32193
c314b4836031 basic method application: avoid Position.setmp_thread_data_seq, which destroys transaction context;
wenzelm
parents: 32187
diff changeset
   429
    Method.apply meth ctxt using goal |> Seq.map (fn (meth_cases, goal') =>
6848
3d82756e1af5 tuned print_state;
wenzelm
parents: 6798
diff changeset
   430
      state
16146
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   431
      |> map_goal
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42287
diff changeset
   432
          (Proof_Context.add_cases false (no_goal_cases goal @ goal_cases goal') #>
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42287
diff changeset
   433
           Proof_Context.add_cases true meth_cases)
47431
d9dd4a9f18fc more precise declaration of goal_tfrees in forked proof state;
wenzelm
parents: 47416
diff changeset
   434
          (K (statement, [], using, goal', before_qed, after_qed)) I)
16146
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   435
  end;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   436
19188
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   437
fun select_goals n meth state =
19224
a32d9dbe9551 select_goals: split original conjunctions;
wenzelm
parents: 19188
diff changeset
   438
  state
a32d9dbe9551 select_goals: split original conjunctions;
wenzelm
parents: 19188
diff changeset
   439
  |> (#2 o #2 o get_goal)
21687
f689f729afab reorganized structure Goal vs. Tactic;
wenzelm
parents: 21666
diff changeset
   440
  |> ALLGOALS Goal.conjunction_tac
19224
a32d9dbe9551 select_goals: split original conjunctions;
wenzelm
parents: 19188
diff changeset
   441
  |> Seq.maps (fn goal =>
19188
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   442
    state
47068
2027ff3136cc tuned signature;
wenzelm
parents: 47065
diff changeset
   443
    |> Seq.lift provide_goal (Goal.extract 1 n goal |> Seq.maps (Goal.conjunction_tac 1))
19188
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   444
    |> Seq.maps meth
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   445
    |> Seq.maps (fn state' => state'
47068
2027ff3136cc tuned signature;
wenzelm
parents: 47065
diff changeset
   446
      |> Seq.lift provide_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
   447
    |> Seq.maps (apply_method true (K Method.succeed)));
19188
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   448
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   449
fun apply_text cc text state =
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   450
  let
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   451
    val thy = theory_of state;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   452
32193
c314b4836031 basic method application: avoid Position.setmp_thread_data_seq, which destroys transaction context;
wenzelm
parents: 32187
diff changeset
   453
    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
   454
      | 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
   455
      | eval (Method.Source_i src) = apply_method cc (Method.method_i thy src)
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   456
      | eval (Method.Then txts) = Seq.EVERY (map eval txts)
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   457
      | eval (Method.Orelse txts) = Seq.FIRST (map eval txts)
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   458
      | eval (Method.Try txt) = Seq.TRY (eval txt)
19188
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   459
      | eval (Method.Repeat1 txt) = Seq.REPEAT1 (eval txt)
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   460
      | eval (Method.SelectGoals (n, txt)) = select_goals n (eval txt);
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   461
  in eval text state end;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   462
8234
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   463
in
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   464
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   465
val refine = apply_text true;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   466
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
   467
fun refine_insert ths = Seq.hd o refine (Method.Basic (K (Method.insert ths)));
18908
fb080097e436 added refine_insert;
wenzelm
parents: 18878
diff changeset
   468
8234
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   469
end;
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   470
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   471
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   472
(* refine via sub-proof *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   473
46466
61c7214b4885 tuned signature, according to actual usage of these operations;
wenzelm
parents: 45666
diff changeset
   474
local
61c7214b4885 tuned signature, according to actual usage of these operations;
wenzelm
parents: 45666
diff changeset
   475
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
   476
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
   477
  | 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
   478
      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
   479
      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
   480
        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
   481
          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
   482
        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
   483
20208
90e551baac6a export goal_tac (was internal refine_tac);
wenzelm
parents: 20031
diff changeset
   484
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
   485
  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
   486
  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
   487
  finish_tac (Thm.nprems_of rule);
11816
545aab7410ac simplified exporter interface;
wenzelm
parents: 11793
diff changeset
   488
46466
61c7214b4885 tuned signature, according to actual usage of these operations;
wenzelm
parents: 45666
diff changeset
   489
fun FINDGOAL tac st =
61c7214b4885 tuned signature, according to actual usage of these operations;
wenzelm
parents: 45666
diff changeset
   490
  let fun find i n = if i > n then Seq.fail else Seq.APPEND (tac i, find (i + 1) n)
61c7214b4885 tuned signature, according to actual usage of these operations;
wenzelm
parents: 45666
diff changeset
   491
  in find 1 (Thm.nprems_of st) st end;
61c7214b4885 tuned signature, according to actual usage of these operations;
wenzelm
parents: 45666
diff changeset
   492
61c7214b4885 tuned signature, according to actual usage of these operations;
wenzelm
parents: 45666
diff changeset
   493
in
61c7214b4885 tuned signature, according to actual usage of these operations;
wenzelm
parents: 45666
diff changeset
   494
19915
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   495
fun refine_goals print_rule inner raw_rules state =
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   496
  let
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   497
    val (outer, (_, goal)) = get_goal state;
20208
90e551baac6a export goal_tac (was internal refine_tac);
wenzelm
parents: 20031
diff changeset
   498
    fun refine rule st = (print_rule outer rule; FINDGOAL (goal_tac rule) st);
19915
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   499
  in
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   500
    raw_rules
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42287
diff changeset
   501
    |> Proof_Context.goal_export inner outer
47068
2027ff3136cc tuned signature;
wenzelm
parents: 47065
diff changeset
   502
    |> (fn rules => Seq.lift provide_goal (EVERY (map refine rules) goal) state)
19915
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   503
  end;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   504
46466
61c7214b4885 tuned signature, according to actual usage of these operations;
wenzelm
parents: 45666
diff changeset
   505
end;
61c7214b4885 tuned signature, according to actual usage of these operations;
wenzelm
parents: 45666
diff changeset
   506
6932
77c14313af51 propp: 'concl' patterns;
wenzelm
parents: 6896
diff changeset
   507
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   508
(* conclude_goal *)
6932
77c14313af51 propp: 'concl' patterns;
wenzelm
parents: 6896
diff changeset
   509
28627
63663cfa297c conclude_goal: precise goal context, include all sorts from context into statement, check shyps of result;
wenzelm
parents: 28458
diff changeset
   510
fun conclude_goal ctxt goal propss =
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   511
  let
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42287
diff changeset
   512
    val thy = Proof_Context.theory_of ctxt;
24920
2a45e400fdad generic Syntax.pretty/string_of operations;
wenzelm
parents: 24794
diff changeset
   513
    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
   514
    val string_of_thm = Display.string_of_thm ctxt;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   515
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   516
    val ngoals = Thm.nprems_of goal;
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   517
    val _ = ngoals = 0 orelse error (Pretty.string_of (Pretty.chunks
39125
f45d332a90e3 pretty_goals: turned some global references and function arguments into configuration options (goals_limit = 10, goals_total = true, show_main_goal = false) depending on the context;
wenzelm
parents: 39051
diff changeset
   518
      (Goal_Display.pretty_goals ctxt goal @
47065
cce369d41d50 tuned messages;
wenzelm
parents: 47060
diff changeset
   519
        [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
   520
9c40a144ee0e moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents: 20208
diff changeset
   521
    val extra_hyps = Assumption.extra_hyps ctxt goal;
9c40a144ee0e moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents: 20208
diff changeset
   522
    val _ = null extra_hyps orelse
9c40a144ee0e moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents: 20208
diff changeset
   523
      error ("Additional hypotheses:\n" ^ cat_lines (map string_of_term extra_hyps));
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   524
23418
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   525
    fun lost_structure () = error ("Lost goal structure:\n" ^ string_of_thm goal);
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   526
23782
4dd0ba632e40 Proof terms for meta-conjunctions are now normalized before
berghofe
parents: 23639
diff changeset
   527
    val th = Goal.conclude
23806
wenzelm
parents: 23782
diff changeset
   528
      (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
   529
      handle THM _ => lost_structure ();
23418
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   530
    val goal_propss = filter_out null propss;
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   531
    val results =
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   532
      Conjunction.elim_balanced (length goal_propss) th
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   533
      |> map2 Conjunction.elim_balanced (map length goal_propss)
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   534
      handle THM _ => lost_structure ();
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   535
    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
   536
      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
   537
    val _ = Thm.check_shyps (Variable.sorts_of ctxt) th;
23418
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   538
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   539
    fun recover_result ([] :: pss) thss = [] :: recover_result pss thss
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   540
      | recover_result (_ :: pss) (ths :: thss) = ths :: recover_result pss thss
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   541
      | recover_result [] [] = []
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   542
      | recover_result _ _ = lost_structure ();
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   543
  in recover_result propss results end;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   544
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   545
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
   546
(* 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
   547
bd3f30da7bc1 replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents: 33165
diff changeset
   548
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
   549
  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
   550
  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
   551
bd3f30da7bc1 replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents: 33165
diff changeset
   552
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
   553
bd3f30da7bc1 replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents: 33165
diff changeset
   554
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
   555
  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
   556
    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
   557
    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
   558
  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
   559
38721
ca8b14fa0d0d added some proof state markup, notably number of subgoals (e.g. for indentation);
wenzelm
parents: 38333
diff changeset
   560
fun status_markup state =
ca8b14fa0d0d added some proof state markup, notably number of subgoals (e.g. for indentation);
wenzelm
parents: 38333
diff changeset
   561
  (case try goal state of
45666
d83797ef0d2d separate module for concrete Isabelle markup;
wenzelm
parents: 45597
diff changeset
   562
    SOME {goal, ...} => Isabelle_Markup.proof_state (Thm.nprems_of goal)
38721
ca8b14fa0d0d added some proof state markup, notably number of subgoals (e.g. for indentation);
wenzelm
parents: 38333
diff changeset
   563
  | NONE => Markup.empty);
ca8b14fa0d0d added some proof state markup, notably number of subgoals (e.g. for indentation);
wenzelm
parents: 38333
diff changeset
   564
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
   565
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   566
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   567
(*** structured proof commands ***)
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   568
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   569
(** context elements **)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   570
36324
7cd5057a5bb8 removed obsolete/unused Proof.match_bind;
wenzelm
parents: 36323
diff changeset
   571
(* let bindings *)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   572
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   573
local
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   574
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   575
fun gen_bind bind args state =
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   576
  state
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   577
  |> assert_forward
36324
7cd5057a5bb8 removed obsolete/unused Proof.match_bind;
wenzelm
parents: 36323
diff changeset
   578
  |> map_context (bind true args #> snd)
47068
2027ff3136cc tuned signature;
wenzelm
parents: 47065
diff changeset
   579
  |> reset_facts;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   580
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   581
in
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   582
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42287
diff changeset
   583
val let_bind = gen_bind Proof_Context.match_bind_i;
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42287
diff changeset
   584
val let_bind_cmd = gen_bind Proof_Context.match_bind;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   585
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   586
end;
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   587
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   588
36505
79c1d2bbe5a9 ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents: 36354
diff changeset
   589
(* concrete syntax *)
79c1d2bbe5a9 ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents: 36354
diff changeset
   590
79c1d2bbe5a9 ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents: 36354
diff changeset
   591
local
79c1d2bbe5a9 ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents: 36354
diff changeset
   592
36507
c966a1aab860 'write': actually observe the proof structure (like 'let' or 'fix');
wenzelm
parents: 36505
diff changeset
   593
fun gen_write prep_arg mode args =
c966a1aab860 'write': actually observe the proof structure (like 'let' or 'fix');
wenzelm
parents: 36505
diff changeset
   594
  assert_forward
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42287
diff changeset
   595
  #> map_context (fn ctxt => ctxt |> Proof_Context.notation true mode (map (prep_arg ctxt) args))
47068
2027ff3136cc tuned signature;
wenzelm
parents: 47065
diff changeset
   596
  #> reset_facts;
36505
79c1d2bbe5a9 ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents: 36354
diff changeset
   597
79c1d2bbe5a9 ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents: 36354
diff changeset
   598
in
79c1d2bbe5a9 ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents: 36354
diff changeset
   599
79c1d2bbe5a9 ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents: 36354
diff changeset
   600
val write = gen_write (K I);
79c1d2bbe5a9 ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents: 36354
diff changeset
   601
79c1d2bbe5a9 ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents: 36354
diff changeset
   602
val write_cmd =
79c1d2bbe5a9 ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents: 36354
diff changeset
   603
  gen_write (fn ctxt => fn (c, mx) =>
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42287
diff changeset
   604
    (Proof_Context.read_const ctxt false (Mixfix.mixfixT mx) c, mx));
36505
79c1d2bbe5a9 ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents: 36354
diff changeset
   605
79c1d2bbe5a9 ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents: 36354
diff changeset
   606
end;
79c1d2bbe5a9 ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents: 36354
diff changeset
   607
79c1d2bbe5a9 ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents: 36354
diff changeset
   608
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   609
(* fix *)
9196
1f6f66fe777a facts: handle multiple lists of arguments;
wenzelm
parents: 8991
diff changeset
   610
12714
61af28328417 have_thmss vs. have_thmss_i;
wenzelm
parents: 12703
diff changeset
   611
local
61af28328417 have_thmss vs. have_thmss_i;
wenzelm
parents: 12703
diff changeset
   612
30763
6976521b4263 renamed ProofContext.add_fixes_i to ProofContext.add_fixes, eliminated obsolete external version;
wenzelm
parents: 30761
diff changeset
   613
fun gen_fix prep_vars args =
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   614
  assert_forward
45597
ce23193a42a4 uniform cert_vars/read_vars;
wenzelm
parents: 45390
diff changeset
   615
  #> map_context (fn ctxt => snd (Proof_Context.add_fixes (fst (prep_vars args ctxt)) ctxt))
47068
2027ff3136cc tuned signature;
wenzelm
parents: 47065
diff changeset
   616
  #> reset_facts;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   617
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   618
in
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   619
45597
ce23193a42a4 uniform cert_vars/read_vars;
wenzelm
parents: 45390
diff changeset
   620
val fix = gen_fix Proof_Context.cert_vars;
ce23193a42a4 uniform cert_vars/read_vars;
wenzelm
parents: 45390
diff changeset
   621
val fix_cmd = gen_fix Proof_Context.read_vars;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   622
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   623
end;
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   624
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   625
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   626
(* assume etc. *)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   627
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   628
local
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   629
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   630
fun gen_assume asm prep_att exp args state =
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   631
  state
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   632
  |> assert_forward
47815
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   633
  |> map_context_result (asm exp (Attrib.map_specs (map (prep_att (context_of state))) args))
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   634
  |> these_factss [] |> #2;
6932
77c14313af51 propp: 'concl' patterns;
wenzelm
parents: 6896
diff changeset
   635
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   636
in
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   637
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42287
diff changeset
   638
val assm = gen_assume Proof_Context.add_assms_i (K I);
47815
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   639
val assm_cmd = gen_assume Proof_Context.add_assms Attrib.attribute_cmd;
36323
655e2d74de3a modernized naming conventions of main Isar proof elements;
wenzelm
parents: 36322
diff changeset
   640
val assume = assm Assumption.assume_export;
655e2d74de3a modernized naming conventions of main Isar proof elements;
wenzelm
parents: 36322
diff changeset
   641
val assume_cmd = assm_cmd Assumption.assume_export;
655e2d74de3a modernized naming conventions of main Isar proof elements;
wenzelm
parents: 36322
diff changeset
   642
val presume = assm Assumption.presume_export;
655e2d74de3a modernized naming conventions of main Isar proof elements;
wenzelm
parents: 36322
diff changeset
   643
val presume_cmd = assm_cmd Assumption.presume_export;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   644
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   645
end;
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   646
7271
442456b2a8bb assume: multiple args;
wenzelm
parents: 7201
diff changeset
   647
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   648
(* def *)
11891
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   649
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   650
local
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   651
20913
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   652
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
   653
  let
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   654
    val _ = assert_forward state;
20913
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   655
    val (raw_name_atts, (raw_vars, raw_rhss)) = args |> split_list ||> split_list;
47815
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   656
    val name_atts = map (apsnd (map (prep_att (context_of state)))) raw_name_atts;
11891
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   657
  in
20913
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   658
    state
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   659
    |> 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
   660
    |>> map (fn (x, _, mx) => (x, mx))
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   661
    |-> (fn vars =>
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   662
      map_context_result (prep_binds false (map swap raw_rhss))
35624
c4e29a0bb8c1 modernized structure Local_Defs;
wenzelm
parents: 34916
diff changeset
   663
      #-> (fn rhss => map_context_result (Local_Defs.add_defs (vars ~~ (name_atts ~~ rhss)))))
47068
2027ff3136cc tuned signature;
wenzelm
parents: 47065
diff changeset
   664
    |-> (set_facts o map (#2 o #2))
11891
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   665
  end;
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   666
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   667
in
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   668
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42287
diff changeset
   669
val def = gen_def (K I) Proof_Context.cert_vars Proof_Context.match_bind_i;
47815
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   670
val def_cmd = gen_def Attrib.attribute_cmd Proof_Context.read_vars Proof_Context.match_bind;
11891
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   671
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   672
end;
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   673
11891
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   674
8374
ffb2eb084078 generalized FINDGOAL, HEADGOAL;
wenzelm
parents: 8239
diff changeset
   675
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   676
(** facts **)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   677
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   678
(* chain *)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   679
24011
8f2703c02241 chain/using: filter out dummy_thm;
wenzelm
parents: 23963
diff changeset
   680
fun clean_facts ctxt =
47068
2027ff3136cc tuned signature;
wenzelm
parents: 47065
diff changeset
   681
  set_facts (filter_out Thm.is_dummy (the_facts ctxt)) ctxt;
24011
8f2703c02241 chain/using: filter out dummy_thm;
wenzelm
parents: 23963
diff changeset
   682
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   683
val chain =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   684
  assert_forward
24011
8f2703c02241 chain/using: filter out dummy_thm;
wenzelm
parents: 23963
diff changeset
   685
  #> clean_facts
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   686
  #> enter_chain;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   687
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   688
fun chain_facts facts =
47068
2027ff3136cc tuned signature;
wenzelm
parents: 47065
diff changeset
   689
  set_facts facts
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   690
  #> chain;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   691
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   692
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   693
(* note etc. *)
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   694
28965
1de908189869 cleaned up binding module and related code
haftmann
parents: 28627
diff changeset
   695
fun no_binding args = map (pair (Binding.empty, [])) args;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   696
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   697
local
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   698
30760
0fffc66b10d7 simplified references to facts, eliminated external note_thmss;
wenzelm
parents: 30757
diff changeset
   699
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
   700
  state
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   701
  |> assert_forward
47815
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   702
  |> map_context_result (fn ctxt => ctxt |> Proof_Context.note_thmss ""
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   703
    (Attrib.map_facts_refs (map (prep_atts ctxt)) (prep_fact ctxt) args))
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   704
  |> these_factss (more_facts state)
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   705
  ||> opt_chain
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   706
  |> opt_result;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   707
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   708
in
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   709
36323
655e2d74de3a modernized naming conventions of main Isar proof elements;
wenzelm
parents: 36322
diff changeset
   710
val note_thmss = gen_thmss (K []) I #2 (K I) (K I);
47815
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   711
val note_thmss_cmd = gen_thmss (K []) I #2 Attrib.attribute_cmd Proof_Context.get_fact;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   712
36323
655e2d74de3a modernized naming conventions of main Isar proof elements;
wenzelm
parents: 36322
diff changeset
   713
val from_thmss = gen_thmss (K []) chain #2 (K I) (K I) o no_binding;
47815
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   714
val from_thmss_cmd =
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   715
  gen_thmss (K []) chain #2 Attrib.attribute_cmd Proof_Context.get_fact o no_binding;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   716
36323
655e2d74de3a modernized naming conventions of main Isar proof elements;
wenzelm
parents: 36322
diff changeset
   717
val with_thmss = gen_thmss the_facts chain #2 (K I) (K I) o no_binding;
47815
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   718
val with_thmss_cmd =
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   719
  gen_thmss the_facts chain #2 Attrib.attribute_cmd Proof_Context.get_fact o no_binding;
30760
0fffc66b10d7 simplified references to facts, eliminated external note_thmss;
wenzelm
parents: 30757
diff changeset
   720
0fffc66b10d7 simplified references to facts, eliminated external note_thmss;
wenzelm
parents: 30757
diff changeset
   721
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
   722
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   723
end;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   724
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   725
18548
cb8e8fb9e52d added unfolding(_i);
wenzelm
parents: 18503
diff changeset
   726
(* using/unfolding *)
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   727
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   728
local
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   729
45390
e29521ef9059 tuned signature -- avoid spurious Thm.mixed_attribute;
wenzelm
parents: 45327
diff changeset
   730
fun gen_using f g prep_att prep_fact args state =
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   731
  state
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   732
  |> assert_backward
21442
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   733
  |> map_context_result
47815
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   734
    (fn ctxt => ctxt |> Proof_Context.note_thmss ""
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   735
      (Attrib.map_facts_refs (map (prep_att ctxt)) (prep_fact ctxt) (no_binding args)))
18843
23db974a0575 'unfolding': LocalDefs.unfold;
wenzelm
parents: 18826
diff changeset
   736
  |> (fn (named_facts, state') =>
24556
22ac3c8d78a5 reset goal messages after goal update;
wenzelm
parents: 24550
diff changeset
   737
    state' |> map_goal I (fn (statement, _, using, goal, before_qed, after_qed) =>
18843
23db974a0575 'unfolding': LocalDefs.unfold;
wenzelm
parents: 18826
diff changeset
   738
      let
23db974a0575 'unfolding': LocalDefs.unfold;
wenzelm
parents: 18826
diff changeset
   739
        val ctxt = context_of state';
19482
9f11af8f7ef9 tuned basic list operators (flat, maps, map_filter);
wenzelm
parents: 19475
diff changeset
   740
        val ths = maps snd named_facts;
47431
d9dd4a9f18fc more precise declaration of goal_tfrees in forked proof state;
wenzelm
parents: 47416
diff changeset
   741
      in (statement, [], f ctxt ths using, g ctxt ths goal, before_qed, after_qed) end) I);
18548
cb8e8fb9e52d added unfolding(_i);
wenzelm
parents: 18503
diff changeset
   742
24050
248da5f0e735 renamed Drule.is_dummy_thm to Thm.is_dummy;
wenzelm
parents: 24011
diff changeset
   743
fun append_using _ ths using = using @ filter_out Thm.is_dummy ths;
35624
c4e29a0bb8c1 modernized structure Local_Defs;
wenzelm
parents: 34916
diff changeset
   744
fun unfold_using ctxt ths = map (Local_Defs.unfold ctxt ths);
c4e29a0bb8c1 modernized structure Local_Defs;
wenzelm
parents: 34916
diff changeset
   745
val unfold_goals = Local_Defs.unfold_goals;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   746
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   747
in
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   748
36323
655e2d74de3a modernized naming conventions of main Isar proof elements;
wenzelm
parents: 36322
diff changeset
   749
val using = gen_using append_using (K (K I)) (K I) (K I);
47815
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   750
val using_cmd = gen_using append_using (K (K I)) Attrib.attribute_cmd Proof_Context.get_fact;
36323
655e2d74de3a modernized naming conventions of main Isar proof elements;
wenzelm
parents: 36322
diff changeset
   751
val unfolding = gen_using unfold_using unfold_goals (K I) (K I);
47815
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   752
val unfolding_cmd = gen_using unfold_using unfold_goals Attrib.attribute_cmd Proof_Context.get_fact;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   753
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   754
end;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   755
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   756
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   757
(* case *)
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   758
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   759
local
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   760
30419
c944e299eaf9 invoke_case: proper qualification of name binding, avoiding old no_base_names;
wenzelm
parents: 30279
diff changeset
   761
fun qualified_binding a =
c944e299eaf9 invoke_case: proper qualification of name binding, avoiding old no_base_names;
wenzelm
parents: 30279
diff changeset
   762
  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
   763
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   764
fun gen_invoke_case prep_att (name, xs, raw_atts) state =
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   765
  let
47815
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   766
    val atts = map (prep_att (context_of state)) raw_atts;
19078
97971a84f0c7 added put_thms_internal;
wenzelm
parents: 19000
diff changeset
   767
    val (asms, state') = state |> map_context_result (fn ctxt =>
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42287
diff changeset
   768
      ctxt |> Proof_Context.apply_case (Proof_Context.get_case ctxt name xs));
30419
c944e299eaf9 invoke_case: proper qualification of name binding, avoiding old no_base_names;
wenzelm
parents: 30279
diff changeset
   769
    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
   770
  in
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   771
    state'
36323
655e2d74de3a modernized naming conventions of main Isar proof elements;
wenzelm
parents: 36322
diff changeset
   772
    |> assume assumptions
33386
ff29d1549aca modernized structure AutoBind;
wenzelm
parents: 33368
diff changeset
   773
    |> bind_terms Auto_Bind.no_facts
36323
655e2d74de3a modernized naming conventions of main Isar proof elements;
wenzelm
parents: 36322
diff changeset
   774
    |> `the_facts |-> (fn thms => note_thmss [((Binding.name name, []), [(thms, [])])])
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   775
  end;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   776
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   777
in
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   778
36323
655e2d74de3a modernized naming conventions of main Isar proof elements;
wenzelm
parents: 36322
diff changeset
   779
val invoke_case = gen_invoke_case (K I);
47815
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   780
val invoke_case_cmd = gen_invoke_case Attrib.attribute_cmd;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   781
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   782
end;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   783
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   784
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   785
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   786
(** proof structure **)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   787
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   788
(* blocks *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   789
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   790
val begin_block =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   791
  assert_forward
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   792
  #> open_block
47068
2027ff3136cc tuned signature;
wenzelm
parents: 47065
diff changeset
   793
  #> reset_goal
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   794
  #> open_block;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   795
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   796
val next_block =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   797
  assert_forward
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   798
  #> close_block
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   799
  #> open_block
47068
2027ff3136cc tuned signature;
wenzelm
parents: 47065
diff changeset
   800
  #> reset_goal
2027ff3136cc tuned signature;
wenzelm
parents: 47065
diff changeset
   801
  #> reset_facts;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   802
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   803
fun end_block state =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   804
  state
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   805
  |> assert_forward
40960
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   806
  |> assert_bottom false
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   807
  |> close_block
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   808
  |> assert_current_goal false
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   809
  |> close_block
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   810
  |> export_facts state;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   811
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   812
40960
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   813
(* global notepad *)
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   814
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   815
val begin_notepad =
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   816
  init
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   817
  #> open_block
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   818
  #> map_context (Variable.set_body true)
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   819
  #> open_block;
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   820
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   821
val end_notepad =
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   822
  assert_forward
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   823
  #> assert_bottom true
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   824
  #> close_block
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   825
  #> assert_current_goal false
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   826
  #> close_block
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   827
  #> context_of;
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   828
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   829
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   830
(* sub-proofs *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   831
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   832
fun proof opt_text =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   833
  assert_backward
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   834
  #> refine (the_default Method.default_text opt_text)
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   835
  #> Seq.map (using_facts [] #> enter_forward);
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   836
23360
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   837
fun end_proof bot txt state =
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   838
  state
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   839
  |> assert_forward
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   840
  |> assert_bottom bot
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   841
  |> close_block
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   842
  |> assert_current_goal true
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   843
  |> using_facts []
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   844
  |> `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
   845
  |> Seq.maps (refine (Method.finish_text txt));
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   846
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   847
fun check_result msg sq =
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   848
  (case Seq.pull sq of
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   849
    NONE => error msg
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   850
  | SOME (s, _) => s);
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   851
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   852
fun check_finish sq = check_result "Failed to finish proof" sq;
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   853
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   854
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   855
(* unstructured refinement *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   856
32193
c314b4836031 basic method application: avoid Position.setmp_thread_data_seq, which destroys transaction context;
wenzelm
parents: 32187
diff changeset
   857
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
   858
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
   859
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   860
fun apply text = assert_backward #> refine text #> Seq.map (using_facts []);
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   861
fun apply_end text = assert_forward #> refine_end text;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   862
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   863
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   864
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   865
(** goals **)
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   866
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   867
(* generic goals *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   868
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   869
local
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   870
36322
81cba3921ba5 goals: simplified handling of implicit variables -- removed obsolete warning;
wenzelm
parents: 35624
diff changeset
   871
val is_var =
81cba3921ba5 goals: simplified handling of implicit variables -- removed obsolete warning;
wenzelm
parents: 35624
diff changeset
   872
  can (dest_TVar o Logic.dest_type o Logic.dest_term) orf
81cba3921ba5 goals: simplified handling of implicit variables -- removed obsolete warning;
wenzelm
parents: 35624
diff changeset
   873
  can (dest_Var o Logic.dest_term);
81cba3921ba5 goals: simplified handling of implicit variables -- removed obsolete warning;
wenzelm
parents: 35624
diff changeset
   874
81cba3921ba5 goals: simplified handling of implicit variables -- removed obsolete warning;
wenzelm
parents: 35624
diff changeset
   875
fun implicit_vars props =
19846
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   876
  let
36354
bbd742107f56 eliminanated some unreferenced identifiers;
wenzelm
parents: 36324
diff changeset
   877
    val (var_props, _) = take_prefix is_var props;
36322
81cba3921ba5 goals: simplified handling of implicit variables -- removed obsolete warning;
wenzelm
parents: 35624
diff changeset
   878
    val explicit_vars = fold Term.add_vars var_props [];
81cba3921ba5 goals: simplified handling of implicit variables -- removed obsolete warning;
wenzelm
parents: 35624
diff changeset
   879
    val vars = filter_out (member (op =) explicit_vars) (fold Term.add_vars props []);
81cba3921ba5 goals: simplified handling of implicit variables -- removed obsolete warning;
wenzelm
parents: 35624
diff changeset
   880
  in map (Logic.mk_term o Var) vars end;
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   881
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   882
fun refine_terms n =
30510
4120fc59dd85 unified type Proof.method and pervasive METHOD combinators;
wenzelm
parents: 30419
diff changeset
   883
  refine (Method.Basic (K (RAW_METHOD
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   884
    (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
   885
      (HEADGOAL (CONJUNCTS (ALLGOALS (rtac Drule.termI))))))))))
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   886
  #> Seq.hd;
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   887
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   888
in
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   889
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   890
fun generic_goal prepp kind before_qed after_qed raw_propp state =
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   891
  let
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   892
    val thy = theory_of state;
23418
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   893
    val cert = Thm.cterm_of thy;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   894
    val chaining = can assert_chain state;
25958
bcedde463850 statement: keep explicit position;
wenzelm
parents: 25227
diff changeset
   895
    val pos = Position.thread_data ();
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   896
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   897
    val ((propss, after_ctxt), goal_state) =
5936
406eb27fe53c match_bind(_i): 'as' patterns;
wenzelm
parents: 5918
diff changeset
   898
      state
406eb27fe53c match_bind(_i): 'as' patterns;
wenzelm
parents: 5918
diff changeset
   899
      |> assert_forward_or_chain
406eb27fe53c match_bind(_i): 'as' patterns;
wenzelm
parents: 5918
diff changeset
   900
      |> enter_forward
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   901
      |> open_block
45327
4a027cc86f1a tuned signature -- canonical argument order;
wenzelm
parents: 44045
diff changeset
   902
      |> map_context_result (prepp raw_propp);
19482
9f11af8f7ef9 tuned basic list operators (flat, maps, map_filter);
wenzelm
parents: 19475
diff changeset
   903
    val props = flat propss;
15703
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
   904
36322
81cba3921ba5 goals: simplified handling of implicit variables -- removed obsolete warning;
wenzelm
parents: 35624
diff changeset
   905
    val vars = implicit_vars props;
81cba3921ba5 goals: simplified handling of implicit variables -- removed obsolete warning;
wenzelm
parents: 35624
diff changeset
   906
    val propss' = vars :: propss;
23418
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   907
    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
   908
    val goal =
fe6843aa4f5f more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents: 29090
diff changeset
   909
      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
   910
      |> 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
   911
    val statement = ((kind, pos), propss', Thm.term_of goal);
18124
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
   912
    val after_qed' = after_qed |>> (fn after_local =>
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
   913
      fn results => map_context after_ctxt #> after_local results);
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   914
  in
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   915
    goal_state
21727
5acd4f35d26f init_context: reset naming;
wenzelm
parents: 21687
diff changeset
   916
    |> map_context (init_context #> Variable.set_body true)
47068
2027ff3136cc tuned signature;
wenzelm
parents: 47065
diff changeset
   917
    |> set_goal (make_goal (statement, [], [], Goal.init goal, before_qed, after_qed'))
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42287
diff changeset
   918
    |> map_context (Proof_Context.auto_bind_goal props)
21565
bd28361f4c5b simplified '?' operator;
wenzelm
parents: 21466
diff changeset
   919
    |> chaining ? (`the_facts #-> using_facts)
47068
2027ff3136cc tuned signature;
wenzelm
parents: 47065
diff changeset
   920
    |> reset_facts
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   921
    |> open_block
47068
2027ff3136cc tuned signature;
wenzelm
parents: 47065
diff changeset
   922
    |> reset_goal
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   923
    |> enter_backward
23418
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   924
    |> 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
   925
    |> null props ? (refine (Method.Basic Method.assumption) #> Seq.hd)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   926
  end;
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   927
29090
bbfac5fd8d78 global_qed: refrain from ProofContext.auto_bind_facts, to avoid
wenzelm
parents: 28981
diff changeset
   928
fun generic_qed after_ctxt state =
12503
52994bfef01b Locale.activate_context;
wenzelm
parents: 12423
diff changeset
   929
  let
36354
bbd742107f56 eliminanated some unreferenced identifiers;
wenzelm
parents: 36324
diff changeset
   930
    val (goal_ctxt, {statement = (_, stmt, _), goal, after_qed, ...}) = current_goal state;
8617
33e2bd53aec3 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8582
diff changeset
   931
    val outer_state = state |> close_block;
33e2bd53aec3 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8582
diff changeset
   932
    val outer_ctxt = context_of outer_state;
33e2bd53aec3 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8582
diff changeset
   933
18503
841137f20307 goal/qed: proper treatment of two levels of conjunctions;
wenzelm
parents: 18475
diff changeset
   934
    val props =
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   935
      flat (tl stmt)
19915
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   936
      |> Variable.exportT_terms goal_ctxt outer_ctxt;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   937
    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
   938
      tl (conclude_goal goal_ctxt goal stmt)
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42287
diff changeset
   939
      |> burrow (Proof_Context.export goal_ctxt outer_ctxt);
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   940
  in
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   941
    outer_state
49013
1266b51f9bbc register proofs of Isar goals, to enable recovery from unstable command states after interactive cancellation;
wenzelm
parents: 49012
diff changeset
   942
    |> register_proofs (flat results)
29090
bbfac5fd8d78 global_qed: refrain from ProofContext.auto_bind_facts, to avoid
wenzelm
parents: 28981
diff changeset
   943
    |> 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
   944
    |> pair (after_qed, results)
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   945
  end;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   946
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   947
end;
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   948
9469
8058d285b1cd export RANGE, hard_asm_tac, soft_asm_tac;
wenzelm
parents: 9292
diff changeset
   949
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   950
(* local goals *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   951
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   952
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
   953
  let
21362
3a2ab1dce297 simplified Proof.theorem(_i) interface -- removed target support;
wenzelm
parents: 21274
diff changeset
   954
    val ((names, attss), propp) =
47815
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   955
      Attrib.map_specs (map (prep_att (context_of state))) stmt |> split_list |>> split_list;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   956
18124
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
   957
    fun after_qed' results =
18808
838fb803636e swapped Toplevel.theory_context;
wenzelm
parents: 18784
diff changeset
   958
      local_results ((names ~~ attss) ~~ results)
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   959
      #-> (fn res => tap (fn st => print_results (context_of st) ((kind, ""), res) : unit))
18124
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
   960
      #> after_qed results;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   961
  in
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   962
    state
21362
3a2ab1dce297 simplified Proof.theorem(_i) interface -- removed target support;
wenzelm
parents: 21274
diff changeset
   963
    |> 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
   964
    |> tap (Variable.warn_extra_tfrees (context_of state) o context_of)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   965
  end;
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   966
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   967
fun local_qeds txt =
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   968
  end_proof false txt
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42287
diff changeset
   969
  #> Seq.map (generic_qed Proof_Context.auto_bind_facts #->
29090
bbfac5fd8d78 global_qed: refrain from ProofContext.auto_bind_facts, to avoid
wenzelm
parents: 28981
diff changeset
   970
    (fn ((after_qed, _), results) => after_qed results));
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   971
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   972
fun local_qed txt = local_qeds txt #> check_finish;
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   973
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   974
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   975
(* global goals *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   976
45327
4a027cc86f1a tuned signature -- canonical argument order;
wenzelm
parents: 44045
diff changeset
   977
fun prepp_auto_fixes prepp args =
4a027cc86f1a tuned signature -- canonical argument order;
wenzelm
parents: 44045
diff changeset
   978
  prepp args #>
4a027cc86f1a tuned signature -- canonical argument order;
wenzelm
parents: 44045
diff changeset
   979
  (fn ((propss, a), ctxt) => ((propss, a), (fold o fold) Variable.auto_fixes propss ctxt));
4a027cc86f1a tuned signature -- canonical argument order;
wenzelm
parents: 44045
diff changeset
   980
4a027cc86f1a tuned signature -- canonical argument order;
wenzelm
parents: 44045
diff changeset
   981
fun global_goal prepp before_qed after_qed propp =
4a027cc86f1a tuned signature -- canonical argument order;
wenzelm
parents: 44045
diff changeset
   982
  init #>
4a027cc86f1a tuned signature -- canonical argument order;
wenzelm
parents: 44045
diff changeset
   983
  generic_goal (prepp_auto_fixes prepp) "" before_qed (K I, after_qed) propp;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   984
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42287
diff changeset
   985
val theorem = global_goal Proof_Context.bind_propp_schematic_i;
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42287
diff changeset
   986
val theorem_cmd = global_goal Proof_Context.bind_propp_schematic;
12065
5f7f44d5e3dd theorem(_i): locale atts;
wenzelm
parents: 12055
diff changeset
   987
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   988
fun global_qeds txt =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   989
  end_proof true txt
29090
bbfac5fd8d78 global_qed: refrain from ProofContext.auto_bind_facts, to avoid
wenzelm
parents: 28981
diff changeset
   990
  #> Seq.map (generic_qed (K I) #> (fn (((_, after_qed), results), state) =>
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   991
    after_qed results (context_of state)));
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   992
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   993
fun global_qed txt = global_qeds txt #> check_finish;
12959
bf48fd86a732 clarified localized multi statements;
wenzelm
parents: 12930
diff changeset
   994
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   995
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   996
(* concluding steps *)
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   997
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   998
fun terminal_proof qed initial terminal =
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   999
  proof (SOME initial) #> Seq.maps (qed terminal) #> check_finish;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
  1000
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
  1001
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
  1002
val local_default_proof = local_terminal_proof (Method.default_text, NONE);
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
  1003
val local_immediate_proof = local_terminal_proof (Method.this_text, NONE);
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1004
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
  1005
val local_done_proof = terminal_proof local_qeds Method.done_text (NONE, false);
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
  1006
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
  1007
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
  1008
val global_default_proof = global_terminal_proof (Method.default_text, NONE);
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
  1009
val global_immediate_proof = global_terminal_proof (Method.this_text, NONE);
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1010
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
  1011
val global_done_proof = terminal_proof global_qeds Method.done_text (NONE, false);
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
  1012
6896
4bdc3600ddae close_block: transfer_used_names;
wenzelm
parents: 6891
diff changeset
  1013
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1014
(* common goal statements *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1015
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1016
local
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1017
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
  1018
fun gen_have prep_att prepp before_qed after_qed stmt int =
46728
85f8e3932712 display proof results as "state", to suppress odd squiggles in the Prover IDE (see also 9240be8c8c69);
wenzelm
parents: 46466
diff changeset
  1019
  local_goal (Proof_Display.print_results Isabelle_Markup.state int)
85f8e3932712 display proof results as "state", to suppress odd squiggles in the Prover IDE (see also 9240be8c8c69);
wenzelm
parents: 46466
diff changeset
  1020
    prep_att prepp "have" before_qed after_qed stmt;
6896
4bdc3600ddae close_block: transfer_used_names;
wenzelm
parents: 6891
diff changeset
  1021
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
  1022
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
  1023
  let
32738
15bb09ca0378 explicit indication of Unsynchronized.ref;
wenzelm
parents: 32193
diff changeset
  1024
    val testing = Unsynchronized.ref false;
15bb09ca0378 explicit indication of Unsynchronized.ref;
wenzelm
parents: 32193
diff changeset
  1025
    val rule = Unsynchronized.ref (NONE: thm option);
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1026
    fun fail_msg ctxt =
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
  1027
      "Local statement will fail to refine any pending goal" ::
33389
bb3a5fa94a91 modernized structure Proof_Display;
wenzelm
parents: 33386
diff changeset
  1028
      (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
  1029
      |> cat_lines;
6896
4bdc3600ddae close_block: transfer_used_names;
wenzelm
parents: 6891
diff changeset
  1030
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1031
    fun print_results ctxt res =
46728
85f8e3932712 display proof results as "state", to suppress odd squiggles in the Prover IDE (see also 9240be8c8c69);
wenzelm
parents: 46466
diff changeset
  1032
      if ! testing then ()
85f8e3932712 display proof results as "state", to suppress odd squiggles in the Prover IDE (see also 9240be8c8c69);
wenzelm
parents: 46466
diff changeset
  1033
      else Proof_Display.print_results Isabelle_Markup.state int ctxt res;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1034
    fun print_rule ctxt th =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1035
      if ! testing then rule := SOME th
41181
9240be8c8c69 show: display goal refinement rule as "state", to avoid odd Output.urgent_message and make its association with the goal more explicit;
wenzelm
parents: 40960
diff changeset
  1036
      else if int then
45666
d83797ef0d2d separate module for concrete Isabelle markup;
wenzelm
parents: 45597
diff changeset
  1037
        writeln
d83797ef0d2d separate module for concrete Isabelle markup;
wenzelm
parents: 45597
diff changeset
  1038
          (Markup.markup Isabelle_Markup.state (Proof_Display.string_of_rule ctxt "Successful" th))
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1039
      else ();
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1040
    val test_proof =
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
  1041
      try (local_skip_proof true)
39616
8052101883c3 renamed setmp_noncritical to Unsynchronized.setmp to emphasize its meaning;
wenzelm
parents: 39232
diff changeset
  1042
      |> Unsynchronized.setmp testing true
42042
wenzelm
parents: 41677
diff changeset
  1043
      |> Exn.interruptible_capture;
6896
4bdc3600ddae close_block: transfer_used_names;
wenzelm
parents: 6891
diff changeset
  1044
18124
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
  1045
    fun after_qed' results =
19482
9f11af8f7ef9 tuned basic list operators (flat, maps, map_filter);
wenzelm
parents: 19475
diff changeset
  1046
      refine_goals print_rule (context_of state) (flat results)
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
  1047
      #> check_result "Failed to refine any pending goal"
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
  1048
      #> after_qed results;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1049
  in
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1050
    state
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
  1051
    |> local_goal print_results prep_att prepp "show" before_qed after_qed' stmt
21565
bd28361f4c5b simplified '?' operator;
wenzelm
parents: 21466
diff changeset
  1052
    |> int ? (fn goal_state =>
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1053
      (case test_proof goal_state of
43761
e72ba84ae58f tuned signature -- corresponding to Scala version;
wenzelm
parents: 42717
diff changeset
  1054
        Exn.Res (SOME _) => goal_state
e72ba84ae58f tuned signature -- corresponding to Scala version;
wenzelm
parents: 42717
diff changeset
  1055
      | Exn.Res NONE => error (fail_msg (context_of goal_state))
42042
wenzelm
parents: 41677
diff changeset
  1056
      | 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
  1057
  end;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1058
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1059
in
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1060
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42287
diff changeset
  1061
val have = gen_have (K I) Proof_Context.bind_propp_i;
47815
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
  1062
val have_cmd = gen_have Attrib.attribute_cmd Proof_Context.bind_propp;
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42287
diff changeset
  1063
val show = gen_show (K I) Proof_Context.bind_propp_i;
47815
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
  1064
val show_cmd = gen_show Attrib.attribute_cmd Proof_Context.bind_propp;
6896
4bdc3600ddae close_block: transfer_used_names;
wenzelm
parents: 6891
diff changeset
  1065
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
  1066
end;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1067
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
  1068
29385
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1069
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1070
(** future proofs **)
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1071
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1072
(* relevant proof states *)
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1073
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1074
fun is_schematic t =
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1075
  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
  1076
  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
  1077
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1078
fun schematic_goal state =
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1079
  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
  1080
  in is_schematic prop end;
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1081
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1082
fun is_relevant state =
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1083
  (case try find_goal state of
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1084
    NONE => true
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1085
  | SOME (_, (_, {statement = (_, _, prop), goal, ...})) =>
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1086
      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
  1087
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1088
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1089
(* full proofs *)
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
  1090
29346
fe6843aa4f5f more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents: 29090
diff changeset
  1091
local
fe6843aa4f5f more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents: 29090
diff changeset
  1092
29385
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1093
fun future_proof done get_context fork_proof state =
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
  1094
  let
29381
45d77aeb1608 future_terminal_proof: no fork for interactive mode, assert_backward;
wenzelm
parents: 29364
diff changeset
  1095
    val _ = assert_backward state;
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
  1096
    val (goal_ctxt, (_, goal)) = find_goal state;
32786
f1ac4b515af9 eliminated dead code;
wenzelm
parents: 32771
diff changeset
  1097
    val {statement as (kind, _, prop), messages, using, goal, before_qed, after_qed} = goal;
47431
d9dd4a9f18fc more precise declaration of goal_tfrees in forked proof state;
wenzelm
parents: 47416
diff changeset
  1098
    val goal_tfrees =
d9dd4a9f18fc more precise declaration of goal_tfrees in forked proof state;
wenzelm
parents: 47416
diff changeset
  1099
      fold Term.add_tfrees
d9dd4a9f18fc more precise declaration of goal_tfrees in forked proof state;
wenzelm
parents: 47416
diff changeset
  1100
        (prop :: map Thm.term_of (Assumption.all_assms_of goal_ctxt)) [];
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
  1101
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
  1102
    val _ = is_relevant state andalso error "Cannot fork relevant proof";
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
  1103
29346
fe6843aa4f5f more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents: 29090
diff changeset
  1104
    val prop' = Logic.protect prop;
fe6843aa4f5f more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents: 29090
diff changeset
  1105
    val statement' = (kind, [[], [prop']], prop');
fe6843aa4f5f more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents: 29090
diff changeset
  1106
    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
  1107
      (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
  1108
33386
ff29d1549aca modernized structure AutoBind;
wenzelm
parents: 33368
diff changeset
  1109
    fun after_local' [[th]] = put_thms false (Auto_Bind.thisN, SOME [th]);
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42287
diff changeset
  1110
    fun after_global' [[th]] = Proof_Context.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
  1111
    val after_qed' = (after_local', after_global');
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42287
diff changeset
  1112
    val this_name = Proof_Context.full_name goal_ctxt (Binding.name Auto_Bind.thisN);
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
  1113
28973
c549650d1442 future proofs: pass actual futures to facilitate composite computations;
wenzelm
parents: 28627
diff changeset
  1114
    val result_ctxt =
c549650d1442 future proofs: pass actual futures to facilitate composite computations;
wenzelm
parents: 28627
diff changeset
  1115
      state
29385
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1116
      |> map_goal I (K (statement', messages, using, goal', before_qed, after_qed'))
47431
d9dd4a9f18fc more precise declaration of goal_tfrees in forked proof state;
wenzelm
parents: 47416
diff changeset
  1117
        (fold (Variable.declare_typ o TFree) goal_tfrees)
29346
fe6843aa4f5f more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents: 29090
diff changeset
  1118
      |> fork_proof;
28973
c549650d1442 future proofs: pass actual futures to facilitate composite computations;
wenzelm
parents: 28627
diff changeset
  1119
29385
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1120
    val future_thm = result_ctxt |> Future.map (fn (_, x) =>
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42287
diff changeset
  1121
      Proof_Context.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
  1122
    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
  1123
    val state' =
c549650d1442 future proofs: pass actual futures to facilitate composite computations;
wenzelm
parents: 28627
diff changeset
  1124
      state
47431
d9dd4a9f18fc more precise declaration of goal_tfrees in forked proof state;
wenzelm
parents: 47416
diff changeset
  1125
      |> map_goal I (K (statement, messages, using, finished_goal, NONE, after_qed)) I
29385
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1126
      |> done;
28973
c549650d1442 future proofs: pass actual futures to facilitate composite computations;
wenzelm
parents: 28627
diff changeset
  1127
  in (Future.map #1 result_ctxt, state') end;
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
  1128
29385
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1129
in
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1130
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1131
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
  1132
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
  1133
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1134
end;
29346
fe6843aa4f5f more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents: 29090
diff changeset
  1135
29385
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1136
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1137
(* terminal proofs *)
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1138
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1139
local
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1140
49012
8686c36fa27d refined treatment of forked proofs at transaction boundaries, including proof commands (see also 7ee000ce5390);
wenzelm
parents: 49011
diff changeset
  1141
fun future_terminal_proof n proof1 proof2 meths int state =
8686c36fa27d refined treatment of forked proofs at transaction boundaries, including proof commands (see also 7ee000ce5390);
wenzelm
parents: 49011
diff changeset
  1142
  if (Goal.future_enabled_level 4 orelse Goal.future_enabled_nested n andalso not int)
8686c36fa27d refined treatment of forked proofs at transaction boundaries, including proof commands (see also 7ee000ce5390);
wenzelm
parents: 49011
diff changeset
  1143
    andalso not (is_relevant state)
8686c36fa27d refined treatment of forked proofs at transaction boundaries, including proof commands (see also 7ee000ce5390);
wenzelm
parents: 49011
diff changeset
  1144
  then
8686c36fa27d refined treatment of forked proofs at transaction boundaries, including proof commands (see also 7ee000ce5390);
wenzelm
parents: 49011
diff changeset
  1145
    snd (proof2 (fn state' =>
8686c36fa27d refined treatment of forked proofs at transaction boundaries, including proof commands (see also 7ee000ce5390);
wenzelm
parents: 49011
diff changeset
  1146
      Goal.fork_name "Proof.future_terminal_proof" (fn () => ((), proof1 meths state'))) state)
8686c36fa27d refined treatment of forked proofs at transaction boundaries, including proof commands (see also 7ee000ce5390);
wenzelm
parents: 49011
diff changeset
  1147
  else proof1 meths state;
29385
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1148
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1149
in
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1150
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1151
fun local_future_terminal_proof x =
49012
8686c36fa27d refined treatment of forked proofs at transaction boundaries, including proof commands (see also 7ee000ce5390);
wenzelm
parents: 49011
diff changeset
  1152
  future_terminal_proof 2 local_terminal_proof local_future_proof x;
29385
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1153
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1154
fun global_future_terminal_proof x =
49012
8686c36fa27d refined treatment of forked proofs at transaction boundaries, including proof commands (see also 7ee000ce5390);
wenzelm
parents: 49011
diff changeset
  1155
  future_terminal_proof 3 global_terminal_proof global_future_proof x;
29350
c7735554d291 added future_terminal_proof;
wenzelm
parents: 29346
diff changeset
  1156
29346
fe6843aa4f5f more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents: 29090
diff changeset
  1157
end;
fe6843aa4f5f more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents: 29090
diff changeset
  1158
29385
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1159
end;
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1160