src/Pure/Isar/proof.ML
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Fri, 13 Nov 2015 11:41:11 +0100
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support for structure statements in 'assume', 'presume';
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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 put_thms: bool -> string * thm list option -> state -> state
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  val the_facts: state -> thm list
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  val the_fact: state -> thm
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  val 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 enter_chain: state -> state
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  val enter_backward: state -> state
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  val has_bottom_goal: state -> bool
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  val using_facts: thm list -> state -> state
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  val pretty_state: 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_primitive: (Proof.context -> thm -> thm) -> state -> state
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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 -> (binding * typ option * mixfix) list ->
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    (term * term list) list list -> (Thm.binding * (term * term list) list) list ->
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    state -> state
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  val assm_cmd: Assumption.export -> (binding * string option * mixfix) list ->
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    (string * string list) list list -> (Attrib.binding * (string * string list) list) list ->
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    state -> state
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  val assume: (binding * typ option * mixfix) list ->
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    (term * term list) list list -> (Thm.binding * (term * term list) list) list ->
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    state -> state
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  val assume_cmd: (binding * string option * mixfix) list ->
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    (string * string list) list list -> (Attrib.binding * (string * string list) list) list ->
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    state -> state
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  val presume: (binding * typ option * mixfix) list ->
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    (term * term list) list list -> (Thm.binding * (term * term list) list) list ->
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    state -> state
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  val presume_cmd: (binding * string option * mixfix) list ->
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    (string * string list) list list -> (Attrib.binding * (string * string list) list) list ->
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    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 * Token.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 * Token.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 * Token.src list) list) list -> state -> state
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  val supply: (Thm.binding * (thm list * attribute list) list) list -> state -> state
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  val supply_cmd: (Attrib.binding * (Facts.ref * Token.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 * Token.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 * Token.src list) list) list -> state -> state
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  val case_: Thm.binding * ((string * Position.T) * binding option list) -> state -> state
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  val case_cmd: Attrib.binding * ((string * Position.T) * binding option 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: context -> state
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  val end_notepad: state -> context
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  val proof: Method.text option -> state -> state Seq.seq
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  val proof_results: Method.text_range option -> state -> state Seq.result Seq.seq
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  val defer: int -> state -> state
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  val prefer: int -> state -> state
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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 apply_results: Method.text_range -> state -> state Seq.result Seq.seq
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  val apply_end_results: Method.text_range -> state -> state Seq.result Seq.seq
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  val local_qed: Method.text_range 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_range option * bool -> state -> context
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  val local_terminal_proof: Method.text_range * Method.text_range 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_range * Method.text_range 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 internal_goal: (context -> (string * string) * (string * thm list) list -> unit) ->
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    Proof_Context.mode -> bool -> string -> Method.text option ->
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    (context * thm list list -> state -> state) ->
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    (binding * typ option * mixfix) list ->
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    (Thm.binding * (term * term list) list) list ->
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    (Thm.binding * (term * term list) list) list -> state -> thm list * state
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  val have: bool -> Method.text option -> (context * thm list list -> state -> state) ->
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    (binding * typ option * mixfix) list ->
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    (Thm.binding * (term * term list) list) list ->
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    (Thm.binding * (term * term list) list) list -> bool -> state -> thm list * state
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  val have_cmd: bool -> Method.text option -> (context * thm list list -> state -> state) ->
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    (binding * string option * mixfix) list ->
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    (Attrib.binding * (string * string list) list) list ->
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    (Attrib.binding * (string * string list) list) list -> bool -> state -> thm list * state
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  val show: bool -> Method.text option -> (context * thm list list -> state -> state) ->
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    (binding * typ option * mixfix) list ->
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    (Thm.binding * (term * term list) list) list ->
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    (Thm.binding * (term * term list) list) list -> bool -> state -> thm list * state
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  val show_cmd: bool -> Method.text option -> (context * thm list list -> state -> state) ->
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    (binding * string option * mixfix) list ->
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    (Attrib.binding * (string * string list) list) list ->
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    (Attrib.binding * (string * string list) list) list -> bool -> state -> thm list * state
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  val schematic_goal: state -> bool
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  val is_relevant: state -> bool
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  val future_proof: (state -> ('a * context) future) -> state -> 'a future * state
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  val local_future_terminal_proof: Method.text_range * Method.text_range option -> state -> state
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  val global_future_terminal_proof: Method.text_range * Method.text_range option -> 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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    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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      (context * thm list list -> state -> state) *
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      (context * thm list list -> context -> context)};
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fun make_goal (statement, using, goal, before_qed, after_qed) =
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  Goal {statement = statement, using = using, goal = goal,
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    before_qed = before_qed, after_qed = after_qed};
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fun make_node (context, facts, mode, goal) =
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  Node {context = context, facts = facts, mode = mode, goal = goal};
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fun map_node f (Node {context, facts, mode, goal}) =
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  make_node (f (context, facts, mode, goal));
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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 stack) = Stack.top stack |> (fn Node node => node);
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fun map_top f (State stack) = State (Stack.map_top (map_node f) stack);
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fun map_all f (State stack) = State (Stack.map_all (map_node f) stack);
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(** basic proof state operations **)
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(* block structure *)
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fun open_block (State stack) = State (Stack.push stack);
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fun close_block (State stack) = State (Stack.pop stack)
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  handle List.Empty => error "Unbalanced block parentheses";
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fun level (State stack) = Stack.level stack;
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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_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_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 put_thms = map_context oo Proof_Context.put_thms;
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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
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    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
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    [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 = ctxt, goal = SOME (Goal goal), ...} => (ctxt, 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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   305
    if g andalso not g' then error "No goal in this block"
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    else if not g andalso g' then error "Goal present in this block"
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    else state
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  end;
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9c68e43502ce some support for registering forked proofs within Proof.state, using its bottom context;
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fun put_goal goal = map_top (fn (ctxt, using, mode, _) => (ctxt, using, mode, goal));
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val set_goal = put_goal o SOME;
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val reset_goal = put_goal NONE;
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   314
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f1d298e33760 goal statements: before_qed argument;
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val before_qed = #before_qed o #2 o current_goal;
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543735c6f424 major cleanup of interfaces and implementation;
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(* bottom goal *)
49ed5eea15d4 'oops' requires proper goal statement -- exclude 'notepad' to avoid disrupting begin/end structure;
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49ed5eea15d4 'oops' requires proper goal statement -- exclude 'notepad' to avoid disrupting begin/end structure;
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fun has_bottom_goal (State stack) =
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  let
49ed5eea15d4 'oops' requires proper goal statement -- exclude 'notepad' to avoid disrupting begin/end structure;
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    fun bottom [Node {goal = SOME _, ...}, Node {goal = NONE, ...}] = true
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      | bottom [Node {goal, ...}] = is_some goal
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   324
      | bottom [] = false
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      | bottom (_ :: rest) = bottom rest;
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  in bottom (op :: (Stack.dest stack)) end;
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49ed5eea15d4 'oops' requires proper goal statement -- exclude 'notepad' to avoid disrupting begin/end structure;
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543735c6f424 major cleanup of interfaces and implementation;
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(* nested goal *)
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27255d1fbe1a clarified map_node: operate precisely on goal context and goal info (see also 2b8342b0d98c);
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fun map_goal f (State stack) =
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   332
  (case Stack.dest stack of
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   333
    (Node {context = ctxt, facts, mode, goal = SOME goal}, node :: nodes) =>
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   334
      let
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20aa19ecf2cc eliminated obsolete Proof.goal_message -- print outcome more directly;
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   335
        val Goal {statement, using, goal, before_qed, after_qed} = goal;
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   336
        val (ctxt', statement', using', goal', before_qed', after_qed') =
27255d1fbe1a clarified map_node: operate precisely on goal context and goal info (see also 2b8342b0d98c);
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   337
          f (ctxt, statement, using, goal, before_qed, after_qed);
27255d1fbe1a clarified map_node: operate precisely on goal context and goal info (see also 2b8342b0d98c);
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   338
        val goal' = make_goal (statement', using', goal', before_qed', after_qed');
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      in State (Stack.make (make_node (ctxt', facts, mode, SOME goal')) (node :: nodes)) end
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   340
  | (top_node, node :: nodes) =>
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   341
      let
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   342
        val State stack' = map_goal f (State (Stack.make node nodes));
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6d71f19a9fd6 more abstract type;
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   343
        val (node', nodes') = Stack.dest stack';
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   344
      in State (Stack.make top_node (node' :: nodes')) end
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6d71f19a9fd6 more abstract type;
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  | _ => State stack);
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60550
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fun provide_goal goal =
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27255d1fbe1a clarified map_node: operate precisely on goal context and goal info (see also 2b8342b0d98c);
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   348
  map_goal (fn (ctxt, statement, using, _, before_qed, after_qed) =>
27255d1fbe1a clarified map_node: operate precisely on goal context and goal info (see also 2b8342b0d98c);
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    (ctxt, statement, using, goal, before_qed, after_qed));
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a4c82a9ff7d8 method: SelectGoals;
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60550
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fun using_facts using =
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   352
  map_goal (fn (ctxt, statement, _, goal, before_qed, after_qed) =>
27255d1fbe1a clarified map_node: operate precisely on goal context and goal info (see also 2b8342b0d98c);
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   353
    (ctxt, statement, using, goal, before_qed, after_qed));
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   354
60611
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   355
fun find_goal state =
27255d1fbe1a clarified map_node: operate precisely on goal context and goal info (see also 2b8342b0d98c);
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   356
  (case try current_goal state of
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   357
    SOME ctxt_goal => ctxt_goal
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   358
  | NONE => find_goal (close_block state handle ERROR _ => error "No proof goal"));
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   359
543735c6f424 major cleanup of interfaces and implementation;
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   360
fun get_goal state =
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   361
  let val (ctxt, {using, goal, ...}) = find_goal state
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   362
  in (ctxt, (using, goal)) end;
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ff3c82b47603 Proof states and methods.
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parents:
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   364
ff3c82b47603 Proof states and methods.
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   365
12423
7fd447422dee tuned print_state interfaces;
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(** pretty_state **)
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   367
59185
08ff767a82bf tuned message;
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   368
local
08ff767a82bf tuned message;
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parents: 59184
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   369
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08c8dad8e399 Deleted Library.option type.
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   370
fun pretty_facts _ _ NONE = []
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   371
  | pretty_facts ctxt s (SOME ths) = [Proof_Display.pretty_goal_facts ctxt s ths];
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   372
08ff767a82bf tuned message;
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   373
fun pretty_sep prts [] = prts
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   374
  | pretty_sep [] prts = prts
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   375
  | pretty_sep prts1 prts2 = prts1 @ [Pretty.str ""] @ prts2;
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   376
08ff767a82bf tuned message;
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parents: 59184
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   377
in
6756
fe6eb161df3e improved print_state;
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parents: 6752
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   378
60403
9be917b2f376 tuned signature;
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   379
fun pretty_state state =
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parents:
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   380
  let
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9c68e43502ce some support for registering forked proofs within Proof.state, using its bottom context;
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   381
    val {context = ctxt, facts, mode, goal = _} = top state;
42717
0bbb56867091 proper configuration options Proof_Context.debug and Proof_Context.verbose;
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   382
    val verbose = Config.get ctxt Proof_Context.verbose;
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ff3c82b47603 Proof states and methods.
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parents:
diff changeset
   383
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27255d1fbe1a clarified map_node: operate precisely on goal context and goal info (see also 2b8342b0d98c);
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diff changeset
   384
    fun prt_goal (SOME (_, {statement = _, using, goal, before_qed = _, after_qed = _})) =
59185
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parents: 59184
diff changeset
   385
          pretty_sep
08ff767a82bf tuned message;
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parents: 59184
diff changeset
   386
            (pretty_facts ctxt "using"
08ff767a82bf tuned message;
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parents: 59184
diff changeset
   387
              (if mode <> Backward orelse null using then NONE else SOME using))
08ff767a82bf tuned message;
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parents: 59184
diff changeset
   388
            ([Proof_Display.pretty_goal_header goal] @ Goal_Display.pretty_goals ctxt goal)
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diff changeset
   389
      | prt_goal NONE = [];
6848
3d82756e1af5 tuned print_state;
wenzelm
parents: 6798
diff changeset
   390
17359
543735c6f424 major cleanup of interfaces and implementation;
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parents: 17203
diff changeset
   391
    val prt_ctxt =
42717
0bbb56867091 proper configuration options Proof_Context.debug and Proof_Context.verbose;
wenzelm
parents: 42496
diff changeset
   392
      if verbose orelse mode = Forward then Proof_Context.pretty_context ctxt
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42287
diff changeset
   393
      else if mode = Backward then Proof_Context.pretty_ctxt ctxt
7575
e1e2d07287d8 improved output;
wenzelm
parents: 7556
diff changeset
   394
      else [];
56912
293cd4dcfebc some position markup to help locating the query context, e.g. from "Info" dockable;
wenzelm
parents: 56898
diff changeset
   395
293cd4dcfebc some position markup to help locating the query context, e.g. from "Info" dockable;
wenzelm
parents: 56898
diff changeset
   396
    val position_markup = Position.markup (Position.thread_data ()) Markup.position;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   397
  in
56912
293cd4dcfebc some position markup to help locating the query context, e.g. from "Info" dockable;
wenzelm
parents: 56898
diff changeset
   398
    [Pretty.block
60551
2b8342b0d98c clarified nesting of Isar goal structure;
wenzelm
parents: 60550
diff changeset
   399
      [Pretty.mark_str (position_markup, "proof"), Pretty.str (" (" ^ mode_name mode ^ ")")]] @
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   400
    (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
   401
    (if verbose orelse mode = Forward then
59185
08ff767a82bf tuned message;
wenzelm
parents: 59184
diff changeset
   402
       pretty_sep (pretty_facts ctxt "" facts) (prt_goal (try find_goal state))
51584
98029ceda8ce more item markup;
wenzelm
parents: 51553
diff changeset
   403
     else if mode = Chain then pretty_facts ctxt "picking" facts
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   404
     else prt_goal (try find_goal state))
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   405
  end;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   406
59185
08ff767a82bf tuned message;
wenzelm
parents: 59184
diff changeset
   407
end;
08ff767a82bf tuned message;
wenzelm
parents: 59184
diff changeset
   408
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   409
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   410
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   411
(** proof steps **)
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   412
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   413
(* refine via method *)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   414
8234
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   415
local
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   416
16146
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   417
fun goalN i = "goal" ^ string_of_int i;
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   418
fun goals st = map goalN (1 upto Thm.nprems_of st);
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   419
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   420
fun no_goal_cases st = map (rpair NONE) (goals st);
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   421
59970
e9f73d87d904 proper context for Object_Logic operations;
wenzelm
parents: 59953
diff changeset
   422
fun goal_cases ctxt st =
e9f73d87d904 proper context for Object_Logic operations;
wenzelm
parents: 59953
diff changeset
   423
  Rule_Cases.make_common ctxt (Thm.prop_of st) (map (rpair [] o rpair []) (goals st));
16146
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   424
58007
671c607fb4af just one context for Method.evaluate (in contrast to a989bdaf8121, but in accordance to old global situation);
wenzelm
parents: 58004
diff changeset
   425
fun apply_method text ctxt state =
60611
27255d1fbe1a clarified map_node: operate precisely on goal context and goal info (see also 2b8342b0d98c);
wenzelm
parents: 60595
diff changeset
   426
  find_goal state |> (fn (goal_ctxt, {statement, using, goal, before_qed, after_qed}) =>
58007
671c607fb4af just one context for Method.evaluate (in contrast to a989bdaf8121, but in accordance to old global situation);
wenzelm
parents: 58004
diff changeset
   427
    Method.evaluate text ctxt using goal
58004
wenzelm
parents: 58003
diff changeset
   428
    |> Seq.map (fn (meth_cases, goal') =>
60611
27255d1fbe1a clarified map_node: operate precisely on goal context and goal info (see also 2b8342b0d98c);
wenzelm
parents: 60595
diff changeset
   429
      let
27255d1fbe1a clarified map_node: operate precisely on goal context and goal info (see also 2b8342b0d98c);
wenzelm
parents: 60595
diff changeset
   430
        val goal_ctxt' = goal_ctxt
27255d1fbe1a clarified map_node: operate precisely on goal context and goal info (see also 2b8342b0d98c);
wenzelm
parents: 60595
diff changeset
   431
          |> Proof_Context.update_cases_legacy (no_goal_cases goal @ goal_cases ctxt goal')
27255d1fbe1a clarified map_node: operate precisely on goal context and goal info (see also 2b8342b0d98c);
wenzelm
parents: 60595
diff changeset
   432
          |> Proof_Context.update_cases meth_cases;
27255d1fbe1a clarified map_node: operate precisely on goal context and goal info (see also 2b8342b0d98c);
wenzelm
parents: 60595
diff changeset
   433
        val state' = state
27255d1fbe1a clarified map_node: operate precisely on goal context and goal info (see also 2b8342b0d98c);
wenzelm
parents: 60595
diff changeset
   434
          |> map_goal (K (goal_ctxt', statement, using, goal', before_qed, after_qed));
27255d1fbe1a clarified map_node: operate precisely on goal context and goal info (see also 2b8342b0d98c);
wenzelm
parents: 60595
diff changeset
   435
      in state' end));
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   436
8234
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   437
in
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   438
58007
671c607fb4af just one context for Method.evaluate (in contrast to a989bdaf8121, but in accordance to old global situation);
wenzelm
parents: 58004
diff changeset
   439
fun refine text state = apply_method text (context_of state) state;
671c607fb4af just one context for Method.evaluate (in contrast to a989bdaf8121, but in accordance to old global situation);
wenzelm
parents: 58004
diff changeset
   440
fun refine_end text state = apply_method text (#1 (find_goal state)) state;
58004
wenzelm
parents: 58003
diff changeset
   441
wenzelm
parents: 58003
diff changeset
   442
fun refine_insert ths =
wenzelm
parents: 58003
diff changeset
   443
  Seq.hd o refine (Method.Basic (K (Method.insert ths)));
18908
fb080097e436 added refine_insert;
wenzelm
parents: 18878
diff changeset
   444
60623
be39fe6c5620 support for subgoal focus command;
wenzelm
parents: 60618
diff changeset
   445
fun refine_primitive r =  (* FIXME Seq.Error!? *)
be39fe6c5620 support for subgoal focus command;
wenzelm
parents: 60618
diff changeset
   446
  Seq.hd o refine (Method.Basic (fn ctxt => fn _ => EMPTY_CASES (PRIMITIVE (r ctxt))));
be39fe6c5620 support for subgoal focus command;
wenzelm
parents: 60618
diff changeset
   447
8234
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   448
end;
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   449
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   450
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   451
(* refine via sub-proof *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   452
46466
61c7214b4885 tuned signature, according to actual usage of these operations;
wenzelm
parents: 45666
diff changeset
   453
local
61c7214b4885 tuned signature, according to actual usage of these operations;
wenzelm
parents: 45666
diff changeset
   454
54742
7a86358a3c0b proper context for basic Simplifier operations: rewrite_rule, rewrite_goals_rule, rewrite_goals_tac etc.;
wenzelm
parents: 54567
diff changeset
   455
fun finish_tac _ 0 = K all_tac
7a86358a3c0b proper context for basic Simplifier operations: rewrite_rule, rewrite_goals_rule, rewrite_goals_tac etc.;
wenzelm
parents: 54567
diff changeset
   456
  | finish_tac ctxt n =
7a86358a3c0b proper context for basic Simplifier operations: rewrite_rule, rewrite_goals_rule, rewrite_goals_tac etc.;
wenzelm
parents: 54567
diff changeset
   457
      Goal.norm_hhf_tac ctxt THEN'
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
   458
      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
   459
        if can Logic.unprotect (Logic.strip_assums_concl goal) then
59498
50b60f501b05 proper context for resolve_tac, eresolve_tac, dresolve_tac, forward_tac etc.;
wenzelm
parents: 59185
diff changeset
   460
          eresolve_tac ctxt [Drule.protectI] i THEN finish_tac ctxt (n - 1) i
54742
7a86358a3c0b proper context for basic Simplifier operations: rewrite_rule, rewrite_goals_rule, rewrite_goals_tac etc.;
wenzelm
parents: 54567
diff changeset
   461
        else finish_tac ctxt (n - 1) (i + 1));
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
   462
54742
7a86358a3c0b proper context for basic Simplifier operations: rewrite_rule, rewrite_goals_rule, rewrite_goals_tac etc.;
wenzelm
parents: 54567
diff changeset
   463
fun goal_tac ctxt rule =
7a86358a3c0b proper context for basic Simplifier operations: rewrite_rule, rewrite_goals_rule, rewrite_goals_tac etc.;
wenzelm
parents: 54567
diff changeset
   464
  Goal.norm_hhf_tac ctxt THEN'
59498
50b60f501b05 proper context for resolve_tac, eresolve_tac, dresolve_tac, forward_tac etc.;
wenzelm
parents: 59185
diff changeset
   465
  resolve_tac ctxt [rule] THEN'
54742
7a86358a3c0b proper context for basic Simplifier operations: rewrite_rule, rewrite_goals_rule, rewrite_goals_tac etc.;
wenzelm
parents: 54567
diff changeset
   466
  finish_tac ctxt (Thm.nprems_of rule);
11816
545aab7410ac simplified exporter interface;
wenzelm
parents: 11793
diff changeset
   467
46466
61c7214b4885 tuned signature, according to actual usage of these operations;
wenzelm
parents: 45666
diff changeset
   468
fun FINDGOAL tac st =
61c7214b4885 tuned signature, according to actual usage of these operations;
wenzelm
parents: 45666
diff changeset
   469
  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
   470
  in find 1 (Thm.nprems_of st) st end;
61c7214b4885 tuned signature, according to actual usage of these operations;
wenzelm
parents: 45666
diff changeset
   471
60595
804dfdc82835 premises in 'show' are treated like 'assume';
wenzelm
parents: 60573
diff changeset
   472
fun protect_prem i th =
804dfdc82835 premises in 'show' are treated like 'assume';
wenzelm
parents: 60573
diff changeset
   473
  Thm.bicompose NONE {flatten = false, match = false, incremented = true}
804dfdc82835 premises in 'show' are treated like 'assume';
wenzelm
parents: 60573
diff changeset
   474
    (false, Drule.incr_indexes th Drule.protectD, 1) i th
804dfdc82835 premises in 'show' are treated like 'assume';
wenzelm
parents: 60573
diff changeset
   475
  |> Seq.hd;
804dfdc82835 premises in 'show' are treated like 'assume';
wenzelm
parents: 60573
diff changeset
   476
804dfdc82835 premises in 'show' are treated like 'assume';
wenzelm
parents: 60573
diff changeset
   477
fun protect_prems th =
804dfdc82835 premises in 'show' are treated like 'assume';
wenzelm
parents: 60573
diff changeset
   478
  fold_rev protect_prem (1 upto Thm.nprems_of th) th;
804dfdc82835 premises in 'show' are treated like 'assume';
wenzelm
parents: 60573
diff changeset
   479
46466
61c7214b4885 tuned signature, according to actual usage of these operations;
wenzelm
parents: 45666
diff changeset
   480
in
61c7214b4885 tuned signature, according to actual usage of these operations;
wenzelm
parents: 45666
diff changeset
   481
60415
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
   482
fun refine_goals print_rule result_ctxt result state =
19915
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   483
  let
60415
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
   484
    val (goal_ctxt, (_, goal)) = get_goal state;
60550
wenzelm
parents: 60469
diff changeset
   485
    fun refine rule st =
wenzelm
parents: 60469
diff changeset
   486
      (print_rule goal_ctxt rule; FINDGOAL (goal_tac goal_ctxt rule) st);
19915
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   487
  in
60415
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
   488
    result
60595
804dfdc82835 premises in 'show' are treated like 'assume';
wenzelm
parents: 60573
diff changeset
   489
    |> map (Raw_Simplifier.norm_hhf result_ctxt #> protect_prems)
60415
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
   490
    |> Proof_Context.goal_export result_ctxt goal_ctxt
47068
2027ff3136cc tuned signature;
wenzelm
parents: 47065
diff changeset
   491
    |> (fn rules => Seq.lift provide_goal (EVERY (map refine rules) goal) state)
19915
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   492
  end;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   493
46466
61c7214b4885 tuned signature, according to actual usage of these operations;
wenzelm
parents: 45666
diff changeset
   494
end;
61c7214b4885 tuned signature, according to actual usage of these operations;
wenzelm
parents: 45666
diff changeset
   495
6932
77c14313af51 propp: 'concl' patterns;
wenzelm
parents: 6896
diff changeset
   496
49846
8fae089f5a0c refined Proof.the_finished_goal with more informative error;
wenzelm
parents: 49748
diff changeset
   497
(* conclude goal *)
8fae089f5a0c refined Proof.the_finished_goal with more informative error;
wenzelm
parents: 49748
diff changeset
   498
28627
63663cfa297c conclude_goal: precise goal context, include all sorts from context into statement, check shyps of result;
wenzelm
parents: 28458
diff changeset
   499
fun conclude_goal ctxt goal propss =
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   500
  let
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42287
diff changeset
   501
    val thy = Proof_Context.theory_of ctxt;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   502
54981
a128df2f670e explicit check of background theory;
wenzelm
parents: 54742
diff changeset
   503
    val _ =
60948
b710a5087116 prefer theory_id operations;
wenzelm
parents: 60819
diff changeset
   504
      Context.subthy_id (Thm.theory_id_of_thm goal, Context.theory_id thy) orelse
59582
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59573
diff changeset
   505
        error "Bad background theory of goal state";
49860
9a0fe50e4534 further attempts to unify/simplify goal output;
wenzelm
parents: 49859
diff changeset
   506
    val _ = Thm.no_prems goal orelse error (Proof_Display.string_of_goal ctxt goal);
20224
9c40a144ee0e moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents: 20208
diff changeset
   507
61268
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61109
diff changeset
   508
    fun err_lost () = error ("Lost goal structure:\n" ^ Thm.string_of_thm ctxt goal);
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   509
54567
cfe53047dc16 more uniform / rigid checking of Goal.prove_common vs. Proof.conclude_goal -- NB: Goal.prove_common cannot check hyps right now, e.g. due to undeclared Simplifier prems;
wenzelm
parents: 53380
diff changeset
   510
    val th =
60723
757cad5a3fe9 more aggressive compaction of multi-goal proof terms (see also a8babbb6d5ea, 4dd0ba632e40);
wenzelm
parents: 60623
diff changeset
   511
      (Goal.conclude (if length (flat propss) > 1 then Thm.close_derivation goal else goal)
60550
wenzelm
parents: 60469
diff changeset
   512
        handle THM _ => err_lost ())
58950
d07464875dd4 optional proof context for unify operations, for the sake of proper local options;
wenzelm
parents: 58892
diff changeset
   513
      |> Drule.flexflex_unique (SOME ctxt)
61508
2c7e2ae6173d clarified modules;
wenzelm
parents: 61268
diff changeset
   514
      |> Thm.check_shyps ctxt
54993
625370769fc0 check_hyps for attribute application (still inactive, due to non-compliant tools);
wenzelm
parents: 54984
diff changeset
   515
      |> Thm.check_hyps (Context.Proof ctxt);
23418
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   516
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   517
    val goal_propss = filter_out null propss;
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   518
    val results =
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   519
      Conjunction.elim_balanced (length goal_propss) th
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   520
      |> map2 Conjunction.elim_balanced (map length goal_propss)
60550
wenzelm
parents: 60469
diff changeset
   521
      handle THM _ => err_lost ();
58950
d07464875dd4 optional proof context for unify operations, for the sake of proper local options;
wenzelm
parents: 58892
diff changeset
   522
    val _ =
d07464875dd4 optional proof context for unify operations, for the sake of proper local options;
wenzelm
parents: 58892
diff changeset
   523
      Unify.matches_list (Context.Proof ctxt) (flat goal_propss) (map Thm.prop_of (flat results))
61268
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61109
diff changeset
   524
        orelse error ("Proved a different theorem:\n" ^ Thm.string_of_thm ctxt th);
23418
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   525
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   526
    fun recover_result ([] :: pss) thss = [] :: recover_result pss thss
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   527
      | recover_result (_ :: pss) (ths :: thss) = ths :: recover_result pss thss
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   528
      | recover_result [] [] = []
60550
wenzelm
parents: 60469
diff changeset
   529
      | recover_result _ _ = err_lost ();
23418
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   530
  in recover_result propss results end;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   531
49859
52da6a736c32 more informative error messages of initial/terminal proof methods;
wenzelm
parents: 49848
diff changeset
   532
val finished_goal_error = "Failed to finish proof";
52da6a736c32 more informative error messages of initial/terminal proof methods;
wenzelm
parents: 49848
diff changeset
   533
49889
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
   534
fun finished_goal pos state =
49859
52da6a736c32 more informative error messages of initial/terminal proof methods;
wenzelm
parents: 49848
diff changeset
   535
  let val (ctxt, (_, goal)) = get_goal state in
52da6a736c32 more informative error messages of initial/terminal proof methods;
wenzelm
parents: 49848
diff changeset
   536
    if Thm.no_prems goal then Seq.Result state
49889
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
   537
    else
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
   538
      Seq.Error (fn () =>
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
   539
        finished_goal_error ^ Position.here pos ^ ":\n" ^
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
   540
          Proof_Display.string_of_goal ctxt goal)
49859
52da6a736c32 more informative error messages of initial/terminal proof methods;
wenzelm
parents: 49848
diff changeset
   541
  end;
49846
8fae089f5a0c refined Proof.the_finished_goal with more informative error;
wenzelm
parents: 49748
diff changeset
   542
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   543
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
   544
(* 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
   545
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
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
   547
  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
   548
  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
   549
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
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
   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
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
   553
  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
   554
    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
   555
    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
   556
  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
   557
38721
ca8b14fa0d0d added some proof state markup, notably number of subgoals (e.g. for indentation);
wenzelm
parents: 38333
diff changeset
   558
fun status_markup state =
ca8b14fa0d0d added some proof state markup, notably number of subgoals (e.g. for indentation);
wenzelm
parents: 38333
diff changeset
   559
  (case try goal state of
50201
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 49912
diff changeset
   560
    SOME {goal, ...} => 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
   561
  | NONE => Markup.empty);
ca8b14fa0d0d added some proof state markup, notably number of subgoals (e.g. for indentation);
wenzelm
parents: 38333
diff changeset
   562
49866
619acbd72664 more proof method text position information;
wenzelm
parents: 49865
diff changeset
   563
fun method_error kind pos state =
619acbd72664 more proof method text position information;
wenzelm
parents: 49865
diff changeset
   564
  Seq.single (Proof_Display.method_error kind pos (raw_goal state));
49861
4e49ac1c8a6c more informative error for stand-alone 'qed';
wenzelm
parents: 49860
diff changeset
   565
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
   566
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   567
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   568
(*** structured proof commands ***)
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   569
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   570
(** context elements **)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   571
36324
7cd5057a5bb8 removed obsolete/unused Proof.match_bind;
wenzelm
parents: 36323
diff changeset
   572
(* let bindings *)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   573
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   574
local
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   575
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   576
fun gen_bind bind args state =
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   577
  state
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   578
  |> assert_forward
36324
7cd5057a5bb8 removed obsolete/unused Proof.match_bind;
wenzelm
parents: 36323
diff changeset
   579
  |> map_context (bind true args #> snd)
47068
2027ff3136cc tuned signature;
wenzelm
parents: 47065
diff changeset
   580
  |> reset_facts;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   581
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   582
in
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   583
60377
234b7da8542e tuned signature;
wenzelm
parents: 60371
diff changeset
   584
val let_bind = gen_bind Proof_Context.match_bind;
234b7da8542e tuned signature;
wenzelm
parents: 60371
diff changeset
   585
val let_bind_cmd = gen_bind Proof_Context.match_bind_cmd;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   586
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   587
end;
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   588
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   589
36505
79c1d2bbe5a9 ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents: 36354
diff changeset
   590
(* concrete syntax *)
79c1d2bbe5a9 ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents: 36354
diff changeset
   591
79c1d2bbe5a9 ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents: 36354
diff changeset
   592
local
79c1d2bbe5a9 ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents: 36354
diff changeset
   593
36507
c966a1aab860 'write': actually observe the proof structure (like 'let' or 'fix');
wenzelm
parents: 36505
diff changeset
   594
fun gen_write prep_arg mode args =
c966a1aab860 'write': actually observe the proof structure (like 'let' or 'fix');
wenzelm
parents: 36505
diff changeset
   595
  assert_forward
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42287
diff changeset
   596
  #> map_context (fn ctxt => ctxt |> Proof_Context.notation true mode (map (prep_arg ctxt) args))
47068
2027ff3136cc tuned signature;
wenzelm
parents: 47065
diff changeset
   597
  #> reset_facts;
36505
79c1d2bbe5a9 ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents: 36354
diff changeset
   598
55955
e8f1bf005661 eliminated odd type constraint for read_const (see also 79c1d2bbe5a9);
wenzelm
parents: 55954
diff changeset
   599
fun read_arg ctxt (c, mx) =
56002
2028467b4df4 tuned signature;
wenzelm
parents: 55997
diff changeset
   600
  (case Proof_Context.read_const {proper = false, strict = false} ctxt c of
55955
e8f1bf005661 eliminated odd type constraint for read_const (see also 79c1d2bbe5a9);
wenzelm
parents: 55954
diff changeset
   601
    Free (x, _) =>
e8f1bf005661 eliminated odd type constraint for read_const (see also 79c1d2bbe5a9);
wenzelm
parents: 55954
diff changeset
   602
      let val T = Proof_Context.infer_type ctxt (x, Mixfix.mixfixT mx)
e8f1bf005661 eliminated odd type constraint for read_const (see also 79c1d2bbe5a9);
wenzelm
parents: 55954
diff changeset
   603
      in (Free (x, T), mx) end
e8f1bf005661 eliminated odd type constraint for read_const (see also 79c1d2bbe5a9);
wenzelm
parents: 55954
diff changeset
   604
  | t => (t, mx));
e8f1bf005661 eliminated odd type constraint for read_const (see also 79c1d2bbe5a9);
wenzelm
parents: 55954
diff changeset
   605
36505
79c1d2bbe5a9 ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents: 36354
diff changeset
   606
in
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
val write = gen_write (K I);
55955
e8f1bf005661 eliminated odd type constraint for read_const (see also 79c1d2bbe5a9);
wenzelm
parents: 55954
diff changeset
   609
val write_cmd = gen_write read_arg;
36505
79c1d2bbe5a9 ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents: 36354
diff changeset
   610
79c1d2bbe5a9 ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents: 36354
diff changeset
   611
end;
79c1d2bbe5a9 ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents: 36354
diff changeset
   612
79c1d2bbe5a9 ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents: 36354
diff changeset
   613
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   614
(* fix *)
9196
1f6f66fe777a facts: handle multiple lists of arguments;
wenzelm
parents: 8991
diff changeset
   615
12714
61af28328417 have_thmss vs. have_thmss_i;
wenzelm
parents: 12703
diff changeset
   616
local
61af28328417 have_thmss vs. have_thmss_i;
wenzelm
parents: 12703
diff changeset
   617
60469
d1ea37df7358 tuned signature;
wenzelm
parents: 60461
diff changeset
   618
fun gen_fix add_fixes raw_fixes =
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   619
  assert_forward
60469
d1ea37df7358 tuned signature;
wenzelm
parents: 60461
diff changeset
   620
  #> map_context (snd o add_fixes raw_fixes)
47068
2027ff3136cc tuned signature;
wenzelm
parents: 47065
diff changeset
   621
  #> reset_facts;
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
in
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   624
60469
d1ea37df7358 tuned signature;
wenzelm
parents: 60461
diff changeset
   625
val fix = gen_fix Proof_Context.add_fixes;
d1ea37df7358 tuned signature;
wenzelm
parents: 60461
diff changeset
   626
val fix_cmd = gen_fix Proof_Context.add_fixes_cmd;
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
end;
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   629
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   630
61654
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   631
(* structured clause *)
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   632
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   633
fun export_binds ctxt' ctxt binds =
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   634
  let
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   635
    val rhss =
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   636
      map (the_list o snd) binds
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   637
      |> burrow (Variable.export_terms ctxt' ctxt)
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   638
      |> map (try the_single);
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   639
  in map fst binds ~~ rhss end;
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   640
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   641
fun prep_clause prep_var prep_propp raw_fixes raw_assumes raw_shows ctxt =
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   642
  let
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   643
    (*fixed variables*)
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   644
    val ((xs', vars), fix_ctxt) = ctxt
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   645
      |> fold_map prep_var raw_fixes
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   646
      |-> (fn vars => Proof_Context.add_fixes vars ##>> pair vars);
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   647
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   648
    (*propositions with term bindings*)
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   649
    val (all_propss, binds) = prep_propp fix_ctxt (raw_assumes @ raw_shows);
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   650
    val (assumes_propss, shows_propss) = chop (length raw_assumes) all_propss;
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   651
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   652
    (*params*)
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   653
    val (ps, params_ctxt) = fix_ctxt
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   654
      |> (fold o fold) Variable.declare_term all_propss
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   655
      |> fold Variable.bind_term binds
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   656
      |> fold_map Proof_Context.inferred_param xs';
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   657
    val xs = map (Variable.check_name o #1) vars;
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   658
    val params = xs ~~ map Free ps;
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   659
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   660
    val _ = Variable.warn_extra_tfrees fix_ctxt params_ctxt;
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   661
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   662
    (*result term bindings*)
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   663
    val shows_props = flat shows_propss;
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   664
    val binds' =
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   665
      (case try List.last shows_props of
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   666
        NONE => []
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   667
      | SOME prop => map (apsnd (SOME o Auto_Bind.abs_params prop)) binds);
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   668
    val result_binds =
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   669
      (Auto_Bind.facts params_ctxt shows_props @ binds')
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   670
      |> (map o apsnd o Option.map) (fold_rev Term.dependent_lambda_name params)
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   671
      |> export_binds params_ctxt ctxt;
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   672
  in ((params, assumes_propss, shows_propss, result_binds), params_ctxt) end;
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   673
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   674
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   675
(* assume *)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   676
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   677
local
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   678
61654
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   679
fun gen_assume prep_var prep_propp prep_att export raw_fixes raw_prems raw_concls state =
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   680
  let
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   681
    val ctxt = context_of state;
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   682
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   683
    val bindings = map (apsnd (map (prep_att ctxt)) o fst) raw_concls;
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   684
    val (params, prems_propss, concl_propss, result_binds) =
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   685
      #1 (prep_clause prep_var prep_propp raw_fixes raw_prems (map snd raw_concls) ctxt);
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   686
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   687
    fun close prop =
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   688
      fold_rev Logic.all_name params (Logic.list_implies (flat prems_propss, prop));
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   689
    val propss = (map o map) close concl_propss;
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   690
  in
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   691
    state
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   692
    |> assert_forward
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   693
    |> map_context_result (fn ctxt =>
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   694
      ctxt
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   695
      |> (fold o fold) Variable.declare_term propss
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   696
      |> fold Variable.maybe_bind_term result_binds
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   697
      |> fold_burrow (Assumption.add_assms export o map (Thm.cterm_of ctxt)) propss
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   698
      |-> (fn premss =>
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   699
        Proof_Context.note_thmss "" (bindings ~~ (map o map) (fn th => ([th], [])) premss)))
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   700
    |> these_factss [] |> #2
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   701
  end;
6932
77c14313af51 propp: 'concl' patterns;
wenzelm
parents: 6896
diff changeset
   702
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   703
in
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   704
61654
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   705
val assm = gen_assume Proof_Context.cert_var Proof_Context.cert_propp (K I);
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   706
val assm_cmd = gen_assume Proof_Context.read_var Proof_Context.read_propp Attrib.attribute_cmd;
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   707
36323
655e2d74de3a modernized naming conventions of main Isar proof elements;
wenzelm
parents: 36322
diff changeset
   708
val assume = assm Assumption.assume_export;
655e2d74de3a modernized naming conventions of main Isar proof elements;
wenzelm
parents: 36322
diff changeset
   709
val assume_cmd = assm_cmd Assumption.assume_export;
61654
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   710
36323
655e2d74de3a modernized naming conventions of main Isar proof elements;
wenzelm
parents: 36322
diff changeset
   711
val presume = assm Assumption.presume_export;
655e2d74de3a modernized naming conventions of main Isar proof elements;
wenzelm
parents: 36322
diff changeset
   712
val presume_cmd = assm_cmd Assumption.presume_export;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   713
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   714
end;
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   715
7271
442456b2a8bb assume: multiple args;
wenzelm
parents: 7201
diff changeset
   716
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   717
(* def *)
11891
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   718
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   719
local
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   720
60379
51d9dcd71ad7 tuned signature;
wenzelm
parents: 60377
diff changeset
   721
fun gen_def prep_att prep_var prep_binds args state =
11891
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   722
  let
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   723
    val _ = assert_forward state;
20913
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   724
    val (raw_name_atts, (raw_vars, raw_rhss)) = args |> split_list ||> split_list;
47815
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   725
    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
   726
  in
20913
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   727
    state
60379
51d9dcd71ad7 tuned signature;
wenzelm
parents: 60377
diff changeset
   728
    |> map_context_result (fold_map (fn (x, mx) => prep_var (x, NONE, mx)) raw_vars)
20913
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   729
    |>> map (fn (x, _, mx) => (x, mx))
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   730
    |-> (fn vars =>
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   731
      map_context_result (prep_binds false (map swap raw_rhss))
49748
a346daa8a1f4 clarified Local_Defs.add_def(s): refrain from hard-wiring Thm.def_binding_optional;
wenzelm
parents: 49063
diff changeset
   732
      #-> (fn rhss =>
a346daa8a1f4 clarified Local_Defs.add_def(s): refrain from hard-wiring Thm.def_binding_optional;
wenzelm
parents: 49063
diff changeset
   733
        let
a346daa8a1f4 clarified Local_Defs.add_def(s): refrain from hard-wiring Thm.def_binding_optional;
wenzelm
parents: 49063
diff changeset
   734
          val defs = (vars ~~ (name_atts ~~ rhss)) |> map (fn ((x, mx), ((a, atts), rhs)) =>
a346daa8a1f4 clarified Local_Defs.add_def(s): refrain from hard-wiring Thm.def_binding_optional;
wenzelm
parents: 49063
diff changeset
   735
            ((x, mx), ((Thm.def_binding_optional x a, atts), rhs)));
a346daa8a1f4 clarified Local_Defs.add_def(s): refrain from hard-wiring Thm.def_binding_optional;
wenzelm
parents: 49063
diff changeset
   736
        in map_context_result (Local_Defs.add_defs defs) end))
47068
2027ff3136cc tuned signature;
wenzelm
parents: 47065
diff changeset
   737
    |-> (set_facts o map (#2 o #2))
11891
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   738
  end;
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   739
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   740
in
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   741
60379
51d9dcd71ad7 tuned signature;
wenzelm
parents: 60377
diff changeset
   742
val def = gen_def (K I) Proof_Context.cert_var Proof_Context.match_bind;
51d9dcd71ad7 tuned signature;
wenzelm
parents: 60377
diff changeset
   743
val def_cmd = gen_def Attrib.attribute_cmd Proof_Context.read_var Proof_Context.match_bind_cmd;
11891
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   744
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   745
end;
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   746
11891
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   747
8374
ffb2eb084078 generalized FINDGOAL, HEADGOAL;
wenzelm
parents: 8239
diff changeset
   748
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   749
(** facts **)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   750
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   751
(* chain *)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   752
24011
8f2703c02241 chain/using: filter out dummy_thm;
wenzelm
parents: 23963
diff changeset
   753
fun clean_facts ctxt =
47068
2027ff3136cc tuned signature;
wenzelm
parents: 47065
diff changeset
   754
  set_facts (filter_out Thm.is_dummy (the_facts ctxt)) ctxt;
24011
8f2703c02241 chain/using: filter out dummy_thm;
wenzelm
parents: 23963
diff changeset
   755
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   756
val chain =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   757
  assert_forward
24011
8f2703c02241 chain/using: filter out dummy_thm;
wenzelm
parents: 23963
diff changeset
   758
  #> clean_facts
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   759
  #> enter_chain;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   760
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   761
fun chain_facts facts =
47068
2027ff3136cc tuned signature;
wenzelm
parents: 47065
diff changeset
   762
  set_facts facts
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   763
  #> chain;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   764
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   765
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   766
(* note etc. *)
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   767
28965
1de908189869 cleaned up binding module and related code
haftmann
parents: 28627
diff changeset
   768
fun no_binding args = map (pair (Binding.empty, [])) args;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   769
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   770
local
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   771
30760
0fffc66b10d7 simplified references to facts, eliminated external note_thmss;
wenzelm
parents: 30757
diff changeset
   772
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
   773
  state
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   774
  |> assert_forward
47815
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   775
  |> map_context_result (fn ctxt => ctxt |> Proof_Context.note_thmss ""
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   776
    (Attrib.map_facts_refs (map (prep_atts ctxt)) (prep_fact ctxt) args))
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   777
  |> these_factss (more_facts state)
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   778
  ||> opt_chain
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   779
  |> opt_result;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   780
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   781
in
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   782
36323
655e2d74de3a modernized naming conventions of main Isar proof elements;
wenzelm
parents: 36322
diff changeset
   783
val note_thmss = gen_thmss (K []) I #2 (K I) (K I);
47815
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   784
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
   785
36323
655e2d74de3a modernized naming conventions of main Isar proof elements;
wenzelm
parents: 36322
diff changeset
   786
val from_thmss = gen_thmss (K []) chain #2 (K I) (K I) o no_binding;
47815
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   787
val from_thmss_cmd =
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   788
  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
   789
36323
655e2d74de3a modernized naming conventions of main Isar proof elements;
wenzelm
parents: 36322
diff changeset
   790
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
   791
val with_thmss_cmd =
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   792
  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
   793
0fffc66b10d7 simplified references to facts, eliminated external note_thmss;
wenzelm
parents: 30757
diff changeset
   794
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
   795
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   796
end;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   797
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   798
60371
8a5cfdda1b98 added Isar command 'supply';
wenzelm
parents: 60369
diff changeset
   799
(* facts during goal refinement *)
8a5cfdda1b98 added Isar command 'supply';
wenzelm
parents: 60369
diff changeset
   800
8a5cfdda1b98 added Isar command 'supply';
wenzelm
parents: 60369
diff changeset
   801
local
8a5cfdda1b98 added Isar command 'supply';
wenzelm
parents: 60369
diff changeset
   802
8a5cfdda1b98 added Isar command 'supply';
wenzelm
parents: 60369
diff changeset
   803
fun gen_supply prep_att prep_fact args state =
8a5cfdda1b98 added Isar command 'supply';
wenzelm
parents: 60369
diff changeset
   804
  state
8a5cfdda1b98 added Isar command 'supply';
wenzelm
parents: 60369
diff changeset
   805
  |> assert_backward
8a5cfdda1b98 added Isar command 'supply';
wenzelm
parents: 60369
diff changeset
   806
  |> map_context (fn ctxt => ctxt |> Proof_Context.note_thmss ""
8a5cfdda1b98 added Isar command 'supply';
wenzelm
parents: 60369
diff changeset
   807
       (Attrib.map_facts_refs (map (prep_att ctxt)) (prep_fact ctxt) args) |> snd);
8a5cfdda1b98 added Isar command 'supply';
wenzelm
parents: 60369
diff changeset
   808
8a5cfdda1b98 added Isar command 'supply';
wenzelm
parents: 60369
diff changeset
   809
in
8a5cfdda1b98 added Isar command 'supply';
wenzelm
parents: 60369
diff changeset
   810
8a5cfdda1b98 added Isar command 'supply';
wenzelm
parents: 60369
diff changeset
   811
val supply = gen_supply (K I) (K I);
8a5cfdda1b98 added Isar command 'supply';
wenzelm
parents: 60369
diff changeset
   812
val supply_cmd = gen_supply Attrib.attribute_cmd Proof_Context.get_fact;
8a5cfdda1b98 added Isar command 'supply';
wenzelm
parents: 60369
diff changeset
   813
8a5cfdda1b98 added Isar command 'supply';
wenzelm
parents: 60369
diff changeset
   814
end;
8a5cfdda1b98 added Isar command 'supply';
wenzelm
parents: 60369
diff changeset
   815
8a5cfdda1b98 added Isar command 'supply';
wenzelm
parents: 60369
diff changeset
   816
18548
cb8e8fb9e52d added unfolding(_i);
wenzelm
parents: 18503
diff changeset
   817
(* using/unfolding *)
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   818
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   819
local
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   820
45390
e29521ef9059 tuned signature -- avoid spurious Thm.mixed_attribute;
wenzelm
parents: 45327
diff changeset
   821
fun gen_using f g prep_att prep_fact args state =
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   822
  state
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   823
  |> assert_backward
21442
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   824
  |> map_context_result
47815
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   825
    (fn ctxt => ctxt |> Proof_Context.note_thmss ""
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   826
      (Attrib.map_facts_refs (map (prep_att ctxt)) (prep_fact ctxt) (no_binding args)))
18843
23db974a0575 'unfolding': LocalDefs.unfold;
wenzelm
parents: 18826
diff changeset
   827
  |> (fn (named_facts, state') =>
60611
27255d1fbe1a clarified map_node: operate precisely on goal context and goal info (see also 2b8342b0d98c);
wenzelm
parents: 60595
diff changeset
   828
    state' |> map_goal (fn (goal_ctxt, statement, using, goal, before_qed, after_qed) =>
18843
23db974a0575 'unfolding': LocalDefs.unfold;
wenzelm
parents: 18826
diff changeset
   829
      let
23db974a0575 'unfolding': LocalDefs.unfold;
wenzelm
parents: 18826
diff changeset
   830
        val ctxt = context_of state';
19482
9f11af8f7ef9 tuned basic list operators (flat, maps, map_filter);
wenzelm
parents: 19475
diff changeset
   831
        val ths = maps snd named_facts;
60611
27255d1fbe1a clarified map_node: operate precisely on goal context and goal info (see also 2b8342b0d98c);
wenzelm
parents: 60595
diff changeset
   832
      in (goal_ctxt, statement, f ctxt ths using, g ctxt ths goal, before_qed, after_qed) end));
18548
cb8e8fb9e52d added unfolding(_i);
wenzelm
parents: 18503
diff changeset
   833
24050
248da5f0e735 renamed Drule.is_dummy_thm to Thm.is_dummy;
wenzelm
parents: 24011
diff changeset
   834
fun append_using _ ths using = using @ filter_out Thm.is_dummy ths;
35624
c4e29a0bb8c1 modernized structure Local_Defs;
wenzelm
parents: 34916
diff changeset
   835
fun unfold_using ctxt ths = map (Local_Defs.unfold ctxt ths);
c4e29a0bb8c1 modernized structure Local_Defs;
wenzelm
parents: 34916
diff changeset
   836
val unfold_goals = Local_Defs.unfold_goals;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   837
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   838
in
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   839
36323
655e2d74de3a modernized naming conventions of main Isar proof elements;
wenzelm
parents: 36322
diff changeset
   840
val using = gen_using append_using (K (K I)) (K I) (K I);
47815
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   841
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
   842
val unfolding = gen_using unfold_using unfold_goals (K I) (K I);
47815
43f677b3ae91 clarified signature;
wenzelm
parents: 47431
diff changeset
   843
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
   844
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   845
end;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   846
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   847
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   848
(* case *)
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   849
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   850
local
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   851
60565
b7ee41f72add clarified 'case' command;
wenzelm
parents: 60555
diff changeset
   852
fun gen_case internal prep_att ((raw_binding, raw_atts), ((name, pos), xs)) state =
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   853
  let
60565
b7ee41f72add clarified 'case' command;
wenzelm
parents: 60555
diff changeset
   854
    val ctxt = context_of state;
b7ee41f72add clarified 'case' command;
wenzelm
parents: 60555
diff changeset
   855
b7ee41f72add clarified 'case' command;
wenzelm
parents: 60555
diff changeset
   856
    val binding = if Binding.is_empty raw_binding then Binding.make (name, pos) else raw_binding;
b7ee41f72add clarified 'case' command;
wenzelm
parents: 60555
diff changeset
   857
    val atts = map (prep_att ctxt) raw_atts;
b7ee41f72add clarified 'case' command;
wenzelm
parents: 60555
diff changeset
   858
19078
97971a84f0c7 added put_thms_internal;
wenzelm
parents: 19000
diff changeset
   859
    val (asms, state') = state |> map_context_result (fn ctxt =>
57486
2131b6633529 check 'case' variable bindings as for 'fix', which means internal names are rejected as usual;
wenzelm
parents: 56933
diff changeset
   860
      ctxt |> Proof_Context.apply_case (Proof_Context.check_case ctxt internal (name, pos) xs));
53380
08f3491c50bf cases: formal binding of 'assumes', with position provided via invoke_case;
wenzelm
parents: 53378
diff changeset
   861
    val assumptions =
60565
b7ee41f72add clarified 'case' command;
wenzelm
parents: 60555
diff changeset
   862
      asms |> map (fn (a, ts) => ((Binding.qualified true a binding, []), map (rpair []) ts));
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   863
  in
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   864
    state'
61654
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
   865
    |> assume [] [] assumptions
60401
16cf5090d3a6 clarified term bindings;
wenzelm
parents: 60388
diff changeset
   866
    |> map_context (fold Variable.unbind_term Auto_Bind.no_facts)
60565
b7ee41f72add clarified 'case' command;
wenzelm
parents: 60555
diff changeset
   867
    |> `the_facts |-> (fn thms => note_thmss [((binding, atts), [(thms, [])])])
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   868
  end;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   869
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   870
in
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   871
60565
b7ee41f72add clarified 'case' command;
wenzelm
parents: 60555
diff changeset
   872
val case_ = gen_case true (K I);
b7ee41f72add clarified 'case' command;
wenzelm
parents: 60555
diff changeset
   873
val case_cmd = gen_case false Attrib.attribute_cmd;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   874
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   875
end;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   876
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   877
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   878
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   879
(** proof structure **)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   880
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   881
(* blocks *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   882
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   883
val begin_block =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   884
  assert_forward
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   885
  #> open_block
47068
2027ff3136cc tuned signature;
wenzelm
parents: 47065
diff changeset
   886
  #> reset_goal
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   887
  #> open_block;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   888
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   889
val next_block =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   890
  assert_forward
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   891
  #> close_block
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   892
  #> open_block
47068
2027ff3136cc tuned signature;
wenzelm
parents: 47065
diff changeset
   893
  #> reset_goal
2027ff3136cc tuned signature;
wenzelm
parents: 47065
diff changeset
   894
  #> reset_facts;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   895
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   896
fun end_block state =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   897
  state
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   898
  |> assert_forward
40960
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   899
  |> assert_bottom false
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   900
  |> close_block
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   901
  |> assert_current_goal false
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   902
  |> close_block
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   903
  |> export_facts state;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   904
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   905
40960
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   906
(* global notepad *)
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   907
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   908
val begin_notepad =
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   909
  init
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   910
  #> open_block
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   911
  #> map_context (Variable.set_body true)
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   912
  #> open_block;
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   913
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   914
val end_notepad =
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   915
  assert_forward
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   916
  #> assert_bottom true
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   917
  #> close_block
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   918
  #> assert_current_goal false
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   919
  #> close_block
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   920
  #> context_of;
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   921
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40642
diff changeset
   922
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   923
(* sub-proofs *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   924
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   925
fun proof opt_text =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   926
  assert_backward
60618
4c79543cc376 renamed "default" to "standard", to make semantically clear what it is;
wenzelm
parents: 60611
diff changeset
   927
  #> refine (the_default Method.standard_text opt_text)
60551
2b8342b0d98c clarified nesting of Isar goal structure;
wenzelm
parents: 60550
diff changeset
   928
  #> Seq.map
2b8342b0d98c clarified nesting of Isar goal structure;
wenzelm
parents: 60550
diff changeset
   929
    (using_facts []
2b8342b0d98c clarified nesting of Isar goal structure;
wenzelm
parents: 60550
diff changeset
   930
      #> enter_forward
2b8342b0d98c clarified nesting of Isar goal structure;
wenzelm
parents: 60550
diff changeset
   931
      #> open_block
2b8342b0d98c clarified nesting of Isar goal structure;
wenzelm
parents: 60550
diff changeset
   932
      #> reset_goal);
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   933
49866
619acbd72664 more proof method text position information;
wenzelm
parents: 49865
diff changeset
   934
fun proof_results arg =
619acbd72664 more proof method text position information;
wenzelm
parents: 49865
diff changeset
   935
  Seq.APPEND (proof (Method.text arg) #> Seq.make_results,
619acbd72664 more proof method text position information;
wenzelm
parents: 49865
diff changeset
   936
    method_error "initial" (Method.position arg));
49863
b5fb6e7f8d81 more informative errors for 'proof' and 'apply' steps;
wenzelm
parents: 49861
diff changeset
   937
49889
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
   938
fun end_proof bot (prev_pos, (opt_text, immed)) =
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
   939
  let
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
   940
    val (finish_text, terminal_pos, finished_pos) =
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
   941
      (case opt_text of
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
   942
        NONE => (Method.finish_text (NONE, immed), Position.none, prev_pos)
55709
4e5a83a46ded clarified Token.range_of in accordance to Symbol_Pos.range;
wenzelm
parents: 54993
diff changeset
   943
      | SOME (text, (pos, end_pos)) => (Method.finish_text (SOME text, immed), pos, end_pos));
49889
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
   944
  in
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
   945
    Seq.APPEND (fn state =>
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
   946
      state
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
   947
      |> assert_forward
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
   948
      |> assert_bottom bot
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
   949
      |> close_block
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
   950
      |> assert_current_goal true
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
   951
      |> using_facts []
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
   952
      |> `before_qed |-> (refine o the_default Method.succeed_text)
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
   953
      |> Seq.maps (refine finish_text)
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
   954
      |> Seq.make_results, method_error "terminal" terminal_pos)
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
   955
    #> Seq.maps_results (Seq.single o finished_goal finished_pos)
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
   956
  end;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   957
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   958
fun check_result msg sq =
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   959
  (case Seq.pull sq of
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   960
    NONE => error msg
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   961
  | SOME (s, _) => s);
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
   962
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   963
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   964
(* unstructured refinement *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   965
49865
eeaf1ec7eac2 clarified defer/prefer: more specific errors;
wenzelm
parents: 49863
diff changeset
   966
fun defer i =
eeaf1ec7eac2 clarified defer/prefer: more specific errors;
wenzelm
parents: 49863
diff changeset
   967
  assert_no_chain #>
eeaf1ec7eac2 clarified defer/prefer: more specific errors;
wenzelm
parents: 49863
diff changeset
   968
  refine (Method.Basic (fn _ => METHOD (fn _ => ASSERT_SUBGOAL defer_tac i))) #> Seq.hd;
eeaf1ec7eac2 clarified defer/prefer: more specific errors;
wenzelm
parents: 49863
diff changeset
   969
eeaf1ec7eac2 clarified defer/prefer: more specific errors;
wenzelm
parents: 49863
diff changeset
   970
fun prefer i =
eeaf1ec7eac2 clarified defer/prefer: more specific errors;
wenzelm
parents: 49863
diff changeset
   971
  assert_no_chain #>
eeaf1ec7eac2 clarified defer/prefer: more specific errors;
wenzelm
parents: 49863
diff changeset
   972
  refine (Method.Basic (fn _ => METHOD (fn _ => ASSERT_SUBGOAL prefer_tac i))) #> Seq.hd;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   973
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   974
fun apply text = assert_backward #> refine text #> Seq.map (using_facts []);
49866
619acbd72664 more proof method text position information;
wenzelm
parents: 49865
diff changeset
   975
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   976
fun apply_end text = assert_forward #> refine_end text;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   977
55709
4e5a83a46ded clarified Token.range_of in accordance to Symbol_Pos.range;
wenzelm
parents: 54993
diff changeset
   978
fun apply_results (text, (pos, _)) =
4e5a83a46ded clarified Token.range_of in accordance to Symbol_Pos.range;
wenzelm
parents: 54993
diff changeset
   979
  Seq.APPEND (apply text #> Seq.make_results, method_error "" pos);
49866
619acbd72664 more proof method text position information;
wenzelm
parents: 49865
diff changeset
   980
55709
4e5a83a46ded clarified Token.range_of in accordance to Symbol_Pos.range;
wenzelm
parents: 54993
diff changeset
   981
fun apply_end_results (text, (pos, _)) =
4e5a83a46ded clarified Token.range_of in accordance to Symbol_Pos.range;
wenzelm
parents: 54993
diff changeset
   982
  Seq.APPEND (apply_end text #> Seq.make_results, method_error "" pos);
49863
b5fb6e7f8d81 more informative errors for 'proof' and 'apply' steps;
wenzelm
parents: 49861
diff changeset
   983
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   984
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   985
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   986
(** goals **)
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   987
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   988
(* generic goals *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   989
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   990
local
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   991
36322
81cba3921ba5 goals: simplified handling of implicit variables -- removed obsolete warning;
wenzelm
parents: 35624
diff changeset
   992
val is_var =
81cba3921ba5 goals: simplified handling of implicit variables -- removed obsolete warning;
wenzelm
parents: 35624
diff changeset
   993
  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
   994
  can (dest_Var o Logic.dest_term);
81cba3921ba5 goals: simplified handling of implicit variables -- removed obsolete warning;
wenzelm
parents: 35624
diff changeset
   995
81cba3921ba5 goals: simplified handling of implicit variables -- removed obsolete warning;
wenzelm
parents: 35624
diff changeset
   996
fun implicit_vars props =
19846
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   997
  let
36354
bbd742107f56 eliminanated some unreferenced identifiers;
wenzelm
parents: 36324
diff changeset
   998
    val (var_props, _) = take_prefix is_var props;
36322
81cba3921ba5 goals: simplified handling of implicit variables -- removed obsolete warning;
wenzelm
parents: 35624
diff changeset
   999
    val explicit_vars = fold Term.add_vars var_props [];
81cba3921ba5 goals: simplified handling of implicit variables -- removed obsolete warning;
wenzelm
parents: 35624
diff changeset
  1000
    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
  1001
  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
  1002
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
  1003
fun refine_terms n =
59953
3d207f8f40dd tuned signature;
wenzelm
parents: 59621
diff changeset
  1004
  refine (Method.Basic (fn ctxt => EMPTY_CASES o
58002
0ed1e999a0fb simplified type Proof.method;
wenzelm
parents: 57486
diff changeset
  1005
    K (HEADGOAL (PRECISE_CONJUNCTS n
59498
50b60f501b05 proper context for resolve_tac, eresolve_tac, dresolve_tac, forward_tac etc.;
wenzelm
parents: 59185
diff changeset
  1006
      (HEADGOAL (CONJUNCTS (ALLGOALS (resolve_tac ctxt [Drule.termI]))))))))
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
  1007
  #> Seq.hd;
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
  1008
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
  1009
in
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1010
60415
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1011
fun generic_goal kind before_qed after_qed goal_ctxt goal_propss result_binds state =
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
  1012
  let
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1013
    val chaining = can assert_chain state;
25958
bcedde463850 statement: keep explicit position;
wenzelm
parents: 25227
diff changeset
  1014
    val pos = Position.thread_data ();
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1015
60415
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1016
    val goal_props = flat goal_propss;
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1017
    val vars = implicit_vars goal_props;
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1018
    val propss' = vars :: goal_propss;
23418
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
  1019
    val goal_propss = filter_out null propss';
60551
2b8342b0d98c clarified nesting of Isar goal structure;
wenzelm
parents: 60550
diff changeset
  1020
29346
fe6843aa4f5f more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents: 29090
diff changeset
  1021
    val goal =
59616
eb59c6968219 tuned -- more explicit use of context;
wenzelm
parents: 59582
diff changeset
  1022
      Logic.mk_conjunction_balanced (map Logic.mk_conjunction_balanced goal_propss)
60406
12cc54fac9b0 allow for_fixes for 'have', 'show' etc.;
wenzelm
parents: 60403
diff changeset
  1023
      |> Thm.cterm_of goal_ctxt
61508
2c7e2ae6173d clarified modules;
wenzelm
parents: 61268
diff changeset
  1024
      |> Thm.weaken_sorts' goal_ctxt;
60415
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1025
    val statement = ((kind, pos), propss', Thm.term_of goal);
60402
wenzelm
parents: 60401
diff changeset
  1026
60383
70b0362c784d tuned signature;
wenzelm
parents: 60381
diff changeset
  1027
    val after_qed' = after_qed |>> (fn after_local => fn results =>
60408
1fd46ced2fa8 more uniform treatment of auto bindings vs. explicit user bindings;
wenzelm
parents: 60407
diff changeset
  1028
      map_context (fold Variable.maybe_bind_term result_binds) #> after_local results);
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
  1029
  in
60551
2b8342b0d98c clarified nesting of Isar goal structure;
wenzelm
parents: 60550
diff changeset
  1030
    state
2b8342b0d98c clarified nesting of Isar goal structure;
wenzelm
parents: 60550
diff changeset
  1031
    |> assert_forward_or_chain
2b8342b0d98c clarified nesting of Isar goal structure;
wenzelm
parents: 60550
diff changeset
  1032
    |> enter_forward
2b8342b0d98c clarified nesting of Isar goal structure;
wenzelm
parents: 60550
diff changeset
  1033
    |> open_block
2b8342b0d98c clarified nesting of Isar goal structure;
wenzelm
parents: 60550
diff changeset
  1034
    |> enter_backward
2b8342b0d98c clarified nesting of Isar goal structure;
wenzelm
parents: 60550
diff changeset
  1035
    |> map_context
2b8342b0d98c clarified nesting of Isar goal structure;
wenzelm
parents: 60550
diff changeset
  1036
      (K goal_ctxt
2b8342b0d98c clarified nesting of Isar goal structure;
wenzelm
parents: 60550
diff changeset
  1037
        #> init_context
2b8342b0d98c clarified nesting of Isar goal structure;
wenzelm
parents: 60550
diff changeset
  1038
        #> Variable.set_body true
2b8342b0d98c clarified nesting of Isar goal structure;
wenzelm
parents: 60550
diff changeset
  1039
        #> Proof_Context.auto_bind_goal goal_props)
58892
20aa19ecf2cc eliminated obsolete Proof.goal_message -- print outcome more directly;
wenzelm
parents: 58837
diff changeset
  1040
    |> set_goal (make_goal (statement, [], Goal.init goal, before_qed, after_qed'))
21565
bd28361f4c5b simplified '?' operator;
wenzelm
parents: 21466
diff changeset
  1041
    |> chaining ? (`the_facts #-> using_facts)
47068
2027ff3136cc tuned signature;
wenzelm
parents: 47065
diff changeset
  1042
    |> reset_facts
23418
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
  1043
    |> not (null vars) ? refine_terms (length goal_propss)
60415
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1044
    |> null goal_props ? (refine (Method.Basic Method.assumption) #> Seq.hd)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
  1045
  end;
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
  1046
60408
1fd46ced2fa8 more uniform treatment of auto bindings vs. explicit user bindings;
wenzelm
parents: 60407
diff changeset
  1047
fun generic_qed state =
60409
240ad53041c9 prevent export of future result -- avoid interference with goal fixes;
wenzelm
parents: 60408
diff changeset
  1048
  let
60415
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1049
    val (goal_ctxt, {statement = (_, propss, _), goal, after_qed, ...}) =
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1050
      current_goal state;
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1051
    val results = tl (conclude_goal goal_ctxt goal propss);
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1052
  in state |> close_block |> pair (after_qed, (goal_ctxt, results)) end;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1053
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
  1054
end;
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
  1055
9469
8058d285b1cd export RANGE, hard_asm_tac, soft_asm_tac;
wenzelm
parents: 9292
diff changeset
  1056
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1057
(* local goals *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1058
60555
51a6997b1384 support 'when' statement, which corresponds to 'presume';
wenzelm
parents: 60551
diff changeset
  1059
fun local_goal print_results prep_att prep_propp prep_var strict_asm
60414
f25f2f2ba48c support for "if prems" in local goal statements;
wenzelm
parents: 60411
diff changeset
  1060
    kind before_qed after_qed raw_fixes raw_assumes raw_shows state =
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1061
  let
60415
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1062
    val ctxt = context_of state;
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1063
60555
51a6997b1384 support 'when' statement, which corresponds to 'presume';
wenzelm
parents: 60551
diff changeset
  1064
    val add_assumes =
51a6997b1384 support 'when' statement, which corresponds to 'presume';
wenzelm
parents: 60551
diff changeset
  1065
      Assumption.add_assms
51a6997b1384 support 'when' statement, which corresponds to 'presume';
wenzelm
parents: 60551
diff changeset
  1066
        (if strict_asm then Assumption.assume_export else Assumption.presume_export);
61654
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
  1067
60414
f25f2f2ba48c support for "if prems" in local goal statements;
wenzelm
parents: 60411
diff changeset
  1068
    val (assumes_bindings, shows_bindings) =
60415
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1069
      apply2 (map (apsnd (map (prep_att ctxt)) o fst)) (raw_assumes, raw_shows);
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1070
61654
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
  1071
    val ((params, assumes_propss, shows_propss, result_binds), params_ctxt) = ctxt
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
  1072
      |> prep_clause prep_var prep_propp raw_fixes (map snd raw_assumes) (map snd raw_shows);
60406
12cc54fac9b0 allow for_fixes for 'have', 'show' etc.;
wenzelm
parents: 60403
diff changeset
  1073
61654
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
  1074
    val (that_fact, goal_ctxt) = params_ctxt
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
  1075
      |> fold_burrow add_assumes ((map o map) (Thm.cterm_of params_ctxt) assumes_propss)
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
  1076
      |> (fn (premss, ctxt') =>
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
  1077
          let
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
  1078
            val prems = Assumption.local_prems_of ctxt' ctxt;
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
  1079
            val ctxt'' =
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
  1080
              ctxt'
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
  1081
              |> not (null assumes_propss) ?
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
  1082
                (snd o Proof_Context.note_thmss ""
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
  1083
                  [((Binding.name Auto_Bind.thatN, []), [(prems, [])])])
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
  1084
              |> (snd o Proof_Context.note_thmss ""
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
  1085
                  (assumes_bindings ~~ map (map (fn th => ([th], []))) premss))
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
  1086
          in (prems, ctxt'') end);
60402
wenzelm
parents: 60401
diff changeset
  1087
60415
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1088
    fun after_qed' (result_ctxt, results) state' = state'
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1089
      |> local_results (shows_bindings ~~ burrow (Proof_Context.export result_ctxt ctxt) results)
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1090
      |-> (fn res => tap (fn st => print_results (context_of st) ((kind, ""), res) : unit))
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1091
      |> after_qed (result_ctxt, results);
60461
22995ec9fefd tuned signature;
wenzelm
parents: 60449
diff changeset
  1092
  in
22995ec9fefd tuned signature;
wenzelm
parents: 60449
diff changeset
  1093
    state
61654
4a28eec739e9 support for structure statements in 'assume', 'presume';
wenzelm
parents: 61508
diff changeset
  1094
    |> generic_goal kind before_qed (after_qed', K I) goal_ctxt shows_propss result_binds
60461
22995ec9fefd tuned signature;
wenzelm
parents: 60449
diff changeset
  1095
    |> pair that_fact
22995ec9fefd tuned signature;
wenzelm
parents: 60449
diff changeset
  1096
  end;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
  1097
49866
619acbd72664 more proof method text position information;
wenzelm
parents: 49865
diff changeset
  1098
fun local_qeds arg =
619acbd72664 more proof method text position information;
wenzelm
parents: 49865
diff changeset
  1099
  end_proof false arg
60408
1fd46ced2fa8 more uniform treatment of auto bindings vs. explicit user bindings;
wenzelm
parents: 60407
diff changeset
  1100
  #> Seq.map_result (generic_qed #-> (fn ((after_qed, _), results) => after_qed results));
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
  1101
49889
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
  1102
fun local_qed arg =
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
  1103
  local_qeds (Position.none, arg) #> Seq.the_result finished_goal_error;
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
  1104
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
  1105
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1106
(* global goals *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1107
60415
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1108
fun global_goal prep_propp before_qed after_qed propp ctxt =
60402
wenzelm
parents: 60401
diff changeset
  1109
  let
60415
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1110
    val (propss, binds) =
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1111
      prep_propp (Proof_Context.set_mode Proof_Context.mode_schematic ctxt) propp;
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1112
    val goal_ctxt = ctxt
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1113
      |> (fold o fold) Variable.auto_fixes propss
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1114
      |> fold Variable.bind_term binds;
61109
1c98bfc5d743 proper restore_naming after global qed, which is important to make Name_Space.transform_naming work properly, e.g. for "private typedef";
wenzelm
parents: 60948
diff changeset
  1115
    fun after_qed' (result_ctxt, results) ctxt' = ctxt'
1c98bfc5d743 proper restore_naming after global qed, which is important to make Name_Space.transform_naming work properly, e.g. for "private typedef";
wenzelm
parents: 60948
diff changeset
  1116
      |> Proof_Context.restore_naming ctxt
1c98bfc5d743 proper restore_naming after global qed, which is important to make Name_Space.transform_naming work properly, e.g. for "private typedef";
wenzelm
parents: 60948
diff changeset
  1117
      |> after_qed (burrow (Proof_Context.export result_ctxt ctxt') results);
60415
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1118
  in
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1119
    ctxt
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1120
    |> init
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1121
    |> generic_goal "" before_qed (K I, after_qed') goal_ctxt propss []
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1122
  end;
45327
4a027cc86f1a tuned signature -- canonical argument order;
wenzelm
parents: 44045
diff changeset
  1123
60388
0c9d2a4f589d clarified Proof_Context.cert_propp/read_propp;
wenzelm
parents: 60386
diff changeset
  1124
val theorem = global_goal Proof_Context.cert_propp;
0c9d2a4f589d clarified Proof_Context.cert_propp/read_propp;
wenzelm
parents: 60386
diff changeset
  1125
val theorem_cmd = global_goal Proof_Context.read_propp;
12065
5f7f44d5e3dd theorem(_i): locale atts;
wenzelm
parents: 12055
diff changeset
  1126
49866
619acbd72664 more proof method text position information;
wenzelm
parents: 49865
diff changeset
  1127
fun global_qeds arg =
619acbd72664 more proof method text position information;
wenzelm
parents: 49865
diff changeset
  1128
  end_proof true arg
60408
1fd46ced2fa8 more uniform treatment of auto bindings vs. explicit user bindings;
wenzelm
parents: 60407
diff changeset
  1129
  #> Seq.map_result (generic_qed #> (fn (((_, after_qed), results), state) =>
49859
52da6a736c32 more informative error messages of initial/terminal proof methods;
wenzelm
parents: 49848
diff changeset
  1130
    after_qed results (context_of state)));
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
  1131
49889
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
  1132
fun global_qed arg =
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
  1133
  global_qeds (Position.none, arg) #> Seq.the_result finished_goal_error;
12959
bf48fd86a732 clarified localized multi statements;
wenzelm
parents: 12930
diff changeset
  1134
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
  1135
49907
c4bd02e32d35 avoid spurious "bad" markup for show/test_proof;
wenzelm
parents: 49890
diff changeset
  1136
(* terminal proof steps *)
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
  1137
49890
89eff795f757 skipped proofs appear as "bad" without counting as error;
wenzelm
parents: 49889
diff changeset
  1138
local
89eff795f757 skipped proofs appear as "bad" without counting as error;
wenzelm
parents: 49889
diff changeset
  1139
49846
8fae089f5a0c refined Proof.the_finished_goal with more informative error;
wenzelm
parents: 49748
diff changeset
  1140
fun terminal_proof qeds initial terminal =
49889
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
  1141
  proof_results (SOME initial) #> Seq.maps_results (qeds (#2 (#2 initial), terminal))
49863
b5fb6e7f8d81 more informative errors for 'proof' and 'apply' steps;
wenzelm
parents: 49861
diff changeset
  1142
  #> Seq.the_result "";
49848
f222a054342e more informative error of initial/terminal proof steps;
wenzelm
parents: 49847
diff changeset
  1143
49890
89eff795f757 skipped proofs appear as "bad" without counting as error;
wenzelm
parents: 49889
diff changeset
  1144
in
89eff795f757 skipped proofs appear as "bad" without counting as error;
wenzelm
parents: 49889
diff changeset
  1145
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
  1146
fun local_terminal_proof (text, opt_text) = terminal_proof local_qeds text (opt_text, true);
60618
4c79543cc376 renamed "default" to "standard", to make semantically clear what it is;
wenzelm
parents: 60611
diff changeset
  1147
val local_default_proof = local_terminal_proof ((Method.standard_text, Position.no_range), NONE);
49889
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
  1148
val local_immediate_proof = local_terminal_proof ((Method.this_text, Position.no_range), NONE);
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
  1149
val local_done_proof = terminal_proof local_qeds (Method.done_text, Position.no_range) (NONE, false);
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
  1150
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
  1151
fun global_terminal_proof (text, opt_text) = terminal_proof global_qeds text (opt_text, true);
60618
4c79543cc376 renamed "default" to "standard", to make semantically clear what it is;
wenzelm
parents: 60611
diff changeset
  1152
val global_default_proof = global_terminal_proof ((Method.standard_text, Position.no_range), NONE);
49889
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
  1153
val global_immediate_proof = global_terminal_proof ((Method.this_text, Position.no_range), NONE);
00ea087e83d8 more method position information, notably finished_pos after end of previous text;
wenzelm
parents: 49867
diff changeset
  1154
val global_done_proof = terminal_proof global_qeds (Method.done_text, Position.no_range) (NONE, false);
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
  1155
49890
89eff795f757 skipped proofs appear as "bad" without counting as error;
wenzelm
parents: 49889
diff changeset
  1156
end;
89eff795f757 skipped proofs appear as "bad" without counting as error;
wenzelm
parents: 49889
diff changeset
  1157
6896
4bdc3600ddae close_block: transfer_used_names;
wenzelm
parents: 6891
diff changeset
  1158
49907
c4bd02e32d35 avoid spurious "bad" markup for show/test_proof;
wenzelm
parents: 49890
diff changeset
  1159
(* skip proofs *)
c4bd02e32d35 avoid spurious "bad" markup for show/test_proof;
wenzelm
parents: 49890
diff changeset
  1160
c4bd02e32d35 avoid spurious "bad" markup for show/test_proof;
wenzelm
parents: 49890
diff changeset
  1161
fun local_skip_proof int state =
c4bd02e32d35 avoid spurious "bad" markup for show/test_proof;
wenzelm
parents: 49890
diff changeset
  1162
  local_terminal_proof ((Method.sorry_text int, Position.no_range), NONE) state before
51551
88d1d19fb74f tuned signature and module arrangement;
wenzelm
parents: 51383
diff changeset
  1163
  Skip_Proof.report (context_of state);
49907
c4bd02e32d35 avoid spurious "bad" markup for show/test_proof;
wenzelm
parents: 49890
diff changeset
  1164
c4bd02e32d35 avoid spurious "bad" markup for show/test_proof;
wenzelm
parents: 49890
diff changeset
  1165
fun global_skip_proof int state =
c4bd02e32d35 avoid spurious "bad" markup for show/test_proof;
wenzelm
parents: 49890
diff changeset
  1166
  global_terminal_proof ((Method.sorry_text int, Position.no_range), NONE) state before
51551
88d1d19fb74f tuned signature and module arrangement;
wenzelm
parents: 51383
diff changeset
  1167
  Skip_Proof.report (context_of state);
49907
c4bd02e32d35 avoid spurious "bad" markup for show/test_proof;
wenzelm
parents: 49890
diff changeset
  1168
c4bd02e32d35 avoid spurious "bad" markup for show/test_proof;
wenzelm
parents: 49890
diff changeset
  1169
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1170
(* common goal statements *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1171
60406
12cc54fac9b0 allow for_fixes for 'have', 'show' etc.;
wenzelm
parents: 60403
diff changeset
  1172
fun internal_goal print_results mode =
12cc54fac9b0 allow for_fixes for 'have', 'show' etc.;
wenzelm
parents: 60403
diff changeset
  1173
  local_goal print_results (K I) (Proof_Context.cert_propp o Proof_Context.set_mode mode)
12cc54fac9b0 allow for_fixes for 'have', 'show' etc.;
wenzelm
parents: 60403
diff changeset
  1174
    Proof_Context.cert_var;
12cc54fac9b0 allow for_fixes for 'have', 'show' etc.;
wenzelm
parents: 60403
diff changeset
  1175
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1176
local
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1177
60406
12cc54fac9b0 allow for_fixes for 'have', 'show' etc.;
wenzelm
parents: 60403
diff changeset
  1178
fun gen_have prep_att prep_propp prep_var
60555
51a6997b1384 support 'when' statement, which corresponds to 'presume';
wenzelm
parents: 60551
diff changeset
  1179
    strict_asm before_qed after_qed fixes assumes shows int =
56932
11a4001b06c6 more position markup to help locating the query context, e.g. from "Info" dockable;
wenzelm
parents: 56912
diff changeset
  1180
  local_goal (Proof_Display.print_results int (Position.thread_data ()))
60555
51a6997b1384 support 'when' statement, which corresponds to 'presume';
wenzelm
parents: 60551
diff changeset
  1181
    prep_att prep_propp prep_var strict_asm "have" before_qed after_qed fixes assumes shows;
6896
4bdc3600ddae close_block: transfer_used_names;
wenzelm
parents: 6891
diff changeset
  1182
60406
12cc54fac9b0 allow for_fixes for 'have', 'show' etc.;
wenzelm
parents: 60403
diff changeset
  1183
fun gen_show prep_att prep_propp prep_var
60555
51a6997b1384 support 'when' statement, which corresponds to 'presume';
wenzelm
parents: 60551
diff changeset
  1184
    strict_asm before_qed after_qed fixes assumes shows int state =
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1185
  let
32738
15bb09ca0378 explicit indication of Unsynchronized.ref;
wenzelm
parents: 32193
diff changeset
  1186
    val testing = Unsynchronized.ref false;
15bb09ca0378 explicit indication of Unsynchronized.ref;
wenzelm
parents: 32193
diff changeset
  1187
    val rule = Unsynchronized.ref (NONE: thm option);
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1188
    fun fail_msg ctxt =
50315
cf9002ac1018 recovered error to finish proof (e.g. bad obtain export) from 223f18cfbb32;
wenzelm
parents: 50201
diff changeset
  1189
      "Local statement fails to refine any pending goal" ::
33389
bb3a5fa94a91 modernized structure Proof_Display;
wenzelm
parents: 33386
diff changeset
  1190
      (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
  1191
      |> cat_lines;
6896
4bdc3600ddae close_block: transfer_used_names;
wenzelm
parents: 6891
diff changeset
  1192
56932
11a4001b06c6 more position markup to help locating the query context, e.g. from "Info" dockable;
wenzelm
parents: 56912
diff changeset
  1193
    val pos = Position.thread_data ();
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1194
    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
  1195
      if ! testing then ()
56932
11a4001b06c6 more position markup to help locating the query context, e.g. from "Info" dockable;
wenzelm
parents: 56912
diff changeset
  1196
      else Proof_Display.print_results int pos ctxt res;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1197
    fun print_rule ctxt th =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1198
      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
  1199
      else if int then
56933
b47193851dc6 more markup;
wenzelm
parents: 56932
diff changeset
  1200
        Proof_Display.string_of_rule ctxt "Successful" th
b47193851dc6 more markup;
wenzelm
parents: 56932
diff changeset
  1201
        |> Markup.markup Markup.text_fold
59184
830bb7ddb3ab explicit message channels for "state", "information";
wenzelm
parents: 59150
diff changeset
  1202
        |> Output.state
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1203
      else ();
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1204
    val test_proof =
50315
cf9002ac1018 recovered error to finish proof (e.g. bad obtain export) from 223f18cfbb32;
wenzelm
parents: 50201
diff changeset
  1205
      local_skip_proof true
39616
8052101883c3 renamed setmp_noncritical to Unsynchronized.setmp to emphasize its meaning;
wenzelm
parents: 39232
diff changeset
  1206
      |> Unsynchronized.setmp testing true
42042
wenzelm
parents: 41677
diff changeset
  1207
      |> Exn.interruptible_capture;
6896
4bdc3600ddae close_block: transfer_used_names;
wenzelm
parents: 6891
diff changeset
  1208
60415
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1209
    fun after_qed' (result_ctxt, results) state' = state'
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1210
      |> refine_goals print_rule result_ctxt (flat results)
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1211
      |> check_result "Failed to refine any pending goal"
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1212
      |> after_qed (result_ctxt, results);
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1213
  in
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1214
    state
60555
51a6997b1384 support 'when' statement, which corresponds to 'presume';
wenzelm
parents: 60551
diff changeset
  1215
    |> local_goal print_results prep_att prep_propp prep_var strict_asm
60414
f25f2f2ba48c support for "if prems" in local goal statements;
wenzelm
parents: 60411
diff changeset
  1216
      "show" before_qed after_qed' fixes assumes shows
60461
22995ec9fefd tuned signature;
wenzelm
parents: 60449
diff changeset
  1217
    ||> int ? (fn goal_state =>
49907
c4bd02e32d35 avoid spurious "bad" markup for show/test_proof;
wenzelm
parents: 49890
diff changeset
  1218
      (case test_proof (map_context (Context_Position.set_visible false) goal_state) of
50315
cf9002ac1018 recovered error to finish proof (e.g. bad obtain export) from 223f18cfbb32;
wenzelm
parents: 50201
diff changeset
  1219
        Exn.Res _ => goal_state
42042
wenzelm
parents: 41677
diff changeset
  1220
      | 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
  1221
  end;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1222
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1223
in
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1224
60406
12cc54fac9b0 allow for_fixes for 'have', 'show' etc.;
wenzelm
parents: 60403
diff changeset
  1225
val have = gen_have (K I) Proof_Context.cert_propp Proof_Context.cert_var;
12cc54fac9b0 allow for_fixes for 'have', 'show' etc.;
wenzelm
parents: 60403
diff changeset
  1226
val have_cmd = gen_have Attrib.attribute_cmd Proof_Context.read_propp Proof_Context.read_var;
12cc54fac9b0 allow for_fixes for 'have', 'show' etc.;
wenzelm
parents: 60403
diff changeset
  1227
val show = gen_show (K I) Proof_Context.cert_propp Proof_Context.cert_var;
12cc54fac9b0 allow for_fixes for 'have', 'show' etc.;
wenzelm
parents: 60403
diff changeset
  1228
val show_cmd = gen_show Attrib.attribute_cmd Proof_Context.read_propp Proof_Context.read_var;
6896
4bdc3600ddae close_block: transfer_used_names;
wenzelm
parents: 6891
diff changeset
  1229
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
  1230
end;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1231
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
  1232
29385
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1233
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1234
(** future proofs **)
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1235
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1236
(* relevant proof states *)
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1237
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1238
fun schematic_goal state =
60611
27255d1fbe1a clarified map_node: operate precisely on goal context and goal info (see also 2b8342b0d98c);
wenzelm
parents: 60595
diff changeset
  1239
  let val (_, {statement = (_, _, prop), ...}) = find_goal state
51553
63327f679cff more ambitious Goal.skip_proofs: covers Goal.prove forms as well, and do not insist in quick_and_dirty (for the sake of Isabelle/jEdit);
wenzelm
parents: 51551
diff changeset
  1240
  in Goal.is_schematic prop end;
29385
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1241
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1242
fun is_relevant state =
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1243
  (case try find_goal state of
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1244
    NONE => true
60611
27255d1fbe1a clarified map_node: operate precisely on goal context and goal info (see also 2b8342b0d98c);
wenzelm
parents: 60595
diff changeset
  1245
  | SOME (_, {statement = (_, _, prop), goal, ...}) =>
51553
63327f679cff more ambitious Goal.skip_proofs: covers Goal.prove forms as well, and do not insist in quick_and_dirty (for the sake of Isabelle/jEdit);
wenzelm
parents: 51551
diff changeset
  1246
      Goal.is_schematic prop orelse not (Logic.protect prop aconv Thm.concl_of goal));
29385
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1247
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1248
c96b91bab2e6 future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents: 29383
diff changeset
  1249
(* full proofs *)
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
  1250
29346
fe6843aa4f5f more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents: 29090
diff changeset
  1251
local
fe6843aa4f5f more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents: 29090
diff changeset
  1252
49912
c6307ee2665d more robust future_proof result with specific error message (e.g. relevant for incomplete proof of non-registered theorem);
wenzelm
parents: 49909
diff changeset
  1253
structure Result = Proof_Data
c6307ee2665d more robust future_proof result with specific error message (e.g. relevant for incomplete proof of non-registered theorem);
wenzelm
parents: 49909
diff changeset
  1254
(
c6307ee2665d more robust future_proof result with specific error message (e.g. relevant for incomplete proof of non-registered theorem);
wenzelm
parents: 49909
diff changeset
  1255
  type T = thm option;
59150
wenzelm
parents: 58950
diff changeset
  1256
  fun init _ = NONE;
49912
c6307ee2665d more robust future_proof result with specific error message (e.g. relevant for incomplete proof of non-registered theorem);
wenzelm
parents: 49909
diff changeset
  1257
);
c6307ee2665d more robust future_proof result with specific error message (e.g. relevant for incomplete proof of non-registered theorem);
wenzelm
parents: 49909
diff changeset
  1258
c6307ee2665d more robust future_proof result with specific error message (e.g. relevant for incomplete proof of non-registered theorem);
wenzelm
parents: 49909
diff changeset
  1259
fun the_result ctxt =
c6307ee2665d more robust future_proof result with specific error message (e.g. relevant for incomplete proof of non-registered theorem);
wenzelm
parents: 49909
diff changeset
  1260
  (case Result.get ctxt of
c6307ee2665d more robust future_proof result with specific error message (e.g. relevant for incomplete proof of non-registered theorem);
wenzelm
parents: 49909
diff changeset
  1261
    NONE => error "No result of forked proof"
c6307ee2665d more robust future_proof result with specific error message (e.g. relevant for incomplete proof of non-registered theorem);
wenzelm
parents: 49909
diff changeset
  1262
  | SOME th => th);
c6307ee2665d more robust future_proof result with specific error message (e.g. relevant for incomplete proof of non-registered theorem);
wenzelm
parents: 49909
diff changeset
  1263
c6307ee2665d more robust future_proof result with specific error message (e.g. relevant for incomplete proof of non-registered theorem);
wenzelm
parents: 49909
diff changeset
  1264
val set_result = Result.put o SOME;
c6307ee2665d more robust future_proof result with specific error message (e.g. relevant for incomplete proof of non-registered theorem);
wenzelm
parents: 49909
diff changeset
  1265
val reset_result = Result.put NONE;
c6307ee2665d more robust future_proof result with specific error message (e.g. relevant for incomplete proof of non-registered theorem);
wenzelm
parents: 49909
diff changeset
  1266
51318
e6524a89c9e3 simplified Proof.future_proof;
wenzelm
parents: 51226
diff changeset
  1267
in
e6524a89c9e3 simplified Proof.future_proof;
wenzelm
parents: 51226
diff changeset
  1268
e6524a89c9e3 simplified Proof.future_proof;
wenzelm
parents: 51226
diff changeset
  1269
fun future_proof fork_proof state =
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
  1270
  let
29381
45d77aeb1608 future_terminal_proof: no fork for interactive mode, assert_backward;
wenzelm
parents: 29364
diff changeset
  1271
    val _ = assert_backward state;
60611
27255d1fbe1a clarified map_node: operate precisely on goal context and goal info (see also 2b8342b0d98c);
wenzelm
parents: 60595
diff changeset
  1272
    val (goal_ctxt, goal_info) = find_goal state;
60415
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1273
    val {statement as (kind, _, prop), using, goal, before_qed, after_qed} = goal_info;
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
  1274
29383
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
  1275
    val _ = is_relevant state andalso error "Cannot fork relevant proof";
223f18cfbb32 qed/after_qed: singleton result;
wenzelm
parents: 29381
diff changeset
  1276
60415
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1277
    val after_qed' =
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1278
      (fn (_, [[th]]) => map_context (set_result th),
9d37b2330ee3 clarified local after_qed: result is not exported yet;
wenzelm
parents: 60414
diff changeset
  1279
       fn (_, [[th]]) => set_result th);