author | wenzelm |
Thu, 30 Aug 2012 21:50:49 +0200 | |
changeset 49013 | 1266b51f9bbc |
parent 49012 | 8686c36fa27d |
child 49042 | 01041f7bf9b4 |
permissions | -rw-r--r-- |
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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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moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
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val propagate_ml_env: state -> state |
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val bind_terms: (indexname * term option) list -> state -> state |
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val put_thms: bool -> string * thm list option -> state -> state |
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val begin_proofs: state -> state |
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val register_proofs: thm list -> state -> state |
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val join_recent_proofs: state -> unit |
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val the_facts: state -> thm list |
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val the_fact: state -> thm |
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val set_facts: thm list -> state -> state |
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val reset_facts: state -> state |
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val assert_forward: state -> state |
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val assert_chain: state -> state |
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val assert_forward_or_chain: state -> state |
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val assert_backward: state -> state |
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val assert_no_chain: state -> state |
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val enter_forward: state -> state |
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val goal_message: (unit -> Pretty.T) -> state -> state |
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val pretty_state: int -> state -> Pretty.T list |
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val pretty_goals: bool -> state -> Pretty.T list |
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val refine: Method.text -> state -> state Seq.seq |
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val refine_end: Method.text -> state -> state Seq.seq |
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val refine_insert: thm list -> state -> state |
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val refine_goals: (context -> thm -> unit) -> context -> thm list -> state -> state Seq.seq |
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val raw_goal: state -> {context: context, facts: thm list, goal: thm} |
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val goal: state -> {context: context, facts: thm list, goal: thm} |
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val simple_goal: state -> {context: context, goal: thm} |
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val status_markup: state -> Markup.T |
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val let_bind: (term list * term) list -> state -> state |
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val let_bind_cmd: (string list * string) list -> state -> state |
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ProofContext.read_const: allow for type constraint (for fixed variable);
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val write: Syntax.mode -> (term * mixfix) list -> state -> state |
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val write_cmd: Syntax.mode -> (string * mixfix) list -> state -> state |
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val fix: (binding * typ option * mixfix) list -> state -> state |
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val fix_cmd: (binding * string option * mixfix) list -> state -> state |
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val assm: Assumption.export -> |
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(Thm.binding * (term * term list) list) list -> state -> state |
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val assm_cmd: Assumption.export -> |
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type Attrib.binding abbreviates Name.binding without attributes;
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(Attrib.binding * (string * string list) list) list -> state -> state |
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val assume: (Thm.binding * (term * term list) list) list -> state -> state |
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val assume_cmd: (Attrib.binding * (string * string list) list) list -> state -> state |
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val presume: (Thm.binding * (term * term list) list) list -> state -> state |
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val presume_cmd: (Attrib.binding * (string * string list) list) list -> state -> state |
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val def: (Thm.binding * ((binding * mixfix) * (term * term list))) list -> state -> state |
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val def_cmd: (Attrib.binding * ((binding * mixfix) * (string * string list))) list -> state -> state |
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val chain: state -> state |
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val chain_facts: thm list -> state -> state |
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val note_thmss: (Thm.binding * (thm list * attribute list) list) list -> state -> state |
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val note_thmss_cmd: (Attrib.binding * (Facts.ref * Attrib.src list) list) list -> state -> state |
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val from_thmss: ((thm list * attribute list) list) list -> state -> state |
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val from_thmss_cmd: ((Facts.ref * Attrib.src list) list) list -> state -> state |
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val with_thmss: ((thm list * attribute list) list) list -> state -> state |
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val with_thmss_cmd: ((Facts.ref * Attrib.src list) list) list -> state -> state |
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val using: ((thm list * attribute list) list) list -> state -> state |
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val using_cmd: ((Facts.ref * Attrib.src list) list) list -> state -> state |
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val unfolding: ((thm list * attribute list) list) list -> state -> state |
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val unfolding_cmd: ((Facts.ref * Attrib.src list) list) list -> state -> state |
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val invoke_case: string * binding option list * attribute list -> state -> state |
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val invoke_case_cmd: string * binding option list * Attrib.src list -> state -> state |
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val begin_block: state -> state |
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val next_block: state -> state |
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val end_block: state -> state |
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val begin_notepad: Proof.context -> state |
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val end_notepad: state -> Proof.context |
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val proof: Method.text option -> state -> state Seq.seq |
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val defer: int option -> state -> state Seq.seq |
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val prefer: int -> state -> state Seq.seq |
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val apply: Method.text -> state -> state Seq.seq |
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val apply_end: Method.text -> state -> state Seq.seq |
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val local_goal: (context -> ((string * string) * (string * thm list) list) -> unit) -> |
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(Proof.context -> 'a -> attribute) -> |
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('b list -> context -> (term list list * (context -> context)) * context) -> |
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string -> Method.text option -> (thm list list -> state -> state) -> |
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((binding * 'a list) * 'b) list -> state -> state |
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val local_qed: Method.text option * bool -> state -> state |
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val theorem: Method.text option -> (thm list list -> context -> context) -> |
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(term * term list) list list -> context -> state |
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val theorem_cmd: Method.text option -> (thm list list -> context -> context) -> |
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(string * string list) list list -> context -> state |
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val global_qed: Method.text option * bool -> state -> context |
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val local_terminal_proof: Method.text * Method.text option -> state -> state |
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val local_default_proof: state -> state |
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val local_immediate_proof: state -> state |
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val local_skip_proof: bool -> state -> state |
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val local_done_proof: state -> state |
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val global_terminal_proof: Method.text * Method.text option -> state -> context |
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val global_default_proof: state -> context |
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val global_immediate_proof: state -> context |
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val global_skip_proof: bool -> state -> context |
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val global_done_proof: state -> context |
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val have: Method.text option -> (thm list list -> state -> state) -> |
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(Thm.binding * (term * term list) list) list -> bool -> state -> state |
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val have_cmd: Method.text option -> (thm list list -> state -> state) -> |
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type Attrib.binding abbreviates Name.binding without attributes;
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(Attrib.binding * (string * string list) list) list -> bool -> state -> state |
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val show: Method.text option -> (thm list list -> state -> state) -> |
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(Thm.binding * (term * term list) list) list -> bool -> state -> state |
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val show_cmd: Method.text option -> (thm list list -> state -> state) -> |
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type Attrib.binding abbreviates Name.binding without attributes;
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(Attrib.binding * (string * string list) list) list -> bool -> state -> state |
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val schematic_goal: state -> bool |
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val local_future_proof: (state -> ('a * state) future) -> state -> 'a future * state |
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val global_future_proof: (state -> ('a * Proof.context) future) -> state -> 'a future * context |
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val local_future_terminal_proof: Method.text * Method.text option -> bool -> state -> state |
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val global_future_terminal_proof: Method.text * Method.text option -> bool -> state -> context |
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end; |
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structure Proof: PROOF = |
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struct |
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type context = Proof.context; |
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type method = Method.method; |
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(** proof state **) |
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(* datatype state *) |
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datatype mode = Forward | Chain | Backward; |
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datatype state = |
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State of node Stack.T |
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and node = |
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Node of |
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{context: context, |
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facts: thm list option, |
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mode: mode, |
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goal: goal option} |
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and goal = |
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Goal of |
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{statement: (string * Position.T) * term list list * term, |
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(*goal kind and statement (starting with vars), initial proposition*) |
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messages: (unit -> Pretty.T) list, (*persistent messages (hints etc.)*) |
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using: thm list, (*goal facts*) |
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goal: thm, (*subgoals ==> statement*) |
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before_qed: Method.text option, |
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after_qed: |
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(thm list list -> state -> state) * |
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(thm list list -> context -> context)}; |
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fun make_goal (statement, messages, using, goal, before_qed, after_qed) = |
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Goal {statement = statement, messages = messages, using = using, goal = goal, |
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before_qed = before_qed, after_qed = after_qed}; |
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fun make_node (context, facts, mode, goal) = |
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Node {context = context, facts = facts, mode = mode, goal = goal}; |
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fun map_node f (Node {context, facts, mode, goal}) = |
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make_node (f (context, facts, mode, goal)); |
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val init_context = |
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Proof_Context.set_stmt true #> |
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Proof_Context.map_naming (K Name_Space.local_naming); |
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fun init ctxt = |
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State (Stack.init (make_node (init_context ctxt, NONE, Forward, NONE))); |
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fun top (State st) = Stack.top st |> (fn Node node => node); |
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fun bottom (State st) = Stack.bottom st |> (fn Node node => node); |
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fun map_top f (State st) = State (Stack.map_top (map_node f) st); |
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fun map_bottom f (State st) = State (Stack.map_bottom (map_node f) st); |
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fun map_all f (State st) = State (Stack.map_all (map_node f) st); |
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(** basic proof state operations **) |
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(* block structure *) |
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fun open_block (State st) = State (Stack.push st); |
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fun close_block (State st) = State (Stack.pop st) |
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handle List.Empty => error "Unbalanced block parentheses"; |
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fun level (State st) = Stack.level st; |
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fun assert_bottom b state = |
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let val b' = level state <= 2 in |
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if b andalso not b' then error "Not at bottom of proof" |
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else if not b andalso b' then error "Already at bottom of proof" |
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else state |
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end; |
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(* context *) |
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val context_of = #context o top; |
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val theory_of = Proof_Context.theory_of o context_of; |
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fun map_node_context f = |
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map_node (fn (ctxt, facts, mode, goal) => (f ctxt, facts, mode, goal)); |
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fun map_context f = |
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map_top (fn (ctxt, facts, mode, goal) => (f ctxt, facts, mode, goal)); |
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|
17359 | 213 |
fun map_context_result f state = |
17859 | 214 |
f (context_of state) ||> (fn ctxt => map_context (K ctxt) state); |
5820 | 215 |
|
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|
216 |
fun map_context_bottom f = |
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217 |
map_bottom (fn (ctxt, facts, mode, goal) => (f ctxt, facts, mode, goal)); |
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218 |
|
28278 | 219 |
fun map_contexts f = map_all (fn (ctxt, facts, mode, goal) => (f ctxt, facts, mode, goal)); |
220 |
||
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|
221 |
fun propagate_ml_env state = map_contexts |
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|
222 |
(Context.proof_map (ML_Env.inherit (Context.Proof (context_of state)))) state; |
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|
223 |
|
42360 | 224 |
val bind_terms = map_context o Proof_Context.bind_terms; |
225 |
val put_thms = map_context oo Proof_Context.put_thms; |
|
5820 | 226 |
|
227 |
||
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|
228 |
(* forked proofs *) |
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|
229 |
|
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|
230 |
val begin_proofs = map_context_bottom (Context.proof_map Thm.begin_proofs); |
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|
231 |
val register_proofs = map_context_bottom o Context.proof_map o Thm.register_proofs; |
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|
232 |
|
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233 |
val join_recent_proofs = Thm.join_local_proofs o #context o bottom; |
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|
234 |
|
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|
235 |
|
5820 | 236 |
(* facts *) |
237 |
||
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|
238 |
val get_facts = #facts o top; |
17359 | 239 |
|
240 |
fun the_facts state = |
|
241 |
(case get_facts state of SOME facts => facts |
|
18678 | 242 |
| NONE => error "No current facts available"); |
5820 | 243 |
|
9469 | 244 |
fun the_fact state = |
17359 | 245 |
(case the_facts state of [thm] => thm |
18678 | 246 |
| _ => error "Single theorem expected"); |
7605 | 247 |
|
17359 | 248 |
fun put_facts facts = |
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|
249 |
map_top (fn (ctxt, _, mode, goal) => (ctxt, facts, mode, goal)) #> |
33386 | 250 |
put_thms true (Auto_Bind.thisN, facts); |
5820 | 251 |
|
47068 | 252 |
val set_facts = put_facts o SOME; |
253 |
val reset_facts = put_facts NONE; |
|
254 |
||
17359 | 255 |
fun these_factss more_facts (named_factss, state) = |
47068 | 256 |
(named_factss, state |> set_facts (maps snd named_factss @ more_facts)); |
5820 | 257 |
|
17359 | 258 |
fun export_facts inner outer = |
259 |
(case get_facts inner of |
|
47068 | 260 |
NONE => reset_facts outer |
17359 | 261 |
| SOME thms => |
262 |
thms |
|
42360 | 263 |
|> Proof_Context.export (context_of inner) (context_of outer) |
47068 | 264 |
|> (fn ths => set_facts ths outer)); |
5820 | 265 |
|
266 |
||
267 |
(* mode *) |
|
268 |
||
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|
269 |
val get_mode = #mode o top; |
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|
270 |
fun put_mode mode = map_top (fn (ctxt, facts, _, goal) => (ctxt, facts, mode, goal)); |
5820 | 271 |
|
17359 | 272 |
val mode_name = (fn Forward => "state" | Chain => "chain" | Backward => "prove"); |
5820 | 273 |
|
274 |
fun assert_mode pred state = |
|
275 |
let val mode = get_mode state in |
|
276 |
if pred mode then state |
|
18678 | 277 |
else error ("Illegal application of proof command in " ^ quote (mode_name mode) ^ " mode") |
5820 | 278 |
end; |
279 |
||
19308 | 280 |
val assert_forward = assert_mode (fn mode => mode = Forward); |
281 |
val assert_chain = assert_mode (fn mode => mode = Chain); |
|
282 |
val assert_forward_or_chain = assert_mode (fn mode => mode = Forward orelse mode = Chain); |
|
283 |
val assert_backward = assert_mode (fn mode => mode = Backward); |
|
284 |
val assert_no_chain = assert_mode (fn mode => mode <> Chain); |
|
5820 | 285 |
|
17359 | 286 |
val enter_forward = put_mode Forward; |
287 |
val enter_chain = put_mode Chain; |
|
288 |
val enter_backward = put_mode Backward; |
|
5820 | 289 |
|
17359 | 290 |
|
291 |
(* current goal *) |
|
292 |
||
293 |
fun current_goal state = |
|
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|
294 |
(case top state of |
17359 | 295 |
{context, goal = SOME (Goal goal), ...} => (context, goal) |
47065 | 296 |
| _ => error "No current goal"); |
5820 | 297 |
|
17359 | 298 |
fun assert_current_goal g state = |
299 |
let val g' = can current_goal state in |
|
47065 | 300 |
if g andalso not g' then error "No goal in this block" |
301 |
else if not g andalso g' then error "Goal present in this block" |
|
17359 | 302 |
else state |
303 |
end; |
|
6776 | 304 |
|
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changeset
|
305 |
fun put_goal goal = map_top (fn (ctxt, using, mode, _) => (ctxt, using, mode, goal)); |
17359 | 306 |
|
47068 | 307 |
val set_goal = put_goal o SOME; |
308 |
val reset_goal = put_goal NONE; |
|
309 |
||
17859 | 310 |
val before_qed = #before_qed o #2 o current_goal; |
311 |
||
17359 | 312 |
|
313 |
(* nested goal *) |
|
5820 | 314 |
|
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changeset
|
315 |
fun map_goal f g h (State (Node {context, facts, mode, goal = SOME goal}, node :: nodes)) = |
17359 | 316 |
let |
24543 | 317 |
val Goal {statement, messages, using, goal, before_qed, after_qed} = goal; |
318 |
val goal' = make_goal (g (statement, messages, using, goal, before_qed, after_qed)); |
|
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changeset
|
319 |
val node' = map_node_context h node; |
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diff
changeset
|
320 |
in State (make_node (f context, facts, mode, SOME goal'), node' :: nodes) end |
d9dd4a9f18fc
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47416
diff
changeset
|
321 |
| map_goal f g h (State (nd, node :: nodes)) = |
d9dd4a9f18fc
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parents:
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diff
changeset
|
322 |
let |
d9dd4a9f18fc
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changeset
|
323 |
val nd' = map_node_context f nd; |
d9dd4a9f18fc
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wenzelm
parents:
47416
diff
changeset
|
324 |
val State (node', nodes') = map_goal f g h (State (node, nodes)); |
d9dd4a9f18fc
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parents:
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diff
changeset
|
325 |
in State (nd', node' :: nodes') end |
d9dd4a9f18fc
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diff
changeset
|
326 |
| map_goal _ _ _ state = state; |
5820 | 327 |
|
47068 | 328 |
fun provide_goal goal = map_goal I (fn (statement, _, using, _, before_qed, after_qed) => |
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diff
changeset
|
329 |
(statement, [], using, goal, before_qed, after_qed)) I; |
19188 | 330 |
|
24543 | 331 |
fun goal_message msg = map_goal I (fn (statement, messages, using, goal, before_qed, after_qed) => |
47431
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parents:
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diff
changeset
|
332 |
(statement, msg :: messages, using, goal, before_qed, after_qed)) I; |
24543 | 333 |
|
24556 | 334 |
fun using_facts using = map_goal I (fn (statement, _, _, goal, before_qed, after_qed) => |
47431
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more precise declaration of goal_tfrees in forked proof state;
wenzelm
parents:
47416
diff
changeset
|
335 |
(statement, [], using, goal, before_qed, after_qed)) I; |
17359 | 336 |
|
337 |
local |
|
338 |
fun find i state = |
|
339 |
(case try current_goal state of |
|
340 |
SOME (ctxt, goal) => (ctxt, (i, goal)) |
|
18678 | 341 |
| NONE => find (i + 1) (close_block state handle ERROR _ => error "No goal present")); |
17359 | 342 |
in val find_goal = find 0 end; |
343 |
||
344 |
fun get_goal state = |
|
345 |
let val (ctxt, (_, {using, goal, ...})) = find_goal state |
|
346 |
in (ctxt, (using, goal)) end; |
|
5820 | 347 |
|
348 |
||
349 |
||
12423 | 350 |
(** pretty_state **) |
5820 | 351 |
|
15531 | 352 |
fun pretty_facts _ _ NONE = [] |
353 |
| pretty_facts s ctxt (SOME ths) = |
|
32091
30e2ffbba718
proper context for Display.pretty_thm etc. or old-style versions Display.pretty_thm_global, Display.pretty_thm_without_context etc.;
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diff
changeset
|
354 |
[Pretty.big_list (s ^ "this:") (map (Display.pretty_thm ctxt) ths), Pretty.str ""]; |
6756 | 355 |
|
17359 | 356 |
fun pretty_state nr state = |
5820 | 357 |
let |
49011
9c68e43502ce
some support for registering forked proofs within Proof.state, using its bottom context;
wenzelm
parents:
47815
diff
changeset
|
358 |
val {context = ctxt, facts, mode, goal = _} = top state; |
42717
0bbb56867091
proper configuration options Proof_Context.debug and Proof_Context.verbose;
wenzelm
parents:
42496
diff
changeset
|
359 |
val verbose = Config.get ctxt Proof_Context.verbose; |
5820 | 360 |
|
361 |
fun levels_up 0 = "" |
|
17359 | 362 |
| levels_up 1 = "1 level up" |
363 |
| levels_up i = string_of_int i ^ " levels up"; |
|
5820 | 364 |
|
11556 | 365 |
fun subgoals 0 = "" |
17359 | 366 |
| subgoals 1 = "1 subgoal" |
367 |
| subgoals n = string_of_int n ^ " subgoals"; |
|
368 |
||
369 |
fun description strs = |
|
28375 | 370 |
(case filter_out (fn s => s = "") strs of [] => "" |
17359 | 371 |
| strs' => enclose " (" ")" (commas strs')); |
12146 | 372 |
|
39051
45facd8f358e
Proof.pretty_state: print everything in the foreground context to give users a chance to configure options, e.g. via "using [[show_consts]]";
wenzelm
parents:
38721
diff
changeset
|
373 |
fun prt_goal (SOME (_, (i, |
29416 | 374 |
{statement = ((_, pos), _, _), messages, using, goal, before_qed = _, after_qed = _}))) = |
17359 | 375 |
pretty_facts "using " ctxt |
376 |
(if mode <> Backward orelse null using then NONE else SOME using) @ |
|
21442 | 377 |
[Pretty.str ("goal" ^ |
378 |
description [levels_up (i div 2), subgoals (Thm.nprems_of goal)] ^ ":")] @ |
|
39125
f45d332a90e3
pretty_goals: turned some global references and function arguments into configuration options (goals_limit = 10, goals_total = true, show_main_goal = false) depending on the context;
wenzelm
parents:
39051
diff
changeset
|
379 |
Goal_Display.pretty_goals ctxt goal @ |
25958 | 380 |
(map (fn msg => Position.setmp_thread_data pos msg ()) (rev messages)) |
17359 | 381 |
| prt_goal NONE = []; |
6848 | 382 |
|
17359 | 383 |
val prt_ctxt = |
42717
0bbb56867091
proper configuration options Proof_Context.debug and Proof_Context.verbose;
wenzelm
parents:
42496
diff
changeset
|
384 |
if verbose orelse mode = Forward then Proof_Context.pretty_context ctxt |
42360 | 385 |
else if mode = Backward then Proof_Context.pretty_ctxt ctxt |
7575 | 386 |
else []; |
17359 | 387 |
in |
388 |
[Pretty.str ("proof (" ^ mode_name mode ^ "): step " ^ string_of_int nr ^ |
|
42717
0bbb56867091
proper configuration options Proof_Context.debug and Proof_Context.verbose;
wenzelm
parents:
42496
diff
changeset
|
389 |
(if verbose then ", depth " ^ string_of_int (level state div 2 - 1) else "")), |
17359 | 390 |
Pretty.str ""] @ |
391 |
(if null prt_ctxt then [] else prt_ctxt @ [Pretty.str ""]) @ |
|
42717
0bbb56867091
proper configuration options Proof_Context.debug and Proof_Context.verbose;
wenzelm
parents:
42496
diff
changeset
|
392 |
(if verbose orelse mode = Forward then |
39051
45facd8f358e
Proof.pretty_state: print everything in the foreground context to give users a chance to configure options, e.g. via "using [[show_consts]]";
wenzelm
parents:
38721
diff
changeset
|
393 |
pretty_facts "" ctxt facts @ prt_goal (try find_goal state) |
45facd8f358e
Proof.pretty_state: print everything in the foreground context to give users a chance to configure options, e.g. via "using [[show_consts]]";
wenzelm
parents:
38721
diff
changeset
|
394 |
else if mode = Chain then pretty_facts "picking " ctxt facts |
17359 | 395 |
else prt_goal (try find_goal state)) |
396 |
end; |
|
5820 | 397 |
|
12085 | 398 |
fun pretty_goals main state = |
39125
f45d332a90e3
pretty_goals: turned some global references and function arguments into configuration options (goals_limit = 10, goals_total = true, show_main_goal = false) depending on the context;
wenzelm
parents:
39051
diff
changeset
|
399 |
let |
39129
976af4e27cde
recovered options for goal antiquotations from f45d332a90e3: actually pass context to Proof.pretty_goals (see also 45facd8f358e);
wenzelm
parents:
39125
diff
changeset
|
400 |
val (_, (_, goal)) = get_goal state; |
976af4e27cde
recovered options for goal antiquotations from f45d332a90e3: actually pass context to Proof.pretty_goals (see also 45facd8f358e);
wenzelm
parents:
39125
diff
changeset
|
401 |
val ctxt = context_of state |
39125
f45d332a90e3
pretty_goals: turned some global references and function arguments into configuration options (goals_limit = 10, goals_total = true, show_main_goal = false) depending on the context;
wenzelm
parents:
39051
diff
changeset
|
402 |
|> Config.put Goal_Display.show_main_goal main |
f45d332a90e3
pretty_goals: turned some global references and function arguments into configuration options (goals_limit = 10, goals_total = true, show_main_goal = false) depending on the context;
wenzelm
parents:
39051
diff
changeset
|
403 |
|> Config.put Goal_Display.goals_total false; |
39129
976af4e27cde
recovered options for goal antiquotations from f45d332a90e3: actually pass context to Proof.pretty_goals (see also 45facd8f358e);
wenzelm
parents:
39125
diff
changeset
|
404 |
in Goal_Display.pretty_goals ctxt goal end; |
10320 | 405 |
|
5820 | 406 |
|
407 |
||
408 |
(** proof steps **) |
|
409 |
||
17359 | 410 |
(* refine via method *) |
5820 | 411 |
|
8234 | 412 |
local |
413 |
||
16146 | 414 |
fun goalN i = "goal" ^ string_of_int i; |
415 |
fun goals st = map goalN (1 upto Thm.nprems_of st); |
|
416 |
||
417 |
fun no_goal_cases st = map (rpair NONE) (goals st); |
|
418 |
||
419 |
fun goal_cases st = |
|
47815 | 420 |
Rule_Cases.make_common |
421 |
(Thm.theory_of_thm st, Thm.prop_of st) (map (rpair [] o rpair []) (goals st)); |
|
16146 | 422 |
|
32193
c314b4836031
basic method application: avoid Position.setmp_thread_data_seq, which destroys transaction context;
wenzelm
parents:
32187
diff
changeset
|
423 |
fun apply_method current_context meth state = |
6848 | 424 |
let |
24556 | 425 |
val (goal_ctxt, (_, {statement, messages = _, using, goal, before_qed, after_qed})) = |
24543 | 426 |
find_goal state; |
25958 | 427 |
val ctxt = if current_context then context_of state else goal_ctxt; |
16146 | 428 |
in |
32193
c314b4836031
basic method application: avoid Position.setmp_thread_data_seq, which destroys transaction context;
wenzelm
parents:
32187
diff
changeset
|
429 |
Method.apply meth ctxt using goal |> Seq.map (fn (meth_cases, goal') => |
6848 | 430 |
state |
16146 | 431 |
|> map_goal |
42360 | 432 |
(Proof_Context.add_cases false (no_goal_cases goal @ goal_cases goal') #> |
433 |
Proof_Context.add_cases true meth_cases) |
|
47431
d9dd4a9f18fc
more precise declaration of goal_tfrees in forked proof state;
wenzelm
parents:
47416
diff
changeset
|
434 |
(K (statement, [], using, goal', before_qed, after_qed)) I) |
16146 | 435 |
end; |
5820 | 436 |
|
19188 | 437 |
fun select_goals n meth state = |
19224 | 438 |
state |
439 |
|> (#2 o #2 o get_goal) |
|
21687 | 440 |
|> ALLGOALS Goal.conjunction_tac |
19224 | 441 |
|> Seq.maps (fn goal => |
19188 | 442 |
state |
47068 | 443 |
|> Seq.lift provide_goal (Goal.extract 1 n goal |> Seq.maps (Goal.conjunction_tac 1)) |
19188 | 444 |
|> Seq.maps meth |
445 |
|> Seq.maps (fn state' => state' |
|
47068 | 446 |
|> Seq.lift provide_goal (Goal.retrofit 1 n (#2 (#2 (get_goal state'))) goal)) |
32193
c314b4836031
basic method application: avoid Position.setmp_thread_data_seq, which destroys transaction context;
wenzelm
parents:
32187
diff
changeset
|
447 |
|> Seq.maps (apply_method true (K Method.succeed))); |
19188 | 448 |
|
17112 | 449 |
fun apply_text cc text state = |
450 |
let |
|
451 |
val thy = theory_of state; |
|
452 |
||
32193
c314b4836031
basic method application: avoid Position.setmp_thread_data_seq, which destroys transaction context;
wenzelm
parents:
32187
diff
changeset
|
453 |
fun eval (Method.Basic m) = apply_method cc m |
c314b4836031
basic method application: avoid Position.setmp_thread_data_seq, which destroys transaction context;
wenzelm
parents:
32187
diff
changeset
|
454 |
| eval (Method.Source src) = apply_method cc (Method.method thy src) |
c314b4836031
basic method application: avoid Position.setmp_thread_data_seq, which destroys transaction context;
wenzelm
parents:
32187
diff
changeset
|
455 |
| eval (Method.Source_i src) = apply_method cc (Method.method_i thy src) |
17112 | 456 |
| eval (Method.Then txts) = Seq.EVERY (map eval txts) |
457 |
| eval (Method.Orelse txts) = Seq.FIRST (map eval txts) |
|
458 |
| eval (Method.Try txt) = Seq.TRY (eval txt) |
|
19188 | 459 |
| eval (Method.Repeat1 txt) = Seq.REPEAT1 (eval txt) |
460 |
| eval (Method.SelectGoals (n, txt)) = select_goals n (eval txt); |
|
17112 | 461 |
in eval text state end; |
462 |
||
8234 | 463 |
in |
464 |
||
17112 | 465 |
val refine = apply_text true; |
466 |
val refine_end = apply_text false; |
|
32856
92d9555ac790
clarified Proof.refine_insert -- always "refine" to apply standard method treatment (of conjunctions);
wenzelm
parents:
32786
diff
changeset
|
467 |
fun refine_insert ths = Seq.hd o refine (Method.Basic (K (Method.insert ths))); |
18908 | 468 |
|
8234 | 469 |
end; |
470 |
||
5820 | 471 |
|
17359 | 472 |
(* refine via sub-proof *) |
473 |
||
46466
61c7214b4885
tuned signature, according to actual usage of these operations;
wenzelm
parents:
45666
diff
changeset
|
474 |
local |
61c7214b4885
tuned signature, according to actual usage of these operations;
wenzelm
parents:
45666
diff
changeset
|
475 |
|
30557
a28d83e903ce
goal_tac: finish marked assumptions from left to right -- corresponds better with the strategy of etac, with significant performance gains in some situations;
wenzelm
parents:
30510
diff
changeset
|
476 |
fun finish_tac 0 = K all_tac |
a28d83e903ce
goal_tac: finish marked assumptions from left to right -- corresponds better with the strategy of etac, with significant performance gains in some situations;
wenzelm
parents:
30510
diff
changeset
|
477 |
| finish_tac n = |
a28d83e903ce
goal_tac: finish marked assumptions from left to right -- corresponds better with the strategy of etac, with significant performance gains in some situations;
wenzelm
parents:
30510
diff
changeset
|
478 |
Goal.norm_hhf_tac THEN' |
a28d83e903ce
goal_tac: finish marked assumptions from left to right -- corresponds better with the strategy of etac, with significant performance gains in some situations;
wenzelm
parents:
30510
diff
changeset
|
479 |
SUBGOAL (fn (goal, i) => |
a28d83e903ce
goal_tac: finish marked assumptions from left to right -- corresponds better with the strategy of etac, with significant performance gains in some situations;
wenzelm
parents:
30510
diff
changeset
|
480 |
if can Logic.unprotect (Logic.strip_assums_concl goal) then |
a28d83e903ce
goal_tac: finish marked assumptions from left to right -- corresponds better with the strategy of etac, with significant performance gains in some situations;
wenzelm
parents:
30510
diff
changeset
|
481 |
Tactic.etac Drule.protectI i THEN finish_tac (n - 1) i |
a28d83e903ce
goal_tac: finish marked assumptions from left to right -- corresponds better with the strategy of etac, with significant performance gains in some situations;
wenzelm
parents:
30510
diff
changeset
|
482 |
else finish_tac (n - 1) (i + 1)); |
a28d83e903ce
goal_tac: finish marked assumptions from left to right -- corresponds better with the strategy of etac, with significant performance gains in some situations;
wenzelm
parents:
30510
diff
changeset
|
483 |
|
20208 | 484 |
fun goal_tac rule = |
30557
a28d83e903ce
goal_tac: finish marked assumptions from left to right -- corresponds better with the strategy of etac, with significant performance gains in some situations;
wenzelm
parents:
30510
diff
changeset
|
485 |
Goal.norm_hhf_tac THEN' |
a28d83e903ce
goal_tac: finish marked assumptions from left to right -- corresponds better with the strategy of etac, with significant performance gains in some situations;
wenzelm
parents:
30510
diff
changeset
|
486 |
Tactic.rtac rule THEN' |
a28d83e903ce
goal_tac: finish marked assumptions from left to right -- corresponds better with the strategy of etac, with significant performance gains in some situations;
wenzelm
parents:
30510
diff
changeset
|
487 |
finish_tac (Thm.nprems_of rule); |
11816 | 488 |
|
46466
61c7214b4885
tuned signature, according to actual usage of these operations;
wenzelm
parents:
45666
diff
changeset
|
489 |
fun FINDGOAL tac st = |
61c7214b4885
tuned signature, according to actual usage of these operations;
wenzelm
parents:
45666
diff
changeset
|
490 |
let fun find i n = if i > n then Seq.fail else Seq.APPEND (tac i, find (i + 1) n) |
61c7214b4885
tuned signature, according to actual usage of these operations;
wenzelm
parents:
45666
diff
changeset
|
491 |
in find 1 (Thm.nprems_of st) st end; |
61c7214b4885
tuned signature, according to actual usage of these operations;
wenzelm
parents:
45666
diff
changeset
|
492 |
|
61c7214b4885
tuned signature, according to actual usage of these operations;
wenzelm
parents:
45666
diff
changeset
|
493 |
in |
61c7214b4885
tuned signature, according to actual usage of these operations;
wenzelm
parents:
45666
diff
changeset
|
494 |
|
19915 | 495 |
fun refine_goals print_rule inner raw_rules state = |
496 |
let |
|
497 |
val (outer, (_, goal)) = get_goal state; |
|
20208 | 498 |
fun refine rule st = (print_rule outer rule; FINDGOAL (goal_tac rule) st); |
19915 | 499 |
in |
500 |
raw_rules |
|
42360 | 501 |
|> Proof_Context.goal_export inner outer |
47068 | 502 |
|> (fn rules => Seq.lift provide_goal (EVERY (map refine rules) goal) state) |
19915 | 503 |
end; |
17359 | 504 |
|
46466
61c7214b4885
tuned signature, according to actual usage of these operations;
wenzelm
parents:
45666
diff
changeset
|
505 |
end; |
61c7214b4885
tuned signature, according to actual usage of these operations;
wenzelm
parents:
45666
diff
changeset
|
506 |
|
6932 | 507 |
|
17359 | 508 |
(* conclude_goal *) |
6932 | 509 |
|
28627
63663cfa297c
conclude_goal: precise goal context, include all sorts from context into statement, check shyps of result;
wenzelm
parents:
28458
diff
changeset
|
510 |
fun conclude_goal ctxt goal propss = |
5820 | 511 |
let |
42360 | 512 |
val thy = Proof_Context.theory_of ctxt; |
24920 | 513 |
val string_of_term = Syntax.string_of_term ctxt; |
32091
30e2ffbba718
proper context for Display.pretty_thm etc. or old-style versions Display.pretty_thm_global, Display.pretty_thm_without_context etc.;
wenzelm
parents:
32089
diff
changeset
|
514 |
val string_of_thm = Display.string_of_thm ctxt; |
5820 | 515 |
|
17359 | 516 |
val ngoals = Thm.nprems_of goal; |
19774
5fe7731d0836
allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents:
19585
diff
changeset
|
517 |
val _ = ngoals = 0 orelse error (Pretty.string_of (Pretty.chunks |
39125
f45d332a90e3
pretty_goals: turned some global references and function arguments into configuration options (goals_limit = 10, goals_total = true, show_main_goal = false) depending on the context;
wenzelm
parents:
39051
diff
changeset
|
518 |
(Goal_Display.pretty_goals ctxt goal @ |
47065 | 519 |
[Pretty.str (string_of_int ngoals ^ " unsolved goal(s)")]))); |
20224
9c40a144ee0e
moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents:
20208
diff
changeset
|
520 |
|
9c40a144ee0e
moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents:
20208
diff
changeset
|
521 |
val extra_hyps = Assumption.extra_hyps ctxt goal; |
9c40a144ee0e
moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents:
20208
diff
changeset
|
522 |
val _ = null extra_hyps orelse |
9c40a144ee0e
moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents:
20208
diff
changeset
|
523 |
error ("Additional hypotheses:\n" ^ cat_lines (map string_of_term extra_hyps)); |
5820 | 524 |
|
23418 | 525 |
fun lost_structure () = error ("Lost goal structure:\n" ^ string_of_thm goal); |
526 |
||
23782
4dd0ba632e40
Proof terms for meta-conjunctions are now normalized before
berghofe
parents:
23639
diff
changeset
|
527 |
val th = Goal.conclude |
23806 | 528 |
(if length (flat propss) > 1 then Thm.norm_proof goal else goal) |
23782
4dd0ba632e40
Proof terms for meta-conjunctions are now normalized before
berghofe
parents:
23639
diff
changeset
|
529 |
handle THM _ => lost_structure (); |
23418 | 530 |
val goal_propss = filter_out null propss; |
531 |
val results = |
|
532 |
Conjunction.elim_balanced (length goal_propss) th |
|
533 |
|> map2 Conjunction.elim_balanced (map length goal_propss) |
|
534 |
handle THM _ => lost_structure (); |
|
535 |
val _ = Unify.matches_list thy (flat goal_propss) (map Thm.prop_of (flat results)) orelse |
|
19774
5fe7731d0836
allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents:
19585
diff
changeset
|
536 |
error ("Proved a different theorem:\n" ^ string_of_thm th); |
28627
63663cfa297c
conclude_goal: precise goal context, include all sorts from context into statement, check shyps of result;
wenzelm
parents:
28458
diff
changeset
|
537 |
val _ = Thm.check_shyps (Variable.sorts_of ctxt) th; |
23418 | 538 |
|
539 |
fun recover_result ([] :: pss) thss = [] :: recover_result pss thss |
|
540 |
| recover_result (_ :: pss) (ths :: thss) = ths :: recover_result pss thss |
|
541 |
| recover_result [] [] = [] |
|
542 |
| recover_result _ _ = lost_structure (); |
|
543 |
in recover_result propss results end; |
|
5820 | 544 |
|
545 |
||
33288
bd3f30da7bc1
replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents:
33165
diff
changeset
|
546 |
(* goal views -- corresponding to methods *) |
bd3f30da7bc1
replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents:
33165
diff
changeset
|
547 |
|
bd3f30da7bc1
replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents:
33165
diff
changeset
|
548 |
fun raw_goal state = |
bd3f30da7bc1
replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents:
33165
diff
changeset
|
549 |
let val (ctxt, (facts, goal)) = get_goal state |
bd3f30da7bc1
replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents:
33165
diff
changeset
|
550 |
in {context = ctxt, facts = facts, goal = goal} end; |
bd3f30da7bc1
replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents:
33165
diff
changeset
|
551 |
|
bd3f30da7bc1
replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents:
33165
diff
changeset
|
552 |
val goal = raw_goal o refine_insert []; |
bd3f30da7bc1
replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents:
33165
diff
changeset
|
553 |
|
bd3f30da7bc1
replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents:
33165
diff
changeset
|
554 |
fun simple_goal state = |
bd3f30da7bc1
replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents:
33165
diff
changeset
|
555 |
let |
bd3f30da7bc1
replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents:
33165
diff
changeset
|
556 |
val (_, (facts, _)) = get_goal state; |
bd3f30da7bc1
replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents:
33165
diff
changeset
|
557 |
val (ctxt, (_, goal)) = get_goal (refine_insert facts state); |
bd3f30da7bc1
replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents:
33165
diff
changeset
|
558 |
in {context = ctxt, goal = goal} end; |
bd3f30da7bc1
replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents:
33165
diff
changeset
|
559 |
|
38721
ca8b14fa0d0d
added some proof state markup, notably number of subgoals (e.g. for indentation);
wenzelm
parents:
38333
diff
changeset
|
560 |
fun status_markup state = |
ca8b14fa0d0d
added some proof state markup, notably number of subgoals (e.g. for indentation);
wenzelm
parents:
38333
diff
changeset
|
561 |
(case try goal state of |
45666 | 562 |
SOME {goal, ...} => Isabelle_Markup.proof_state (Thm.nprems_of goal) |
38721
ca8b14fa0d0d
added some proof state markup, notably number of subgoals (e.g. for indentation);
wenzelm
parents:
38333
diff
changeset
|
563 |
| NONE => Markup.empty); |
ca8b14fa0d0d
added some proof state markup, notably number of subgoals (e.g. for indentation);
wenzelm
parents:
38333
diff
changeset
|
564 |
|
33288
bd3f30da7bc1
replaced slightly odd get_goal/flat_goal by explicit goal views that correspond to the usual method categories;
wenzelm
parents:
33165
diff
changeset
|
565 |
|
5820 | 566 |
|
567 |
(*** structured proof commands ***) |
|
568 |
||
17112 | 569 |
(** context elements **) |
5820 | 570 |
|
36324 | 571 |
(* let bindings *) |
5820 | 572 |
|
16813 | 573 |
local |
574 |
||
17359 | 575 |
fun gen_bind bind args state = |
5820 | 576 |
state |
577 |
|> assert_forward |
|
36324 | 578 |
|> map_context (bind true args #> snd) |
47068 | 579 |
|> reset_facts; |
5820 | 580 |
|
16813 | 581 |
in |
582 |
||
42360 | 583 |
val let_bind = gen_bind Proof_Context.match_bind_i; |
584 |
val let_bind_cmd = gen_bind Proof_Context.match_bind; |
|
5820 | 585 |
|
16813 | 586 |
end; |
587 |
||
5820 | 588 |
|
36505
79c1d2bbe5a9
ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents:
36354
diff
changeset
|
589 |
(* concrete syntax *) |
79c1d2bbe5a9
ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents:
36354
diff
changeset
|
590 |
|
79c1d2bbe5a9
ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents:
36354
diff
changeset
|
591 |
local |
79c1d2bbe5a9
ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents:
36354
diff
changeset
|
592 |
|
36507
c966a1aab860
'write': actually observe the proof structure (like 'let' or 'fix');
wenzelm
parents:
36505
diff
changeset
|
593 |
fun gen_write prep_arg mode args = |
c966a1aab860
'write': actually observe the proof structure (like 'let' or 'fix');
wenzelm
parents:
36505
diff
changeset
|
594 |
assert_forward |
42360 | 595 |
#> map_context (fn ctxt => ctxt |> Proof_Context.notation true mode (map (prep_arg ctxt) args)) |
47068 | 596 |
#> reset_facts; |
36505
79c1d2bbe5a9
ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents:
36354
diff
changeset
|
597 |
|
79c1d2bbe5a9
ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents:
36354
diff
changeset
|
598 |
in |
79c1d2bbe5a9
ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents:
36354
diff
changeset
|
599 |
|
79c1d2bbe5a9
ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents:
36354
diff
changeset
|
600 |
val write = gen_write (K I); |
79c1d2bbe5a9
ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents:
36354
diff
changeset
|
601 |
|
79c1d2bbe5a9
ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents:
36354
diff
changeset
|
602 |
val write_cmd = |
79c1d2bbe5a9
ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents:
36354
diff
changeset
|
603 |
gen_write (fn ctxt => fn (c, mx) => |
42360 | 604 |
(Proof_Context.read_const ctxt false (Mixfix.mixfixT mx) c, mx)); |
36505
79c1d2bbe5a9
ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents:
36354
diff
changeset
|
605 |
|
79c1d2bbe5a9
ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents:
36354
diff
changeset
|
606 |
end; |
79c1d2bbe5a9
ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents:
36354
diff
changeset
|
607 |
|
79c1d2bbe5a9
ProofContext.read_const: allow for type constraint (for fixed variable);
wenzelm
parents:
36354
diff
changeset
|
608 |
|
17359 | 609 |
(* fix *) |
9196 | 610 |
|
12714 | 611 |
local |
612 |
||
30763
6976521b4263
renamed ProofContext.add_fixes_i to ProofContext.add_fixes, eliminated obsolete external version;
wenzelm
parents:
30761
diff
changeset
|
613 |
fun gen_fix prep_vars args = |
17359 | 614 |
assert_forward |
45597 | 615 |
#> map_context (fn ctxt => snd (Proof_Context.add_fixes (fst (prep_vars args ctxt)) ctxt)) |
47068 | 616 |
#> reset_facts; |
5820 | 617 |
|
16813 | 618 |
in |
619 |
||
45597 | 620 |
val fix = gen_fix Proof_Context.cert_vars; |
621 |
val fix_cmd = gen_fix Proof_Context.read_vars; |
|
5820 | 622 |
|
16813 | 623 |
end; |
624 |
||
5820 | 625 |
|
17359 | 626 |
(* assume etc. *) |
5820 | 627 |
|
16813 | 628 |
local |
629 |
||
17112 | 630 |
fun gen_assume asm prep_att exp args state = |
5820 | 631 |
state |
632 |
|> assert_forward |
|
47815 | 633 |
|> map_context_result (asm exp (Attrib.map_specs (map (prep_att (context_of state))) args)) |
17359 | 634 |
|> these_factss [] |> #2; |
6932 | 635 |
|
16813 | 636 |
in |
637 |
||
42360 | 638 |
val assm = gen_assume Proof_Context.add_assms_i (K I); |
47815 | 639 |
val assm_cmd = gen_assume Proof_Context.add_assms Attrib.attribute_cmd; |
36323
655e2d74de3a
modernized naming conventions of main Isar proof elements;
wenzelm
parents:
36322
diff
changeset
|
640 |
val assume = assm Assumption.assume_export; |
655e2d74de3a
modernized naming conventions of main Isar proof elements;
wenzelm
parents:
36322
diff
changeset
|
641 |
val assume_cmd = assm_cmd Assumption.assume_export; |
655e2d74de3a
modernized naming conventions of main Isar proof elements;
wenzelm
parents:
36322
diff
changeset
|
642 |
val presume = assm Assumption.presume_export; |
655e2d74de3a
modernized naming conventions of main Isar proof elements;
wenzelm
parents:
36322
diff
changeset
|
643 |
val presume_cmd = assm_cmd Assumption.presume_export; |
5820 | 644 |
|
16813 | 645 |
end; |
646 |
||
7271 | 647 |
|
17359 | 648 |
(* def *) |
11891 | 649 |
|
16813 | 650 |
local |
651 |
||
20913 | 652 |
fun gen_def prep_att prep_vars prep_binds args state = |
11891 | 653 |
let |
654 |
val _ = assert_forward state; |
|
20913 | 655 |
val (raw_name_atts, (raw_vars, raw_rhss)) = args |> split_list ||> split_list; |
47815 | 656 |
val name_atts = map (apsnd (map (prep_att (context_of state)))) raw_name_atts; |
11891 | 657 |
in |
20913 | 658 |
state |
659 |
|> map_context_result (prep_vars (map (fn (x, mx) => (x, NONE, mx)) raw_vars)) |
|
660 |
|>> map (fn (x, _, mx) => (x, mx)) |
|
661 |
|-> (fn vars => |
|
662 |
map_context_result (prep_binds false (map swap raw_rhss)) |
|
35624 | 663 |
#-> (fn rhss => map_context_result (Local_Defs.add_defs (vars ~~ (name_atts ~~ rhss))))) |
47068 | 664 |
|-> (set_facts o map (#2 o #2)) |
11891 | 665 |
end; |
666 |
||
16813 | 667 |
in |
668 |
||
42360 | 669 |
val def = gen_def (K I) Proof_Context.cert_vars Proof_Context.match_bind_i; |
47815 | 670 |
val def_cmd = gen_def Attrib.attribute_cmd Proof_Context.read_vars Proof_Context.match_bind; |
11891 | 671 |
|
16813 | 672 |
end; |
673 |
||
11891 | 674 |
|
8374 | 675 |
|
17112 | 676 |
(** facts **) |
5820 | 677 |
|
17359 | 678 |
(* chain *) |
5820 | 679 |
|
24011 | 680 |
fun clean_facts ctxt = |
47068 | 681 |
set_facts (filter_out Thm.is_dummy (the_facts ctxt)) ctxt; |
24011 | 682 |
|
17359 | 683 |
val chain = |
684 |
assert_forward |
|
24011 | 685 |
#> clean_facts |
17359 | 686 |
#> enter_chain; |
5820 | 687 |
|
17359 | 688 |
fun chain_facts facts = |
47068 | 689 |
set_facts facts |
17359 | 690 |
#> chain; |
5820 | 691 |
|
692 |
||
17359 | 693 |
(* note etc. *) |
17112 | 694 |
|
28965 | 695 |
fun no_binding args = map (pair (Binding.empty, [])) args; |
17112 | 696 |
|
697 |
local |
|
698 |
||
30760
0fffc66b10d7
simplified references to facts, eliminated external note_thmss;
wenzelm
parents:
30757
diff
changeset
|
699 |
fun gen_thmss more_facts opt_chain opt_result prep_atts prep_fact args state = |
17112 | 700 |
state |
701 |
|> assert_forward |
|
47815 | 702 |
|> map_context_result (fn ctxt => ctxt |> Proof_Context.note_thmss "" |
703 |
(Attrib.map_facts_refs (map (prep_atts ctxt)) (prep_fact ctxt) args)) |
|
17112 | 704 |
|> these_factss (more_facts state) |
17359 | 705 |
||> opt_chain |
706 |
|> opt_result; |
|
17112 | 707 |
|
708 |
in |
|
709 |
||
36323
655e2d74de3a
modernized naming conventions of main Isar proof elements;
wenzelm
parents:
36322
diff
changeset
|
710 |
val note_thmss = gen_thmss (K []) I #2 (K I) (K I); |
47815 | 711 |
val note_thmss_cmd = gen_thmss (K []) I #2 Attrib.attribute_cmd Proof_Context.get_fact; |
17112 | 712 |
|
36323
655e2d74de3a
modernized naming conventions of main Isar proof elements;
wenzelm
parents:
36322
diff
changeset
|
713 |
val from_thmss = gen_thmss (K []) chain #2 (K I) (K I) o no_binding; |
47815 | 714 |
val from_thmss_cmd = |
715 |
gen_thmss (K []) chain #2 Attrib.attribute_cmd Proof_Context.get_fact o no_binding; |
|
17359 | 716 |
|
36323
655e2d74de3a
modernized naming conventions of main Isar proof elements;
wenzelm
parents:
36322
diff
changeset
|
717 |
val with_thmss = gen_thmss the_facts chain #2 (K I) (K I) o no_binding; |
47815 | 718 |
val with_thmss_cmd = |
719 |
gen_thmss the_facts chain #2 Attrib.attribute_cmd Proof_Context.get_fact o no_binding; |
|
30760
0fffc66b10d7
simplified references to facts, eliminated external note_thmss;
wenzelm
parents:
30757
diff
changeset
|
720 |
|
0fffc66b10d7
simplified references to facts, eliminated external note_thmss;
wenzelm
parents:
30757
diff
changeset
|
721 |
val local_results = gen_thmss (K []) I I (K I) (K I) o map (apsnd Thm.simple_fact); |
17359 | 722 |
|
17112 | 723 |
end; |
724 |
||
725 |
||
18548 | 726 |
(* using/unfolding *) |
17112 | 727 |
|
728 |
local |
|
729 |
||
45390
e29521ef9059
tuned signature -- avoid spurious Thm.mixed_attribute;
wenzelm
parents:
45327
diff
changeset
|
730 |
fun gen_using f g prep_att prep_fact args state = |
17112 | 731 |
state |
732 |
|> assert_backward |
|
21442 | 733 |
|> map_context_result |
47815 | 734 |
(fn ctxt => ctxt |> Proof_Context.note_thmss "" |
735 |
(Attrib.map_facts_refs (map (prep_att ctxt)) (prep_fact ctxt) (no_binding args))) |
|
18843 | 736 |
|> (fn (named_facts, state') => |
24556 | 737 |
state' |> map_goal I (fn (statement, _, using, goal, before_qed, after_qed) => |
18843 | 738 |
let |
739 |
val ctxt = context_of state'; |
|
19482
9f11af8f7ef9
tuned basic list operators (flat, maps, map_filter);
wenzelm
parents:
19475
diff
changeset
|
740 |
val ths = maps snd named_facts; |
47431
d9dd4a9f18fc
more precise declaration of goal_tfrees in forked proof state;
wenzelm
parents:
47416
diff
changeset
|
741 |
in (statement, [], f ctxt ths using, g ctxt ths goal, before_qed, after_qed) end) I); |
18548 | 742 |
|
24050 | 743 |
fun append_using _ ths using = using @ filter_out Thm.is_dummy ths; |
35624 | 744 |
fun unfold_using ctxt ths = map (Local_Defs.unfold ctxt ths); |
745 |
val unfold_goals = Local_Defs.unfold_goals; |
|
17112 | 746 |
|
747 |
in |
|
748 |
||
36323
655e2d74de3a
modernized naming conventions of main Isar proof elements;
wenzelm
parents:
36322
diff
changeset
|
749 |
val using = gen_using append_using (K (K I)) (K I) (K I); |
47815 | 750 |
val using_cmd = gen_using append_using (K (K I)) Attrib.attribute_cmd Proof_Context.get_fact; |
36323
655e2d74de3a
modernized naming conventions of main Isar proof elements;
wenzelm
parents:
36322
diff
changeset
|
751 |
val unfolding = gen_using unfold_using unfold_goals (K I) (K I); |
47815 | 752 |
val unfolding_cmd = gen_using unfold_using unfold_goals Attrib.attribute_cmd Proof_Context.get_fact; |
17112 | 753 |
|
754 |
end; |
|
755 |
||
756 |
||
757 |
(* case *) |
|
758 |
||
759 |
local |
|
760 |
||
30419
c944e299eaf9
invoke_case: proper qualification of name binding, avoiding old no_base_names;
wenzelm
parents:
30279
diff
changeset
|
761 |
fun qualified_binding a = |
c944e299eaf9
invoke_case: proper qualification of name binding, avoiding old no_base_names;
wenzelm
parents:
30279
diff
changeset
|
762 |
Binding.qualify true (Long_Name.qualifier a) (Binding.name (Long_Name.base_name a)); |
c944e299eaf9
invoke_case: proper qualification of name binding, avoiding old no_base_names;
wenzelm
parents:
30279
diff
changeset
|
763 |
|
17112 | 764 |
fun gen_invoke_case prep_att (name, xs, raw_atts) state = |
765 |
let |
|
47815 | 766 |
val atts = map (prep_att (context_of state)) raw_atts; |
19078 | 767 |
val (asms, state') = state |> map_context_result (fn ctxt => |
42360 | 768 |
ctxt |> Proof_Context.apply_case (Proof_Context.get_case ctxt name xs)); |
30419
c944e299eaf9
invoke_case: proper qualification of name binding, avoiding old no_base_names;
wenzelm
parents:
30279
diff
changeset
|
769 |
val assumptions = asms |> map (fn (a, ts) => ((qualified_binding a, atts), map (rpair []) ts)); |
17112 | 770 |
in |
771 |
state' |
|
36323
655e2d74de3a
modernized naming conventions of main Isar proof elements;
wenzelm
parents:
36322
diff
changeset
|
772 |
|> assume assumptions |
33386 | 773 |
|> bind_terms Auto_Bind.no_facts |
36323
655e2d74de3a
modernized naming conventions of main Isar proof elements;
wenzelm
parents:
36322
diff
changeset
|
774 |
|> `the_facts |-> (fn thms => note_thmss [((Binding.name name, []), [(thms, [])])]) |
17112 | 775 |
end; |
776 |
||
777 |
in |
|
778 |
||
36323
655e2d74de3a
modernized naming conventions of main Isar proof elements;
wenzelm
parents:
36322
diff
changeset
|
779 |
val invoke_case = gen_invoke_case (K I); |
47815 | 780 |
val invoke_case_cmd = gen_invoke_case Attrib.attribute_cmd; |
17112 | 781 |
|
782 |
end; |
|
783 |
||
784 |
||
785 |
||
17359 | 786 |
(** proof structure **) |
787 |
||
788 |
(* blocks *) |
|
789 |
||
790 |
val begin_block = |
|
791 |
assert_forward |
|
792 |
#> open_block |
|
47068 | 793 |
#> reset_goal |
17359 | 794 |
#> open_block; |
795 |
||
796 |
val next_block = |
|
797 |
assert_forward |
|
798 |
#> close_block |
|
799 |
#> open_block |
|
47068 | 800 |
#> reset_goal |
801 |
#> reset_facts; |
|
17359 | 802 |
|
803 |
fun end_block state = |
|
804 |
state |
|
805 |
|> assert_forward |
|
40960 | 806 |
|> assert_bottom false |
17359 | 807 |
|> close_block |
808 |
|> assert_current_goal false |
|
809 |
|> close_block |
|
810 |
|> export_facts state; |
|
811 |
||
812 |
||
40960 | 813 |
(* global notepad *) |
814 |
||
815 |
val begin_notepad = |
|
816 |
init |
|
817 |
#> open_block |
|
818 |
#> map_context (Variable.set_body true) |
|
819 |
#> open_block; |
|
820 |
||
821 |
val end_notepad = |
|
822 |
assert_forward |
|
823 |
#> assert_bottom true |
|
824 |
#> close_block |
|
825 |
#> assert_current_goal false |
|
826 |
#> close_block |
|
827 |
#> context_of; |
|
828 |
||
829 |
||
17359 | 830 |
(* sub-proofs *) |
831 |
||
832 |
fun proof opt_text = |
|
833 |
assert_backward |
|
17859 | 834 |
#> refine (the_default Method.default_text opt_text) |
17359 | 835 |
#> Seq.map (using_facts [] #> enter_forward); |
836 |
||
23360 | 837 |
fun end_proof bot txt state = |
838 |
state |
|
839 |
|> assert_forward |
|
840 |
|> assert_bottom bot |
|
841 |
|> close_block |
|
842 |
|> assert_current_goal true |
|
843 |
|> using_facts [] |
|
844 |
|> `before_qed |-> (refine o the_default Method.succeed_text) |
|
32193
c314b4836031
basic method application: avoid Position.setmp_thread_data_seq, which destroys transaction context;
wenzelm
parents:
32187
diff
changeset
|
845 |
|> Seq.maps (refine (Method.finish_text txt)); |
17359 | 846 |
|
29383 | 847 |
fun check_result msg sq = |
848 |
(case Seq.pull sq of |
|
849 |
NONE => error msg |
|
850 |
| SOME (s, _) => s); |
|
851 |
||
852 |
fun check_finish sq = check_result "Failed to finish proof" sq; |
|
853 |
||
17359 | 854 |
|
855 |
(* unstructured refinement *) |
|
856 |
||
32193
c314b4836031
basic method application: avoid Position.setmp_thread_data_seq, which destroys transaction context;
wenzelm
parents:
32187
diff
changeset
|
857 |
fun defer i = assert_no_chain #> refine (Method.Basic (K (Method.defer i))); |
c314b4836031
basic method application: avoid Position.setmp_thread_data_seq, which destroys transaction context;
wenzelm
parents:
32187
diff
changeset
|
858 |
fun prefer i = assert_no_chain #> refine (Method.Basic (K (Method.prefer i))); |
17359 | 859 |
|
860 |
fun apply text = assert_backward #> refine text #> Seq.map (using_facts []); |
|
861 |
fun apply_end text = assert_forward #> refine_end text; |
|
862 |
||
863 |
||
864 |
||
17112 | 865 |
(** goals **) |
866 |
||
17359 | 867 |
(* generic goals *) |
868 |
||
19774
5fe7731d0836
allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents:
19585
diff
changeset
|
869 |
local |
5fe7731d0836
allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents:
19585
diff
changeset
|
870 |
|
36322
81cba3921ba5
goals: simplified handling of implicit variables -- removed obsolete warning;
wenzelm
parents:
35624
diff
changeset
|
871 |
val is_var = |
81cba3921ba5
goals: simplified handling of implicit variables -- removed obsolete warning;
wenzelm
parents:
35624
diff
changeset
|
872 |
can (dest_TVar o Logic.dest_type o Logic.dest_term) orf |
81cba3921ba5
goals: simplified handling of implicit variables -- removed obsolete warning;
wenzelm
parents:
35624
diff
changeset
|
873 |
can (dest_Var o Logic.dest_term); |
81cba3921ba5
goals: simplified handling of implicit variables -- removed obsolete warning;
wenzelm
parents:
35624
diff
changeset
|
874 |
|
81cba3921ba5
goals: simplified handling of implicit variables -- removed obsolete warning;
wenzelm
parents:
35624
diff
changeset
|
875 |
fun implicit_vars props = |
19846 | 876 |
let |
36354 | 877 |
val (var_props, _) = take_prefix is_var props; |
36322
81cba3921ba5
goals: simplified handling of implicit variables -- removed obsolete warning;
wenzelm
parents:
35624
diff
changeset
|
878 |
val explicit_vars = fold Term.add_vars var_props []; |
81cba3921ba5
goals: simplified handling of implicit variables -- removed obsolete warning;
wenzelm
parents:
35624
diff
changeset
|
879 |
val vars = filter_out (member (op =) explicit_vars) (fold Term.add_vars props []); |
81cba3921ba5
goals: simplified handling of implicit variables -- removed obsolete warning;
wenzelm
parents:
35624
diff
changeset
|
880 |
in map (Logic.mk_term o Var) vars end; |
19774
5fe7731d0836
allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents:
19585
diff
changeset
|
881 |
|
5fe7731d0836
allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents:
19585
diff
changeset
|
882 |
fun refine_terms n = |
30510
4120fc59dd85
unified type Proof.method and pervasive METHOD combinators;
wenzelm
parents:
30419
diff
changeset
|
883 |
refine (Method.Basic (K (RAW_METHOD |
19774
5fe7731d0836
allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents:
19585
diff
changeset
|
884 |
(K (HEADGOAL (PRECISE_CONJUNCTS n |
32193
c314b4836031
basic method application: avoid Position.setmp_thread_data_seq, which destroys transaction context;
wenzelm
parents:
32187
diff
changeset
|
885 |
(HEADGOAL (CONJUNCTS (ALLGOALS (rtac Drule.termI)))))))))) |
19774
5fe7731d0836
allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents:
19585
diff
changeset
|
886 |
#> Seq.hd; |
5fe7731d0836
allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents:
19585
diff
changeset
|
887 |
|
5fe7731d0836
allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents:
19585
diff
changeset
|
888 |
in |
17359 | 889 |
|
17859 | 890 |
fun generic_goal prepp kind before_qed after_qed raw_propp state = |
5820 | 891 |
let |
17359 | 892 |
val thy = theory_of state; |
23418 | 893 |
val cert = Thm.cterm_of thy; |
17359 | 894 |
val chaining = can assert_chain state; |
25958 | 895 |
val pos = Position.thread_data (); |
17359 | 896 |
|
897 |
val ((propss, after_ctxt), goal_state) = |
|
5936 | 898 |
state |
899 |
|> assert_forward_or_chain |
|
900 |
|> enter_forward |
|
17359 | 901 |
|> open_block |
45327 | 902 |
|> map_context_result (prepp raw_propp); |
19482
9f11af8f7ef9
tuned basic list operators (flat, maps, map_filter);
wenzelm
parents:
19475
diff
changeset
|
903 |
val props = flat propss; |
15703 | 904 |
|
36322
81cba3921ba5
goals: simplified handling of implicit variables -- removed obsolete warning;
wenzelm
parents:
35624
diff
changeset
|
905 |
val vars = implicit_vars props; |
81cba3921ba5
goals: simplified handling of implicit variables -- removed obsolete warning;
wenzelm
parents:
35624
diff
changeset
|
906 |
val propss' = vars :: propss; |
23418 | 907 |
val goal_propss = filter_out null propss'; |
29346
fe6843aa4f5f
more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents:
29090
diff
changeset
|
908 |
val goal = |
fe6843aa4f5f
more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents:
29090
diff
changeset
|
909 |
cert (Logic.mk_conjunction_balanced (map Logic.mk_conjunction_balanced goal_propss)) |
28627
63663cfa297c
conclude_goal: precise goal context, include all sorts from context into statement, check shyps of result;
wenzelm
parents:
28458
diff
changeset
|
910 |
|> Thm.weaken_sorts (Variable.sorts_of (context_of goal_state)); |
29346
fe6843aa4f5f
more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents:
29090
diff
changeset
|
911 |
val statement = ((kind, pos), propss', Thm.term_of goal); |
18124 | 912 |
val after_qed' = after_qed |>> (fn after_local => |
913 |
fn results => map_context after_ctxt #> after_local results); |
|
5820 | 914 |
in |
17359 | 915 |
goal_state |
21727 | 916 |
|> map_context (init_context #> Variable.set_body true) |
47068 | 917 |
|> set_goal (make_goal (statement, [], [], Goal.init goal, before_qed, after_qed')) |
42360 | 918 |
|> map_context (Proof_Context.auto_bind_goal props) |
21565 | 919 |
|> chaining ? (`the_facts #-> using_facts) |
47068 | 920 |
|> reset_facts |
17359 | 921 |
|> open_block |
47068 | 922 |
|> reset_goal |
5820 | 923 |
|> enter_backward |
23418 | 924 |
|> not (null vars) ? refine_terms (length goal_propss) |
32193
c314b4836031
basic method application: avoid Position.setmp_thread_data_seq, which destroys transaction context;
wenzelm
parents:
32187
diff
changeset
|
925 |
|> null props ? (refine (Method.Basic Method.assumption) #> Seq.hd) |
5820 | 926 |
end; |
927 |
||
29090
bbfac5fd8d78
global_qed: refrain from ProofContext.auto_bind_facts, to avoid
wenzelm
parents:
28981
diff
changeset
|
928 |
fun generic_qed after_ctxt state = |
12503 | 929 |
let |
36354 | 930 |
val (goal_ctxt, {statement = (_, stmt, _), goal, after_qed, ...}) = current_goal state; |
8617
33e2bd53aec3
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8582
diff
changeset
|
931 |
val outer_state = state |> close_block; |
33e2bd53aec3
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8582
diff
changeset
|
932 |
val outer_ctxt = context_of outer_state; |
33e2bd53aec3
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8582
diff
changeset
|
933 |
|
18503
841137f20307
goal/qed: proper treatment of two levels of conjunctions;
wenzelm
parents:
18475
diff
changeset
|
934 |
val props = |
19774
5fe7731d0836
allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents:
19585
diff
changeset
|
935 |
flat (tl stmt) |
19915 | 936 |
|> Variable.exportT_terms goal_ctxt outer_ctxt; |
17359 | 937 |
val results = |
28627
63663cfa297c
conclude_goal: precise goal context, include all sorts from context into statement, check shyps of result;
wenzelm
parents:
28458
diff
changeset
|
938 |
tl (conclude_goal goal_ctxt goal stmt) |
42360 | 939 |
|> burrow (Proof_Context.export goal_ctxt outer_ctxt); |
17359 | 940 |
in |
941 |
outer_state |
|
49013
1266b51f9bbc
register proofs of Isar goals, to enable recovery from unstable command states after interactive cancellation;
wenzelm
parents:
49012
diff
changeset
|
942 |
|> register_proofs (flat results) |
29090
bbfac5fd8d78
global_qed: refrain from ProofContext.auto_bind_facts, to avoid
wenzelm
parents:
28981
diff
changeset
|
943 |
|> map_context (after_ctxt props) |
34239
e18b0f7b9902
after_qed: refrain from Position.setmp_thread_data, which causes duplication of results with several independent proof attempts;
wenzelm
parents:
33389
diff
changeset
|
944 |
|> pair (after_qed, results) |
17359 | 945 |
end; |
946 |
||
19774
5fe7731d0836
allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents:
19585
diff
changeset
|
947 |
end; |
5fe7731d0836
allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents:
19585
diff
changeset
|
948 |
|
9469 | 949 |
|
17359 | 950 |
(* local goals *) |
951 |
||
17859 | 952 |
fun local_goal print_results prep_att prepp kind before_qed after_qed stmt state = |
17359 | 953 |
let |
21362
3a2ab1dce297
simplified Proof.theorem(_i) interface -- removed target support;
wenzelm
parents:
21274
diff
changeset
|
954 |
val ((names, attss), propp) = |
47815 | 955 |
Attrib.map_specs (map (prep_att (context_of state))) stmt |> split_list |>> split_list; |
17359 | 956 |
|
18124 | 957 |
fun after_qed' results = |
18808 | 958 |
local_results ((names ~~ attss) ~~ results) |
17359 | 959 |
#-> (fn res => tap (fn st => print_results (context_of st) ((kind, ""), res) : unit)) |
18124 | 960 |
#> after_qed results; |
5820 | 961 |
in |
17359 | 962 |
state |
21362
3a2ab1dce297
simplified Proof.theorem(_i) interface -- removed target support;
wenzelm
parents:
21274
diff
changeset
|
963 |
|> generic_goal prepp kind before_qed (after_qed', K I) propp |
19900
21a99d88d925
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19862
diff
changeset
|
964 |
|> tap (Variable.warn_extra_tfrees (context_of state) o context_of) |
5820 | 965 |
end; |
966 |
||
29383 | 967 |
fun local_qeds txt = |
968 |
end_proof false txt |
|
42360 | 969 |
#> Seq.map (generic_qed Proof_Context.auto_bind_facts #-> |
29090
bbfac5fd8d78
global_qed: refrain from ProofContext.auto_bind_facts, to avoid
wenzelm
parents:
28981
diff
changeset
|
970 |
(fn ((after_qed, _), results) => after_qed results)); |
5820 | 971 |
|
29383 | 972 |
fun local_qed txt = local_qeds txt #> check_finish; |
973 |
||
5820 | 974 |
|
17359 | 975 |
(* global goals *) |
976 |
||
45327 | 977 |
fun prepp_auto_fixes prepp args = |
978 |
prepp args #> |
|
979 |
(fn ((propss, a), ctxt) => ((propss, a), (fold o fold) Variable.auto_fixes propss ctxt)); |
|
980 |
||
981 |
fun global_goal prepp before_qed after_qed propp = |
|
982 |
init #> |
|
983 |
generic_goal (prepp_auto_fixes prepp) "" before_qed (K I, after_qed) propp; |
|
17359 | 984 |
|
42360 | 985 |
val theorem = global_goal Proof_Context.bind_propp_schematic_i; |
986 |
val theorem_cmd = global_goal Proof_Context.bind_propp_schematic; |
|
12065 | 987 |
|
17359 | 988 |
fun global_qeds txt = |
989 |
end_proof true txt |
|
29090
bbfac5fd8d78
global_qed: refrain from ProofContext.auto_bind_facts, to avoid
wenzelm
parents:
28981
diff
changeset
|
990 |
#> Seq.map (generic_qed (K I) #> (fn (((_, after_qed), results), state) => |
29383 | 991 |
after_qed results (context_of state))); |
17112 | 992 |
|
29383 | 993 |
fun global_qed txt = global_qeds txt #> check_finish; |
12959 | 994 |
|
5820 | 995 |
|
17359 | 996 |
(* concluding steps *) |
17112 | 997 |
|
29383 | 998 |
fun terminal_proof qed initial terminal = |
999 |
proof (SOME initial) #> Seq.maps (qed terminal) #> check_finish; |
|
17112 | 1000 |
|
29383 | 1001 |
fun local_terminal_proof (text, opt_text) = terminal_proof local_qeds text (opt_text, true); |
17112 | 1002 |
val local_default_proof = local_terminal_proof (Method.default_text, NONE); |
1003 |
val local_immediate_proof = local_terminal_proof (Method.this_text, NONE); |
|
17359 | 1004 |
fun local_skip_proof int = local_terminal_proof (Method.sorry_text int, NONE); |
29383 | 1005 |
val local_done_proof = terminal_proof local_qeds Method.done_text (NONE, false); |
17112 | 1006 |
|
29383 | 1007 |
fun global_terminal_proof (text, opt_text) = terminal_proof global_qeds text (opt_text, true); |
17112 | 1008 |
val global_default_proof = global_terminal_proof (Method.default_text, NONE); |
1009 |
val global_immediate_proof = global_terminal_proof (Method.this_text, NONE); |
|
17359 | 1010 |
fun global_skip_proof int = global_terminal_proof (Method.sorry_text int, NONE); |
29383 | 1011 |
val global_done_proof = terminal_proof global_qeds Method.done_text (NONE, false); |
5820 | 1012 |
|
6896 | 1013 |
|
17359 | 1014 |
(* common goal statements *) |
1015 |
||
1016 |
local |
|
1017 |
||
17859 | 1018 |
fun gen_have prep_att prepp before_qed after_qed stmt int = |
46728
85f8e3932712
display proof results as "state", to suppress odd squiggles in the Prover IDE (see also 9240be8c8c69);
wenzelm
parents:
46466
diff
changeset
|
1019 |
local_goal (Proof_Display.print_results Isabelle_Markup.state int) |
85f8e3932712
display proof results as "state", to suppress odd squiggles in the Prover IDE (see also 9240be8c8c69);
wenzelm
parents:
46466
diff
changeset
|
1020 |
prep_att prepp "have" before_qed after_qed stmt; |
6896 | 1021 |
|
17859 | 1022 |
fun gen_show prep_att prepp before_qed after_qed stmt int state = |
17359 | 1023 |
let |
32738 | 1024 |
val testing = Unsynchronized.ref false; |
1025 |
val rule = Unsynchronized.ref (NONE: thm option); |
|
17359 | 1026 |
fun fail_msg ctxt = |
29383 | 1027 |
"Local statement will fail to refine any pending goal" :: |
33389 | 1028 |
(case ! rule of NONE => [] | SOME th => [Proof_Display.string_of_rule ctxt "Failed" th]) |
17359 | 1029 |
|> cat_lines; |
6896 | 1030 |
|
17359 | 1031 |
fun print_results ctxt res = |
46728
85f8e3932712
display proof results as "state", to suppress odd squiggles in the Prover IDE (see also 9240be8c8c69);
wenzelm
parents:
46466
diff
changeset
|
1032 |
if ! testing then () |
85f8e3932712
display proof results as "state", to suppress odd squiggles in the Prover IDE (see also 9240be8c8c69);
wenzelm
parents:
46466
diff
changeset
|
1033 |
else Proof_Display.print_results Isabelle_Markup.state int ctxt res; |
17359 | 1034 |
fun print_rule ctxt th = |
1035 |
if ! testing then rule := SOME th |
|
41181
9240be8c8c69
show: display goal refinement rule as "state", to avoid odd Output.urgent_message and make its association with the goal more explicit;
wenzelm
parents:
40960
diff
changeset
|
1036 |
else if int then |
45666 | 1037 |
writeln |
1038 |
(Markup.markup Isabelle_Markup.state (Proof_Display.string_of_rule ctxt "Successful" th)) |
|
17359 | 1039 |
else (); |
1040 |
val test_proof = |
|
29383 | 1041 |
try (local_skip_proof true) |
39616
8052101883c3
renamed setmp_noncritical to Unsynchronized.setmp to emphasize its meaning;
wenzelm
parents:
39232
diff
changeset
|
1042 |
|> Unsynchronized.setmp testing true |
42042 | 1043 |
|> Exn.interruptible_capture; |
6896 | 1044 |
|
18124 | 1045 |
fun after_qed' results = |
19482
9f11af8f7ef9
tuned basic list operators (flat, maps, map_filter);
wenzelm
parents:
19475
diff
changeset
|
1046 |
refine_goals print_rule (context_of state) (flat results) |
29383 | 1047 |
#> check_result "Failed to refine any pending goal" |
1048 |
#> after_qed results; |
|
17359 | 1049 |
in |
1050 |
state |
|
17859 | 1051 |
|> local_goal print_results prep_att prepp "show" before_qed after_qed' stmt |
21565 | 1052 |
|> int ? (fn goal_state => |
17359 | 1053 |
(case test_proof goal_state of |
43761
e72ba84ae58f
tuned signature -- corresponding to Scala version;
wenzelm
parents:
42717
diff
changeset
|
1054 |
Exn.Res (SOME _) => goal_state |
e72ba84ae58f
tuned signature -- corresponding to Scala version;
wenzelm
parents:
42717
diff
changeset
|
1055 |
| Exn.Res NONE => error (fail_msg (context_of goal_state)) |
42042 | 1056 |
| Exn.Exn exn => raise Exn.EXCEPTIONS ([exn, ERROR (fail_msg (context_of goal_state))]))) |
17359 | 1057 |
end; |
1058 |
||
1059 |
in |
|
1060 |
||
42360 | 1061 |
val have = gen_have (K I) Proof_Context.bind_propp_i; |
47815 | 1062 |
val have_cmd = gen_have Attrib.attribute_cmd Proof_Context.bind_propp; |
42360 | 1063 |
val show = gen_show (K I) Proof_Context.bind_propp_i; |
47815 | 1064 |
val show_cmd = gen_show Attrib.attribute_cmd Proof_Context.bind_propp; |
6896 | 1065 |
|
5820 | 1066 |
end; |
17359 | 1067 |
|
28410 | 1068 |
|
29385
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1069 |
|
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1070 |
(** future proofs **) |
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1071 |
|
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1072 |
(* relevant proof states *) |
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1073 |
|
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1074 |
fun is_schematic t = |
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1075 |
Term.exists_subterm Term.is_Var t orelse |
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1076 |
Term.exists_type (Term.exists_subtype Term.is_TVar) t; |
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1077 |
|
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1078 |
fun schematic_goal state = |
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1079 |
let val (_, (_, {statement = (_, _, prop), ...})) = find_goal state |
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1080 |
in is_schematic prop end; |
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1081 |
|
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1082 |
fun is_relevant state = |
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1083 |
(case try find_goal state of |
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1084 |
NONE => true |
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1085 |
| SOME (_, (_, {statement = (_, _, prop), goal, ...})) => |
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1086 |
is_schematic prop orelse not (Logic.protect prop aconv Thm.concl_of goal)); |
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1087 |
|
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1088 |
|
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1089 |
(* full proofs *) |
28410 | 1090 |
|
29346
fe6843aa4f5f
more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents:
29090
diff
changeset
|
1091 |
local |
fe6843aa4f5f
more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents:
29090
diff
changeset
|
1092 |
|
29385
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1093 |
fun future_proof done get_context fork_proof state = |
28410 | 1094 |
let |
29381
45d77aeb1608
future_terminal_proof: no fork for interactive mode, assert_backward;
wenzelm
parents:
29364
diff
changeset
|
1095 |
val _ = assert_backward state; |
28410 | 1096 |
val (goal_ctxt, (_, goal)) = find_goal state; |
32786 | 1097 |
val {statement as (kind, _, prop), messages, using, goal, before_qed, after_qed} = goal; |
47431
d9dd4a9f18fc
more precise declaration of goal_tfrees in forked proof state;
wenzelm
parents:
47416
diff
changeset
|
1098 |
val goal_tfrees = |
d9dd4a9f18fc
more precise declaration of goal_tfrees in forked proof state;
wenzelm
parents:
47416
diff
changeset
|
1099 |
fold Term.add_tfrees |
d9dd4a9f18fc
more precise declaration of goal_tfrees in forked proof state;
wenzelm
parents:
47416
diff
changeset
|
1100 |
(prop :: map Thm.term_of (Assumption.all_assms_of goal_ctxt)) []; |
28410 | 1101 |
|
29383 | 1102 |
val _ = is_relevant state andalso error "Cannot fork relevant proof"; |
1103 |
||
29346
fe6843aa4f5f
more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents:
29090
diff
changeset
|
1104 |
val prop' = Logic.protect prop; |
fe6843aa4f5f
more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents:
29090
diff
changeset
|
1105 |
val statement' = (kind, [[], [prop']], prop'); |
fe6843aa4f5f
more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents:
29090
diff
changeset
|
1106 |
val goal' = Thm.adjust_maxidx_thm (Thm.maxidx_of goal) |
fe6843aa4f5f
more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents:
29090
diff
changeset
|
1107 |
(Drule.comp_no_flatten (goal, Thm.nprems_of goal) 1 Drule.protectI); |
29385
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1108 |
|
33386 | 1109 |
fun after_local' [[th]] = put_thms false (Auto_Bind.thisN, SOME [th]); |
42360 | 1110 |
fun after_global' [[th]] = Proof_Context.put_thms false (Auto_Bind.thisN, SOME [th]); |
29385
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1111 |
val after_qed' = (after_local', after_global'); |
42360 | 1112 |
val this_name = Proof_Context.full_name goal_ctxt (Binding.name Auto_Bind.thisN); |
28410 | 1113 |
|
28973
c549650d1442
future proofs: pass actual futures to facilitate composite computations;
wenzelm
parents:
28627
diff
changeset
|
1114 |
val result_ctxt = |
c549650d1442
future proofs: pass actual futures to facilitate composite computations;
wenzelm
parents:
28627
diff
changeset
|
1115 |
state |
29385
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1116 |
|> map_goal I (K (statement', messages, using, goal', before_qed, after_qed')) |
47431
d9dd4a9f18fc
more precise declaration of goal_tfrees in forked proof state;
wenzelm
parents:
47416
diff
changeset
|
1117 |
(fold (Variable.declare_typ o TFree) goal_tfrees) |
29346
fe6843aa4f5f
more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents:
29090
diff
changeset
|
1118 |
|> fork_proof; |
28973
c549650d1442
future proofs: pass actual futures to facilitate composite computations;
wenzelm
parents:
28627
diff
changeset
|
1119 |
|
29385
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1120 |
val future_thm = result_ctxt |> Future.map (fn (_, x) => |
42360 | 1121 |
Proof_Context.get_fact_single (get_context x) (Facts.named this_name)); |
32062
457f5bcd3d76
Proof.future_proof: declare all assumptions as well;
wenzelm
parents:
32061
diff
changeset
|
1122 |
val finished_goal = Goal.future_result goal_ctxt future_thm prop'; |
28973
c549650d1442
future proofs: pass actual futures to facilitate composite computations;
wenzelm
parents:
28627
diff
changeset
|
1123 |
val state' = |
c549650d1442
future proofs: pass actual futures to facilitate composite computations;
wenzelm
parents:
28627
diff
changeset
|
1124 |
state |
47431
d9dd4a9f18fc
more precise declaration of goal_tfrees in forked proof state;
wenzelm
parents:
47416
diff
changeset
|
1125 |
|> map_goal I (K (statement, messages, using, finished_goal, NONE, after_qed)) I |
29385
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1126 |
|> done; |
28973
c549650d1442
future proofs: pass actual futures to facilitate composite computations;
wenzelm
parents:
28627
diff
changeset
|
1127 |
in (Future.map #1 result_ctxt, state') end; |
28410 | 1128 |
|
29385
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1129 |
in |
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1130 |
|
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1131 |
fun local_future_proof x = future_proof local_done_proof context_of x; |
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1132 |
fun global_future_proof x = future_proof global_done_proof I x; |
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1133 |
|
17359 | 1134 |
end; |
29346
fe6843aa4f5f
more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents:
29090
diff
changeset
|
1135 |
|
29385
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1136 |
|
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1137 |
(* terminal proofs *) |
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1138 |
|
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1139 |
local |
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1140 |
|
49012
8686c36fa27d
refined treatment of forked proofs at transaction boundaries, including proof commands (see also 7ee000ce5390);
wenzelm
parents:
49011
diff
changeset
|
1141 |
fun future_terminal_proof n proof1 proof2 meths int state = |
8686c36fa27d
refined treatment of forked proofs at transaction boundaries, including proof commands (see also 7ee000ce5390);
wenzelm
parents:
49011
diff
changeset
|
1142 |
if (Goal.future_enabled_level 4 orelse Goal.future_enabled_nested n andalso not int) |
8686c36fa27d
refined treatment of forked proofs at transaction boundaries, including proof commands (see also 7ee000ce5390);
wenzelm
parents:
49011
diff
changeset
|
1143 |
andalso not (is_relevant state) |
8686c36fa27d
refined treatment of forked proofs at transaction boundaries, including proof commands (see also 7ee000ce5390);
wenzelm
parents:
49011
diff
changeset
|
1144 |
then |
8686c36fa27d
refined treatment of forked proofs at transaction boundaries, including proof commands (see also 7ee000ce5390);
wenzelm
parents:
49011
diff
changeset
|
1145 |
snd (proof2 (fn state' => |
8686c36fa27d
refined treatment of forked proofs at transaction boundaries, including proof commands (see also 7ee000ce5390);
wenzelm
parents:
49011
diff
changeset
|
1146 |
Goal.fork_name "Proof.future_terminal_proof" (fn () => ((), proof1 meths state'))) state) |
8686c36fa27d
refined treatment of forked proofs at transaction boundaries, including proof commands (see also 7ee000ce5390);
wenzelm
parents:
49011
diff
changeset
|
1147 |
else proof1 meths state; |
29385
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1148 |
|
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1149 |
in |
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1150 |
|
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1151 |
fun local_future_terminal_proof x = |
49012
8686c36fa27d
refined treatment of forked proofs at transaction boundaries, including proof commands (see also 7ee000ce5390);
wenzelm
parents:
49011
diff
changeset
|
1152 |
future_terminal_proof 2 local_terminal_proof local_future_proof x; |
29385
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1153 |
|
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1154 |
fun global_future_terminal_proof x = |
49012
8686c36fa27d
refined treatment of forked proofs at transaction boundaries, including proof commands (see also 7ee000ce5390);
wenzelm
parents:
49011
diff
changeset
|
1155 |
future_terminal_proof 3 global_terminal_proof global_future_proof x; |
29350 | 1156 |
|
29346
fe6843aa4f5f
more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents:
29090
diff
changeset
|
1157 |
end; |
fe6843aa4f5f
more precise is_relevant: requires original main goal, not initial goal state;
wenzelm
parents:
29090
diff
changeset
|
1158 |
|
29385
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1159 |
end; |
c96b91bab2e6
future_proof: refined version covers local_future_proof and global_future_proof;
wenzelm
parents:
29383
diff
changeset
|
1160 |