/* Title: Pure/Thy/export_theory.scala
Author: Makarius
Export foundational theory content.
*/
package isabelle
object Export_Theory
{
/** session content **/
sealed case class Session(name: String, theory_graph: Graph[String, Theory])
{
override def toString: String = name
def theory(theory_name: String): Theory =
if (theory_graph.defined(theory_name)) theory_graph.get_node(theory_name)
else error("Bad theory " + quote(theory_name))
def theories: List[Theory] =
theory_graph.topological_order.map(theory_graph.get_node(_))
}
def read_session(store: Sessions.Store,
session_name: String,
types: Boolean = true,
consts: Boolean = true,
axioms: Boolean = true,
facts: Boolean = true,
classes: Boolean = true,
typedefs: Boolean = true): Session =
{
val thys =
using(store.open_database(session_name))(db =>
{
db.transaction {
Export.read_theory_names(db, session_name).map((theory_name: String) =>
read_theory(db, session_name, theory_name, types = types, consts = consts,
axioms = axioms, facts = facts, classes = classes, typedefs = typedefs))
}
})
val graph0 =
(Graph.string[Theory] /: thys) { case (g, thy) => g.new_node(thy.name, thy) }
val graph1 =
(graph0 /: thys) { case (g0, thy) =>
(g0 /: thy.parents) { case (g1, parent) =>
g1.default_node(parent, empty_theory(parent)).add_edge_acyclic(parent, thy.name) } }
Session(session_name, graph1)
}
/** theory content **/
sealed case class Theory(name: String, parents: List[String],
types: List[Type],
consts: List[Const],
axioms: List[Axiom],
facts: List[Fact],
classes: List[Class],
typedefs: List[Typedef])
{
override def toString: String = name
}
def empty_theory(name: String): Theory = Theory(name, Nil, Nil, Nil, Nil, Nil, Nil, Nil)
def read_theory(db: SQL.Database, session_name: String, theory_name: String,
types: Boolean = true,
consts: Boolean = true,
axioms: Boolean = true,
facts: Boolean = true,
classes: Boolean = true,
typedefs: Boolean = true): Theory =
{
val parents =
Export.read_entry(db, session_name, theory_name, "theory/parents") match {
case Some(entry) => split_lines(entry.uncompressed().text)
case None =>
error("Missing theory export in session " + quote(session_name) + ": " +
quote(theory_name))
}
Theory(theory_name, parents,
if (types) read_types(db, session_name, theory_name) else Nil,
if (consts) read_consts(db, session_name, theory_name) else Nil,
if (axioms) read_axioms(db, session_name, theory_name) else Nil,
if (facts) read_facts(db, session_name, theory_name) else Nil,
if (classes) read_classes(db, session_name, theory_name) else Nil,
if (typedefs) read_typedefs(db, session_name, theory_name) else Nil)
}
/* entities */
sealed case class Entity(name: String, serial: Long, pos: Position.T)
{
override def toString: String = name
}
def decode_entity(tree: XML.Tree): (Entity, XML.Body) =
{
def err(): Nothing = throw new XML.XML_Body(List(tree))
tree match {
case XML.Elem(Markup(Markup.ENTITY, props), body) =>
val name = Markup.Name.unapply(props) getOrElse err()
val serial = Markup.Serial.unapply(props) getOrElse err()
val pos = props.filter({ case (a, _) => Markup.POSITION_PROPERTIES(a) })
(Entity(name, serial, pos), body)
case _ => err()
}
}
def read_export[A](db: SQL.Database, session_name: String, theory_name: String,
export_name: String, decode: XML.Body => List[A]): List[A] =
{
Export.read_entry(db, session_name, theory_name, "theory/" + export_name) match {
case Some(entry) => decode(entry.uncompressed_yxml())
case None => Nil
}
}
def read_entities[A](db: SQL.Database, session_name: String, theory_name: String,
export_name: String, decode: XML.Tree => A): List[A] =
{
read_export(db, session_name, theory_name, export_name,
(body: XML.Body) => body.map(decode(_)))
}
/* types */
sealed case class Type(entity: Entity, args: List[String], abbrev: Option[Term.Typ])
def read_types(db: SQL.Database, session_name: String, theory_name: String): List[Type] =
read_entities(db, session_name, theory_name, "types",
(tree: XML.Tree) =>
{
val (entity, body) = decode_entity(tree)
val (args, abbrev) =
{
import XML.Decode._
pair(list(string), option(Term_XML.Decode.typ))(body)
}
Type(entity, args, abbrev)
})
/* consts */
sealed case class Const(
entity: Entity, typargs: List[String], typ: Term.Typ, abbrev: Option[Term.Term])
def read_consts(db: SQL.Database, session_name: String, theory_name: String): List[Const] =
read_entities(db, session_name, theory_name, "consts",
(tree: XML.Tree) =>
{
val (entity, body) = decode_entity(tree)
val (args, typ, abbrev) =
{
import XML.Decode._
triple(list(string), Term_XML.Decode.typ, option(Term_XML.Decode.term))(body)
}
Const(entity, args, typ, abbrev)
})
/* axioms and facts */
def decode_props(body: XML.Body):
(List[(String, Term.Sort)], List[(String, Term.Typ)], List[Term.Term]) =
{
import XML.Decode._
import Term_XML.Decode._
triple(list(pair(string, sort)), list(pair(string, typ)), list(term))(body)
}
sealed case class Axiom(
entity: Entity,
typargs: List[(String, Term.Sort)],
args: List[(String, Term.Typ)],
prop: Term.Term)
def read_axioms(db: SQL.Database, session_name: String, theory_name: String): List[Axiom] =
read_entities(db, session_name, theory_name, "axioms",
(tree: XML.Tree) =>
{
val (entity, body) = decode_entity(tree)
val (typargs, args, List(prop)) = decode_props(body)
Axiom(entity, typargs, args, prop)
})
sealed case class Fact(
entity: Entity,
typargs: List[(String, Term.Sort)],
args: List[(String, Term.Typ)],
props: List[Term.Term])
def read_facts(db: SQL.Database, session_name: String, theory_name: String): List[Fact] =
read_entities(db, session_name, theory_name, "facts",
(tree: XML.Tree) =>
{
val (entity, body) = decode_entity(tree)
val (typargs, args, props) = decode_props(body)
Fact(entity, typargs, args, props)
})
/* type classes */
sealed case class Class(
entity: Entity, params: List[(String, Term.Typ)], axioms: List[Term.Term])
def read_classes(db: SQL.Database, session_name: String, theory_name: String): List[Class] =
read_entities(db, session_name, theory_name, "classes",
(tree: XML.Tree) =>
{
val (entity, body) = decode_entity(tree)
val (params, axioms) =
{
import XML.Decode._
import Term_XML.Decode._
pair(list(pair(string, typ)), list(term))(body)
}
Class(entity, params, axioms)
})
/* HOL typedefs */
sealed case class Typedef(name: String,
rep_type: Term.Typ, abs_type: Term.Typ, rep_name: String, abs_name: String, axiom_name: String)
def read_typedefs(db: SQL.Database, session_name: String, theory_name: String): List[Typedef] =
read_export(db, session_name, theory_name, "typedefs",
(body: XML.Body) =>
{
val typedefs =
{
import XML.Decode._
import Term_XML.Decode._
list(pair(string, pair(typ, pair(typ, pair(string, pair(string, string))))))(body)
}
for { (name, (rep_type, (abs_type, (rep_name, (abs_name, axiom_name))))) <- typedefs }
yield Typedef(name, rep_type, abs_type, rep_name, abs_name, axiom_name)
})
}