author | wenzelm |
Fri, 29 Sep 2017 20:49:42 +0200 | |
changeset 66717 | 67dbf5cdc056 |
parent 66715 | 6bced18e2b91 |
child 66719 | d37efafd55b5 |
permissions | -rw-r--r-- |
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/* Title: Pure/Thy/thy_info.scala |
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Author: Makarius |
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Theory and file dependencies. |
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*/ |
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package isabelle |
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class Thy_Info(resources: Resources) |
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{ |
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/* messages */ |
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private def show_path(names: List[Document.Node.Name]): String = |
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names.map(name => quote(name.theory)).mkString(" via ") |
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private def cycle_msg(names: List[Document.Node.Name]): String = |
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"Cyclic dependency of " + show_path(names) |
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private def required_by(initiators: List[Document.Node.Name]): String = |
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if (initiators.isEmpty) "" |
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else "\n(required by " + show_path(initiators.reverse) + ")" |
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/* dependencies */ |
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object Dependencies |
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{ |
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val empty = new Dependencies(Nil, Nil, Nil, Set.empty) |
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} |
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||
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final class Dependencies private( |
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rev_entries: List[Document.Node.Entry], |
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val keywords: Thy_Header.Keywords, |
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val abbrevs: Thy_Header.Abbrevs, |
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val seen: Set[Document.Node.Name]) |
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{ |
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def :: (entry: Document.Node.Entry): Dependencies = |
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new Dependencies( |
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entry :: rev_entries, |
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entry.header.keywords ::: keywords, |
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entry.header.abbrevs ::: abbrevs, |
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seen) |
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parents:
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def + (name: Document.Node.Name): Dependencies = |
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new Dependencies(rev_entries, keywords, abbrevs, seen + name) |
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def entries: List[Document.Node.Entry] = rev_entries.reverse |
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def names: List[Document.Node.Name] = entries.map(_.name) |
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def errors: List[String] = entries.flatMap(_.header.errors) |
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lazy val syntax: Outer_Syntax = |
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resources.session_base.syntax.add_keywords(keywords).add_abbrevs(abbrevs) |
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def loaded_theories: Graph[String, Outer_Syntax] = |
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(resources.session_base.loaded_theories /: entries)({ case (graph, entry) => |
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val name = entry.name.theory |
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val imports = entry.header.imports.map(p => p._1.theory) |
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if (graph.defined(name)) |
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error("Duplicate loaded theory entry " + quote(name)) |
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for (dep <- imports if !graph.defined(dep)) |
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error("Missing loaded theory entry " + quote(dep) + " for " + quote(name)) |
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val syntax = Outer_Syntax.merge(imports.map(graph.get_node(_))) + entry.header |
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(graph.new_node(name, syntax) /: imports)((g, dep) => g.add_edge(dep, name)) |
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}) |
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def loaded_files: List[(String, List[Path])] = |
51294
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parents:
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{ |
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names.map(_.theory) zip |
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Par_List.map((e: () => List[Path]) => e(), names.map(resources.loaded_files(syntax, _))) |
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51294
0850d43cb355
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wenzelm
parents:
51293
diff
changeset
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} |
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override def toString: String = entries.toString |
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} |
43651
511df47bcadc
some support for theory files within Isabelle/Scala session;
wenzelm
parents:
diff
changeset
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private def require_thys(initiators: List[Document.Node.Name], required: Dependencies, |
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thys: List[(Document.Node.Name, Position.T)]): Dependencies = |
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(required /: thys)(require_thy(initiators, _, _)) |
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private def require_thy(initiators: List[Document.Node.Name], required: Dependencies, |
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thy: (Document.Node.Name, Position.T)): Dependencies = |
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{ |
66711
80fa1401cf76
discontinued extra checks (see ce676a750575 and 60c159d490a2) -- qualified theory names are meant to cover this;
wenzelm
parents:
66701
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val (name, pos) = thy |
55488
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parents:
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def message: String = |
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"The error(s) above occurred for theory " + quote(name.theory) + |
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discontinued extra checks (see ce676a750575 and 60c159d490a2) -- qualified theory names are meant to cover this;
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parents:
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required_by(initiators) + Position.here(pos) |
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parents:
54722
diff
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66711
80fa1401cf76
discontinued extra checks (see ce676a750575 and 60c159d490a2) -- qualified theory names are meant to cover this;
wenzelm
parents:
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val required1 = required + name |
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if (required.seen(name)) required |
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else if (resources.session_base.loaded_theory(name)) required1 |
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parents:
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else { |
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try { |
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if (initiators.contains(name)) error(cycle_msg(initiators)) |
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wenzelm
parents:
51293
diff
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val header = |
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try { resources.check_thy(name, Token.Pos.file(name.node)).cat_errors(message) } |
54549
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parents:
54515
diff
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catch { case ERROR(msg) => cat_error(msg, message) } |
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Document.Node.Entry(name, header) :: |
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require_thys(name :: initiators, required1, header.imports) |
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parents:
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} |
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catch { |
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case e: Throwable => |
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Document.Node.Entry(name, Document.Node.bad_header(Exn.message(e))) :: required1 |
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} |
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parents:
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} |
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parents:
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} |
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parents:
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def dependencies(thys: List[(Document.Node.Name, Position.T)]): Dependencies = |
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require_thys(Nil, Dependencies.empty, thys) |
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parents:
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} |