From 64e3e8703376c58ccefd1084f00a800bfb38272f Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Sat, 3 Apr 2010 07:57:20 +0200
Subject: Split parser into interface and implementation

---
 odb/parser.hxx | 124 ++++-----------------------------------------------------
 1 file changed, 7 insertions(+), 117 deletions(-)

(limited to 'odb/parser.hxx')

diff --git a/odb/parser.hxx b/odb/parser.hxx
index 128abb5..e1689f8 100644
--- a/odb/parser.hxx
+++ b/odb/parser.hxx
@@ -8,141 +8,31 @@
 
 #include <odb/gcc.hxx>
 
-#include <set>
-#include <string>
 #include <memory>  // std::auto_ptr
-#include <ostream>
 
 #include <odb/pragma.hxx>
 #include <odb/options.hxx>
-#include <odb/semantics.hxx>
+#include <odb/semantics/unit.hxx>
 
 class parser
 {
 public:
   class failed {};
 
-  parser (options const& ops, loc_pragmas const&, decl_pragmas const&);
+  parser (options const&, loc_pragmas const&, decl_pragmas const&);
 
   std::auto_ptr<semantics::unit>
   parse (tree global_scope, semantics::path const& main_file);
 
 private:
-  typedef semantics::path path;
-  typedef semantics::access access;
+  parser (parser const&);
 
-  // Extended GGC tree declaration that is either a tree node or a
-  // pragma. If this declaration is a pragma, then the assoc flag
-  // indicated whether this pragma has been associated with a
-  // declaration.
-  //
-  struct tree_decl
-  {
-    tree decl;
-    pragma const* prag;
-    mutable bool assoc; // Allow modification via std::set iterator.
-
-    tree_decl (tree d): decl (d), prag (0) {}
-    tree_decl (pragma const& p): decl (0), prag (&p), assoc (false) {}
-
-    bool
-    operator< (tree_decl const& y) const;
-  };
-
-  typedef std::multiset<tree_decl> decl_set;
+  parser&
+  operator= (parser const&);
 
 private:
-  void
-  collect (tree ns);
-
-  void
-  emit ();
-
-  // Emit a type declaration. This is either a named class-type definition/
-  // declaration or a typedef. In the former case the function returns the
-  // newly created type node. In the latter case it returns 0.
-  //
-  semantics::type*
-  emit_type_decl (tree);
-
-  // Emit a template declaration.
-  //
-  void
-  emit_template_decl (tree);
-
-  semantics::class_template&
-  emit_class_template (tree, bool stub = false);
-
-  semantics::union_template&
-  emit_union_template (tree, bool stub = false);
-
-  template <typename T>
-  T&
-  emit_class (tree, path const& f, size_t l, size_t c, bool stub = false);
-
-  template <typename T>
-  T&
-  emit_union (tree, path const& f, size_t l, size_t c, bool stub = false);
-
-  semantics::enum_&
-  emit_enum (tree, path const& f, size_t l, size_t c, bool stub = false);
-
-  // Create new or find existing semantic graph type.
-  //
-  semantics::type&
-  emit_type (tree, path const& f, size_t l, size_t c);
-
-  semantics::type&
-  create_type (tree, path const& f, size_t l, size_t c);
-
-  std::string
-  emit_type_name (tree, bool direct = true);
-
-
-  // Pragma handling.
-  //
-  void
-  process_pragmas (tree,
-                   semantics::node&,
-                   std::string const& name,
-                   decl_set::const_iterator begin,
-                   decl_set::const_iterator cur,
-                   decl_set::const_iterator end);
-
-  void
-  diagnose_unassoc_pragmas (decl_set const&);
-
-  // Return declaration's fully-qualified scope name (e.g., ::foo::bar).
-  //
-  std::string
-  fq_scope (tree);
-
-  // Return declaration's access.
-  //
-  access
-  decl_access (tree);
-
-  //
-  //
-  template <typename T>
-  void
-  define_fund (tree);
-
-private:
-  options const& ops_;
-  loc_pragmas const& loc_pragmas_;
-  decl_pragmas const& decl_pragmas_;
-
-  bool trace;
-  std::ostream& ts;
-
-  semantics::unit* unit_;
-  semantics::scope* scope_;
-
-  std::size_t error_;
-
-  decl_set decls_;
+  class impl;
+  std::auto_ptr<impl> impl_;
 };
 
-
 #endif // ODB_PARSER_HXX
-- 
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