Let GDB reuse GCC's parser.

2014-10-27  Phil Muldoon  <pmuldoon@redhat.com>
	    Jan Kratochvil  <jan.kratochvil@redhat.com>
	    Tom Tromey  <tromey@redhat.com>

	* aclocal.m4: New file.
	* callbacks.cc: New file.
	* callbacks.hh: New file.
	* cc1plugin-config.h.in: New file.
	* configure: New file.
	* configure.ac: New file.
	* connection.cc: New file.
	* connection.hh: New file.
	* findcomp.cc: New file.
	* findcomp.hh: New file.
	* libcc1.cc: New file.
	* libcc1plugin.sym: New file.
	* libcc1.sym: New file.
	* Makefile.am: New file.
	* Makefile.in: New file.
	* marshall.cc: New file.
	* marshall.hh: New file.
	* names.cc: New file.
	* names.hh: New file.
	* plugin.cc: New file.
	* rpc.hh: New file.
	* status.hh: New file.

2014-10-27  Phil Muldoon  <pmuldoon@redhat.com>
	    Jan Kratochvil  <jan.kratochvil@redhat.com>
	    Tom Tromey  <tromey@redhat.com>

	* gcc-c-fe.def: New file.
	* gcc-c-interface.h: New file.
	* gcc-interface.h: New file.

2014-10-27  Phil Muldoon  <pmuldoon@redhat.com>
	    Tom Tromey  <tromey@redhat.com>

	* c-tree.h (enum c_oracle_request): New.
	(c_binding_oracle_function): New typedef.
	(c_binding_oracle, c_pushtag, c_bind): Declare.
	* c-decl.c (c_binding_oracle): New global.
	(I_SYMBOL_CHECKED): New macro.
	(i_symbol_binding): New function.
	(I_SYMBOL_BINDING, I_SYMBOL_DECL): Redefine.
	(I_TAG_CHECKED): New macro.
	(i_tag_binding): New function.
	(I_TAG_BINDING, I_TAG_DECL): Redefine.
	(I_LABEL_CHECKED): New macro.
	(i_label_binding): New function.
	(I_LABEL_BINDING, I_LABEL_DECL): Redefine.
	(c_print_identifier): Save and restore c_binding_oracle.
	(c_pushtag, c_bind): New functions.

2014-10-27  Phil Muldoon  <pmuldoon@redhat.com>
	    Tom Tromey  <tromey@redhat.com>

	* aclocal.m4, configure: Rebuild.
	* Makefile.in (aclocal_deps): Add gcc-plugin.m4.
	* configure.ac: Use GCC_ENABLE_PLUGINS.
	* stor-layout.c (finish_bitfield_layout): Now public.  Change
	argument type to 'tree'.
	(finish_record_layout): Update.
	* stor-layout.h (finish_bitfield_layout): Declare.

2014-10-27  Tom Tromey  <tromey@redhat.com>

	* gcc-plugin.m4: New file.

2014-10-27  Phil Muldoon  <pmuldoon@redhat.com>
	    Tom Tromey  <tromey@redhat.com>

	* Makefile.def: Add libcc1 to host_modules.
	* configure.ac (host_tools): Add libcc1.
	* Makefile.in, configure: Rebuild.

From-SVN: r216748

1 files changed, 93 insertions, 0 deletions

diff --git a/libcc1/marshall.hh b/libcc1/marshall.hh
new file mode 100644
index 0000000..3f936e7
--- /dev/null
+++ b/libcc1/marshall.hh
@@ -0,0 +1,93 @@
+/* Marshalling and unmarshalling.
+   Copyright (C) 2014 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#ifndef CC1_PLUGIN_MARSHALL_HH
+#define CC1_PLUGIN_MARSHALL_HH
+
+#include "status.hh"
+#include "gcc-c-interface.h"
+
+namespace cc1_plugin
+{
+  class connection;
+
+  // Only a single kind of integer is ever sent over the wire, and
+  // this is it.
+  typedef unsigned long long protocol_int;
+
+  // Read an integer from the connection and verify that it has the
+  // value V.
+  status unmarshall_check (connection *, protocol_int v);
+
+  // Write an integer, prefixed with the integer type marker, to the
+  // connection.
+  status marshall_intlike (connection *, protocol_int);
+
+  // Read a type marker from the connection and verify that it is an
+  // integer type marker.  If not, return FAIL.  If so, read an
+  // integer store it in the out argument.
+  status unmarshall_intlike (connection *, protocol_int *);
+
+  // A template function that can handle marshalling various integer
+  // objects to the connection.
+  template<typename T>
+  status marshall (connection *conn, T scalar)
+  {
+    return marshall_intlike (conn, scalar);
+  }
+
+  // A template function that can handle unmarshalling various integer
+  // objects from the connection.  Note that this can't be
+  // instantiated for enum types.  Note also that there's no way at
+  // the protocol level to distinguish different int types.
+  template<typename T>
+  status unmarshall (connection *conn, T *scalar)
+  {
+    protocol_int result;
+
+    if (!unmarshall_intlike (conn, &result))
+      return FAIL;
+    *scalar = result;
+    return OK;
+  }
+
+  // Unmarshallers for some specific enum types.  With C++11 we
+  // wouldn't need these, as we could add type traits to the scalar
+  // unmarshaller.
+  status unmarshall (connection *, enum gcc_c_symbol_kind *);
+  status unmarshall (connection *, enum gcc_qualifiers *);
+  status unmarshall (connection *, enum gcc_c_oracle_request *);
+
+  // Send a string type marker followed by a string.
+  status marshall (connection *, const char *);
+
+  // Read a string type marker followed by a string.  The caller is
+  // responsible for freeing the resulting string using 'delete[]'.
+  status unmarshall (connection *, char **);
+
+  // Send a gcc_type_array marker followed by the array.
+  status marshall (connection *, const gcc_type_array *);
+
+  // Read a gcc_type_array marker, followed by a gcc_type_array.  The
+  // resulting array must be freed by the caller, using 'delete[]' on
+  // the elements, and 'delete' on the array object itself.
+  status unmarshall (connection *, struct gcc_type_array **);
+};
+
+#endif // CC1_PLUGIN_MARSHALL_HH