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.




git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@216748 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 139 insertions, 0 deletions

diff --git a/libcc1/findcomp.cc b/libcc1/findcomp.cc
new file mode 100644
index 00000000000..f02b1dfe425
--- /dev/null
+++ b/libcc1/findcomp.cc
@@ -0,0 +1,139 @@
+/* Find the correct compiler.
+   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/>.  */
+
+#include <config.h>
+#include <string>
+#include <dirent.h>
+#include <stdlib.h>
+
+#include "libiberty.h"
+#include "xregex.h"
+#include "findcomp.hh"
+
+class scanner
+{
+public:
+
+  scanner (const std::string &dir)
+  {
+    m_dir = opendir (dir.c_str ());
+  }
+
+  ~scanner ()
+  {
+    if (m_dir != NULL)
+      closedir (m_dir);
+  }
+
+  const char *next ()
+  {
+    if (m_dir == NULL)
+      return NULL;
+
+    struct dirent *entry = readdir (m_dir);
+    if (entry == NULL)
+      return NULL;
+
+    return entry->d_name;
+  }
+
+private:
+
+  DIR *m_dir;
+};
+
+static bool
+search_dir (const regex_t &regexp, const std::string &dir, std::string *result)
+{
+  scanner scan (dir);
+  const char *filename;
+
+  while ((filename = scan.next ()) != NULL)
+    {
+      if (regexec (&regexp, filename, 0, NULL, 0) == 0)
+	{
+	  *result = filename;
+	  return true;
+	}
+    }
+
+  return false;
+}
+
+class tokenizer
+{
+public:
+
+  tokenizer (const char *str)
+    : m_str (str),
+      m_pos (0)
+  {
+  }
+
+  bool done () const
+  {
+    return m_pos == std::string::npos;
+  }
+
+  std::string next ()
+  {
+    std::string::size_type last_pos = m_pos;
+    std::string::size_type colon = m_str.find(':', last_pos);
+
+    std::string result;
+    if (colon == std::string::npos)
+      {
+	m_pos = colon;
+	result = m_str.substr(last_pos, colon);
+      }
+    else
+      {
+	m_pos = colon + 1;
+	result = m_str.substr(last_pos, colon - last_pos);
+      }
+    if (result == "")
+      result = ".";
+
+    return result;
+  }
+
+private:
+
+  std::string m_str;
+  std::string::size_type m_pos;
+};
+
+bool
+find_compiler (const regex_t &regexp, std::string *result)
+{
+  const char *cpath = getenv ("PATH");
+
+  if (cpath == NULL)
+    return false;
+
+  tokenizer dirs (cpath);
+  while (!dirs.done ())
+    {
+      std::string dir = dirs.next ();
+      if (search_dir (regexp, dir, result))
+	return true;
+    }
+
+  return false;
+}