1 files changed, 151 insertions, 0 deletions
diff --git a/gcc/cil/cil1.c b/gcc/cil/cil1.c
new file mode 100644
index 00000000000..3dea3c6e696
--- /dev/null
+++ b/gcc/cil/cil1.c
@@ -0,0 +1,151 @@
+/* CIL Compiler almost main (cil1)
+   Called by GCC's toplev.c
+
+   Copyright (C) 2006 Free Software Foundation, Inc.
+
+   This program 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 2, or (at your option) any
+   later version.
+
+   This program 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 this program; if not, write to the Free Software
+   Foundation, 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.
+
+   In other words, you are welcome to use, share and improve this program.
+   You are forbidden to forbid anyone else to use, share and improve
+   what you give them.   Help stamp out software-hoarding!
+
+   Author:
+     Ricardo Fernandez Pascual <ricardof@um.es>
+
+*/
+
+#include "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
+#include "flags.h"
+#include "toplev.h"
+#include "version.h"
+
+#include "ggc.h"
+#include "tree.h"
+#include "cgraph.h"
+#include "diagnostic.h"
+#include "opts.h"
+#include "options.h"
+#include "value-prof.h"
+
+#include "cil.h"
+#include "cil-tree.h"
+#include "parser.h"
+
+/* Language for usage for messages.  */
+const char *const language_string = "CIL front end for GCC ";
+
+/* Prepare to handle switches.  */
+unsigned int
+cil_init_options (unsigned int argc ATTRIBUTE_UNUSED,
+                  const char **argv ATTRIBUTE_UNUSED)
+{
+  return CL_CIL;
+}
+
+/* Process a switch - called by opts.c.  */
+int
+cil_handle_option (size_t scode, const char *arg, int value)
+{
+  enum opt_code code = (enum opt_code) scode;
+  switch (code)
+    {
+    case OPT_fcompile_only_reachable:
+      flag_parse_only_reachable = true;
+      break;
+    case OPT_ferror_unsupported:
+      flag_unsupported_method_behavior = UMB_ERROR;
+      break;
+    case OPT_fcbuiltin:
+      flag_no_cbuiltin = !value;
+      break;
+    default:
+      gcc_unreachable ();
+    }
+  return 1;
+}
+
+/* Language dependent parser setup.  */
+
+bool
+cil_init (void)
+{
+#ifndef USE_MAPPED_LOCATION
+  input_filename = main_input_filename;
+#else
+  linemap_add (&line_table, LC_ENTER, false, main_input_filename, 1);
+#endif
+
+  /* This error will not happen from GCC as it will always create a
+     fake input file.  */
+  if (!input_filename || input_filename[0] == ' ' || !input_filename[0])
+    {
+      fprintf (stderr, "No input file specified, try --help for help\n");
+      exit (1);
+      return false;
+    }
+
+#ifdef USE_MAPPED_LOCATION
+  linemap_add (&line_table, LC_RENAME, false, "<built-in>", 1);
+  linemap_line_start (&line_table, 0, 1);
+#endif
+
+  /* Disable strict aliasing rules. CIL semantics require that
+     pointers of any type can alias pointer of any other types (unlike
+     C), or at least that's our current understanding. Hence, strict
+     aliasing is useless (and produces worng code). */
+  flag_strict_aliasing = 0;
+
+  /* Init decls, etc.  */
+  cil_init_decl_processing ();
+
+  return true;
+}
+
+/* Language dependent wrapup.  */
+
+void
+cil_finish (void)
+{
+}
+
+/* Parse a file.  Debug flag doesn't seem to work. */
+
+void
+cil_parse_file (int debug_flag ATTRIBUTE_UNUSED)
+{
+#ifdef USE_MAPPED_LOCATION
+  source_location s;
+  linemap_add (&line_table, LC_RENAME, false, main_input_filename, 1);
+  s = linemap_line_start (&line_table, 1, 80);
+  input_location = s;
+#else
+  input_line = 1;
+#endif
+
+  parser_parse_file (input_filename);
+
+  cgraph_finalize_compilation_unit ();
+#ifdef USE_MAPPED_LOCATION
+  linemap_add (&line_table, LC_LEAVE, false, NULL, 0);
+#endif
+  cgraph_optimize ();
+}
+
+#include "debug.h" /* for debug_hooks */
+#include "gtype-cil.h"