Don't store address of local variable in hashtable.
[platform/upstream/glib.git] / gscanner.c
index 832ca31..02e801c 100644 (file)
@@ -5,23 +5,23 @@
  * Copyright (C) 1997, 1998 Tim Janik
  *
  * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
+ * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library 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
- * Library General Public License for more details.
+ * Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU Library General Public
+ * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the
  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  * Boston, MA 02111-1307, USA.
  */
 
 /*
- * Modified by the GLib Team and others 1997-1999.  See the AUTHORS
+ * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
  * file for a list of people on the GLib Team.  See the ChangeLog
  * files for a list of changes.  These files are distributed with
  * GLib at ftp://ftp.gtk.org/pub/gtk/. 
@@ -48,7 +48,7 @@
 #include       <errno.h>
 #include       <sys/types.h>   /* needed for sys/stat.h */
 #include       <sys/stat.h>
-#ifdef NATIVE_WIN32
+#ifdef G_OS_WIN32
 #include       <io.h>          /* For _read() */
 #endif
 
@@ -89,8 +89,9 @@ static GScannerConfig g_scanner_config_template =
    )                   /* cset_identifier_first */,
   (
    G_CSET_a_2_z
-   "_0123456789"
+   "_"
    G_CSET_A_2_Z
+   G_CSET_DIGITS
    G_CSET_LATINS
    G_CSET_LATINC
    )                   /* cset_identifier_nth */,
@@ -126,7 +127,7 @@ static inline
 GScannerKey*   g_scanner_lookup_internal (GScanner     *scanner,
                                           guint         scope_id,
                                           const gchar  *symbol);
-static gint    g_scanner_key_equal       (gconstpointer v1,
+static gboolean        g_scanner_key_equal       (gconstpointer v1,
                                           gconstpointer v2);
 static guint   g_scanner_key_hash        (gconstpointer v);
 static void    g_scanner_get_token_ll    (GScanner     *scanner,
@@ -189,6 +190,8 @@ g_scanner_new (GScannerConfig       *config_templ)
   
   scanner->config->case_sensitive      = config_templ->case_sensitive;
   scanner->config->cset_skip_characters        = config_templ->cset_skip_characters;
+  if (!scanner->config->cset_skip_characters)
+    scanner->config->cset_skip_characters = "";
   scanner->config->cset_identifier_first= config_templ->cset_identifier_first;
   scanner->config->cset_identifier_nth = config_templ->cset_identifier_nth;
   scanner->config->cpair_comment_single        = config_templ->cpair_comment_single;
@@ -343,7 +346,7 @@ g_scanner_warn (GScanner       *scanner,
     }
 }
 
-static gint
+static gboolean
 g_scanner_key_equal (gconstpointer v1,
                     gconstpointer v2)
 {
@@ -562,17 +565,22 @@ g_scanner_scope_foreach_symbol (GScanner       *scanner,
 void
 g_scanner_freeze_symbol_table (GScanner *scanner)
 {
-  g_return_if_fail (scanner != NULL);
-  
-  g_hash_table_freeze (scanner->symbol_table);
+#ifdef G_ENABLE_DEBUG
+  static gboolean first_call = TRUE;
+
+  if (first_call)
+    {
+      g_message ("g_scanner_freeze_symbol_table() and "
+                "g_scanner_thaw_symbol_table() are deprecated.");
+      first_call = FALSE;
+    }
+#endif /* G_ENABLE_DEBUG */
 }
 
 void
 g_scanner_thaw_symbol_table (GScanner *scanner)
 {
-  g_return_if_fail (scanner != NULL);
-  
-  g_hash_table_thaw (scanner->symbol_table);
+  g_scanner_freeze_symbol_table (scanner);
 }
 
 GTokenType
@@ -973,7 +981,7 @@ g_scanner_unexp_token (GScanner             *scanner,
                  "%s%s `%s'",
                  print_unexp ? "" : "invalid ",
                  identifier_spec,
-                 scanner->value.v_string);
+                 scanner->token == G_TOKEN_IDENTIFIER ? scanner->value.v_string : "null");
       break;
       
     case G_TOKEN_BINARY:
@@ -1075,6 +1083,10 @@ g_scanner_unexp_token (GScanner          *scanner,
                  identifier_spec);
       break;
       
+    case G_TOKEN_EOF:
+      g_snprintf (expected_string, expected_string_len, "end of file");
+      break;
+
     case G_TOKEN_NONE:
       break;
     }
@@ -1607,9 +1619,8 @@ g_scanner_get_token_ll    (GScanner       *scanner,
              token = G_TOKEN_COMMENT_SINGLE;
              in_comment_single = TRUE;
              gstring = g_string_new ("");
-             while ((ch = g_scanner_get_char (scanner,
-                                              line_p,
-                                              position_p)) != 0)
+             ch = g_scanner_get_char (scanner, line_p, position_p);
+             while (ch != 0)
                {
                  if (ch == config->cpair_comment_single[1])
                    {
@@ -1619,7 +1630,7 @@ g_scanner_get_token_ll    (GScanner       *scanner,
                    }
                  
                  gstring = g_string_append_c (gstring, ch);
-                 ch = 0;
+                 ch = g_scanner_get_char (scanner, line_p, position_p);
                }
            }
          else if (config->scan_identifier && ch &&