X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=libiberty%2Fcp-demangle.h;h=943a3ef478e5f7fd4c2e229b8622f518abc92925;hb=ed7007c18a83d0d654c366d507fcf053985c698b;hp=eea086862d696ee01055fbe051680f1c53baed4c;hpb=2d7332114ad6d55dd4a79fd55a568f3fa0595d2a;p=binutils-gdb.git

diff --git a/libiberty/cp-demangle.h b/libiberty/cp-demangle.h
index eea086862d6..943a3ef478e 100644
--- a/libiberty/cp-demangle.h
+++ b/libiberty/cp-demangle.h
@@ -1,5 +1,5 @@
 /* Internal demangler interface for g++ V3 ABI.
-   Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2003-2020 Free Software Foundation, Inc.
    Written by Ian Lance Taylor <ian@wasabisystems.com>.
 
    This file is part of the libiberty library, which is part of GCC.
@@ -25,7 +25,7 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. 
 */
 
 /* This file provides some definitions shared by cp-demangle.c and
@@ -111,39 +111,87 @@ struct d_info
   int next_sub;
   /* The number of available entries in the subs array.  */
   int num_subs;
-  /* The number of substitutions which we actually made from the subs
-     array, plus the number of template parameter references we
-     saw.  */
-  int did_subs;
   /* The last name we saw, for constructors and destructors.  */
   struct demangle_component *last_name;
   /* A running total of the length of large expansions from the
      mangled name to the demangled name, such as standard
      substitutions and builtin types.  */
   int expansion;
+  /* Non-zero if we are parsing an expression.  */
+  int is_expression;
+  /* Non-zero if we are parsing the type operand of a conversion
+     operator, but not when in an expression.  */
+  int is_conversion;
+  /* If DMGL_NO_RECURSE_LIMIT is not active then this is set to
+     the current recursion level.  */
+  unsigned int recursion_level;
 };
 
+/* To avoid running past the ending '\0', don't:
+   - call d_peek_next_char if d_peek_char returned '\0'
+   - call d_advance with an 'i' that is too large
+   - call d_check_char(di, '\0')
+   Everything else is safe.  */
 #define d_peek_char(di) (*((di)->n))
-#define d_peek_next_char(di) ((di)->n[1])
-#define d_advance(di, i) ((di)->n += (i))
-#define d_next_char(di) (*((di)->n++))
+#ifndef CHECK_DEMANGLER
+#  define d_peek_next_char(di) ((di)->n[1])
+#  define d_advance(di, i) ((di)->n += (i))
+#endif
+#define d_check_char(di, c) (d_peek_char(di) == c ? ((di)->n++, 1) : 0)
+#define d_next_char(di) (d_peek_char(di) == '\0' ? '\0' : *((di)->n++))
 #define d_str(di) ((di)->n)
 
+#ifdef CHECK_DEMANGLER
+static inline char
+d_peek_next_char (const struct d_info *di)
+{
+  if (!di->n[0])
+    abort ();
+  return di->n[1];
+}
+
+static inline void
+d_advance (struct d_info *di, int i)
+{
+  if (i < 0)
+    abort ();
+  while (i--)
+    {
+      if (!di->n[0])
+	abort ();
+      di->n++;
+    }
+}
+#endif
+
 /* Functions and arrays in cp-demangle.c which are referenced by
    functions in cp-demint.c.  */
+#ifdef IN_GLIBCPP_V3
+#define CP_STATIC_IF_GLIBCPP_V3 static
+#else
+#define CP_STATIC_IF_GLIBCPP_V3 extern
+#endif
 
+#ifndef IN_GLIBCPP_V3
 extern const struct demangle_operator_info cplus_demangle_operators[];
+#endif
 
-#define D_BUILTIN_TYPE_COUNT (26)
+#define D_BUILTIN_TYPE_COUNT (34)
 
-extern const struct demangle_builtin_type_info
+CP_STATIC_IF_GLIBCPP_V3
+const struct demangle_builtin_type_info
 cplus_demangle_builtin_types[D_BUILTIN_TYPE_COUNT];
 
-extern struct demangle_component *
-cplus_demangle_mangled_name PARAMS ((struct d_info *, int));
+CP_STATIC_IF_GLIBCPP_V3
+struct demangle_component *
+cplus_demangle_mangled_name (struct d_info *, int);
 
-extern struct demangle_component *
-cplus_demangle_type PARAMS ((struct d_info *));
+CP_STATIC_IF_GLIBCPP_V3
+struct demangle_component *
+cplus_demangle_type (struct d_info *);
 
 extern void
-cplus_demangle_init_info PARAMS ((const char *, int, size_t, struct d_info *));
+cplus_demangle_init_info (const char *, int, size_t, struct d_info *);
+
+/* cp-demangle.c needs to define this a little differently */
+#undef CP_STATIC_IF_GLIBCPP_V3