* cplus-dem.c: Sync with gcc.

From-SVN: r19077

libiberty/ChangeLog

+Fri Apr 10 01:45:09 1998  Jeffrey A Law  (law@cygnus.com)
+
+	* cplus-dem.c: Sync with gcc.
+
 Thu Apr  2 13:53:54 1998  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	* choose-temp.c: Include system.h when IN_GCC.

libiberty/cplus-dem.c

@@ -29,9 +29,14 @@ Boston, MA 02111-1307, USA.  */
    try not to break either.  */
 
 #include <ctype.h>
+#include <sys/types.h>
 #include <string.h>
 #include <stdio.h>
 
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+
 #include <demangle.h>
 #undef CURRENT_DEMANGLING_STYLE
 #define CURRENT_DEMANGLING_STYLE work->options
@@ -224,6 +229,10 @@ demangle_method_args PARAMS ((struct work_stuff *work, const char **, string *))
 #endif
 
 static int
+demangle_template_template_parm PARAMS ((struct work_stuff *work, 
+					 const char **, string *));
+
+static int
 demangle_template PARAMS ((struct work_stuff *work, const char **, string *,
 			   string *, int));
 
@@ -257,7 +266,7 @@ static int
 gnu_special PARAMS ((struct work_stuff *, const char **, string *));
 
 static int
-arm_special PARAMS ((struct work_stuff *, const char **, string *));
+arm_special PARAMS ((const char **, string *));
 
 static void
 string_need PARAMS ((string *, int));
@@ -347,7 +356,7 @@ consume_count (type)
 }
 
 
-/* Like consume_count, but for counts that are preceeded and followed
+/* Like consume_count, but for counts that are preceded and followed
    by '_' if they are greater than 10.  Also, -1 is returned for
    failure, since 0 can be a valid value.  */
 
@@ -843,7 +852,7 @@ demangle_signature (work, mangled, declp)
 	    }
 	  else
 	    /* fall through */
-	    ;
+	    {;}
 
 	default:
 	  if (AUTO_DEMANGLING || GNU_DEMANGLING)
@@ -928,6 +937,70 @@ demangle_method_args (work, mangled, declp)
 #endif
 
 static int
+demangle_template_template_parm (work, mangled, tname)
+     struct work_stuff *work;
+     const char **mangled;
+     string *tname;
+{
+  int i;
+  int r;
+  int need_comma = 0;
+  int success = 1;
+  string temp;
+
+  string_append (tname, "template <");
+  /* get size of template parameter list */
+  if (get_count (mangled, &r))
+    {
+      for (i = 0; i < r; i++)
+	{
+	  if (need_comma)
+	    {
+	      string_append (tname, ", ");
+	    }
+
+	    /* Z for type parameters */
+	    if (**mangled == 'Z')
+	      {
+		(*mangled)++;
+		string_append (tname, "class");
+	      }
+	      /* z for template parameters */
+	    else if (**mangled == 'z')
+	      {
+		(*mangled)++;
+		success = 
+		  demangle_template_template_parm (work, mangled, tname);
+		if (!success)
+		  {
+		    break;
+		  }
+	      }
+	    else
+	      {
+		/* temp is initialized in do_type */
+		success = do_type (work, mangled, &temp);
+		if (success)
+		  {
+		    string_appends (tname, &temp);
+		  }
+		string_delete(&temp);
+		if (!success)
+		  {
+		    break;
+		  }
+	      }
+	  need_comma = 1;
+	}
+
+    }
+  if (tname->p[-1] == '>')
+    string_append (tname, " ");
+  string_append (tname, "> class");
+  return (success);
+}
+
+static int
 demangle_integral_value (work, mangled, s)
      struct work_stuff *work;
      const char** mangled;
@@ -1212,19 +1285,50 @@ demangle_template (work, mangled, tname, trawname, is_type)
     {
       start = *mangled;
       /* get template name */
-      if ((r = consume_count (mangled)) == 0 || strlen (*mangled) < r)
+      if (**mangled == 'z')
 	{
-	  return (0);
+	  int idx;
+	  (*mangled)++;
+	  (*mangled)++;
+
+	  idx = consume_count_with_underscores (mangled);
+	  if (idx == -1 
+	      || (work->tmpl_argvec && idx >= work->ntmpl_args)
+	      || consume_count_with_underscores (mangled) == -1)
+	    {
+	      return (0);
+	    }
+	  if (work->tmpl_argvec)
+	    {
+	      string_append (tname, work->tmpl_argvec[idx]);
+	      if (trawname)
+		string_append (trawname, work->tmpl_argvec[idx]);
+	    }
+	  else
+	    {
+	      char buf[10];
+	      sprintf(buf, "T%d", idx);
+	      string_append (tname, buf);
+	      if (trawname)
+		string_append (trawname, work->tmpl_argvec[idx]);
+	    }
 	}
-      if (trawname)
-	string_appendn (trawname, *mangled, r);
-      is_java_array = (work -> options & DMGL_JAVA)
-	&& strncmp (*mangled, "JArray1Z", 8) == 0;
-      if (! is_java_array)
+      else
 	{
-	  string_appendn (tname, *mangled, r);
+	  if ((r = consume_count (mangled)) == 0 || strlen (*mangled) < r)
+	    {
+	      return (0);
+	    }
+	  if (trawname)
+	    string_appendn (trawname, *mangled, r);
+	  is_java_array = (work -> options & DMGL_JAVA)
+	    && strncmp (*mangled, "JArray1Z", 8) == 0;
+	  if (! is_java_array)
+	    {
+	      string_appendn (tname, *mangled, r);
+	    }
+	  *mangled += r;
 	}
-      *mangled += r;
     }
   if (!is_java_array)
     string_append (tname, "<");
@@ -1272,6 +1376,33 @@ demangle_template (work, mangled, tname, trawname, is_type)
 	      break;
 	    }
 	}
+      /* z for template parameters */
+      else if (**mangled == 'z')
+	{
+	  int r2;
+	  (*mangled)++;
+	  success = demangle_template_template_parm (work, mangled, tname);
+	  
+	  if (success
+	      && (r2 = consume_count (mangled)) > 0 && strlen (*mangled) >= r2)
+	    {
+	      string_append (tname, " ");
+	      string_appendn (tname, *mangled, r2);
+	      if (!is_type)
+		{
+		  /* Save the template argument. */
+		  int len = r2;
+		  work->tmpl_argvec[i] = xmalloc (len + 1);
+		  memcpy (work->tmpl_argvec[i], *mangled, len);
+		  work->tmpl_argvec[i][len] = '\0';
+		}
+	      *mangled += r2;
+	    }
+	  if (!success)
+	    {
+	      break;
+	    }
+	}
       else
 	{
 	  string  param;
@@ -1644,7 +1775,7 @@ demangle_prefix (work, mangled, declp)
 	 then find the next "__" that separates the prefix from the signature.
 	 */
       if (!(ARM_DEMANGLING || LUCID_DEMANGLING)
-	  || (arm_special (work, mangled, declp) == 0))
+	  || (arm_special (mangled, declp) == 0))
 	{
 	  while (*scan == '_')
 	    {
@@ -1897,8 +2028,8 @@ LOCAL FUNCTION
 SYNOPSIS
 
 	static int
-	arm_special (struct work_stuff *work, const char **mangled,
-			string *declp);
+	arm_special (const char **mangled,
+		     string *declp);
 
 
 DESCRIPTION
@@ -1912,8 +2043,7 @@ DESCRIPTION
  */
 
 static int
-arm_special (work, mangled, declp)
-     struct work_stuff *work;
+arm_special (mangled, declp)
      const char **mangled;
      string *declp;
 {
@@ -2409,7 +2539,6 @@ do_type (work, mangled, result)
       /* A template parm.  We substitute the corresponding argument. */
       {
 	int idx;
-	int lvl;
 
 	(*mangled)++;
 	idx = consume_count_with_underscores (mangled);
@@ -2865,8 +2994,7 @@ demangle_function_name (work, mangled, declp, scan)
      string *declp;
      const char *scan;
 {
-  int i;
-  int len;
+  size_t i;
   string type;
   const char *tem;
 
@@ -2913,7 +3041,7 @@ demangle_function_name (work, mangled, declp, scan)
 	{
 	  for (i = 0; i < sizeof (optable) / sizeof (optable[0]); i++)
 	    {
-	      len = declp->p - declp->b - 10;
+	      int len = declp->p - declp->b - 10;
 	      if (strlen (optable[i].in) == len
 		  && memcmp (optable[i].in, declp->b + 10, len) == 0)
 		{
@@ -3223,6 +3351,15 @@ static struct option long_options[] = {
   {0, no_argument, 0, 0}
 };
 
+/* More 'friendly' abort that prints the line and file.
+   config.h can #define abort fancy_abort if you like that sort of thing.  */
+
+void
+fancy_abort ()
+{
+  fatal ("Internal gcc abort.");
+}
+
 int
 main (argc, argv)
      int argc;