From: Peter Schauer <Peter.Schauer@mytum.de>
Date: Sat, 22 Mar 1997 10:50:18 +0000 (+0000)
Subject: 	* c-exp.y (yylex):  Handle nested template parameter lists.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0742270560b516a11e0b1a42c4f2ac865f390be8;p=binutils-gdb.git

	* c-exp.y (yylex):  Handle nested template parameter lists.
	* symtab.c (decode_line_2):  Fix test for valid choice number.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index bc85bfaf0a1..7e750c02c8a 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+Sat Mar 22 02:48:11 1997  Peter Schauer  (pes@regent.e-technik.tu-muenchen.de)
+
+	* c-exp.y (yylex):  Handle nested template parameter lists.
+	* symtab.c (decode_line_2):  Fix test for valid choice number.
+
 Fri Mar 21 19:10:05 1997  Mark Alexander  <marka@cygnus.com>
 
 	* mips-tdep.c (mips_push_arguments): On non-EABI architectures,
diff --git a/gdb/c-exp.y b/gdb/c-exp.y
index d7d4235deef..a70691fce97 100644
--- a/gdb/c-exp.y
+++ b/gdb/c-exp.y
@@ -1,5 +1,5 @@
 /* YACC parser for C expressions, for GDB.
-   Copyright (C) 1986, 1989, 1990, 1991, 1993, 1994, 1996
+   Copyright (C) 1986, 1989, 1990, 1991, 1993, 1994, 1996, 1997
    Free Software Foundation, Inc.
 
 This file is part of GDB.
@@ -1409,15 +1409,30 @@ yylex ()
        (c == '_' || c == '$' || (c >= '0' && c <= '9')
 	|| (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '<');)
     {
-       if (c == '<')
-	 {
-	   int i = namelen;
-	   while (tokstart[++i] && tokstart[i] != '>');
-	   if (tokstart[i] == '>')
-	     namelen = i;
-	  }
-       c = tokstart[++namelen];
-     }
+      /* Template parameter lists are part of the name.
+	 FIXME: This mishandles `print $a<4&&$a>3'.  */
+
+      if (c == '<')
+	{
+	  int i = namelen;
+	  int nesting_level = 1;
+	  while (tokstart[++i])
+	    {
+	      if (tokstart[i] == '<')
+		nesting_level++;
+	      else if (tokstart[i] == '>')
+		{
+		  if (--nesting_level == 0)
+		    break;
+		}
+	    }
+	  if (tokstart[i] == '>')
+	    namelen = i;
+	  else
+	    break;
+	}
+      c = tokstart[++namelen];
+    }
 
   /* The token "if" terminates the expression and is NOT 
      removed from the input stream.  */
diff --git a/gdb/symtab.c b/gdb/symtab.c
index bc20016a8f0..654098e6529 100644
--- a/gdb/symtab.c
+++ b/gdb/symtab.c
@@ -1,5 +1,5 @@
 /* Symbol table lookup for the GNU debugger, GDB.
-   Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996
+   Copyright 1986, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 1997
              Free Software Foundation, Inc.
 
 This file is part of GDB.
@@ -472,6 +472,9 @@ fixup_symbol_section (sym, objfile)
 {
   struct minimal_symbol *msym;
 
+  if (!sym)
+    return NULL;
+
   if (SYMBOL_BFD_SECTION (sym))
     return sym;
 
@@ -1196,15 +1199,15 @@ find_pc_line (pc, notcurrent)
      But what we want is the statement containing the instruction.
      Fudge the pc to make sure we get that.  */
 
-  if (notcurrent) pc -= 1;
+  INIT_SAL (&val);	/* initialize to zeroes */
+
+  if (notcurrent) 
+    pc -= 1;
 
   s = find_pc_symtab (pc);
   if (!s)
     {
-      val.symtab = 0;
-      val.line = 0;
       val.pc = pc;
-      val.end = 0;
       return val;
     }
 
@@ -1274,11 +1277,8 @@ find_pc_line (pc, notcurrent)
     {
       if (!alt_symtab)
 	{			/* If we didn't find any line # info, just
-				 return zeros.  */
-	  val.symtab = 0;
-	  val.line = 0;
+				   return zeros.  */
 	  val.pc = pc;
-	  val.end = 0;
 	}
       else
 	{
@@ -1921,6 +1921,8 @@ decode_line_1 (argptr, funfirstline, default_symtab, default_line, canonical)
   char *saved_arg = *argptr;
   extern char *gdb_completer_quote_characters;
   
+  INIT_SAL (&val);	/* initialize to zeroes */
+
   /* Defaults have defaults.  */
 
   if (default_symtab == 0)
@@ -2340,15 +2342,14 @@ decode_line_1 (argptr, funfirstline, default_symtab, default_line, canonical)
   msymbol = lookup_minimal_symbol (copy, NULL, NULL);
   if (msymbol != NULL)
     {
-      val.symtab = 0;
-      val.line = 0;
       val.pc = SYMBOL_VALUE_ADDRESS (msymbol);
       if (funfirstline)
 	{
 	  val.pc += FUNCTION_START_OFFSET;
 	  SKIP_PROLOGUE (val.pc);
 	}
-      values.sals = (struct symtab_and_line *)xmalloc (sizeof (struct symtab_and_line));
+      values.sals = (struct symtab_and_line *)
+	xmalloc (sizeof (struct symtab_and_line));
       values.sals[0] = val;
       values.nelts = 1;
       return values;
@@ -2414,6 +2415,8 @@ decode_line_2 (sym_arr, nelts, funfirstline, canonical)
   printf_unfiltered("[0] cancel\n[1] all\n");
   while (i < nelts)
     {
+      INIT_SAL (&return_values.sals[i]);	/* initialize to zeroes */
+      INIT_SAL (&values.sals[i]);
       if (sym_arr[i] && SYMBOL_CLASS (sym_arr[i]) == LOC_BLOCK)
 	{
 	  values.sals[i] = find_function_start_sal (sym_arr[i], funfirstline);
@@ -2474,7 +2477,7 @@ decode_line_2 (sym_arr, nelts, funfirstline, canonical)
 	  return return_values;
 	}
 
-      if (num > nelts + 2)
+      if (num >= nelts + 2)
 	{
 	  printf_unfiltered ("No choice number %d.\n", num);
 	}