2003-12-17 Jeff Johnston <jjohnstn@redhat.com>

        * linespec.h (decode_line_1): Add new not_found_ptr parameter.
        * linespec.c (decode_line_1): Add new parameter.  Pass on
        new parameter to decode_variable and symtab_from_filename
        functions.
        (decode_variable): Add new not_found_ptr parameter.  Throw exception
        rather than failing if the not_found_ptr is non-null and the
        function is not found.
        (symtab_from_filename): Add new not_found_ptr parametr.   Throw
        exception rather than failing if the not_found_ptr is non-null and
        the source file is not found.
        * breakpoint.c: Change all callers of decode_line_1 to add default
        extra parameter for decode_line_1 calls.
        * tracepoint.c: Ditto.
        * cli/cli-cmds.c: Ditto.

6 files changed, 73 insertions, 27 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index fe96d8f..4878139 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,20 @@
+2003-12-17  Jeff Johnston  <jjohnstn@redhat.com>
+
+	* linespec.h (decode_line_1): Add new not_found_ptr parameter.
+	* linespec.c (decode_line_1): Add new parameter.  Pass on
+	new parameter to decode_variable and symtab_from_filename
+	functions.
+	(decode_variable): Add new not_found_ptr parameter.  Throw exception
+	rather than failing if the not_found_ptr is non-null and the
+	function is not found.
+	(symtab_from_filename): Add new not_found_ptr parametr.   Throw 
+	exception rather than failing if the not_found_ptr is non-null and 
+	the source file is not found.
+	* breakpoint.c: Change all callers of decode_line_1 to add default
+	extra parameter for decode_line_1 calls.
+	* tracepoint.c: Ditto.
+	* cli/cli-cmds.c: Ditto.
+
 2003-12-16  J. Brobecker  <brobecker@gnat.com>
 
 	* irix5-nat.c: Include mips-tdep.h.
diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c
index ddf51b7..c535add 100644
--- a/gdb/breakpoint.c
+++ b/gdb/breakpoint.c
@@ -4328,7 +4328,7 @@ solib_load_unload_1 (char *hookname, int tempflag, char *dll_pathname,
   int thread = -1;		/* All threads. */
 
   /* Set a breakpoint on the specified hook. */
-  sals = decode_line_1 (&hookname, 1, (struct symtab *) NULL, 0, &canonical);
+  sals = decode_line_1 (&hookname, 1, (struct symtab *) NULL, 0, &canonical, NULL);
   addr_end = hookname;
 
   if (sals.nelts == 0)
@@ -4845,9 +4845,9 @@ parse_breakpoint_sals (char **address,
  	      || ((strchr ("+-", (*address)[0]) != NULL)
  		  && ((*address)[1] != '['))))
 	*sals = decode_line_1 (address, 1, default_breakpoint_symtab,
-			       default_breakpoint_line, addr_string);
+			       default_breakpoint_line, addr_string, NULL);
       else
-	*sals = decode_line_1 (address, 1, (struct symtab *) NULL, 0, addr_string);
+	*sals = decode_line_1 (address, 1, (struct symtab *) NULL, 0, addr_string, NULL);
     }
   /* For any SAL that didn't have a canonical string, fill one in. */
   if (sals->nelts > 0 && *addr_string == NULL)
@@ -5293,7 +5293,7 @@ break_at_finish_command_1 (char *arg, int flag, int from_tty)
 
   beg_addr_string = addr_string;
   sals = decode_line_1 (&addr_string, 1, (struct symtab *) NULL, 0,
-			(char ***) NULL);
+			(char ***) NULL, NULL);
 
   xfree (beg_addr_string);
   old_chain = make_cleanup (xfree, sals.sals);
@@ -5810,10 +5810,10 @@ until_break_command (char *arg, int from_tty, int anywhere)
 
   if (default_breakpoint_valid)
     sals = decode_line_1 (&arg, 1, default_breakpoint_symtab,
-			  default_breakpoint_line, (char ***) NULL);
+			  default_breakpoint_line, (char ***) NULL, NULL);
   else
     sals = decode_line_1 (&arg, 1, (struct symtab *) NULL, 
-			  0, (char ***) NULL);
+			  0, (char ***) NULL, NULL);
 
   if (sals.nelts != 1)
     error ("Couldn't get information on specified line.");
@@ -6273,7 +6273,7 @@ handle_gnu_v3_exceptions (int tempflag, char *cond_string,
     trigger_func_name = xstrdup ("__cxa_throw");
 
   nameptr = trigger_func_name;
-  sals = decode_line_1 (&nameptr, 1, NULL, 0, NULL);
+  sals = decode_line_1 (&nameptr, 1, NULL, 0, NULL, NULL);
   if (sals.nelts == 0)
     {
       xfree (trigger_func_name);
@@ -6980,7 +6980,7 @@ breakpoint_re_set_one (void *bint)
       set_language (b->language);
       input_radix = b->input_radix;
       s = b->addr_string;
-      sals = decode_line_1 (&s, 1, (struct symtab *) NULL, 0, (char ***) NULL);
+      sals = decode_line_1 (&s, 1, (struct symtab *) NULL, 0, (char ***) NULL, NULL);
       for (i = 0; i < sals.nelts; i++)
 	{
 	  resolve_sal_pc (&sals.sals[i]);
@@ -7516,10 +7516,10 @@ decode_line_spec_1 (char *string, int funfirstline)
     sals = decode_line_1 (&string, funfirstline,
 			  default_breakpoint_symtab,
 			  default_breakpoint_line,
-			  (char ***) NULL);
+			  (char ***) NULL, NULL);
   else
     sals = decode_line_1 (&string, funfirstline,
-			  (struct symtab *) NULL, 0, (char ***) NULL);
+			  (struct symtab *) NULL, 0, (char ***) NULL, NULL);
   if (*string)
     error ("Junk at end of line specification: %s", string);
   return sals;
diff --git a/gdb/cli/cli-cmds.c b/gdb/cli/cli-cmds.c
index 6f9fe90..dcfd74f 100644
--- a/gdb/cli/cli-cmds.c
+++ b/gdb/cli/cli-cmds.c
@@ -557,7 +557,7 @@ edit_command (char *arg, int from_tty)
       /* Now should only be one argument -- decode it in SAL */
 
       arg1 = arg;
-      sals = decode_line_1 (&arg1, 0, 0, 0, 0);
+      sals = decode_line_1 (&arg1, 0, 0, 0, 0, 0);
 
       if (! sals.nelts) return;  /*  C++  */
       if (sals.nelts > 1) {
@@ -681,7 +681,7 @@ list_command (char *arg, int from_tty)
     dummy_beg = 1;
   else
     {
-      sals = decode_line_1 (&arg1, 0, 0, 0, 0);
+      sals = decode_line_1 (&arg1, 0, 0, 0, 0, 0);
 
       if (!sals.nelts)
 	return;			/*  C++  */
@@ -714,9 +714,9 @@ list_command (char *arg, int from_tty)
       else
 	{
 	  if (dummy_beg)
-	    sals_end = decode_line_1 (&arg1, 0, 0, 0, 0);
+	    sals_end = decode_line_1 (&arg1, 0, 0, 0, 0, 0);
 	  else
-	    sals_end = decode_line_1 (&arg1, 0, sal.symtab, sal.line, 0);
+	    sals_end = decode_line_1 (&arg1, 0, sal.symtab, sal.line, 0, 0);
 	  if (sals_end.nelts == 0)
 	    return;
 	  if (sals_end.nelts > 1)
diff --git a/gdb/linespec.c b/gdb/linespec.c
index b3eb05f..741ac88 100644
--- a/gdb/linespec.c
+++ b/gdb/linespec.c
@@ -100,7 +100,8 @@ static struct symtabs_and_lines decode_line_2 (struct symbol *[],
 					       int, int, char ***);
 
 static struct symtab *symtab_from_filename (char **argptr,
-					    char *p, int is_quote_enclosed);
+					    char *p, int is_quote_enclosed,
+					    int *not_found_ptr);
 
 static struct
 symtabs_and_lines decode_all_digits (char **argptr,
@@ -119,7 +120,8 @@ static struct symtabs_and_lines decode_dollar (char *copy,
 static struct symtabs_and_lines decode_variable (char *copy,
 						 int funfirstline,
 						 char ***canonical,
-						 struct symtab *file_symtab);
+						 struct symtab *file_symtab,
+						 int *not_found_ptr);
 
 static struct
 symtabs_and_lines symbol_found (int funfirstline,
@@ -637,7 +639,12 @@ decode_line_2 (struct symbol *sym_arr[], int nelts, int funfirstline,
 
    Note that it is possible to return zero for the symtab
    if no file is validly specified.  Callers must check that.
-   Also, the line number returned may be invalid.  */
+   Also, the line number returned may be invalid.  
+ 
+   If NOT_FOUND_PTR is not null, store a boolean true/false value at the location, based
+   on whether or not failure occurs due to an unknown function or file.  In the case
+   where failure does occur due to an unknown function or file, do not issue an error
+   message.  */
 
 /* We allow single quotes in various places.  This is a hideous
    kludge, which exists because the completer can't yet deal with the
@@ -646,7 +653,7 @@ decode_line_2 (struct symbol *sym_arr[], int nelts, int funfirstline,
 
 struct symtabs_and_lines
 decode_line_1 (char **argptr, int funfirstline, struct symtab *default_symtab,
-	       int default_line, char ***canonical)
+	       int default_line, char ***canonical, int *not_found_ptr)
 {
   char *p;
   char *q;
@@ -665,6 +672,9 @@ decode_line_1 (char **argptr, int funfirstline, struct symtab *default_symtab,
   int is_objc_method = 0;
   char *saved_arg = *argptr;
 
+  if (not_found_ptr)
+    *not_found_ptr = 0;
+
   /* Defaults have defaults.  */
 
   initialize_defaults (&default_symtab, &default_line);
@@ -722,7 +732,8 @@ decode_line_1 (char **argptr, int funfirstline, struct symtab *default_symtab,
       /* No, the first part is a filename; set s to be that file's
 	 symtab.  Also, move argptr past the filename.  */
 
-      file_symtab = symtab_from_filename (argptr, p, is_quote_enclosed);
+      file_symtab = symtab_from_filename (argptr, p, is_quote_enclosed, 
+		      			  not_found_ptr);
     }
 #if 0
   /* No one really seems to know why this was added. It certainly
@@ -827,7 +838,8 @@ decode_line_1 (char **argptr, int funfirstline, struct symtab *default_symtab,
   /* Look up that token as a variable.
      If file specified, use that file's per-file block to start with.  */
 
-  return decode_variable (copy, funfirstline, canonical, file_symtab);
+  return decode_variable (copy, funfirstline, canonical,
+			  file_symtab, not_found_ptr);
 }
 
 
@@ -1422,10 +1434,14 @@ collect_methods (char *copy, struct type *t,
 
 
 /* Return the symtab associated to the filename given by the substring
-   of *ARGPTR ending at P, and advance ARGPTR past that filename.  */
+   of *ARGPTR ending at P, and advance ARGPTR past that filename.  If
+   NOT_FOUND_PTR is not null and the source file is not found, store
+   boolean true at the location pointed to and do not issue an
+   error message.  */
 
 static struct symtab *
-symtab_from_filename (char **argptr, char *p, int is_quote_enclosed)
+symtab_from_filename (char **argptr, char *p, int is_quote_enclosed, 
+		      int *not_found_ptr)
 {
   char *p1;
   char *copy;
@@ -1450,6 +1466,11 @@ symtab_from_filename (char **argptr, char *p, int is_quote_enclosed)
     {
       if (!have_full_symbols () && !have_partial_symbols ())
 	error ("No symbol table is loaded.  Use the \"file\" command.");
+      if (not_found_ptr)
+	{
+	  *not_found_ptr = 1;
+	  throw_exception (RETURN_ERROR);
+	}
       error ("No source file named %s.", copy);
     }
 
@@ -1626,11 +1647,13 @@ decode_dollar (char *copy, int funfirstline, struct symtab *default_symtab,
 
 
 /* Decode a linespec that's a variable.  If FILE_SYMTAB is non-NULL,
-   look in that symtab's static variables first.  */
+   look in that symtab's static variables first.  If NOT_FOUND_PTR is not NULL and
+   the function cannot be found, store boolean true in the location pointed to
+   and do not issue an error message.  */ 
 
 static struct symtabs_and_lines
 decode_variable (char *copy, int funfirstline, char ***canonical,
-		 struct symtab *file_symtab)
+		 struct symtab *file_symtab, int *not_found_ptr)
 {
   struct symbol *sym;
   /* The symtab that SYM was found in.  */
@@ -1658,6 +1681,12 @@ decode_variable (char *copy, int funfirstline, char ***canonical,
       !have_partial_symbols () && !have_minimal_symbols ())
     error ("No symbol table is loaded.  Use the \"file\" command.");
 
+  if (not_found_ptr)
+    {
+      *not_found_ptr = 1;
+      throw_exception (RETURN_ERROR);
+    }
+  
   error ("Function \"%s\" not defined.", copy);
 }
 
diff --git a/gdb/linespec.h b/gdb/linespec.h
index 3ede4bd..38b0941 100644
--- a/gdb/linespec.h
+++ b/gdb/linespec.h
@@ -24,6 +24,6 @@ struct symtab;
 extern struct symtabs_and_lines
 	decode_line_1 (char **argptr, int funfirstline,
 		       struct symtab *default_symtab, int default_line,
-		       char ***canonical);
+		       char ***canonical, int *not_found_ptr);
 
 #endif /* defined (LINESPEC_H) */
diff --git a/gdb/tracepoint.c b/gdb/tracepoint.c
index 5c85db4..6e33841 100644
--- a/gdb/tracepoint.c
+++ b/gdb/tracepoint.c
@@ -392,7 +392,7 @@ trace_command (char *arg, int from_tty)
     printf_filtered ("TRACE %s\n", arg);
 
   addr_start = arg;
-  sals = decode_line_1 (&arg, 1, (struct symtab *) NULL, 0, &canonical);
+  sals = decode_line_1 (&arg, 1, (struct symtab *) NULL, 0, &canonical, NULL);
   addr_end = arg;
   if (!sals.nelts)
     return;			/* ??? Presumably decode_line_1 has already warned? */
@@ -2341,7 +2341,7 @@ scope_info (char *args, int from_tty)
   if (args == 0 || *args == 0)
     error ("requires an argument (function, line or *addr) to define a scope");
 
-  sals = decode_line_1 (&args, 1, NULL, 0, &canonical);
+  sals = decode_line_1 (&args, 1, NULL, 0, &canonical, NULL);
   if (sals.nelts == 0)
     return;			/* presumably decode_line_1 has already warned */