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This commit is contained in:
Kung Hsu 1993-09-23 00:19:11 +00:00
parent 01657c7aec
commit 5b5c6d94a2
1 changed files with 16 additions and 12 deletions
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28
gdb/valops.c
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@ -1349,7 +1349,8 @@ search_struct_field (name, arg1, offset, type, looking_for_baseclass)
/* Helper function used by value_struct_elt to recurse through baseclasses.
Look for a field NAME in ARG1. Adjust the address of ARG1 by OFFSET bytes,
and search in it assuming it has (class) type TYPE.
If found, return value, else return NULL. */
If found, return value, else if name matched and args not return -1,
else return NULL. */
static value
search_struct_method (name, arg1p, args, offset, static_memfuncp, type)
@ -1359,6 +1360,7 @@ search_struct_method (name, arg1p, args, offset, static_memfuncp, type)
register struct type *type;
{
int i;
static int name_matched = 0;
check_stub_type (type);
for (i = TYPE_NFN_FIELDS (type) - 1; i >= 0; i--)
@ -1368,6 +1370,7 @@ search_struct_method (name, arg1p, args, offset, static_memfuncp, type)
{
int j = TYPE_FN_FIELDLIST_LENGTH (type, i) - 1;
struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i);
name_matched = 1;
if (j > 0 && args == 0)
error ("cannot resolve overloaded method `%s'", name);
@ -1406,14 +1409,19 @@ search_struct_method (name, arg1p, args, offset, static_memfuncp, type)
}
v = search_struct_method (name, arg1p, args, base_offset + offset,
static_memfuncp, TYPE_BASECLASS (type, i));
if (v)
if (v == -1)
{
name_matched = 1;
}
else if (v)
{
/* FIXME-bothner: Why is this commented out? Why is it here? */
/* *arg1p = arg1_tmp;*/
return v;
}
}
return NULL;
if (name_matched) return -1;
else return NULL;
}
/* Given *ARGP, a value of type (pointer to a)* structure/union,
@ -1511,7 +1519,11 @@ value_struct_elt (argp, args, name, static_memfuncp, err)
else
v = search_struct_method (name, argp, args, 0, static_memfuncp, t);
if (v == 0)
if (v == -1)
{
error("Argument list of %s mismatch with component in the structure.", name);
}
else if (v == 0)
{
/* See if user tried to invoke data as function. If so,
hand it back. If it's not callable (i.e., a pointer to function),
@ -1520,14 +1532,6 @@ value_struct_elt (argp, args, name, static_memfuncp, err)
}
if (!v)
/* FIXME: This error message is very confusing, since it can also
mean that argument matching failed. But I don't want to say
"or argument matching failed" for C programs. Checking the
current language isn't right, because whether we attempt
argument matching does not depend on the language. The right
fix is to restructure the above code to be able to distinguish
between argument matching failure and the field not being found
at all. */
error ("Structure has no component named %s.", name);
return v;
}