case DEMANGLE_COMPONENT_PTRMEM_TYPE:
printf ("pointer to member type\n");
break;
+ case DEMANGLE_COMPONENT_FIXED_TYPE:
+ printf ("fixed-point type\n");
+ break;
case DEMANGLE_COMPONENT_ARGLIST:
printf ("argument list\n");
break;
return p;
}
+/* Add a new function parameter. */
+
+static struct demangle_component *
+d_make_function_param (struct d_info *di, long i)
+{
+ struct demangle_component *p;
+
+ p = d_make_empty (di);
+ if (p != NULL)
+ {
+ p->type = DEMANGLE_COMPONENT_FUNCTION_PARAM;
+ p->u.s_number.number = i;
+ }
+ return p;
+}
+
/* Add a new standard substitution component. */
static struct demangle_component *
struct demangle_component *
cplus_demangle_mangled_name (struct d_info *di, int top_level)
{
- if (! d_check_char (di, '_'))
+ if (! d_check_char (di, '_')
+ /* Allow missing _ if not at toplevel to work around a
+ bug in G++ abi-version=2 mangling; see the comment in
+ write_template_arg. */
+ && top_level)
return NULL;
if (! d_check_char (di, 'Z'))
return NULL;
{ "rs", NL (">>"), 2 },
{ "st", NL ("sizeof "), 1 },
{ "sz", NL ("sizeof "), 1 },
+ { "at", NL ("alignof "), 1 },
+ { "az", NL ("alignof "), 1 },
{ NULL, NULL, 0, 0 }
};
ret = d_make_builtin_type (di, &cplus_demangle_builtin_types[31]);
di->expansion += ret->u.s_builtin.type->len;
break;
+
+ case 'F':
+ /* Fixed point types. DF<int bits><length><fract bits><sat> */
+ ret = d_make_empty (di);
+ ret->type = DEMANGLE_COMPONENT_FIXED_TYPE;
+ if ((ret->u.s_fixed.accum = IS_DIGIT (d_peek_char (di))))
+ /* For demangling we don't care about the bits. */
+ d_number (di);
+ ret->u.s_fixed.length = cplus_demangle_type (di);
+ d_number (di);
+ peek = d_next_char (di);
+ ret->u.s_fixed.sat = (peek == 's');
+ break;
+
+ default:
+ return NULL;
}
break;
d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE, name,
d_template_args (di)));
}
- else if (peek == 's' && d_peek_next_char (di) == 'T')
+ else if (peek == 's' && d_peek_next_char (di) == 'p')
{
- /* Just demangle a parameter placeholder as its type. */
d_advance (di, 2);
- return cplus_demangle_type (di);
+ return d_make_comp (di, DEMANGLE_COMPONENT_PACK_EXPANSION,
+ d_expression (di), NULL);
+ }
+ else if (peek == 'f' && d_peek_next_char (di) == 'p')
+ {
+ /* Function parameter used in a late-specified return type. */
+ int index;
+ d_advance (di, 2);
+ if (d_peek_char (di) == '_')
+ index = 1;
+ else
+ {
+ index = d_number (di);
+ if (index < 0)
+ return NULL;
+ index += 2;
+ }
+
+ if (! d_check_char (di, '_'))
+ return NULL;
+
+ return d_make_function_param (di, index);
}
else if (IS_DIGIT (peek))
{
args = op->u.s_extended_operator.args;
break;
case DEMANGLE_COMPONENT_CAST:
- if (d_peek_char (di) == 'v')
- /* T() encoded as an operand of void. */
- return d_make_comp (di, DEMANGLE_COMPONENT_UNARY, op,
- cplus_demangle_type (di));
- else
- args = 1;
+ args = 1;
break;
}
switch (args)
{
case 1:
- return d_make_comp (di, DEMANGLE_COMPONENT_UNARY, op,
- d_expression (di));
+ {
+ struct demangle_component *operand;
+ if (op->type == DEMANGLE_COMPONENT_CAST
+ && d_check_char (di, '_'))
+ operand = d_exprlist (di);
+ else
+ operand = d_expression (di);
+ return d_make_comp (di, DEMANGLE_COMPONENT_UNARY, op,
+ operand);
+ }
case 2:
{
struct demangle_component *left;
if (! d_check_char (di, 'L'))
return NULL;
- if (d_peek_char (di) == '_')
+ if (d_peek_char (di) == '_'
+ /* Workaround for G++ bug; see comment in write_template_arg. */
+ || d_peek_char (di) == 'Z')
ret = cplus_demangle_mangled_name (di, 0);
else
{
case DEMANGLE_COMPONENT_BUILTIN_TYPE:
case DEMANGLE_COMPONENT_SUB_STD:
case DEMANGLE_COMPONENT_CHARACTER:
+ case DEMANGLE_COMPONENT_FUNCTION_PARAM:
return NULL;
case DEMANGLE_COMPONENT_EXTENDED_OPERATOR:
const struct demangle_component *dc)
{
int simple = 0;
- if (dc->type == DEMANGLE_COMPONENT_NAME)
+ if (dc->type == DEMANGLE_COMPONENT_NAME
+ || dc->type == DEMANGLE_COMPONENT_FUNCTION_PARAM)
simple = 1;
if (!simple)
d_append_char (dpi, '(');
the right place for the type. We also have to pass down
any CV-qualifiers, which apply to the this parameter. */
hold_modifiers = dpi->modifiers;
+ dpi->modifiers = 0;
i = 0;
typed_name = d_left (dc);
while (typed_name != NULL)
return;
}
+ case DEMANGLE_COMPONENT_FIXED_TYPE:
+ if (dc->u.s_fixed.sat)
+ d_append_string (dpi, "_Sat ");
+ /* Don't print "int _Accum". */
+ if (dc->u.s_fixed.length->u.s_builtin.type
+ != &cplus_demangle_builtin_types['i'-'a'])
+ {
+ d_print_comp (dpi, dc->u.s_fixed.length);
+ d_append_char (dpi, ' ');
+ }
+ if (dc->u.s_fixed.accum)
+ d_append_string (dpi, "_Accum");
+ else
+ d_append_string (dpi, "_Fract");
+ return;
+
case DEMANGLE_COMPONENT_ARGLIST:
case DEMANGLE_COMPONENT_TEMPLATE_ARGLIST:
if (d_left (dc) != NULL)
d_print_comp (dpi, d_left (dc));
if (d_right (dc) != NULL)
{
+ size_t len;
d_append_string (dpi, ", ");
+ len = dpi->len;
d_print_comp (dpi, d_right (dc));
+ /* If that didn't print anything (which can happen with empty
+ template argument packs), remove the comma and space. */
+ if (dpi->len == len)
+ dpi->len -= 2;
}
return;
d_print_cast (dpi, d_left (dc));
d_append_char (dpi, ')');
}
- if (d_left (dc)->type == DEMANGLE_COMPONENT_CAST
- && d_right (dc)->type == DEMANGLE_COMPONENT_BUILTIN_TYPE)
- /* type() -- FIXME what about type(multiple,args) */
- d_append_string (dpi, "()");
- else
- d_print_subexpr (dpi, d_right (dc));
+ d_print_subexpr (dpi, d_right (dc));
return;
case DEMANGLE_COMPONENT_BINARY:
case DEMANGLE_COMPONENT_PACK_EXPANSION:
{
- struct demangle_component *a = d_find_pack (dpi, d_left (dc));
- int len = d_pack_length (a);
+ int len;
int i;
+ struct demangle_component *a = d_find_pack (dpi, d_left (dc));
+ if (a == NULL)
+ {
+ /* d_find_pack won't find anything if the only packs involved
+ in this expansion are function parameter packs; in that
+ case, just print the pattern and "...". */
+ d_print_subexpr (dpi, d_left (dc));
+ d_append_string (dpi, "...");
+ return;
+ }
+ len = d_pack_length (a);
dc = d_left (dc);
for (i = 0; i < len; ++i)
{
}
return;
+ case DEMANGLE_COMPONENT_FUNCTION_PARAM:
+ {
+ char buf[25];
+ d_append_string (dpi, "parm#");
+ sprintf(buf,"%ld", dc->u.s_number.number);
+ d_append_string (dpi, buf);
+ return;
+ }
+
default:
d_print_error (dpi);
return;
projects / deliverable / binutils-gdb.git / blobdiff