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[qfcc] Warn when messaging a forward-declared class

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But only once.
This commit is contained in:
Bill Currie 2020-03-05 15:39:34 +09:00
parent a4582e526d
commit 1bf56b28ac
3 changed files with 14 additions and 2 deletions
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1
tools/qfcc/include/class.h
View file

@ -48,6 +48,7 @@ typedef struct class_type_s {
typedef struct class_s {
int defined;
int interface_declared;
const char *name;
struct class_s *super_class;
struct category_s *categories;

10
tools/qfcc/source/class.c
View file

@ -1042,7 +1042,10 @@ class_find_ivar (class_t *class, int vis, const char *name)
symbol_t *ivar;
if (!class->ivars) {
error (0, "accessing incomplete type %s", class->name);
if (!class->interface_declared) {
class->interface_declared = 1;
error (0, "accessing incomplete type %s", class->name);
}
return 0;
}
ivar = symtab_lookup (class->ivars, name);
@ -1119,6 +1122,11 @@ class_message_response (class_t *class, int class_msg, expr_t *sel)
if (!selector)
return 0;
if (class && class->type != &type_obj_object) {
if (!class->interface_declared) {
class->interface_declared = 1;
warning (0, "cannot find interface declaration for `%s'",
class->name);
}
while (c) {
for (cat = c->categories; cat; cat = cat->next) {
for (m = cat->methods->head; m; m = m->next) {

5
tools/qfcc/source/qc-parse.y
View file

@ -1612,6 +1612,7 @@ new_class_name
$1 = check_redefined ($1);
$$ = get_class ($1, 1);
}
$$->interface_declared = 1;
current_class = &$$->class_type;
if (!$1->table)
symtab_addsymbol (current_symtab, $1);
@ -1630,10 +1631,12 @@ class_with_super
new_class_with_super
: new_class_name ':' class_name
{
if (!$3->ivars) {
if (!$3->interface_declared) {
$3->interface_declared = 1;
error (0, "cannot find interface declaration for `%s', "
"superclass of `%s'", $3->name, $1->name);
}
$1->interface_declared = 1;
$1->super_class = $3;
$$ = $1;
}