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-rw-r--r--src/class.c68
1 files changed, 59 insertions, 9 deletions
diff --git a/src/class.c b/src/class.c
index 90c463579..462ab40b5 100644
--- a/src/class.c
+++ b/src/class.c
@@ -438,12 +438,12 @@ to_sym(mrb_state *mrb, mrb_value ss)
----------------------------------------------------------------------------------------------
o: Object [mrb_value]
C: class/module [mrb_value]
- S: String [mrb_value] when ! follows the value may be nil
- A: Array [mrb_value]
- H: Hash [mrb_value]
- s: String [char*,mrb_int] Receive two arguments.
- z: String [char*] NUL terminated string.
- a: Array [mrb_value*,mrb_int] Receive two arguments.
+ S: String [mrb_value] when ! follows, the value may be nil
+ A: Array [mrb_value] when ! follows, the value may be nil
+ H: Hash [mrb_value] when ! follows, the value may be nil
+ s: String [char*,mrb_int] Receive two arguments; s! gives (NULL,0) for nil
+ z: String [char*] NUL terminated string; z! gives NULL for nil
+ a: Array [mrb_value*,mrb_int] Receive two arguments; a! gives (NULL,0) for nil
f: Float [mrb_float]
i: Integer [mrb_int]
b: Boolean [mrb_bool]
@@ -530,7 +530,7 @@ mrb_get_args(mrb_state *mrb, const char *format, ...)
p = va_arg(ap, mrb_value*);
if (*format == '!') {
format++;
- if (mrb_nil_p(*sp)) {
+ if (i < argc && mrb_nil_p(*sp)) {
*p = *sp++;
i++;
break;
@@ -547,6 +547,14 @@ mrb_get_args(mrb_state *mrb, const char *format, ...)
mrb_value *p;
p = va_arg(ap, mrb_value*);
+ if (*format == '!') {
+ format++;
+ if (i < argc && mrb_nil_p(*sp)) {
+ *p = *sp++;
+ i++;
+ break;
+ }
+ }
if (i < argc) {
*p = to_ary(mrb, *sp++);
i++;
@@ -558,6 +566,14 @@ mrb_get_args(mrb_state *mrb, const char *format, ...)
mrb_value *p;
p = va_arg(ap, mrb_value*);
+ if (*format == '!') {
+ format++;
+ if (i < argc && mrb_nil_p(*sp)) {
+ *p = *sp++;
+ i++;
+ break;
+ }
+ }
if (i < argc) {
*p = to_hash(mrb, *sp++);
i++;
@@ -572,6 +588,15 @@ mrb_get_args(mrb_state *mrb, const char *format, ...)
ps = va_arg(ap, char**);
pl = va_arg(ap, mrb_int*);
+ if (*format == '!') {
+ format++;
+ if (i < argc && mrb_nil_p(*sp)) {
+ *ps = NULL;
+ *pl = 0;
+ i++;
+ break;
+ }
+ }
if (i < argc) {
ss = to_str(mrb, *sp++);
*ps = RSTRING_PTR(ss);
@@ -586,6 +611,14 @@ mrb_get_args(mrb_state *mrb, const char *format, ...)
const char **ps;
ps = va_arg(ap, const char**);
+ if (*format == '!') {
+ format++;
+ if (i < argc && mrb_nil_p(*sp)) {
+ *ps = NULL;
+ i++;
+ break;
+ }
+ }
if (i < argc) {
ss = to_str(mrb, *sp++);
*ps = mrb_string_value_cstr(mrb, &ss);
@@ -602,6 +635,15 @@ mrb_get_args(mrb_state *mrb, const char *format, ...)
pb = va_arg(ap, mrb_value**);
pl = va_arg(ap, mrb_int*);
+ if (*format == '!') {
+ format++;
+ if (i < argc && mrb_nil_p(*sp)) {
+ *pb = 0;
+ *pl = 0;
+ i++;
+ break;
+ }
+ }
if (i < argc) {
aa = to_ary(mrb, *sp++);
a = mrb_ary_ptr(aa);
@@ -687,6 +729,14 @@ mrb_get_args(mrb_state *mrb, const char *format, ...)
datap = va_arg(ap, void**);
type = va_arg(ap, struct mrb_data_type const*);
+ if (*format == '!') {
+ format++;
+ if (i < argc && mrb_nil_p(*sp)) {
+ *datap = 0;
+ i++;
+ break;
+ }
+ }
if (i < argc) {
*datap = mrb_data_get_ptr(mrb, *sp++, type);
++i;
@@ -1648,10 +1698,10 @@ mrb_mod_to_s(mrb_state *mrb, mrb_value klass)
case MRB_TT_CLASS:
case MRB_TT_MODULE:
case MRB_TT_SCLASS:
- mrb_str_append(mrb, str, mrb_inspect(mrb, v));
+ mrb_str_cat_str(mrb, str, mrb_inspect(mrb, v));
break;
default:
- mrb_str_append(mrb, str, mrb_any_to_s(mrb, v));
+ mrb_str_cat_str(mrb, str, mrb_any_to_s(mrb, v));
break;
}
return mrb_str_cat_lit(mrb, str, ">");