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Add JS_SetLength API function

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Andrew Johnson 2024-06-28 13:47:27 +03:00 committed by Saúl Ibarra Corretgé
parent 6ce2dcc938
commit fe5be3cad9
2 changed files with 16 additions and 0 deletions
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15
quickjs.c
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@ -1244,6 +1244,8 @@ static __exception int js_get_length32(JSContext *ctx, uint32_t *pres,
JSValue obj);
static __exception int js_get_length64(JSContext *ctx, int64_t *pres,
JSValue obj);
static __exception int js_set_length64(JSContext *ctx, JSValue obj,
int64_t len);
static void free_arg_list(JSContext *ctx, JSValue *tab, uint32_t len);
static JSValue *build_arg_list(JSContext *ctx, uint32_t *plen,
JSValue array_arg);
@ -7092,6 +7094,10 @@ int JS_GetLength(JSContext *ctx, JSValue obj, int64_t *pres) {
return js_get_length64(ctx, pres, obj);
}
int JS_SetLength(JSContext *ctx, JSValue obj, int64_t len) {
return js_set_length64(ctx, obj, len);
}
/* return TRUE, FALSE or (-1) in case of exception */
static int JS_OrdinaryIsInstanceOf(JSContext *ctx, JSValue val,
JSValue obj)
@ -37118,6 +37124,15 @@ static __exception int js_get_length64(JSContext *ctx, int64_t *pres,
return JS_ToLengthFree(ctx, pres, len_val);
}
static __exception int js_set_length64(JSContext *ctx, JSValue obj, int64_t len)
{
JSValue len_val;
len_val = JS_NewInt64(ctx, len);
if (JS_IsException(len_val))
return -1;
return JS_SetProperty(ctx, obj, JS_ATOM_length, len_val);
}
static void free_arg_list(JSContext *ctx, JSValue *tab, uint32_t len)
{
uint32_t i;

1
quickjs.h
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@ -699,6 +699,7 @@ JS_EXTERN int JS_DeleteProperty(JSContext *ctx, JSValue obj, JSAtom prop, int fl
JS_EXTERN int JS_SetPrototype(JSContext *ctx, JSValue obj, JSValue proto_val);
JS_EXTERN JSValue JS_GetPrototype(JSContext *ctx, JSValue val);
JS_EXTERN int JS_GetLength(JSContext *ctx, JSValue obj, int64_t *pres);
JS_EXTERN int JS_SetLength(JSContext *ctx, JSValue obj, int64_t len);
#define JS_GPN_STRING_MASK (1 << 0)
#define JS_GPN_SYMBOL_MASK (1 << 1)