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add property get

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John Alanbrook
2026-01-20 12:04:16 -06:00
parent 8d601dfce3
commit 2841e91f40
2 changed files with 33 additions and 6 deletions
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34
source/quickjs.c
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@@ -812,7 +812,6 @@ struct JSObject {
uint8_t free_mark : 1; /* only used when freeing objects with cycles */
uint8_t is_exotic : 1; /* TRUE if object has exotic property handlers */
uint8_t fast_array : 1; /* TRUE if u.array is used for get/put (for JS_CLASS_ARRAY and typed arrays) */
uint8_t is_constructor : 1; /* TRUE if object is a constructor function */
uint8_t has_immutable_prototype : 1; /* cannot modify the prototype */
uint8_t tmp_mark : 1; /* used in JS_WriteObjectRec() */
uint16_t class_id; /* see JS_CLASS_x */
@@ -4760,7 +4759,6 @@ static JSValue JS_NewObjectFromShape(JSContext *ctx, JSShape *sh, JSClassID clas
p->free_mark = 0;
p->is_exotic = 0;
p->fast_array = 0;
p->is_constructor = 0;
p->has_immutable_prototype = 0;
p->tmp_mark = 0;
p->object_key_atom = JS_ATOM_NULL;
@@ -4975,10 +4973,7 @@ static JSValue JS_NewCFunction3(JSContext *ctx, JSCFunction *func,
p->u.cfunc.length = length;
p->u.cfunc.cproto = cproto;
p->u.cfunc.magic = magic;
p->is_constructor = (cproto == JS_CFUNC_constructor ||
cproto == JS_CFUNC_constructor_magic ||
cproto == JS_CFUNC_constructor_or_func ||
cproto == JS_CFUNC_constructor_or_func_magic);
/* Note: is_constructor bit removed - constructors are called as regular functions */
if (!name)
name = "";
name_atom = JS_NewAtom(ctx, name);
@@ -8220,6 +8215,33 @@ int JS_SetPropertyStr(JSContext *ctx, JSValueConst this_obj,
return ret;
}
/* Property access with JSValue key - supports object keys via symbols */
JSValue JS_GetPropertyKey(JSContext *ctx, JSValueConst this_obj, JSValueConst key)
{
JSAtom atom;
JSValue ret;
atom = JS_ValueToAtom(ctx, key);
if (atom == JS_ATOM_NULL)
return JS_EXCEPTION;
ret = JS_GetProperty(ctx, this_obj, atom);
JS_FreeAtom(ctx, atom);
return ret;
}
int JS_SetPropertyKey(JSContext *ctx, JSValueConst this_obj, JSValueConst key, JSValue val)
{
JSAtom atom;
int ret;
atom = JS_ValueToAtom(ctx, key);
if (atom == JS_ATOM_NULL) {
JS_FreeValue(ctx, val);
return -1;
}
ret = JS_SetPropertyInternal(ctx, this_obj, atom, val, this_obj, JS_PROP_THROW);
JS_FreeAtom(ctx, atom);
return ret;
}
/* compute the property flags. For each flag: (JS_PROP_HAS_x forces
it, otherwise def_flags is used)
Note: makes assumption about the bit pattern of the flags

5
source/quickjs.h
View File

@@ -721,6 +721,11 @@ int JS_SetPropertyInt64(JSContext *ctx, JSValueConst this_obj,
int64_t idx, JSValue val);
int JS_SetPropertyStr(JSContext *ctx, JSValueConst this_obj,
const char *prop, JSValue val);
/* Property access with JSValue key (supports object keys via symbols) */
JSValue JS_GetPropertyKey(JSContext *ctx, JSValueConst this_obj, JSValueConst key);
int JS_SetPropertyKey(JSContext *ctx, JSValueConst this_obj, JSValueConst key, JSValue val);
int JS_HasProperty(JSContext *ctx, JSValueConst this_obj, JSAtom prop);
int JS_IsExtensible(JSContext *ctx, JSValueConst obj);
int JS_PreventExtensions(JSContext *ctx, JSValueConst obj);