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https://github.com/ccxvii/mujs.git
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90b54a9eec
js_newuserdata(J, tag, ptr) creates a userdata object, wrapping the ptr. It takes the prototype for the new object from the top of the stack, just like js_newcconstructor does. js_touserdata(J, tag, idx) extracts the userdata pointer. Throws a TypeError if the object is not a userdata object with a matching tag. js_isuserdata(J, tag, idx) checks if a value on the stack is a userdata object with a matching tag.
107 lines
2.9 KiB
C
107 lines
2.9 KiB
C
#include "jsi.h"
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#include "jsvalue.h"
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#include "jsbuiltin.h"
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static int jsB_new_Object(js_State *J, int argc)
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{
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if (argc == 0 || js_isundefined(J, 1) || js_isnull(J, 1))
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js_newobject(J);
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else
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js_pushobject(J, js_toobject(J, 1));
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return 1;
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}
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static int jsB_Object(js_State *J, int argc)
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{
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if (argc == 0 || js_isundefined(J, 1) || js_isnull(J, 1))
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js_newobject(J);
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else
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js_pushobject(J, js_toobject(J, 1));
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return 1;
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}
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static int Op_toString(js_State *J, int argc)
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{
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js_Object *self = js_toobject(J, 0);
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switch (self->type) {
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case JS_COBJECT: js_pushliteral(J, "[object Object]"); break;
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case JS_CARRAY: js_pushliteral(J, "[object Array]"); break;
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case JS_CFUNCTION: js_pushliteral(J, "[object Function]"); break;
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case JS_CSCRIPT: js_pushliteral(J, "[object Function]"); break;
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case JS_CCFUNCTION: js_pushliteral(J, "[object Function]"); break;
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case JS_CERROR: js_pushliteral(J, "[object Error]"); break;
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case JS_CBOOLEAN: js_pushliteral(J, "[object Boolean]"); break;
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case JS_CNUMBER: js_pushliteral(J, "[object Number]"); break;
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case JS_CSTRING: js_pushliteral(J, "[object String]"); break;
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case JS_CREGEXP: js_pushliteral(J, "[object RegExp]"); break;
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case JS_CDATE: js_pushliteral(J, "[object Date]"); break;
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case JS_CMATH: js_pushliteral(J, "[object Math]"); break;
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case JS_CITERATOR: js_pushliteral(J, "[Iterator]"); break;
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case JS_CUSERDATA:
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js_pushliteral(J, "[object ");
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js_pushliteral(J, self->u.user.tag);
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js_concat(J);
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js_pushliteral(J, "]");
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js_concat(J);
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break;
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default: js_pushliteral(J, "[Object unknown]"); break;
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}
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return 1;
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}
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static int Op_valueOf(js_State *J, int argc)
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{
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/* return the 'this' object */
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return 1;
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}
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static int Op_hasOwnProperty(js_State *J, int argc)
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{
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js_Object *self = js_toobject(J, 0);
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const char *name = js_tostring(J, 1);
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js_Property *ref = jsV_getownproperty(J, self, name);
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js_pushboolean(J, ref != NULL);
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return 1;
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}
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static int Op_isPrototypeOf(js_State *J, int argc)
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{
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js_Object *self = js_toobject(J, 0);
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if (js_isobject(J, 1)) {
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js_Object *V = js_toobject(J, 1);
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do {
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V = V->prototype;
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if (V == self) {
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js_pushboolean(J, 1);
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return 1;
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}
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} while (V);
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}
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js_pushboolean(J, 0);
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return 1;
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}
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static int Op_propertyIsEnumerable(js_State *J, int argc)
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{
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js_Object *self = js_toobject(J, 0);
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const char *name = js_tostring(J, 1);
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js_Property *ref = jsV_getownproperty(J, self, name);
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js_pushboolean(J, ref && !(ref->atts & JS_DONTENUM));
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return 1;
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}
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void jsB_initobject(js_State *J)
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{
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js_pushobject(J, J->Object_prototype);
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{
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jsB_propf(J, "toString", Op_toString, 0);
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jsB_propf(J, "toLocaleString", Op_toString, 0);
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jsB_propf(J, "valueOf", Op_valueOf, 0);
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jsB_propf(J, "hasOwnProperty", Op_hasOwnProperty, 1);
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jsB_propf(J, "isPrototypeOf", Op_isPrototypeOf, 1);
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jsB_propf(J, "propertyIsEnumerable", Op_propertyIsEnumerable, 1);
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}
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js_newcconstructor(J, jsB_Object, jsB_new_Object, 1);
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js_defglobal(J, "Object", JS_DONTENUM);
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}
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