521 lines
12 KiB
C
521 lines
12 KiB
C
#include "jsi.h"
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#include "jsvalue.h"
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#include "jsbuiltin.h"
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static void jsB_new_Object(js_State *J)
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{
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if (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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}
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static void jsB_Object(js_State *J)
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{
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if (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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}
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static void Op_toString(js_State *J)
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{
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if (js_isundefined(J, 0))
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js_pushliteral(J, "[object Undefined]");
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else if (js_isnull(J, 0))
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js_pushliteral(J, "[object Null]");
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else {
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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_CJSON: js_pushliteral(J, "[object JSON]"); break;
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case JS_CARGUMENTS: js_pushliteral(J, "[object Arguments]"); 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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}
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}
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}
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static void Op_valueOf(js_State *J)
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{
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js_copy(J, 0);
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}
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static void Op_hasOwnProperty(js_State *J)
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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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}
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static void Op_isPrototypeOf(js_State *J)
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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;
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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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}
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static void Op_propertyIsEnumerable(js_State *J)
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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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}
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static void O_getPrototypeOf(js_State *J)
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{
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js_Object *obj;
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if (!js_isobject(J, 1))
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js_typeerror(J, "not an object");
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obj = js_toobject(J, 1);
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if (obj->prototype)
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js_pushobject(J, obj->prototype);
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else
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js_pushnull(J);
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}
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static void O_getOwnPropertyDescriptor(js_State *J)
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{
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js_Object *obj;
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js_Property *ref;
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if (!js_isobject(J, 1))
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js_typeerror(J, "not an object");
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obj = js_toobject(J, 1);
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ref = jsV_getproperty(J, obj, js_tostring(J, 2));
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if (!ref)
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js_pushundefined(J);
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else {
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js_newobject(J);
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if (!ref->getter && !ref->setter) {
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js_pushvalue(J, ref->value);
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js_setproperty(J, -2, "value");
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js_pushboolean(J, !(ref->atts & JS_READONLY));
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js_setproperty(J, -2, "writable");
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} else {
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if (ref->getter)
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js_pushobject(J, ref->getter);
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else
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js_pushundefined(J);
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js_setproperty(J, -2, "get");
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if (ref->setter)
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js_pushobject(J, ref->setter);
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else
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js_pushundefined(J);
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js_setproperty(J, -2, "set");
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}
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js_pushboolean(J, !(ref->atts & JS_DONTENUM));
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js_setproperty(J, -2, "enumerable");
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js_pushboolean(J, !(ref->atts & JS_DONTCONF));
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js_setproperty(J, -2, "configurable");
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}
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}
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static int O_getOwnPropertyNames_walk(js_State *J, js_Property *ref, int i)
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{
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if (ref->left->level)
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i = O_getOwnPropertyNames_walk(J, ref->left, i);
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js_pushliteral(J, ref->name);
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js_setindex(J, -2, i++);
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if (ref->right->level)
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i = O_getOwnPropertyNames_walk(J, ref->right, i);
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return i;
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}
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static void O_getOwnPropertyNames(js_State *J)
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{
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js_Object *obj;
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int k;
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int i;
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if (!js_isobject(J, 1))
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js_typeerror(J, "not an object");
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obj = js_toobject(J, 1);
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js_newarray(J);
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if (obj->properties->level)
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i = O_getOwnPropertyNames_walk(J, obj->properties, 0);
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else
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i = 0;
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if (obj->type == JS_CARRAY) {
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js_pushliteral(J, "length");
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js_setindex(J, -2, i++);
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}
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if (obj->type == JS_CSTRING) {
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js_pushliteral(J, "length");
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js_setindex(J, -2, i++);
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for (k = 0; k < obj->u.s.length; ++k) {
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js_pushnumber(J, k);
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js_setindex(J, -2, i++);
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}
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}
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if (obj->type == JS_CREGEXP) {
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js_pushliteral(J, "source");
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js_setindex(J, -2, i++);
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js_pushliteral(J, "global");
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js_setindex(J, -2, i++);
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js_pushliteral(J, "ignoreCase");
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js_setindex(J, -2, i++);
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js_pushliteral(J, "multiline");
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js_setindex(J, -2, i++);
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js_pushliteral(J, "lastIndex");
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js_setindex(J, -2, i++);
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}
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}
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static void ToPropertyDescriptor(js_State *J, js_Object *obj, const char *name, js_Object *desc)
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{
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int haswritable = 0;
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int hasvalue = 0;
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int enumerable = 0;
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int configurable = 0;
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int writable = 0;
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int atts = 0;
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js_pushobject(J, obj);
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js_pushobject(J, desc);
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if (js_hasproperty(J, -1, "writable")) {
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haswritable = 1;
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writable = js_toboolean(J, -1);
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js_pop(J, 1);
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}
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if (js_hasproperty(J, -1, "enumerable")) {
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enumerable = js_toboolean(J, -1);
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js_pop(J, 1);
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}
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if (js_hasproperty(J, -1, "configurable")) {
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configurable = js_toboolean(J, -1);
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js_pop(J, 1);
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}
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if (js_hasproperty(J, -1, "value")) {
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hasvalue = 1;
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js_setproperty(J, -3, name);
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}
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if (!writable) atts |= JS_READONLY;
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if (!enumerable) atts |= JS_DONTENUM;
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if (!configurable) atts |= JS_DONTCONF;
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if (js_hasproperty(J, -1, "get")) {
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if (haswritable || hasvalue)
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js_typeerror(J, "value/writable and get/set attributes are exclusive");
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} else {
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js_pushundefined(J);
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}
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if (js_hasproperty(J, -2, "set")) {
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if (haswritable || hasvalue)
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js_typeerror(J, "value/writable and get/set attributes are exclusive");
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} else {
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js_pushundefined(J);
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}
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js_defaccessor(J, -4, name, atts);
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js_pop(J, 2);
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}
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static void O_defineProperty(js_State *J)
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{
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if (!js_isobject(J, 1)) js_typeerror(J, "not an object");
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if (!js_isobject(J, 3)) js_typeerror(J, "not an object");
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ToPropertyDescriptor(J, js_toobject(J, 1), js_tostring(J, 2), js_toobject(J, 3));
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js_copy(J, 1);
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}
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static void O_defineProperties_walk(js_State *J, js_Property *ref)
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{
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if (ref->left->level)
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O_defineProperties_walk(J, ref->left);
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if (!(ref->atts & JS_DONTENUM)) {
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js_pushvalue(J, ref->value);
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ToPropertyDescriptor(J, js_toobject(J, 1), ref->name, js_toobject(J, -1));
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js_pop(J, 1);
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}
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if (ref->right->level)
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O_defineProperties_walk(J, ref->right);
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}
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static void O_defineProperties(js_State *J)
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{
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js_Object *props;
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if (!js_isobject(J, 1)) js_typeerror(J, "not an object");
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if (!js_isobject(J, 2)) js_typeerror(J, "not an object");
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props = js_toobject(J, 2);
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if (props->properties->level)
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O_defineProperties_walk(J, props->properties);
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js_copy(J, 1);
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}
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static void O_create_walk(js_State *J, js_Object *obj, js_Property *ref)
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{
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if (ref->left->level)
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O_create_walk(J, obj, ref->left);
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if (!(ref->atts & JS_DONTENUM)) {
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if (ref->value.type != JS_TOBJECT)
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js_typeerror(J, "not an object");
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ToPropertyDescriptor(J, obj, ref->name, ref->value.u.object);
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}
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if (ref->right->level)
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O_create_walk(J, obj, ref->right);
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}
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static void O_create(js_State *J)
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{
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js_Object *obj;
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js_Object *proto;
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js_Object *props;
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if (js_isobject(J, 1))
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proto = js_toobject(J, 1);
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else if (js_isnull(J, 1))
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proto = NULL;
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else
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js_typeerror(J, "not an object or null");
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obj = jsV_newobject(J, JS_COBJECT, proto);
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js_pushobject(J, obj);
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if (js_isdefined(J, 2)) {
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if (!js_isobject(J, 2))
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js_typeerror(J, "not an object");
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props = js_toobject(J, 2);
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if (props->properties->level)
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O_create_walk(J, obj, props->properties);
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}
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}
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static int O_keys_walk(js_State *J, js_Property *ref, int i)
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{
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if (ref->left->level)
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i = O_keys_walk(J, ref->left, i);
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if (!(ref->atts & JS_DONTENUM)) {
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js_pushliteral(J, ref->name);
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js_setindex(J, -2, i++);
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}
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if (ref->right->level)
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i = O_keys_walk(J, ref->right, i);
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return i;
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}
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static void O_keys(js_State *J)
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{
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js_Object *obj;
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int i, k;
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if (!js_isobject(J, 1))
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js_typeerror(J, "not an object");
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obj = js_toobject(J, 1);
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js_newarray(J);
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if (obj->properties->level)
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i = O_keys_walk(J, obj->properties, 0);
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else
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i = 0;
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if (obj->type == JS_CSTRING) {
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for (k = 0; k < obj->u.s.length; ++k) {
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js_pushnumber(J, k);
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js_setindex(J, -2, i++);
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}
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}
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}
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static void O_preventExtensions(js_State *J)
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{
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if (!js_isobject(J, 1))
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js_typeerror(J, "not an object");
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js_toobject(J, 1)->extensible = 0;
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js_copy(J, 1);
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}
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static void O_isExtensible(js_State *J)
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{
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if (!js_isobject(J, 1))
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js_typeerror(J, "not an object");
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js_pushboolean(J, js_toobject(J, 1)->extensible);
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}
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static void O_seal_walk(js_State *J, js_Property *ref)
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{
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if (ref->left->level)
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O_seal_walk(J, ref->left);
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ref->atts |= JS_DONTCONF;
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if (ref->right->level)
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O_seal_walk(J, ref->right);
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}
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static void O_seal(js_State *J)
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{
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js_Object *obj;
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if (!js_isobject(J, 1))
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js_typeerror(J, "not an object");
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obj = js_toobject(J, 1);
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obj->extensible = 0;
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if (obj->properties->level)
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O_seal_walk(J, obj->properties);
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js_copy(J, 1);
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}
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static int O_isSealed_walk(js_State *J, js_Property *ref)
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{
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if (ref->left->level)
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if (!O_isSealed_walk(J, ref->left))
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return 0;
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if (!(ref->atts & JS_DONTCONF))
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return 0;
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if (ref->right->level)
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if (!O_isSealed_walk(J, ref->right))
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return 0;
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return 1;
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}
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static void O_isSealed(js_State *J)
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{
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js_Object *obj;
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if (!js_isobject(J, 1))
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js_typeerror(J, "not an object");
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obj = js_toobject(J, 1);
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if (obj->extensible) {
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js_pushboolean(J, 0);
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return;
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}
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if (obj->properties->level)
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js_pushboolean(J, O_isSealed_walk(J, obj->properties));
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else
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js_pushboolean(J, 1);
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}
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static void O_freeze_walk(js_State *J, js_Property *ref)
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{
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if (ref->left->level)
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O_freeze_walk(J, ref->left);
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ref->atts |= JS_READONLY | JS_DONTCONF;
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if (ref->right->level)
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O_freeze_walk(J, ref->right);
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}
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static void O_freeze(js_State *J)
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{
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js_Object *obj;
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if (!js_isobject(J, 1))
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js_typeerror(J, "not an object");
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obj = js_toobject(J, 1);
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obj->extensible = 0;
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if (obj->properties->level)
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O_freeze_walk(J, obj->properties);
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js_copy(J, 1);
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}
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static int O_isFrozen_walk(js_State *J, js_Property *ref)
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{
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if (ref->left->level)
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if (!O_isFrozen_walk(J, ref->left))
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return 0;
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if (!(ref->atts & JS_READONLY))
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return 0;
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if (!(ref->atts & JS_DONTCONF))
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return 0;
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if (ref->right->level)
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if (!O_isFrozen_walk(J, ref->right))
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return 0;
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return 1;
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}
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static void O_isFrozen(js_State *J)
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{
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js_Object *obj;
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if (!js_isobject(J, 1))
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js_typeerror(J, "not an object");
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obj = js_toobject(J, 1);
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if (obj->properties->level) {
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if (!O_isFrozen_walk(J, obj->properties)) {
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js_pushboolean(J, 0);
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return;
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}
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}
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js_pushboolean(J, !obj->extensible);
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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, "Object.prototype.toString", Op_toString, 0);
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jsB_propf(J, "Object.prototype.toLocaleString", Op_toString, 0);
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jsB_propf(J, "Object.prototype.valueOf", Op_valueOf, 0);
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jsB_propf(J, "Object.prototype.hasOwnProperty", Op_hasOwnProperty, 1);
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jsB_propf(J, "Object.prototype.isPrototypeOf", Op_isPrototypeOf, 1);
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jsB_propf(J, "Object.prototype.propertyIsEnumerable", Op_propertyIsEnumerable, 1);
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}
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js_newcconstructor(J, jsB_Object, jsB_new_Object, "Object", 1);
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{
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/* ES5 */
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jsB_propf(J, "Object.getPrototypeOf", O_getPrototypeOf, 1);
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jsB_propf(J, "Object.getOwnPropertyDescriptor", O_getOwnPropertyDescriptor, 2);
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jsB_propf(J, "Object.getOwnPropertyNames", O_getOwnPropertyNames, 1);
|
|
jsB_propf(J, "Object.create", O_create, 2);
|
|
jsB_propf(J, "Object.defineProperty", O_defineProperty, 3);
|
|
jsB_propf(J, "Object.defineProperties", O_defineProperties, 2);
|
|
jsB_propf(J, "Object.seal", O_seal, 1);
|
|
jsB_propf(J, "Object.freeze", O_freeze, 1);
|
|
jsB_propf(J, "Object.preventExtensions", O_preventExtensions, 1);
|
|
jsB_propf(J, "Object.isSealed", O_isSealed, 1);
|
|
jsB_propf(J, "Object.isFrozen", O_isFrozen, 1);
|
|
jsB_propf(J, "Object.isExtensible", O_isExtensible, 1);
|
|
jsB_propf(J, "Object.keys", O_keys, 1);
|
|
}
|
|
js_defglobal(J, "Object", JS_DONTENUM);
|
|
}
|