void fxParseJSONObject(txMachine* the, txJSONParser* theParser)
{
txSlot* anObject;
txSlot* at;
txSlot* aProperty;
fxGetNextJSONToken(the, theParser);
mxPush(mxObjectPrototype);
anObject = fxNewObjectInstance(the);
for (;;) {
if (theParser->token == XS_JSON_TOKEN_RIGHT_BRACE)
break;
if (theParser->token != XS_JSON_TOKEN_STRING) {
mxSyntaxError("missing name");
break;
}
mxPushString(theParser->string->value.string);
at = fxAt(the, the->stack);
if (theParser->reviver)
mxPushString(theParser->string->value.string);
fxGetNextJSONToken(the, theParser);
if (theParser->token != XS_JSON_TOKEN_COLON) {
mxSyntaxError("missing :");
break;
}
fxGetNextJSONToken(the, theParser);
fxParseJSONValue(the, theParser);
if (theParser->reviver) {
mxPushInteger(2);
mxPushReference(anObject);
mxPushReference(theParser->reviver);
fxCall(the);
}
if (the->stack->kind != XS_UNDEFINED_KIND) {
aProperty = fxSetProperty(the, anObject, at->value.at.id, at->value.at.index, XS_OWN);
aProperty->kind = the->stack->kind;
aProperty->value = the->stack->value;
}
the->stack++;
the->stack++;
if (theParser->token != XS_JSON_TOKEN_COMMA)
break;
fxGetNextJSONToken(the, theParser);
}
if (theParser->token != XS_JSON_TOKEN_RIGHT_BRACE)
mxSyntaxError("missing }");
fxGetNextJSONToken(the, theParser);
}
void fxSerializeJSONOwnProperty(txMachine* the, txSlot* theContext, txID id, txIndex index, txSlot* theProperty)
{
txJSONSerializer* theSerializer = theContext->value.regexp.code;
txInteger* theFlag = theContext->value.regexp.offsets;
if (id) {
txSlot* key = fxGetKey(the, id);
if (key && (key->flag & XS_DONT_ENUM_FLAG)) {
if (key->kind == XS_KEY_KIND) {
mxPushSlot(theProperty);
mxPushString(key->value.key.string);
fxSerializeJSONProperty(the, theSerializer, theFlag);
}
else {
mxPushSlot(theProperty);
mxPushStringX(key->value.key.string);
fxSerializeJSONProperty(the, theSerializer, theFlag);
}
}
}
else {
mxPushSlot(theProperty);
mxPushInteger((txInteger)index);
fxSerializeJSONProperty(the, theSerializer, theFlag);
}
}
void fxToPrimitive(txMachine* the, txSlot* theSlot, txInteger theHint)
{
if (theSlot->kind == XS_REFERENCE_KIND) {
fxBeginHost(the);
if (theHint == XS_NO_HINT)
mxPushString(mxDefaultString.value.string);
else if (theHint == XS_NUMBER_HINT)
mxPushString(mxNumberString.value.string);
else
mxPushString(mxStringString.value.string);
mxPushInteger(1);
mxPushSlot(theSlot);
fxCallID(the, mxID(_Symbol_toPrimitive));
theSlot->kind = the->stack->kind;
theSlot->value = the->stack->value;
the->stack++;
fxEndHost(the);
}
}
void fxModuleURL(txMachine* the)
{
txID id = fxCurrentModuleID(the);
if (id != XS_NO_ID) {
txSlot* key = fxGetKey(the, id);
if (key->kind == XS_KEY_KIND)
mxPushString(key->value.key.string);
else
mxPushStringX(key->value.key.string);
}
else {
mxPushUndefined();
}
}
void fxParseJSONValue(txMachine* the, txJSONParser* theParser)
{
switch (theParser->token) {
case XS_JSON_TOKEN_FALSE:
mxPushBoolean(0);
fxGetNextJSONToken(the, theParser);
break;
case XS_JSON_TOKEN_TRUE:
mxPushBoolean(1);
fxGetNextJSONToken(the, theParser);
break;
case XS_JSON_TOKEN_NULL:
mxPushNull();
fxGetNextJSONToken(the, theParser);
break;
case XS_JSON_TOKEN_INTEGER:
mxPushInteger(theParser->integer);
fxGetNextJSONToken(the, theParser);
break;
case XS_JSON_TOKEN_NUMBER:
mxPushNumber(theParser->number);
fxGetNextJSONToken(the, theParser);
break;
case XS_JSON_TOKEN_STRING:
mxPushString(theParser->string->value.string);
fxGetNextJSONToken(the, theParser);
break;
case XS_JSON_TOKEN_LEFT_BRACE:
fxParseJSONObject(the, theParser);
break;
case XS_JSON_TOKEN_LEFT_BRACKET:
fxParseJSONArray(the, theParser);
break;
default:
mxPushUndefined();
mxSyntaxError("invalid value");
break;
}
}
