Function fxGeneratorExpression

xs/sources/xsSyntaxical.c:2955–2985

}

void fxGeneratorExpression(txParser* parser, txInteger theLine, txSymbol** theSymbol, txUnsigned flag)
{
	txUnsigned flags = parser->flags;
	parser->flags = (flags & (mxParserFlags | mxStrictFlag)) | mxGeneratorFlag | mxTargetFlag | flag;
	if ((parser->states[0].token == XS_TOKEN_IDENTIFIER)
			|| ((theSymbol == C_NULL) && (parser->states[0].token == XS_TOKEN_AWAIT))) {
		fxPushSymbol(parser, parser->states[0].symbol);
		if (theSymbol)
			*theSymbol = parser->states[0].symbol;
		else if (parser->states[0].symbol == parser->yieldSymbol)
 			fxReportParserError(parser, parser->states[0].line, "invalid yield");
		else if ((parser->flags & mxAsyncFlag) && (parser->states[0].symbol == parser->awaitSymbol))
 			fxReportParserError(parser, parser->states[0].line, "invalid await");
		fxCheckStrictSymbol(parser, parser->states[0].symbol);
		fxGetNextToken(parser);
	}
	else
		fxPushNULL(parser);
	fxParametersBinding(parser);
	fxMatchToken(parser, XS_TOKEN_LEFT_BRACE);
	parser->flags |= mxYieldFlag;
    fxBody(parser);
	parser->flags &= ~mxYieldFlag;
	fxPushNodeStruct(parser, 1, XS_TOKEN_BODY, theLine);
	fxPushNodeStruct(parser, 3, XS_TOKEN_GENERATOR, theLine);
	parser->root->flags = parser->flags & (mxStrictFlag | mxNotSimpleParametersFlag | mxGeneratorFlag | mxArgumentsFlag | mxEvalFlag | flag);
	if (!(flags & mxStrictFlag) && (parser->flags & mxStrictFlag))
		fxCheckStrictFunction(parser, (txFunctionNode*)parser->root);
	parser->flags = flags;
    fxMatchToken(parser, XS_TOKEN_RIGHT_BRACE);
}

void fxGroupExpression(txParser* parser, txUnsigned flag)
{