Function fxForStatement

xs/sources/xsSyntaxical.c:1502–1564

}

void fxForStatement(txParser* parser)
{
	txInteger aLine = parser->states[0].line;
	txBoolean awaitFlag = 0;
	txBoolean expressionFlag = 0;
	txToken aToken;
	fxPushNULL(parser);
	fxMatchToken(parser, XS_TOKEN_FOR);
	if (parser->states[0].token == XS_TOKEN_AWAIT) {
		awaitFlag = 1;
		fxMatchToken(parser, XS_TOKEN_AWAIT);
	}
	fxMatchToken(parser, XS_TOKEN_LEFT_PARENTHESIS);
	fxLookAheadOnce(parser);
	parser->flags |= mxForFlag;
	if (parser->states[0].token == XS_TOKEN_SEMICOLON) {
		fxPushNULL(parser);
	}
	else if (parser->states[0].token == XS_TOKEN_CONST) {
		fxVariableStatement(parser, XS_TOKEN_CONST, 0);
	}
	else if (parser->states[0].token == XS_TOKEN_LET) {
		fxVariableStatement(parser, XS_TOKEN_LET, 0);
	}
	else if (fxIsKeyword(parser, parser->letSymbol) && (gxTokenFlags[parser->states[1].token] & XS_TOKEN_BEGIN_BINDING)) {
		parser->states[0].token = XS_TOKEN_LET;
		fxVariableStatement(parser, XS_TOKEN_LET, 0);
	}
#if mxExplicitResourceManagement
	else if ((parser->states[0].token == XS_TOKEN_IDENTIFIER) && (parser->states[0].symbol == parser->usingSymbol) && (!parser->states[0].escaped)
				&& (!parser->states[1].crlf) && ((parser->states[1].token == XS_TOKEN_IDENTIFIER) || (parser->states[1].token == XS_TOKEN_AWAIT) || (parser->states[1].token == XS_TOKEN_YIELD))) {
		fxLookAheadTwice(parser);
		if ((parser->states[1].symbol == parser->ofSymbol) && (!parser->states[1].escaped) && (parser->states[2].token != XS_TOKEN_ASSIGN)) {
			fxCommaExpression(parser);
			expressionFlag = 1;
		}
		else {
			parser->states[0].token = XS_TOKEN_USING;
			fxVariableStatement(parser, XS_TOKEN_USING, 0);
		}
	}
	else if ((parser->states[0].token == XS_TOKEN_AWAIT)
				&& (!parser->states[1].crlf) && (parser->states[1].token == XS_TOKEN_IDENTIFIER) && (parser->states[1].symbol == parser->usingSymbol) && (!parser->states[1].escaped)) {
		fxLookAheadTwice(parser);
		if ((!parser->states[2].crlf) && ((parser->states[2].token == XS_TOKEN_IDENTIFIER) || (parser->states[2].token == XS_TOKEN_AWAIT) || (parser->states[2].token == XS_TOKEN_YIELD))) {
			fxGetNextToken(parser);
			parser->states[0].token = XS_TOKEN_USING;
			fxVariableStatement(parser, XS_TOKEN_USING, mxAwaitingFlag);
			parser->flags |= mxAwaitingFlag;
		}
		else {
			fxCommaExpression(parser);
			expressionFlag = 1;
		}
	}
#endif
	else if (parser->states[0].token == XS_TOKEN_VAR) {
		fxVariableStatement(parser, XS_TOKEN_VAR, 0);