kits/shared/ExpressionParser.cpp

123 //printf("next token (recycled): '%s'\n", fCurrentToken.string.String());
281 //printf("next token: '%s'\n", fCurrentToken.string.String());
381 	Token token = fTokenizer->NextToken();
382 	if (token.type != TOKEN_END_OF_LINE)
383 		throw ParseException("parse error", token.position);
413 	Token token = fTokenizer->NextToken();
414 	if (token.type != TOKEN_END_OF_LINE)
415 		throw ParseException("parse error", token.position);
430 	Token token = fTokenizer->NextToken();
431 	if (token.type != TOKEN_END_OF_LINE)
432 		throw ParseException("parse error", token.position);
451 //		Token token = fTokenizer->NextToken();
452 //		switch (token.type) {
475 		Token token = fTokenizer->NextToken();
476 		switch (token.type) {
499 		Token token = fTokenizer->NextToken();
500 		switch (token.type) {
507 					throw ParseException("division by zero", token.position);
514 					throw ParseException("modulo by zero", token.position);
533 		Token token = fTokenizer->NextToken();
534 		if (token.type != TOKEN_POWER) {
546 	Token token = fTokenizer->NextToken();
547 	if (token.type == TOKEN_END_OF_LINE)
548 		throw ParseException("unexpected end of expression", token.position);
550 	switch (token.type) {
560 			return _ParseFunction(token);
592 ExpressionParser::_ParseFunction(const Token& token)
594 	if (strcmp("e", token.string.String()) == 0)
596 	else if (strcasecmp("pi", token.string.String()) == 0
597 		|| ((unsigned char)token.string.String()[0] == 0xCF
598 			&& (unsigned char)token.string.String()[1] == 0x80)) {
608 	if (strcasecmp("abs", token.string.String()) == 0) {
611 	} else if (strcasecmp("acos", token.string.String()) == 0) {
617 			throw ParseException("out of domain", token.position);
620 	} else if (strcasecmp("asin", token.string.String()) == 0) {
626 			throw ParseException("out of domain", token.position);
629 	} else if (strcasecmp("atan", token.string.String()) == 0) {
635 	} else if (strcasecmp("atan2", token.string.String()) == 0) {
644 	} else if (strcasecmp("cbrt", token.string.String()) == 0) {
647 	} else if (strcasecmp("ceil", token.string.String()) == 0) {
650 	} else if (strcasecmp("cos", token.string.String()) == 0) {
656 	} else if (strcasecmp("cosh", token.string.String()) == 0) {
660 	} else if (strcasecmp("exp", token.string.String()) == 0) {
663 	} else if (strcasecmp("floor", token.string.String()) == 0) {
666 	} else if (strcasecmp("ln", token.string.String()) == 0) {
669 			throw ParseException("out of domain", token.position);
672 	} else if (strcasecmp("log", token.string.String()) == 0) {
675 			throw ParseException("out of domain", token.position);
678 	} else if (strcasecmp("pow", token.string.String()) == 0) {
681 	} else if (strcasecmp("sin", token.string.String()) == 0) {
687 	} else if (strcasecmp("sinh", token.string.String()) == 0) {
691 	} else if (strcasecmp("sqrt", token.string.String()) == 0) {
694 			throw ParseException("out of domain", token.position);
697 	} else if (strcasecmp("tan", token.string.String()) == 0) {
704 			throw ParseException("out of domain", token.position);
707 	} else if (strcasecmp("tanh", token.string.String()) == 0) {
713 	throw ParseException("unknown identifier", token.position);
720 	Token token = fTokenizer->NextToken();
721 	if (token.type == TOKEN_END_OF_LINE)
722 		throw ParseException("unexpected end of expression", token.position);
724 	if (token.type == TOKEN_CONSTANT)
725 		return _ParseFactorial(token.value);
756 	Token token = fTokenizer->NextToken();
757 	if (token.type != type) {
759 		temp << (char)type << "' got '" << token.string << "'";
760 		throw ParseException(temp.String(), token.position);