Function fxPatternParserError

xs/sources/xsre.c:2293–2314

}

void fxPatternParserError(txPatternParser* parser, txString format, ...)
{
	c_va_list arguments;
	txString pattern = parser->pattern;
	txString error = parser->error;
	txInteger offset = parser->offset;
    while (offset > 80) {
		txInteger character;
		txString p = mxStringByteDecode(pattern, &character);
    	offset -= (txInteger)(p - pattern);
    	pattern = p;
    }
	while (offset) {
		*error++ = c_read8(pattern++);
		offset--;
	}
	*error++ = ' ';
	c_va_start(arguments, format);
	vsnprintf(error, sizeof(parser->error) - (error - parser->error), format, arguments);
	c_va_end(arguments);
	c_longjmp(parser->jmp_buf, 1);
}

void fxPatternParserEscape(txPatternParser* parser, txBoolean punctuator)
{