Aug. 23, 2002
4:53 p.m.
[attribution lost]
It's an implementation problem. You find yourself doing a lot of string accessing and pasting, creating several new objects per input char.
[Greg Ewing]
Not necessarily! Plex manages to do it without any of that.
The trick is to leave all the characters in the input buffer and just *count* how many characters make up the next token.
[/F]
you can do that without even looking at the characters?
1-character strings are shared; string[i] doesn't create a new object except for the first time that character is seen. string_item() in particular uses the character found to index into an array of 1-character string objects.