> a) Performance wise the right thing to do is to use static labels and > pre-compute them during compile-time (I remembered you were aware of that). > b) We therefore should not require an additional opcode for goto. > I did consider that, but the idea of computed targets (goto "foo$bar";) souded sexy enough to go with. Someone suggested mixing pre-computed static gotos (using ZEND_JMP) and runtime dynamic gotos (using ZEND_GOTO) to get the best of speed and flexibility.
> c) I don't think you are creating the necessary switch_free's and other > frees when jumping out of a scope unexpectedly. > Entirely possible. The tests I've run don't complain but that doesn't mean something bad isn't happening. > d) Due to (c) it would make it pretty much impossible to jump into code > blocks (i.e. the C# example). > Again, for some reason it "works" in my simple test cases, but it sounds like I need to do some more digging and find out what's not being done and where it'll break in more complex code. > Again, I in no way meant to offend you, I just got the impression you > were aware of some of these problems and just did it for fun. > Assumptions are bad, and I've made my own fair number, but if I thought there were significant problems I wouldn't have let anyone see the code in the first place. :) -Sara -- PHP Internals - PHP Runtime Development Mailing List To unsubscribe, visit: http://www.php.net/unsub.php
