Re: [RFC] Constant Scalar Expressions

Am 16.08.2013 01:42 schrieb "Stas Malyshev" <smalyshev@sugarcrm.com>: > > But this is not the most tricky part. The most tricky part is this: > if(true) return; > class Foo { > const halfpie = M_PI/2; > } > > Now what happens if this is implemented as an opcode? We can't run any > opcodes past return statement, but Foo is expected to be defined here. Couldn't the opcodes for such behind-the-scenes initialization be generated as the first thing of the '(main)' opcode stream, so that they would run before it comes to the "if (true) return;" ? Once that is in place, make classes have an optional on-first-use opcode stream, too: - emit calls to that in the file's up-front opcode stream for each locally defined class that has them - in that per-class initializer stream, expression evaluation even for non-constant initializers (protected $foo = anything::whatever()*10;) could be put - and also a call to the much talked about static class initializer function - all in strict definition order, with fallout related to interdependance left to confuse class authors :) best regards Patrick