On Sun, Apr 5, 2015 at 12:01 AM, stepharo <steph...@free.fr> wrote: > > > Le 30/3/15 09:10, Marcus Denker a écrit : > > On 29 Mar 2015, at 10:32, stepharo <steph...@free.fr> wrote: >>> >>> Before that I would like that the compiler outputs classes definition in >>> an environment (that can be the default one) but that can be the one >>> I want and specified from the outside of the compiler. >>> >> For installing, it is the ClassInstaller that does that (and yes, it has >> an environment). >> >> What the compiler does not have is to look up references e.g. to symbols >> regarding to an environment, but that is because we >> don’t have that concept right now in the system in general. globals/class >> vars are requested from the class (which defines its environment). >> >> So in general, we first need a use case, else it is not clear what to do… >> > > Sc1: > Imagine that Max wants to load code that if the code is incomplete or > contains Undefined the code is not loaded at all. > To do so we need to be able to compile the code in a separate > namespace. Then on success copy/install to another one. > > sd := SystemDictionary new. > OpalCompiler > inputEnvironment: Smalltalk globals > outputEnvironment: sd. > > This shows that probably sd should be linked to Smalltalk globals to be > able to find new added class (that will not be found in sd). > > Sc2: > We should be able to compile Opal beside Opal in a sister environment, > modify it by compiling method there. > > Sc3: > Guillermo's Tornado Infrastructure. > Instead of installing, copying manually and hacking, probably that > guillermo needs a compiling infrastructure were we can say > - look for literals in this special array or environemtn > - look for globals in this one > - put the returns in the other literalas environment and globals. > > Stef > > What would be exciting is in a "host-image" being able to generate an empty special-object Root-Object (like is held by the VM) as a guest-image inside the host-image, so you can push core elements into it until the guest is a running minimal-image, but standard tools can be used to debug it. I guess this might be like the simulator (which I haven't used) - but maybe that just simulates the VM so there are differences. </dreaming>
btw (and just for interest), are there any tutorials for running the simulator. A quick google didn't bring up anything useful. cheers -ben
