May 06, 2013
My big project at the moment involves rewriting the Epoch language compiler for what feels like the millionth time.
The good news is, instead of yet another C++ incarnation of the compiler, this time around I'm moving towards a self-hosted model, where the compiler for Epoch is itself an Epoch progr…
The good news is, instead of yet another C++ incarnation of the compiler, this time around I'm moving towards a self-hosted model, where the compiler for Epoch is itself an Epoch progr…
April 22, 2013
Bytecode generation is done... more or less. I have a feeling there's a few instructions that are still missing but the compiler test suite passes so obviously there's plenty of stuff that does work...
Instead of spamming my journal here with noise about this every couple of days, I'm going to keep …
Instead of spamming my journal here with noise about this every couple of days, I'm going to keep …
April 21, 2013
As I've discussed previously, my goal for Epoch Release 15 is to get the compiler self-hosting. In a nutshell, that means that an Epoch program will be used to compile all other Epoch programs, including itself.
To do this, I'm working backwards from the compiler back-end first to the lexer/parser l…
To do this, I'm working backwards from the compiler back-end first to the lexer/parser l…
April 17, 2013
Release 14 of the Epoch programming language is now live!
That brings us to the pertinent and slightly bothersome question: what will be worked on for Release 15?
There are a number of features I'm interested in improving and/or implementing, ranging from object lifetime semantics to parallelism func…
That brings us to the pertinent and slightly bothersome question: what will be worked on for Release 15?
There are a number of features I'm interested in improving and/or implementing, ranging from object lifetime semantics to parallelism func…
April 15, 2013
So I've been looking over my past notes and decided that I'm pretty happy with the state of affairs over in Epoch land. The garbage collector is running, tuned for reasonable performance, and successfully keeps the native-code realtime raytracer clamped at a decently small degree of RAM usage.
The o…
The o…
April 14, 2013
It was an epic fight, but I finally managed to subdue the last few LLVM garbage collection bugs and get a full test suite pass.
I'm kind of tired (it's 5:30AM and I've been running all night) so I'll try to reword that a little more clearly:
Epoch is, as of right now, passing all compilation and runt…
I'm kind of tired (it's 5:30AM and I've been running all night) so I'll try to reword that a little more clearly:
Epoch is, as of right now, passing all compilation and runt…
April 11, 2013
The last major task for release 14 of the Epoch programming language is integrating garbage collection with the LLVM-supported JIT native code generation layer.
Ostensibly, LLVM supports hooks for making garbage collection possible. It doesn't take much digging to find out that this is a complete li…
Ostensibly, LLVM supports hooks for making garbage collection possible. It doesn't take much digging to find out that this is a complete li…
April 08, 2013
Last night at some unholy hour I finished a first pass at marshaling Epoch data back and forth across C-ABI boundaries. In less annoying terminology, this means that Epoch programs can do things like call Windows API functions, C-compatible APIs in other DLLs, and so on. More interestingly, those A…
April 08, 2013
Today I wrapped up the last Epoch compiler test suite failure besides C-API marshaling. That means 53 of 54 compiler tests are passing as pure native code - no VM to get in the way and slow things down.
Once C marshaling is in place, I'll need to rework the garbage collection implementation a bit, a…
Once C marshaling is in place, I'll need to rework the garbage collection implementation a bit, a…
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