ghc-whole-program-compiler-project
hs-foreign-emscripten
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ghc-whole-program-compiler-project | hs-foreign-emscripten | |
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9 | 2 | |
115 | 7 | |
1.7% | - | |
8.8 | 0.0 | |
6 months ago | almost 4 years ago | |
Haskell | JavaScript | |
- | ISC License |
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ghc-whole-program-compiler-project
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Can GHCi be run like PDB?
Another thing you can try is the ghc-wpc project which has an interpreter which supports breakpoints, though you may need to hack little a bit to achieve your goals.
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ELI5: Why does the new Javascript backend need to live in GHC instead of consuming GHC-WPC output?
If I understand the new GHCJS backend correctly, it diverges from the normal compilation pipeline at STG (see the new StgToJS module subtree). Wouldn't that make it an excellent candidate to use GHC-WPC's machine-readable external STG representation, instead of hooking it directly into the GHC source tree?
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Haskell compiled onto LLVM increase performance?
Here the goal is to build a high level, easy to understand model for all GHC backend features. Validations is also required. Once we know the semantics of GHC primops and RTS features then it becomes possible to figure out how to compile Haskell programs to GRIN. I started the GHC-WPC project for this reason. GHC-WPC exports the STG intermediate representation for the whole Haskell program, and I wrote an STG interpreter from scratch in Haskell that can run any Haskell program. (i.e. GHC itself) The STG interpreter is the high level model for the GHC primop and RTS semantics. It implements all these in pure Haskell, it does not depend on GHC RTS at all.
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Why is the debugger so bad in Haskell? (or is it just me)
I can easily debug any Haskell program with the external STG interpreter. https://www.youtube.com/watch?v=DkDUEd3pUyM https://github.com/grin-compiler/ghc-whole-program-compiler-project
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Haskell program inspector tooling development
Hello, I'm using the external STG interpreter to observe the runtime behaviour of Haskell programs. Lately I've added an initial call-graph construction feature that I plan to refine further. https://twitter.com/csaba_hruska/status/1417486380536582151 Is there anyone who has dynamic analysis related research ambitions and wants to study Haskell program runtime behaviour in detail? If so then it would be great to talk.
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What are you hyped about today?
I haven't gotten my hands dirty yet, but really excited hearing GHC-WPC is going on!
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GHC Pluggable Backend?
Why didn't you mention GHC-WPC? It is also a backend sample. It exports enough information (STG + linker opts + c bits) to interpret the program or to generate a binary executable via the regular GHC codegen system. https://github.com/grin-compiler/ghc-whole-program-compiler-project
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Transpiling to GHC Core language
You could use the GHC codegen and RTS via the external STG IR. https://github.com/grin-compiler/ghc-whole-program-compiler-project
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Next-gen Haskell Compilation Techniques
Remarks: 1. Strict functional languages can be expressed in STG without overhead, because STG has explicit liftedness control. In a strict language every data is unlifted or unboxed. 2. Supporting all GHC primops is not unrealistic. See the primop implementation in the external STG interpreter source code. Here is the implementation of the threading primops.
hs-foreign-emscripten
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Pandoc in the browser w/ lua (possible contract gig?)
ghcjs does support C FFI, and I know of this very rough prototype that helps with the gap between ghcjs C FFI expectations and emscripten output
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GHC Pluggable Backend?
i looked into that recently, and i found that GHCJS did compile the foreign import ccall into something but not quite emscripten-compatible. Another tool handled that though.
What are some alternatives?
haskell.nix - Alternative Haskell Infrastructure for Nixpkgs
wasm-pandoc - Pandoc compiled into WebAssembly by Asterius. 📚
IdrisExtSTGCodegen
grin - GRIN is a compiler back-end for lazy and strict functional languages with whole program optimization support.
pandoc - Universal markup converter
ghc-dump - A GHC plugin and library for analysing GHC Core
binaryen - DEPRECATED in favor of ghc wasm backend, see https://www.tweag.io/blog/2022-11-22-wasm-backend-merged-in-ghc
ghc-wpc - GHC-WPC is an extended GHC that exports the STG and other IR (.modpak) for the compiled modules and linker metadata (.ghc_stgapp) at application link time.
hint - Runtime Haskell interpreter
manual-stg-experiment - Manually constructed STG programs compiled with the standard GHC codegen backend.
fused-effects-system - Profiling for Haskell programs without recompiling, via fused-effects.