文件列表:

.stylish-haskell.yaml (151, 2023-07-22)
app (0, 2023-07-22)
app\Main.hs (5080, 2023-07-22)
clang.nix (140, 2023-07-22)
examples (0, 2023-07-22)
examples\lux.coy (13179, 2023-07-22)
golden (0, 2023-07-22)
golden\Main.hs (3339, 2023-07-22)
golden\data (0, 2023-07-22)
golden\data\boolean_algebra.coy (139, 2023-07-22)
golden\data\boolean_algebra.stdout (9, 2023-07-22)
golden\data\comments.coy (185, 2023-07-22)
golden\data\comments.stdout (9, 2023-07-22)
golden\data\composite_scrutinee.coy (131, 2023-07-22)
golden\data\composite_scrutinee.stdout (9, 2023-07-22)
golden\data\constants.coy (100, 2023-07-22)
golden\data\constants.stdout (19, 2023-07-22)
golden\data\conversion.coy (85, 2023-07-22)
golden\data\conversion.stdout (15, 2023-07-22)
golden\data\enum_with_no_variants.coy (98, 2023-07-22)
golden\data\enum_with_no_variants.stdout (9, 2023-07-22)
golden\data\if.coy (75, 2023-07-22)
golden\data\if.stdout (9, 2023-07-22)
golden\data\intrinsics.coy (147, 2023-07-22)
golden\data\intrinsics.stdout (64, 2023-07-22)
golden\data\linear_feedback_shift_register.coy (441, 2023-07-22)
golden\data\linear_feedback_shift_register.stdout (900, 2023-07-22)
golden\data\match.coy (81, 2023-07-22)
golden\data\match.stdout (9, 2023-07-22)
golden\data\maybe_f64.coy (331, 2023-07-22)
golden\data\maybe_f64.stdout (19, 2023-07-22)
golden\data\ppm.coy (524, 2023-07-22)
golden\data\ppm.stdout (53, 2023-07-22)
golden\data\print_braces.coy (108, 2023-07-22)
golden\data\print_braces.stdout (66, 2023-07-22)
golden\data\print_double_quotes.coy (104, 2023-07-22)
golden\data\print_double_quotes.stdout (67, 2023-07-22)
... ...

# coy Coy is a small programming language with algebraic data types and pattern matching; it has a Rust-like syntax and compiles to [LLVM IR]. [LLVM IR]: https://llvm.org/docs/LangRef.html ## Example An extensive example is available at [`examples/lux.coy`](https://github.com/zuqq/coy/blob/master/examples/lux.coy), containing a partial implementation of [Ray Tracing in One Weekend][Shirley]. This example shows off most of Coy's features; it has no arrays, first-class functions, mutable variables, references, etc. [Shirley]: https://raytracing.github.io/books/RayTracingInOneWeekend.html ## Installation Coy uses [`stack`] to manage its build process. [`stack`]: https://www.haskellstack.org ## Usage Coy compiles its input to LLVM IR, relying on Clang for code generation. It targets LLVM 9, because that's what [`llvm-hs-pretty`] supports. The provided [`clang.nix`](https://github.com/zuqq/coy/blob/master/clang.nix) Nix expression is a convenient way of setting up an environment with a compatible Clang version through [`nix-shell`]. An an example, let's compile [`examples/lux.coy`](https://github.com/zuqq/coy/blob/master/examples/lux.coy). First, build and run Coy: $ stack run -- --output=lux.ll examples/lux.coy This produces a `lux.ll` file that contains the LLVM IR generated by Coy. Now, open a shell that contains Clang: $ nix-shell clang.nix ... compile the LLVM IR generated by Coy: [nix-shell]$ clang -O3 -o lux lux.ll ... and run the generated executable: [nix-shell]$ ./lux > lux.ppm This produces an image in [plain PPM format] that you can open in your favorite image viewer. [`llvm-hs-pretty`]: https://hackage.haskell.org/package/llvm-hs-pretty [`nix-shell`]: https://nixos.org/manual/nix/stable/command-ref/nix-shell.html [plain PPM format]: http://netpbm.sourceforge.net/doc/ppm.html

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