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Kartik K. Agaram 2021-03-08 21:24:45 -08:00
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21
linux/README.md
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@ -1,8 +1,14 @@
A set of standard libraries for building programs that run with just a Linux This directory contains Mu programs and infrastructure that require a Linux
kernel. Most programs here read from stdin and write to stdout. One of these kernel. To run programs under this directory, you must first `cd` into it.
programs is the Mu compiler ([colorized sources](http://akkartik.github.io/mu/html/apps/mu.subx.html)).
Other apps beyond the Mu toolchain: ```sh
$ cd linux/
$ ./translate hello.mu # generates a.elf
$ ./a.elf
Hello world!
```
Some programs to try out:
* `tile`: [An experimental live-updating postfix shell environment](https://mastodon.social/@akkartik/105108305362341204) * `tile`: [An experimental live-updating postfix shell environment](https://mastodon.social/@akkartik/105108305362341204)
that updates as you type. Prototype. Look at this to see what is currently that updates as you type. Prototype. Look at this to see what is currently
@ -18,10 +24,11 @@ Other apps beyond the Mu toolchain:
* `factorial*`: A simple program to compute factorials in 5 versions, showing * `factorial*`: A simple program to compute factorials in 5 versions, showing
all the different syntax sugars and what they expand to. all the different syntax sugars and what they expand to.
The Mu toolchain is also here in the following phases: The Mu compiler toolchain is also here in the following phases:
* Core SubX: `hex`, `survey_elf`, `pack`, `dquotes`, `assort`, `tests`
* Bare SubX: `hex`, `survey_elf`, `pack`, `dquotes`, `assort`, `tests`
* Syntax sugar for SubX: `sigils`, `calls`, `braces` * Syntax sugar for SubX: `sigils`, `calls`, `braces`
* More ambitious translator for a memory-safe language (in progress): `mu` * Mu->SubX compiler: `mu`
The toolchain includes binaries in the repo. At any commit, the binary should The toolchain includes binaries in the repo. At any commit, the binary should
be identical bit for bit with the result of translating the corresponding be identical bit for bit with the result of translating the corresponding

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linux/ex6.subx
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== data == data
Size: # size of string Size: # size of string
0x0e/imm32 # 14 0x0d/imm32 # 13
X: # string to print X: # string to print
48 65 6c 6c 6f 2c 20 77 6f 72 6c 64 21 0a 00 48 65 6c 6c 6f 20 77 6f 72 6c 64 21 0a 00
# H e l l o , ␣ w o r l d ! newline null # H e l l o ␣ w o r l d ! newline null
# . . vim:nowrap:textwidth=0 # . . vim:nowrap:textwidth=0

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linux/tile/README.md
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## hacking ## hacking
Unlike the top-level directory, this is just a prototype so far. There are no This is just a prototype. There are no tests.
tests.
To add a new primitive you'll need to hard-code it into the `evaluate` To add a new primitive you'll need to hard-code it into the `evaluate`
function (apps/tile/rpn.mu). function (apps/tile/rpn.mu).