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A dead-simple programming language

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# 🔩 Makeshift - A dead-simple programming language

Makeshift is a programming language that was designed to bootstrap the [Ashet Home Computer](https://ashet.computer/). It is meant to run on 16 bit machines and is currently implemented with that restriction.

Check out some example source:

```cs
const text = { 48, 48, 55, 0 };

fn strlen(ptr) {
  var len = 0;
  while(ptr@(len)) {
    len = len + 1;
  }
  return len;
}

fn main() {
  return strlen(text);
}
```

## Design goals

- Make a programming language that is suitable for 16 bit machines
- Make a programming language that can be bootstrapped from assembly.
- Don't care too much about type or memory safety
- Well-known syntax constructs (C style)

## Project Status

**EXPERIMENTAL**

The parser and interpreter for Makeshift is implemented already, but the compiler and (optional) optimizer is still missing.

### TODO

- [ ] Optimize string handling
  - [ ] Put strings into global memory instead of stack for temporaries
  - [ ] Deduplicate strings
- [ ] New feature: Pre-initialized sized memory ("give me 20 bytes")
- [ ] SPU 2 Compiler
  - [ ] Compile to intermediate modules
    - [ ] Modules have export table (symbol name => offset)
    - [ ] Modules have import table (offset => symbol name)
  - [ ] Allow linking of several modules into one
  - [ ] Modules can be hand-written with assembler
  - [ ] Link modules together into a final binary
- [ ] Expression optimizer
  - [ ] Recursively try to replace constant parts in expressions.
    - [ ] If a expression is comptime evaluatable, it can be replaced by the equivalent `number` expression, even when function calls are incorporated (just apply the same rules as for top-level expressions).
  - [ ] Deduplication of constants with the same value
  - [ ]

makeshift

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