Programming Language X

Programming Language X is a compiler written in C.

Current State

The compiler implements parsing, name resolution, type checking, and code generation for a limited number of programming language features and includes two backends: LLVM IR and WebAssembly.

Building

In order to build the compiler from source, CMake and a C compiler such as Clang or GCC is required. First, ensure these dependencies are installed on your system. Next, clone this repository and open a shell in the directory. Lastly, build the compiler by running the following commands:

mkdir build
cd build
cmake ..
cmake --build .

Syntax

Definitions

Define a constant.

const foo = 1;

Define a variable.

var foo = 1;

Declare a variable.

var foo: s32;

Define a function.

func foo(bar: s32) -> s32 {
  return bar;
}

Types

Integer types:

s8
s16
s32
s64
u8
u16
u32
u64

Floating point types:

f32
f64

Boolean type:

bool

Function types:

func (s32) -> s32

Array types:

[8]s32

Slice types:

[]s32

Examples

Add two integers.

func add(a: s32, b: s32) -> s32 {
  return a + b;
}

Fibonacci sequence.

func fib(n: s32) -> s32 {
  if n == 0 {
    return 0;
  } else if n == 1 or n == 2 {
    return 1;
  } else {
    return fib(n - 1) + fib(n - 2);
  }
}