🍒 Cherry Programming Language 🍒

Dependencies

Install the following dependencies:

• CMake
• Ninja
• Make
• Clang

Build Cherry

To build the LLVM project and Cherry run:

make all

Grammar & Builtins

Cherry grammar

Builtins

Driver Flags

See test/cherry/Driver for invocation examples.

Meaning	Flag
Dump tokens	-dump=tokens
Parse and dump the AST	-dump=parse
Parse, type-check and dump the AST	-dump=ast
Dump the MLIR (cherry)	-dump=mlir
Dump the MLIR (cherry + scf)	-dump=mlir1
Dump the MLIR (cherry + scf + arith + cf + func)	-dump=mlir2
Dump the MLIR (LLVM)	-dump=mlir-llvm
Dump the LLVM IR	-dump=llvm
Select the LLVM backend	-b=llvm
Select the MLIR backend (default)	-b=mlir
Parse and type-check	-typecheck
Enable optimisation	-opt
Generate a target ".o" object file	-c[=<FILE_PATH>]

Syntax Example

# This is a comment

struct A { }

struct B {
  x: Bool,
  y: A
}

fn bar(x: UInt64, y: Bool): B {
  var k: Bool = y;
  
  k = if k {
    print(18446744073709551615);
    false
  } else {
    print(1);
    true
  };

  var unit: () = while k {
  	k = false;
  	()
  };

  B(k, A())
}

fn baz(): () {
  ()
}

fn main(): UInt64 {
  0 % 3 * 8 / 4 + 3 - 1;
  3 lt 1; 3 le 1; 3 gt 1; 3 ge 1;
  true and false or true eq false neq true;

  var structValue: B = bar(18446744073709551615, false);
  print(boolToUInt64(structValue.x));
  baz();
  0
}