Tree-walk interpreter of lox programming language written in go

crafting interpreters book

build/run

sh your_program.sh run filename.lox # if you want to run code

sh your_program.sh tokenize filename.lox # if you want to get all tokens

sh your_program.sh parse filename.lox # if you want to parse expression

sh your_program.sh evaluate filename.lox # if you want to evaluate expression

supports

• expressions

• statements

• control flow (branches, loops)

• functions

• classes, methods

• inheritance

• arrays (partly, they're immutable, no helpfull builtins, only declaration and subscription)

some lox code

class Base {
  method() {
    print "Base.method()";
  }
}

class Parent < Base {
  method() {
    super.method();
  }
}

class Child < Parent {
  method() {
    super.method();
  }
}

var parent = Parent();
parent.method();
var child = Child();
child.method();

output

Base.method()
Base.method()