Lumos Language

Lumos is a lightweight, beginner-friendly interpreted programming language designed for learning, experimentation, and scripting.

Influences

Lumos is influenced by

• Python
• JavaScript
• BASIC
• ShellScript

Available

• Variable Declaration:

  let x = 5

• Function Definition:

  def greet(name) { let message = "Hello," + name }

• Function Invocation:

  greet("Bob")

• Control Structures:

  for i = 1 to 5 { let square = i * i }

  while (x < 10) { let x = x + 1 }

  3.times do |i| {i} end

• Conditional branch:

  if (x == 10) {  let status = "Done"  } else {  let status = "Not yet"  }

  if (x == 10) { let status = "Done" } elsif (x == 20) { let status = "Already" } else { let status = "Not yet" }

• Break and Continue:

  break

  continue

• Launch from your terminal:

  npm i lumos-language

  cd path/to/lumos-language

  node index.cjs

• Compile on your terminal:

  npm i lumos-language

  cd path/to/lumos-language

  node index.cjs main.lumos

Caution

• Please write the code in a single line and don't execute it while writing.
• When installing Lumos Language, don't use

npm install @uchida16104/lumos-language

but instead use

npm i lumos-language

in the terminal.

Change

• You can refer to npm or GitHub Releases.

More Info

Get from pdf.

2025 © Hirotoshi Uchida