sexp-template/src/compiler.js

const AST = require('./ast')

module.exports = class Compiler {
  compile(tree) {
    let output = ''

    tree.forEach(node => {
      output += this.compileNode(node)
    })

    return output
  }

  compileNode(node) {
    switch (node.constructor) {
      case AST.Number:
      case AST.String:
        return node.value
      case AST.Lambda:
        return '<lambda>'
    }
  }
}