Class: Mayl::Parser

Inherits:

Object

• Object
• Mayl::Parser

Defined in:

lib/mayl/parser.rb

Overview

Public: The parser interprets commands and executes them.

Instance Method Summary

• #initialize(env) ⇒ Parser constructor

  Public: initializes a new Parser with an environment.

• #parse(input) ⇒ Object

  Public: Parses a given input and creates a command representation for it.

Constructor Details

#initialize(env) ⇒ Parser

Public: initializes a new Parser with an environment.

env - the global state.

# File 'lib/mayl/parser.rb', line 7

def initialize(env)
  @env = env
end

Instance Method Details

#parse(input) ⇒ Object

Public: Parses a given input and creates a command representation for it.

Returns a Command.

# File 'lib/mayl/parser.rb', line 14

def parse(input)
  operator, *operands = input.split
  klass = Commands.const_get(operator.capitalize)
  klass.new(@env, *Array(operands))
end