Class: Crisp::Runtime

Inherits:

Object

• Object
• Crisp::Runtime

Defined in:

lib/crisp/runtime.rb

Overview

The Crisp Runtime

Each runtime holds its own environment. All predefined functions are loaded when creating a new runtime. Run code by calling run with the output of the parser as argurment.

Instance Method Summary

• #initialize(env = nil) ⇒ Runtime constructor

  create a new env and load all functions when creating a new runtime.

• #run(ast) ⇒ Object

  run the parsed code (abstract syntax tree).

Constructor Details

#initialize(env = nil) ⇒ Runtime

create a new env and load all functions when creating a new runtime

# File 'lib/crisp/runtime.rb', line 9

def initialize(env = nil)
  @env = env || Env.new
  Functions.load(@env) if !env
end

Instance Method Details

#run(ast) ⇒ Object

run the parsed code (abstract syntax tree)

# File 'lib/crisp/runtime.rb', line 15

def run(ast)
  ast.eval(@env)
end