Class: WhileNode

Inherits:

Struct

• Object
• Struct
• WhileNode

Defined in:

lib/toylang/ast/nodes.rb,
lib/toylang/interpreter/evaluation.rb

Instance Attribute Summary

• #body ⇒ Object

  Returns the value of attribute body.

• #condition ⇒ Object

  Returns the value of attribute condition.

Instance Method Summary

• #eval(context) ⇒ Object

Instance Attribute Details

#body ⇒ Object

Returns the value of attribute body

Returns:

• (Object) —

  the current value of body

# File 'lib/toylang/ast/nodes.rb', line 45

def body
  @body
end

#condition ⇒ Object

Returns the value of attribute condition

Returns:

• (Object) —

  the current value of condition

# File 'lib/toylang/ast/nodes.rb', line 45

def condition
  @condition
end

Instance Method Details

#eval(context) ⇒ Object

# File 'lib/toylang/interpreter/evaluation.rb', line 128

def eval(context)
  body.eval(context) while condition.eval(context).ruby_value
end