Class: MathExpr

Inherits:

Object

Object
MathExpr

Defined in:: lib/code_generator.rb

Instance Method Summary collapse

#gen ⇒ Object
#initialize(op, e1, e2) ⇒ MathExpr constructor

A new instance of MathExpr.

Constructor Details

#initialize(op, e1, e2) ⇒ `MathExpr`

Returns a new instance of MathExpr.

# File 'lib/code_generator.rb', line 207

def initialize op, e1, e2
  @e1, @e2 = e1, e2
  @operation = { plus: '+', minus: '-' }[op]
end

Instance Method Details

#gen ⇒ `Object`



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# File 'lib/code_generator.rb', line 212

def gen
  "#{@e1.gen} #{@operation} #{@e2.gen}"
end