Class: Nydp::Literal

Inherits:
Object show all
Includes:
Helper
Defined in:
lib/nydp/literal.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Helper

#cons, #list, #literal?, #pair?, #sig, #sym, #sym?

Methods included from Converter

#n2r, #r2n

Constructor Details

#initialize(expression) ⇒ Literal

Returns a new instance of Literal.



6
7
8
 
# File 'lib/nydp/literal.rb', line 6

def initialize expression
  @expression = expression
end

Instance Attribute Details

#expression ⇒ Object (readonly)

Returns the value of attribute expression.



4
5
6
 
# File 'lib/nydp/literal.rb', line 4

def expression
  @expression
end

Class Method Details

.build(expression, bindings) ⇒ Object 



10
11
12
 
# File 'lib/nydp/literal.rb', line 10

def self.build expression, bindings
  new expression
end

Instance Method Details

#<(other) ⇒ Object 



31
32
33
 
# File 'lib/nydp/literal.rb', line 31

def < other
  other > expression
end

#==(other) ⇒ Object 



35
36
37
 
# File 'lib/nydp/literal.rb', line 35

def == other
  other.is_a?(Literal) && (self.expression == other.expression)
end

#>(other) ⇒ Object 



27
28
29
 
# File 'lib/nydp/literal.rb', line 27

def > other
  other < expression
end

#coerce(_) ⇒ Object 



23
24
25
 
# File 'lib/nydp/literal.rb', line 23

def coerce _
  [_, expression]
end

#execute(vm) ⇒ Object 



14
15
16
 
# File 'lib/nydp/literal.rb', line 14

def execute vm
  vm.push_arg expression
end

#inspect ⇒ Object 



19
 
# File 'lib/nydp/literal.rb', line 19

def inspect   ; @expression.inspect ; end

#nydp_type ⇒ Object 



18
 
# File 'lib/nydp/literal.rb', line 18

def nydp_type ; :literal            ; end

#to_ruby ⇒ Object 



21
 
# File 'lib/nydp/literal.rb', line 21

def to_ruby   ; n2r @expression     ; end

#to_s ⇒ Object 



20
 
# File 'lib/nydp/literal.rb', line 20

def to_s      ; @expression.to_s    ; end