Class: ExpressionParser::Token

Inherits:
Object
  • Object
show all
Defined in:
lib/expression_parser/token.rb

Constant Summary collapse

Plus =
0
Minus =
1
Multiply =
2
Divide =
3
Number =
4
LParen =
5
RParen =
6
MOD =
7
GThan =
8
LThan =
9
Equal =
10
NotEqual =
11
GThanE =
12
LThanE =
13
End =
14

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initializeToken

Returns a new instance of Token.



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# File 'lib/expression_parser/token.rb', line 28

def initialize
  @kind = nil
  @value = nil
end

Instance Attribute Details

#kindObject

Returns the value of attribute kind.



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# File 'lib/expression_parser/token.rb', line 25

def kind
  @kind
end

#valueObject

Returns the value of attribute value.



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# File 'lib/expression_parser/token.rb', line 26

def value
  @value
end

Instance Method Details

#unknown?Boolean

Returns:

  • (Boolean)


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# File 'lib/expression_parser/token.rb', line 33

def unknown?
  @kind.nil?
end