Class: JavaClass::ClassFile::Constants::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/javaclass/classfile/constants/base.rb

Overview

Superclass of all constant values in the constant pool. Every constant has a name, a tag and a size in bytes.

Author

Peter Kofler

Direct Known Subclasses

SingleReference, Value

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name = nil) ⇒ Base

Set default constants.



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# File 'lib/javaclass/classfile/constants/base.rb', line 20

def initialize(name=nil)
  if name
    @name = name
  else 
    @name = self.class.to_s[/::[^:]+$/][10..-1] # skip modules (::) and "Constant"
  end
  @size = 3
  @slots = 1
end

Instance Attribute Details

#name ⇒ Object (readonly)

ZenTest FULL to find method name



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# File 'lib/javaclass/classfile/constants/base.rb', line 14

def name
  @name
end

#size ⇒ Object (readonly)

Returns the value of attribute size.



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# File 'lib/javaclass/classfile/constants/base.rb', line 16

def size
  @size
end

#slots ⇒ Object (readonly)

Returns the value of attribute slots.



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# File 'lib/javaclass/classfile/constants/base.rb', line 17

def slots
  @slots
end

#tag ⇒ Object (readonly)

Returns the value of attribute tag.



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# File 'lib/javaclass/classfile/constants/base.rb', line 15

def tag
  @tag
end

Instance Method Details

#const_class? ⇒ Boolean

Return false for sanity check if it’s a class. Subclasses should overwrite.

Returns:

  • (Boolean) 


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# File 'lib/javaclass/classfile/constants/base.rb', line 36

def const_class?
  false
end

#const_field? ⇒ Boolean

Return false for sanity check if it’s a field. Subclasses should overwrite.

Returns:

  • (Boolean) 


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# File 'lib/javaclass/classfile/constants/base.rb', line 41

def const_field?
  false
end

#const_method? ⇒ Boolean

Return false for sanity check if it’s a method. Subclasses should overwrite.

Returns:

  • (Boolean) 


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# File 'lib/javaclass/classfile/constants/base.rb', line 46

def const_method?
  false
end

#dump ⇒ Object

Return part of debug output.



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# File 'lib/javaclass/classfile/constants/base.rb', line 31

def dump
  "#{@name}\t" # #{@tag}
end