Class: Rbind::RTypeAnnotation

Inherits:
SimpleDelegator
  • Object
show all
Defined in:
lib/rbind/core/rtype_annotation.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(type, options = Hash.new) ⇒ RTypeAnnotation

Returns a new instance of RTypeAnnotation.



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# File 'lib/rbind/core/rtype_annotation.rb', line 7

def initialize(type,options=Hash.new)
    super(type)
    @options = options
end

Instance Attribute Details

#const ⇒ Object

Returns the value of attribute const.



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# File 'lib/rbind/core/rtype_annotation.rb', line 5

def const
  @const
end

Instance Method Details

#const? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rbind/core/rtype_annotation.rb', line 32

def const?
    if @options.has_key? :const
        !!@options[:const]
    else
        super
    end
end

#csignature(sig = nil) ⇒ Object 



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# File 'lib/rbind/core/rtype_annotation.rb', line 119

def csignature(sig=nil)
    generate_signatures[1]
end

#generate_signatures ⇒ Object 



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# File 'lib/rbind/core/rtype_annotation.rb', line 123

def generate_signatures
    str_pre = ""
    str_post = ""

    str_pre = "const " if const?
    str_post += "&" if ref?
    str_post += "*" * @options[:ptr] if ptr?
    __getobj__.generate_signatures.map do |s|
        str_pre + s + str_post
    end
end

#ownership? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rbind/core/rtype_annotation.rb', line 48

def ownership?
    if @options.has_key? :ownership
        !!@options[:ownership]
    else
        super
    end
end

#ptr? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rbind/core/rtype_annotation.rb', line 77

def ptr?
    if @options.has_key? :ptr
        @options[:ptr] != 0
    else
        super
    end
end

#raw? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rbind/core/rtype_annotation.rb', line 111

def raw?
    false
end

#ref? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rbind/core/rtype_annotation.rb', line 99

def ref?
    if @options.has_key? :ref
        !!@options[:ref]
    else
        super
    end
end

#remove_annotation(key) ⇒ Object 



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# File 'lib/rbind/core/rtype_annotation.rb', line 22

def remove_annotation(key)
    opt = @options.clone
    opt.delete(key)
    if opt.empty?
        __getobj__
    else
        RTypeAnnotation.new(__getobj__,opt)
    end
end

#remove_const ⇒ Object 



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# File 'lib/rbind/core/rtype_annotation.rb', line 44

def remove_const
    remove_annotation(:const)
end

#remove_ownership ⇒ Object 



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# File 'lib/rbind/core/rtype_annotation.rb', line 64

def remove_ownership
    remove_annotation(:ownership)
end

#remove_ptr ⇒ Object 



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# File 'lib/rbind/core/rtype_annotation.rb', line 85

def remove_ptr
    return self if !ptr?
    val = @options[:ptr]-1
    if val == 0
        remove_annotation(:ptr)
    else
        to_annotation(:ptr,val)
    end
end

#remove_ref ⇒ Object 



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# File 'lib/rbind/core/rtype_annotation.rb', line 107

def remove_ref
    remove_annotation :ref
end

#signature(sig = nil) ⇒ Object 



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# File 'lib/rbind/core/rtype_annotation.rb', line 115

def signature(sig=nil)
    generate_signatures[0]
end

#to_annotation(key, val) ⇒ Object 



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# File 'lib/rbind/core/rtype_annotation.rb', line 12

def to_annotation(key,val)
    if @options.has_key?(key) && @options[key] == val
        self
    else
        opt = @options.clone
        opt[key] = val
        RTypeAnnotation.new(__getobj__,opt)
    end
end

#to_const ⇒ Object 



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# File 'lib/rbind/core/rtype_annotation.rb', line 40

def to_const
    to_annotation(:const,true)
end

#to_ownership(val = true) ⇒ Object 



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# File 'lib/rbind/core/rtype_annotation.rb', line 56

def to_ownership(val=true)
    if ptr?
        to_annotation(:ownership,val)
    else
        super
    end
end

#to_ptr ⇒ Object 



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# File 'lib/rbind/core/rtype_annotation.rb', line 68

def to_ptr
    val = if ptr?
              @options[:ptr]+1
            else
                1
            end
    to_annotation(:ptr,val)
end

#to_ref ⇒ Object 



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# File 'lib/rbind/core/rtype_annotation.rb', line 95

def to_ref
    to_annotation :ref,true
end