Class: Hornetseye::GCCType

Inherits:
Object show all
Defined in:
lib/multiarray/gcctype.rb

Instance Method Summary collapse

Constructor Details

#initialize(typecode) ⇒ GCCType

Returns a new instance of GCCType.



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# File 'lib/multiarray/gcctype.rb', line 22

def initialize( typecode )
  @typecode = typecode
end

Instance Method Details

#identifier ⇒ Object 



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# File 'lib/multiarray/gcctype.rb', line 26

def identifier
  case @typecode
  when nil
    'void'
  when BOOL
    'char'
  when BYTE
    'char'
  when UBYTE
    'unsigned char'
  when SINT
    'short int'
  when USINT
    'unsigned short int'
  when INT
    'int'
  when UINT
    'unsigned int'
  when SFLOAT
    'float'
  when DFLOAT
    'double'
  else
    if @typecode < Pointer_
      'void *'
    elsif @typecode < INDEX_
      'int'
    else
      raise "No identifier available for #{@typecode.inspect}"
    end
  end
end

#identifiers ⇒ Object 



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# File 'lib/multiarray/gcctype.rb', line 59

def identifiers
  if @typecode < Composite
    GCCType.new( @typecode.element_type ).identifiers * @typecode.num_elements
  else
    [ GCCType.new( @typecode ).identifier ]
  end
end

#r2c ⇒ Object 



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# File 'lib/multiarray/gcctype.rb', line 67

def r2c
  case @typecode
  when BOOL
    [ lambda { |expr| "( #{expr} ) != Qfalse" } ]
  when BYTE, UBYTE, SINT, USINT, INT, UINT
    [ lambda { |expr| "NUM2INT( #{expr} )" } ]
  when SFLOAT, DFLOAT
    [ lambda { |expr| "NUM2DBL( #{expr} )" } ]
  else
    if @typecode < Pointer_
      [ lambda { |expr| "(#{identifier})mallocToPtr( #{expr} )" } ]
    elsif @typecode < Composite
      GCCType.new( @typecode.element_type ).r2c * @typecode.num_elements
    else
      raise "No conversion available for #{@typecode.inspect}"
    end
  end
end