Class: WrapperFunction

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Includes:
MemberNames
Defined in:
ext/generate_gvl_code.rb

Overview

the zkrb_gvl_zoo_* function

Constant Summary collapse

PREFIX = 
'zkrb_gvl'

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from MemberNames

#member_names

Constructor Details

#initialize(zoo_fn_name, struct) ⇒ WrapperFunction

Returns a new instance of WrapperFunction.



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# File 'ext/generate_gvl_code.rb', line 104

def initialize(zoo_fn_name, struct)
  @zoo_fn_name = zoo_fn_name
  @struct = struct
  @name = "#{PREFIX}_#{zoo_fn_name}"
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'ext/generate_gvl_code.rb', line 102

def name
  @name
end

#struct ⇒ Object (readonly)

Returns the value of attribute struct.



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# File 'ext/generate_gvl_code.rb', line 102

def struct
  @struct
end

#zoo_fn_name ⇒ Object (readonly)

Returns the value of attribute zoo_fn_name.



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# File 'ext/generate_gvl_code.rb', line 102

def zoo_fn_name
  @zoo_fn_name
end

Instance Method Details

#body ⇒ Object 



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# File 'ext/generate_gvl_code.rb', line 114

def body
  @body ||= (
    lines = ["#{fn_signature} {"]
    lines << "  #{struct.name} *a = (#{struct.name} *)data;"

    funcall = "  a->rc = #{zoo_fn_name}("
    funcall << member_names.map { |m| "a->#{m}" }.join(', ')
    funcall << ');'

    lines << funcall

    lines << "  return Qnil;"
    lines << "}"
    lines.join("\n")
  )
end

#fn_signature ⇒ Object 



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# File 'ext/generate_gvl_code.rb', line 110

def fn_signature
  @fn_signature ||= "static VALUE #{name}(void *data)"
end