Class: Ruby2CExtension::Tools::GlobalManager

Inherits:
Object
  • Object
show all
Defined in:
lib/ruby2cext/tools.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ GlobalManager

Returns a new instance of GlobalManager.



33
34
35
36
37
 
# File 'lib/ruby2cext/tools.rb', line 33

def initialize
  @cnt = 0
  @src = []
  @reusable = {}
end

Instance Method Details

#get(str, allow_reuse, register_gc) ⇒ Object

returns the var name for sym



40
41
42
43
44
45
46
47
48
49
50
51
52
 
# File 'lib/ruby2cext/tools.rb', line 40

def get(str, allow_reuse, register_gc)
  if allow_reuse && (name = @reusable[str])
    return name
  end
  name = "global[#{@cnt}]"
  @cnt += 1
  @src << "#{name} = #{str};"
  @src << "rb_global_variable(&(#{name}));" if register_gc
  if allow_reuse
    @reusable[str] = name
  end
  name
end

#to_c_code(init_fun_name = "init_globals") ⇒ Object 



54
55
56
57
58
59
60
61
 
# File 'lib/ruby2cext/tools.rb', line 54

def to_c_code(init_fun_name = "init_globals")
  res = []
  res << "static VALUE global[#{@cnt}];" if @cnt > 0
  res << "static void #{init_fun_name}() {"
  res.concat(@src)
  res << "}"
  res.join("\n")
end