Method: CGenerator::Library#literal_symbol

Defined in:
lib/cgen/cgen.rb

#literal_symbol(sym, cfile = nil) ⇒ Object

Like Library#declare_symbol, but converts the ID to a VALUE at library initialization time. Useful for looking up hash values keyed by symbol objects, for example. sym is a string or symbol.



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# File 'lib/cgen/cgen.rb', line 1280

def literal_symbol sym, cfile = nil
  c_name = "SYM_#{CGenerator::make_c_name sym}"
  declare sym => "VALUE #{c_name}"
  (cfile || self).declare_extern sym => "extern VALUE #{c_name}"
  setup sym => "#{c_name} = ID2SYM(rb_intern(\"#{sym}\"))"
  c_name.intern
end