class CodeTools::AST::NthRef
Constants
- Mode
Attributes
which[RW]
Public Class Methods
new(line, ref)
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# File lib/rubinius/code/ast/variables.rb, line 65 def initialize(line, ref) @line = line @which = ref end
Public Instance Methods
bytecode(g)
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# File lib/rubinius/code/ast/variables.rb, line 72 def bytecode(g) pos(g) # These are for $1, $2, etc. We subtract 1 because # we start numbering the captures from 0. g.last_match Mode, @which - 1 end
defined(g)
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# File lib/rubinius/code/ast/variables.rb, line 80 def defined(g) f = g.new_label done = g.new_label g.last_match Mode, @which - 1 g.goto_if_nil f g.push_literal "global-variable" g.string_dup g.goto done f.set! g.push_tagged_nil 0 done.set! end
to_sexp()
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# File lib/rubinius/code/ast/variables.rb, line 98 def to_sexp [:nth_ref, @which] end