Lines Matching refs:xN
240 // - xN.Defn = x1, N > 1
241 // - xN.isClosureVar() = true, N > 1
243 // - xN.Outer = x(N-1), N > 2
251 // In that case, a new xN must be created, linked in with:
253 // xN.Defn = x1
254 // xN.Outer = x1.Innermost
255 // x1.Innermost = xN
258 // and find xN and pop it off the list using:
260 // x1 := xN.Defn
261 // x1.Innermost = xN.Outer
263 // We leave xN.Innermost set so that we can still get to the original
265 // done parsing a function and no longer need xN.Outer for the
267 // recomputes xN.Outer as the semantic x reference link tree,
274 // xN.Defn = original variable
275 // xN.Outer = variable captured in next outward scope
276 // to make closure where xN appears
