1. 07 Jan, 2016 1 commit
    • Damien George's avatar
      py/parse: Optimise away parse node that's just parenthesis around expr. · 93b37262
      Damien George authored
      Before this patch, (x+y)*z would be parsed to a tree that contained a
      redundant identity parse node corresponding to the parenthesis.  With
      this patch such nodes are optimised away, which reduces memory
      requirements for expressions with parenthesis, and simplifies the
      compiler because it doesn't need to handle this identity case.
      
      A parenthesis parse node is still needed for tuples.
      93b37262
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