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Moved negative indexing operator here

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Only used here (not in standard library)
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apense 2015-06-09 16:24:13 -04:00
commit 867b38496b
1 changed files with 3 additions and 0 deletions
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compiler/ast.nim
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@ -948,6 +948,9 @@ proc add*(father, son: PNode) =
proc `[]`*(n: PNode, i: int): PNode {.inline.} = proc `[]`*(n: PNode, i: int): PNode {.inline.} =
result = n.sons[i] result = n.sons[i]
template `-|`*(b, s: expr): expr =
(if b >= 0: b else: s.len + b)
# son access operators with support for negative indices # son access operators with support for negative indices
template `{}`*(n: PNode, i: int): expr = n[i -| n] template `{}`*(n: PNode, i: int): expr = n[i -| n]
template `{}=`*(n: PNode, i: int, s: PNode): stmt = template `{}=`*(n: PNode, i: int, s: PNode): stmt =