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bugfix evals.nim

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This commit is contained in:
Araq 2013-04-07 14:12:08 +02:00
commit f9d4e39a12
2 changed files with 7 additions and 4 deletions
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6
lib/core/macros.nim
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@ -333,9 +333,11 @@ proc nestList*(theProc: TNimrodIdent,
## ``[a, b, c]`` is transformed into ``theProc(a, theProc(c, d))``.
var L = x.len
result = newCall(theProc, x[L-2], x[L-1])
var a = result
for i in countdown(L-3, 0):
a = newCall(theProc, x[i], copyNimTree(a))
# XXX the 'copyNimTree' here is necessary due to a bug in the evaluation
# engine that would otherwise create an endless loop here. :-(
# This could easily user code and so should be fixed in evals.nim somehow.
result = newCall(theProc, x[i], copyNimTree(result))
proc treeRepr*(n: PNimrodNode): string {.compileTime.} =
## Convert the AST `n` to a human-readable tree-like string.