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Expand hoisted default params in sem (#15270)

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* Expand hoisted default params in sem
Introduce ast.newTree{I,IT}
Add test for default params in procs

* Cleanup

* Simplify hoist transformation and expand test
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Clyybber 2020-09-05 22:01:47 +02:00 • committed by GitHub
commit 35ff17410f
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12 changed files with 178 additions and 123 deletions
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compiler/parser.nim
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@ -1444,7 +1444,7 @@ proc parseExprStmt(p: var Parser): PNode =
result.add(commandParam(p, isFirstParam, pmNormal))
if p.tok.tokType != tkComma: break
elif p.tok.indent < 0 and isExprStart(p):
result = newNode(nkCommand, a.info, @[a])
result = newTreeI(nkCommand, a.info, a)
while true:
result.add(commandParam(p, isFirstParam, pmNormal))
if p.tok.tokType != tkComma: break