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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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8
compiler/semdata.nim
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@ -381,8 +381,7 @@ proc makeNotType*(c: PContext, t1: PType): PType =
result.flags.incl tfHasMeta
proc nMinusOne(c: PContext; n: PNode): PNode =
result = newNode(nkCall, n.info, @[
newSymNode(getSysMagic(c.graph, n.info, "pred", mPred)), n])
result = newTreeI(nkCall, n.info, newSymNode(getSysMagic(c.graph, n.info, "pred", mPred)), n)
# Remember to fix the procs below this one when you make changes!
proc makeRangeWithStaticExpr*(c: PContext, n: PNode): PType =
@ -391,9 +390,8 @@ proc makeRangeWithStaticExpr*(c: PContext, n: PNode): PType =
result.sons = @[intType]
if n.typ != nil and n.typ.n == nil:
result.flags.incl tfUnresolved
result.n = newNode(nkRange, n.info, @[
newIntTypeNode(0, intType),
makeStaticExpr(c, nMinusOne(c, n))])
result.n = newTreeI(nkRange, n.info, newIntTypeNode(0, intType),
makeStaticExpr(c, nMinusOne(c, n)))
template rangeHasUnresolvedStatic*(t: PType): bool =
tfUnresolved in t.flags