jyapayne/Nim
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

iterable[T] (#17196)

Browse source 
* fix failing test toSeq in manual which now works
* changelog
* reject proc fn(a: iterable)
* add iterable to spec
* remove MCS/UFCS limitation that now works
This commit is contained in:
Timothee Cour 2021-04-11 07:25:41 -05:00 • committed by GitHub
commit ceadf54d76
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
18 changed files with 254 additions and 40 deletions
Download patch file Download diff file Expand all files Collapse all files

13
compiler/semtypes.nim
View file

@ -356,6 +356,15 @@ proc semArray(c: PContext, n: PNode, prev: PType): PType =
localError(c.config, n.info, errArrayExpectsTwoTypeParams)
result = newOrPrevType(tyError, prev, c)
proc semIterableType(c: PContext, n: PNode, prev: PType): PType =
result = newOrPrevType(tyIterable, prev, c)
if n.len == 2:
let base = semTypeNode(c, n[1], nil)
addSonSkipIntLit(result, base, c.idgen)
else:
localError(c.config, n.info, errXExpectsOneTypeParam % "iterable")
result = newOrPrevType(tyError, prev, c)
proc semOrdinal(c: PContext, n: PNode, prev: PType): PType =
result = newOrPrevType(tyOrdinal, prev, c)
if n.len == 2:
@ -1844,6 +1853,7 @@ proc semTypeNode(c: PContext, n: PNode, prev: PType): PType =
of mRange: result = semRange(c, n, prev)
of mSet: result = semSet(c, n, prev)
of mOrdinal: result = semOrdinal(c, n, prev)
of mIterableType: result = semIterableType(c, n, prev)
of mSeq:
result = semContainer(c, n, tySequence, "seq", prev)
if optSeqDestructors in c.config.globalOptions:
@ -2067,6 +2077,9 @@ proc processMagicType(c: PContext, m: PSym) =
of mOrdinal:
setMagicIntegral(c.config, m, tyOrdinal, szUncomputedSize)
rawAddSon(m.typ, newTypeS(tyNone, c))
of mIterableType:
setMagicIntegral(c.config, m, tyIterable, 0)
rawAddSon(m.typ, newTypeS(tyNone, c))
of mPNimrodNode:
incl m.typ.flags, tfTriggersCompileTime
incl m.typ.flags, tfCheckedForDestructor