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

fixes #15884 (#18230)

Browse source 
* fixes #15884

* micro optimization
This commit is contained in:
Andreas Rumpf 2021-06-10 18:19:20 +02:00 • committed by GitHub
commit f65f760dee
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
5 changed files with 18 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

6
compiler/varpartitions.nim
View file

@ -519,13 +519,17 @@ const
proc isConstSym(s: PSym): bool =
result = s.kind in {skConst, skLet} or isConstParam(s)
proc toString(n: PNode): string =
if n.kind == nkEmpty: result = "<empty>"
else: result = $n
proc borrowFrom(c: var Partitions; dest: PSym; src: PNode) =
const
url = "see https://nim-lang.github.io/Nim/manual_experimental.html#view-types-algorithm-path-expressions for details"
let s = pathExpr(src, c.owner)
if s == nil:
localError(c.g.config, src.info, "cannot borrow from " & $src & ", it is not a path expression; " & url)
localError(c.g.config, src.info, "cannot borrow from " & src.toString & ", it is not a path expression; " & url)
elif s.kind == nkSym:
if dest.kind == skResult:
if s.sym.kind != skParam or s.sym.position != 0: