mirrors/Nim
1
0
Fork 0
mirror of https://github.com/nim-lang/Nim.git synced 2026-08-14 02:54:59 +00:00
Code Issues Packages Projects Releases Wiki Activity

progress

Browse Source
This commit is contained in:
ringabout
2026-08-12 22:20:26 +08:00
parent 897435f0d0
commit 7bc6e416af
1 changed files with 4 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
compiler/injectdestructors.nim
View File

@@ -529,14 +529,16 @@ proc containsConstSeq(n: PNode): bool =
proc ensureDestruction(arg, orig: PNode; c: var Con; s: var Scope;
consume = false): PNode =
# Give destructible expressions a scoped owner. If the expression is
# consumed, move it out and clear the temporary before its finalizer runs.
# it can happen that we need to destroy expression contructors
# like [], (), closures explicitly in order to not leak them.
if arg.typ != nil and hasDestructor(c, arg.typ):
# produce temp creation for (fn, env). But we need to move 'env'?
# This was already done in the sink parameter handling logic.
result = newNodeIT(nkStmtListExpr, arg.info, arg.typ)
let tmp = c.getTemp(s, arg.typ, arg.info, true)
result.add c.genSink(s, tmp, arg, {IsDecl})
# In consumed mode, the destination takes ownership of the data.
# Clear the temporary after moving from it to prevent double destruction.
result.add if consume: destructiveMoveVar(tmp, c, s) else: tmp
s.final.add c.genDestroy(tmp)
else: