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ringabout
2026-05-14 19:21:06 +08:00
parent 8c5be7b013
commit 4d77a1d9fc
1 changed files with 11 additions and 6 deletions
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17
compiler/spawn.nim
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@@ -10,7 +10,7 @@
## This module implements threadpool's ``spawn``.
import ast, types, idents, magicsys, msgs, options, modulegraphs,
lowerings, liftdestructors, renderer
lowerings, liftdestructors, renderer, trees
from trees import getMagic, getRoot
proc callProc(a: PNode): PNode =
@@ -53,15 +53,20 @@ proc typeNeedsNoDeepCopy(t: PType): bool =
if t.kind in {tyVar, tyLent, tySequence}: t = t.elementType
result = not containsGarbageCollectedRef(t)
proc newSpawnMoveStmt(g: ModuleGraph; le, ri: PNode): PNode =
proc newSpawnMoveStmt(g: ModuleGraph; idgen: IdGenerator; le, ri: PNode): PNode =
let op = getAttachedOp(g, ri.typ.skipTypes({tyGenericInst, tyAlias, tyVar, tySink}), attachedWasMoved)
if op != nil and sfOverridden in op.flags:
result = newNodeI(nkStmtList, le.info)
result.add newFastAsgnStmt(le, ri)
let wasMovedCall = newNodeI(nkCall, ri.info)
wasMovedCall.add newSymNode(getSysMagic(g, ri.info, "wasMoved", mWasMoved))
wasMovedCall.add copyTree(ri)
wasMovedCall.add newSymNode(op)
if op.typ != nil and op.typ.signatureLen > 1 and op.typ.firstParamType.kind != tyVar:
wasMovedCall.add ri.skipAddr
else:
wasMovedCall.add makeAddr(ri.skipAddr, idgen)
result.add wasMovedCall
else:
result = newFastMoveStmt(g, le, ri)
@@ -81,10 +86,10 @@ proc addLocalVar(g: ModuleGraph; varSection, varInit: PNode; idgen: IdGenerator;
if varInit != nil:
if g.config.selectedGC in {gcArc, gcOrc, gcAtomicArc, gcYrc}:
# inject destructors pass will do its own analysis
varInit.add newSpawnMoveStmt(g, newSymNode(result), v)
varInit.add newSpawnMoveStmt(g, idgen, newSymNode(result), v)
else:
if useShallowCopy and typeNeedsNoDeepCopy(typ) or optTinyRtti in g.config.globalOptions:
varInit.add newSpawnMoveStmt(g, newSymNode(result), v)
varInit.add newSpawnMoveStmt(g, idgen, newSymNode(result), v)
else:
let deepCopyCall = newNodeI(nkCall, varInit.info, 3)
deepCopyCall[0] = newSymNode(getSysMagic(g, varSection.info, "deepCopy", mDeepCopy))