mirrors/Nim
1
0
Fork 0
mirror of https://github.com/nim-lang/Nim.git synced 2025-12-29 17:34:43 +00:00
Code Issues Packages Projects Releases Wiki Activity

improve the error messages for std/tasks [backport: 1.6] (#19695)

Browse Source 
(cherry picked from commit c8aeea9d62)
This commit is contained in:
flywind
2022-04-08 02:56:34 +08:00
committed by narimiran
parent bb937f2357
commit b96954ef52
1 changed files with 6 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
lib/std/tasks.nim
View File

@@ -111,10 +111,10 @@ macro toTask*(e: typed{nkCall | nkInfix | nkPrefix | nkPostfix | nkCommand | nkC
when compileOption("threads"):
if not isGcSafe(e[0]):
error("'toTask' takes a GC safe call expression")
error("'toTask' takes a GC safe call expression", e)
if hasClosure(e[0]):
error("closure call is not allowed")
error("closure call is not allowed", e)
if e.len > 1:
let scratchIdent = genSym(kind = nskTemp, ident = "scratch")
@@ -141,17 +141,17 @@ macro toTask*(e: typed{nkCall | nkInfix | nkPrefix | nkPostfix | nkCommand | nkC
param = param[0]
if param.typeKind in {ntyExpr, ntyStmt}:
error("'toTask'ed function cannot have a 'typed' or 'untyped' parameter")
error("'toTask'ed function cannot have a 'typed' or 'untyped' parameter", e)
case param.kind
of nnkVarTy:
error("'toTask'ed function cannot have a 'var' parameter")
error("'toTask'ed function cannot have a 'var' parameter", e)
of nnkBracketExpr:
if param[0].typeKind == ntyTypeDesc:
callNode.add nnkExprEqExpr.newTree(formalParams[i][0], e[i])
elif param[0].typeKind in {ntyVarargs, ntyOpenArray}:
if param[1].typeKind in {ntyExpr, ntyStmt}:
error("'toTask'ed function cannot have a 'typed' or 'untyped' parameter")
error("'toTask'ed function cannot have a 'typed' or 'untyped' parameter", e)
let
seqType = nnkBracketExpr.newTree(newIdentNode("seq"), param[1])
seqCallNode = newcall("@", e[i])
@@ -167,7 +167,7 @@ macro toTask*(e: typed{nkCall | nkInfix | nkPrefix | nkPostfix | nkCommand | nkC
of nnkCharLit..nnkNilLit:
callNode.add nnkExprEqExpr.newTree(formalParams[i][0], e[i])
else:
error("not supported type kinds")
error("'toTask'ed function cannot have a parameter of " & $param.kind & " kind", e)
let scratchObjType = genSym(kind = nskType, ident = "ScratchObj")
let scratchObj = nnkTypeSection.newTree(