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fixes #8043

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This commit is contained in:
Araq 2018-09-03 16:07:35 +02:00
commit 0694c9080f
3 changed files with 34 additions and 4 deletions
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11
compiler/semcall.nim
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@ -189,15 +189,18 @@ proc presentFailedCandidates(c: PContext, n: PNode, errors: CandidateErrors):
if err.firstMismatch != 0 and n.len > 1:
let cond = n.len > 2
if cond:
candidates.add(" first type mismatch at position: " & $err.firstMismatch &
"\n required type: ")
candidates.add(" first type mismatch at position: " & $abs(err.firstMismatch))
if err.firstMismatch >= 0: candidates.add("\n required type: ")
else: candidates.add("\n unknown named parameter: " & $n[-err.firstMismatch][0])
var wanted, got: PType = nil
if err.firstMismatch < err.sym.typ.len:
if err.firstMismatch < 0:
discard
elif err.firstMismatch < err.sym.typ.len:
wanted = err.sym.typ.sons[err.firstMismatch]
if cond: candidates.add typeToString(wanted)
else:
if cond: candidates.add "none"
if err.firstMismatch < n.len:
if err.firstMismatch > 0 and err.firstMismatch < n.len:
if cond:
candidates.add "\n but expression '"
candidates.add renderTree(n[err.firstMismatch])