diff options
Diffstat (limited to 'src/libexpr/eval.cc')
| -rw-r--r-- | src/libexpr/eval.cc | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/libexpr/eval.cc b/src/libexpr/eval.cc index 56581cc19..d9bdb0d2c 100644 --- a/src/libexpr/eval.cc +++ b/src/libexpr/eval.cc @@ -1807,6 +1807,15 @@ void EvalState::callFunction(Value & fun, size_t nrArgs, Value * * args, Value & try { fn->fun(*this, vCur.determinePos(noPos), args, vCur); + } catch (ThrownError & e) { + // Distinguish between an error that simply happened while "throw" + // was being evaluated and an explicit thrown error. + if (fn->name == "throw") { + addErrorTrace(e, pos, "caused by explicit %s", "throw"); + } else { + addErrorTrace(e, pos, "while calling the '%s' builtin", fn->name); + } + throw; } catch (Error & e) { addErrorTrace(e, pos, "while calling the '%1%' builtin", fn->name); throw; |