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| author | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2015-12-17T14·15+0100 |
|---|---|---|
| committer | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2015-12-17T14·15+0100 |
| commit | a9faa7bbce963ddb894699a7cc6ea8a3876e4d9f (patch) | |
| tree | 480b29447fbf6fdfd80b77736f0ab206010ed77b | |
| parent | 338880ee6fc2d8f55dcbe0f0b7313cd69dc866d0 (diff) | |
showId: Handle empty attribute names
We should probably disallow these, but until then, we shouldn't barf with an assertion failure. Fixes #738.
| -rw-r--r-- | src/libexpr/nixexpr.cc | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/libexpr/nixexpr.cc b/src/libexpr/nixexpr.cc index 35db52a13acc..5bc8e4202a49 100644 --- a/src/libexpr/nixexpr.cc +++ b/src/libexpr/nixexpr.cc @@ -30,8 +30,9 @@ static void showString(std::ostream & str, const string & s) static void showId(std::ostream & str, const string & s) { - assert(!s.empty()); - if (s == "if") + if (s.empty()) + str << "\"\""; + else if (s == "if") // FIXME: handle other keywords str << '"' << s << '"'; else { char c = s[0]; |