diff options
Diffstat (limited to 'src/libutil/error.cc')
| -rw-r--r-- | src/libutil/error.cc | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/src/libutil/error.cc b/src/libutil/error.cc index dd9678ee7..02bc5caa5 100644 --- a/src/libutil/error.cc +++ b/src/libutil/error.cc @@ -9,15 +9,14 @@ namespace nix { const std::string nativeSystem = SYSTEM; -BaseError & BaseError::addTrace(std::optional<ErrPos> e, hintformat hint) +void BaseError::addTrace(std::optional<ErrPos> e, hintformat hint) { err.traces.push_front(Trace { .pos = e, .hint = hint }); - return *this; } // c++ std::exception descendants must have a 'const char* what()' function. // This stringifies the error and caches it for use by what(), or similarly by msg(). -const string & BaseError::calcWhat() const +const std::string & BaseError::calcWhat() const { if (what_.has_value()) return *what_; @@ -32,14 +31,14 @@ const string & BaseError::calcWhat() const } } -std::optional<string> ErrorInfo::programName = std::nullopt; +std::optional<std::string> ErrorInfo::programName = std::nullopt; std::ostream & operator<<(std::ostream & os, const hintformat & hf) { return os << hf.str(); } -string showErrPos(const ErrPos & errPos) +std::string showErrPos(const ErrPos & errPos) { if (errPos.line > 0) { if (errPos.column > 0) { @@ -68,7 +67,7 @@ std::optional<LinesOfCode> getCodeLines(const ErrPos & errPos) // count the newlines. int count = 0; - string line; + std::string line; int pl = errPos.line - 1; do { @@ -100,7 +99,7 @@ std::optional<LinesOfCode> getCodeLines(const ErrPos & errPos) std::istringstream iss(errPos.file); // count the newlines. int count = 0; - string line; + std::string line; int pl = errPos.line - 1; LinesOfCode loc; @@ -132,7 +131,7 @@ std::optional<LinesOfCode> getCodeLines(const ErrPos & errPos) // print lines of code to the ostream, indicating the error column. void printCodeLines(std::ostream & out, - const string & prefix, + const std::string & prefix, const ErrPos & errPos, const LinesOfCode & loc) { @@ -282,6 +281,13 @@ std::ostream & showErrorInfo(std::ostream & out, const ErrorInfo & einfo, bool s } } + auto suggestions = einfo.suggestions.trim(); + if (! suggestions.suggestions.empty()){ + oss << "Did you mean " << + suggestions.trim() << + "?" << std::endl; + } + // traces if (showTrace && !einfo.traces.empty()) { for (auto iter = einfo.traces.rbegin(); iter != einfo.traces.rend(); ++iter) { |