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-rw-r--r--src/libutil/error.hh27
1 files changed, 22 insertions, 5 deletions
diff --git a/src/libutil/error.hh b/src/libutil/error.hh
index 234cbe1f6..00dbd7ae2 100644
--- a/src/libutil/error.hh
+++ b/src/libutil/error.hh
@@ -84,9 +84,14 @@ inline bool operator>=(const Trace& lhs, const Trace& rhs);
struct ErrorInfo {
Verbosity level;
hintformat msg;
- std::shared_ptr<Pos> errPos;
+ std::shared_ptr<Pos> pos;
std::list<Trace> traces;
+ /**
+ * Exit status.
+ */
+ unsigned int status = 1;
+
Suggestions suggestions;
static std::optional<std::string> programName;
@@ -103,18 +108,21 @@ class BaseError : public std::exception
protected:
mutable ErrorInfo err;
+ /**
+ * Cached formatted contents of `err.msg`.
+ */
mutable std::optional<std::string> what_;
+ /**
+ * Format `err.msg` and set `what_` to the resulting value.
+ */
const std::string & calcWhat() const;
public:
- unsigned int status = 1; // exit status
-
BaseError(const BaseError &) = default;
template<typename... Args>
BaseError(unsigned int status, const Args & ... args)
- : err { .level = lvlError, .msg = hintfmt(args...) }
- , status(status)
+ : err { .level = lvlError, .msg = hintfmt(args...), .status = status }
{ }
template<typename... Args>
@@ -149,6 +157,15 @@ public:
const std::string & msg() const { return calcWhat(); }
const ErrorInfo & info() const { calcWhat(); return err; }
+ void withExitStatus(unsigned int status)
+ {
+ err.status = status;
+ }
+
+ void atPos(std::shared_ptr<Pos> pos) {
+ err.pos = pos;
+ }
+
void pushTrace(Trace trace)
{
err.traces.push_front(trace);