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Merge remote-tracking branch 'upstream/master' into upstream-merge

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This commit is contained in:
Ben Burdette 2022-04-07 13:42:01 -06:00
commit 1a93ac8133
262 changed files with 5827 additions and 2852 deletions
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41
src/libutil/error.hh
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@ -1,5 +1,6 @@
#pragma once
#include "suggestions.hh"
#include "ref.hh"
#include "types.hh"
#include "fmt.hh"
@ -53,6 +54,7 @@ typedef enum {
lvlVomit
} Verbosity;
/* adjust Pos::origin bit width when adding stuff here */
typedef enum {
foFile,
foStdin,
@ -61,16 +63,16 @@ typedef enum {
// the lines of code surrounding an error.
struct LinesOfCode {
std::optional<string> prevLineOfCode;
std::optional<string> errLineOfCode;
std::optional<string> nextLineOfCode;
std::optional<std::string> prevLineOfCode;
std::optional<std::string> errLineOfCode;
std::optional<std::string> nextLineOfCode;
};
// ErrPos indicates the location of an error in a nix file.
struct ErrPos {
int line = 0;
int column = 0;
string file;
std::string file;
FileOrigin origin;
operator bool() const
@ -80,7 +82,7 @@ struct ErrPos {
// convert from the Pos struct, found in libexpr.
template <class P>
ErrPos& operator=(const P &pos)
ErrPos & operator=(const P & pos)
{
origin = pos.origin;
line = pos.line;
@ -94,7 +96,7 @@ struct ErrPos {
}
template <class P>
ErrPos(const P &p)
ErrPos(const P & p)
{
*this = p;
}
@ -102,7 +104,7 @@ struct ErrPos {
std::optional<LinesOfCode> getCodeLines(const ErrPos & errPos);
void printCodeLines(std::ostream & out,
const string & prefix,
const std::string & prefix,
const ErrPos & errPos,
const LinesOfCode & loc);
@ -116,15 +118,17 @@ struct Trace {
struct ErrorInfo {
Verbosity level;
string name; // FIXME: rename
std::string name; // FIXME: rename
hintformat msg;
std::optional<ErrPos> errPos;
std::list<Trace> traces;
static std::optional<string> programName;
Suggestions suggestions;
static std::optional<std::string> programName;
};
std::ostream& showErrorInfo(std::ostream &out, const ErrorInfo &einfo, bool showTrace);
std::ostream & showErrorInfo(std::ostream & out, const ErrorInfo & einfo, bool showTrace);
/* BaseError should generally not be caught, as it has Interrupted as
a subclass. Catch Error instead. */
@ -133,8 +137,8 @@ class BaseError : public std::exception
protected:
mutable ErrorInfo err;
mutable std::optional<string> what_;
const string& calcWhat() const;
mutable std::optional<std::string> what_;
const std::string & calcWhat() const;
public:
unsigned int status = 1; // exit status
@ -150,6 +154,11 @@ public:
: err { .level = lvlError, .msg = hintfmt(fs, args...) }
{ }
template<typename... Args>
BaseError(const Suggestions & sug, const Args & ... args)
: err { .level = lvlError, .msg = hintfmt(args...), .suggestions = sug }
{ }
BaseError(hintformat hint)
: err { .level = lvlError, .msg = hint }
{ }
@ -171,16 +180,16 @@ public:
const char * what() const noexcept override { return calcWhat().c_str(); }
#endif
const string & msg() const { return calcWhat(); }
const std::string & msg() const { return calcWhat(); }
const ErrorInfo & info() const { calcWhat(); return err; }
template<typename... Args>
BaseError & addTrace(std::optional<ErrPos> e, const string &fs, const Args & ... args)
void addTrace(std::optional<ErrPos> e, const std::string & fs, const Args & ... args)
{
return addTrace(e, hintfmt(fs, args...));
addTrace(e, hintfmt(fs, args...));
}
BaseError & addTrace(std::optional<ErrPos> e, hintformat hint);
void addTrace(std::optional<ErrPos> e, hintformat hint);
bool hasTrace() const { return !err.traces.empty(); }
};