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Merge remote-tracking branch 'origin/master' into coerce-string

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This commit is contained in:
Eelco Dolstra 2023-01-02 20:53:39 +01:00
commit 6b69652385
233 changed files with 5278 additions and 2874 deletions
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61
src/libutil/error.hh
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@ -54,13 +54,6 @@ typedef enum {
lvlVomit
} Verbosity;
/* adjust Pos::origin bit width when adding stuff here */
typedef enum {
foFile,
foStdin,
foString
} FileOrigin;
// the lines of code surrounding an error.
struct LinesOfCode {
std::optional<std::string> prevLineOfCode;
@ -68,47 +61,30 @@ struct LinesOfCode {
std::optional<std::string> nextLineOfCode;
};
// ErrPos indicates the location of an error in a nix file.
struct ErrPos {
int line = 0;
int column = 0;
std::string file;
FileOrigin origin;
/* An abstract type that represents a location in a source file. */
struct AbstractPos
{
uint32_t line = 0;
uint32_t column = 0;
operator bool() const
{
return line != 0;
}
/* Return the contents of the source file. */
virtual std::optional<std::string> getSource() const
{ return std::nullopt; };
// convert from the Pos struct, found in libexpr.
template <class P>
ErrPos & operator=(const P & pos)
{
origin = pos.origin;
line = pos.line;
column = pos.column;
file = pos.file;
return *this;
}
virtual void print(std::ostream & out) const = 0;
template <class P>
ErrPos(const P & p)
{
*this = p;
}
std::optional<LinesOfCode> getCodeLines() const;
};
std::optional<LinesOfCode> getCodeLines(const ErrPos & errPos);
std::ostream & operator << (std::ostream & str, const AbstractPos & pos);
void printCodeLines(std::ostream & out,
const std::string & prefix,
const ErrPos & errPos,
const AbstractPos & errPos,
const LinesOfCode & loc);
void printAtPos(const ErrPos & pos, std::ostream & out);
struct Trace {
std::optional<ErrPos> pos;
std::shared_ptr<AbstractPos> pos;
hintformat hint;
bool frame;
};
@ -116,7 +92,7 @@ struct Trace {
struct ErrorInfo {
Verbosity level;
hintformat msg;
std::optional<ErrPos> errPos;
std::shared_ptr<AbstractPos> errPos;
std::list<Trace> traces;
Suggestions suggestions;
@ -179,17 +155,18 @@ public:
const std::string & msg() const { return calcWhat(); }
const ErrorInfo & info() const { calcWhat(); return err; }
void pushTrace(Trace trace) {
void pushTrace(Trace trace)
{
err.traces.push_front(trace);
}
template<typename... Args>
void addTrace(std::optional<ErrPos> e, std::string_view fs, const Args & ... args)
void addTrace(std::shared_ptr<AbstractPos> && e, std::string_view fs, const Args & ... args)
{
addTrace(e, hintfmt(std::string(fs), args...));
addTrace(std::move(e), hintfmt(std::string(fs), args...));
}
void addTrace(std::optional<ErrPos> e, hintformat hint, bool frame = false);
void addTrace(std::shared_ptr<AbstractPos> && e, hintformat hint, bool frame = false);
bool hasTrace() const { return !err.traces.empty(); }