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Refactor to use more traces and less string manipulations

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This commit is contained in:
Guillaume Maudoux 2022-03-18 00:58:09 +01:00
parent 13c4dc6532
commit e6d07e0d89
8 changed files with 475 additions and 442 deletions
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23
src/libutil/error.cc
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@ -185,15 +185,15 @@ void printAtPos(const ErrPos & pos, std::ostream & out)
if (pos) {
switch (pos.origin) {
case foFile: {
out << fmt(ANSI_BLUE "at " ANSI_WARNING "%s:%s" ANSI_NORMAL ":", pos.file, showErrPos(pos));
out << fmt(ANSI_BLUE " at " ANSI_WARNING "%s:%s" ANSI_NORMAL ":", pos.file, showErrPos(pos));
break;
}
case foString: {
out << fmt(ANSI_BLUE "at " ANSI_WARNING "«string»:%s" ANSI_NORMAL ":", showErrPos(pos));
out << fmt(ANSI_BLUE " at " ANSI_WARNING "«string»:%s" ANSI_NORMAL ":", showErrPos(pos));
break;
}
case foStdin: {
out << fmt(ANSI_BLUE "at " ANSI_WARNING "«stdin»:%s" ANSI_NORMAL ":", showErrPos(pos));
out << fmt(ANSI_BLUE " at " ANSI_WARNING "«stdin»:%s" ANSI_NORMAL ":", showErrPos(pos));
break;
}
default:
@ -269,7 +269,6 @@ std::ostream & showErrorInfo(std::ostream & out, const ErrorInfo & einfo, bool s
oss << einfo.msg << "\n";
if (einfo.errPos.has_value() && *einfo.errPos) {
oss << "\n";
printAtPos(*einfo.errPos, oss);
auto loc = getCodeLines(*einfo.errPos);
@ -278,26 +277,34 @@ std::ostream & showErrorInfo(std::ostream & out, const ErrorInfo & einfo, bool s
if (loc.has_value()) {
oss << "\n";
printCodeLines(oss, "", *einfo.errPos, *loc);
oss << "\n";
}
oss << "\n";
}
// traces
if (showTrace && !einfo.traces.empty()) {
if (!einfo.traces.empty()) {
unsigned int count = 0;
for (auto iter = einfo.traces.rbegin(); iter != einfo.traces.rend(); ++iter) {
if (!showTrace && count > 3) {
oss << "\n" << "(truncated)" << "\n";
break;
}
if (iter->hint.str().empty()) continue;
count++;
oss << "\n" << "… " << iter->hint.str() << "\n";
if (iter->pos.has_value() && (*iter->pos)) {
count++;
auto pos = iter->pos.value();
oss << "\n";
printAtPos(pos, oss);
auto loc = getCodeLines(pos);
if (loc.has_value()) {
oss << "\n";
printCodeLines(oss, "", pos, *loc);
oss << "\n";
}
oss << "\n";
}
}
}