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initializer style

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This commit is contained in:
Ben Burdette 2020-04-08 09:07:58 -06:00
parent 00c507cc52
commit 47ed067d45
3 changed files with 91 additions and 160 deletions
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85
src/libutil/error.cc
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@ -8,74 +8,37 @@ namespace nix
std::optional<string> ErrorInfo::programName = std::nullopt;
ErrorInfo ErrorInfo::ProgramError(const string &name,
const string &description,
const std::optional<hintformat> &hf)
string showErrPos(const ErrPos &errPos)
{
return ProgramEI(elError, name, description, hf);
}
ErrorInfo ErrorInfo::ProgramWarning(const string &name,
const string &description,
const std::optional<hintformat> &hf)
{
return ProgramEI(elWarning, name, description, hf);
}
ErrorInfo ErrorInfo::ProgramEI(ErrLevel level,
const string &name,
const string &description,
const std::optional<hintformat> &hf)
{
ErrorInfo ei(elError);
ei.name = name;
ei.description = description;
if (hf.has_value())
ei.hint = std::optional<string>(hf->str());
else
ei.hint = std::nullopt;
return ei;
}
string showErrLine(const ErrLine &errLine)
{
if (errLine.column > 0) {
return (format("(%1%:%2%)") % errLine.lineNumber % errLine.column).str();
if (errPos.column > 0) {
return (format("(%1%:%2%)") % errPos.lineNumber % errPos.column).str();
} else {
return (format("(%1%)") % errLine.lineNumber).str();
return (format("(%1%)") % errPos.lineNumber).str();
};
}
void printCodeLines(const string &prefix, const NixCode &nixCode)
void printCodeLines(const string &prefix, const ErrorInfo &einfo)
{
if (nixCode.errLine.has_value()) {
if (einfo.errPos.has_value()) {
// previous line of code.
if (nixCode.errLine->prevLineOfCode.has_value()) {
if (einfo.prevLineOfCode.has_value()) {
std::cout << format("%1% %|2$5d|| %3%")
% prefix
% (nixCode.errLine->lineNumber - 1)
% *nixCode.errLine->prevLineOfCode
% prefix
% (einfo.errPos->lineNumber - 1)
% *einfo.prevLineOfCode
<< std::endl;
}
// line of code containing the error.%2$+5d%
std::cout << format("%1% %|2$5d|| %3%")
% prefix
% (nixCode.errLine->lineNumber)
% nixCode.errLine->errLineOfCode
% (einfo.errPos->lineNumber)
% einfo.errLineOfCode
<< std::endl;
// error arrows for the column range.
if (nixCode.errLine->column > 0) {
int start = nixCode.errLine->column;
if (einfo.errPos->column > 0) {
int start = einfo.errPos->column;
std::string spaces;
for (int i = 0; i < start; ++i) {
spaces.append(" ");
@ -89,11 +52,11 @@ void printCodeLines(const string &prefix, const NixCode &nixCode)
// next line of code.
if (nixCode.errLine->nextLineOfCode.has_value()) {
if (einfo.nextLineOfCode.has_value()) {
std::cout << format("%1% %|2$5d|| %3%")
% prefix
% (nixCode.errLine->lineNumber + 1)
% *nixCode.errLine->nextLineOfCode
% (einfo.errPos->lineNumber + 1)
% *einfo.nextLineOfCode
<< std::endl;
}
@ -144,14 +107,14 @@ void printErrorInfo(const ErrorInfo &einfo)
<< std::endl;
// filename.
if (einfo.nixCode.has_value()) {
if (einfo.nixCode->nixFile.has_value()) {
string eline = einfo.nixCode->errLine.has_value()
? string(" ") + showErrLine(*einfo.nixCode->errLine)
if (einfo.errPos.has_value()) {
if (einfo.errPos->nixFile != "") {
string eline = einfo.errLineOfCode != ""
? string(" ") + showErrPos(*einfo.errPos)
: "";
std::cout << format("%1%in file: " ANSI_BLUE "%2%%3%" ANSI_NORMAL)
% prefix % *einfo.nixCode->nixFile % eline << std::endl;
% prefix % einfo.errPos->nixFile % eline << std::endl;
std::cout << prefix << std::endl;
} else {
std::cout << format("%1%from command line argument") % prefix << std::endl;
@ -164,8 +127,8 @@ void printErrorInfo(const ErrorInfo &einfo)
std::cout << prefix << std::endl;
// lines of code.
if (einfo.nixCode.has_value()) {
printCodeLines(prefix, *einfo.nixCode);
if (einfo.errLineOfCode != "") {
printCodeLines(prefix, einfo);
std::cout << prefix << std::endl;
}