wroclaw-git-backups/nix
1
0
Fork 0
mirror of https://github.com/NixOS/nix synced 2025-06-26 15:51:15 +02:00
Code Activity

print LOC for stdin, string args

Browse source
This commit is contained in:
Ben Burdette 2020-05-20 22:18:26 -06:00
parent 85ce455b85
commit 6a420d672c
6 changed files with 97 additions and 36 deletions
Download patch file Download diff file Expand all files Collapse all files

86
src/libutil/error.cc
View file

@ -59,22 +59,51 @@ void getCodeLines(NixCode &nixCode)
return;
// check this magic value!
if (nixCode.errPos.file == "(string)")
return;
try {
AutoCloseFD fd = open(nixCode.errPos.file.c_str(), O_RDONLY | O_CLOEXEC);
if (!fd)
throw SysError("opening file '%1%'", nixCode.errPos.file);
if (nixCode.errPos.origin == foFile) {
try {
AutoCloseFD fd = open(nixCode.errPos.file.c_str(), O_RDONLY | O_CLOEXEC);
if (!fd)
throw SysError("opening file '%1%'", nixCode.errPos.file);
// count the newlines.
int count = 0;
string line;
int pl = nixCode.errPos.line - 1;
do
{
line = readLine(fd.get());
++count;
if (count < pl)
{
;
}
else if (count == pl) {
nixCode.prevLineOfCode = line;
} else if (count == pl + 1) {
nixCode.errLineOfCode = line;
} else if (count == pl + 2) {
nixCode.nextLineOfCode = line;
break;
}
} while (true);
}
catch (EndOfFile &eof) {
;
}
catch (std::exception &e) {
printError("error reading nix file: %s\n%s", nixCode.errPos.file, e.what());
}
} else {
std::istringstream iss(nixCode.errPos.file);
// count the newlines.
int count = 0;
string line;
int pl = nixCode.errPos.line - 1;
do
{
line = readLine(fd.get());
std::getline(iss, line);
// std::cout << "getline result: " << std::getline(iss, line) << std::endl;
++count;
if (count < pl)
{
@ -88,14 +117,11 @@ void getCodeLines(NixCode &nixCode)
nixCode.nextLineOfCode = line;
break;
}
if (!iss.good())
break;
} while (true);
}
catch (EndOfFile &eof) {
;
}
catch (std::exception &e) {
printError("error reading nix file: %s\n%s", nixCode.errPos.file, e.what());
}
}
@ -225,15 +251,27 @@ std::ostream& operator<<(std::ostream &out, const ErrorInfo &einfo)
// filename, line, column.
if (einfo.nixCode.has_value()) {
if (einfo.nixCode->errPos.file != "") {
out << fmt("%1%in file: " ANSI_BLUE "%2% %3%" ANSI_NORMAL,
prefix,
einfo.nixCode->errPos.file,
showErrPos(einfo.nixCode->errPos)) << std::endl;
out << prefix << std::endl;
} else {
out << fmt("%1%from command line argument", prefix) << std::endl;
out << prefix << std::endl;
switch (einfo.nixCode->errPos.origin) {
case foFile: {
out << fmt("%1%in file: " ANSI_BLUE "%2% %3%" ANSI_NORMAL,
prefix,
einfo.nixCode->errPos.file,
showErrPos(einfo.nixCode->errPos)) << std::endl;
out << prefix << std::endl;
break;
}
case foString: {
out << fmt("%1%from command line argument", prefix) << std::endl;
out << prefix << std::endl;
break;
}
case foStdin: {
out << fmt("%1%from stdin", prefix) << std::endl;
out << prefix << std::endl;
break;
}
default:
throw Error("invalid FileOrigin in errPos");
}
}