max/nix-super
1
0
Fork 0
mirror of https://github.com/privatevoid-net/nix-super.git synced 2024-11-22 05:56:15 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

traces: Add _NIX_DEVELOPER_SHOW_UNKNOWN_LOCATIONS

Browse source
This commit is contained in:
Robert Hensing 2023-09-03 14:08:03 +02:00
parent f1aeeea32b
commit 477bc617bb
1 changed files with 11 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
src/libutil/error.cc
View file

@ -155,6 +155,15 @@ static std::string indent(std::string_view indentFirst, std::string_view indentR
return res;
}
/**
* A development aid for finding missing positions, to improve error messages. Example use:
*
* NIX_DEVELOPER_SHOW_UNKNOWN_LOCATIONS=1 _NIX_TEST_ACCEPT=1 make tests/lang.sh.test
* git diff -U20 tests
*
*/
static bool printUnknownLocations = getEnv("_NIX_DEVELOPER_SHOW_UNKNOWN_LOCATIONS").has_value();
/**
* Print a position, if it is known.
*
@ -170,6 +179,8 @@ static bool printPosMaybe(std::ostream & oss, std::string_view indent, const std
printCodeLines(oss, "", *pos, *loc);
oss << "\n";
}
} else if (printUnknownLocations) {
oss << "\n" << indent << ANSI_BLUE << "at " ANSI_RED << "UNKNOWN LOCATION" << ANSI_NORMAL << "\n";
}
return hasPos;
}