Remove some blank lines from stack traces

This keeps hint messages, source location information, and source code
snippets grouped together, while making stack traces shorter (so that
more stack frames can be viewed on the same terminal).

Before:

    error:
           … while evaluating the attribute 'body'

             at /Users/wiggles/nix/tests/functional/lang/eval-fail-assert.nix:4:3:

                3|
                4|   body = x "x";
                 |   ^
                5| }

           … from call site

             at /Users/wiggles/nix/tests/functional/lang/eval-fail-assert.nix:4:10:

                3|
                4|   body = x "x";
                 |          ^
                5| }

           … while calling 'x'

             at /Users/wiggles/nix/tests/functional/lang/eval-fail-assert.nix:2:7:

                1| let {
                2|   x = arg: assert arg == "y"; 123;
                 |       ^
                3|

           error: assertion '(arg == "y")' failed

           at /Users/wiggles/nix/tests/functional/lang/eval-fail-assert.nix:2:12:

                1| let {
                2|   x = arg: assert arg == "y"; 123;
                 |            ^
                3|

After:

    error:
           … while evaluating the attribute 'body'
             at /Users/wiggles/nix/tests/functional/lang/eval-fail-assert.nix:4:3:
                3|
                4|   body = x "x";
                 |   ^
                5| }

           … from call site
             at /Users/wiggles/nix/tests/functional/lang/eval-fail-assert.nix:4:10:
                3|
                4|   body = x "x";
                 |          ^
                5| }

           … while calling 'x'
             at /Users/wiggles/nix/tests/functional/lang/eval-fail-assert.nix:2:7:
                1| let {
                2|   x = arg: assert arg == "y"; 123;
                 |       ^
                3|

           error: assertion '(arg == "y")' failed
           at /Users/wiggles/nix/tests/functional/lang/eval-fail-assert.nix:2:12:
                1| let {
                2|   x = arg: assert arg == "y"; 123;
                 |            ^
                3|
This commit is contained in:
Rebecca Turner 2023-12-15 23:56:17 -08:00
parent 419a64f9e0
commit 5cb98095ba
Signed by: rbt
SSH key fingerprint: SHA256:HU9KTlGeHEBIp12MT4UHG0uc//NRNoJMWfzVGX3igu4
45 changed files with 1 additions and 140 deletions

View file

@ -173,10 +173,9 @@ static bool printUnknownLocations = getEnv("_NIX_EVAL_SHOW_UNKNOWN_LOCATIONS").h
static bool printPosMaybe(std::ostream & oss, std::string_view indent, const std::shared_ptr<AbstractPos> & pos) {
bool hasPos = pos && *pos;
if (hasPos) {
oss << "\n" << indent << ANSI_BLUE << "at " ANSI_WARNING << *pos << ANSI_NORMAL << ":";
oss << indent << ANSI_BLUE << "at " ANSI_WARNING << *pos << ANSI_NORMAL << ":";
if (auto loc = pos->getCodeLines()) {
oss << "\n";
printCodeLines(oss, "", *pos, *loc);
oss << "\n";
}

View file

@ -1,8 +1,6 @@
error:
… while calling the 'abort' builtin
at /pwd/lang/eval-fail-abort.nix:1:14:
1| if true then abort "this should fail" else 1
| ^
2|

View file

@ -1,8 +1,6 @@
error:
… while calling the 'addDrvOutputDependencies' builtin
at /pwd/lang/eval-fail-addDrvOutputDependencies-empty-context.nix:1:1:
1| builtins.addDrvOutputDependencies ""
| ^
2|

View file

@ -1,8 +1,6 @@
error:
… while calling the 'addDrvOutputDependencies' builtin
at /pwd/lang/eval-fail-addDrvOutputDependencies-multi-elem-context.nix:18:4:
17|
18| in builtins.addDrvOutputDependencies combo-path
| ^

View file

@ -1,8 +1,6 @@
error:
… while calling the 'addDrvOutputDependencies' builtin
at /pwd/lang/eval-fail-addDrvOutputDependencies-wrong-element-kind.nix:9:4:
8|
9| in builtins.addDrvOutputDependencies drv.outPath
| ^

View file

@ -1,35 +1,27 @@
error:
… while evaluating the attribute 'body'
at /pwd/lang/eval-fail-assert.nix:4:3:
3|
4| body = x "x";
| ^
5| }
… from call site
at /pwd/lang/eval-fail-assert.nix:4:10:
3|
4| body = x "x";
| ^
5| }
… while calling 'x'
at /pwd/lang/eval-fail-assert.nix:2:7:
1| let {
2| x = arg: assert arg == "y"; 123;
| ^
3|
error: assertion '(arg == "y")' failed
at /pwd/lang/eval-fail-assert.nix:2:12:
1| let {
2| x = arg: assert arg == "y"; 123;
| ^

View file

@ -1,17 +1,13 @@
error:
… while evaluating the attribute 'puppy."${key}"'
at /pwd/lang/eval-fail-attr-name-type.nix:3:5:
2| attrs = {
3| puppy.doggy = {};
| ^
4| };
… while evaluating an attribute name
at /pwd/lang/eval-fail-attr-name-type.nix:7:17:
6| in
7| attrs.puppy.${key}
| ^

View file

@ -1,8 +1,6 @@
error:
… while evaluating a path segment
at /pwd/lang/eval-fail-bad-string-interpolation-1.nix:1:2:
1| "${x: x}"
| ^
2|

View file

@ -1,8 +1,6 @@
error:
… while evaluating a path segment
at /pwd/lang/eval-fail-bad-string-interpolation-3.nix:1:3:
1| ''${x: x}''
| ^
2|

View file

@ -1,8 +1,6 @@
error:
… while evaluating a path segment
at /pwd/lang/eval-fail-bad-string-interpolation-4.nix:9:3:
8| # The error message should not be too long.
9| ''${pkgs}''
| ^

View file

@ -1,17 +1,13 @@
error:
… while evaluating the attribute 'body'
at /pwd/lang/eval-fail-blackhole.nix:2:3:
1| let {
2| body = x;
| ^
3| x = y;
error: infinite recursion encountered
at /pwd/lang/eval-fail-blackhole.nix:3:7:
2| body = x;
3| x = y;
| ^

View file

@ -1,8 +1,6 @@
error:
… while calling the 'length' builtin
at /pwd/lang/eval-fail-call-primop.nix:1:1:
1| builtins.length 1
| ^
2|

View file

@ -1,24 +1,18 @@
error:
… while calling the 'deepSeq' builtin
at /pwd/lang/eval-fail-deepseq.nix:1:1:
1| builtins.deepSeq { x = abort "foo"; } 456
| ^
2|
… while evaluating the attribute 'x'
at /pwd/lang/eval-fail-deepseq.nix:1:20:
1| builtins.deepSeq { x = abort "foo"; } 456
| ^
2|
… while calling the 'abort' builtin
at /pwd/lang/eval-fail-deepseq.nix:1:24:
1| builtins.deepSeq { x = abort "foo"; } 456
| ^
2|

View file

@ -1,17 +1,13 @@
error:
… while evaluating the attribute 'set'
at /pwd/lang/eval-fail-dup-dynamic-attrs.nix:2:3:
1| {
2| set = { "${"" + "b"}" = 1; };
| ^
3| set = { "${"b" + ""}" = 2; };
error: dynamic attribute 'b' already defined at /pwd/lang/eval-fail-dup-dynamic-attrs.nix:2:11
at /pwd/lang/eval-fail-dup-dynamic-attrs.nix:3:11:
2| set = { "${"" + "b"}" = 1; };
3| set = { "${"b" + ""}" = 2; };
| ^

View file

@ -1,35 +1,27 @@
error:
… while calling the 'foldl'' builtin
at /pwd/lang/eval-fail-foldlStrict-strict-op-application.nix:2:1:
1| # Tests that the result of applying op is forced even if the value is never used
2| builtins.foldl'
| ^
3| (_: f: f null)
… while calling anonymous lambda
at /pwd/lang/eval-fail-foldlStrict-strict-op-application.nix:3:7:
2| builtins.foldl'
3| (_: f: f null)
| ^
4| null
… from call site
at /pwd/lang/eval-fail-foldlStrict-strict-op-application.nix:3:10:
2| builtins.foldl'
3| (_: f: f null)
| ^
4| null
… while calling anonymous lambda
at /pwd/lang/eval-fail-foldlStrict-strict-op-application.nix:5:6:
4| null
5| [ (_: throw "Not the final value, but is still forced!") (_: 23) ]
| ^

View file

@ -1,8 +1,6 @@
error:
… while calling the 'fromTOML' builtin
at /pwd/lang/eval-fail-fromTOML-timestamps.nix:1:1:
1| builtins.fromTOML ''
| ^
2| key = "value"

View file

@ -1,8 +1,6 @@
error:
… while calling the 'toString' builtin
at /pwd/lang/eval-fail-hashfile-missing.nix:4:3:
3| in
4| toString (builtins.concatLists (map (hash: map (builtins.hashFile hash) paths) ["md5" "sha1" "sha256" "sha512"]))
| ^

View file

@ -1,8 +1,6 @@
error:
… while evaluating one of the elements to concatenate
at /pwd/lang/eval-fail-list.nix:1:2:
1| 8++1
| ^
2|

View file

@ -1,16 +1,12 @@
error:
… from call site
at /pwd/lang/eval-fail-missing-arg.nix:1:1:
1| ({x, y, z}: x + y + z) {x = "foo"; z = "bar";}
| ^
2|
error: function 'anonymous lambda' called without required argument 'y'
at /pwd/lang/eval-fail-missing-arg.nix:1:2:
1| ({x, y, z}: x + y + z) {x = "foo"; z = "bar";}
| ^
2|

View file

@ -1,16 +1,12 @@
error:
… in the argument of the not operator
at /pwd/lang/eval-fail-not-throws.nix:1:4:
1| ! (throw "uh oh!")
| ^
2|
… while calling the 'throw' builtin
at /pwd/lang/eval-fail-not-throws.nix:1:4:
1| ! (throw "uh oh!")
| ^
2|

View file

@ -1,7 +1,5 @@
error: path has a trailing slash
at /pwd/lang/eval-fail-path-slash.nix:6:12:
5| # and https://nixos.org/nix-dev/2016-June/020829.html
6| /nix/store/
| ^

View file

@ -1,16 +1,12 @@
error:
… in the right operand of the update (//) operator
at /pwd/lang/eval-fail-recursion.nix:1:12:
1| let a = {} // a; in a.foo
| ^
2|
error: infinite recursion encountered
at /pwd/lang/eval-fail-recursion.nix:1:15:
1| let a = {} // a; in a.foo
| ^
2|

View file

@ -1,17 +1,13 @@
error:
… while evaluating the attribute 'body'
at /pwd/lang/eval-fail-remove.nix:4:3:
3|
4| body = (removeAttrs attrs ["x"]).x;
| ^
5| }
error: attribute 'x' missing
at /pwd/lang/eval-fail-remove.nix:4:10:
3|
4| body = (removeAttrs attrs ["x"]).x;
| ^

View file

@ -1,35 +1,27 @@
error:
… while evaluating the attribute 'body'
at /pwd/lang/eval-fail-scope-5.nix:8:3:
7|
8| body = f {};
| ^
9|
… from call site
at /pwd/lang/eval-fail-scope-5.nix:8:10:
7|
8| body = f {};
| ^
9|
… while calling 'f'
at /pwd/lang/eval-fail-scope-5.nix:6:7:
5|
6| f = {x ? y, y ? x}: x + y;
| ^
7|
error: infinite recursion encountered
at /pwd/lang/eval-fail-scope-5.nix:6:12:
5|
6| f = {x ? y, y ? x}: x + y;
| ^

View file

@ -1,16 +1,12 @@
error:
… while calling the 'seq' builtin
at /pwd/lang/eval-fail-seq.nix:1:1:
1| builtins.seq (abort "foo") 2
| ^
2|
… while calling the 'abort' builtin
at /pwd/lang/eval-fail-seq.nix:1:15:
1| builtins.seq (abort "foo") 2
| ^
2|

View file

@ -1,7 +1,5 @@
error: undefined variable 'x'
at /pwd/lang/eval-fail-set.nix:1:3:
1| 8.x
| ^
2|

View file

@ -1,8 +1,6 @@
error:
… while calling the 'substring' builtin
at /pwd/lang/eval-fail-substring.nix:1:1:
1| builtins.substring (builtins.sub 0 1) 1 "x"
| ^
2|

View file

@ -1,8 +1,6 @@
error:
… while calling the 'toPath' builtin
at /pwd/lang/eval-fail-to-path.nix:1:1:
1| builtins.toPath "foo/bar"
| ^
2|

View file

@ -1,25 +1,19 @@
error:
… while calling the 'toJSON' builtin
at /pwd/lang/eval-fail-toJSON.nix:1:1:
1| builtins.toJSON {
| ^
2| a.b = [
… while evaluating attribute 'a'
at /pwd/lang/eval-fail-toJSON.nix:2:3:
1| builtins.toJSON {
2| a.b = [
| ^
3| true
… while evaluating attribute 'b'
at /pwd/lang/eval-fail-toJSON.nix:2:3:
1| builtins.toJSON {
2| a.b = [
| ^
@ -28,27 +22,21 @@ error:
… while evaluating list element at index 3
… while evaluating attribute 'c'
at /pwd/lang/eval-fail-toJSON.nix:7:7:
6| {
7| c.d = throw "hah no";
| ^
8| }
… while evaluating attribute 'd'
at /pwd/lang/eval-fail-toJSON.nix:7:7:
6| {
7| c.d = throw "hah no";
| ^
8| }
… while calling the 'throw' builtin
at /pwd/lang/eval-fail-toJSON.nix:7:13:
6| {
7| c.d = throw "hah no";
| ^

View file

@ -1,16 +1,12 @@
error:
… from call site
at /pwd/lang/eval-fail-undeclared-arg.nix:1:1:
1| ({x, z}: x + z) {x = "foo"; y = "bla"; z = "bar";}
| ^
2|
error: function 'anonymous lambda' called with unexpected argument 'y'
at /pwd/lang/eval-fail-undeclared-arg.nix:1:2:
1| ({x, z}: x + z) {x = "foo"; y = "bla"; z = "bar";}
| ^
2|

View file

@ -1,8 +1,6 @@
error:
… while evaluating an attribute name
at /pwd/lang/eval-fail-using-set-as-attr-name.nix:5:10:
4| in
5| attr.${key}
| ^

View file

@ -1,7 +1,5 @@
error: attribute 'x' already defined at «stdin»:1:3
at «stdin»:3:3:
2| y = 456;
3| x = 789;
| ^

View file

@ -1,7 +1,5 @@
error: attribute 'x' already defined at «stdin»:9:5
at «stdin»:10:17:
9| x = 789;
10| inherit (as) x;
| ^

View file

@ -1,7 +1,5 @@
error: attribute 'x' already defined at «stdin»:9:5
at «stdin»:10:17:
9| x = 789;
10| inherit (as) x;
| ^

View file

@ -1,7 +1,5 @@
error: attribute 'services.ssh.port' already defined at «stdin»:2:3
at «stdin»:3:3:
2| services.ssh.port = 22;
3| services.ssh.port = 23;
| ^

View file

@ -1,7 +1,5 @@
error: attribute 'x' already defined at «stdin»:6:12
at «stdin»:7:12:
6| inherit x;
7| inherit x;
| ^

View file

@ -1,6 +1,4 @@
error: duplicate formal function argument 'x'
at «stdin»:1:8:
1| {x, y, x}: x
| ^

View file

@ -1,7 +1,5 @@
error: syntax error, unexpected end of file, expecting '"'
at «stdin»:3:5:
2| # Note that this file must not end with a newline.
3| a 1"$
| ^

View file

@ -1,7 +1,5 @@
error: attribute 'z' already defined at «stdin»:3:16
at «stdin»:2:3:
1| {
2| x.z = 3;
| ^

View file

@ -1,7 +1,5 @@
error: attribute 'y' already defined at «stdin»:3:9
at «stdin»:2:3:
1| {
2| x.y.y = 3;
| ^

View file

@ -1,7 +1,5 @@
error: duplicate formal function argument 'args'
at «stdin»:1:1:
1| args@{args, x, y, z}: x
| ^
2|

View file

@ -1,7 +1,5 @@
error: undefined variable 'gcc'
at «stdin»:8:12:
7|
8| body = ({
| ^

View file

@ -1,7 +1,5 @@
error: syntax error, unexpected ':', expecting '}'
at «stdin»:3:13:
2|
3| f = {x, y :
| ^

View file

@ -1,7 +1,5 @@
error: undefined variable 'y'
at «stdin»:1:4:
1| x: y
| ^
2|

View file

@ -1,6 +1,4 @@
error: syntax error, unexpected invalid token, expecting end of file
at «stdin»:1:5:
1| 123 Ã
| ^