diff options
| -rw-r--r-- | pkgs/lib/debug.nix | 24 | ||||
| -rw-r--r-- | pkgs/lib/misc.nix | 24 |
2 files changed, 23 insertions, 25 deletions
diff --git a/pkgs/lib/debug.nix b/pkgs/lib/debug.nix index f1f366d065b..55d6a0d1b65 100644 --- a/pkgs/lib/debug.nix +++ b/pkgs/lib/debug.nix @@ -14,5 +14,27 @@ rec { addErrorContextToAttrs = lib.mapAttrs (a : v : lib.addErrorContext "while evaluating ${a}" v); + debugVal = if builtins ? trace then x: (builtins.trace x x) else x: x; + debugXMLVal = if builtins ? trace then x: (builtins.trace (builtins.toXML x) x) else x: x; -} \ No newline at end of file + # this can help debug your code as well - designed to not produce thousands of lines + traceWhatis = x : __trace (whatis x) x; + traceMarked = str: x: __trace (str + (whatis x)) x; + attrNamesToStr = a : lib.concatStringsSep "; " (map (x : "${x}=") (__attrNames a)); + whatis = x : + if (__isAttrs x) then + if (x ? outPath) then "x is a derivation, name ${if x ? name then x.name else "<no name>"}, { ${attrNamesToStr x} }" + else "x is attr set { ${attrNamesToStr x} }" + else if (__isFunction x) then "x is a function" + else if (x == []) then "x is an empty list" + else if (__isList x) then "x is a list, first item is : ${whatis (__head x)}" + else if (x == true) then "x is boolean true" + else if (x == false) then "x is boolean false" + else if (x == null) then "x is null" + else "x is probably a string starting, starting characters: ${__substring 0 50 x}.."; + # trace the arguments passed to function and its result + traceCall = n : f : a : let t = n2 : x : traceMarked "${n} ${n2}:" x; in t "result" (f (t "arg 1" a)); + traceCall2 = n : f : a : b : let t = n2 : x : traceMarked "${n} ${n2}:" x; in t "result" (f (t "arg 1" a) (t "arg 2" b)); + traceCall3 = n : f : a : b : c : let t = n2 : x : traceMarked "${n} ${n2}:" x; in t "result" (f (t "arg 1" a) (t "arg 2" b) (t "arg 3" c)); + +} diff --git a/pkgs/lib/misc.nix b/pkgs/lib/misc.nix index 541edb1ed88..aa0f29e3651 100644 --- a/pkgs/lib/misc.nix +++ b/pkgs/lib/misc.nix @@ -223,30 +223,6 @@ rec { innerModifySumArgs f x (a // b); modifySumArgs = f: x: innerModifySumArgs f x {}; - debugVal = if builtins ? trace then x: (builtins.trace x x) else x: x; - debugXMLVal = if builtins ? trace then x: (builtins.trace (builtins.toXML x) x) else x: x; - - # this can help debug your code as well - designed to not produce thousands of lines - traceWhatis = x : __trace (whatis x) x; - traceMarked = str: x: __trace (str + (whatis x)) x; - attrNamesToStr = a : concatStringsSep "; " (map (x : "${x}=") (__attrNames a)); - whatis = x : - if (__isAttrs x) then - if (x ? outPath) then "x is a derivation, name ${if x ? name then x.name else "<no name>"}, { ${attrNamesToStr x} }" - else "x is attr set { ${attrNamesToStr x} }" - else if (__isFunction x) then "x is a function" - else if (x == []) then "x is an empty list" - else if (__isList x) then "x is a list, first item is : ${whatis (__head x)}" - else if (x == true) then "x is boolean true" - else if (x == false) then "x is boolean false" - else if (x == null) then "x is null" - else "x is probably a string starting, starting characters: ${__substring 0 50 x}.."; - # trace the arguments passed to function and its result - traceCall = n : f : a : let t = n2 : x : traceMarked "${n} ${n2}:" x; in t "result" (f (t "arg 1" a)); - traceCall2 = n : f : a : b : let t = n2 : x : traceMarked "${n} ${n2}:" x; in t "result" (f (t "arg 1" a) (t "arg 2" b)); - traceCall3 = n : f : a : b : c : let t = n2 : x : traceMarked "${n} ${n2}:" x; in t "result" (f (t "arg 1" a) (t "arg 2" b) (t "arg 3" c)); - - innerClosePropagation = ready: list: if list == [] then ready else if (head list) ? propagatedBuildInputs then |