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moved debugging functions into lib module "debug"

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svn path=/nixpkgs/trunk/; revision=14430
This commit is contained in:
Marc Weber 2009-03-06 23:21:35 +00:00
parent 49b115132d
commit 08e1c08bc7
2 changed files with 23 additions and 25 deletions
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22
pkgs/lib/debug.nix
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@ -14,5 +14,27 @@ rec {
addErrorContextToAttrs = lib.mapAttrs (a : v : lib.addErrorContext "while evaluating ${a}" v);
debugVal = if builtins ? trace then x: (builtins.trace x x) else x: x;
debugXMLVal = if builtins ? trace then x: (builtins.trace (builtins.toXML x) x) else x: x;
# this can help debug your code as well - designed to not produce thousands of lines
traceWhatis = x : __trace (whatis x) x;
traceMarked = str: x: __trace (str + (whatis x)) x;
attrNamesToStr = a : lib.concatStringsSep "; " (map (x : "${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));
}

24
pkgs/lib/misc.nix
View File

@ -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