Quelle backtrace.g.out Sprache: unbekannt

gap> #############################################################################
gap> ##
gap> ##  This file tests Where and WhereWithVars, and in particular how backtraces
gap> ##  are reported for different kinds of statements; there used to be various
gap> ##  bugs related to that in the past.
gap> ##
gap> f := function()
>   local l;
>   l := 0 * [1..6];
>   l[[1..3]] := 1;
> end;
function(  ) ... end
gap> f();
Error, no method found! For debugging hints type ?Recovery from NoMethodFound
Error, no 1st choice method found for `[]:=' on 3 arguments at GAPROOT/lib/methsel2.g:LINE called from
l[[ 1 .. 3 ]] := 1; at *stdin*:11 called from
<function "f">( <arguments> )
called from read-eval loop at *stdin*:13
type 'quit;' to quit to outer loop
brk> Where();
l[[ 1 .. 3 ]] := 1; at *stdin*:11 called from
<function "f">( <arguments> )
called from read-eval loop at *errin*:1
brk> WhereWithVars();
l[[ 1 .. 3 ]] := 1; at *stdin*:11
  arguments: <none>
  local variables:
    l := [ 0, 0, 0, 0, 0, 0 ]
called from
<function "f">( <arguments> )
called from read-eval loop at *errin*:2
brk> quit;
gap>
gap> #############################################################################
gap> f:=function() if true = 1/0 then return 1; fi; return 2; end;;
gap> f();
Error, Rational operations: <divisor> must not be zero in
  1 / 0 at *stdin*:15 called from
<function "f">( <arguments> )
called from read-eval loop at *stdin*:16
type 'quit;' to quit to outer loop
brk> Where();
<function "f">( <arguments> )
called from read-eval loop at *errin*:1
brk> WhereWithVars();
<function "f">( <arguments> )
called from read-eval loop at *errin*:2
brk> quit;
gap>
gap> #############################################################################
gap> f:=function() local x; if x then return 1; fi; return 2; end;;
gap> f();
Error, Variable: 'x' must have an assigned value in
  if x then
    return 1;
fi; at *stdin*:18 called from
<function "f">( <arguments> )
called from read-eval loop at *stdin*:19
type 'quit;' to quit to outer loop
brk> Where();
<function "f">( <arguments> )
called from read-eval loop at *errin*:1
brk> WhereWithVars();
<function "f">( <arguments> )
called from read-eval loop at *errin*:2
brk> quit;
gap>
gap> #############################################################################
gap> f:=function() if 1 then return 1; fi; return 2; end;;
gap> f();
Error, <expr> must be 'true' or 'false' (not the integer 1) in
  if 1 then
    return 1;
fi; at *stdin*:21 called from
<function "f">( <arguments> )
called from read-eval loop at *stdin*:22
type 'quit;' to quit to outer loop
brk> Where();
<function "f">( <arguments> )
called from read-eval loop at *errin*:1
brk> WhereWithVars();
<function "f">( <arguments> )
called from read-eval loop at *errin*:2
brk> quit;
gap>
gap> #############################################################################
gap> f:=function() if 1 < 0 then return 1; elif 1 then return 2; fi; return 3; end;;
gap> f();
Error, <expr> must be 'true' or 'false' (not the integer 1) in
  if 1 < 0 then
    return 1;
elif 1 then
    return 2;
fi; at *stdin*:24 called from
<function "f">( <arguments> )
called from read-eval loop at *stdin*:25
type 'quit;' to quit to outer loop
brk> Where();
<function "f">( <arguments> )
called from read-eval loop at *errin*:1
brk> WhereWithVars();
<function "f">( <arguments> )
called from read-eval loop at *errin*:2
brk> quit;
gap>
gap> #############################################################################
gap> f:=function() while 1 do return 1; od; return 2; end;;
gap> f();
Error, <expr> must be 'true' or 'false' (not the integer 1) in
  while 1 do
    return 1;
od; at *stdin*:27 called from
<function "f">( <arguments> )
called from read-eval loop at *stdin*:28
type 'quit;' to quit to outer loop
brk> Where();
<function "f">( <arguments> )
called from read-eval loop at *errin*:1
brk> WhereWithVars();
<function "f">( <arguments> )
called from read-eval loop at *errin*:2
brk> quit;
gap>
gap> #############################################################################
gap> f:=function() local i; for i in 1 do return 1; od; return 2; end;;
gap> f();
Error, You cannot loop over the integer 1 did you mean the range [1..1] at GAPROOT/lib/integer.gi:LINE called from
for i in 1 do
    return 1;
od; at *stdin*:30 called from
<function "f">( <arguments> )
called from read-eval loop at *stdin*:31
you can 'quit;' to quit to outer loop, or
you can 'return;' to continue
brk> Where();
for i in 1 do
    return 1;
od; at *stdin*:30 called from
<function "f">( <arguments> )
called from read-eval loop at *errin*:1
brk> WhereWithVars();
for i in 1 do
    return 1;
od; at *stdin*:30
  arguments: <none>
  local variables:
    i := <unassigned>
called from
<function "f">( <arguments> )
called from read-eval loop at *errin*:2
brk> quit;
gap>
gap> #############################################################################
gap> f:=function() local i; for i in true do return 1; od; return 2; end;;
gap> f();
Error, no method found! For debugging hints type ?Recovery from NoMethodFound
Error, no 1st choice method found for `Iterator' on 1 arguments at GAPROOT/lib/methsel2.g:LINE called from
for i in true do
    return 1;
od; at *stdin*:33 called from
<function "f">( <arguments> )
called from read-eval loop at *stdin*:34
type 'quit;' to quit to outer loop
brk> Where();
for i in true do
    return 1;
od; at *stdin*:33 called from
<function "f">( <arguments> )
called from read-eval loop at *errin*:1
brk> WhereWithVars();
for i in true do
    return 1;
od; at *stdin*:33
  arguments: <none>
  local variables:
    i := <unassigned>
called from
<function "f">( <arguments> )
called from read-eval loop at *errin*:2
brk> quit;
gap>
gap> f:=function(x) local i,j; for i in true do return 1; od; return 2; end;;
gap> f([1,2,3]);
Error, no method found! For debugging hints type ?Recovery from NoMethodFound
Error, no 1st choice method found for `Iterator' on 1 arguments at GAPROOT/lib/methsel2.g:LINE called from
for i in true do
    return 1;
od; at *stdin*:35 called from
<function "f">( <arguments> )
called from read-eval loop at *stdin*:36
type 'quit;' to quit to outer loop
brk> Where();
for i in true do
    return 1;
od; at *stdin*:35 called from
<function "f">( <arguments> )
called from read-eval loop at *errin*:1
brk> WhereWithVars();
for i in true do
    return 1;
od; at *stdin*:35
  arguments:
    x := [ 1, 2, 3 ]
  local variables:
    i := <unassigned>
    j := <unassigned>
called from
<function "f">( <arguments> )
called from read-eval loop at *errin*:2
brk> quit;
gap>
gap> f:=function(x) local i,j; Unbind(x); for i in true do return 1; od; return 2; end;;
gap> f([1,2,3]);
Error, no method found! For debugging hints type ?Recovery from NoMethodFound
Error, no 1st choice method found for `Iterator' on 1 arguments at GAPROOT/lib/methsel2.g:LINE called from
for i in true do
    return 1;
od; at *stdin*:37 called from
<function "f">( <arguments> )
called from read-eval loop at *stdin*:38
type 'quit;' to quit to outer loop
brk> Where();
for i in true do
    return 1;
od; at *stdin*:37 called from
<function "f">( <arguments> )
called from read-eval loop at *errin*:1
brk> WhereWithVars();
for i in true do
    return 1;
od; at *stdin*:37
  arguments:
    x := <unassigned>
  local variables:
    i := <unassigned>
    j := <unassigned>
called from
<function "f">( <arguments> )
called from read-eval loop at *errin*:2
brk> quit;
gap>
gap> f:=function(x) local i,j; Unbind(x); j := 4; for i in true do return 1; od; return 2; end;;
gap> f([1,2,3]);
Error, no method found! For debugging hints type ?Recovery from NoMethodFound
Error, no 1st choice method found for `Iterator' on 1 arguments at GAPROOT/lib/methsel2.g:LINE called from
for i in true do
    return 1;
od; at *stdin*:39 called from
<function "f">( <arguments> )
called from read-eval loop at *stdin*:40
type 'quit;' to quit to outer loop
brk> Where();
for i in true do
    return 1;
od; at *stdin*:39 called from
<function "f">( <arguments> )
called from read-eval loop at *errin*:1
brk> WhereWithVars();
for i in true do
    return 1;
od; at *stdin*:39
  arguments:
    x := <unassigned>
  local variables:
    i := <unassigned>
    j := 4
called from
<function "f">( <arguments> )
called from read-eval loop at *errin*:2
brk> quit;
gap>
gap> f:=function() local x; repeat x:=1; until 1; return 2; end;;
gap> f();
Error, <expr> must be 'true' or 'false' (not the integer 1) in
  repeat
    x := 1;
until 1; at *stdin*:41 called from
<function "f">( <arguments> )
called from read-eval loop at *stdin*:42
type 'quit;' to quit to outer loop
brk> Where();
<function "f">( <arguments> )
called from read-eval loop at *errin*:1
brk> WhereWithVars();
<function "f">( <arguments> )
called from read-eval loop at *errin*:2
brk> quit;
gap>
gap> #############################################################################
gap> f:=function() local x; Assert(0, 1); return 2; end;;
gap> f();
Error, Assert: <cond> must be 'true' or 'false' (not the integer 1) in
  Assert( 0, 1 ); at *stdin*:44 called from
<function "f">( <arguments> )
called from read-eval loop at *stdin*:45
type 'quit;' to quit to outer loop
brk> Where();
<function "f">( <arguments> )
called from read-eval loop at *errin*:1
brk> WhereWithVars();
<function "f">( <arguments> )
called from read-eval loop at *errin*:2
brk> quit;
gap>
gap> #############################################################################
gap> f:=function() local x; Assert(0, 1, "hello"); return 2; end;;
gap> f();
Error, Assert: <cond> must be 'true' or 'false' (not the integer 1) in
  Assert( 0, 1, "hello" ); at *stdin*:47 called from
<function "f">( <arguments> )
called from read-eval loop at *stdin*:48
type 'quit;' to quit to outer loop
brk> Where();
<function "f">( <arguments> )
called from read-eval loop at *errin*:1
brk> WhereWithVars();
<function "f">( <arguments> )
called from read-eval loop at *errin*:2
brk> quit;
gap>
gap> #############################################################################
gap> ##
gap> ##  Verify issue #2656 is fixed
gap> ##
gap> InstallMethod( \[\,\], [ IsMatrixOrMatrixObj, IsPosInt, IsPosInt ],
>     { m, row, col } -> ELM_LIST( m, row, col ) );
gap> l := [[1]];; f := {} -> l[2,1];;
gap> f();
Error, List Element: <list>[2] must have an assigned value in
  return m[i][j]; at GAPROOT/lib/matrix.gi:LINE called from
ELM_LIST( m, row, col ) at *stdin*:54 called from
return l[2, 1]; at *stdin*:55 called from
<function "f">( <arguments> )
called from read-eval loop at *stdin*:56
type 'quit;' to quit to outer loop
brk> Where();
ELM_LIST( m, row, col ) at *stdin*:54 called from
return l[2, 1]; at *stdin*:55 called from
<function "f">( <arguments> )
called from read-eval loop at *errin*:1
brk> WhereWithVars();
ELM_LIST( m, row, col ) at *stdin*:54
  arguments:
    m := [ [ 1 ] ]
    row := 2
    col := 1
  local variables: <none>
called from
return l[2, 1]; at *stdin*:55
  arguments: <none>
  local variables: <none>
called from
<function "f">( <arguments> )
called from read-eval loop at *errin*:2
brk> quit;
gap>
gap> #############################################################################
gap> ##
gap> ##  Verify issue #1373 is fixed
gap> ##
gap> InstallMethod( Matrix, [IsFilter, IsSemiring, IsMatrixObj], {a,b,c} -> fail );
Error, FLAGS_FILTER: <oper> must be an operation (not a function) in
  <<compiled GAP code>> from GAPROOT/lib/oper1.g:LINE in function INSTALL_METHOD called from
<<compiled GAP code>> from GAPROOT/lib/oper1.g:LINE in function InstallMethod called from
<function "InstallMethod">( <arguments> )
called from read-eval loop at *stdin*:61
type 'quit;' to quit to outer loop
brk> QUIT;

Quelle backtrace.g.out Sprache: unbekannt

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