GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
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##
#W errors.g The SCSCP package Alexander Konovalov
#W Steve Linton
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if CompareVersionNumbers( GAPInfo.Version, "4.5.0") then
MakeReadWriteGlobal( "ErrorInner" );
UnbindGlobal( "ErrorInner" );
BindGlobal( "ErrorInner", function( arg )
if not IsLVarsBag(arg[1].context) then
PrintTo("*errout*", "ErrorInner: option context must be a local variables bag\n");
LEAVE_ALL_NAMESPACES();
JUMP_TO_CATCH(1);
fi;
if IsBound(arg[1].justQuit) then
if not arg[1].justQuit in [false, true] then
PrintTo("*errout*", "ErrorInner: option justQuit must be true or false\n");
LEAVE_ALL_NAMESPACES();
JUMP_TO_CATCH(1);
fi;
fi;
if IsBound(arg[1].mayReturnVoid) then
if not arg[1].mayReturnVoid in [false, true] then
PrintTo("*errout*", "ErrorInner: option mayReturnVoid must be true or false\n");
LEAVE_ALL_NAMESPACES();
JUMP_TO_CATCH(1);
fi;
fi;
if IsBound(arg[1].mayReturnObj) then
if not arg[1].mayReturnObj in [false, true] then
PrintTo("*errout*", "ErrorInner: option mayReturnObj must be true or false\n");
LEAVE_ALL_NAMESPACES();
JUMP_TO_CATCH(1);
fi;
fi;
if IsBound(arg[1].printThisStatement) then
if not arg[1].printThisStatement in [false, true] then
PrintTo("*errout*", "ErrorInner: option printThisStatement must be true or false\n");
LEAVE_ALL_NAMESPACES();
JUMP_TO_CATCH(1);
fi;
fi;
if IsBound(arg[1].lateMessage) then
if not arg[1].lateMessage in [false, true] and not IsString(arg[1].lateMessage) then
PrintTo("*errout*", "ErrorInner: option lateMessage must be a string or false\n");
LEAVE_ALL_NAMESPACES();
JUMP_TO_CATCH(1);
fi;
fi;
if Length(arg) <> 2 then
PrintTo("*errout*","ErrorInner: new format takes exactly two arguments\n");
LEAVE_ALL_NAMESPACES();
JUMP_TO_CATCH(1);
fi;
JUMP_TO_CATCH( arg[2] ); # arg[2] = earlyMessage in the library version of ErrorInner
end );
fi;
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#E
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