2 #ifndef _MADARA_NO_KARL_ 44 bool arg_can_change =
false;
45 result =
nodes_[0]->prune (arg_can_change);
47 if (!arg_can_change && dynamic_cast <LeafNode *> (
nodes_[0]) == 0)
57 "madara::expression::SystemCallLogLevel: " 59 "System call log_level requires 0 or 1 arguments," 60 " e.g., log_level (10) or log_level ()--which returns the log level\n");
62 throw KarlException (
"madara::expression::SystemCallLogLevel: " 63 "KARL COMPILE ERROR: " 64 "System call log_level requires 0 or 1 arguments," 65 " e.g., log_level (10) or log_level ()--which returns the log level\n");
82 "madara::expression::SystemCallLogLevel: " 83 "System call log_level is setting log level\n");
90 "madara::expression::SystemCallLogLevel: " 91 "System call log_level has set log level to %d\n",
96 else if (
nodes_.size () == 0)
99 "madara::expression::SystemCallLogLevel: " 100 "System call log_level is returning log level.\n");
104 else if (
nodes_.size () > 1)
107 "madara::expression::SystemCallLogLevel: " 108 "KARL RUNTIME ERROR:" 109 "System call log_level requires 0 or 1 arguments," 110 " e.g., log_level (10) or log_level ()--which returns the log level\n");
112 throw KarlException (
"madara::expression::SystemCallLogLevel: " 113 "KARL RUNTIME ERROR: " 114 "System call log_level requires 0 or 1 arguments," 115 " e.g., log_level (10) or log_level ()--which returns the log level\n");
126 visitor.
visit (*
this);
129 #endif // _MADARA_NO_KARL_ This class encapsulates an entry in a KnowledgeBase.
SystemCallLogLevel(madara::knowledge::ThreadSafeContext &context, const ComponentNodes &nodes)
Constructor.
virtual void accept(Visitor &visitor) const
Accepts a visitor subclassed from the Visitor class.
virtual madara::knowledge::KnowledgeRecord item(void) const
Returns the value of the node.
madara::knowledge::KnowledgeRecord KnowledgeRecord
std::deque< ComponentNode * > ComponentNodes
a vector of Component Nodes
virtual madara::knowledge::KnowledgeRecord evaluate(const madara::knowledge::KnowledgeUpdateSettings &settings)
Evaluates the expression tree.
logger::Logger * logger_
handle the context
void set_level(int level)
Sets the maximum logging detail level.
This class stores variables and their values for use by any entity needing state information in a thr...
virtual ~SystemCallLogLevel(void)
Destructor.
Defines a node that contains a madara::knowledge::KnowledgeRecord::Integer value. ...
int get_level(void)
Gets the maximum logging detail level.
#define madara_logger_ptr_log(logger, level,...)
Fast version of the madara::logger::log method for Logger pointers.
Abstract base class for all visitors to all classes that derive from ComponentNode.
Integer to_integer(void) const
converts the value to an integer.
An exception for unrecoverable KaRL compilation issues.
Interface for a MADARA system call.
Settings for applying knowledge updates.
virtual void visit(const LeafNode &node)=0
Visit a LeafNode.
virtual madara::knowledge::KnowledgeRecord prune(bool &can_change)
Prunes the expression tree of unnecessary nodes.