MADARA  3.1.8
madara::expression::SystemCallNode Class Referenceabstract

Interface for a MADARA system call. More...

#include <SystemCallNode.h>

Inheritance diagram for madara::expression::SystemCallNode:
Collaboration diagram for madara::expression::SystemCallNode:

Public Member Functions

 SystemCallNode (madara::knowledge::ThreadSafeContext &context)
 Constructor. More...
 
 SystemCallNode (madara::knowledge::ThreadSafeContext &context, const ComponentNodes &nodes)
 Constructor. More...
 
virtual ~SystemCallNode (void)
 Destructor. More...
 
virtual void accept (Visitor &visitor) const
 Accepts a visitor subclassed from the Visitor class. More...
 
virtual madara::knowledge::KnowledgeRecord evaluate (const madara::knowledge::KnowledgeUpdateSettings &settings)=0
 Evaluates the expression tree. More...
 
virtual madara::knowledge::KnowledgeRecord item (void) const
 Returns the value of the node. More...
 
virtual ComponentNodeleft (void) const
 Returns the left expression. More...
 
virtual madara::knowledge::KnowledgeRecord prune (bool &can_change)=0
 Prunes the expression tree of unnecessary nodes. More...
 
virtual ComponentNoderight (void) const
 Returns the right expression. More...
 
void set_logger (logger::Logger &logger)
 Sets the logger for printing errors and debugging info. More...
 

Protected Attributes

madara::knowledge::ThreadSafeContextcontext_
 
logger::Loggerlogger_
 handle the context More...
 
ComponentNodes nodes_
 

Detailed Description

Interface for a MADARA system call.

Definition at line 25 of file SystemCallNode.h.

Constructor & Destructor Documentation

madara::expression::SystemCallNode::SystemCallNode ( madara::knowledge::ThreadSafeContext context)

Constructor.

Definition at line 8 of file SystemCallNode.cpp.

madara::expression::SystemCallNode::SystemCallNode ( madara::knowledge::ThreadSafeContext context,
const ComponentNodes nodes 
)

Constructor.

Definition at line 17 of file SystemCallNode.cpp.

madara::expression::SystemCallNode::~SystemCallNode ( void  )
virtual

Destructor.

Definition at line 27 of file SystemCallNode.cpp.

Member Function Documentation

void madara::expression::SystemCallNode::accept ( Visitor visitor) const
virtual

Accepts a visitor subclassed from the Visitor class.

Parameters
visitorvisitor instance to use

Reimplemented from madara::expression::CompositeTernaryNode.

Reimplemented in madara::expression::SystemCallEval, madara::expression::SystemCallPrint, madara::expression::SystemCallClearVariable, madara::expression::SystemCallDeleteVariable, madara::expression::SystemCallPrintSystemCalls, madara::expression::SystemCallExpandEnv, madara::expression::SystemCallExpandStatement, madara::expression::SystemCallSetPrecision, madara::expression::SystemCallToHostDirs, madara::expression::SystemCallCos, madara::expression::SystemCallFragment, madara::expression::SystemCallGetClock, madara::expression::SystemCallGetTime, madara::expression::SystemCallGetTimeSeconds, madara::expression::SystemCallLogLevel, madara::expression::SystemCallPow, madara::expression::SystemCallRandDouble, madara::expression::SystemCallRandInt, madara::expression::SystemCallReadFile, madara::expression::SystemCallSetClock, madara::expression::SystemCallSetFixed, madara::expression::SystemCallSetScientific, madara::expression::SystemCallSin, madara::expression::SystemCallSize, madara::expression::SystemCallSleep, madara::expression::SystemCallSqrt, madara::expression::SystemCallTan, madara::expression::SystemCallToBuffer, madara::expression::SystemCallToDouble, madara::expression::SystemCallToDoubles, madara::expression::SystemCallToInteger, madara::expression::SystemCallToIntegers, madara::expression::SystemCallToString, madara::expression::SystemCallType, and madara::expression::SystemCallWriteFile.

Definition at line 39 of file SystemCallNode.cpp.

virtual madara::knowledge::KnowledgeRecord madara::expression::SystemCallNode::evaluate ( const madara::knowledge::KnowledgeUpdateSettings settings)
pure virtual

Evaluates the expression tree.

Returns
value of current contained expression tree

Implements madara::expression::CompositeTernaryNode.

Implemented in madara::expression::SystemCallEval, madara::expression::SystemCallPrint, madara::expression::SystemCallClearVariable, madara::expression::SystemCallDeleteVariable, madara::expression::SystemCallPrintSystemCalls, madara::expression::SystemCallExpandEnv, madara::expression::SystemCallExpandStatement, madara::expression::SystemCallSetPrecision, madara::expression::SystemCallToHostDirs, madara::expression::SystemCallCos, madara::expression::SystemCallFragment, madara::expression::SystemCallGetClock, madara::expression::SystemCallGetTime, madara::expression::SystemCallGetTimeSeconds, madara::expression::SystemCallLogLevel, madara::expression::SystemCallPow, madara::expression::SystemCallRandDouble, madara::expression::SystemCallRandInt, madara::expression::SystemCallReadFile, madara::expression::SystemCallSetClock, madara::expression::SystemCallSetFixed, madara::expression::SystemCallSetScientific, madara::expression::SystemCallSin, madara::expression::SystemCallSize, madara::expression::SystemCallSleep, madara::expression::SystemCallSqrt, madara::expression::SystemCallTan, madara::expression::SystemCallToBuffer, madara::expression::SystemCallToDouble, madara::expression::SystemCallToDoubles, madara::expression::SystemCallToInteger, madara::expression::SystemCallToIntegers, madara::expression::SystemCallToString, madara::expression::SystemCallType, and madara::expression::SystemCallWriteFile.

madara::knowledge::KnowledgeRecord madara::expression::SystemCallNode::item ( void  ) const
virtual

Returns the value of the node.

Returns
value of the node

Reimplemented from madara::expression::CompositeTernaryNode.

Reimplemented in madara::expression::SystemCallEval, madara::expression::SystemCallPrint, madara::expression::SystemCallClearVariable, madara::expression::SystemCallDeleteVariable, madara::expression::SystemCallPrintSystemCalls, madara::expression::SystemCallExpandEnv, madara::expression::SystemCallExpandStatement, madara::expression::SystemCallSetPrecision, madara::expression::SystemCallToHostDirs, madara::expression::SystemCallCos, madara::expression::SystemCallFragment, madara::expression::SystemCallGetClock, madara::expression::SystemCallGetTime, madara::expression::SystemCallGetTimeSeconds, madara::expression::SystemCallLogLevel, madara::expression::SystemCallPow, madara::expression::SystemCallRandDouble, madara::expression::SystemCallRandInt, madara::expression::SystemCallReadFile, madara::expression::SystemCallSetClock, madara::expression::SystemCallSetFixed, madara::expression::SystemCallSetScientific, madara::expression::SystemCallSin, madara::expression::SystemCallSize, madara::expression::SystemCallSleep, madara::expression::SystemCallSqrt, madara::expression::SystemCallTan, madara::expression::SystemCallToBuffer, madara::expression::SystemCallToDouble, madara::expression::SystemCallToDoubles, madara::expression::SystemCallToInteger, madara::expression::SystemCallToIntegers, madara::expression::SystemCallToString, madara::expression::SystemCallType, and madara::expression::SystemCallWriteFile.

Definition at line 32 of file SystemCallNode.cpp.

madara::expression::ComponentNode * madara::expression::ComponentNode::left ( void  ) const
virtualinherited

Returns the left expression.

Returns
a pointer to the left expression

Reimplemented in madara::expression::CompositeBinaryNode.

Definition at line 34 of file ComponentNode.cpp.

virtual madara::knowledge::KnowledgeRecord madara::expression::SystemCallNode::prune ( bool &  can_change)
pure virtual

Prunes the expression tree of unnecessary nodes.

Parameters
can_changeset to true if variable nodes are contained
Returns
value of current contained expression tree

Implements madara::expression::CompositeTernaryNode.

Implemented in madara::expression::SystemCallEval, madara::expression::SystemCallPrint, madara::expression::SystemCallClearVariable, madara::expression::SystemCallDeleteVariable, madara::expression::SystemCallPrintSystemCalls, madara::expression::SystemCallExpandEnv, madara::expression::SystemCallExpandStatement, madara::expression::SystemCallSetPrecision, madara::expression::SystemCallToHostDirs, madara::expression::SystemCallCos, madara::expression::SystemCallFragment, madara::expression::SystemCallGetClock, madara::expression::SystemCallGetTime, madara::expression::SystemCallGetTimeSeconds, madara::expression::SystemCallLogLevel, madara::expression::SystemCallPow, madara::expression::SystemCallRandDouble, madara::expression::SystemCallRandInt, madara::expression::SystemCallReadFile, madara::expression::SystemCallSetClock, madara::expression::SystemCallSetFixed, madara::expression::SystemCallSetScientific, madara::expression::SystemCallSin, madara::expression::SystemCallSize, madara::expression::SystemCallSleep, madara::expression::SystemCallSqrt, madara::expression::SystemCallTan, madara::expression::SystemCallToBuffer, madara::expression::SystemCallToDouble, madara::expression::SystemCallToDoubles, madara::expression::SystemCallToInteger, madara::expression::SystemCallToIntegers, madara::expression::SystemCallToString, madara::expression::SystemCallType, and madara::expression::SystemCallWriteFile.

madara::expression::ComponentNode * madara::expression::ComponentNode::right ( void  ) const
virtualinherited

Returns the right expression.

Returns
a pointer to the right expression

Reimplemented in madara::expression::CompositeUnaryNode.

Definition at line 41 of file ComponentNode.cpp.

void madara::expression::ComponentNode::set_logger ( logger::Logger logger)
inherited

Sets the logger for printing errors and debugging info.

Parameters
loggerthe logger to use

Definition at line 53 of file ComponentNode.cpp.

Member Data Documentation

madara::knowledge::ThreadSafeContext& madara::expression::SystemCallNode::context_
protected

Definition at line 76 of file SystemCallNode.h.

logger::Logger* madara::expression::ComponentNode::logger_
protectedinherited

handle the context

Definition at line 96 of file ComponentNode.h.

ComponentNodes madara::expression::CompositeTernaryNode::nodes_
protectedinherited

Definition at line 76 of file CompositeTernaryNode.h.


The documentation for this class was generated from the following files: