madara::expression::SystemCallNode Class Reference

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 ComponentNode *	left (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 ComponentNode *	right (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::ThreadSafeContext &	context_
logger::Logger *	logger_
	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

visitor

visitor 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_change

set 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

logger

the 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.

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

• include/madara/expression/SystemCallNode.h
• include/madara/expression/SystemCallNode.cpp