ExpressionScript Class Reference

#include <ExpressionScript.hh>

Inheritance diagram for ExpressionScript:

Collaboration diagram for ExpressionScript:

Public Member Functions
	ExpressionScript (ScriptInterpreter *interpreter, std::string scriptLine)
	ExpressionScript (ScriptInterpreter *interpreter, std::vector< std::string > &script)
virtual	~ExpressionScript ()
bool	resultChanged ()
Public Member Functions inherited from Script
	Script (ScriptInterpreter *interpreter, std::string scriptLine)
	Script (ScriptInterpreter *interpreter, std::vector< std::string > &script)
virtual	~Script ()
virtual DataObject	execute ()
DataObject	lastResult ()
virtual std::vector< std::string >	script () const

Additional Inherited Members
Protected Attributes inherited from Script
ScriptInterpreter *	interpreter_
	Interpreter executing the commands.

Detailed Description

ExpressionScript contains a script which changes can be inspected.

Definition at line 44 of file ExpressionScript.hh.

Constructor & Destructor Documentation

ExpressionScript() [1/2]

ExpressionScript::ExpressionScript	(	ScriptInterpreter *	interpreter,
		std::string	scriptLine
	)

Constructor.

Parameters

interpreter	The interpreter for the script.
scriptLine	A line of script.

Definition at line 45 of file ExpressionScript.cc.

                          : Script(interpreter, scriptLine) {
}

ExpressionScript() [2/2]

ExpressionScript::ExpressionScript	(	ScriptInterpreter *	interpreter,
		std::vector< std::string > &	script
	)

Constructor.

Parameters

interpreter	The interpreter for the script.
script	The script.

Definition at line 56 of file ExpressionScript.cc.

                                  : Script(interpreter, script) {
}

~ExpressionScript()

ExpressionScript::~ExpressionScript ( )

virtual

Destructor.

Definition at line 64 of file ExpressionScript.cc.

                                    {
}

Member Function Documentation

resultChanged()

bool ExpressionScript::resultChanged

(

)

Returns true, if the result of the script has changed.

Returns

True, if the result of the script has changed, otherwise false.

Exceptions

ScriptExecutionFailure	If the execution of the script fails.
NumberFormatException	If DataObject operation fails.

Definition at line 75 of file ExpressionScript.cc.

                                {
    DataObject obj;
    try {
        obj = lastResult();
    } catch (const InvalidData& i) {
        return false;
    }
 
    DataObject exec = execute();
 
    interpreter_->setResult("");
 
    if (obj != exec) {
        return true;
    }
    return false;
}

References Script::execute(), Script::interpreter_, Script::lastResult(), and ScriptInterpreter::setResult().

Referenced by Watch::isTriggered().

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

• ExpressionScript.hh
• ExpressionScript.cc