ExpOperation Class Reference

A single operation in an expression. More...

#include <yatescript.h>

Inheritance diagram for ExpOperation:

List of all members.

Public Member Functions
	ExpOperation (const ExpOperation &original)
	ExpOperation (const ExpOperation &original, const char *name)
	ExpOperation (const String &value, const char *name=0, bool autoNum=false)
	ExpOperation (const char *value, const char *name=0)
	ExpOperation (long int value, const char *name=0)
	ExpOperation (bool value, const char *name=0)
	ExpOperation (ExpEvaluator::Opcode oper, const char *name=0, long int value=nonInteger(), bool barrier=false)
	ExpOperation (ExpEvaluator::Opcode oper, const char *name, const char *value, bool barrier=false)
ExpEvaluator::Opcode	opcode () const
bool	isInteger () const
long int	number () const
bool	barrier () const
long int	operator= (long int num)
virtual ExpOperation *	clone (const char *name) const
ExpOperation *	clone () const
Static Public Member Functions
static long int	nonInteger ()
Friends
class	ExpEvaluator

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Detailed Description

A single operation in an expression.

This class describes a single operation in an expression evaluator

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Constructor & Destructor Documentation

ExpOperation

(

const ExpOperation &

original

)

[inline]

Copy constructor

Parameters:

original

Operation to copy

ExpOperation	(	const ExpOperation &	original,
		const char *	name
	)		[inline]

Copy constructor with renaming, to be used for named results

Parameters:

original	Operation to copy
name	Name of the newly created operation

ExpOperation	(	const String &	value,
		const char *	name = 0,
		bool	autoNum = false
	)		[inline, explicit]

Push String constructor

Parameters:

value	String constant to push on stack on execution
name	Optional of the newly created constant
autoNum	Automatically convert to number if possible

References String::isBoolean(), and String::toBoolean().

ExpOperation	(	const char *	value,
		const char *	name = 0
	)		[inline, explicit]

Push literal string constructor

Parameters:

value	String constant to push on stack on execution
name	Optional of the newly created constant

ExpOperation	(	long int	value,
		const char *	name = 0
	)		[inline, explicit]

Push Number constructor

Parameters:

value	Integer constant to push on stack on execution
name	Optional of the newly created constant

References String::operator=().

ExpOperation	(	bool	value,
		const char *	name = 0
	)		[inline, explicit]

Push Boolean constructor

Parameters:

value	Boolean constant to push on stack on execution
name	Optional of the newly created constant

ExpOperation	(	ExpEvaluator::Opcode	oper,
		const char *	name = 0,
		long int	value = nonInteger(),
		bool	barrier = false
	)		[inline]

Constructor from components

Parameters:

oper	Operation code
name	Optional name of the operation or result
value	Optional integer constant used as function parameter count
barrier	True if the operation is an expression barrier on the stack

ExpOperation	(	ExpEvaluator::Opcode	oper,
		const char *	name,
		const char *	value,
		bool	barrier = false
	)		[inline]

Constructor of non-integer operation from components

Parameters:

oper	Operation code
name	Name of the operation or result
value	String value of operation
barrier	True if the operation is an expression barrier on the stack

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Member Function Documentation

bool barrier

(

)

const [inline]

Check if this operation acts as an evaluator barrier on the stack

Returns:

True if an expression should not pop this operation off the stack

virtual ExpOperation* clone

(

const char *

name

)

const [inline, virtual]

Clone and rename method

Parameters:

name	Name of the cloned operation

Returns:

New operation instance

Reimplemented in ExpWrapper, and ExpFunction.

ExpOperation* clone

(

)

const [inline]

Clone method

Returns:

New operation instance

References ExpOperation::clone().

Referenced by ExpOperation::clone().

bool isInteger

(

)

const [inline]

Check if an integer value is stored

Returns:

True if an integer value is stored

static long int nonInteger

(

)

[inline, static]

Special value that is not recognized as an integer value

Returns:

A value that indicates a non-integer value

long int number

(

)

const [inline]

Retrieve the number stored in this operation

Returns:

Stored number

ExpEvaluator::Opcode opcode

(

)

const [inline]

Retrieve the code of this operation

Returns:

Operation code as declared in the expression evaluator

long int operator=

(

long int

num

)

[inline]

Number assignment operator

Parameters:

num	Numeric value to assign to the operation

Returns:

Assigned number

References String::operator=().

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

• yatescript.h