A single operation in an expression. More...

#include <yatescript.h>

Inheritance diagram for ExpOperation:

Public Member Functions
	ExpOperation (const ExpOperation &original)

	ExpOperation (const ExpOperation &original, const char *name, bool copyType=true)

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

	ExpOperation (const char value, const char name=0)

	ExpOperation (int64_t value, const char *name=0)

	ExpOperation (bool value, const char *name=0)

	ExpOperation (ExpEvaluator::Opcode oper, const char *name=0, int64_t value=nonInteger(), bool barrier=false)

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

	ExpOperation (ExpEvaluator::Opcode oper, const char name, const char value, int64_t number, bool barrier)

ExpEvaluator::Opcode	opcode () const

bool	isInteger () const

int64_t	number () const

bool	isBoolean () const

bool	isNumber () const

bool	barrier () const

unsigned int	lineNumber () const

void	lineNumber (unsigned int line)

int64_t	operator= (int64_t num)

virtual int64_t	valInteger (int64_t defVal=0) const

virtual int64_t	toNumber () const

virtual bool	valBoolean (bool defVal=false) const

virtual const char *	typeOf () const

virtual ExpOperation *	clone (const char *name) const

ExpOperation *	clone () const

virtual ExpOperation *	copy (ScriptMutex *mtx) const

Public Member Functions inherited from NamedString
	NamedString (const char name, const char value=0)

const String &	name () const

virtual const String &	toString () const

virtual void *	getObject (const String &name) const

NamedString &	operator= (const char *value)

Public Member Functions inherited from String
	String ()

	String (const char *value, int len=-1)

	String (char value, unsigned int repeat=1)

	String (int32_t value)

	String (uint32_t value)

	String (int64_t value)

	String (uint64_t value)

	String (bool value)

	String (double value)

	String (const String &value)

	String (const String *value)

virtual	~String ()

const char *	c_str () const

const char *	safe () const

const char *	safe (const char *defStr) const

unsigned int	length () const

bool	null () const

int	lenUtf8 (uint32_t maxChar=0x10ffff, bool overlong=false) const

int	fixUtf8 (const char *replace=0, uint32_t maxChar=0x10ffff, bool overlong=false)

unsigned int	encodeFlags (const TokenDict *tokens) const

uint64_t	encodeFlags (const TokenDict64 *tokens) const

const String &	decodeFlags (unsigned int flags, const TokenDict *tokens, bool unknownflag=true)

const String &	decodeFlags (uint64_t flags, const TokenDict64 *tokens, bool unknownflag=true)

bool	checkBOM () const

bool	stripBOM ()

unsigned int	hash () const

void	clear ()

char	at (int index) const

String	substr (int offs, int len=-1) const

String &	trimBlanks ()

String &	trimSpaces ()

int	toInteger (int defvalue=0, int base=0, int minvalue=INT_MIN, int maxvalue=INT_MAX, bool clamp=true) const

int	toInteger (const TokenDict *tokens, int defvalue=0, int base=0) const

long int	toLong (long int defvalue=0, int base=0, long int minvalue=LONG_MIN, long int maxvalue=LONG_MAX, bool clamp=true) const

int64_t	toInt64 (int64_t defvalue=0, int base=0, int64_t minvalue=LLONG_MIN, int64_t maxvalue=LLONG_MAX, bool clamp=true) const

uint64_t	toUInt64 (uint64_t defvalue=0, int base=0, uint64_t minvalue=0, uint64_t maxvalue=ULLONG_MAX, bool clamp=true) const

double	toDouble (double defvalue=0.0) const

bool	toBoolean (bool defvalue=false) const

bool	isBoolean () const

String &	toUpper ()

String &	toLower ()

char	operator[] (signed int index) const

char	operator[] (unsigned int index) const

	operator const char * () const

String &	assign (const char *value, int len=-1)

String &	assign (char value, unsigned int repeat=1)

String &	hexify (void *data, unsigned int len, char sep=0, bool upCase=false)

String &	operator= (const String &value)

String &	operator= (const String *value)

String &	operator= (const char *value)

String &	operator= (char value)

String &	operator= (int32_t value)

String &	operator= (uint32_t value)

String &	operator= (int64_t value)

String &	operator= (uint64_t value)

String &	operator= (bool value)

String &	operator= (double value)

String &	operator+= (const char *value)

String &	operator+= (char value)

String &	operator+= (int32_t value)

String &	operator+= (uint32_t value)

String &	operator+= (int64_t value)

String &	operator+= (uint64_t value)

String &	operator+= (bool value)

String &	operator+= (double value)

bool	operator== (const char *value) const

bool	operator!= (const char *value) const

bool	operator== (const String &value) const

bool	operator!= (const String &value) const

bool	operator&= (const char *value) const

bool	operator\|= (const char *value) const

String &	operator<< (const char *value)

String &	operator<< (char value)

String &	operator<< (int32_t value)

String &	operator<< (uint32_t value)

String &	operator<< (int64_t value)

String &	operator<< (uint64_t value)

String &	operator<< (bool value)

String &	operator<< (double value)

String &	operator>> (const char *skip)

String &	operator>> (char &store)

String &	operator>> (UChar &store)

String &	operator>> (int &store)

String &	operator>> (unsigned int &store)

String &	operator>> (bool &store)

String &	append (const char *value, int len)

String &	append (const char value, const char separator=0, bool force=false)

String &	append (const ObjList list, const char separator=0, bool force=false)

String &	append (const ObjList &list, const char *separator=0, bool force=false)

String &	append (double value, unsigned int decimals=3)

String &	printf (const char *format,...)

String &	printf (unsigned int length, const char *format,...)

String &	appendFixed (unsigned int fixedLength, const char *str, unsigned int len=-1, char fill=' ', int align=Left)

String &	appendFixed (unsigned int fixedLength, const String &str, char fill=' ', int align=Left)

int	find (char what, unsigned int offs=0) const

int	find (const char *what, unsigned int offs=0) const

int	rfind (char what) const

int	rfind (const char *what) const

bool	startsWith (const char *what, bool wordBreak=false, bool caseInsensitive=false) const

bool	endsWith (const char *what, bool wordBreak=false, bool caseInsensitive=false) const

bool	startSkip (const char *what, bool wordBreak=true, bool caseInsensitive=false)

String &	extractTo (const char *sep, String &store)

String &	extractTo (const char *sep, bool &store)

String &	extractTo (const char *sep, int &store, int base=0)

String &	extractTo (const char sep, int &store, const TokenDict tokens, int base=0)

String &	extractTo (const char *sep, double &store)

virtual bool	matches (const String &value) const

bool	matches (const Regexp &rexp)

int	matchOffset (int index=0) const

int	matchLength (int index=0) const

String	matchString (int index=0) const

String	replaceMatches (const String &templ) const

int	matchCount () const

ObjList *	split (char separator, bool emptyOK=true) const

ObjList *	split (const Regexp &reg, bool emptyOK=true) const

String	msgEscape (char extraEsc=0) const

String	msgUnescape (int *errptr=0, char extraEsc=0) const

String	sqlEscape (char extraEsc=0) const

String	uriEscape (char extraEsc=0, const char *noEsc=0) const

String	uriUnescape (int *errptr=0) const

Public Member Functions inherited from GenObject
	GenObject ()

virtual	~GenObject ()

virtual bool	alive () const

virtual void	destruct ()

virtual const String &	traceId () const

NamedCounter *	getObjCounter () const

NamedCounter *	setObjCounter (NamedCounter *counter)

Static Public Member Functions
static int64_t	nonInteger ()

Static Public Member Functions inherited from String
static const String &	empty ()

static const char *	boolText (bool value)

static int	lenUtf8 (const char *value, uint32_t maxChar=0x10ffff, bool overlong=false)

static bool	checkBOM (const char *str)

static bool	stripBOM (const char *&str)

static bool	stripBOM (char *&str)

static unsigned int	hash (const char *value, unsigned int h=0)

static String	msgEscape (const char *str, char extraEsc=0)

static String	msgUnescape (const char str, int errptr=0, char extraEsc=0)

static String	sqlEscape (const char *str, char extraEsc=0)

static String	uriEscape (const char str, char extraEsc=0, const char noEsc=0)

static String	uriEscape (const char str, const char extraEsc, const char *noEsc=0)

static String	uriUnescape (const char str, int errptr=0)

static const String *	atom (const String &str, const char val)

Static Public Member Functions inherited from GenObject
static void *	getObject (const String &name, const GenObject *obj)

static bool	getObjCounting ()

static void	setObjCounting (bool enable)

static NamedCounter *	getObjCounter (const String &name, bool create=true)

static ObjList &	getObjCounters ()

Friends
class	ExpEvaluator

Additional Inherited Members
Public Types inherited from String
enum	Align { Left = 0 , Center , Right }

Protected Member Functions inherited from String
virtual void	changed ()

Detailed Description

A single operation in an expression.

This class describes a single operation in an expression evaluator

Constructor & Destructor Documentation

◆ ExpOperation() [1/9]

ExpOperation ( const ExpOperation & original )

inline

Copy constructor

Parameters

original Operation to copy

References barrier(), ExpOperation(), isBoolean(), isNumber(), lineNumber(), NamedString::name(), NamedString::NamedString(), number(), and opcode().

Referenced by ExpFunction::clone(), clone(), clone(), ExpWrapper::clone(), copy(), ExpWrapper::copy(), ExpFunction::ExpFunction(), ExpOperation(), ExpOperation(), ExpWrapper::ExpWrapper(), and ExpWrapper::ExpWrapper().

◆ ExpOperation() [2/9]

ExpOperation	(	const ExpOperation &	original,
		const char *	name,
		bool	copyType = true )

inline

Copy constructor with renaming, to be used for named results

Parameters

original	Operation to copy
name	Name of the newly created operation
copyType	True to copy operation type, false to create an OpcPush

References barrier(), ExpOperation(), isBoolean(), isNumber(), lineNumber(), NamedString::name(), NamedString::NamedString(), number(), and opcode().

◆ ExpOperation() [3/9]

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

inlineexplicit

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 isBoolean(), NamedString::name(), NamedString::NamedString(), nonInteger(), String::String(), String::toBoolean(), and String::toInt64().

◆ ExpOperation() [4/9]

ExpOperation	(	const char *	value,
		const char *	name = 0 )

inlineexplicit

Push literal string constructor

Parameters

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

References NamedString::name(), NamedString::NamedString(), and nonInteger().

◆ ExpOperation() [5/9]

ExpOperation	(	int64_t	value,
		const char *	name = 0 )

inlineexplicit

Push 64 bit Number constructor

Parameters

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

References NamedString::name(), NamedString::NamedString(), and nonInteger().

◆ ExpOperation() [6/9]

ExpOperation	(	bool	value,
		const char *	name = 0 )

inlineexplicit

Push Boolean constructor

Parameters

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

References String::boolText(), NamedString::name(), NamedString::NamedString(), and String::String().

◆ ExpOperation() [7/9]

ExpOperation	(	ExpEvaluator::Opcode	oper,
		const char *	name = 0,
		int64_t	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

References barrier(), NamedString::name(), NamedString::NamedString(), and nonInteger().

◆ ExpOperation() [8/9]

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

References barrier(), NamedString::name(), NamedString::NamedString(), and nonInteger().

◆ ExpOperation() [9/9]

ExpOperation	(	ExpEvaluator::Opcode	oper,
		const char *	name,
		const char *	value,
		int64_t	number,
		bool	barrier )

inline

Constructor from components

Parameters

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

References barrier(), NamedString::name(), NamedString::NamedString(), and number().

Member Function Documentation

◆ barrier()

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

Referenced by ExpFunction::ExpFunction(), ExpOperation(), ExpOperation(), ExpOperation(), ExpOperation(), ExpOperation(), and ExpWrapper::ExpWrapper().

◆ clone() [1/2]

ExpOperation * clone ( ) const

inline

Clone method

Returns: New operation instance, may keep a reference to the old instance

References clone(), ExpOperation(), and NamedString::name().

◆ clone() [2/2]

virtual ExpOperation * clone ( const char * name ) const

virtual

Clone and rename method

Parameters

name	Name of the cloned operation

Returns: New operation instance

Reimplemented in ExpFunction, and ExpWrapper.

References ExpOperation(), and NamedString::name().

Referenced by clone(), and copy().

◆ copy()

virtual ExpOperation * copy ( ScriptMutex * mtx ) const

inlinevirtual

Deep copy method

Parameters

mtx	Pointer to the mutex that serializes the copied object

Returns: New operation instance

Reimplemented in ExpWrapper.

References clone(), and ExpOperation().

◆ isBoolean()

bool isBoolean ( ) const

inline

Check if a boolean value is stored

Returns: True if a boolean value is stored

Referenced by ExpOperation(), ExpOperation(), and ExpOperation().

◆ isInteger()

bool isInteger ( ) const

inline

Check if an integer value is stored

Returns: True if an integer value is stored

References nonInteger().

◆ isNumber()

bool isNumber ( ) const

inline

Check if a number type value is stored

Returns: True if a number type value is stored

Referenced by ExpOperation(), and ExpOperation().

◆ lineNumber() [1/2]

unsigned int lineNumber ( ) const

inline

Retrieve the line number where the operation was compiled from

Returns: Line number, zero if unknown

Referenced by JsArray::clone(), JsObject::clone(), JsRegExp::clone(), ExpOperation(), and ExpOperation().

◆ lineNumber() [2/2]

void lineNumber ( unsigned int line )

inline

Set the line number where the operation was compiled from

Parameters

line	Number of the compiled line

◆ nonInteger()

static int64_t nonInteger ( )

inlinestatic

Special value that is not recognized as an integer value

Returns: A value that indicates a non-integer value

Referenced by ExpOperation(), ExpOperation(), ExpOperation(), ExpOperation(), ExpOperation(), and isInteger().

◆ number()

int64_t number ( ) const

inline

Retrieve the number stored in this operation

Returns: Stored number

Referenced by ExpOperation(), ExpOperation(), and ExpOperation().

◆ opcode()

ExpEvaluator::Opcode opcode ( ) const

inline

Retrieve the code of this operation

Returns: Operation code as declared in the expression evaluator

Referenced by ExpOperation(), ExpOperation(), and ExpWrapper::ExpWrapper().

◆ operator=()

int64_t operator= ( int64_t num )

inline

Number assignment operator

Parameters

num	Numeric value to assign to the operation

Returns: Assigned number

References String::operator=().

◆ toNumber()

virtual int64_t toNumber ( ) const

virtual

Convert to number

Returns: Value converted to number, NaN if not possible of if stored value is NaN

◆ typeOf()

virtual const char * typeOf ( ) const

virtual

Retrieve the name of the type of the value of this operation

Returns: Name of the type of the value

Reimplemented in ExpWrapper.

◆ valBoolean()

virtual bool valBoolean ( bool defVal = false ) const

virtual

Retrieve the boolean value of the operation

Parameters

defVal Default to return if not a boolean

Returns: True if the operation is to be interpreted as true value

Reimplemented in ExpFunction, and ExpWrapper.

◆ valInteger()

virtual int64_t valInteger ( int64_t defVal = 0 ) const

virtual

Retrieve the numeric value of the operation

Parameters

defVal Default to return if not a number

Returns: Number contained in operation

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

yatescript.h

Public Member Functions

Static Public Member Functions

Friends

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ExpOperation() [1/9]

◆ ExpOperation() [2/9]

◆ ExpOperation() [3/9]

◆ ExpOperation() [4/9]

◆ ExpOperation() [5/9]

◆ ExpOperation() [6/9]

◆ ExpOperation() [7/9]

◆ ExpOperation() [8/9]

◆ ExpOperation() [9/9]

Member Function Documentation

◆ barrier()

◆ clone() [1/2]

◆ clone() [2/2]

◆ copy()

◆ isBoolean()

◆ isInteger()

◆ isNumber()

◆ lineNumber() [1/2]

◆ lineNumber() [2/2]

◆ nonInteger()

◆ number()

◆ opcode()

◆ operator=()

◆ toNumber()

◆ typeOf()

◆ valBoolean()

◆ valInteger()