#include <operators.h>

Inheritance diagram for Operation:

Public Types
enum	OpKind { __NO_OP__, __FIRST_OP__, __COMPARISON_START__ = __FIRST_OP__, LESS_THAN_OP = __COMPARISON_START__, LESS_OR_EQUAL_OP, NOT_EQUAL_OP, EQUAL_OP, GREATER_OR_EQUAL_OP, GREATER_THAN_OP, META_EQUAL_OP, IS_OP = META_EQUAL_OP, META_NOT_EQUAL_OP, ISNT_OP = META_NOT_EQUAL_OP, __COMPARISON_END__ = ISNT_OP, __ARITHMETIC_START__, UNARY_PLUS_OP = __ARITHMETIC_START__, UNARY_MINUS_OP, ADDITION_OP, SUBTRACTION_OP, MULTIPLICATION_OP, DIVISION_OP, MODULUS_OP, __ARITHMETIC_END__ = MODULUS_OP, __LOGIC_START__, LOGICAL_NOT_OP = __LOGIC_START__, LOGICAL_OR_OP, LOGICAL_AND_OP, __LOGIC_END__ = LOGICAL_AND_OP, __BITWISE_START__, BITWISE_NOT_OP = __BITWISE_START__, BITWISE_OR_OP, BITWISE_XOR_OP, BITWISE_AND_OP, LEFT_SHIFT_OP, RIGHT_SHIFT_OP, URIGHT_SHIFT_OP, __BITWISE_END__ = URIGHT_SHIFT_OP, __MISC_START__, PARENTHESES_OP = __MISC_START__, SUBSCRIPT_OP, TERNARY_OP, __MISC_END__ = TERNARY_OP, __LAST_OP__ = __MISC_END__, __NO_OP__, __FIRST_OP__, __COMPARISON_START__ = __FIRST_OP__, LESS_THAN_OP = __COMPARISON_START__, LESS_OR_EQUAL_OP, NOT_EQUAL_OP, EQUAL_OP, GREATER_OR_EQUAL_OP, GREATER_THAN_OP, META_EQUAL_OP, IS_OP = META_EQUAL_OP, META_NOT_EQUAL_OP, ISNT_OP = META_NOT_EQUAL_OP, __COMPARISON_END__ = ISNT_OP, __ARITHMETIC_START__, UNARY_PLUS_OP = __ARITHMETIC_START__, UNARY_MINUS_OP, ADDITION_OP, SUBTRACTION_OP, MULTIPLICATION_OP, DIVISION_OP, MODULUS_OP, __ARITHMETIC_END__ = MODULUS_OP, __LOGIC_START__, LOGICAL_NOT_OP = __LOGIC_START__, LOGICAL_OR_OP, LOGICAL_AND_OP, __LOGIC_END__ = LOGICAL_AND_OP, __BITWISE_START__, BITWISE_NOT_OP = __BITWISE_START__, BITWISE_OR_OP, BITWISE_XOR_OP, BITWISE_AND_OP, LEFT_SHIFT_OP, RIGHT_SHIFT_OP, URIGHT_SHIFT_OP, __BITWISE_END__ = URIGHT_SHIFT_OP, __MISC_START__, PARENTHESES_OP = __MISC_START__, SUBSCRIPT_OP, TERNARY_OP, __MISC_END__ = TERNARY_OP, __LAST_OP__ = __MISC_END__ }
	List of supported operators. More...
enum	OpKind { __NO_OP__, __FIRST_OP__, __COMPARISON_START__ = __FIRST_OP__, LESS_THAN_OP = __COMPARISON_START__, LESS_OR_EQUAL_OP, NOT_EQUAL_OP, EQUAL_OP, GREATER_OR_EQUAL_OP, GREATER_THAN_OP, META_EQUAL_OP, IS_OP = META_EQUAL_OP, META_NOT_EQUAL_OP, ISNT_OP = META_NOT_EQUAL_OP, __COMPARISON_END__ = ISNT_OP, __ARITHMETIC_START__, UNARY_PLUS_OP = __ARITHMETIC_START__, UNARY_MINUS_OP, ADDITION_OP, SUBTRACTION_OP, MULTIPLICATION_OP, DIVISION_OP, MODULUS_OP, __ARITHMETIC_END__ = MODULUS_OP, __LOGIC_START__, LOGICAL_NOT_OP = __LOGIC_START__, LOGICAL_OR_OP, LOGICAL_AND_OP, __LOGIC_END__ = LOGICAL_AND_OP, __BITWISE_START__, BITWISE_NOT_OP = __BITWISE_START__, BITWISE_OR_OP, BITWISE_XOR_OP, BITWISE_AND_OP, LEFT_SHIFT_OP, RIGHT_SHIFT_OP, URIGHT_SHIFT_OP, __BITWISE_END__ = URIGHT_SHIFT_OP, __MISC_START__, PARENTHESES_OP = __MISC_START__, SUBSCRIPT_OP, TERNARY_OP, __MISC_END__ = TERNARY_OP, __LAST_OP__ = __MISC_END__, __NO_OP__, __FIRST_OP__, __COMPARISON_START__ = __FIRST_OP__, LESS_THAN_OP = __COMPARISON_START__, LESS_OR_EQUAL_OP, NOT_EQUAL_OP, EQUAL_OP, GREATER_OR_EQUAL_OP, GREATER_THAN_OP, META_EQUAL_OP, IS_OP = META_EQUAL_OP, META_NOT_EQUAL_OP, ISNT_OP = META_NOT_EQUAL_OP, __COMPARISON_END__ = ISNT_OP, __ARITHMETIC_START__, UNARY_PLUS_OP = __ARITHMETIC_START__, UNARY_MINUS_OP, ADDITION_OP, SUBTRACTION_OP, MULTIPLICATION_OP, DIVISION_OP, MODULUS_OP, __ARITHMETIC_END__ = MODULUS_OP, __LOGIC_START__, LOGICAL_NOT_OP = __LOGIC_START__, LOGICAL_OR_OP, LOGICAL_AND_OP, __LOGIC_END__ = LOGICAL_AND_OP, __BITWISE_START__, BITWISE_NOT_OP = __BITWISE_START__, BITWISE_OR_OP, BITWISE_XOR_OP, BITWISE_AND_OP, LEFT_SHIFT_OP, RIGHT_SHIFT_OP, URIGHT_SHIFT_OP, __BITWISE_END__ = URIGHT_SHIFT_OP, __MISC_START__, PARENTHESES_OP = __MISC_START__, SUBSCRIPT_OP, TERNARY_OP, __MISC_END__ = TERNARY_OP, __LAST_OP__ = __MISC_END__ }
	List of supported operators. More...
Strict comparison operators

Non-strict comparison operators

Arithmetic operators

Logical operators

Bitwise operators

Miscellaneous operators

Public Member Functions
	Operation (const Operation &op)
	Copy Constructor.
virtual	~Operation ()
	Destructor.
Operation &	operator= (const Operation &op)
	Assignment operator.
void	GetComponents (OpKind &, ExprTree &, ExprTree &, ExprTree *&) const
virtual ExprTree *	Copy () const
	Make a deep copy of the expression.
bool	CopyFrom (const Operation &op)
virtual bool	SameAs (const ExprTree *tree) const
	Operation (const Operation &op)
	Copy Constructor.
virtual	~Operation ()
	Destructor.
Operation &	operator= (const Operation &op)
	Assignment operator.
void	GetComponents (OpKind &, ExprTree &, ExprTree &, ExprTree *&) const
virtual ExprTree *	Copy () const
	Make a deep copy of the expression.
bool	CopyFrom (const Operation &op)
virtual bool	SameAs (const ExprTree *tree) const
Static Public Member Functions
static Operation *	MakeOperation (OpKind kind, ExprTree e1=NULL, ExprTree e2=NULL, ExprTree *e3=NULL)
static void	Operate (OpKind op, Value &op1, Value &op2, Value &result)
static void	Operate (OpKind op, Value &op1, Value &op2, Value &op3, Value &result)
static bool	IsStrictOperator (OpKind)
static int	PrecedenceLevel (OpKind)
static Operation *	MakeOperation (OpKind kind, ExprTree e1=NULL, ExprTree e2=NULL, ExprTree *e3=NULL)
static void	Operate (OpKind op, Value &op1, Value &op2, Value &result)
static void	Operate (OpKind op, Value &op1, Value &op2, Value &op3, Value &result)
static bool	IsStrictOperator (OpKind)
static int	PrecedenceLevel (OpKind)
Protected Member Functions
	Operation ()
	Constructor.
	Operation ()
	Constructor.
Friends
bool	operator== (const Operation &op1, const Operation &op2)
bool	operator== (const Operation &op1, const Operation &op2)

Detailed Description

Represents a node of the expression tree which is an operation applied to expression operands, like 3 + 2

Member Enumeration Documentation

enum Operation::OpKind

List of supported operators.

Enumerator:

__NO_OP__	No op
LESS_THAN_OP	Less than operator
LESS_OR_EQUAL_OP	Less or equal
NOT_EQUAL_OP	Not equal
EQUAL_OP	Equal
GREATER_OR_EQUAL_OP	Greater or equal
GREATER_THAN_OP	Greater than
META_EQUAL_OP	Meta-equal (same as IS)
IS_OP	Is
META_NOT_EQUAL_OP	Meta-not-equal (same as ISNT)
ISNT_OP	Isnt
UNARY_PLUS_OP	Unary plus
UNARY_MINUS_OP	Unary minus
ADDITION_OP	Addition
SUBTRACTION_OP	Subtraction
MULTIPLICATION_OP	Multiplication
DIVISION_OP	Division
MODULUS_OP	Modulus
LOGICAL_NOT_OP	Logical not
LOGICAL_OR_OP	Logical or
LOGICAL_AND_OP	Logical and
BITWISE_NOT_OP	Bitwise not
BITWISE_OR_OP	Bitwise or
BITWISE_XOR_OP	Bitwise xor
BITWISE_AND_OP	Bitwise and
LEFT_SHIFT_OP	Left shift
RIGHT_SHIFT_OP	Right shift
URIGHT_SHIFT_OP	Unsigned right shift
PARENTHESES_OP	Parentheses
SUBSCRIPT_OP	Subscript
TERNARY_OP	Conditional op
__NO_OP__	No op
LESS_THAN_OP	Less than operator
LESS_OR_EQUAL_OP	Less or equal
NOT_EQUAL_OP	Not equal
EQUAL_OP	Equal
GREATER_OR_EQUAL_OP	Greater or equal
GREATER_THAN_OP	Greater than
META_EQUAL_OP	Meta-equal (same as IS)
IS_OP	Is
META_NOT_EQUAL_OP	Meta-not-equal (same as ISNT)
ISNT_OP	Isnt
UNARY_PLUS_OP	Unary plus
UNARY_MINUS_OP	Unary minus
ADDITION_OP	Addition
SUBTRACTION_OP	Subtraction
MULTIPLICATION_OP	Multiplication
DIVISION_OP	Division
MODULUS_OP	Modulus
LOGICAL_NOT_OP	Logical not
LOGICAL_OR_OP	Logical or
LOGICAL_AND_OP	Logical and
BITWISE_NOT_OP	Bitwise not
BITWISE_OR_OP	Bitwise or
BITWISE_XOR_OP	Bitwise xor
BITWISE_AND_OP	Bitwise and
LEFT_SHIFT_OP	Left shift
RIGHT_SHIFT_OP	Right shift
URIGHT_SHIFT_OP	Unsigned right shift
PARENTHESES_OP	Parentheses
SUBSCRIPT_OP	Subscript
TERNARY_OP	Conditional op

enum Operation::OpKind

List of supported operators.

Enumerator:

__NO_OP__	No op
LESS_THAN_OP	Less than operator
LESS_OR_EQUAL_OP	Less or equal
NOT_EQUAL_OP	Not equal
EQUAL_OP	Equal
GREATER_OR_EQUAL_OP	Greater or equal
GREATER_THAN_OP	Greater than
META_EQUAL_OP	Meta-equal (same as IS)
IS_OP	Is
META_NOT_EQUAL_OP	Meta-not-equal (same as ISNT)
ISNT_OP	Isnt
UNARY_PLUS_OP	Unary plus
UNARY_MINUS_OP	Unary minus
ADDITION_OP	Addition
SUBTRACTION_OP	Subtraction
MULTIPLICATION_OP	Multiplication
DIVISION_OP	Division
MODULUS_OP	Modulus
LOGICAL_NOT_OP	Logical not
LOGICAL_OR_OP	Logical or
LOGICAL_AND_OP	Logical and
BITWISE_NOT_OP	Bitwise not
BITWISE_OR_OP	Bitwise or
BITWISE_XOR_OP	Bitwise xor
BITWISE_AND_OP	Bitwise and
LEFT_SHIFT_OP	Left shift
RIGHT_SHIFT_OP	Right shift
URIGHT_SHIFT_OP	Unsigned right shift
PARENTHESES_OP	Parentheses
SUBSCRIPT_OP	Subscript
TERNARY_OP	Conditional op
__NO_OP__	No op
LESS_THAN_OP	Less than operator
LESS_OR_EQUAL_OP	Less or equal
NOT_EQUAL_OP	Not equal
EQUAL_OP	Equal
GREATER_OR_EQUAL_OP	Greater or equal
GREATER_THAN_OP	Greater than
META_EQUAL_OP	Meta-equal (same as IS)
IS_OP	Is
META_NOT_EQUAL_OP	Meta-not-equal (same as ISNT)
ISNT_OP	Isnt
UNARY_PLUS_OP	Unary plus
UNARY_MINUS_OP	Unary minus
ADDITION_OP	Addition
SUBTRACTION_OP	Subtraction
MULTIPLICATION_OP	Multiplication
DIVISION_OP	Division
MODULUS_OP	Modulus
LOGICAL_NOT_OP	Logical not
LOGICAL_OR_OP	Logical or
LOGICAL_AND_OP	Logical and
BITWISE_NOT_OP	Bitwise not
BITWISE_OR_OP	Bitwise or
BITWISE_XOR_OP	Bitwise xor
BITWISE_AND_OP	Bitwise and
LEFT_SHIFT_OP	Left shift
RIGHT_SHIFT_OP	Right shift
URIGHT_SHIFT_OP	Unsigned right shift
PARENTHESES_OP	Parentheses
SUBSCRIPT_OP	Subscript
TERNARY_OP	Conditional op

Member Function Documentation

void Operation::GetComponents	(	OpKind &	op,
		ExprTree *&	e1,
		ExprTree *&	e2,
		ExprTree *&	e3
	)			const

Deconstructor to obtain the components of an operation node

Parameters:

	kind	The kind of operation.
	e1	The first sub-expression child of the node.
	e2	The second sub-expression child of the node (if any).
	e3	The third sub-expression child of the node (if any).

void Operation::GetComponents	(	OpKind &	,
		ExprTree *&	,
		ExprTree *&	,
		ExprTree *&
	)			const

Deconstructor to obtain the components of an operation node

Parameters:

	kind	The kind of operation.
	e1	The first sub-expression child of the node.
	e2	The second sub-expression child of the node (if any).
	e3	The third sub-expression child of the node (if any).

static bool Operation::IsStrictOperator ( OpKind ) [static]

Predicate which tests if an operator is strict.

Parameters:

op

The operator to be tested.

Returns:: true if the operator is strict, false otherwise.

bool Operation::IsStrictOperator ( OpKind op ) [static]

Predicate which tests if an operator is strict.

Parameters:

op

The operator to be tested.

Returns:: true if the operator is strict, false otherwise.

static Operation* Operation::MakeOperation	(	OpKind	kind,
		ExprTree *	e1 = `NULL`,
		ExprTree *	e2 = `NULL`,
		ExprTree *	e3 = `NULL`
	)			`[static]`

Factory method to create an operation expression node

Parameters:

	kind	The kind of operation.
	e1	The first sub-expression child of the node.
	e2	The second sub-expression child of the node (if any).
	e3	The third sub-expression child of the node (if any).

Returns:: The constructed operation

Operation * Operation::MakeOperation	(	OpKind	kind,
		ExprTree *	e1 = `NULL`,
		ExprTree *	e2 = `NULL`,
		ExprTree *	e3 = `NULL`
	)			`[static]`

Factory method to create an operation expression node

Parameters:

	kind	The kind of operation.
	e1	The first sub-expression child of the node.
	e2	The second sub-expression child of the node (if any).
	e3	The third sub-expression child of the node (if any).

Returns:: The constructed operation

static void Operation::Operate	(	OpKind	op,
		Value &	op1,
		Value &	op2,
		Value &	op3,
		Value &	result
	)			`[static]`

Convenience method which operates on ternary operators.

Parameters:

	op	The kind of operation.
	op1	The first operand.
	op2	The second operand.
	op3	The third operand.
	result	The result of the operation.

See also:: OpKind, Value

void Operation::Operate	(	OpKind	op,
		Value &	op1,
		Value &	op2,
		Value &	result
	)			`[static]`

Convenience method which operates on binary operators.

Parameters:

	op	The kind of operation.
	op1	The first operand.
	op2	The second operand.
	result	The result of the operation.

See also:: OpKind, Value

void Operation::Operate	(	OpKind	op,
		Value &	op1,
		Value &	op2,
		Value &	op3,
		Value &	result
	)			`[static]`

Convenience method which operates on ternary operators.

Parameters:

	op	The kind of operation.
	op1	The first operand.
	op2	The second operand.
	op3	The third operand.
	result	The result of the operation.

See also:: OpKind, Value

static void Operation::Operate	(	OpKind	op,
		Value &	op1,
		Value &	op2,
		Value &	result
	)			`[static]`

Convenience method which operates on binary operators.

Parameters:

	op	The kind of operation.
	op1	The first operand.
	op2	The second operand.
	result	The result of the operation.

See also:: OpKind, Value

int Operation::PrecedenceLevel ( OpKind op ) [static]

Gets the precedence level of an operator. Higher precedences get higher values. (See K&R, p.53)

Parameters:

op

The operator to get the precedence of

Returns:: The precedence level of the operator.

static int Operation::PrecedenceLevel ( OpKind ) [static]

Gets the precedence level of an operator. Higher precedences get higher values. (See K&R, p.53)

Parameters:

op

The operator to get the precedence of

Returns:: The precedence level of the operator.

virtual bool Operation::SameAs ( const ExprTree * tree ) const [virtual]

Is this ExprTree the same as the tree?

Returns:: true if it is the same, false otherwise

Implements ExprTree.

bool Operation::SameAs ( const ExprTree * tree ) const [virtual]

Is this ExprTree the same as the tree?

Returns:: true if it is the same, false otherwise

Implements ExprTree.

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

classad/operators.h
classads-1.0.10/classad/operators.h
classads-1.0.10/operators.cpp
operators.cpp

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Detailed Description

Member Enumeration Documentation

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