Store information about variable usage. More...

Public Member Functions
	VariableUsage (const Variable *var=nullptr, VariableType type=standard, bool read=false, bool write=false, bool modified=false, bool allocateMemory=false)

void	use ()
	variable is used. More...

bool	unused () const
	is variable unused? More...

Public Attributes
std::set< nonneg int >	_aliases

std::set< const Scope * >	_assignments

const Variable *	_var

const Token *	_lastAccess

VariableType	mType

bool	_read

bool	_write

bool	_modified

bool	_allocateMemory

Detailed Description

Store information about variable usage.

Definition at line 107 of file checkunusedvar.cpp.

Constructor & Destructor Documentation

◆ VariableUsage()

Variables::VariableUsage::VariableUsage	(	const Variable *	var = `nullptr`,
		VariableType	type = `standard`,
		bool	read = `false`,
		bool	write = `false`,
		bool	modified = `false`,
		bool	allocateMemory = `false`
	)

inlineexplicit

Definition at line 109 of file checkunusedvar.cpp.

Member Function Documentation

◆ unused()

bool Variables::VariableUsage::unused ( ) const

inline

is variable unused?

Definition at line 130 of file checkunusedvar.cpp.

References _read, and _write.

Referenced by CheckUnusedVar::checkFunctionVariableUsage().

◆ use()

void Variables::VariableUsage::use ( )

inline

variable is used.

. set both read+write

Definition at line 124 of file checkunusedvar.cpp.

References _read, and _write.

Referenced by Variables::alias(), and Variables::use().

Member Data Documentation

◆ _aliases

std::set<nonneg int> Variables::VariableUsage::_aliases

Definition at line 134 of file checkunusedvar.cpp.

Referenced by Variables::alias(), CheckUnusedVar::checkFunctionVariableUsage_iterateScopes(), Variables::clearAliases(), Variables::eraseAliases(), Variables::modified(), Variables::readAliases(), Variables::use(), and Variables::writeAliases().

◆ _allocateMemory

bool Variables::VariableUsage::_allocateMemory

Definition at line 143 of file checkunusedvar.cpp.

Referenced by Variables::allocateMemory(), CheckUnusedVar::checkFunctionVariableUsage(), and CheckUnusedVar::checkFunctionVariableUsage_iterateScopes().

◆ _assignments

std::set<const Scope*> Variables::VariableUsage::_assignments

Definition at line 135 of file checkunusedvar.cpp.

Referenced by doAssignment().

◆ _lastAccess

const Token* Variables::VariableUsage::_lastAccess

Definition at line 138 of file checkunusedvar.cpp.

Referenced by Variables::allocateMemory(), CheckUnusedVar::checkFunctionVariableUsage(), Variables::modified(), Variables::read(), Variables::readAliases(), Variables::use(), Variables::write(), and Variables::writeAliases().

◆ _modified

bool Variables::VariableUsage::_modified

Definition at line 142 of file checkunusedvar.cpp.

Referenced by CheckUnusedVar::checkFunctionVariableUsage(), and Variables::modified().

◆ _read

bool Variables::VariableUsage::_read

Definition at line 140 of file checkunusedvar.cpp.

Referenced by Variables::alias(), CheckUnusedVar::checkFunctionVariableUsage(), Variables::modified(), Variables::read(), Variables::readAliases(), unused(), use(), and Variables::write().

◆ _var

const Variable* Variables::VariableUsage::_var

Definition at line 137 of file checkunusedvar.cpp.

Referenced by Variables::alias(), CheckUnusedVar::checkFunctionVariableUsage(), Variables::clearAliases(), doAssignment(), Variables::modified(), and Variables::write().

◆ _write

bool Variables::VariableUsage::_write

Definition at line 141 of file checkunusedvar.cpp.

Referenced by CheckUnusedVar::checkFunctionVariableUsage(), unused(), use(), Variables::write(), and Variables::writeAliases().

◆ mType

VariableType Variables::VariableUsage::mType

Definition at line 139 of file checkunusedvar.cpp.

Referenced by Variables::alias(), CheckUnusedVar::checkFunctionVariableUsage(), CheckUnusedVar::checkFunctionVariableUsage_iterateScopes(), and doAssignment().

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

checkunusedvar.cpp

Public Member Functions

Public Attributes