Variables::VariableUsage Class Reference

Store information about variable usage. More...

List of all members.

Public Member Functions
	VariableUsage (const Variable *var=0, VariableType type=standard, bool read=false, bool write=false, bool modified=false, bool allocateMemory=false)
void	use (std::list< std::set< unsigned int > > &varReadInScope)
	variable is used.
bool	unused () const
	is variable unused?
Public Attributes
std::set< unsigned int >	_aliases
std::set< const Scope * >	_assignments
const Variable *	_var
const Token *	_lastAccess
VariableType	_type
bool	_read
bool	_write
bool	_modified
bool	_allocateMemory

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Detailed Description

Store information about variable usage.

Definition at line 40 of file checkunusedvar.cpp.

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Constructor & Destructor Documentation

Variables::VariableUsage::VariableUsage	(	const Variable *	var = 0,
		VariableType	type = standard,
		bool	read = false,
		bool	write = false,
		bool	modified = false,
		bool	allocateMemory = false
	)		[inline]

Definition at line 42 of file checkunusedvar.cpp.

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Member Function Documentation

bool Variables::VariableUsage::unused

(

)

const [inline]

is variable unused?

Definition at line 65 of file checkunusedvar.cpp.

References _read, and _write.

Referenced by CheckUnusedVar::checkFunctionVariableUsage().

void Variables::VariableUsage::use

(

std::list< std::set< unsigned int > > &

varReadInScope

)

[inline]

variable is used.

. set both read+write

Definition at line 58 of file checkunusedvar.cpp.

References _read, _var, _write, and Variable::varId().

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

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Member Data Documentation

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

Definition at line 69 of file checkunusedvar.cpp.

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

bool Variables::VariableUsage::_allocateMemory

Definition at line 78 of file checkunusedvar.cpp.

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

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

Definition at line 70 of file checkunusedvar.cpp.

Referenced by doAssignment().

const Token* Variables::VariableUsage::_lastAccess

Definition at line 73 of file checkunusedvar.cpp.

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

bool Variables::VariableUsage::_modified

Definition at line 77 of file checkunusedvar.cpp.

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

bool Variables::VariableUsage::_read

Definition at line 75 of file checkunusedvar.cpp.

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

VariableType Variables::VariableUsage::_type

Definition at line 74 of file checkunusedvar.cpp.

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

const Variable* Variables::VariableUsage::_var

Definition at line 72 of file checkunusedvar.cpp.

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

bool Variables::VariableUsage::_write

Definition at line 76 of file checkunusedvar.cpp.

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

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

• checkunusedvar.cpp