Cppcheck
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Public Member Functions | |
ExpressionAnalyzer (const Token *e, ValueFlow::Value val, const TokenList &t, const Settings &s) | |
void | setupExprVarIds (const Token *start, int depth=0) |
virtual bool | skipUniqueExprIds () const |
bool | invalid () const override |
ProgramState | getProgramState () const override |
bool | match (const Token *tok) const override |
bool | dependsOnThis () const override |
bool | isGlobal () const override |
bool | isVariable () const override |
Action | isAliasModified (const Token *tok, int indirect) const override |
Public Member Functions inherited from SingleValueFlowAnalyzer | |
SingleValueFlowAnalyzer (ValueFlow::Value v, const TokenList &t, const Settings &s) | |
const std::unordered_map< nonneg int, const Variable * > & | getVars () const |
const std::unordered_map< nonneg int, const Variable * > & | getAliasedVars () const |
const ValueFlow::Value * | getValue (const Token *) const override |
ValueFlow::Value * | getValue (const Token *) override |
void | makeConditional () override |
bool | useSymbolicValues () const override |
void | addErrorPath (const Token *tok, const std::string &s) override |
bool | isAlias (const Token *tok, bool &inconclusive) const override |
bool | lowerToPossible () override |
Lower any values to possible. More... | |
bool | lowerToInconclusive () override |
Lower any values to inconclusive. More... | |
bool | isConditional () const override |
If the value is conditional. More... | |
bool | stopOnCondition (const Token *condTok) const override |
If analysis should stop on the condition. More... | |
bool | updateScope (const Token *endBlock, bool) const override |
If the analysis is unsure whether to update a scope, this will return true if the analysis should bifurcate the scope. More... | |
ValuePtr< Analyzer > | reanalyze (Token *tok, const std::string &msg) const override |
Return analyzer for expression at token. More... | |
Public Member Functions inherited from ValueFlowAnalyzer | |
ValueFlowAnalyzer (const TokenList &t, const Settings &s) | |
virtual bool | internalMatch (const Token *) const |
virtual int | getIndirect (const Token *tok) const |
bool | isCPP () const |
const Settings & | getSettings () const |
Action | analyzeLifetime (const Token *tok) const |
std::unordered_map< nonneg int, const Token * > | getSymbols (const Token *tok) const |
ConditionState | analyzeCondition (const Token *tok, int depth=20) const |
virtual Action | isModified (const Token *tok) const |
virtual Action | isThisModified (const Token *tok) const |
Action | isGlobalModified (const Token *tok) const |
virtual Action | isWritable (const Token *tok, Direction d) const |
virtual void | writeValue (ValueFlow::Value *value, const Token *tok, Direction d) const |
const Token * | findMatch (const Token *tok) const |
bool | isSameSymbolicValue (const Token *tok, ValueFlow::Value *value=nullptr) const |
Action | analyzeMatch (const Token *tok, Direction d) const |
Action | analyzeToken (const Token *ref, const Token *tok, Direction d, bool inconclusiveRef) const |
Action | analyze (const Token *tok, Direction d) const override |
Analyze a token. More... | |
template<class F > | |
std::vector< MathLib::bigint > | evaluateInt (const Token *tok, F getProgramMemory) const |
std::vector< MathLib::bigint > | evaluateInt (const Token *tok) const |
std::vector< MathLib::bigint > | evaluate (Evaluate e, const Token *tok, const Token *ctx=nullptr) const override |
Try to evaluate the value of a token(most likely a condition) More... | |
void | assume (const Token *tok, bool state, unsigned int flags) override |
The condition that will be assumed during analysis. More... | |
void | updateState (const Token *tok) override |
Update the state of the program at the token. More... | |
virtual void | internalUpdate (Token *, const ValueFlow::Value &, Direction) |
void | update (Token *tok, Action a, Direction d) override |
Update the state of the value. More... | |
Public Member Functions inherited from Analyzer | |
std::vector< MathLib::bigint > | evaluate (const Token *tok, const Token *ctx=nullptr) const |
virtual | ~Analyzer ()=default |
Analyzer (const Analyzer &)=default | |
Static Public Member Functions | |
static bool | nonLocal (const Variable *var, bool deref) |
Static Public Member Functions inherited from ValueFlowAnalyzer | |
static const std::string & | getAssign (const Token *tok, Direction d) |
Public Attributes | |
const Token * | expr |
bool = true | |
bool | unknown {} |
bool | dependOnThis {} |
bool | uniqueExprId {} |
Public Attributes inherited from SingleValueFlowAnalyzer | |
std::unordered_map< nonneg int, const Variable * > | varids |
std::unordered_map< nonneg int, const Variable * > | aliases |
ValueFlow::Value | value |
Public Attributes inherited from ValueFlowAnalyzer | |
const TokenList & | tokenlist |
const Settings & | settings |
ProgramMemoryState | pms |
Additional Inherited Members | |
Public Types inherited from ValueFlowAnalyzer | |
using | ProgramState = ProgramMemory::Map |
Public Types inherited from Analyzer | |
enum class | Terminate { None , Bail , Escape , Modified , Inconclusive , Conditional } |
enum class | Direction { Forward , Reverse } |
enum class | Evaluate { Integral , ContainerEmpty } |
Protected Member Functions inherited from Analyzer | |
Analyzer ()=default | |
Definition at line 3268 of file valueflow.cpp.
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inline |
Definition at line 3275 of file valueflow.cpp.
References dependOnThis, expr, exprDependsOnThis(), Token::exprId(), ValueFlow::Value::isSymbolicValue(), Token::isUniqueExprId(), isVariableChanged(), Token::Match(), setupExprVarIds(), ValueFlow::Value::tokvalue, uniqueExprId, and SingleValueFlowAnalyzer::value.
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inlineoverridevirtual |
Reimplemented from ValueFlowAnalyzer.
Definition at line 3358 of file valueflow.cpp.
References dependOnThis.
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inlineoverridevirtual |
Implements ValueFlowAnalyzer.
Definition at line 3348 of file valueflow.cpp.
References expr, and SingleValueFlowAnalyzer::value.
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inlineoverridevirtual |
Reimplemented from Analyzer.
Definition at line 3342 of file valueflow.cpp.
References skipUniqueExprIds(), uniqueExprId, and unknown.
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inlineoverridevirtual |
Reimplemented from ValueFlowAnalyzer.
Definition at line 3370 of file valueflow.cpp.
References Token::exprId(), ValueFlowAnalyzer::isAliasModified(), ValueFlow::Value::isSymbolicValue(), ValueFlow::Value::tokvalue, and SingleValueFlowAnalyzer::value.
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inlineoverridevirtual |
Reimplemented from SingleValueFlowAnalyzer.
Definition at line 3362 of file valueflow.cpp.
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inlineoverridevirtual |
Reimplemented from ValueFlowAnalyzer.
Definition at line 3366 of file valueflow.cpp.
References expr, and Token::varId().
Implements ValueFlowAnalyzer.
Reimplemented in ContainerExpressionAnalyzer, SubExpressionAnalyzer, OppositeExpressionAnalyzer, and SameExpressionAnalyzer.
Definition at line 3354 of file valueflow.cpp.
References expr, and Token::exprId().
Definition at line 3291 of file valueflow.cpp.
References Variable::isArgument(), Variable::isExtern(), Variable::isLocal(), Variable::isPointer(), Variable::isReference(), and Variable::isStatic().
Referenced by setupExprVarIds().
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inline |
Definition at line 3296 of file valueflow.cpp.
References astIsIterator(), astIsPointer(), astIsSmartPointer(), Token::astOperand2(), Token::astParent(), ValueFlow::Value::indirect, isGlobalData(), Token::isIncompleteVar(), Variable::isLocal(), Variable::isReference(), Token::Match(), Variable::nameToken(), Token::next(), none, nonLocal(), op1_and_op2, Token::previous(), Token::simpleMatch(), unknown, SingleValueFlowAnalyzer::value, Token::values(), Token::variable(), Token::varId(), SingleValueFlowAnalyzer::varids, and visitAstNodes().
Referenced by ExpressionAnalyzer().
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inlinevirtual |
Reimplemented in OppositeExpressionAnalyzer, and SameExpressionAnalyzer.
Definition at line 3338 of file valueflow.cpp.
Referenced by invalid().
ExpressionAnalyzer::bool = true |
Definition at line 3270 of file valueflow.cpp.
bool ExpressionAnalyzer::dependOnThis {} |
Definition at line 3272 of file valueflow.cpp.
Referenced by dependsOnThis(), and ExpressionAnalyzer().
const Token* ExpressionAnalyzer::expr |
Definition at line 3269 of file valueflow.cpp.
Referenced by ExpressionAnalyzer(), getProgramState(), SubExpressionAnalyzer::internalMatch(), SubExpressionAnalyzer::isAlias(), isVariable(), match(), SameExpressionAnalyzer::match(), OppositeExpressionAnalyzer::match(), SubExpressionAnalyzer::match(), and ContainerExpressionAnalyzer::match().
bool ExpressionAnalyzer::uniqueExprId {} |
Definition at line 3273 of file valueflow.cpp.
Referenced by ExpressionAnalyzer(), and invalid().
bool ExpressionAnalyzer::unknown {} |
Definition at line 3271 of file valueflow.cpp.
Referenced by invalid(), and setupExprVarIds().