Cppcheck
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Public Types | |
using | PartialReadContainer = std::vector< std::pair< Token *, ValueFlow::Value > > |
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 } |
Public Member Functions | |
SubExpressionAnalyzer (const Token *e, ValueFlow::Value val, const TokenList &t, const Settings &s) | |
virtual bool | submatch (const Token *tok, bool exact=true) const =0 |
bool | isAlias (const Token *tok, bool &inconclusive) const override |
bool | match (const Token *tok) const override |
bool | internalMatch (const Token *tok) const override |
void | internalUpdate (Token *tok, const ValueFlow::Value &v, Direction) override |
ValuePtr< Analyzer > | reanalyze (Token *, const std::string &) const override |
Return analyzer for expression at token. More... | |
Public Member Functions inherited from ExpressionAnalyzer | |
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 | 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 | 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... | |
Public Member Functions inherited from ValueFlowAnalyzer | |
ValueFlowAnalyzer (const TokenList &t, const Settings &s) | |
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... | |
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 | |
Public Attributes | |
std::shared_ptr< PartialReadContainer > | partialReads |
Public Attributes inherited from ExpressionAnalyzer | |
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 | |
Static Public Member Functions inherited from ExpressionAnalyzer | |
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) |
Protected Member Functions inherited from Analyzer | |
Analyzer ()=default | |
Definition at line 3408 of file valueflow.cpp.
using SubExpressionAnalyzer::PartialReadContainer = std::vector<std::pair<Token *, ValueFlow::Value> > |
Definition at line 3409 of file valueflow.cpp.
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inline |
Definition at line 3413 of file valueflow.cpp.
Reimplemented from ValueFlowAnalyzer.
Definition at line 3430 of file valueflow.cpp.
References astIsLHS(), Token::astParent(), ExpressionAnalyzer::expr, Token::exprId(), and submatch().
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inlineoverridevirtual |
Reimplemented from ValueFlowAnalyzer.
Definition at line 3434 of file valueflow.cpp.
References partialReads.
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inlineoverridevirtual |
Reimplemented from SingleValueFlowAnalyzer.
Definition at line 3419 of file valueflow.cpp.
References Token::astParent(), ExpressionAnalyzer::expr, Token::exprId(), inconclusive, SingleValueFlowAnalyzer::isAlias(), and submatch().
Reimplemented from ExpressionAnalyzer.
Definition at line 3426 of file valueflow.cpp.
References Token::astOperand1(), ExpressionAnalyzer::expr, Token::exprId(), and submatch().
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inlineoverridevirtual |
Return analyzer for expression at token.
Reimplemented from SingleValueFlowAnalyzer.
Definition at line 3440 of file valueflow.cpp.
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pure virtual |
Implemented in MemberExpressionAnalyzer.
Referenced by internalMatch(), isAlias(), and match().
std::shared_ptr<PartialReadContainer> SubExpressionAnalyzer::partialReads |
Definition at line 3411 of file valueflow.cpp.
Referenced by internalUpdate(), and valueFlowUninit().