retdec
Static Public Member Functions | Private Member Functions | Private Attributes | List of all members
retdec::llvmir2hll::GotoTargetAnalysis Class Reference

Analysis of goto targets. More...

#include <goto_target_analysis.h>

Inheritance diagram for retdec::llvmir2hll::GotoTargetAnalysis:
Inheritance graph
[legend]
Collaboration diagram for retdec::llvmir2hll::GotoTargetAnalysis:
Collaboration graph
[legend]

Static Public Member Functions

static StmtSet getGotoTargets (ShPtr< Statement > stmt)
 
static bool hasGotoTargets (ShPtr< Statement > stmt)
 Returns true if there are goto targets reachable from the given statement, false otherwise. More...
 

Private Member Functions

 GotoTargetAnalysis ()
 Constructs a new analysis. More...
 
void putIntoGotoTargetsIfGotoTarget (ShPtr< Statement > stmt)
 Checks whether the given statement is a goto target, and if so, puts it into gotoTargets. More...
 
Visitor Interface
virtual void visit (ShPtr< GotoStmt > stmt) override
 
virtual void visitStmt (ShPtr< Statement > stmt, bool visitSuccessors=true, bool visitNestedStmts=true) override
 Visits the given statement, and possibly its successors or nested statements. More...
 
virtual void visit (ShPtr< GlobalVarDef > varDef) override
 
virtual void visit (ShPtr< Function > func) override
 
virtual void visit (ShPtr< AssignStmt > stmt) override
 
virtual void visit (ShPtr< BreakStmt > stmt) override
 
virtual void visit (ShPtr< CallStmt > stmt) override
 
virtual void visit (ShPtr< ContinueStmt > stmt) override
 
virtual void visit (ShPtr< EmptyStmt > stmt) override
 
virtual void visit (ShPtr< ForLoopStmt > stmt) override
 
virtual void visit (ShPtr< UForLoopStmt > stmt) override
 
virtual void visit (ShPtr< GotoStmt > stmt) override
 
virtual void visit (ShPtr< IfStmt > stmt) override
 
virtual void visit (ShPtr< ReturnStmt > stmt) override
 
virtual void visit (ShPtr< SwitchStmt > stmt) override
 
virtual void visit (ShPtr< UnreachableStmt > stmt) override
 
virtual void visit (ShPtr< VarDefStmt > stmt) override
 
virtual void visit (ShPtr< WhileLoopStmt > stmt) override
 
virtual void visit (ShPtr< AddOpExpr > expr) override
 
virtual void visit (ShPtr< AddressOpExpr > expr) override
 
virtual void visit (ShPtr< AndOpExpr > expr) override
 
virtual void visit (ShPtr< ArrayIndexOpExpr > expr) override
 
virtual void visit (ShPtr< AssignOpExpr > expr) override
 
virtual void visit (ShPtr< BitAndOpExpr > expr) override
 
virtual void visit (ShPtr< BitOrOpExpr > expr) override
 
virtual void visit (ShPtr< BitShlOpExpr > expr) override
 
virtual void visit (ShPtr< BitShrOpExpr > expr) override
 
virtual void visit (ShPtr< BitXorOpExpr > expr) override
 
virtual void visit (ShPtr< CallExpr > expr) override
 
virtual void visit (ShPtr< CommaOpExpr > expr) override
 
virtual void visit (ShPtr< DerefOpExpr > expr) override
 
virtual void visit (ShPtr< DivOpExpr > expr) override
 
virtual void visit (ShPtr< EqOpExpr > expr) override
 
virtual void visit (ShPtr< GtEqOpExpr > expr) override
 
virtual void visit (ShPtr< GtOpExpr > expr) override
 
virtual void visit (ShPtr< LtEqOpExpr > expr) override
 
virtual void visit (ShPtr< LtOpExpr > expr) override
 
virtual void visit (ShPtr< ModOpExpr > expr) override
 
virtual void visit (ShPtr< MulOpExpr > expr) override
 
virtual void visit (ShPtr< NegOpExpr > expr) override
 
virtual void visit (ShPtr< NeqOpExpr > expr) override
 
virtual void visit (ShPtr< NotOpExpr > expr) override
 
virtual void visit (ShPtr< OrOpExpr > expr) override
 
virtual void visit (ShPtr< StructIndexOpExpr > expr) override
 
virtual void visit (ShPtr< SubOpExpr > expr) override
 
virtual void visit (ShPtr< TernaryOpExpr > expr) override
 
virtual void visit (ShPtr< Variable > var) override
 
virtual void visit (ShPtr< BitCastExpr > expr) override
 
virtual void visit (ShPtr< ExtCastExpr > expr) override
 
virtual void visit (ShPtr< FPToIntCastExpr > expr) override
 
virtual void visit (ShPtr< IntToFPCastExpr > expr) override
 
virtual void visit (ShPtr< IntToPtrCastExpr > expr) override
 
virtual void visit (ShPtr< PtrToIntCastExpr > expr) override
 
virtual void visit (ShPtr< TruncCastExpr > expr) override
 
virtual void visit (ShPtr< ConstArray > constant) override
 
virtual void visit (ShPtr< ConstBool > constant) override
 
virtual void visit (ShPtr< ConstFloat > constant) override
 
virtual void visit (ShPtr< ConstInt > constant) override
 
virtual void visit (ShPtr< ConstNullPointer > constant) override
 
virtual void visit (ShPtr< ConstString > constant) override
 
virtual void visit (ShPtr< ConstStruct > constant) override
 
virtual void visit (ShPtr< ConstSymbol > constant) override
 
virtual void visit (ShPtr< ArrayType > type) override
 
virtual void visit (ShPtr< FloatType > type) override
 
virtual void visit (ShPtr< IntType > type) override
 
virtual void visit (ShPtr< PointerType > type) override
 
virtual void visit (ShPtr< StringType > type) override
 
virtual void visit (ShPtr< StructType > type) override
 
virtual void visit (ShPtr< FunctionType > type) override
 
virtual void visit (ShPtr< VoidType > type) override
 
virtual void visit (ShPtr< UnknownType > type) override
 
- Private Member Functions inherited from retdec::llvmir2hll::OrderedAllVisitor
virtual void visit (ShPtr< GlobalVarDef > varDef) override
 
virtual void visit (ShPtr< Function > func) override
 
virtual void visit (ShPtr< AssignStmt > stmt) override
 
virtual void visit (ShPtr< BreakStmt > stmt) override
 
virtual void visit (ShPtr< CallStmt > stmt) override
 
virtual void visit (ShPtr< ContinueStmt > stmt) override
 
virtual void visit (ShPtr< EmptyStmt > stmt) override
 
virtual void visit (ShPtr< ForLoopStmt > stmt) override
 
virtual void visit (ShPtr< UForLoopStmt > stmt) override
 
virtual void visit (ShPtr< IfStmt > stmt) override
 
virtual void visit (ShPtr< ReturnStmt > stmt) override
 
virtual void visit (ShPtr< SwitchStmt > stmt) override
 
virtual void visit (ShPtr< UnreachableStmt > stmt) override
 
virtual void visit (ShPtr< VarDefStmt > stmt) override
 
virtual void visit (ShPtr< WhileLoopStmt > stmt) override
 
virtual void visit (ShPtr< AddOpExpr > expr) override
 
virtual void visit (ShPtr< AddressOpExpr > expr) override
 
virtual void visit (ShPtr< AndOpExpr > expr) override
 
virtual void visit (ShPtr< ArrayIndexOpExpr > expr) override
 
virtual void visit (ShPtr< AssignOpExpr > expr) override
 
virtual void visit (ShPtr< BitAndOpExpr > expr) override
 
virtual void visit (ShPtr< BitOrOpExpr > expr) override
 
virtual void visit (ShPtr< BitShlOpExpr > expr) override
 
virtual void visit (ShPtr< BitShrOpExpr > expr) override
 
virtual void visit (ShPtr< BitXorOpExpr > expr) override
 
virtual void visit (ShPtr< CallExpr > expr) override
 
virtual void visit (ShPtr< CommaOpExpr > expr) override
 
virtual void visit (ShPtr< DerefOpExpr > expr) override
 
virtual void visit (ShPtr< DivOpExpr > expr) override
 
virtual void visit (ShPtr< EqOpExpr > expr) override
 
virtual void visit (ShPtr< GtEqOpExpr > expr) override
 
virtual void visit (ShPtr< GtOpExpr > expr) override
 
virtual void visit (ShPtr< LtEqOpExpr > expr) override
 
virtual void visit (ShPtr< LtOpExpr > expr) override
 
virtual void visit (ShPtr< ModOpExpr > expr) override
 
virtual void visit (ShPtr< MulOpExpr > expr) override
 
virtual void visit (ShPtr< NegOpExpr > expr) override
 
virtual void visit (ShPtr< NeqOpExpr > expr) override
 
virtual void visit (ShPtr< NotOpExpr > expr) override
 
virtual void visit (ShPtr< OrOpExpr > expr) override
 
virtual void visit (ShPtr< StructIndexOpExpr > expr) override
 
virtual void visit (ShPtr< SubOpExpr > expr) override
 
virtual void visit (ShPtr< TernaryOpExpr > expr) override
 
virtual void visit (ShPtr< Variable > var) override
 
virtual void visit (ShPtr< BitCastExpr > expr) override
 
virtual void visit (ShPtr< ExtCastExpr > expr) override
 
virtual void visit (ShPtr< FPToIntCastExpr > expr) override
 
virtual void visit (ShPtr< IntToFPCastExpr > expr) override
 
virtual void visit (ShPtr< IntToPtrCastExpr > expr) override
 
virtual void visit (ShPtr< PtrToIntCastExpr > expr) override
 
virtual void visit (ShPtr< TruncCastExpr > expr) override
 
virtual void visit (ShPtr< ConstArray > constant) override
 
virtual void visit (ShPtr< ConstBool > constant) override
 
virtual void visit (ShPtr< ConstFloat > constant) override
 
virtual void visit (ShPtr< ConstInt > constant) override
 
virtual void visit (ShPtr< ConstNullPointer > constant) override
 
virtual void visit (ShPtr< ConstString > constant) override
 
virtual void visit (ShPtr< ConstStruct > constant) override
 
virtual void visit (ShPtr< ConstSymbol > constant) override
 
virtual void visit (ShPtr< ArrayType > type) override
 
virtual void visit (ShPtr< FloatType > type) override
 
virtual void visit (ShPtr< IntType > type) override
 
virtual void visit (ShPtr< PointerType > type) override
 
virtual void visit (ShPtr< StringType > type) override
 
virtual void visit (ShPtr< StructType > type) override
 
virtual void visit (ShPtr< FunctionType > type) override
 
virtual void visit (ShPtr< VoidType > type) override
 
virtual void visit (ShPtr< UnknownType > type) override
 
 OrderedAllVisitor (bool visitSuccessors=true, bool visitNestedStmts=true)
 Constructs a new visitor. More...
 
void restart (bool visitSuccessors=true, bool visitNestedStmts=true)
 "Restarts" the visitor so it is in the state like it was when it was created. More...
 
bool makeAccessedAndCheckIfAccessed (ShPtr< Type > type)
 Makes the given type accessed. More...
 
- Private Member Functions inherited from retdec::llvmir2hll::Visitor
virtual ~Visitor ()=default
 
 Visitor ()=default
 
- Private Member Functions inherited from retdec::utils::NonCopyable
 NonCopyable (const NonCopyable &)=delete
 
NonCopyableoperator= (const NonCopyable &)=delete
 
 NonCopyable ()=default
 
 ~NonCopyable ()=default
 

Private Attributes

StmtSet gotoTargets
 All found goto targets. More...
 
- Private Attributes inherited from retdec::llvmir2hll::OrderedAllVisitor
ShPtr< StatementlastStmt
 Statement that has been accessed as the last one. More...
 
StmtUSet accessedStmts
 A set of all accessed statements. More...
 
TypeUSet accessedTypes
 A set of all accessed types. More...
 
bool visitSuccessors
 Should statements' successor be accessed? More...
 
bool visitNestedStmts
 Should nested statements be accessed? More...
 

Detailed Description

Analysis of goto targets.

This class can be used when you want to check whether some statements contain goto targets. If you want just a boolean answer (yes/no), use hasGotoTargets(). Otherwise, use getGotoTargets() to obtain the set of all statements which are goto targets.

This class implements the "static helper" (or "library") design pattern (it has just static functions and no instances can be created).

Constructor & Destructor Documentation

◆ GotoTargetAnalysis()

retdec::llvmir2hll::GotoTargetAnalysis::GotoTargetAnalysis ( )
private

Constructs a new analysis.

Member Function Documentation

◆ getGotoTargets()

StmtSet retdec::llvmir2hll::GotoTargetAnalysis::getGotoTargets ( ShPtr< Statement stmt)
static

◆ hasGotoTargets()

bool retdec::llvmir2hll::GotoTargetAnalysis::hasGotoTargets ( ShPtr< Statement stmt)
static

Returns true if there are goto targets reachable from the given statement, false otherwise.

Parameters
[in]stmtStatement where the search is to be started.
Preconditions
  • stmt is non-null

◆ putIntoGotoTargetsIfGotoTarget()

void retdec::llvmir2hll::GotoTargetAnalysis::putIntoGotoTargetsIfGotoTarget ( ShPtr< Statement stmt)
private

Checks whether the given statement is a goto target, and if so, puts it into gotoTargets.

◆ visit() [1/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [2/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [3/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [4/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [5/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [6/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [7/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [8/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [9/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [10/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [11/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [12/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [13/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [14/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [15/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [16/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [17/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [18/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [19/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [20/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [21/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [22/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [23/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [24/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [25/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [26/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [27/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [28/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [29/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [30/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [31/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [32/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [33/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [34/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [35/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [36/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [37/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [38/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [39/70]

void retdec::llvmir2hll::GotoTargetAnalysis::visit ( ShPtr< GotoStmt stmt)
overrideprivatevirtual

◆ visit() [40/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [41/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [42/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [43/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [44/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [45/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [46/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [47/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [48/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [49/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [50/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [51/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [52/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [53/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [54/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [55/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [56/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [57/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [58/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [59/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [60/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [61/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [62/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [63/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [64/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [65/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [66/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [67/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [68/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [69/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visit() [70/70]

void retdec::llvmir2hll::OrderedAllVisitor::visit
overrideprivate

◆ visitStmt()

void retdec::llvmir2hll::GotoTargetAnalysis::visitStmt ( ShPtr< Statement stmt,
bool  visitSuccessors = true,
bool  visitNestedStmts = true 
)
overrideprivatevirtual

Visits the given statement, and possibly its successors or nested statements.

Parameters
[in]stmtStatement to be visited.
[in]visitSuccessorsIf true, a successor of stmt is also visited (and a successor of this successor, and so on).
[in]visitNestedStmtsIf true, nested statements are also visited, e.g. loop, if, and switch statement's bodies.

If stmt has already been accessed, this function does nothing. If stmt is the null pointer, it also does nothing. Before visiting stmt, this function adds it to accessedStmts.

Reimplemented from retdec::llvmir2hll::OrderedAllVisitor.

Member Data Documentation

◆ gotoTargets

StmtSet retdec::llvmir2hll::GotoTargetAnalysis::gotoTargets
private

All found goto targets.


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