retdec
bir_writer.h
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1 
7 #ifndef RETDEC_LLVMIR2HLL_HLL_BIR_WRITER_H
8 #define RETDEC_LLVMIR2HLL_HLL_BIR_WRITER_H
9 
10 #include <cstddef>
11 #include <string>
12 #include <sstream>
13 
18 
19 namespace retdec {
20 namespace llvmir2hll {
21 
22 class BIRWriter: public Visitor {
23 public:
24  void emit(ShPtr<Module> m, const std::string& fileName = "");
25 
26 protected:
27  void emitGlobals();
28  void emitFunctions();
29  void emitIndent(unsigned indent);
30  void emitCurrentIndent();
31  void emitLabel(ShPtr<Statement> stmt);
32 
33 public:
34  virtual void visit(ShPtr<GlobalVarDef> varDef) override;
35  virtual void visit(ShPtr<Function> func) override;
36  // Statements
37  virtual void visit(ShPtr<AssignStmt> stmt) override;
38  virtual void visit(ShPtr<BreakStmt> stmt) override;
39  virtual void visit(ShPtr<CallStmt> stmt) override;
40  virtual void visit(ShPtr<ContinueStmt> stmt) override;
41  virtual void visit(ShPtr<EmptyStmt> stmt) override;
42  virtual void visit(ShPtr<ForLoopStmt> stmt) override;
43  virtual void visit(ShPtr<UForLoopStmt> stmt) override;
44  virtual void visit(ShPtr<GotoStmt> stmt) override;
45  virtual void visit(ShPtr<IfStmt> stmt) override;
46  virtual void visit(ShPtr<ReturnStmt> stmt) override;
47  virtual void visit(ShPtr<SwitchStmt> stmt) override;
48  virtual void visit(ShPtr<UnreachableStmt> stmt) override;
49  virtual void visit(ShPtr<VarDefStmt> stmt) override;
50  virtual void visit(ShPtr<WhileLoopStmt> stmt) override;
51  // Expressions
52  virtual void visit(ShPtr<AddOpExpr> expr) override;
53  virtual void visit(ShPtr<AddressOpExpr> expr) override;
54  virtual void visit(ShPtr<AndOpExpr> expr) override;
55  virtual void visit(ShPtr<ArrayIndexOpExpr> expr) override;
56  virtual void visit(ShPtr<AssignOpExpr> expr) override;
57  virtual void visit(ShPtr<BitAndOpExpr> expr) override;
58  virtual void visit(ShPtr<BitOrOpExpr> expr) override;
59  virtual void visit(ShPtr<BitShlOpExpr> expr) override;
60  virtual void visit(ShPtr<BitShrOpExpr> expr) override;
61  virtual void visit(ShPtr<BitXorOpExpr> expr) override;
62  virtual void visit(ShPtr<CallExpr> expr) override;
63  virtual void visit(ShPtr<CommaOpExpr> expr) override;
64  virtual void visit(ShPtr<DerefOpExpr> expr) override;
65  virtual void visit(ShPtr<DivOpExpr> expr) override;
66  virtual void visit(ShPtr<EqOpExpr> expr) override;
67  virtual void visit(ShPtr<GtEqOpExpr> expr) override;
68  virtual void visit(ShPtr<GtOpExpr> expr) override;
69  virtual void visit(ShPtr<LtEqOpExpr> expr) override;
70  virtual void visit(ShPtr<LtOpExpr> expr) override;
71  virtual void visit(ShPtr<ModOpExpr> expr) override;
72  virtual void visit(ShPtr<MulOpExpr> expr) override;
73  virtual void visit(ShPtr<NegOpExpr> expr) override;
74  virtual void visit(ShPtr<NeqOpExpr> expr) override;
75  virtual void visit(ShPtr<NotOpExpr> expr) override;
76  virtual void visit(ShPtr<OrOpExpr> expr) override;
77  virtual void visit(ShPtr<StructIndexOpExpr> expr) override;
78  virtual void visit(ShPtr<SubOpExpr> expr) override;
79  virtual void visit(ShPtr<TernaryOpExpr> expr) override;
80  virtual void visit(ShPtr<Variable> var) override;
81  // Casts
82  virtual void visit(ShPtr<BitCastExpr> expr) override;
83  virtual void visit(ShPtr<ExtCastExpr> expr) override;
84  virtual void visit(ShPtr<FPToIntCastExpr> expr) override;
85  virtual void visit(ShPtr<IntToFPCastExpr> expr) override;
86  virtual void visit(ShPtr<IntToPtrCastExpr> expr) override;
87  virtual void visit(ShPtr<PtrToIntCastExpr> expr) override;
88  virtual void visit(ShPtr<TruncCastExpr> expr) override;
89  // Constants
90  virtual void visit(ShPtr<ConstArray> constant) override;
91  virtual void visit(ShPtr<ConstBool> constant) override;
92  virtual void visit(ShPtr<ConstFloat> constant) override;
93  virtual void visit(ShPtr<ConstInt> constant) override;
94  virtual void visit(ShPtr<ConstNullPointer> constant) override;
95  virtual void visit(ShPtr<ConstString> constant) override;
96  virtual void visit(ShPtr<ConstStruct> constant) override;
97  virtual void visit(ShPtr<ConstSymbol> constant) override;
98  // Types
99  virtual void visit(ShPtr<ArrayType> type) override;
100  virtual void visit(ShPtr<FloatType> type) override;
101  virtual void visit(ShPtr<IntType> type) override;
102  virtual void visit(ShPtr<PointerType> type) override;
103  virtual void visit(ShPtr<StringType> type) override;
104  virtual void visit(ShPtr<StructType> type) override;
105  virtual void visit(ShPtr<FunctionType> type) override;
106  virtual void visit(ShPtr<VoidType> type) override;
107  virtual void visit(ShPtr<UnknownType> type) override;
108 
109 protected:
113  std::stringstream out;
114 
115  unsigned currIndent = 0;
116 };
117 
118 } // namespace llvmir2hll
119 } // namespace retdec
120 
121 #endif
Definition: bir_writer.h:22
unsigned currIndent
Definition: bir_writer.h:115
void emitFunctions()
Definition: bir_writer.cpp:122
void emitIndent(unsigned indent)
Definition: bir_writer.cpp:105
void emitCurrentIndent()
Definition: bir_writer.cpp:109
virtual void visit(ShPtr< GlobalVarDef > varDef) override
Definition: bir_writer.cpp:144
std::stringstream out
The output stream.
Definition: bir_writer.h:113
void emit(ShPtr< Module > m, const std::string &fileName="")
Definition: bir_writer.cpp:87
void emitLabel(ShPtr< Statement > stmt)
Definition: bir_writer.cpp:131
ShPtr< Module > module
The module to be written.
Definition: bir_writer.h:111
void emitGlobals()
Definition: bir_writer.cpp:113
A base class of all visitors.
Definition: visitor.h:95
A representation of a complete module.
A base class of all visitors.
A library providing API for working with back-end IR.
std::shared_ptr< T > ShPtr
An alias for a shared pointer.
Definition: smart_ptr.h:18
Definition: archive_wrapper.h:19
Declarations, aliases, macros, etc. for the use of smart pointers.
Aliases for several useful types.