OpenASIP  2.0
NullInstruction.hh
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1 /*
2  Copyright (c) 2002-2009 Tampere University.
3 
4  This file is part of TTA-Based Codesign Environment (TCE).
5 
6  Permission is hereby granted, free of charge, to any person obtaining a
7  copy of this software and associated documentation files (the "Software"),
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11  Software is furnished to do so, subject to the following conditions:
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17  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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23  */
24 /**
25  * @file NullInstruction.hh
26  *
27  * Declaration of NullInstruction class.
28  *
29  * @author Ari Metsähalme 2005 (ari.metsahalme-no.spam-tut.fi)
30  * @note rating: red
31  */
32 
33 #ifndef TTA_NULL_INSTRUCTION_HH
34 #define TTA_NULL_INSTRUCTION_HH
35 
36 #include "Instruction.hh"
37 
38 namespace TTAProgram {
39 
40 /**
41  * A singleton class that represents a null instruction.
42  *
43  * Calling any method causes the program to abort.
44  */
45 class NullInstruction : public Instruction {
46 public:
47  virtual ~NullInstruction();
48  static NullInstruction& instance();
49 
50  Procedure& parent() const;
51  void setParent(const Procedure& proc);
52  bool isInProcedure() const;
53 
54  void addMove(Move& move);
55  int moveCount();
56  const Move& move(int i) const;
57 
58  void addImmediate(Immediate& imm);
59  int immediateCount();
60  Immediate& immediate(int i);
61 
62  Address& address() const;
63 
64  int size() const;
65 
66 protected:
68 
69 private:
70  /// Copying not allowed.
72  /// Assignment not allowed.
74 
75  /// Unique instance of NullInstruction.
77 };
78 
79 }
80 
81 #endif
TTAProgram
Definition: Estimator.hh:65
TTAProgram::NullInstruction::address
Address & address() const
Definition: NullInstruction.cc:166
TTAProgram::Address
Definition: Address.hh:51
TTAProgram::NullInstruction::isInProcedure
bool isInProcedure() const
Definition: NullInstruction.cc:96
TTAProgram::NullInstruction
Definition: NullInstruction.hh:45
TTAProgram::NullInstruction::size
int size() const
Definition: NullInstruction.cc:177
TTAProgram::Instruction
Definition: Instruction.hh:57
TTAProgram::NullInstruction::move
const Move & move(int i) const
Definition: NullInstruction.cc:125
TTAProgram::NullInstruction::setParent
void setParent(const Procedure &proc)
Definition: NullInstruction.cc:86
TTAProgram::NullInstruction::addImmediate
void addImmediate(Immediate &imm)
Definition: NullInstruction.cc:134
TTAProgram::NullInstruction::instance_
static NullInstruction instance_
Unique instance of NullInstruction.
Definition: NullInstruction.hh:76
TTAProgram::NullInstruction::immediate
Immediate & immediate(int i)
Definition: NullInstruction.cc:154
TTAProgram::NullInstruction::operator=
NullInstruction & operator=(const NullInstruction &)
Assignment not allowed.
TTAProgram::Immediate
Definition: Immediate.hh:54
Instruction.hh
TTAProgram::Move
Definition: Move.hh:55
TTAProgram::NullInstruction::instance
static NullInstruction & instance()
Definition: NullInstruction.cc:66
TTAProgram::NullInstruction::immediateCount
int immediateCount()
Definition: NullInstruction.cc:143
TTAProgram::NullInstruction::NullInstruction
NullInstruction()
Definition: NullInstruction.cc:49
TTAProgram::NullInstruction::addMove
void addMove(Move &move)
Definition: NullInstruction.cc:105
TTAProgram::NullInstruction::~NullInstruction
virtual ~NullInstruction()
Definition: NullInstruction.cc:56
TTAProgram::Procedure
Definition: Procedure.hh:55
TTAProgram::NullInstruction::moveCount
int moveCount()
Definition: NullInstruction.cc:114
TTAProgram::NullInstruction::parent
Procedure & parent() const
Definition: NullInstruction.cc:77