JumpNull Class Reference

#include <JumpInstruction.h>

Inheritance diagram for JumpNull:

JumpInstruction Instruction List of all members.

Public Member Functions

 JumpNull (TProgramCounter pc, RegisterRef< bool > *op)
virtual ~JumpNull ()
virtual void exec (TProgramCounter &pc) const
void describe (string &out, bool values) const

Static Public Member Functions

static const char * longName ()
static const char * shortName ()
static int numArgs ()
static InstructionSignature signature (StandardTypeDescriptorOrdinal type)
static Instruction * create (InstructionSignature const &sig)

Protected Member Functions

virtual void describeHelper (string &out, bool values, const char *longName, const char *shortName) const
void describeHelper (string &out, bool values, const char *longName, const char *shortName, RegisterReference *result, RegisterReference *op1, RegisterReference *op2) const

Protected Attributes

TProgramCounter mJumpTo
RegisterRef< bool > * mOp

Friends

class fennel::Calculator

Detailed Description

Definition at line 179 of file JumpInstruction.h.

Constructor & Destructor Documentation

JumpNull::JumpNull ( TProgramCounter  pc,
RegisterRef< bool > *  op 
) [inline, explicit]

Definition at line 184 of file JumpInstruction.h.

00185         : JumpInstruction (pc, op)
00186     {}

virtual JumpNull::~JumpNull (  )  [inline, virtual]

Definition at line 189 of file JumpInstruction.h.

00189 {}

Member Function Documentation

virtual void JumpNull::exec ( TProgramCounter &  pc  )  const [inline, virtual]

Implements Instruction.

Definition at line 191 of file JumpInstruction.h.

00191                                                  {
00192         if (mOp->isNull()) {
00193             pc = mJumpTo;
00194         } else {
00195             pc++;
00196         }
00197     }

const char * JumpNull::longName (  )  [static]

Definition at line 123 of file JumpInstruction.cpp.

Referenced by describe().

00124 {
00125     return "JumpNull";
00126 }

const char * JumpNull::shortName (  )  [static]

Definition at line 128 of file JumpInstruction.cpp.

Referenced by describe().

00129 {
00130     return "JMPN";
00131 }

int JumpNull::numArgs (  )  [static]

Definition at line 133 of file JumpInstruction.cpp.

00134 {
00135     return 1;  // PC is not counted
00136 }

void JumpNull::describe ( string &  out,
bool  values 
) const [virtual]

Implements Instruction.

Definition at line 138 of file JumpInstruction.cpp.

References JumpInstruction::describeHelper(), longName(), and shortName().

00138                                                  {
00139     describeHelper(out, values, longName(), shortName());
00140 }

static InstructionSignature JumpNull::signature ( StandardTypeDescriptorOrdinal  type  )  [inline, static]

Definition at line 205 of file JumpInstruction.h.

00205                                                   {
00206         vector<StandardTypeDescriptorOrdinal> v(numArgs(), type);
00207         return InstructionSignature(shortName(), 0, v);
00208     }

static Instruction* JumpNull::create ( InstructionSignature const &  sig  )  [inline, static]

Definition at line 211 of file JumpInstruction.h.

References InstructionSignature::getPc(), and InstructionSignature::size().

00212     {
00213         assert(sig.size() == numArgs());
00214         return new JumpNull(
00215             sig.getPc(),
00216             static_cast<RegisterRef<bool>*> (sig[0]));
00217     }

void JumpInstruction::describeHelper ( string &  out,
bool  values,
const char *  longName,
const char *  shortName 
) const [protected, virtual, inherited]

Definition at line 34 of file JumpInstruction.cpp.

References RegisterRef< TMPLT >::isNull(), RegisterReference::isValid(), JumpInstruction::mJumpTo, JumpInstruction::mOp, RegisterReference::toString(), and RegisterRef< TMPLT >::valueToString().

Referenced by JumpNotNull::describe(), describe(), JumpFalse::describe(), JumpTrue::describe(), and Jump::describe().

00039 {
00040     out = longName;
00041     out += " To Addr: ";
00042     out += boost::lexical_cast<std::string>(mJumpTo);
00043     out += " ";
00044     out += shortName;
00045     out += " ";
00046 
00047     if (mOp && mOp->isValid()) {
00048         out += mOp->toString();
00049         if (values) {
00050             out += " ( ";
00051             if (mOp->isNull()) {
00052                 out += "NULL";
00053             } else {
00054                 out += mOp->valueToString();
00055             }
00056             out += " ) ";
00057         }
00058     }
00059 }

void Instruction::describeHelper ( string &  out,
bool  values,
const char *  longName,
const char *  shortName,
RegisterReference *  result,
RegisterReference *  op1,
RegisterReference *  op2 
) const [inline, protected, inherited]

Definition at line 68 of file Instruction.h.

References RegisterReference::isNull(), RegisterReference::isValid(), RegisterReference::toString(), and RegisterReference::valueToString().

Referenced by PointerToNull< PTR_TYPE >::describe(), PointerRef< PTR_TYPE >::describe(), PointerMove< PTR_TYPE >::describe(), PointerSub< PTR_TYPE >::describe(), PointerAdd< PTR_TYPE >::describe(), PointerPutSize< PTR_TYPE >::describe(), NativeToNull< TMPLT >::describe(), NativeRef< TMPLT >::describe(), NativeMove< TMPLT >::describe(), NativeRound< TMPLT >::describe(), NativeNeg< TMPLT >::describe(), NativeDiv< TMPLT >::describe(), NativeMul< TMPLT >::describe(), NativeSub< TMPLT >::describe(), NativeAdd< TMPLT >::describe(), PointerGetMaxSize< PTR_TYPE >::describe(), PointerGetSize< PTR_TYPE >::describe(), IntegralNativeShiftRight< TMPLT >::describe(), IntegralNativeShiftLeft< TMPLT >::describe(), IntegralNativeOr< TMPLT >::describe(), IntegralNativeAnd< TMPLT >::describe(), IntegralNativeMod< TMPLT >::describe(), CastCast< RESULT_T, SOURCE_T >::describe(), BoolPointerIsNotNull< PTR_TYPE >::describe(), BoolPointerIsNull< PTR_TYPE >::describe(), BoolPointerLessEqual< PTR_TYPE >::describe(), BoolPointerLess< PTR_TYPE >::describe(), BoolPointerGreaterEqual< PTR_TYPE >::describe(), BoolPointerGreater< PTR_TYPE >::describe(), BoolPointerNotEqual< PTR_TYPE >::describe(), BoolPointerEqual< PTR_TYPE >::describe(), BoolNativeIsNotNull< TMPLT >::describe(), BoolNativeIsNull< TMPLT >::describe(), BoolNativeLessEqual< TMPLT >::describe(), BoolNativeLess< TMPLT >::describe(), BoolNativeGreaterEqual< TMPLT >::describe(), BoolNativeGreater< TMPLT >::describe(), BoolNativeNotEqual< TMPLT >::describe(), BoolNativeEqual< TMPLT >::describe(), BoolToNull::describe(), BoolIsNotNull::describe(), BoolIsNull::describe(), BoolLessEqual::describe(), BoolLess::describe(), BoolGreaterEqual::describe(), BoolGreater::describe(), BoolNotEqual::describe(), BoolEqual::describe(), BoolIsNot::describe(), BoolIs::describe(), BoolRef::describe(), BoolMove::describe(), BoolNot::describe(), BoolAnd::describe(), and BoolOr::describe().

00076     {
00077         out = longName;
00078         out += ": ";
00079         out += result->toString();
00080         if (values) {
00081             out += " ( ";
00082             if (result->isNull()) {
00083                 out += "NULL";
00084             } else {
00085                 out += result->valueToString();
00086             }
00087             out += " ) ";
00088         }
00089         out += " = ";
00090 
00091         if (!op2 || !op2->isValid()) {  // if < 2 operands
00092             out += " ";
00093             out += shortName;
00094             out += " ";
00095         }
00096         if (op1 && op1->isValid()) {  // 1 or 2 operands
00097             out += op1->toString();
00098             if (values) {
00099                 out += " ( ";
00100                 if (op1->isNull()) {
00101                     out += "NULL";
00102                 } else {
00103                     out += op1->valueToString();
00104                 }
00105                 out += " ) ";
00106             }
00107         }
00108         if (op2 && op2->isValid()) {  // 2 operands
00109             out += " ";
00110             out += shortName;
00111             out += " ";
00112             out += op2->toString();
00113             if (values) {
00114                 out += " ( ";
00115                 if (op2->isNull()) {
00116                     out += "NULL";
00117                 } else {
00118                     out += op2->valueToString();
00119                 }
00120                 out += " ) ";
00121             }
00122         }
00123     }

Friends And Related Function Documentation

friend class fennel::Calculator [friend, inherited]

Definition at line 64 of file Instruction.h.

Member Data Documentation

TProgramCounter JumpInstruction::mJumpTo [protected, inherited]

Definition at line 51 of file JumpInstruction.h.

Referenced by JumpInstruction::describeHelper().

RegisterRef<bool>* JumpInstruction::mOp [protected, inherited]

Definition at line 52 of file JumpInstruction.h.

Referenced by JumpInstruction::describeHelper().

The documentation for this class was generated from the following files:
Generated on Mon Jun 22 04:00:33 2009 for Fennel by  doxygen 1.5.1