ReturnInstruction Class Reference

#include <ReturnInstruction.h>

Inheritance diagram for ReturnInstruction:

Instruction List of all members.

Public Member Functions

 ReturnInstruction ()
virtual ~ReturnInstruction ()
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 ()
static Instructioncreate (InstructionSignature const &sig)

Protected Member Functions

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

Friends

class fennel::Calculator

Detailed Description

Definition at line 35 of file ReturnInstruction.h.


Constructor & Destructor Documentation

ReturnInstruction::ReturnInstruction (  )  [inline, explicit]

Definition at line 40 of file ReturnInstruction.h.

00040 {}

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

Definition at line 43 of file ReturnInstruction.h.

00043 {}


Member Function Documentation

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

Implements Instruction.

Definition at line 45 of file ReturnInstruction.h.

00045                                                  {
00046         // Force pc past end of program
00047         pc = TPROGRAMCOUNTERMAX;
00048     }

static const char* ReturnInstruction::longName (  )  [inline, static]

Definition at line 50 of file ReturnInstruction.h.

00051     {
00052         return "Return";
00053     }

static const char* ReturnInstruction::shortName (  )  [inline, static]

Definition at line 55 of file ReturnInstruction.h.

00056     {
00057         return "RETURN";
00058     }

static int ReturnInstruction::numArgs (  )  [inline, static]

Definition at line 60 of file ReturnInstruction.h.

00061     {
00062         return 0;
00063     }

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

Implements Instruction.

Definition at line 65 of file ReturnInstruction.h.

00065                                                   {
00066         out = longName();
00067     }

static InstructionSignature ReturnInstruction::signature (  )  [inline, static]

Definition at line 70 of file ReturnInstruction.h.

Referenced by ReturnInstructionRegister::registerInstructions().

00070                 {
00071         return InstructionSignature(shortName());
00072     }

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

Definition at line 75 of file ReturnInstruction.h.

References InstructionSignature::size().

Referenced by ReturnInstructionRegister::registerInstructions().

00076     {
00077         assert(sig.size() == numArgs());
00078         return new ReturnInstruction();
00079     }

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.


The documentation for this class was generated from the following file:
Generated on Mon Jun 22 04:00:45 2009 for Fennel by  doxygen 1.5.1