RaiseInstruction Class Reference

Add a warning/exception to the message queue. More...

#include <ReturnInstruction.h>

Inheritance diagram for RaiseInstruction:

Instruction List of all members.

Public Member Functions

 RaiseInstruction (RegisterRef< char * > *code)
virtual ~RaiseInstruction ()
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

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

Private Attributes

RegisterRef< char * > * mCode

Friends

class fennel::Calculator

Detailed Description

Add a warning/exception to the message queue.

Code is expected to be a valid SQL99 error code, eg, 22011, or a valid extension thereof. When code is NULL, an exception is not raised- becomes a no-op. Note: instruction does not terminate execution.

Definition at line 88 of file ReturnInstruction.h.

Constructor & Destructor Documentation

RaiseInstruction::RaiseInstruction ( RegisterRef< char * > *  code  )  [inline, explicit]

Definition at line 93 of file ReturnInstruction.h.

00093                                                :
00094         mCode(code)
00095     {}

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

Definition at line 98 of file ReturnInstruction.h.

00098 {}

Member Function Documentation

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

Implements Instruction.

Definition at line 100 of file ReturnInstruction.h.

00100                                                  {
00101         pc++;
00102         if (!mCode->isNull()) {
00103             throw CalcMessage(mCode->pointer(), pc - 1);
00104         }
00105     }

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

Definition at line 107 of file ReturnInstruction.h.

00108     {
00109         return "Raise";
00110     }

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

Definition at line 112 of file ReturnInstruction.h.

00113     {
00114         return "RAISE";
00115     }

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

Definition at line 117 of file ReturnInstruction.h.

00118     {
00119         return 1;
00120     }

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

Implements Instruction.

Definition at line 122 of file ReturnInstruction.h.

00122                                                   {
00123         out = longName();
00124     }

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

Definition at line 127 of file ReturnInstruction.h.

00127                                                   {
00128         vector<StandardTypeDescriptorOrdinal> v(numArgs(), type);
00129         return InstructionSignature(shortName(), v);
00130     }

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

Definition at line 133 of file ReturnInstruction.h.

References InstructionSignature::size().

00134     {
00135         assert(sig.size() == numArgs());
00136         return new
00137             RaiseInstruction(static_cast<RegisterRef<char*>*> (sig[0]));
00138     }

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

RegisterRef<char*>* RaiseInstruction::mCode [private]

Definition at line 140 of file ReturnInstruction.h.

The documentation for this class was generated from the following file:
Generated on Mon Jun 22 04:00:44 2009 for Fennel by  doxygen 1.5.1