Exception Class Reference

#include <myexcept.h>

Inheritance diagram for Exception:

[legend]

Public Member Functions
	Exception (const char *a_what=0)
Static Public Member Functions
void	AddMessage (const char *a_what)
void	AddInt (int value)
const char *	what ()
Static Public Attributes
unsigned long	Select
Static Protected Attributes
char *	what_error
int	SoFar
int	LastOne

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Constructor & Destructor Documentation

Exception::Exception (  const char *  a_what = 0  )

Definition at line 47 of file myexcept.cpp. References AddMessage(), Tracer::AddTrace(), LastOne, Select, SoFar, and what_error. { Select++; SoFar = 0; if (!what_error) // make space for exception message { LastOne = 511; what_error = new char[512]; if (!what_error) // fail to make space { LastOne = 0; what_error = "No heap space for exception message\n"; } } AddMessage("\n\nAn exception has been thrown\n"); AddMessage(a_what); if (a_what) Tracer::AddTrace(); }

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Member Function Documentation

void Exception::AddInt (  int  value  )  [static]

Definition at line 80 of file myexcept.cpp. References AddMessage(), LastOne, SoFar, and what_error. { bool negative; if (value == 0) { AddMessage("0"); return; } else if (value < 0) { value = -value; negative = true; } else negative = false; int n = 0; int v = value; // how many digits will we need? while (v > 0) { v /= 10; n++; } if (negative) n++; if (LastOne-SoFar < n) { AddMessage("***"); return; } SoFar += n; n = SoFar; what_error[n] = 0; while (value > 0) { int nv = value / 10; int rm = value - nv * 10; value = nv; what_error[--n] = (char)(rm + '0'); } if (negative) what_error[--n] = '-'; return; }

void Exception::AddMessage (  const char *  a_what  )  [static]

Definition at line 65 of file myexcept.cpp. References LastOne, SoFar, and what_error. Referenced by AddInt(), Tracer::AddTrace(), Bad_alloc::Bad_alloc(), Bad_cast::Bad_cast(), Bad_typeid::Bad_typeid(), Domain_error::Domain_error(), Exception(), Invalid_argument::Invalid_argument(), Length_error::Length_error(), Logic_error::Logic_error(), Out_of_range::Out_of_range(), Overflow_error::Overflow_error(), Range_error::Range_error(), and Runtime_error::Runtime_error(). { if (a_what) { int l = strlen(a_what); int r = LastOne - SoFar; if (l < r) { strcpy(what_error+SoFar, a_what); SoFar += l; } else if (r > 0) { strncpy(what_error+SoFar, a_what, r); what_error[LastOne] = 0; SoFar = LastOne; } } }

const char* Exception::what (   )  [inline, static]

Definition at line 81 of file myexcept.h. Referenced by Terminate(). { return what_error; }

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Field Documentation

int Exception::LastOne [static, protected]

Definition at line 45 of file myexcept.cpp. Referenced by AddInt(), AddMessage(), and Exception().

unsigned long Exception::Select [static]

Reimplemented in Logic_error, Runtime_error, Domain_error, Invalid_argument, Length_error, Out_of_range, Bad_cast, Bad_typeid, Range_error, Overflow_error, and Bad_alloc. Definition at line 42 of file myexcept.cpp. Referenced by Bad_alloc::Bad_alloc(), Bad_cast::Bad_cast(), Bad_typeid::Bad_typeid(), Domain_error::Domain_error(), Exception(), Invalid_argument::Invalid_argument(), Length_error::Length_error(), Logic_error::Logic_error(), Out_of_range::Out_of_range(), Overflow_error::Overflow_error(), Range_error::Range_error(), and Runtime_error::Runtime_error().

int Exception::SoFar [static, protected]

Definition at line 44 of file myexcept.cpp. Referenced by AddInt(), AddMessage(), and Exception().

char * Exception::what_error [static, protected]

Definition at line 43 of file myexcept.cpp. Referenced by AddInt(), AddMessage(), and Exception().

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The documentation for this class was generated from the following files:

• myexcept.h
• myexcept.cpp

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