exception.c File Reference

#include "exception.h"
#include "../defs.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

Data Structures
struct	exception_t

Macros
#define	INVALID_INSTRUCTION_EXCEPTION_MESSAGE   "An invalid instruction exists in the input file."
#define	TOO_MANY_LABELS_EXCEPTION_MESSAGE   "Too many labels are defined in the input file."
#define	STACK_OVERFLOW_EXCEPTION_MESSAGE   "A stack overflow occurred during execution."
#define	INVALID_ARGUMENT_EXCEPTION_MESSAGE   "An invalid instruction argument was given."
#define	DUPLICATE_LABEL_EXCEPTION_MESSAGE   "A label was defined multiple times."
#define	INVALID_SYMBOL_EXCEPTION_MESSAGE   "An invalid symbol exists in the input file."
#define	MEMORY_ALLOCATION_EXCEPTION_MESSAGE   "Failed to allocate memory."
#define	UNKNOWN_EXCEPTION_MESSAGE   "An unknown error has occurred."
#define	TOO_MANY_SYMBOLS_EXCEPTION_MESSAGE   "Too many symbols exist in the input file."
#define	LOAD_FILE_FAILURE_EXCEPTION_MESSAGE   "Failed to load file."
#define	FILE_TOO_BIG_EXCEPTION_MESSAGE   "The given file is too big."
#define	INVALID_COLOR_PALETTE_EXCEPTION_MESSAGE   "Invalid color palette."
#define	INVALID_QUIRK_EXCEPTION_MESSAGE   "Invalid quirk."
#define	FAILED_GRAPHICS_INITIALIZATION_EXCEPTION_MESSAGE   "Failed to initialize graphics."
#define	INVALID_FONT_EXCEPTION_MESSAGE   "Invalid font."
#define	INVALID_CLOCK_SPEED_EXCEPTION_MESSAGE   "Clock speed cannot be less than 1."
#define	STACK_UNDERFLOW_EXCEPTION_MESSAGE   "Stack underflow occurred during execution."

Functions
void	handle_exception (int code)

Variables
exception_t	exceptions []
char	c8_exception [BUFSIZ]

Detailed Description

Note

NOT EXPORTED

Stuff for handling exceptions.

Macro Definition Documentation

DUPLICATE_LABEL_EXCEPTION_MESSAGE

#define DUPLICATE_LABEL_EXCEPTION_MESSAGE   "A label was defined multiple times."

FAILED_GRAPHICS_INITIALIZATION_EXCEPTION_MESSAGE

#define FAILED_GRAPHICS_INITIALIZATION_EXCEPTION_MESSAGE   "Failed to initialize graphics."

FILE_TOO_BIG_EXCEPTION_MESSAGE

#define FILE_TOO_BIG_EXCEPTION_MESSAGE   "The given file is too big."

INVALID_ARGUMENT_EXCEPTION_MESSAGE

#define INVALID_ARGUMENT_EXCEPTION_MESSAGE   "An invalid instruction argument was given."

INVALID_CLOCK_SPEED_EXCEPTION_MESSAGE

#define INVALID_CLOCK_SPEED_EXCEPTION_MESSAGE   "Clock speed cannot be less than 1."

INVALID_COLOR_PALETTE_EXCEPTION_MESSAGE

#define INVALID_COLOR_PALETTE_EXCEPTION_MESSAGE   "Invalid color palette."

INVALID_FONT_EXCEPTION_MESSAGE

#define INVALID_FONT_EXCEPTION_MESSAGE   "Invalid font."

INVALID_INSTRUCTION_EXCEPTION_MESSAGE

#define INVALID_INSTRUCTION_EXCEPTION_MESSAGE   "An invalid instruction exists in the input file."

INVALID_QUIRK_EXCEPTION_MESSAGE

#define INVALID_QUIRK_EXCEPTION_MESSAGE   "Invalid quirk."

INVALID_SYMBOL_EXCEPTION_MESSAGE

#define INVALID_SYMBOL_EXCEPTION_MESSAGE   "An invalid symbol exists in the input file."

LOAD_FILE_FAILURE_EXCEPTION_MESSAGE

#define LOAD_FILE_FAILURE_EXCEPTION_MESSAGE   "Failed to load file."

MEMORY_ALLOCATION_EXCEPTION_MESSAGE

#define MEMORY_ALLOCATION_EXCEPTION_MESSAGE   "Failed to allocate memory."

STACK_OVERFLOW_EXCEPTION_MESSAGE

#define STACK_OVERFLOW_EXCEPTION_MESSAGE   "A stack overflow occurred during execution."

STACK_UNDERFLOW_EXCEPTION_MESSAGE

#define STACK_UNDERFLOW_EXCEPTION_MESSAGE   "Stack underflow occurred during execution."

TOO_MANY_LABELS_EXCEPTION_MESSAGE

#define TOO_MANY_LABELS_EXCEPTION_MESSAGE   "Too many labels are defined in the input file."

TOO_MANY_SYMBOLS_EXCEPTION_MESSAGE

#define TOO_MANY_SYMBOLS_EXCEPTION_MESSAGE   "Too many symbols exist in the input file."

UNKNOWN_EXCEPTION_MESSAGE

#define UNKNOWN_EXCEPTION_MESSAGE   "An unknown error has occurred."

Function Documentation

handle_exception()

void handle_exception

(

int

code

)

Variable Documentation

c8_exception

char c8_exception[BUFSIZ]

Message to print when calling handle_exception with a non-zero code

exceptions

exception_t exceptions[]

Initial value:

= {
    { INVALID_INSTRUCTION_EXCEPTION,  "An invalid instruction exists in the input file."  },
    { TOO_MANY_LABELS_EXCEPTION,  "Too many labels are defined in the input file."  },
    { STACK_OVERFLOW_EXCEPTION,  "A stack overflow occurred during execution."  },
    { INVALID_ARGUMENT_EXCEPTION,  "An invalid instruction argument was given."  },
    { DUPLICATE_LABEL_EXCEPTION,  "A label was defined multiple times."  },
    { INVALID_SYMBOL_EXCEPTION,  "An invalid symbol exists in the input file."  },
    { MEMORY_ALLOCATION_EXCEPTION,  "Failed to allocate memory."  },
    { UNKNOWN_EXCEPTION,  "An unknown error has occurred."  },
    { TOO_MANY_SYMBOLS_EXCEPTION,  "Too many symbols exist in the input file."  },
    { LOAD_FILE_FAILURE_EXCEPTION,  "Failed to load file."  },
    { FILE_TOO_BIG_EXCEPTION,  "The given file is too big."  },
    { INVALID_COLOR_PALETTE_EXCEPTION,  "Invalid color palette."  },
    { INVALID_QUIRK_EXCEPTION,  "Invalid quirk."  },
    { FAILED_GRAPHICS_INITIALIZATION_EXCEPTION,  "Failed to initialize graphics."  },
    { INVALID_FONT_EXCEPTION,  "Invalid font."  },
    { INVALID_CLOCK_SPEED_EXCEPTION,  "Clock speed cannot be less than 1."  },
    { STACK_UNDERFLOW_EXCEPTION,  "Stack underflow occurred during execution."  },
}