76 lines
1.7 KiB
C
76 lines
1.7 KiB
C
/*
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abCError.c
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By: Jeremy Rand
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "abCError.h"
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static char *gErrorStrings[abCalcErrorTypeMax];
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static abCalcErrorType gCurrErrorType = abCalcNoError;
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static char *gCurrErrorOpName = NULL;
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char gErrorBuffer[128];
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void abCalcErrorInit(void)
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{
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gErrorStrings[abCalcNoError] = NULL;
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gErrorStrings[abCalcSyntaxError] = "Syntax Error";
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gErrorStrings[abCalcBadArgTypeError] = "Bad Argument Type";
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gErrorStrings[abCalcBadArgValueError] = "Bad Argument Value";
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gErrorStrings[abCalcTooFewArgsError] = "Too Few Arguments";
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gErrorStrings[abCalcStackFullError] = "Stack Full";
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gErrorStrings[abCalcInfiniteResultError] = "Infinite Result";
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gErrorStrings[abCalcComplexResultError] = "Complex Result";
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}
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void abCalcRaiseError(abCalcErrorType type, char *opName)
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{
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if ((type < abCalcErrorTypeMin) ||
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(type >= abCalcErrorTypeMax))
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return;
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if (gCurrErrorType == abCalcNoError) {
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gCurrErrorType = type;
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gCurrErrorOpName = opName;
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}
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}
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char *abCalcGetError(void)
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{
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char *errorString;
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if ((gCurrErrorType < abCalcErrorTypeMin) ||
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(gCurrErrorType >= abCalcErrorTypeMax))
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return NULL;
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errorString = gErrorStrings[gCurrErrorType];
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if (errorString == NULL)
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return NULL;
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if (gCurrErrorOpName != NULL) {
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sprintf(gErrorBuffer, "%s Error: %s", gCurrErrorOpName, gErrorStrings[gCurrErrorType]);
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} else {
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sprintf(gErrorBuffer, "Error: %s", gErrorStrings[gCurrErrorType]);
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}
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return gErrorBuffer;
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}
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void abCalcClearError(void)
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{
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gCurrErrorType = abCalcNoError;
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gCurrErrorOpName = NULL;
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}
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