crepl

An intuitive calculator REPL.
git clone git://git.knutsen.co/crepl
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error.c (776B)

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#include "error.h"

#include <stdio.h>
#include <string.h>

const char *error_name(error_t err)
{
	switch (err) {
	case NO_ERROR:
		return "IMPROPERLY REPORTED ERROR";
	case SYNTAX_ERROR:
		return "Syntax Error";
	case PARSE_ERROR:
		return "Grammar Error";
	case TYPE_ERROR:
		return "Type Error";
	case EXECUTION_ERROR:
		return "Error while executing";
	default:
		return "UNKNOWN ERROR";
	}
}

#define DEFAULT_ERROR_MSG "No errors reported."

error_t ERROR_TYPE = NO_ERROR;
char ERROR_MSG[256] = DEFAULT_ERROR_MSG;

void handle_error()
{
	if (ERROR_TYPE == NO_ERROR)
		return;
	// Display error.
	fprintf(stderr, "\033[31;1m%s\033[0m: %s\n",
		error_name(ERROR_TYPE),
		ERROR_MSG);
	// Reset error values.
	ERROR_TYPE = NO_ERROR;
	strcpy(ERROR_MSG, DEFAULT_ERROR_MSG);
}