51 lines
1.5 KiB
Java
51 lines
1.5 KiB
Java
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/*
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* Name: Mike Cifelli
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* Course: CIS 443 - Programming Languages
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* Assignment: Lisp Interpreter Phase 1 - Lexical Analysis
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*/
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package error;
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import java.text.MessageFormat;
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/**
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* <code>ErrorManager</code> is an error handling class for a Lisp interpreter.
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*/
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public class ErrorManager {
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/**
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* The lowest "criticality" level of an error that will cause the currently
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* running program to terminate.
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*/
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public static final int CRITICAL_LEVEL = 3;
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public static final String ANSI_RESET = "\u001B[0m";
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public static final String ANSI_RED = "\u001B[31m";
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public static final String ANSI_YELLOW = "\u001B[33m";
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public static final String ANSI_PURPLE = "\u001B[35m";
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/**
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* Prints out the specified error message to the console and decides
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* whether or not to terminate the currently running program.
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*
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* @param message
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* the error message
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* @param level
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* the "criticality" level of the error
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* @postcondition
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* If <code>level >= CRITICAL_LEVEL</code> the currently running
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* program has been terminated.
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*/
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public static void generateError(String message, int level) {
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String color = (level >= CRITICAL_LEVEL) ? ANSI_PURPLE : ANSI_RED;
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String formattedMessage = MessageFormat.format("{0}error: {1}{2}", color, message, ANSI_RESET);
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System.out.println(formattedMessage);
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if (level >= CRITICAL_LEVEL) {
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System.exit(1);
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}
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}
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}
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