Rename BorkError to TunkkiError

1 files changed, 61 insertions, 0 deletions

diff --git a/src/main/com/jantuomi/tunkki/exception/TunkkiError.java b/src/main/com/jantuomi/tunkki/exception/TunkkiError.java
new file mode 100644
index 0000000..b75398a
--- /dev/null
+++ b/src/main/com/jantuomi/tunkki/exception/TunkkiError.java
@@ -0,0 +1,61 @@
+package com.jantuomi.tunkki.exception;
+
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Created by jan on 12.6.2016.
+ */
+public class TunkkiError extends Exception {
+
+    public enum ExceptionType {
+        IllegalTokenError,
+        SyntaxError,
+        TypeError,
+        ArgumentError,
+        UndeclaredSymbolError,
+        IncludeError,
+        GeneralError
+    }
+
+    public static Map<ExceptionType, String> errorTexts = new HashMap<>();
+
+    static {
+        errorTexts.put(ExceptionType.IllegalTokenError, "Unknown or illegal token %s found.");
+        errorTexts.put(ExceptionType.SyntaxError, "Unexpected %s.");
+        errorTexts.put(ExceptionType.TypeError, "Incompatible types %s and %s.");
+        errorTexts.put(ExceptionType.ArgumentError, "The parameter list given to function %s is either of wrong length or the parameters are of wrong type. Actual: %s");
+        errorTexts.put(ExceptionType.UndeclaredSymbolError, "No symbol %s defined, parameters: [%s].");
+        errorTexts.put(ExceptionType.IncludeError, "File %s could not be included.");
+        errorTexts.put(ExceptionType.GeneralError, "%s");
+    }
+
+    private ExceptionType exceptionType;
+    private String completeMessage;
+
+    public TunkkiError(ExceptionType exceptionType, int line, String... args) {
+        super(exceptionType.toString(), null, false, false);
+        this.exceptionType = exceptionType;
+        this.completeMessage = formatMessage(exceptionType.toString() + ": " + what(exceptionType), line, args);
+    }
+
+    private static String formatMessage(String message, int line, String... args) {
+
+        message = String.format(message, args);
+        if (line == -1) {
+            return "\n" + message;
+        } else {
+            return String.format("\nline %d: ", line) + message;
+        }
+    }
+
+    public static String what(ExceptionType type) {
+        return errorTexts.get(type);
+    }
+
+    @Override
+    public void printStackTrace() {
+        System.err.println(completeMessage);
+    }
+}