Parser panic information is now more detailed

parser/parser.go

@@ -134,7 +134,13 @@ func (this *Parser) next () error {
 }
 
 func (this *Parser) bug () string {
-	return fmt.Sprintln("bug detected in the compiler! token:", this.token.Kind)
+	return fmt.Sprintln (
+		"Bug detected in the compiler!\n" +
+		"The parser has taken an unexpected control path.",
+		"This could be due to an un-implemented feature.\n" +
+		"Please submit a report with this info and stack trace to:",
+		"https://git.tebibyte.media/sashakoshka/fspl/issues\n" +
+		"The token being parsed was:", this.token.Kind)
 }
 
 func (this *Parser) kind () lexer.TokenKind {