errors.go

// Copyright 2012 Yuichi Araki. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package yall

import "strings"

type SyntaxError struct {
	message string
}

func NewSyntaxError(message string) *SyntaxError {
	return &SyntaxError{message}
}

func (serr *SyntaxError) String() string {
	return serr.message
}

func (serr *SyntaxError) Error() string {
	return serr.message
}

func isString(s string) bool {
	return strings.HasPrefix(s, "\"") && strings.HasSuffix(s, "\"")
}

type RuntimeError struct {
	message string
}

func NewRuntimeError(message string) *RuntimeError {
	return &RuntimeError{message}
}

func (err *RuntimeError) String() string {
	return "*** ERROR: " + err.message
}

func (err *RuntimeError) Error() string {
	return "*** ERROR: " + err.message
}