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// SPDX-FileCopyrightText: 2024 Himbeer <himbeer@disroot.org>
//
// SPDX-License-Identifier: GPL-3.0-or-later

package main

import "fmt"

type errAlreadyDeclared struct {
	name string
	line int
}

func (e errAlreadyDeclared) Error() string {
	return fmt.Sprintf("%d: redeclaration of %q\n", e.line, e.name)
}

type errUndeclared struct {
	name   string
	isFunc bool
	line   int
}

func (e errUndeclared) Error() string {
	kind := "variable"
	if e.isFunc {
		kind = "function"
	}

	return fmt.Sprintf("%d: undeclared %s %q\n", e.line, kind, e.name)
}

type errImmutable struct {
	name string
	line int
}

func (e errImmutable) Error() string {
	return fmt.Sprintf("%d: cannot assign to constant %q\n", e.line, e.name)
}