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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 undeclaredKind int
const (
undeclaredVariable undeclaredKind = iota
undeclaredFunction
undeclaredType
)
func (u undeclaredKind) String() string {
switch u {
case undeclaredVariable:
return "variable"
case undeclaredFunction:
return "function"
case undeclaredType:
return "type"
default:
return "identifier"
}
}
type errUndeclared struct {
name string
kind undeclaredKind
line int
}
func (e errUndeclared) Error() string {
return fmt.Sprintf("%d: undeclared %s %q\n", e.line, e.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)
}
type errTypeMismatch struct {
expected, got cerType
line int
}
func (e errTypeMismatch) Error() string {
return fmt.Sprintf("%d: expected type %s, got %s", e.line, e.expected, e.got)
}
type errArgNumMismatch struct {
expected, got int
line int
}
func (e errArgNumMismatch) Error() string {
return fmt.Sprintf("%d: function expects %d arguments, got %d", e.line, e.expected, e.got)
}
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