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package main
import "fmt"
type expected struct {
want tokenKind
got token
}
func (e expected) Error() string {
return fmt.Sprintf("%d: expected %s, got %s", e.got.line, e.want, e.got)
}
type expectedToplevel struct {
got token
}
func (e expectedToplevel) Error() string {
return fmt.Sprintf("%d: expected top-level declaration, got %s", e.got.line, e.got)
}
type expectedStatement struct {
got token
}
func (e expectedStatement) Error() string {
return fmt.Sprintf("%d: expected statement, got %s", e.got.line, e.got)
}
type expectedUnaryOperand struct {
got token
}
func (e expectedUnaryOperand) Error() string {
return fmt.Sprintf("%d: expected unary operand, got %s", e.got.line, e.got)
}
type expectedPrimary struct {
got token
}
func (e expectedPrimary) Error() string {
return fmt.Sprintf("%d: expected primary expression, got %s", e.got.line, e.got)
}
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