clerk: internal/linter/rule_unused

clerk/internal/linter/rule_unused_account.go (view raw)

Oleksandr Smirnov lint: add unused-account rule, 19 days ago

package linter

import (
	"fmt"

	"olexsmir.xyz/clerk/journal/semantic"
)

// UnusedAccount flags declared accounts that are not used.
type UnusedAccount struct{}

func (UnusedAccount) ID() RuleID         { return "unused-account" }
func (UnusedAccount) Severity() Severity { return SeverityWarning }
func (a *UnusedAccount) CheckJournal(ctx *semantic.Context) []Find {
	var finds []Find
	for name, info := range ctx.Accounts {
		if len(info.Directives) == 0 {
			continue
		}
		if len(info.Usages) > 0 {
			continue
		}
		for _, d := range info.Directives {
			finds = append(finds, Find{
				Code:     a.ID(),
				Severity: a.Severity(),
				Span:     d.Account.Span,
				Message:  fmt.Sprintf("unused account: %s", name),
			})
		}
	}
	return finds
}

1	package linter
2
3	import (
4	"fmt"
5
6	"olexsmir.xyz/clerk/journal/semantic"
7	)
8
9	// UnusedAccount flags declared accounts that are not used.
10	type UnusedAccount struct{}
11
12	func (UnusedAccount) ID() RuleID { return "unused-account" }
13	func (UnusedAccount) Severity() Severity { return SeverityWarning }
14	func (a UnusedAccount) CheckJournal(ctx semantic.Context) []Find {
15	var finds []Find
16	for name, info := range ctx.Accounts {
17	if len(info.Directives) == 0 {
18	continue
19	}
20	if len(info.Usages) > 0 {
21	continue
22	}
23	for _, d := range info.Directives {
24	finds = append(finds, Find{
25	Code: a.ID(),
26	Severity: a.Severity(),
27	Span: d.Account.Span,
28	Message: fmt.Sprintf("unused account: %s", name),
29	})
30	}
31	}
32	return finds
33	}