164 lines
4.0 KiB
Go

package linter
import (
"fmt"
"golang.org/x/tools/go/packages"
"github.com/golangci/golangci-lint/pkg/config"
)
const (
PresetBugs = "bugs" // Related to bugs detection.
PresetComment = "comment" // Related to comments analysis.
PresetComplexity = "complexity" // Related to code complexity analysis.
PresetError = "error" // Related to error handling analysis.
PresetFormatting = "format" // Related to code formatting.
PresetImport = "import" // Related to imports analysis.
PresetMetaLinter = "metalinter" // Related to linter that contains multiple rules or multiple linters.
PresetModule = "module" // Related to Go modules analysis.
PresetPerformance = "performance" // Related to performance.
PresetSQL = "sql" // Related to SQL.
PresetStyle = "style" // Related to coding style.
PresetTest = "test" // Related to the analysis of the code of the tests.
PresetUnused = "unused" // Related to the detection of unused code.
)
// LastLinter nolintlint must be last because it looks at the results of all the previous linters for unused nolint directives.
const LastLinter = "nolintlint"
type Deprecation struct {
Since string
Message string
Replacement string
}
type Config struct {
Linter Linter
EnabledByDefault bool
LoadMode packages.LoadMode
InPresets []string
AlternativeNames []string
OriginalURL string // URL of original (not forked) repo, needed for autogenerated README
Internal bool // Internal linters cannot be disabled (ex: typecheck).
CanAutoFix bool
IsSlow bool
DoesChangeTypes bool
Since string
Deprecation *Deprecation
}
func (lc *Config) WithEnabledByDefault() *Config {
lc.EnabledByDefault = true
return lc
}
func (lc *Config) WithInternal() *Config {
lc.Internal = true
return lc
}
func (lc *Config) ConsiderSlow() *Config {
lc.IsSlow = true
return lc
}
func (lc *Config) IsSlowLinter() bool {
return lc.IsSlow
}
func (lc *Config) WithLoadFiles() *Config {
lc.LoadMode |= packages.NeedName | packages.NeedFiles | packages.NeedCompiledGoFiles
return lc
}
func (lc *Config) WithLoadForGoAnalysis() *Config {
lc = lc.WithLoadFiles()
lc.LoadMode |= packages.NeedImports | packages.NeedDeps | packages.NeedExportFile | packages.NeedTypesSizes
lc.IsSlow = true
return lc
}
func (lc *Config) WithPresets(presets ...string) *Config {
lc.InPresets = presets
return lc
}
func (lc *Config) WithURL(url string) *Config {
lc.OriginalURL = url
return lc
}
func (lc *Config) WithAlternativeNames(names ...string) *Config {
lc.AlternativeNames = names
return lc
}
func (lc *Config) WithAutoFix() *Config {
lc.CanAutoFix = true
return lc
}
func (lc *Config) WithChangeTypes() *Config {
lc.DoesChangeTypes = true
return lc
}
func (lc *Config) WithSince(version string) *Config {
lc.Since = version
return lc
}
func (lc *Config) Deprecated(message, version, replacement string) *Config {
lc.Deprecation = &Deprecation{
Since: version,
Message: message,
Replacement: replacement,
}
return lc
}
func (lc *Config) IsDeprecated() bool {
return lc.Deprecation != nil
}
func (lc *Config) AllNames() []string {
return append([]string{lc.Name()}, lc.AlternativeNames...)
}
func (lc *Config) Name() string {
return lc.Linter.Name()
}
func (lc *Config) WithNoopFallback(cfg *config.Config, cond func(cfg *config.Config) error) *Config {
if err := cond(cfg); err != nil {
lc.Linter = NewNoop(lc.Linter, err.Error())
lc.LoadMode = 0
return lc.WithLoadFiles()
}
return lc
}
func IsGoLowerThanGo122() func(cfg *config.Config) error {
return func(cfg *config.Config) error {
if cfg == nil || config.IsGoGreaterThanOrEqual(cfg.Run.Go, "1.22") {
return nil
}
return fmt.Errorf("this linter is disabled because the Go version (%s) of your project is lower than Go 1.22", cfg.Run.Go)
}
}
func NewConfig(linter Linter) *Config {
lc := &Config{
Linter: linter,
}
return lc.WithLoadFiles()
}