Run all linters per package. It allows unloading package data when it's processed. It dramatically reduces memory (and CPU because of GC) usage. Relates: #337
		
			
				
	
	
		
			100 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			100 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package lintersdb
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import (
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	"fmt"
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	"strings"
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	"github.com/golangci/golangci-lint/pkg/config"
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)
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type Validator struct {
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	m *Manager
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}
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func NewValidator(m *Manager) *Validator {
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	return &Validator{
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		m: m,
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	}
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}
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func (v Validator) validateLintersNames(cfg *config.Linters) error {
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	allNames := append([]string{}, cfg.Enable...)
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	allNames = append(allNames, cfg.Disable...)
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	for _, name := range allNames {
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		if v.m.GetLinterConfigs(name) == nil {
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			return fmt.Errorf("no such linter %q", name)
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		}
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	}
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	return nil
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}
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func (v Validator) validatePresets(cfg *config.Linters) error {
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	allPresets := v.m.allPresetsSet()
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	for _, p := range cfg.Presets {
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		if !allPresets[p] {
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			return fmt.Errorf("no such preset %q: only next presets exist: (%s)",
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				p, strings.Join(v.m.AllPresets(), "|"))
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		}
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	}
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	if len(cfg.Presets) != 0 && cfg.EnableAll {
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		return fmt.Errorf("--presets is incompatible with --enable-all")
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	}
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	return nil
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}
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func (v Validator) validateAllDisableEnableOptions(cfg *config.Linters) error {
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	if cfg.EnableAll && cfg.DisableAll {
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		return fmt.Errorf("--enable-all and --disable-all options must not be combined")
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	}
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	if cfg.DisableAll {
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		if len(cfg.Enable) == 0 && len(cfg.Presets) == 0 {
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			return fmt.Errorf("all linters were disabled, but no one linter was enabled: must enable at least one")
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		}
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		if len(cfg.Disable) != 0 {
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			return fmt.Errorf("can't combine options --disable-all and --disable %s", cfg.Disable[0])
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		}
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	}
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	if cfg.EnableAll && len(cfg.Enable) != 0 && !cfg.Fast {
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		return fmt.Errorf("can't combine options --enable-all and --enable %s", cfg.Enable[0])
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	}
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	return nil
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}
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func (v Validator) validateDisabledAndEnabledAtOneMoment(cfg *config.Linters) error {
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	enabledLintersSet := map[string]bool{}
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	for _, name := range cfg.Enable {
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		enabledLintersSet[name] = true
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	}
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	for _, name := range cfg.Disable {
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		if enabledLintersSet[name] {
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			return fmt.Errorf("linter %q can't be disabled and enabled at one moment", name)
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		}
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	}
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	return nil
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}
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func (v Validator) validateEnabledDisabledLintersConfig(cfg *config.Linters) error {
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	validators := []func(cfg *config.Linters) error{
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		v.validateLintersNames,
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		v.validatePresets,
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		v.validateAllDisableEnableOptions,
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		v.validateDisabledAndEnabledAtOneMoment,
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	}
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	for _, v := range validators {
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		if err := v(cfg); err != nil {
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			return err
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		}
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	}
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	return nil
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}
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