generated from TrueCloudLab/basic
99 lines
2.5 KiB
Go
99 lines
2.5 KiB
Go
package noliteral
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import (
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"go/ast"
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astutils "git.frostfs.info/TrueCloudLab/linters/pkg/ast-utils"
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"github.com/mitchellh/mapstructure"
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"golang.org/x/tools/go/analysis"
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)
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const LinterName = "noliteral"
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var LogsAnalyzer = &analysis.Analyzer{
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Name: LinterName,
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Doc: LinterName + " is a helper tool that ensures logging messages in Go code are structured and not written as simple text.",
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Run: run,
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}
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type Configuration struct {
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TargetMethods []string `mapstructure:"target-methods"`
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DisablePackages []string `mapstructure:"disable-packages"`
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ConstantsPackage string `mapstructure:"constants-package"`
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Enable bool `mapstructure:"enable"`
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}
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var Config = Configuration{
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TargetMethods: []string{"Debug", "Info", "Warn", "Error"},
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}
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func New(conf any) (*analysis.Analyzer, error) {
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var config Configuration
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config.Enable = true
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err := mapstructure.Decode(conf, &config)
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if err != nil {
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Config.Enable = true
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return LogsAnalyzer, nil
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}
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Config.TargetMethods = append(Config.TargetMethods, config.TargetMethods...)
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Config.ConstantsPackage = config.ConstantsPackage
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Config.DisablePackages = config.DisablePackages
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Config.Enable = config.Enable
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return LogsAnalyzer, nil
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}
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func run(pass *analysis.Pass) (interface{}, error) {
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if !Config.Enable {
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return nil, nil
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}
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for _, file := range pass.Files {
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ast.Inspect(file, func(n ast.Node) bool {
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expr, ok := n.(*ast.CallExpr)
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if !ok {
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return true
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}
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isLog, _ := astutils.IsTargetMethod(expr.Fun, Config.TargetMethods)
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if !isLog || len(expr.Args) == 0 {
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return true
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}
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if !astutils.IsStringValue(expr.Args[0]) {
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alias, _ := astutils.GetAliasByPkgName(file, Config.ConstantsPackage)
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if Config.ConstantsPackage == "" || astutils.GetPackageName(expr.Args[0]) == alias || astutils.GetPackageName(expr.Args[0]) == "" {
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return true
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}
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for _, pkgName := range Config.DisablePackages {
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if pkgName == astutils.GetPackageName(expr.Args[0]) {
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return true
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}
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}
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pass.Report(analysis.Diagnostic{
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Pos: expr.Pos(),
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End: expr.End(),
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Category: LinterName,
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Message: "Wrong package for constants",
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SuggestedFixes: nil,
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})
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return true
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}
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pass.Report(analysis.Diagnostic{
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Pos: expr.Pos(),
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End: expr.End(),
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Category: LinterName,
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Message: "Literals are not allowed in the body of the logger",
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SuggestedFixes: nil,
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})
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return false
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})
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}
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return nil, nil
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}
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