Add staticcheck tool

2026-06-06 01:17:20 +00:00
parent 6fb63c8c90
commit ad58cd78ff
315 changed files with 56337 additions and 4 deletions
--- a/vendor/honnef.co/go/tools/stylecheck/st1013/st1013.go
+++ b/vendor/honnef.co/go/tools/stylecheck/st1013/st1013.go
@@ -0,0 +1,159 @@
+package st1013
+
+import (
+	"fmt"
+	"go/ast"
+	"go/constant"
+	"strconv"
+
+	"honnef.co/go/tools/analysis/code"
+	"honnef.co/go/tools/analysis/edit"
+	"honnef.co/go/tools/analysis/facts/generated"
+	"honnef.co/go/tools/analysis/lint"
+	"honnef.co/go/tools/analysis/report"
+	"honnef.co/go/tools/config"
+	"honnef.co/go/tools/pattern"
+
+	"golang.org/x/tools/go/analysis"
+)
+
+var SCAnalyzer = lint.InitializeAnalyzer(&lint.Analyzer{
+	Analyzer: &analysis.Analyzer{
+		Name:     "ST1013",
+		Run:      run,
+		Requires: append([]*analysis.Analyzer{generated.Analyzer, config.Analyzer}, code.RequiredAnalyzers...),
+	},
+	Doc: &lint.RawDocumentation{
+		Title: `Should use constants for HTTP error codes, not magic numbers`,
+		Text: `HTTP has a tremendous number of status codes. While some of those are
+well known (200, 400, 404, 500), most of them are not. The \'net/http\'
+package provides constants for all status codes that are part of the
+various specifications. It is recommended to use these constants
+instead of hard-coding magic numbers, to vastly improve the
+readability of your code.`,
+		Since:   "2019.1",
+		Options: []string{"http_status_code_whitelist"},
+		MergeIf: lint.MergeIfAny,
+	},
+})
+
+var Analyzer = SCAnalyzer.Analyzer
+
+var query = pattern.MustParse(`
+	(CallExpr
+		(Symbol
+			name@(Or
+			"net/http.Error"
+			"net/http.Redirect"
+			"net/http.StatusText"
+			"net/http.RedirectHandler"))
+		args)`)
+
+func run(pass *analysis.Pass) (any, error) {
+	whitelist := map[string]bool{}
+	for _, code := range config.For(pass).HTTPStatusCodeWhitelist {
+		whitelist[code] = true
+	}
+	for _, m := range code.Matches(pass, query) {
+		var arg int
+		switch m.State["name"].(string) {
+		case "net/http.Error":
+			arg = 2
+		case "net/http.Redirect":
+			arg = 3
+		case "net/http.StatusText":
+			arg = 0
+		case "net/http.RedirectHandler":
+			arg = 1
+		default:
+			continue
+		}
+		args := m.State["args"].([]ast.Expr)
+		if arg >= len(args) {
+			continue
+		}
+		tv, ok := code.IntegerLiteral(pass, args[arg])
+		if !ok {
+			continue
+		}
+		n, ok := constant.Int64Val(tv.Value)
+		if !ok {
+			continue
+		}
+		if whitelist[strconv.FormatInt(n, 10)] {
+			continue
+		}
+
+		s, ok := httpStatusCodes[n]
+		if !ok {
+			continue
+		}
+		lit := args[arg]
+		report.Report(pass, lit, fmt.Sprintf("should use constant http.%s instead of numeric literal %d", s, n),
+			report.FilterGenerated(),
+			report.Fixes(edit.Fix(fmt.Sprintf("Use http.%s instead of %d", s, n), edit.ReplaceWithString(lit, "http."+s))))
+	}
+	return nil, nil
+}
+
+var httpStatusCodes = map[int64]string{
+	100: "StatusContinue",
+	101: "StatusSwitchingProtocols",
+	102: "StatusProcessing",
+	200: "StatusOK",
+	201: "StatusCreated",
+	202: "StatusAccepted",
+	203: "StatusNonAuthoritativeInfo",
+	204: "StatusNoContent",
+	205: "StatusResetContent",
+	206: "StatusPartialContent",
+	207: "StatusMultiStatus",
+	208: "StatusAlreadyReported",
+	226: "StatusIMUsed",
+	300: "StatusMultipleChoices",
+	301: "StatusMovedPermanently",
+	302: "StatusFound",
+	303: "StatusSeeOther",
+	304: "StatusNotModified",
+	305: "StatusUseProxy",
+	307: "StatusTemporaryRedirect",
+	308: "StatusPermanentRedirect",
+	400: "StatusBadRequest",
+	401: "StatusUnauthorized",
+	402: "StatusPaymentRequired",
+	403: "StatusForbidden",
+	404: "StatusNotFound",
+	405: "StatusMethodNotAllowed",
+	406: "StatusNotAcceptable",
+	407: "StatusProxyAuthRequired",
+	408: "StatusRequestTimeout",
+	409: "StatusConflict",
+	410: "StatusGone",
+	411: "StatusLengthRequired",
+	412: "StatusPreconditionFailed",
+	413: "StatusRequestEntityTooLarge",
+	414: "StatusRequestURITooLong",
+	415: "StatusUnsupportedMediaType",
+	416: "StatusRequestedRangeNotSatisfiable",
+	417: "StatusExpectationFailed",
+	418: "StatusTeapot",
+	422: "StatusUnprocessableEntity",
+	423: "StatusLocked",
+	424: "StatusFailedDependency",
+	426: "StatusUpgradeRequired",
+	428: "StatusPreconditionRequired",
+	429: "StatusTooManyRequests",
+	431: "StatusRequestHeaderFieldsTooLarge",
+	451: "StatusUnavailableForLegalReasons",
+	500: "StatusInternalServerError",
+	501: "StatusNotImplemented",
+	502: "StatusBadGateway",
+	503: "StatusServiceUnavailable",
+	504: "StatusGatewayTimeout",
+	505: "StatusHTTPVersionNotSupported",
+	506: "StatusVariantAlsoNegotiates",
+	507: "StatusInsufficientStorage",
+	508: "StatusLoopDetected",
+	510: "StatusNotExtended",
+	511: "StatusNetworkAuthenticationRequired",
+}