Add staticcheck tool

vendor/honnef.co/go/tools/simple/s1024/s1024.go

@@ -0,0 +1,55 @@
+package s1024
+
+import (
+	"go/ast"
+
+	"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/pattern"
+
+	"golang.org/x/tools/go/analysis"
+)
+
+var SCAnalyzer = lint.InitializeAnalyzer(&lint.Analyzer{
+	Analyzer: &analysis.Analyzer{
+		Name:     "S1024",
+		Run:      run,
+		Requires: append([]*analysis.Analyzer{generated.Analyzer}, code.RequiredAnalyzers...),
+	},
+	Doc: &lint.RawDocumentation{
+		Title: `Replace \'x.Sub(time.Now())\' with \'time.Until(x)\'`,
+		Text: `The \'time.Until\' helper has the same effect as using \'x.Sub(time.Now())\'
+but is easier to read.`,
+		Before:  `x.Sub(time.Now())`,
+		After:   `time.Until(x)`,
+		Since:   "2017.1",
+		MergeIf: lint.MergeIfAny,
+	},
+})
+
+var Analyzer = SCAnalyzer.Analyzer
+
+var (
+	checkTimeUntilQ = pattern.MustParse(`(CallExpr (Symbol "(time.Time).Sub") [(CallExpr (Symbol "time.Now") [])])`)
+	checkTimeUntilR = pattern.MustParse(`(CallExpr (SelectorExpr (Ident "time") (Ident "Until")) [arg])`)
+)
+
+func run(pass *analysis.Pass) (any, error) {
+	for node := range code.Matches(pass, checkTimeUntilQ) {
+		if sel, ok := node.(*ast.CallExpr).Fun.(*ast.SelectorExpr); ok {
+			r := pattern.NodeToAST(checkTimeUntilR.Root, map[string]any{"arg": sel.X}).(ast.Node)
+			report.Report(pass, node, "should use time.Until instead of t.Sub(time.Now())",
+				report.FilterGenerated(),
+				report.MinimumStdlibVersion("go1.8"),
+				report.Fixes(edit.Fix("Replace with call to time.Until", edit.ReplaceWithNode(pass.Fset, node, r))))
+		} else {
+			report.Report(pass, node, "should use time.Until instead of t.Sub(time.Now())",
+				report.MinimumStdlibVersion("go1.8"),
+				report.FilterGenerated())
+		}
+	}
+	return nil, nil
+}