Add staticcheck tool

vendor/honnef.co/go/tools/simple/s1006/s1006.go

@@ -0,0 +1,46 @@
+package s1006
+
+import (
+	"go/ast"
+
+	"honnef.co/go/tools/analysis/code"
+	"honnef.co/go/tools/analysis/facts/generated"
+	"honnef.co/go/tools/analysis/lint"
+	"honnef.co/go/tools/analysis/report"
+
+	"golang.org/x/tools/go/analysis"
+	"golang.org/x/tools/go/analysis/passes/inspect"
+)
+
+var SCAnalyzer = lint.InitializeAnalyzer(&lint.Analyzer{
+	Analyzer: &analysis.Analyzer{
+		Name:     "S1006",
+		Run:      run,
+		Requires: []*analysis.Analyzer{inspect.Analyzer, generated.Analyzer},
+	},
+	Doc: &lint.RawDocumentation{
+		Title:   `Use \"for { ... }\" for infinite loops`,
+		Text:    `For infinite loops, using \'for { ... }\' is the most idiomatic choice.`,
+		Since:   "2017.1",
+		MergeIf: lint.MergeIfAny,
+	},
+})
+
+var Analyzer = SCAnalyzer.Analyzer
+
+func run(pass *analysis.Pass) (any, error) {
+	fn := func(node ast.Node) {
+		loop := node.(*ast.ForStmt)
+		if loop.Init != nil || loop.Post != nil {
+			return
+		}
+		if !code.IsBoolConst(pass, loop.Cond) || !code.BoolConst(pass, loop.Cond) {
+			return
+		}
+		report.Report(pass, loop, "should use for {} instead of for true {}",
+			report.ShortRange(),
+			report.FilterGenerated())
+	}
+	code.Preorder(pass, fn, (*ast.ForStmt)(nil))
+	return nil, nil
+}