vendor: delete

1 files changed, 0 insertions, 191 deletions

diff --git a/vendor/github.com/charithe/durationcheck/durationcheck.go b/vendor/github.com/charithe/durationcheck/durationcheck.go
deleted file mode 100644
index c47b3a761..000000000
--- a/vendor/github.com/charithe/durationcheck/durationcheck.go
+++ /dev/null
@@ -1,191 +0,0 @@
-package durationcheck
-
-import (
-	"bytes"
-	"fmt"
-	"go/ast"
-	"go/format"
-	"go/token"
-	"go/types"
-	"log"
-	"os"
-
-	"golang.org/x/tools/go/analysis"
-	"golang.org/x/tools/go/analysis/passes/inspect"
-	"golang.org/x/tools/go/ast/inspector"
-)
-
-var Analyzer = &analysis.Analyzer{
-	Name:     "durationcheck",
-	Doc:      "check for two durations multiplied together",
-	Run:      run,
-	Requires: []*analysis.Analyzer{inspect.Analyzer},
-}
-
-func run(pass *analysis.Pass) (interface{}, error) {
-	// if the package does not import time, it can be skipped from analysis
-	if !hasImport(pass.Pkg, "time") {
-		return nil, nil
-	}
-
-	inspect := pass.ResultOf[inspect.Analyzer].(*inspector.Inspector)
-
-	nodeTypes := []ast.Node{
-		(*ast.BinaryExpr)(nil),
-	}
-
-	inspect.Preorder(nodeTypes, check(pass))
-
-	return nil, nil
-}
-
-func hasImport(pkg *types.Package, importPath string) bool {
-	for _, imp := range pkg.Imports() {
-		if imp.Path() == importPath {
-			return true
-		}
-	}
-
-	return false
-}
-
-// check contains the logic for checking that time.Duration is used correctly in the code being analysed
-func check(pass *analysis.Pass) func(ast.Node) {
-	return func(node ast.Node) {
-		expr := node.(*ast.BinaryExpr)
-		// we are only interested in multiplication
-		if expr.Op != token.MUL {
-			return
-		}
-
-		// get the types of the two operands
-		x, xOK := pass.TypesInfo.Types[expr.X]
-		y, yOK := pass.TypesInfo.Types[expr.Y]
-
-		if !xOK || !yOK {
-			return
-		}
-
-		if isDuration(x.Type) && isDuration(y.Type) {
-			// check that both sides are acceptable expressions
-			if isUnacceptableExpr(pass, expr.X) && isUnacceptableExpr(pass, expr.Y) {
-				pass.Reportf(expr.Pos(), "Multiplication of durations: `%s`", formatNode(expr))
-			}
-		}
-	}
-}
-
-func isDuration(x types.Type) bool {
-	return x.String() == "time.Duration" || x.String() == "*time.Duration"
-}
-
-// isUnacceptableExpr returns true if the argument is not an acceptable time.Duration expression
-func isUnacceptableExpr(pass *analysis.Pass, expr ast.Expr) bool {
-	switch e := expr.(type) {
-	case *ast.BasicLit:
-		return false
-	case *ast.Ident:
-		return !isAcceptableNestedExpr(pass, e)
-	case *ast.CallExpr:
-		return !isAcceptableCast(pass, e)
-	case *ast.BinaryExpr:
-		return !isAcceptableNestedExpr(pass, e)
-	case *ast.UnaryExpr:
-		return !isAcceptableNestedExpr(pass, e)
-	case *ast.SelectorExpr:
-		return !isAcceptableNestedExpr(pass, e)
-	case *ast.StarExpr:
-		return !isAcceptableNestedExpr(pass, e)
-	case *ast.ParenExpr:
-		return !isAcceptableNestedExpr(pass, e)
-	case *ast.IndexExpr:
-		return !isAcceptableNestedExpr(pass, e)
-	default:
-		return true
-	}
-}
-
-// isAcceptableCast returns true if the argument is an acceptable expression cast to time.Duration
-func isAcceptableCast(pass *analysis.Pass, e *ast.CallExpr) bool {
-	// check that there's a single argument
-	if len(e.Args) != 1 {
-		return false
-	}
-
-	// check that the argument is acceptable
-	if !isAcceptableNestedExpr(pass, e.Args[0]) {
-		return false
-	}
-
-	// check for time.Duration cast
-	selector, ok := e.Fun.(*ast.SelectorExpr)
-	if !ok {
-		return false
-	}
-
-	return isDurationCast(selector)
-}
-
-func isDurationCast(selector *ast.SelectorExpr) bool {
-	pkg, ok := selector.X.(*ast.Ident)
-	if !ok {
-		return false
-	}
-
-	if pkg.Name != "time" {
-		return false
-	}
-
-	return selector.Sel.Name == "Duration"
-}
-
-func isAcceptableNestedExpr(pass *analysis.Pass, n ast.Expr) bool {
-	switch e := n.(type) {
-	case *ast.BasicLit:
-		return true
-	case *ast.BinaryExpr:
-		return isAcceptableNestedExpr(pass, e.X) && isAcceptableNestedExpr(pass, e.Y)
-	case *ast.UnaryExpr:
-		return isAcceptableNestedExpr(pass, e.X)
-	case *ast.Ident:
-		return isAcceptableIdent(pass, e)
-	case *ast.CallExpr:
-		if isAcceptableCast(pass, e) {
-			return true
-		}
-		t := pass.TypesInfo.TypeOf(e)
-		return !isDuration(t)
-	case *ast.SelectorExpr:
-		return isAcceptableNestedExpr(pass, e.X) && isAcceptableIdent(pass, e.Sel)
-	case *ast.StarExpr:
-		return isAcceptableNestedExpr(pass, e.X)
-	case *ast.ParenExpr:
-		return isAcceptableNestedExpr(pass, e.X)
-	case *ast.IndexExpr:
-		t := pass.TypesInfo.TypeOf(e)
-		return !isDuration(t)
-	default:
-		return false
-	}
-}
-
-func isAcceptableIdent(pass *analysis.Pass, ident *ast.Ident) bool {
-	obj := pass.TypesInfo.ObjectOf(ident)
-	return !isDuration(obj.Type())
-}
-
-func formatNode(node ast.Node) string {
-	buf := new(bytes.Buffer)
-	if err := format.Node(buf, token.NewFileSet(), node); err != nil {
-		log.Printf("Error formatting expression: %v", err)
-		return ""
-	}
-
-	return buf.String()
-}
-
-func printAST(msg string, node ast.Node) {
-	fmt.Printf(">>> %s:\n%s\n\n\n", msg, formatNode(node))
-	ast.Fprint(os.Stdout, nil, node, nil)
-	fmt.Println("--------------")
-}