1 files changed, 74 insertions, 0 deletions
diff --git a/vendor/github.com/Djarvur/go-err113/definition.go b/vendor/github.com/Djarvur/go-err113/definition.go
new file mode 100644
index 000000000..79201c929
--- /dev/null
+++ b/vendor/github.com/Djarvur/go-err113/definition.go
@@ -0,0 +1,74 @@
+package err113
+
+import (
+	"go/ast"
+	"go/types"
+	"strings"
+
+	"golang.org/x/tools/go/analysis"
+)
+
+var methods2check = map[string]map[string]func(*ast.CallExpr, *types.Info) bool{ // nolint: gochecknoglobals
+	"errors": {"New": justTrue},
+	"fmt":    {"Errorf": checkWrap},
+}
+
+func justTrue(*ast.CallExpr, *types.Info) bool {
+	return true
+}
+
+func checkWrap(ce *ast.CallExpr, info *types.Info) bool {
+	return !(len(ce.Args) > 0 && strings.Contains(toString(ce.Args[0], info), `%w`))
+}
+
+func inspectDefinition(pass *analysis.Pass, tlds map[*ast.CallExpr]struct{}, n ast.Node) bool { //nolint: unparam
+	// check whether the call expression matches time.Now().Sub()
+	ce, ok := n.(*ast.CallExpr)
+	if !ok {
+		return true
+	}
+
+	if _, ok = tlds[ce]; ok {
+		return true
+	}
+
+	fn, ok := ce.Fun.(*ast.SelectorExpr)
+	if !ok {
+		return true
+	}
+
+	fxName, ok := asImportedName(fn.X, pass.TypesInfo)
+	if !ok {
+		return true
+	}
+
+	methods, ok := methods2check[fxName]
+	if !ok {
+		return true
+	}
+
+	checkFunc, ok := methods[fn.Sel.Name]
+	if !ok {
+		return true
+	}
+
+	if !checkFunc(ce, pass.TypesInfo) {
+		return true
+	}
+
+	pass.Reportf(
+		ce.Pos(),
+		"do not define dynamic errors, use wrapped static errors instead: %q",
+		render(pass.Fset, ce),
+	)
+
+	return true
+}
+
+func toString(ex ast.Expr, info *types.Info) string {
+	if tv, ok := info.Types[ex]; ok && tv.Value != nil {
+		return tv.Value.String()
+	}
+
+	return ""
+}