From fcc6d71be2c3ce7d9305c04fc2e87af554571bac Mon Sep 17 00:00:00 2001 From: Dmitry Vyukov Date: Mon, 22 Feb 2021 20:37:25 +0100 Subject: go.mod: update golangci-lint to v1.37 --- vendor/github.com/fzipp/gocyclo/complexity.go | 48 +++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 vendor/github.com/fzipp/gocyclo/complexity.go (limited to 'vendor/github.com/fzipp/gocyclo/complexity.go') diff --git a/vendor/github.com/fzipp/gocyclo/complexity.go b/vendor/github.com/fzipp/gocyclo/complexity.go new file mode 100644 index 000000000..65f5077e8 --- /dev/null +++ b/vendor/github.com/fzipp/gocyclo/complexity.go @@ -0,0 +1,48 @@ +// Copyright 2020 Frederik Zipp. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package gocyclo calculates the cyclomatic complexities of functions and +// methods in Go source code. +package gocyclo + +import ( + "go/ast" + "go/token" +) + +// Complexity calculates the cyclomatic complexity of a function. +// The 'fn' node is either a *ast.FuncDecl or a *ast.FuncLit. +func Complexity(fn ast.Node) int { + v := complexityVisitor{ + complexity: 1, + } + ast.Walk(&v, fn) + return v.complexity +} + +type complexityVisitor struct { + // complexity is the cyclomatic complexity + complexity int +} + +// Visit implements the ast.Visitor interface. +func (v *complexityVisitor) Visit(n ast.Node) ast.Visitor { + switch n := n.(type) { + case *ast.IfStmt, *ast.ForStmt, *ast.RangeStmt: + v.complexity++ + case *ast.CaseClause: + if n.List != nil { // ignore default case + v.complexity++ + } + case *ast.CommClause: + if n.Comm != nil { // ignore default case + v.complexity++ + } + case *ast.BinaryExpr: + if n.Op == token.LAND || n.Op == token.LOR { + v.complexity++ + } + } + return v +} -- cgit mrf-deployment