61 lines
1.5 KiB
Go
61 lines
1.5 KiB
Go
// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Package multichecker defines the main function for an analysis driver
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// with several analyzers. This package makes it easy for anyone to build
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// an analysis tool containing just the analyzers they need.
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package multichecker
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import (
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"flag"
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"fmt"
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"log"
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"os"
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"path/filepath"
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"strings"
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"golang.org/x/tools/go/analysis"
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"golang.org/x/tools/go/analysis/internal/analysisflags"
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"golang.org/x/tools/go/analysis/internal/checker"
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"golang.org/x/tools/go/analysis/unitchecker"
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)
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func Main(analyzers ...*analysis.Analyzer) {
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progname := filepath.Base(os.Args[0])
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log.SetFlags(0)
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log.SetPrefix(progname + ": ") // e.g. "vet: "
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if err := analysis.Validate(analyzers); err != nil {
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log.Fatal(err)
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}
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checker.RegisterFlags()
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analyzers = analysisflags.Parse(analyzers, true)
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args := flag.Args()
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if len(args) == 0 {
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fmt.Fprintf(os.Stderr, `%[1]s is a tool for static analysis of Go programs.
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Usage: %[1]s [-flag] [package]
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Run '%[1]s help' for more detail,
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or '%[1]s help name' for details and flags of a specific analyzer.
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`, progname)
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os.Exit(1)
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}
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if args[0] == "help" {
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analysisflags.Help(progname, analyzers, args[1:])
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os.Exit(0)
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}
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if len(args) == 1 && strings.HasSuffix(args[0], ".cfg") {
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unitchecker.Run(args[0], analyzers)
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panic("unreachable")
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}
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os.Exit(checker.Run(args, analyzers))
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}
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