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Published: Jan 4, 2023 License: BSD-3-Clause Imports: 24 Imported by: 193



The unitchecker package defines the main function for an analysis driver that analyzes a single compilation unit during a build. It is invoked by a build system such as "go vet":

$ go vet -vettool=$(which vet)

It supports the following command-line protocol:

-V=full         describe executable               (to the build tool)
-flags          describe flags                    (to the build tool)
foo.cfg         description of compilation unit (from the build tool)

This package does not depend on go/packages. If you need a standalone tool, use multichecker, which supports this mode but can also load packages from source using go/packages.



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func Main

func Main(analyzers ...*analysis.Analyzer)

Main is the main function of a vet-like analysis tool that must be invoked by a build system to analyze a single package.

The protocol required by 'go vet -vettool=...' is that the tool must support:

-flags          describe flags in JSON
-V=full         describe executable for build caching
foo.cfg         perform separate modular analyze on the single
                unit described by a JSON config file foo.cfg.

func Run

func Run(configFile string, analyzers []*analysis.Analyzer)

Run reads the *.cfg file, runs the analysis, and calls os.Exit with an appropriate error code. It assumes flags have already been set.


type Config

type Config struct {
	ID                        string // e.g. "fmt [fmt.test]"
	Compiler                  string
	Dir                       string
	ImportPath                string
	GoFiles                   []string
	NonGoFiles                []string
	IgnoredFiles              []string
	ImportMap                 map[string]string
	PackageFile               map[string]string
	Standard                  map[string]bool
	PackageVetx               map[string]string
	VetxOnly                  bool
	VetxOutput                string
	SucceedOnTypecheckFailure bool

A Config describes a compilation unit to be analyzed. It is provided to the tool in a JSON-encoded file whose name ends with ".cfg".

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