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nm4020
6年前发布

Visual Studio Code for Go

来自: https://github.com/Microsoft/vscode-go

Go for Visual Studio Code

This extension adds rich language support for the Go language to VS Code, including:

  • Colorization
  • Completion Lists (using gocode )
  • Signature Help (using godoc )
  • Snippets
  • Quick Info (using godef )
  • Goto Definition (using godef )
  • Find References (using go-find-references )
  • File outline (using go-outline )
  • Workspace symbol search (using go-symbols )
  • Rename (using gorename )
  • Build-on-save (using go build and go test )
  • Format (using goreturns or goimports or gofmt )
  • Add Imports (using gopkgs )
  • [ partially implemented ] Debugging (using delve )

IDE Features

Debugger

Using

First, you will need to install Visual Studio Code 0.10 . In the command palette ( cmd-shift-p ) select Install Extension and choose Go .

In a terminal window with the GOPATH environment variable set to the GOPATH you want to work on, launch code . Open your GOPATH folder or any subfolder you want to work on, then open a .go file to start editing. You should see Analysis Tools Missing in the bottom right, clicking this will offer to install all of the Go tooling needed for the extension to suppport it's full feature set. See theToolssection below for more details.

Note : It is strongly encouraged to turn Auto Save on in Visual Studio Code ( File -> Auto Save ) when using this extension. Many of the Go tools work only on saved files, and error reporting will be more interactive with Auto Save turned on.

Options

The following Visual Studio Code settings are available for the Go extension. These can be set in user preferences ( cmd+, ) or workspace settings ( .vscode/settings.json ).

{      "go.buildOnSave": true,      "go.lintOnSave": true,      "go.vetOnSave": true,      "go.buildFlags": [],      "go.lintFlags": [],      "go.vetFlags": [],      "go.useCodeSnippetsOnFunctionSuggest": false,      "go.formatOnSave": false,      "go.formatTool": "goreturns",      "go.goroot": "/usr/local/go",      "go.gopath": "/Users/lukeh/go"  }

Commands

In addition to integrated editing features, the extension also provides several commands in the Command Palette for working with Go files:

  • Go: Add Import to add an import from the list of pacakges in your Go context
  • Go: Current GOPATH to see your currently configured GOPATH
  • Go: Run test at cursor to run a test at the current cursor position in the active document
  • Go: Run tests in current package to run all tests in the pacakge containing the active document
  • Go: Run tests in current file to run all tests in the current active document

Optional : Debugging

To use the debugger, you must currently manually install delve . See the Installation Instructions for full details. On OS X it requires creating a self-signed cert to sign the dlv binary.

Once this is installed, go to the Code debug viewlet and select the configuration gear, placing the following in your launch.json:

{      "version": "0.2.0",      "configurations": [          {              "name": "Launch",              "type": "go",              "request": "launch",              "mode": "debug",              "program": "${workspaceRoot}",              "env": {},              "args": []          }      ]  }

The program option can refer to a package folder to debug, or a file within that folder.

The mode parameter can be set to:

  • debug to compile the contents of the program folder and launch under the debugger. [default]
  • test to debug tests in the program folder.
  • exec to run a pre-built binary instead of building the current code in the program folder.

Building and Debugging the Extension

You can set up a development environment for debugging the extension during extension development.

First make sure you do not have the extension installed in ~/.vscode/extensions . Then clone the repo somewhere else on your machine, run npm install and open a development instance of Code.

rm -rf ~/.vscode/extensions/lukehoban.Go  cd ~  git clone https://github.com/Microsoft/vscode-go  cd vscode-go  npm install  code .

You can now go to the Debug viewlet and select Launch Extension then hit run ( F5 ).

In the [Extension Development Host] instance, open your GOPATH folder.

You can now hit breakpoints and step through the extension.

If you make edits in the extension .ts files, just reload ( cmd-r ) the [Extension Development Host] instance of Code to load in the new extension code. The debugging instance will automatically reattach.

To debug the debugger, see the debugAdapter readme .

Tools

The extension uses the following tools, installed in the current GOPATH. If any tools are missing, you will see an "Analysis Tools Missing" warning in the bottom right corner of the editor. Clicking it will offer to install the missing tools for you.

  • gocode: go get -u -v github.com/nsf/gocode
  • godef: go get -u -v github.com/rogpeppe/godef
  • golint: go get -u -v github.com/golang/lint/golint
  • go-find-references: go get -u -v github.com/lukehoban/go-find-references
  • go-outline: go get -u -v github.com/lukehoban/go-outline
  • goreturns: go get -u -v sourcegraph.com/sqs/goreturns
  • gorename: go get -u -v golang.org/x/tools/cmd/gorename
  • gopkgs: go get -u -v github.com/tpng/gopkgs
  • go-symbols: go get -u -v github.com/newhook/go-symbols

To install them just paste and run:

go get -u -v github.com/nsf/gocode  go get -u -v github.com/rogpeppe/godef  go get -u -v github.com/golang/lint/golint  go get -u -v github.com/lukehoban/go-find-references  go get -u -v github.com/lukehoban/go-outline  go get -u -v sourcegraph.com/sqs/goreturns  go get -u -v golang.org/x/tools/cmd/gorename  go get -u -v github.com/tpng/gopkgs  go get -u -v github.com/newhook/go-symbols

And for debugging:

License

MIT

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