Language server support for modules, debugging improvements and more

Go Modules support improvements

• Caleb Doxsey (@calebdoxsey )

  • Add grammar for go.mod and go.sum files, thus providing syntax highlighting for them. Feature Request 1886 implemented with PR 2344

• Ramya Rao (@ramya-rao-a)

  • Support gopls, the language server from Google as the one from Sourcegraph is no longer under active development. Also because gopls supports Go modules. PR 2383. Please read our updated README on language servers for the latest on what we recommend.
  • Use goimports for formatting when using Go modules without the language server because goreturns(the default formatting tool) doesn't work with modules yet. Fixes Bug 2309
  • Fix build on save, install and debug features when GO111MODULE is set to on inside the GOPATH. Fixes Bug 2238 with commit 15f571e4

New features

• Aswin M Prabhu (@aswinmprabhu)
  • Refactor commands to extract functions and variables using godoctor. Feature Request 588 implemented with PR 2139
    • Go: Extract to function
    • Go: Extract to variable

Debugging improvements

• Vlad Barosan (@vladbarosan)

  • Fix issue of debug file not being cleared after debugging on Windows. Fixes Bug 2265 with PR 2332

• Joel Hendrix (@jhendrixMSFT)

  • Fix variable display when debugging when the name has - in it. Fixes Bug 2328 with PR 2320

• Alex Schade (@aschade92)

  • You can now control whether global variables are shown or not in the variable pane while debugging by tweaking the showGlobalVariables property in the go.delveConfig setting. Feature Request 2323 implemented with PR 2351

Others

• Filippo Valsorda (@FiloSottile) & Vlad Barosan (@vladbarosan)

  • Avoid prompts to re-compile Go tools when the go.toolsGopath is different between workspaces. PR 1589

• Luis GG (@lggomez)

  • Avoid moving to the next parameter in the Signature Help feature, when provided parameter value is a string with commas. Fixes Bug 1682 with PR 1738
  • Improvements to the README for the debug adapter that provides information on how to debug the debug adapter. PR 2341
  • Add module definitions for test fixtures. PR 2306

• Sardorbek (@oneslash)

  • Remove support for older versions of Go. Fixes Bug 1026 with PR 2319
  • Fix auto-completion when there is a string with // in the same line before the current position. Fixes Bug 2240 with PR 2316

• Edouard SCHWEISGUTH (@Edznux)

  • Fix single quotes uses for JSON examples in setting descriptions. PR 2036

• Utsob Roy (@uroybd)

  • Improve the snippet for anonymous go function. PR 2354

• Chris Broadfoot (@broady)

  • Improve documentation usage of VS Code commands in README. Fixes Bug 2385 with PR 2390

• Jackson Kearl (@JacksonKearl) & Vlad Barosan (@vladbarosan)

  • Use the latest apis for the Outline feature. Feature Request 1772 implemented with PR 1795

• Ramya Rao (@ramya-rao-a)

  • Clean up the temporary directory created by the Go extension when VS Code window is closed. Fixes Bug 2188 with commit 4a241f80
  • Show the start of on save features in the output panel. Fixes Bug 1869 with commit 058eccf17
  • Ignore GOBIN when user has set go.toolsGopath setting. Fixes Bug 2339 with commit 9f99c30