Merge pull request #49 from puremourning/go

Go support using vscode-go

README.md

@@ -86,6 +86,7 @@ on a best-efforts basis:
 
 - Java (see caveats)
 - C# (c-sharp) using dotnet core
+- Go (requires separate installation of [Delve][])
 
 ## Languages known not to work
 
@@ -158,6 +159,7 @@ The debug adapters themselves have certain runtime dependencies:
 | Bourne Shell     | Experimental | `--all` or `--enable-bash`   | vscode-bash-debug | Bash v??               |
 | C# (dotnet core) | Experimental | `--force-enable-csharp`      | netcoredbg        | DotNet core            |
 | C# (mono)        | Experimental | `--force-enable-csharp`      | vscode-mono-debug | Mono                   |
+| Go               | Experimental | `--enable-go`                | vscode-go         | Go, [Delve][]          |
 
 For other languages, you'll need some other way to install the gadget.
 
@@ -579,6 +581,30 @@ Requires `install_gadget.py --force-enable-c-sharp`.
 }
 ```
 
+* Go 
+
+Requires:
+
+* `install_gadget.py --enable-go`
+* [Delve][delve-install] installed, e.g. `go get -u github.com/go-delve/delve/cmd/dlv`
+* Delve to be in your PATH, or specify the `dlvToolPath` launch option
+
+```json
+{
+  "configurations": {
+    "run": {
+      "adapter": "vscode-go",
+      "configuration": {
+        "request": "launch",
+        "program": "${fileDirname}",
+        "mode": "debug",
+        "dlvToolPath": "$HOME/go/bin/dlv"
+      }
+    }
+  }
+}
+```
+
 Also the mock debugger, but that isn't actually useful.
 
 ## Partially supported
@@ -610,3 +636,5 @@ Copyright © 2018 Ben Jackson
 [gitter]: https://gitter.im/vimspector/Lobby?utm_source=share-link&utm_medium=link&utm_campaign=share-link
 [java-debug-server]: https://github.com/Microsoft/java-debug
 [website]: https://puremourning.github.io/vimspector-web/
+[delve]: https://github.com/go-delve/delve
+[delve-install]: https://github.com/go-delve/delve/tree/master/Documentation/installation

install_gadget.py

@@ -43,8 +43,8 @@ GADGETS = {
   'vscode-cpptools': {
     'language': 'c',
     'download': {
-      'url': ( 'https://github.com/Microsoft/vscode-cpptools/releases/download/'
-               '${version}/${file_name}' ),
+      'url': 'https://github.com/Microsoft/vscode-cpptools/releases/download/'
+             '${version}/${file_name}',
     },
     'do': lambda name, root: InstallCppTools( name, root ),
     'all': {
@@ -80,8 +80,8 @@ GADGETS = {
   'vscode-python': {
     'language': 'python',
     'download': {
-      'url': ( 'https://github.com/Microsoft/vscode-python/releases/download/'
-               '${version}/${file_name}' ),
+      'url': 'https://github.com/Microsoft/vscode-python/releases/download/'
+             '${version}/${file_name}',
     },
     'all': {
       'version': '2019.5.17059',
@@ -111,8 +111,8 @@ GADGETS = {
     'language': 'csharp',
     'enabled': False,
     'download': {
-      'url': ( 'https://github.com/Samsung/netcoredbg/releases/download/latest/'
-               '${file_name}' ),
+      'url': 'https://github.com/Samsung/netcoredbg/releases/download/latest/'
+             '${file_name}',
       'format': 'tar',
     },
     'all': {
@@ -175,15 +175,37 @@ GADGETS = {
   'vscode-bash-debug': {
     'language': 'bash',
     'download': {
-      'url': ( 'https://github.com/rogalmic/vscode-bash-debug/releases/'
-               'download/${version}/${file_name}' ),
+      'url': 'https://github.com/rogalmic/vscode-bash-debug/releases/'
+             'download/${version}/${file_name}',
     },
     'all': {
       'file_name': 'bash-debug-0.3.5.vsix',
       'version': 'v0.3.5',
       'checksum': '',
     }
-  }
+  },
+  'vscode-go': {
+    'language': 'go',
+    'download': {
+      'url': 'https://github.com/microsoft/vscode-go/releases/download/'
+             '${version}/${file_name}'
+    },
+    'all': {
+      'version': '0.11.4',
+      'file_name': 'Go-0.11.4.vsix',
+      'checksum':
+        'ff7d7b944da5448974cb3a0086f4a2fd48e2086742d9c013d6964283d416027e'
+    },
+    'adapters': {
+      'vscode-go': {
+        'name': 'delve',
+        'command': [
+          'node',
+          '${gadgetDir}/vscode-go/out/src/debugAdapter/goDebug.js'
+        ],
+      },
+    },
+  },
 }
 
 

python3/vimspector/breakpoints.py

@@ -187,12 +187,23 @@ class ProjectBreakpoints( object ):
     self._breakpoints_handler = handler
 
 
-  def SendBreakpoints( self ):
+  def SendBreakpoints( self, doneHandler = None ):
     assert self._breakpoints_handler is not None
 
     # Clear any existing breakpoints prior to sending new ones
     self._breakpoints_handler.ClearBreakpoints()
 
+    awaiting = 0
+
+    def response_handler( source, msg ):
+      if msg:
+        self._breakpoints_handler.AddBreakpoints( source, msg )
+      nonlocal awaiting
+      awaiting = awaiting - 1
+      if awaiting == 0 and doneHandler:
+        doneHandler()
+
+
     for file_name, line_breakpoints in self._line_breakpoints.items():
       breakpoints = []
       for bp in line_breakpoints:
@@ -211,8 +222,9 @@ class ProjectBreakpoints( object ):
         'path': file_name,
       }
 
+      awaiting = awaiting + 1
       self._connection.DoRequest(
-        lambda msg: self._breakpoints_handler.AddBreakpoints( source, msg ),
+        lambda msg: response_handler( source, msg ),
         {
           'command': 'setBreakpoints',
           'arguments': {
@@ -224,8 +236,9 @@ class ProjectBreakpoints( object ):
       )
 
     if self._server_capabilities.get( 'supportsFunctionBreakpoints' ):
+      awaiting = awaiting + 1
       self._connection.DoRequest(
-        lambda msg: self._breakpoints_handler.AddBreakpoints( None, msg ),
+        lambda msg: response_handler( None, msg ),
         {
           'command': 'setFunctionBreakpoints',
           'arguments': {
@@ -241,14 +254,18 @@ class ProjectBreakpoints( object ):
       self._SetUpExceptionBreakpoints()
 
     if self._exceptionBreakpoints:
+      awaiting = awaiting + 1
       self._connection.DoRequest(
-        None, # There is nothing on the response to this
+        lambda msg: response_handler( None, None ),
         {
           'command': 'setExceptionBreakpoints',
           'arguments': self._exceptionBreakpoints
         }
       )
 
+    if awaiting == 0 and doneHandler:
+      doneHandler()
+
 
   def _SetUpExceptionBreakpoints( self ):
     exceptionBreakpointFilters = self._server_capabilities.get(

python3/vimspector/debug_session.py

@@ -683,18 +683,19 @@ class DebugSession( object ):
 
 
   def OnEvent_initialized( self, message ):
-    self._codeView.ClearBreakpoints()
-    self._breakpoints.SendBreakpoints()
+    def onBreakpointsDone():
+      if self._server_capabilities.get( 'supportsConfigurationDoneRequest' ):
+        self._connection.DoRequest(
+          lambda msg: self._OnInitializeComplete(),
+          {
+            'command': 'configurationDone',
+          }
+        )
+      else:
+        self._OnInitializeComplete()
 
-    if self._server_capabilities.get( 'supportsConfigurationDoneRequest' ):
-      self._connection.DoRequest(
-        lambda msg: self._OnInitializeComplete(),
-        {
-          'command': 'configurationDone',
-        }
-      )
-    else:
-      self._OnInitializeComplete()
+    self._codeView.ClearBreakpoints()
+    self._breakpoints.SendBreakpoints( onBreakpointsDone )
 
   def OnEvent_thread( self, message ):
     self._stackTraceView.OnThreadEvent( message[ 'body' ] )

support/test/go/hello_world/.gitignore

@@ -0,0 +1 @@
+hello_world

support/test/go/hello_world/.vimspector.json

@@ -0,0 +1,14 @@
+{
+  "configurations": {
+    "run": {
+      "adapter": "vscode-go",
+      "configuration": {
+        "request": "launch",
+        "program": "${workspaceRoot}/hello-world.go",
+        "mode": "debug",
+        "dlvToolPath": "$HOME/go/bin/dlv",
+        "trace": true
+      }
+    }
+  }
+}

support/test/go/hello_world/hello-world.go

@@ -0,0 +1,6 @@
+package main
+import "fmt"
+func main() {
+  var v = "test"
+  fmt.Println("hello world: " + v)
+}