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diff --git a/v_windows/v/doc/vscode.md b/v_windows/v/doc/vscode.md new file mode 100644 index 0000000..e1e1b35 --- /dev/null +++ b/v_windows/v/doc/vscode.md @@ -0,0 +1,107 @@ +# Visual Studio Code Setup + +## Table of Contents + +* [V language support](#v-language-support) +* [Visual Debugging](#visual-debugging) + +## V language support + +The [V VS Code Extention](https://marketplace.visualstudio.com/items?itemName=vlanguage.vscode-vlang) +provides V language support for Visual Studio Code. + +![Screenshot Code with activated extention](https://github.com/vlang/vscode-vlang/raw/HEAD/images/demo.png) + +**Features:** +* Syntax Highlighting. +* Code Snippets for quick coding. +* Format code on file save as well as format manually (using v fmt). +* Linter (Workspace files only). +[more](https://marketplace.visualstudio.com/items?itemName=vlanguage.vscode-vlang) + +**Hint:** This extention will not add the V compiler! Information on how to +[install V compiler](https://github.com/vlang/v/blob/master/doc/docs.md#install-from-source) +on your operating system. + +### Setup Extention + +Install [V VS Code Extention](https://marketplace.visualstudio.com/items?itemName=vlanguage.vscode-vlang). + +## Visual Debugging + +![screenshot visual debugger](https://github.com/vlang/v/blob/master/doc/img/vscode-debugger.png?raw=true) + +The [C/C++ Extention](https://marketplace.visualstudio.com/items?itemName=ms-vscode.cpptools) +for Visual Studio Code provides visual conditional debugging. + +**Features:** +* Conditional breakpoints +* Function breakpoints +* Expression evaluation +* Change Values +[more Features & Documentation](https://code.visualstudio.com/docs/cpp/cpp-debug) + +**Hint:** Not all types (e.g. Array) in V currently create the required +[DWARF](https://en.wikipedia.org/wiki/DWARF) information to show and +edit the variable. + +### Setup Debugging + +1. Install the [C/C++ Extention](https://marketplace.visualstudio.com/items?itemName=ms-vscode.cpptools) +2. Open `RUN AND DEBUG` panel (Debug Icon in left panel). +3. Click on `Show` all automatic debug configurations. +4. Select `Add config`. +5. Select environment `C++ (GDB/LLDB)`. +6. Change the line `"program": "Enter the program name, e.g. \"${workspaceFolder}/a.out\"",` +to point to your compiled application e.g. `"program": "${workspaceFolder}/hello",`. + +This will add a block to your `.workspace` file, +or create the file `.vscode/launch.json`: +```json +{ + // Use IntelliSense to learn about possible attributes. + // Hover to view descriptions of existing attributes. + // For more information, visit: + // https://go.microsoft.com/fwlink/?linkid=830387 + "version": "0.2.0", + "configurations": [ + { + "name": "(lldb) Start", + "type": "cppdbg", + "request": "launch", + "program": "Enter the program name, e.g. \"${workspaceFolder}/a.out\"", + "args": [], + "stopAtEntry": false, + "cwd": "${fileDirname}", + "environment": [], + "externalConsole": false, + "MIMode": "lldb" + } + ] +} +``` + +**Optional:** use `"program": "${fileDirname}/${fileBasenameNoExtension}"` to debug +any current open source file with an existing binary with the same name but without any extension. + +### Usage + +To allow your compiled application to be debugged. +The application needs to include additional debugging information +([DWARF](https://en.wikipedia.org/wiki/DWARF)). + +**1. Compile with debugging information:** +`v -b c -g hello.v -o hello` or short `v -g hello.v` + +The `-g` option will add the needed debugging informations. +More Options are explained in the [docs](docs.md#debugging). + + +**2. Start Debugging** + +1. Open your source code and set the required break points +2. Click on the Debug Icon in the left Icon panel and click +`> (lldb) Start`, or use `F5` to launch your application in debug mode. + +For all options look at the official +[C/C++ Extention documentation](https://code.visualstudio.com/docs/cpp/cpp-debug). |