add enable_autofix option

README.md

@@ -103,6 +103,7 @@ The following options are currently available.
 | --- | --- | --- | --- |
 | `enable_snippets` | `bool` | `false` | Enables snippet completions when the client also supports them. |
 | `enable_ast_check_diagnostics` | `bool` | `true`| Whether to enable ast-check diagnostics |
+| `enable_autofix` | `bool` | `false`| Whether to automatically fix errors on save. Currently supports adding and removing discards. |
 | `enable_import_embedfile_argument_completions` | `bool` | `false` | Whether to enable import/embedFile argument completions |
 | `zig_lib_path` | `?[]const u8` | `null` | zig library path, e.g. `/path/to/zig/lib/zig`, used to analyze std library imports. |
 | `zig_exe_path` | `?[]const u8` | `null` | zig executable path, e.g. `/path/to/zig/zig`, used to run the custom build runner. If `null`, zig is looked up in `PATH`. Will be used to infer the zig standard library path if none is provided. |

schema.json

@@ -14,6 +14,11 @@
             "type": "boolean",
             "default": "true"
         },
+        "enable_autofix": {
+            "description": "Whether to automatically fix errors on save. Currently supports adding and removing discards.",
+            "type": "boolean",
+            "default": "false"
+        },
         "enable_import_embedfile_argument_completions": {
             "description": "Whether to enable import/embedFile argument completions",
             "type": "boolean",

src/Config.zig

@@ -16,6 +16,10 @@ enable_snippets: bool = false,
 /// Whether to enable ast-check diagnostics
 enable_ast_check_diagnostics: bool = true,
 
+/// Whether to automatically fix errors on save.
+/// Currently supports adding and removing discards.
+enable_autofix: bool = false,
+
 /// Whether to enable import/embedFile argument completions (NOTE: these are triggered manually as updating the autotrigger characters may cause issues)
 enable_import_embedfile_argument_completions: bool = false,
 

src/requests.zig

@@ -289,6 +289,7 @@ pub const Configuration = struct {
         settings: struct {
             enable_snippets: ?bool,
             enable_ast_check_diagnostics: ?bool,
+            enable_autofix: ?bool,
             enable_import_embedfile_argument_completions: ?bool,
             zig_lib_path: ?[]const u8,
             zig_exe_path: ?[]const u8,

src/setup.zig

@@ -171,6 +171,7 @@ pub fn wizard(allocator: std.mem.Allocator) !void {
     const editor = try askSelectOne("Which code editor do you use?", enum { VSCode, Sublime, Kate, Neovim, Vim8, Emacs, Doom, Spacemacs, Helix, Other });
     const snippets = try askBool("Do you want to enable snippets?");
     const ast_check = try askBool("Do you want to enable ast-check diagnostics?");
+    const autofix = try askBool("Do you want to zls to automatically try to fix errors on save? (supports adding & removing discards)");
     const ief_apc = try askBool("Do you want to enable @import/@embedFile argument path completion?");
     const style = try askBool("Do you want to enable style warnings?");
     const semantic_tokens = try askBool("Do you want to enable semantic highlighting?");
@@ -193,6 +194,7 @@ pub fn wizard(allocator: std.mem.Allocator) !void {
         .zig_exe_path = zig_exe_path,
         .enable_snippets = snippets,
         .enable_ast_check_diagnostics = ast_check,
+        .enable_autofix = autofix,
         .enable_import_embedfile_argument_completions = ief_apc,
         .warn_style = style,
         .enable_semantic_tokens = semantic_tokens,