remove implemented TODO

src/main.zig

@@ -237,23 +237,41 @@ fn doHelp() void {
     std.debug.warn("\tscritcher repl path_to_script.scri path_to_input_file.bmp\n", .{});
 }
 
-pub fn main() !void {
-    // const allocator = std.heap.page_allocator;
-    var allocator_instance = std.heap.GeneralPurposeAllocator(.{}){};
-    defer {
-        _ = allocator_instance.deinit();
-    }
-    const allocator = &allocator_instance.allocator;
-
+fn doRun(allocator: *std.mem.Allocator, args_it: anytype) !void {
     var lang = langs.Lang.init(allocator);
     defer lang.deinit();
 
     var runner = runners.Runner.init(allocator, false);
     defer runner.deinit();
 
+    const scri_path = try (args_it.next(allocator) orelse @panic("run: expected scri path"));
+    defer allocator.free(scri_path);
+
+    var file = try std.fs.cwd().openFile(scri_path, .{});
+    defer file.close();
+
+    // sadly, we read it all into memory. such is life
+    const total_bytes = try file.getEndPos();
+
+    var data = try allocator.alloc(u8, total_bytes);
+    defer allocator.free(data);
+    _ = try file.read(data);
+
+    var cmds = try lang.parse(data);
+    defer cmds.deinit();
+
+    try runner.runCommands(cmds, true);
+}
+
+pub fn main() !void {
+    var allocator_instance = std.heap.GeneralPurposeAllocator(.{}){};
+    defer {
+        _ = allocator_instance.deinit();
+    }
+    const allocator = &allocator_instance.allocator;
+
     var args_it = std.process.args();
 
-    // TODO print help
     _ = args_it.skip();
     const cli_command_opt = args_it.next(allocator);
     if (cli_command_opt == null) {
@@ -268,23 +286,7 @@ pub fn main() !void {
     } else if (std.mem.eql(u8, cli_command, "repl")) {
         return try doRepl(allocator, &args_it);
     } else if (std.mem.eql(u8, cli_command, "run")) {
-        const scri_path = try (args_it.next(allocator) orelse @panic("run: expected scri path"));
-        defer allocator.free(scri_path);
-
-        var file = try std.fs.cwd().openFile(scri_path, .{});
-        defer file.close();
-
-        // sadly, we read it all into memory. such is life
-        const total_bytes = try file.getEndPos();
-
-        var data = try allocator.alloc(u8, total_bytes);
-        defer allocator.free(data);
-        _ = try file.read(data);
-
-        var cmds = try lang.parse(data);
-        defer cmds.deinit();
-
-        try runner.runCommands(cmds, true);
+        return try doRun(allocator, &args_it);
     } else {
         std.debug.warn("unknown command: '{s}'\n", .{cli_command});
         return error.UnknownCommand;