enable command debug printing

src/lang.zig

@@ -103,6 +103,19 @@ pub const NewCommand = struct {
         rotate,
     };
 
+    pub fn tagToType(tag: Tag) type {
+        return switch (tag) {
+            .noop => Noop,
+            .load => Load,
+            .quicksave => Quicksave,
+            .runqs => RunQS,
+
+            .amp => Amp,
+            .rflanger => RFlanger,
+            else => @panic("TODO"),
+        };
+    }
+
     pub fn cast(base: *@This(), comptime T: type) ?*T {
         if (base.tag != T.base_tag)
             return null;
@@ -110,6 +123,10 @@ pub const NewCommand = struct {
         return @fieldParentPtr(T, "base", base);
     }
 
+    pub fn print(base: *const @This()) void {
+        std.debug.warn("{}\n", .{base.tag});
+    }
+
     pub const Noop = struct {
         pub const base_tag = Tag.noop;
         base: NewCommand,

src/runner.zig

@@ -778,7 +778,7 @@ pub const Runner = struct {
         debug_flag: bool,
     ) !void {
         for (cmds.items) |cmd| {
-            // if (debug_flag) const_cmd.print();
+            cmd.print();
             try self.newRunCommand(cmd);
         }
     }