add moddelay cmd

src/lang.zig

@@ -38,6 +38,7 @@ pub const CommandType = enum {
     Gverb,
     Invert,
     TapeDelay,
+    ModDelay,
 
     Noise,
     WildNoise,
@@ -205,6 +206,7 @@ pub const Lang = struct {
         _ = try self.keywords.put("gverb", .Gverb);
         _ = try self.keywords.put("invert", .Invert);
         _ = try self.keywords.put("tapedelay", .TapeDelay);
+        _ = try self.keywords.put("moddelay", .ModDelay);
 
         // custom implementations (not lv2)
         _ = try self.keywords.put("noise", .Noise);

src/printer.zig

@@ -32,6 +32,7 @@ pub fn printList(list: langs.CommandList, stream: var) !void {
             .Gverb => "gverb",
             .Invert => "invert",
             .TapeDelay => "tapedelay",
+            .ModDelay => "moddelay",
 
             .Noise => "noise",
             .WildNoise => "wildnoise",

src/runner.zig

@@ -354,6 +354,11 @@ pub const Runner = struct {
         try image.runPlugin("http://plugin.org.uk/swh-plugins/tapeDelay", pos, params);
     }
 
+    fn moddelayCmd(self: *Runner, pos: Position, params: ParamList) !void {
+        var image = try self.getImage();
+        try image.runPlugin("http://plugin.org.uk/swh-plugins/modDelay", pos, params);
+    }
+
     fn runCommand(self: *Runner, cmd: *lang.Command) !void {
         var params = ParamList.init(self.allocator);
         defer params.deinit();
@@ -664,6 +669,12 @@ pub const Runner = struct {
                 try self.tapedelayCmd(pos, params);
             },
 
+            .ModDelay => {
+                const pos = try cmd.consumePosition();
+                try cmd.appendParam(&params, "base");
+                try self.moddelayCmd(pos, params);
+            },
+
             else => blk: {
                 std.debug.warn("Unsupported command: {}\n", .{cmd.command});
                 break :blk RunError.UnknownCommand;