diff --git a/src/lang.zig b/src/lang.zig
index b8f5a85..2a506c2 100644
--- a/src/lang.zig
+++ b/src/lang.zig
@@ -3,7 +3,11 @@ const std = @import("std");
 const plugin = @import("plugin.zig");
 const custom = @import("custom.zig");
 
-pub const ParseError = error{ParseFail};
+pub const ParseError = error{
+    OutOfMemory,
+    ArgRequired,
+    ParseFail,
+};
 
 pub const CommandType = enum {
     /// "LV2 Commands" are commands that receive split, index, and then receive
@@ -477,6 +481,9 @@ pub const Command = struct {
 };
 
 pub const CommandList = std.ArrayList(*Command);
+pub const ArgList = std.ArrayList([]const u8);
+
+pub const KeywordMap = std.StringHashMap(CommandType);
 
 /// A parser.
 pub const Lang = struct {
@@ -646,6 +653,8 @@ pub const Lang = struct {
                 self.doError("Unknown command '{}' ({})", .{ command_string, command_string.len });
                 continue;
             }
+
+            // try cmds.append(cmd);
         }
 
         if (self.has_error) return ParseError.ParseFail;
diff --git a/src/printer.zig b/src/printer.zig
index b7592db..ea91ec2 100644
--- a/src/printer.zig
+++ b/src/printer.zig
@@ -2,7 +2,49 @@ const langs = @import("lang.zig");
 
 pub fn printList(list: langs.CommandList, stream: var) !void {
     for (list.items) |cmd| {
-        const command = @tagName(cmd.tag);
+        var command = switch (cmd.command) {
+            .Noop => "noop",
+            .Load => "load",
+            .Quicksave => "quicksave",
+            .RunQS => "runqs",
+
+            .Amp => "amp",
+            .RFlanger => "rflanger",
+            .Eq => "eq",
+            .Phaser => "phaser",
+            .Mbeq => "mbeq",
+            .Chorus => "chorus",
+            .PitchScaler => "pitchscaler",
+            .Reverb => "reverb",
+            .Highpass => "highpass",
+            .Delay => "delay",
+            .Vinyl => "vinyl",
+            .RevDelay => "revdelay",
+            .Gate => "gate",
+            .Detune => "detune",
+            .Overdrive => "overdrive",
+            .Degrade => "Degrade",
+            .RePsycho => "repsycho",
+            .TalkBox => "talkbox",
+            .DynComp => "dyncomp",
+            .ThruZero => "thruzero",
+            .Foverdrive => "foverdrive",
+            .Gverb => "gverb",
+            .Invert => "invert",
+            .TapeDelay => "tapedelay",
+            .ModDelay => "moddelay",
+            .MultiChorus => "multichorus",
+            .Saturator => "saturator",
+            .VintageDelay => "vintagedelay",
+
+            .Noise => "noise",
+            .WildNoise => "wildnoise",
+            .Write => "write",
+            .Embed => "embed",
+
+            .Rotate => "rotate",
+        };
+
         try stream.print("{}", .{command});
 
         for (cmd.args.items) |arg| {