From 8b67ccc1bfc0944720d3ffc0cc583658f1c07a04 Mon Sep 17 00:00:00 2001
From: Luna <git@l4.pm>
Date: Tue, 10 Sep 2019 11:45:04 -0300
Subject: [PATCH] add printing of commands to any stream

---
 src/main.zig    |  4 ++++
 src/printer.zig | 23 +++++++++++++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 src/printer.zig

diff --git a/src/main.zig b/src/main.zig
index 1ac9680..5c414a8 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -1,6 +1,7 @@
 const std = @import("std");
 const langs = @import("lang.zig");
 const runners = @import("runner.zig");
+const printer = @import("printer.zig");
 
 test "scritcher" {
     _ = @import("lang.zig");
@@ -52,6 +53,9 @@ pub fn doRepl(allocator: *std.mem.Allocator, args_it: var) !void {
 
         // TODO save the line to scri_file? or should we have a special `push`
         // to do so?
+
+        // note this is debug
+        try printer.printList(cmds, stdout);
     }
 }
 
diff --git a/src/printer.zig b/src/printer.zig
new file mode 100644
index 0000000..29aeb9b
--- /dev/null
+++ b/src/printer.zig
@@ -0,0 +1,23 @@
+const langs = @import("lang.zig");
+
+pub fn printList(list: langs.CommandList, stream: var) !void {
+    for (list.toSlice()) |cmd| {
+        var command = switch (cmd.command) {
+            .Noop => "noop",
+            .Load => "load",
+            .Quicksave => "quicksave",
+            .RunQS => "runqs",
+
+            // TODO rest of commands
+            else => unreachable,
+        };
+
+        try stream.print("{}", command);
+
+        for (cmd.args.toSlice()) |arg| {
+            try stream.print(" {}", arg);
+        }
+
+        try stream.write(";\n");
+    }
+}