From e476250ea9326b2550847b301c265115ff375a31 Mon Sep 17 00:00:00 2001
From: Sam Atman
Date: Wed, 4 Feb 2026 18:36:18 -0500
Subject: Rest of the 'easy' stuff

This gets us up to feature parity with Jacob's work.  I want to
eliminate that last allocation using the comptime hash map, and then
see about eliminating allocations from case comparisons as well.

That should just about do it.
---
 codegen/gencat.zig | 37 +++++++++++++++++++++++++++----------
 1 file changed, 27 insertions(+), 10 deletions(-)

(limited to 'codegen/gencat.zig')

diff --git a/codegen/gencat.zig b/codegen/gencat.zig
index 9800f1d..12c8373 100644
--- a/codegen/gencat.zig
+++ b/codegen/gencat.zig
@@ -150,21 +150,38 @@ pub fn main() !void {
     defer args_iter.deinit();
     _ = args_iter.skip();
     const output_path = args_iter.next() orelse @panic("No output file arg!");
-
     var write_buf: [4096]u8 = undefined;
     var out_file = try std.fs.cwd().createFile(output_path, .{});
     defer out_file.close();
     var writer = out_file.writer(&write_buf);
 
-    const endian = builtin.cpu.arch.endian();
-    try writer.interface.writeInt(u16, @intCast(stage1.items.len), endian);
-    for (stage1.items) |i| try writer.interface.writeInt(u16, i, endian);
-
-    try writer.interface.writeInt(u16, @intCast(stage2.items.len), endian);
-    for (stage2.items) |i| try writer.interface.writeInt(u8, i, endian);
-
-    try writer.interface.writeInt(u8, @intCast(stage3.items.len), endian);
-    for (stage3.items) |i| try writer.interface.writeInt(u8, i, endian);
+    try writer.interface.print(
+        \\//! This file is auto-generated. Do not edit.
+        \\
+        \\pub const s1: [{}]u16 = .{{
+    , .{stage1.items.len});
+    for (stage1.items) |entry| try writer.interface.print("{}, ", .{entry});
+
+    try writer.interface.print(
+        \\
+        \\}};
+        \\
+        \\pub const stage2: [{}]u5 = .{{
+    , .{stage2.items.len});
+    for (stage2.items) |entry| try writer.interface.print("{}, ", .{entry});
+
+    try writer.interface.print(
+        \\
+        \\}};
+        \\
+        \\pub const stage3: [{}]5 = .{{
+    , .{stage3.items.len});
+    for (stage3.items) |entry| try writer.interface.print("{}, ", .{entry});
+
+    try writer.interface.writeAll(
+        \\};
+    );
 
     try writer.interface.flush();
+    try writer.interface.flush();
 }
-- 
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