From 1b28f5075706d9df7187058d6f7fdfe6d0eadefb Mon Sep 17 00:00:00 2001
From: Sam Atman
Date: Thu, 5 Feb 2026 07:30:20 -0500
Subject: Delete upper and lower.zig

---
 codegen/lower.zig | 56 -------------------------------------------------------
 1 file changed, 56 deletions(-)
 delete mode 100644 codegen/lower.zig

(limited to 'codegen/lower.zig')

diff --git a/codegen/lower.zig b/codegen/lower.zig
deleted file mode 100644
index 91f3ef2..0000000
--- a/codegen/lower.zig
+++ /dev/null
@@ -1,56 +0,0 @@
-const std = @import("std");
-const builtin = @import("builtin");
-
-pub fn main() !void {
-    var arena = std.heap.ArenaAllocator.init(std.heap.page_allocator);
-    defer arena.deinit();
-    const allocator = arena.allocator();
-
-    var write_buf: [4096]u8 = undefined;
-    // Process UnicodeData.txt
-    var in_reader = std.io.Reader.fixed(@embedFile("UnicodeData.txt"));
-    var args_iter = try std.process.argsWithAllocator(allocator);
-    defer args_iter.deinit();
-    _ = args_iter.skip();
-    const output_path = args_iter.next() orelse @panic("No output file arg!");
-
-    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();
-
-    lines: while (in_reader.takeDelimiterInclusive('\n')) |took| {
-        const line = std.mem.trimRight(u8, took, "\n");
-        if (line.len == 0) continue;
-
-        var field_iter = std.mem.splitScalar(u8, line, ';');
-        var cp: i24 = undefined;
-
-        var i: usize = 0;
-        while (field_iter.next()) |field| : (i += 1) {
-            switch (i) {
-                0 => cp = try std.fmt.parseInt(i24, field, 16),
-
-                2 => if (line[0] == '<') continue :lines,
-
-                13 => {
-                    // Simple lowercase mapping
-                    if (field.len == 0) continue :lines;
-                    try writer.interface.writeInt(i24, cp, endian);
-                    const mapping = try std.fmt.parseInt(i24, field, 16);
-                    try writer.interface.writeInt(i24, mapping - cp, endian);
-                },
-
-                else => {},
-            }
-        }
-    } else |err| switch (err) {
-        error.EndOfStream => {},
-        else => {
-            return err;
-        },
-    }
-    try writer.interface.writeInt(u24, 0, endian);
-    try writer.interface.flush();
-}
-- 
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