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authorGravatar Sam Atman2026-02-05 07:30:20 -0500
committerGravatar Sam Atman2026-02-05 07:30:20 -0500
commit1b28f5075706d9df7187058d6f7fdfe6d0eadefb (patch)
tree6daa618ae2c2b4207767a9ec413c7726e3e4e537 /codegen/upper.zig
parentBase units do not allocate (diff)
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Delete upper and lower.zig
Diffstat (limited to '')
-rw-r--r--codegen/upper.zig56
1 files changed, 0 insertions, 56 deletions
diff --git a/codegen/upper.zig b/codegen/upper.zig
deleted file mode 100644
index 5eb29e7..0000000
--- a/codegen/upper.zig
+++ /dev/null
@@ -1,56 +0,0 @@
1const std = @import("std");
2const builtin = @import("builtin");
3
4pub fn main() anyerror!void {
5 var arena = std.heap.ArenaAllocator.init(std.heap.page_allocator);
6 defer arena.deinit();
7 const allocator = arena.allocator();
8
9 var write_buf: [4096]u8 = undefined;
10 // Process UnicodeData.txt
11 var in_reader = std.io.Reader.fixed(@embedFile("UnicodeData.txt"));
12 var args_iter = try std.process.argsWithAllocator(allocator);
13 defer args_iter.deinit();
14 _ = args_iter.skip();
15 const output_path = args_iter.next() orelse @panic("No output file arg!");
16
17 var out_file = try std.fs.cwd().createFile(output_path, .{});
18 defer out_file.close();
19 var file_writer = out_file.writer(&write_buf);
20 const endian = builtin.cpu.arch.endian();
21
22 lines: while (in_reader.takeDelimiterInclusive('\n')) |took| {
23 const line = std.mem.trimRight(u8, took, "\n");
24 if (line.len == 0) continue;
25
26 var field_iter = std.mem.splitScalar(u8, line, ';');
27 var cp: i24 = undefined;
28
29 var i: usize = 0;
30 while (field_iter.next()) |field| : (i += 1) {
31 switch (i) {
32 0 => cp = try std.fmt.parseInt(i24, field, 16),
33
34 2 => if (line[0] == '<') continue :lines,
35
36 12 => {
37 // Simple uppercase mapping
38 if (field.len == 0) continue :lines;
39 try file_writer.interface.writeInt(i24, cp, endian);
40 const mapping = try std.fmt.parseInt(i24, field, 16);
41 try file_writer.interface.writeInt(i24, mapping - cp, endian);
42 },
43
44 else => {},
45 }
46 }
47 } else |err| switch (err) {
48 error.EndOfStream => {},
49 else => {
50 return err;
51 },
52 }
53
54 try file_writer.interface.writeInt(u24, 0, endian);
55 try file_writer.interface.flush();
56}