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-rw-r--r--codegen/emoji.zig82
1 files changed, 0 insertions, 82 deletions
diff --git a/codegen/emoji.zig b/codegen/emoji.zig
deleted file mode 100644
index 6dbb74f..0000000
--- a/codegen/emoji.zig
+++ /dev/null
@@ -1,82 +0,0 @@
1const std = @import("std");
2
3const emoji = @import("ziglyph").emoji;
4
5const block_size = 256;
6const Block = [block_size]bool;
7
8const BlockMap = std.HashMap(
9 Block,
10 u16,
11 struct {
12 pub fn hash(_: @This(), k: Block) u64 {
13 var hasher = std.hash.Wyhash.init(0);
14 std.hash.autoHashStrat(&hasher, k, .DeepRecursive);
15 return hasher.final();
16 }
17
18 pub fn eql(_: @This(), a: Block, b: Block) bool {
19 return std.mem.eql(bool, &a, &b);
20 }
21 },
22 std.hash_map.default_max_load_percentage,
23);
24
25pub fn main() !void {
26 var arena = std.heap.ArenaAllocator.init(std.heap.page_allocator);
27 defer arena.deinit();
28 const allocator = arena.allocator();
29
30 var blocks_map = BlockMap.init(allocator);
31 defer blocks_map.deinit();
32
33 var stage1 = std.ArrayList(u16).init(allocator);
34 defer stage1.deinit();
35
36 var stage2 = std.ArrayList(bool).init(allocator);
37 defer stage2.deinit();
38
39 var block: Block = [_]bool{false} ** block_size;
40 var block_len: u16 = 0;
41
42 for (0..0x10ffff + 1) |cp| {
43 const isEmoji = emoji.isExtendedPictographic(@intCast(cp));
44
45 block[block_len] = isEmoji;
46 block_len += 1;
47
48 if (block_len < block_size and cp != 0x10ffff) continue;
49
50 const gop = try blocks_map.getOrPut(block);
51 if (!gop.found_existing) {
52 gop.value_ptr.* = @intCast(stage2.items.len);
53 try stage2.appendSlice(&block);
54 }
55
56 try stage1.append(gop.value_ptr.*);
57 block_len = 0;
58 }
59
60 var args_iter = std.process.args();
61 _ = args_iter.skip();
62 const output_path = args_iter.next() orelse @panic("No output file arg!");
63
64 var out_file = try std.fs.cwd().createFile(output_path, .{});
65 defer out_file.close();
66 var out_buf = std.io.bufferedWriter(out_file.writer());
67 const writer = out_buf.writer();
68
69 try writer.print("pub const stage_1 = [{}]u16{{", .{stage1.items.len});
70 for (stage1.items) |v| {
71 _ = try writer.print("{},", .{v});
72 }
73 try writer.writeAll("};\n");
74
75 try writer.print("pub const stage_2 = [{}]bool{{", .{stage2.items.len});
76 for (stage2.items) |v| {
77 _ = try writer.print("{},", .{v});
78 }
79 try writer.writeAll("};\n");
80
81 try out_buf.flush();
82}