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authorGravatar Michael Chaten2025-09-13 08:38:24 -0700
committerGravatar Michael Chaten2025-09-14 01:48:41 -0700
commita3b5e884b12fdaa341010ef41bb9382fa0cd89f8 (patch)
tree8bdd22c1c54da0b56ef6b9fe0dc4c2ca667b71a3 /codegen/lower.zig
parentUpdate build to 0.15.0 (diff)
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Update codebase to Zig 0.15.1.
Removes compression support
Diffstat (limited to 'codegen/lower.zig')
-rw-r--r--codegen/lower.zig26
1 files changed, 14 insertions, 12 deletions
diff --git a/codegen/lower.zig b/codegen/lower.zig
index a053fe3..c11cb0a 100644
--- a/codegen/lower.zig
+++ b/codegen/lower.zig
@@ -6,27 +6,25 @@ pub fn main() !void {
6 defer arena.deinit(); 6 defer arena.deinit();
7 const allocator = arena.allocator(); 7 const allocator = arena.allocator();
8 8
9 var line_buf: [4096]u8 = undefined;
10 var write_buf: [4096]u8 = undefined;
9 // Process UnicodeData.txt 11 // Process UnicodeData.txt
10 var in_file = try std.fs.cwd().openFile("data/unicode/UnicodeData.txt", .{}); 12 var in_file = try std.fs.cwd().openFile("data/unicode/UnicodeData.txt", .{});
11 defer in_file.close(); 13 defer in_file.close();
12 var in_buf = std.io.bufferedReader(in_file.reader()); 14 var in_reader = in_file.reader(&line_buf);
13 const in_reader = in_buf.reader();
14 15
15 var args_iter = try std.process.argsWithAllocator(allocator); 16 var args_iter = try std.process.argsWithAllocator(allocator);
16 defer args_iter.deinit(); 17 defer args_iter.deinit();
17 _ = args_iter.skip(); 18 _ = args_iter.skip();
18 const output_path = args_iter.next() orelse @panic("No output file arg!"); 19 const output_path = args_iter.next() orelse @panic("No output file arg!");
19 20
20 const compressor = std.compress.flate.deflate.compressor;
21 var out_file = try std.fs.cwd().createFile(output_path, .{}); 21 var out_file = try std.fs.cwd().createFile(output_path, .{});
22 defer out_file.close(); 22 defer out_file.close();
23 var out_comp = try compressor(.raw, out_file.writer(), .{ .level = .best }); 23 var writer = out_file.writer(&write_buf);
24 const writer = out_comp.writer();
25 24
26 const endian = builtin.cpu.arch.endian(); 25 const endian = builtin.cpu.arch.endian();
27 var line_buf: [4096]u8 = undefined;
28 26
29 lines: while (try in_reader.readUntilDelimiterOrEof(&line_buf, '\n')) |line| { 27 lines: while (in_reader.interface.takeDelimiterExclusive('\n')) |line| {
30 if (line.len == 0) continue; 28 if (line.len == 0) continue;
31 29
32 var field_iter = std.mem.splitScalar(u8, line, ';'); 30 var field_iter = std.mem.splitScalar(u8, line, ';');
@@ -42,16 +40,20 @@ pub fn main() !void {
42 13 => { 40 13 => {
43 // Simple lowercase mapping 41 // Simple lowercase mapping
44 if (field.len == 0) continue :lines; 42 if (field.len == 0) continue :lines;
45 try writer.writeInt(i24, cp, endian); 43 try writer.interface.writeInt(i24, cp, endian);
46 const mapping = try std.fmt.parseInt(i24, field, 16); 44 const mapping = try std.fmt.parseInt(i24, field, 16);
47 try writer.writeInt(i24, mapping - cp, endian); 45 try writer.interface.writeInt(i24, mapping - cp, endian);
48 }, 46 },
49 47
50 else => {}, 48 else => {},
51 } 49 }
52 } 50 }
51 } else |err| switch (err) {
52 error.EndOfStream => {},
53 else => {
54 return err;
55 },
53 } 56 }
54 57 try writer.interface.writeInt(u24, 0, endian);
55 try writer.writeInt(u24, 0, endian); 58 try writer.interface.flush();
56 try out_comp.flush();
57} 59}