From 5d9080f1eac3147754ade3d50e64f6def4b6eb25 Mon Sep 17 00:00:00 2001 From: Jose Colon Rodriguez Date: Thu, 15 Feb 2024 10:21:30 -0400 Subject: New single byte props table --- codegen/gbp.zig | 280 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 280 insertions(+) create mode 100644 codegen/gbp.zig (limited to 'codegen/gbp.zig') diff --git a/codegen/gbp.zig b/codegen/gbp.zig new file mode 100644 index 0000000..7e45ddf --- /dev/null +++ b/codegen/gbp.zig @@ -0,0 +1,280 @@ +const std = @import("std"); + +const Indic = enum { + none, + + Consonant, + Extend, + Linker, +}; + +const Gbp = enum { + none, + + Control, + CR, + Extend, + L, + LF, + LV, + LVT, + Prepend, + Regional_Indicator, + SpacingMark, + T, + V, + ZWJ, +}; + +const block_size = 256; +const Block = [block_size]u16; + +const BlockMap = std.HashMap( + Block, + u16, + struct { + pub fn hash(_: @This(), k: Block) u64 { + var hasher = std.hash.Wyhash.init(0); + std.hash.autoHashStrat(&hasher, k, .DeepRecursive); + return hasher.final(); + } + + pub fn eql(_: @This(), a: Block, b: Block) bool { + return std.mem.eql(u16, &a, &b); + } + }, + std.hash_map.default_max_load_percentage, +); + +pub fn main() !void { + var arena = std.heap.ArenaAllocator.init(std.heap.page_allocator); + defer arena.deinit(); + const allocator = arena.allocator(); + + var indic_map = std.AutoHashMap(u21, Indic).init(allocator); + defer indic_map.deinit(); + + var gbp_map = std.AutoHashMap(u21, Gbp).init(allocator); + defer gbp_map.deinit(); + + var emoji_set = std.AutoHashMap(u21, void).init(allocator); + defer emoji_set.deinit(); + + var line_buf: [4096]u8 = undefined; + + // Process Indic + var indic_file = try std.fs.cwd().openFile("unicode/DerivedCoreProperties.txt", .{}); + defer indic_file.close(); + var indic_buf = std.io.bufferedReader(indic_file.reader()); + const indic_reader = indic_buf.reader(); + + while (try indic_reader.readUntilDelimiterOrEof(&line_buf, '\n')) |line| { + if (line.len == 0 or line[0] == '#') continue; + if (std.mem.indexOf(u8, line, "InCB") == null) continue; + const no_comment = if (std.mem.indexOfScalar(u8, line, '#')) |octo| line[0..octo] else line; + + var field_iter = std.mem.tokenizeAny(u8, no_comment, "; "); + var current_code: [2]u21 = undefined; + + var i: usize = 0; + while (field_iter.next()) |field| : (i += 1) { + switch (i) { + 0 => { + // Code point(s) + if (std.mem.indexOf(u8, field, "..")) |dots| { + current_code = .{ + try std.fmt.parseInt(u21, field[0..dots], 16), + try std.fmt.parseInt(u21, field[dots + 2 ..], 16), + }; + } else { + const code = try std.fmt.parseInt(u21, field, 16); + current_code = .{ code, code }; + } + }, + 2 => { + // Prop + const prop = std.meta.stringToEnum(Indic, field) orelse return error.InvalidPorp; + for (current_code[0]..current_code[1] + 1) |cp| try indic_map.put(@intCast(cp), prop); + }, + else => {}, + } + } + } + + // Process GBP + var gbp_file = try std.fs.cwd().openFile("unicode/auxiliary/GraphemeBreakProperty.txt", .{}); + defer gbp_file.close(); + var gbp_buf = std.io.bufferedReader(gbp_file.reader()); + const gbp_reader = gbp_buf.reader(); + + while (try gbp_reader.readUntilDelimiterOrEof(&line_buf, '\n')) |line| { + if (line.len == 0 or line[0] == '#') continue; + const no_comment = if (std.mem.indexOfScalar(u8, line, '#')) |octo| line[0..octo] else line; + + var field_iter = std.mem.tokenizeAny(u8, no_comment, "; "); + var current_code: [2]u21 = undefined; + + var i: usize = 0; + while (field_iter.next()) |field| : (i += 1) { + switch (i) { + 0 => { + // Code point(s) + if (std.mem.indexOf(u8, field, "..")) |dots| { + current_code = .{ + try std.fmt.parseInt(u21, field[0..dots], 16), + try std.fmt.parseInt(u21, field[dots + 2 ..], 16), + }; + } else { + const code = try std.fmt.parseInt(u21, field, 16); + current_code = .{ code, code }; + } + }, + 1 => { + // Prop + const prop = std.meta.stringToEnum(Gbp, field) orelse return error.InvalidPorp; + for (current_code[0]..current_code[1] + 1) |cp| try gbp_map.put(@intCast(cp), prop); + }, + else => {}, + } + } + } + + // Process Emoji + var emoji_file = try std.fs.cwd().openFile("unicode/emoji/emoji-data.txt", .{}); + defer emoji_file.close(); + var emoji_buf = std.io.bufferedReader(emoji_file.reader()); + const emoji_reader = emoji_buf.reader(); + + while (try emoji_reader.readUntilDelimiterOrEof(&line_buf, '\n')) |line| { + if (line.len == 0 or line[0] == '#') continue; + if (std.mem.indexOf(u8, line, "Extended_Pictographic") == null) continue; + const no_comment = if (std.mem.indexOfScalar(u8, line, '#')) |octo| line[0..octo] else line; + + var field_iter = std.mem.tokenizeAny(u8, no_comment, "; "); + + var i: usize = 0; + while (field_iter.next()) |field| : (i += 1) { + switch (i) { + 0 => { + // Code point(s) + if (std.mem.indexOf(u8, field, "..")) |dots| { + const from = try std.fmt.parseInt(u21, field[0..dots], 16); + const to = try std.fmt.parseInt(u21, field[dots + 2 ..], 16); + for (from..to + 1) |cp| try emoji_set.put(@intCast(cp), {}); + } else { + const cp = try std.fmt.parseInt(u21, field, 16); + try emoji_set.put(@intCast(cp), {}); + } + }, + else => {}, + } + } + } + + var blocks_map = BlockMap.init(allocator); + defer blocks_map.deinit(); + + var stage1 = std.ArrayList(u16).init(allocator); + defer stage1.deinit(); + + var stage2 = std.ArrayList(u16).init(allocator); + defer stage2.deinit(); + + var stage3 = std.AutoArrayHashMap(u8, u16).init(allocator); + defer stage3.deinit(); + var stage3_len: u16 = 0; + + var block: Block = [_]u16{0} ** block_size; + var block_len: u16 = 0; + + for (0..0x110000) |i| { + const cp: u21 = @intCast(i); + const gbp_prop: u8 = @intFromEnum(gbp_map.get(cp) orelse .none); + const indic_prop: u8 = @intFromEnum(indic_map.get(cp) orelse .none); + const emoji_prop: u1 = @intFromBool(emoji_set.contains(cp)); + var props_byte: u8 = gbp_prop << 4; + props_byte |= indic_prop << 1; + props_byte |= emoji_prop; + + const stage3_idx = blk: { + const gop = try stage3.getOrPut(props_byte); + if (!gop.found_existing) { + gop.value_ptr.* = stage3_len; + stage3_len += 1; + } + + break :blk gop.value_ptr.*; + }; + + block[block_len] = stage3_idx; + block_len += 1; + + if (block_len < block_size and cp != 0x10ffff) continue; + + const gop = try blocks_map.getOrPut(block); + if (!gop.found_existing) { + gop.value_ptr.* = @intCast(stage2.items.len); + try stage2.appendSlice(&block); + } + + try stage1.append(gop.value_ptr.*); + block_len = 0; + } + + var args_iter = std.process.args(); + _ = 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 out_buf = std.io.bufferedWriter(out_file.writer()); + const writer = out_buf.writer(); + + const prop_code = + \\const std = @import("std"); + \\ + \\pub const Indic = enum { + \\ none, + \\ + \\ Consonant, + \\ Extend, + \\ Linker, + \\}; + \\ + \\pub const Gbp = enum { + \\ none, + \\ Control, + \\ CR, + \\ Extend, + \\ L, + \\ LF, + \\ LV, + \\ LVT, + \\ Prepend, + \\ Regional_Indicator, + \\ SpacingMark, + \\ T, + \\ V, + \\ ZWJ, + \\}; + \\ + ; + + try writer.writeAll(prop_code); + + try writer.print("const Stage2Int = std.math.IntFittingRange(0, {});\n", .{stage2.items.len}); + try writer.print("pub const stage_1 = [{}]Stage2Int{{", .{stage1.items.len}); + for (stage1.items) |v| try writer.print("{},", .{v}); + try writer.writeAll("};\n"); + + try writer.print("const Stage3Int = std.math.IntFittingRange(0, {});\n", .{stage3_len}); + try writer.print("pub const stage_2 = [{}]Stage3Int{{", .{stage2.items.len}); + for (stage2.items) |v| try writer.print("{},", .{v}); + try writer.writeAll("};\n"); + + try writer.print("pub const stage_3 = [{}]u8{{", .{stage3_len}); + for (stage3.keys()) |v| try writer.print("{},", .{v}); + try writer.writeAll("};\n"); + + try out_buf.flush(); +} -- cgit v1.2.3