zig/src-self-hosted/package.zig

30 lines
1.0 KiB
Zig
Raw Normal View History

const std = @import("std");
const mem = std.mem;
const assert = std.debug.assert;
const Buffer = std.Buffer;
pub const Package = struct.{
root_src_dir: Buffer,
root_src_path: Buffer,
/// relative to root_src_dir
table: Table,
pub const Table = std.HashMap([]const u8, *Package, mem.hash_slice_u8, mem.eql_slice_u8);
/// makes internal copies of root_src_dir and root_src_path
/// allocator should be an arena allocator because Package never frees anything
pub fn create(allocator: *mem.Allocator, root_src_dir: []const u8, root_src_path: []const u8) !*Package {
return allocator.create(Package.{
.root_src_dir = try Buffer.init(allocator, root_src_dir),
.root_src_path = try Buffer.init(allocator, root_src_path),
.table = Table.init(allocator),
});
}
pub fn add(self: *Package, name: []const u8, package: *Package) !void {
const entry = try self.table.put(try mem.dupe(self.table.allocator, u8, name), package);
assert(entry == null);
}
};