tiny.choir.composition.loaded.fragment

1const std = @import("std");2const composition = @import("../root.zig");3const loaded = @import("root.zig");45const Allocator = std.mem.Allocator;6const abi = composition.abi;7const model = composition.module;8const source = composition.source;910pub const FragmentVTable = struct {11    invoke: ?*const fn (*anyopaque, *const model.CallSite, *abi.Context, *abi.Frame) abi.Status = null,12    lookup_export: ?*const fn (*anyopaque, []const u8) ?usize = null,13    deinit: *const fn (*anyopaque, Allocator) void,14};1516pub const MaterializedFragment = struct {17    state: *anyopaque,18    vtable: *const FragmentVTable,19};2021pub const FragmentMaterializer = struct {22    id: source.FragmentId,23    context: *anyopaque,24    materialize: *const fn (*anyopaque, Allocator, *const model.CompositionModule, *const model.Fragment) anyerror!MaterializedFragment,25};2627pub const LoadedFragment = struct {28    id: source.FragmentId,29    state: *anyopaque,30    vtable: *const FragmentVTable,31};3233pub fn deinitUnique(34    allocator: Allocator,35    fragments: []const LoadedFragment,36    observer: ?loaded.LifecycleObserver,37) void {38    var index = fragments.len;39    while (index != 0) {40        index -= 1;41        const fragment_value = fragments[index];42        var earlier_index: usize = 0;43        var aliased = false;44        while (earlier_index < index) : (earlier_index += 1) {45            if (fragments[earlier_index].state == fragment_value.state) {46                aliased = true;47                break;48            }49        }50        if (aliased) continue;51        fragment_value.vtable.deinit(fragment_value.state, allocator);52        if (observer) |value| value.record(.{ .fragment_destroyed = fragment_value.id });53    }54}

1pub const fragment = @import("fragment.zig");