tiny.choir.composition.serialization.variant

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

1const std = @import("std");2const composition = @import("../../root.zig");3const model = @import("../root.zig");4const serialization = @import("root.zig");56const source = composition.source;7const Reader = serialization.format.Reader;8const Writer = serialization.format.Writer;910pub fn write(writer: *Writer, value: model.CompositionVariant) serialization.SerializeError!void {11    try writer.writeInt(u64, value.id.value);12    try serialization.reference.writeAddress(writer, value.choice.target);13    try serialization.reference.writeAddress(writer, value.choice.policy);14    try writer.writeCount(value.fragments.len);15    for (value.fragments) |fragment_id| try writer.writeInt(u64, fragment_id.value);16    try writer.writeCount(value.call_sites.len);17    for (value.call_sites) |call_site| try serialization.call.write(writer, call_site);18}1920pub fn read(21    allocator: std.mem.Allocator,22    reader: *Reader,23    module: *model.CompositionModule,24) serialization.DeserializeError!void {25    const id = model.CompositionVariantId{ .value = try reader.readInt(u64) };26    const target = try serialization.reference.readAddress(reader);27    const policy = try serialization.reference.readAddress(reader);28    const fragment_count = try reader.readCount();29    const fragments = try allocator.alloc(source.FragmentId, fragment_count);30    defer allocator.free(fragments);31    for (fragments) |*fragment_id| fragment_id.* = .{ .value = try reader.readInt(u64) };3233    const call_count = try reader.readCount();34    const call_specs = try allocator.alloc(model.CallSiteSpec, call_count);35    var calls_initialized: usize = 0;36    defer {37        var index = calls_initialized;38        while (index != 0) {39            index -= 1;40            serialization.call.deinitReadSpec(allocator, call_specs[index]);41        }42        allocator.free(call_specs);43    }44    for (call_specs) |*call_spec| {45        call_spec.* = try serialization.call.read(allocator, reader);46        calls_initialized += 1;47    }48    try module.addVariant(.{49        .id = id,50        .choice = .{ .target = target, .policy = policy },51        .fragments = fragments,52        .call_sites = call_specs,53    });54}