tiny.choir.backends.artifact.serialization.metadata

1const std = @import("std");2const artifact = @import("../root.zig");3const format = @import("root.zig").format;45pub const Decoded = struct {6    allocator: std.mem.Allocator,7    value: artifact.Metadata,89    pub fn deinit(self: *Decoded) void {10        self.allocator.free(@constCast(self.value.target.features));11        self.* = undefined;12    }13};1415pub fn write(writer: *format.Writer, value: artifact.Metadata) format.WriteError!void {16    try writer.writeTag(value.kind);17    try writer.writeOptionalString(value.producer);18    try writer.writeTag(value.target.architecture);19    try writer.writeOptionalString(value.target.triple);20    try writer.writeOptionalString(value.target.vendor);21    try writer.writeOptionalString(value.target.os);22    try writer.writeOptionalString(value.target.environment);23    try writer.writeOptionalString(value.target.cpu);24    try writer.writeCount(value.target.features.len);25    for (value.target.features) |feature| try writer.writeString(feature);26    try writer.writeOptionalString(value.abi.name);27    try writer.writeOptionalString(value.abi.calling_convention);28    try writer.writeOptionalString(value.abi.object_format);29    try writer.writeOptionalU16(value.abi.pointer_width_bits);30    try writer.writeBool(value.abi.endianness != null);31    if (value.abi.endianness) |endianness| try writer.writeTag(endianness);32}3334pub fn read(allocator: std.mem.Allocator, reader: *format.Reader) (format.Error || std.mem.Allocator.Error)!Decoded {35    const kind = try reader.readTag(artifact.ArtifactKind);36    const producer = try reader.readOptionalString();37    const architecture = try reader.readTag(artifact.Architecture);38    const triple = try reader.readOptionalString();39    const vendor = try reader.readOptionalString();40    const os = try reader.readOptionalString();41    const environment = try reader.readOptionalString();42    const cpu = try reader.readOptionalString();43    const feature_count = try reader.readCount();44    const features = try allocator.alloc([]const u8, feature_count);45    errdefer allocator.free(features);46    for (features) |*feature| feature.* = try reader.readString();47    const abi_name = try reader.readOptionalString();48    const calling_convention = try reader.readOptionalString();49    const object_format = try reader.readOptionalString();50    const pointer_width_bits = try reader.readOptionalU16();51    const endianness = if (try reader.readBool()) try reader.readTag(artifact.Endianness) else null;52    return .{53        .allocator = allocator,54        .value = .{55            .kind = kind,56            .producer = producer,57            .target = .{58                .architecture = architecture,59                .triple = triple,60                .vendor = vendor,61                .os = os,62                .environment = environment,63                .cpu = cpu,64                .features = features,65            },66            .abi = .{67                .name = abi_name,68                .calling_convention = calling_convention,69                .object_format = object_format,70                .pointer_width_bits = pointer_width_bits,71                .endianness = endianness,72            },73        },74    };75}

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