time_report

pub const time_report = struct {
    /// WebSocket server->client.
    ///
    /// Sent after a `Step` finishes, providing the time taken to execute the step.
    pub const GenericResult = extern struct {
        tag: ToClientTag = .time_report_generic_result,
        step_idx: u32 align(1),
        ns_total: u64 align(1),
    };

    /// WebSocket server->client.
    ///
    /// Sent after a `Step.Compile` finishes, providing the step's time report.
    ///
    /// Trailing:
    /// * `llvm_pass_timings: [llvm_pass_timings_len]u8` (ASCII-encoded)
    /// * for each `files_len`:
    ///   * `name` (null-terminated UTF-8 string)
    /// * for each `decls_len`:
    ///   * `name` (null-terminated UTF-8 string)
    ///   * `file: u32` (index of file this decl is in)
    ///   * `sema_ns: u64` (nanoseconds spent semantically analyzing this decl)
    ///   * `codegen_ns: u64` (nanoseconds spent semantically analyzing this decl)
    ///   * `link_ns: u64` (nanoseconds spent semantically analyzing this decl)
    pub const CompileResult = extern struct {
        tag: ToClientTag = .time_report_compile_result,

        step_idx: u32 align(1),

        flags: Flags,
        stats: Stats align(1),
        ns_total: u64 align(1),

        llvm_pass_timings_len: u32 align(1),
        files_len: u32 align(1),
        decls_len: u32 align(1),

        pub const Flags = packed struct(u8) {
            use_llvm: bool,
            _: u7 = 0,
        };

        pub const Stats = extern struct {
            n_reachable_files: u32,
            n_imported_files: u32,
            n_generic_instances: u32,
            n_inline_calls: u32,

            cpu_ns_parse: u64,
            cpu_ns_astgen: u64,
            cpu_ns_sema: u64,
            cpu_ns_codegen: u64,
            cpu_ns_link: u64,

            real_ns_files: u64,
            real_ns_decls: u64,
            real_ns_llvm_emit: u64,
            real_ns_link_flush: u64,

            pub const init: Stats = .{
                .n_reachable_files = 0,
                .n_imported_files = 0,
                .n_generic_instances = 0,
                .n_inline_calls = 0,
                .cpu_ns_parse = 0,
                .cpu_ns_astgen = 0,
                .cpu_ns_sema = 0,
                .cpu_ns_codegen = 0,
                .cpu_ns_link = 0,
                .real_ns_files = 0,
                .real_ns_decls = 0,
                .real_ns_llvm_emit = 0,
                .real_ns_link_flush = 0,
            };
        };
    };

    /// WebSocket server->client.
    ///
    /// Sent after a `Step.Run` for a Zig test executable finishes, providing the test's time report.
    ///
    /// Trailing:
    /// * for each `tests_len`:
    ///   * `test_ns: u64` (nanoseconds spent running this test)
    /// * for each `tests_len`:
    ///   * `name` (null-terminated UTF-8 string)
    pub const RunTestResult = extern struct {
        tag: ToClientTag = .time_report_run_test_result,
        step_idx: u32 align(1),
        tests_len: u32 align(1),
    };
}