const std = @import("std");
const process = std.process;
const flags = @import("flags");

pub fn getArgs(gpa: std.mem.Allocator) process.ArgIterator.InitError!Args {
    const proc_args = try std.process.argsAlloc(gpa);
    defer std.process.argsFree(gpa, proc_args);

    const args = flags.parseOrExit(proc_args, "rfcp", Args, .{});
    return args;
}

pub const Args = struct {
    pub const description =
        \\ A profiler that generates traces of fork, exec, and exit
        \\ system calls with timing information.
    ;

    command: union(enum) {
        record: struct {},
        render: struct {},
        pub const descriptions = .{ .record = "Record a trace of a process tree", .render = "Render a trace in a variety of formats" };
    },
};