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const std = @import("std");
const elfo = @import("elfo.zig");
pub fn main(init: std.process.Init.Minimal) !void {
var args = init.args.iterate();
_ = args.skip();
const subject = args.next() orelse "./study-samples/frog";
std.debug.print("arg: {s}\n", .{subject});
var debug_alloc: std.heap.DebugAllocator(.{}) = .init;
const alloc = debug_alloc.allocator();
var threaded: std.Io.Threaded = .init(alloc, .{
.argv0 = .init(init.args),
.environ = init.environ,
});
defer threaded.deinit();
const io = threaded.io();
// var evented: std.Io.Evented = undefined;
// try evented.init(alloc, .{
// .argv0 = .init(init.args),
// .environ = init.environ,
// .backing_allocator_needs_mutex = false,
// });
// defer evented.deinit();
// const io = evented.io();
// const f = try std.Io.Dir.cwd().openFile(io, subject, .{ .mode = .read_only });
// std.debug.print("file: {any}\n", .{f});
var child = try std.process.spawn(io, .{
.argv = &.{subject},
.stdout = .pipe,
.stdin = .inherit,
});
const buf = try alloc.alloc(u8, 0x400);
defer alloc.free(buf);
_ = try child.stdout.?.readStreaming(io, &.{buf});
std.debug.print("spawned child: {any}\n", .{child});
// io.async(function: anytype, args: (unknown type))
var child_fut = io.async(std.process.Child.wait, .{ &child, io });
const child_out = try child_fut.await(io);
// const child_out = try child.wait(io);
std.debug.print("stdout: {s}\n", .{buf});
{
var buffer: [64]u8 = undefined;
const stderr = try io.lockStderr(&buffer, .escape_codes);
defer io.unlockStderr();
const term = stderr.terminal();
try elfo.printHexdump(u8, term.writer, term, buf, 0);
}
std.debug.print("waited term: {any}\n", .{child_out});
}
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