iemelyanov

// Precedence climbing
//
// Source: https://www.engr.mun.ca/~theo/Misc/exp_parsing.htm#climbing
//
//
// Eparser is
//    var t : Tree
//    t := Exp( 0 )
//    expect( end )
//    return t

iemelyanov

#include <sys/select.h>
#include <termios.h>
#include <unistd.h>

#include <csignal>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>

iemelyanov

use libc::{EPOLLIN, EPOLL_CTL_ADD, EPOLL_CTL_DEL, EPOLL_CTL_MOD};
use std::collections::HashMap;
use std::io;
use std::io::ErrorKind;
use std::net::TcpListener;
use std::os::unix::io::AsRawFd;
use std::ptr;

macro_rules! syscall {
    ($fn: ident ( $($arg: expr),* $(,)* ) ) => {{

iemelyanov

mod ast0 {
    enum BinOp {
        Add,
        Sub,
        Mul,
        Div,
    }

    enum Variable {
        A,

iemelyanov

use std::fmt::Display;

#[derive(Clone, Copy, PartialEq, Eq)]
enum Token {
    Minus,
    Plus,
    Mul,
    Div,
    Num(i32),
    Eof,

iemelyanov

#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>

struct paddr_val {
	uint64_t paddr;
	uint64_t val;
};

int paddr_val_cmp(const void *a, const void *b)

iemelyanov

#include <cstddef>
#include <cstdint>
#include <iostream>
#include <variant>
#include <vector>

typedef int64_t i64;
typedef uint64_t u64;
typedef float f32;
typedef double f64;

iemelyanov

/*

    =======
    Grammar
    =======

Syntax
------

expression     → literal

iemelyanov

#include <arpa/inet.h>
#include <errno.h>
#include <fcntl.h>
#include <netinet/in.h>
#include <sys/epoll.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <unistd.h>
#include <stdbool.h>
#include <stdio.h>

iemelyanov

.PHONY: help

# This is a code for automatic help generator.
# It supports ANSI colors and categories.
# To add new item into help output, simply add comments
# starting with '##'. To add category, use @category.
GREEN  := $(shell tput -Txterm setaf 2)
WHITE  := $(shell tput -Txterm setaf 7)
YELLOW := $(shell tput -Txterm setaf 3)
RESET  := $(shell tput -Txterm sgr0)