blob: 8ca209c819f1817d5451d8b6a7dcb9fa39a99bee (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
/**
* Alee Forth: A portable and concise Forth implementation in modern C++.
* Copyright (C) 2023 Clyne Sullivan <clyne@bitgloo.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "memdict.hpp"
#include "parser.hpp"
#include <iostream>
// : variable create 0 , ;
// : create here constant ;
// : constant
int main()
{
MemDict dict;
State state (dict);
Parser parser;
for (;;) {
std::string line;
std::cout << state.size() << ' ' << state.compiling << "> ";
std::getline(std::cin, line);
ParseStatus r;
std::string_view lv (line);
do {
r = parser.parse(state, lv);
} while (r == ParseStatus::Continue);
if (r != ParseStatus::Finished)
std::cout << "r " << to_string(r) << std::endl;
}
return 0;
}
int user_sys(State& state)
{
const auto value = state.pop();
std::cout << value << std::endl;
return 0;
}
|
