ccdb_script/
var.rs

1
2//use std::mem;
3use crate::_mem;
4
5#[derive(Clone)]
6pub struct Var {
7    pub var: Vec<String>,
8    pub var_name: Vec<String>,
9    pub max_mem: u64,
10}
11impl Var {
12    pub fn new() -> Var {
13        Var {
14            var: Vec::new(),
15            var_name: Vec::new(),
16            max_mem:0,
17        }
18    }
19    //make a new Var thats a string the only 2 variables in this language
20    pub fn new_var(&mut self, name: &str, value: &str) {
21        
22
23        self.var.push(value.to_string());
24        self.var_name.push(name.to_string());
25        self._chk_mem();
26
27    }
28    // get a Var from memory #MEM:var
29    pub fn get_var(&mut self, name: String) -> String {
30        self._chk_mem();
31        let x = self.var_name.iter().position(|x| *x == name);
32        match x {
33            Some(a) => {
34                return self.var[a].clone();
35            }
36            None => {
37                panic!("no var {}", name);
38            }
39        }
40    }
41    //update the variable
42    pub fn _up_var(&mut self, name: &str, new_val: &str) {
43        let x = self.var_name.iter().position(|x| *x == name).unwrap();
44
45        self.var[x] = new_val.to_string();
46        self._chk_mem();
47
48    }
49    pub fn del_var(&mut self, name: &str) {
50        let x = self.var_name.iter().position(|x| *x == name).unwrap();
51        self.var.remove(x);
52        self.var_name.remove(x);
53    }
54    pub fn _chk_mem(&self){
55        if self.max_mem  != 0{
56            let mem_foot = _mem::get_size(self.var.clone()) + _mem::get_size(self.var_name.clone());
57            
58
59            if mem_foot > self.max_mem{
60                panic!("You are using too much memory, you are using: {} bytes while you are only allowed to use: {} bytes",mem_foot,self.max_mem);
61                /*println!("{},{}",self.var.len(),self.var_name.len());
62                println!("{},{}",mem::size_of_val(&self.var),mem::size_of_val(&self.var_name));*/
63                
64
65            }
66        }
67
68    }
69    pub fn set_max_mem(&mut self, max: u64){
70        self.max_mem = max;
71    }
72    pub fn _dump(&mut self) {
73        for x in 0..self.var_name.len() {
74            print!("{}: ", self.var_name[x]);
75            print!("{}\n", self.var[x]);
76        }
77    }
78}
ccdb_script/var.rs

ccdb_script/
var.rs
