makepad_live_compiler/
live_ptr.rs

1#![allow(dead_code)]
2
3use{
4    crate::{
5        makepad_live_tokenizer::LiveId,
6    },
7    std::fmt,
8};
9 
10#[derive(Clone, Copy, Default, Debug, Eq, Ord, PartialOrd, Hash, PartialEq)]
11pub struct LiveFileId(pub u16);
12
13impl LiveFileId {
14    pub fn new(index: usize) -> LiveFileId {LiveFileId(index as u16)}
15    pub fn to_index(&self) -> usize {self.0 as usize}
16}
17
18//TODO FIX THIS THING TO BE N LEVELS OF MODULES
19#[derive(Default, Clone, Eq, Hash, Debug, Copy, PartialEq, PartialOrd, Ord)]
20pub struct LiveModuleId(pub LiveId, pub LiveId);
21
22impl LiveModuleId {
23    pub fn from_str(module_path: &str) -> Result<Self,
24    String> {
25        // ok lets split off the first 2 things from module_path
26        let bytes = module_path.as_bytes();
27        let len = bytes.len();
28        // we have to find the first :
29        let mut crate_id = LiveId(0);
30        let mut i = 0;
31        while i < len {
32            if bytes[i] == b':' {
33                crate_id = LiveId::from_str_with_lut(std::str::from_utf8(&bytes[0..i]).unwrap()) ?;
34                i += 2;
35                break
36            }
37            i += 1;
38        }
39        if i == len { // module_path is only one thing
40            Ok(LiveModuleId(LiveId(0), LiveId::from_str_with_lut(std::str::from_utf8(&bytes[0..len]).unwrap()) ?))
41        } else {
42            Ok(LiveModuleId(crate_id, LiveId::from_str_with_lut(std::str::from_utf8(&bytes[i..len]).unwrap()) ?))
43        }
44    }
45
46}
47
48impl fmt::Display for LiveModuleId {
49    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
50        write!(f, "{}::{}", self.0, self.1)
51    }
52}
53/*
54#[derive(Clone, Debug, Eq, Hash, Ord, PartialOrd, Copy, PartialEq)]
55pub struct LocalPtr(pub usize);
56*/
57
58#[derive(Copy, Default, Clone, Debug, Eq, Hash, Ord, PartialOrd, PartialEq)]
59pub struct LiveFileGeneration(u16);
60
61impl LiveFileGeneration{
62    pub fn next_gen(&mut self){
63        self.0+=1
64    }
65}
66
67impl fmt::Display for LiveFileGeneration {
68    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
69        write!(f, "{}", self.0)
70    }
71}
72
73#[derive(Clone, Debug, Eq, Hash, Copy, Ord, PartialOrd, PartialEq)]
74pub struct LivePtr {
75    pub file_id: LiveFileId,
76    pub generation: LiveFileGeneration,
77    pub index: u32,
78}
79
80pub type LiveRef = Option<LivePtr>;
81 
82impl LivePtr{
83    pub fn invalid()->Self{
84        Self{
85            file_id: LiveFileId::default(),
86            generation: LiveFileGeneration(u16::MAX),
87            index: 0
88        }
89    }
90    
91    pub fn is_invalid(&self)->bool{
92        self.generation.0 == u16::MAX
93    }
94    
95    pub fn node_index(&self)->usize{
96        self.index as usize
97    }
98    
99    pub fn with_index(&self, index:usize)->Self{
100        Self{file_id:self.file_id, index:index as u32, generation:self.generation}
101    }
102
103    pub fn from_index(file_id:LiveFileId, index:usize, generation:LiveFileGeneration)->Self{
104        Self{file_id, index:index as u32, generation}
105    }
106}
107
108impl fmt::Display for LivePtr {
109    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
110        write!(f, "{}_{}", self.file_id.0, self.index)
111    }
112}
makepad_live_compiler/live_ptr.rs

makepad_live_compiler/
live_ptr.rs
