az65 0.1.11

A multi-CPU assembler
Documentation 
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
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150

use std::{cell::RefCell, io::Write, marker::PhantomData, path::Path, rc::Rc};

use fxhash::FxHashMap;

use crate::{
    debug::{DebugExporter, DebugExporterError},
    fileman::{FileManager, FileSystem},
    intern::StrInterner,
    symtab::{Symbol, Symtab},
};

pub struct Sym<S> {
    marker: PhantomData<S>,
}

impl<S> Sym<S> {
    #[inline]
    pub fn new() -> Self {
        Self {
            marker: PhantomData,
        }
    }
}

impl<S> DebugExporter for Sym<S>
where
    S: FileSystem,
{
    type FileSystem = S;

    fn export(
        &mut self,
        file_manager: &mut FileManager<Self::FileSystem>,
        str_interner: &Rc<RefCell<StrInterner>>,
        symtab: &Symtab,
        cwd: &Path,
        path: &Path,
    ) -> Result<(), DebugExporterError> {
        let mut hram_entries = Vec::new();
        let mut wram_banks = FxHashMap::default();
        let mut sram_banks = FxHashMap::default();
        let mut vram_banks = FxHashMap::default();
        let mut rom_banks = FxHashMap::default();

        for (strref, _) in symtab {
            let sym = symtab.get(*strref).unwrap();
            let value = match sym.inner() {
                Symbol::Value(value) => *value,
                Symbol::Expr(expr) => expr.evaluate(symtab, &str_interner).unwrap(),
            };
            let meta = symtab.meta_interner().get(sym.meta()).unwrap();

            let interner = str_interner.as_ref().borrow();
            let mut sram = false;
            let mut wram = false;
            let mut vram = false;
            let mut hram = false;
            let mut rom = false;
            let mut bank = None;
            for pair in meta {
                let key = interner.get(pair[0]).unwrap();
                let value = interner.get(pair[1]).unwrap();
                match (key, value) {
                    ("ID", "WRAM") => wram = true,
                    ("ID", "SRAM") => sram = true,
                    ("ID", "VRAM") => vram = true,
                    ("ID", "HRAM") => hram = true,
                    ("ID", "ROM") => rom = true,
                    ("BANK", value) => {
                        if let Ok(value) = usize::from_str_radix(value, 16) {
                            bank = Some(value);
                        }
                    }
                    _ => {}
                }
            }

            if hram {
                hram_entries.push((strref, value as u16));
            }

            if let Some(bank) = bank {
                if rom {
                    rom_banks
                        .entry(bank)
                        .or_insert_with(Vec::new)
                        .push((strref, value as u16));
                }
                if wram {
                    wram_banks
                        .entry(bank)
                        .or_insert_with(Vec::new)
                        .push((strref, value as u16));
                }
                if sram {
                    sram_banks
                        .entry(bank)
                        .or_insert_with(Vec::new)
                        .push((strref, value as u16));
                }
                if vram {
                    vram_banks
                        .entry(bank)
                        .or_insert_with(Vec::new)
                        .push((strref, value as u16));
                }
            }
        }

        let (_, mut writer) = match file_manager.writer(&cwd, &path) {
            Ok(tup) => tup,
            Err(e) => {
                return Err(DebugExporterError::new(format!(
                    "Failed to open \"{}\" for wrting: {e}",
                    path.display()
                )));
            }
        };

        let interner = str_interner.as_ref().borrow();
        for (label, value) in hram_entries {
            let label = interner.get(*label).unwrap();
            if let Err(e) = writeln!(writer, "{value:04X} {label}") {
                return Err(DebugExporterError::new(format!(
                    "Failed to write to \"{}\": {e}",
                    path.display()
                )));
            }
        }

        for (bank, entries) in rom_banks
            .iter()
            .chain(wram_banks.iter())
            .chain(sram_banks.iter())
            .chain(vram_banks.iter())
        {
            for (&label, value) in entries {
                let label = interner.get(label).unwrap();
                if let Err(e) = writeln!(writer, "{bank:X}:{value:04X} {label}") {
                    return Err(DebugExporterError::new(format!(
                        "Failed to write to \"{}\": {e}",
                        path.display()
                    )));
                }
            }
        }

        Ok(())
    }
}