customasm/asm/defs/
symbol.rs

1use crate::*;
2
3
4#[derive(Debug)]
5pub struct Symbol
6{
7    pub item_ref: util::ItemRef<Self>,
8    pub no_emit: bool,
9    pub value_statically_known: bool,
10    pub value: expr::Value,
11    pub resolved: bool,
12    pub bankdef_ref: Option<util::ItemRef<asm::Bankdef>>,
13}
14
15
16pub fn define(
17    _report: &mut diagn::Report,
18    opts: &asm::AssemblyOptions,
19    ast: &asm::AstTopLevel,
20    _decls: &asm::ItemDecls,
21    defs: &mut asm::ItemDefs)
22    -> Result<(), ()>
23{
24    for any_node in &ast.nodes
25    {
26        let asm::AstAny::Symbol(node) = any_node
27            else { continue };
28
29        if defs.symbols
30            .maybe_get(node.item_ref.unwrap())
31            .is_some()
32        {
33            continue;
34        }
35
36
37        let item_ref = node.item_ref.unwrap();
38
39        let value_statically_known = {
40            match node.kind
41            {
42                asm::AstSymbolKind::Constant(ref constant) =>
43                {
44                    let mut provider = expr::StaticallyKnownProvider::new(opts);
45                    provider.query_function = &asm::resolver::resolve_and_get_statically_known_builtin_fn;
46                    
47                    constant.expr.is_value_statically_known(&provider)
48                }
49                
50                _ => false,
51            }
52        };
53
54        let symbol = Symbol {
55            item_ref,
56            no_emit: node.no_emit,
57            value_statically_known,
58            value: expr::Value::make_unknown()
59                .with_symbol_ref(item_ref),
60            resolved: false,
61            bankdef_ref: None,
62        };
63
64        defs.symbols.define(item_ref, symbol);
65    }
66
67
68    Ok(())
69}
customasm/asm/defs/symbol.rs

customasm/asm/defs/
symbol.rs
