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use std::collections::HashMap;
use std::fmt::{
self,
Debug,
Formatter,
};
macro_rules! mkidtype {
($name:ident) => {
#[repr(transparent)]
#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
pub struct $name(pub u32);
impl $name {
#[allow(dead_code)]
pub const INVALID: Self = Self(u32::MAX);
}
impl From<usize> for $name {
fn from(n: usize) -> Self {
return Self(n as u32);
}
}
impl Into<usize> for $name {
fn into(self) -> usize {
return self.0 as usize;
}
}
};
}
pub(crate) use mkidtype;
mkidtype!(FileId);
mkidtype!(ScopeId);
mkidtype!(SymbolId);
mkidtype!(TypeId);
impl ScopeId {
pub const GLOBAL: Self = Self(0);
}
impl TypeId {
const MVMSK: u32 = 1 << 31;
pub fn to_mvindex(&self) -> Option<usize> {
return if self.0 & Self::MVMSK != 0 {
Some((self.0 & !Self::MVMSK) as usize)
} else {
None
};
}
pub fn from_mvindex(i: usize) -> Self {
return Self(i as u32 & Self::MVMSK);
}
}
#[derive(Debug)]
pub struct Scope {
pub parent: ScopeId,
pub symtab: HashMap<SymbolId, Symbol>,
}
impl Scope {
pub fn new(parent: ScopeId) -> Self {
return Self {
parent,
symtab: HashMap::new(),
};
}
}
#[repr(u8)]
#[derive(Debug, Default)]
pub enum ResolutionState {
#[default]
Unresolved,
Resolving,
Resolved,
Poisoned,
}
#[derive(Debug)]
pub struct Symbol {
pub state: ResolutionState,
pub kind: SymbolType,
}
#[repr(u8)]
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
pub enum SymbolType {
Constant,
FuncParam,
}
pub enum OryxType {
Boolean,
Function {
args: Box<[TypeId]>,
rets: Box<[TypeId]>,
},
Integer {
bits: usize,
signed: bool,
},
Pointer {
base: u32,
},
Type(TypeId),
}
#[derive(Clone, Copy)]
pub struct SubNodes(pub u32, pub u32);
impl Debug for SubNodes {
fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
let __ = format_args!("_");
return f
.debug_tuple("SubNodes")
.field(if self.0 != u32::MAX { &self.0 } else { &__ })
.field(if self.1 != u32::MAX { &self.1 } else { &__ })
.finish();
}
}
impl Default for SubNodes {
fn default() -> Self {
return Self(u32::MAX, u32::MAX);
}
}
|