nac3/nac3core/src/toplevel/mod.rs

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use std::{
borrow::BorrowMut,
collections::{HashMap, HashSet},
fmt::Debug,
iter::FromIterator,
sync::Arc,
};
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use super::codegen::CodeGenContext;
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use super::typecheck::type_inferencer::PrimitiveStore;
use super::typecheck::typedef::{FunSignature, FuncArg, SharedUnifier, Type, TypeEnum, Unifier};
use crate::{
codegen::CodeGenerator,
symbol_resolver::{SymbolResolver, ValueEnum},
typecheck::{type_inferencer::CodeLocation, typedef::CallId},
};
use inkwell::values::BasicValueEnum;
use itertools::{izip, Itertools};
use nac3parser::ast::{self, Location, Stmt, StrRef};
use parking_lot::RwLock;
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#[derive(PartialEq, Eq, PartialOrd, Ord, Clone, Copy, Hash, Debug)]
pub struct DefinitionId(pub usize);
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pub mod builtins;
pub mod composer;
pub mod helper;
pub mod type_annotation;
use composer::*;
use type_annotation::*;
#[cfg(test)]
mod test;
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type GenCallCallback = Box<
dyn for<'ctx, 'a> Fn(
&mut CodeGenContext<'ctx, 'a>,
Option<(Type, ValueEnum<'ctx>)>,
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(&FunSignature, DefinitionId),
Vec<(Option<StrRef>, ValueEnum<'ctx>)>,
&mut dyn CodeGenerator,
) -> Result<Option<BasicValueEnum<'ctx>>, String>
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+ Send
+ Sync,
>;
pub struct GenCall {
fp: GenCallCallback,
}
impl GenCall {
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#[must_use]
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pub fn new(fp: GenCallCallback) -> GenCall {
GenCall { fp }
}
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pub fn run<'ctx>(
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&self,
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ctx: &mut CodeGenContext<'ctx, '_>,
obj: Option<(Type, ValueEnum<'ctx>)>,
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fun: (&FunSignature, DefinitionId),
args: Vec<(Option<StrRef>, ValueEnum<'ctx>)>,
generator: &mut dyn CodeGenerator,
) -> Result<Option<BasicValueEnum<'ctx>>, String> {
(self.fp)(ctx, obj, fun, args, generator)
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}
}
impl Debug for GenCall {
fn fmt(&self, _: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
Ok(())
}
}
#[derive(Clone, Debug)]
pub struct FunInstance {
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pub body: Arc<Vec<Stmt<Option<Type>>>>,
pub calls: Arc<HashMap<CodeLocation, CallId>>,
pub subst: HashMap<u32, Type>,
pub unifier_id: usize,
}
#[derive(Debug, Clone)]
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pub enum TopLevelDef {
Class {
/// Name for error messages and symbols.
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name: StrRef,
/// Object ID used for [TypeEnum].
object_id: DefinitionId,
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/// type variables bounded to the class.
type_vars: Vec<Type>,
/// Class fields.
///
/// Name and type is mutable.
fields: Vec<(StrRef, Type, bool)>,
/// Class methods, pointing to the corresponding function definition.
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methods: Vec<(StrRef, Type, DefinitionId)>,
/// Ancestor classes, including itself.
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ancestors: Vec<TypeAnnotation>,
/// Symbol resolver of the module defined the class; [None] if it is built-in type.
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resolver: Option<Arc<dyn SymbolResolver + Send + Sync>>,
/// Constructor type.
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constructor: Option<Type>,
/// Definition location.
loc: Option<Location>,
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},
Function {
/// Prefix for symbol, should be unique globally.
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name: String,
/// Simple name, the same as in method/function definition.
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simple_name: StrRef,
/// Function signature.
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signature: Type,
/// Instantiated type variable IDs.
var_id: Vec<u32>,
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/// Function instance to symbol mapping
///
/// * Key: String representation of type variable values, sorted by variable ID in ascending
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/// order, including type variables associated with the class.
/// * Value: Function symbol name.
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instance_to_symbol: HashMap<String, String>,
/// Function instances to annotated AST mapping
///
/// * Key: String representation of type variable values, sorted by variable ID in ascending
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/// order, including type variables associated with the class. Excluding rigid type
/// variables.
///
/// Rigid type variables that would be substituted when the function is instantiated.
instance_to_stmt: HashMap<String, FunInstance>,
/// Symbol resolver of the module defined the class.
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resolver: Option<Arc<dyn SymbolResolver + Send + Sync>>,
/// Custom code generation callback.
codegen_callback: Option<Arc<GenCall>>,
/// Definition location.
loc: Option<Location>,
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},
}
pub struct TopLevelContext {
pub definitions: Arc<RwLock<Vec<Arc<RwLock<TopLevelDef>>>>>,
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pub unifiers: Arc<RwLock<Vec<(SharedUnifier, PrimitiveStore)>>>,
pub personality_symbol: Option<String>,
}