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