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core: Move some SymbolValue functions to symbol_resolver.rs

pull/360/head
David Mak 2023-12-01 15:56:18 +08:00
parent c93ad152d7
commit b6dfcfcc38
2 changed files with 145 additions and 37 deletions
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146
nac3core/src/symbol_resolver.rs
View File

@ -1,11 +1,12 @@
use std::fmt::Debug;
use std::sync::Arc;
use std::{collections::HashMap, fmt::Display};
use std::rc::Rc;
use crate::typecheck::typedef::TypeEnum;
use crate::{
codegen::CodeGenContext,
toplevel::{DefinitionId, TopLevelDef},
toplevel::{DefinitionId, TopLevelDef, type_annotation::TypeAnnotation},
};
use crate::{
codegen::CodeGenerator,
@ -16,7 +17,7 @@ use crate::{
};
use inkwell::values::{BasicValueEnum, FloatValue, IntValue, PointerValue, StructValue};
use itertools::{chain, izip};
use nac3parser::ast::{Expr, Location, StrRef};
use nac3parser::ast::{Constant, Expr, Location, StrRef};
use parking_lot::RwLock;
#[derive(Clone, PartialEq, Debug)]
@ -33,6 +34,147 @@ pub enum SymbolValue {
OptionNone,
}
impl SymbolValue {
/// Creates a [SymbolValue] from a [Constant].
///
/// * `constant` - The constant to create the value from.
/// * `expected_ty` - The expected type of the [SymbolValue].
pub fn from_constant(
constant: &Constant,
expected_ty: Type,
primitives: &PrimitiveStore,
unifier: &mut Unifier
) -> Result<Self, String> {
match constant {
Constant::None => {
if unifier.unioned(expected_ty, primitives.option) {
Ok(SymbolValue::OptionNone)
} else {
Err(format!("Expected {:?}, but got Option", expected_ty))
}
}
Constant::Bool(b) => {
if unifier.unioned(expected_ty, primitives.bool) {
Ok(SymbolValue::Bool(*b))
} else {
Err(format!("Expected {:?}, but got bool", expected_ty))
}
}
Constant::Str(s) => {
if unifier.unioned(expected_ty, primitives.str) {
Ok(SymbolValue::Str(s.to_string()))
} else {
Err(format!("Expected {:?}, but got str", expected_ty))
}
},
Constant::Int(i) => {
if unifier.unioned(expected_ty, primitives.int32) {
i32::try_from(*i)
.map(|val| SymbolValue::I32(val))
.map_err(|e| e.to_string())
} else if unifier.unioned(expected_ty, primitives.int64) {
i64::try_from(*i)
.map(|val| SymbolValue::I64(val))
.map_err(|e| e.to_string())
} else if unifier.unioned(expected_ty, primitives.uint32) {
u32::try_from(*i)
.map(|val| SymbolValue::U32(val))
.map_err(|e| e.to_string())
} else if unifier.unioned(expected_ty, primitives.uint64) {
u64::try_from(*i)
.map(|val| SymbolValue::U64(val))
.map_err(|e| e.to_string())
} else {
Err(format!("Expected {:?}, but got int", expected_ty))
}
}
Constant::Tuple(t) => {
let expected_ty = unifier.get_ty(expected_ty);
let TypeEnum::TTuple { ty } = expected_ty.as_ref() else {
return Err(format!("Expected {:?}, but got Tuple", expected_ty.get_type_name()))
};
assert_eq!(ty.len(), t.len());
let elems = t.into_iter()
.zip(ty)
.map(|(constant, ty)| Self::from_constant(constant, *ty, primitives, unifier))
.collect::<Result<Vec<SymbolValue>, _>>()?;
Ok(SymbolValue::Tuple(elems))
}
Constant::Float(f) => {
if unifier.unioned(expected_ty, primitives.float) {
Ok(SymbolValue::Double(*f))
} else {
Err(format!("Expected {:?}, but got float", expected_ty))
}
},
_ => Err(format!("Unsupported value type {:?}", constant)),
}
}
/// Returns the [Type] representing the data type of this value.
pub fn get_type(&self, primitives: &PrimitiveStore, unifier: &mut Unifier) -> Type {
match self {
SymbolValue::I32(_) => primitives.int32,
SymbolValue::I64(_) => primitives.int64,
SymbolValue::U32(_) => primitives.uint32,
SymbolValue::U64(_) => primitives.uint64,
SymbolValue::Str(_) => primitives.str,
SymbolValue::Double(_) => primitives.float,
SymbolValue::Bool(_) => primitives.bool,
SymbolValue::Tuple(vs) => {
let vs_tys = vs
.iter()
.map(|v| v.get_type(primitives, unifier))
.collect::<Vec<_>>();
unifier.add_ty(TypeEnum::TTuple {
ty: vs_tys,
})
}
SymbolValue::OptionSome(_) => primitives.option,
SymbolValue::OptionNone => primitives.option,
}
}
/// Returns the [TypeAnnotation] representing the data type of this value.
pub fn get_type_annotation(&self, primitives: &PrimitiveStore, unifier: &mut Unifier) -> TypeAnnotation {
match self {
SymbolValue::Bool(..) => TypeAnnotation::Primitive(primitives.bool),
SymbolValue::Double(..) => TypeAnnotation::Primitive(primitives.float),
SymbolValue::I32(..) => TypeAnnotation::Primitive(primitives.int32),
SymbolValue::I64(..) => TypeAnnotation::Primitive(primitives.int64),
SymbolValue::U32(..) => TypeAnnotation::Primitive(primitives.uint32),
SymbolValue::U64(..) => TypeAnnotation::Primitive(primitives.uint64),
SymbolValue::Str(..) => TypeAnnotation::Primitive(primitives.str),
SymbolValue::Tuple(vs) => {
let vs_tys = vs
.iter()
.map(|v| v.get_type_annotation(primitives, unifier))
.collect::<Vec<_>>();
TypeAnnotation::Tuple(vs_tys)
}
SymbolValue::OptionNone => TypeAnnotation::CustomClass {
id: primitives.option.get_obj_id(unifier),
params: Default::default(),
},
SymbolValue::OptionSome(v) => {
let ty = v.get_type_annotation(primitives, unifier);
TypeAnnotation::CustomClass {
id: primitives.option.get_obj_id(unifier),
params: vec![ty],
}
}
}
}
/// Returns the [TypeEnum] representing the data type of this value.
pub fn get_type_enum(&self, primitives: &PrimitiveStore, unifier: &mut Unifier) -> Rc<TypeEnum> {
let ty = self.get_type(primitives, unifier);
unifier.get_ty(ty)
}
}
impl Display for SymbolValue {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {

36
nac3core/src/toplevel/helper.rs
View File

@ -416,40 +416,6 @@ impl TopLevelComposer {
primitive: &PrimitiveStore,
unifier: &mut Unifier,
) -> Result<(), String> {
fn type_default_param(
val: &SymbolValue,
primitive: &PrimitiveStore,
unifier: &mut Unifier,
) -> TypeAnnotation {
match val {
SymbolValue::Bool(..) => TypeAnnotation::Primitive(primitive.bool),
SymbolValue::Double(..) => TypeAnnotation::Primitive(primitive.float),
SymbolValue::I32(..) => TypeAnnotation::Primitive(primitive.int32),
SymbolValue::I64(..) => TypeAnnotation::Primitive(primitive.int64),
SymbolValue::U32(..) => TypeAnnotation::Primitive(primitive.uint32),
SymbolValue::U64(..) => TypeAnnotation::Primitive(primitive.uint64),
SymbolValue::Str(..) => TypeAnnotation::Primitive(primitive.str),
SymbolValue::Tuple(vs) => {
let vs_tys = vs
.iter()
.map(|v| type_default_param(v, primitive, unifier))
.collect::<Vec<_>>();
TypeAnnotation::Tuple(vs_tys)
}
SymbolValue::OptionNone => TypeAnnotation::CustomClass {
id: primitive.option.get_obj_id(unifier),
params: Default::default(),
},
SymbolValue::OptionSome(v) => {
let ty = type_default_param(v, primitive, unifier);
TypeAnnotation::CustomClass {
id: primitive.option.get_obj_id(unifier),
params: vec![ty],
}
}
}
}
fn is_compatible(
found: &TypeAnnotation,
expect: &TypeAnnotation,
@ -481,7 +447,7 @@ impl TopLevelComposer {
}
}
let found = type_default_param(val, primitive, unifier);
let found = val.get_type_annotation(primitive, unifier);
if !is_compatible(&found, ty, unifier, primitive) {
Err(format!(
"incompatible default parameter type, expect {}, found {}",