jeff/dust
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Improve context recursion

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This commit is contained in:
Jeff 2024-07-02 20:25:47 -04:00
parent ecd83a17e7
commit dce6dfbc40
1 changed files with 117 additions and 57 deletions
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120
dust-lang/src/context.rs
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@ -1,5 +1,6 @@
use std::{
collections::HashMap,
fmt::Debug,
sync::{Arc, RwLock},
};
@ -73,28 +74,36 @@ impl Context {
let data = self.data.read()?;
if let Some(_) = data.variables.get(identifier) {
return Ok(true);
Ok(true)
} else if let Some(parent) = &data.parent {
let parent_data = parent.data.read()?;
parent.contains_inheritable(identifier)
} else {
Ok(false)
}
}
if let Some((variable_data, _)) = parent_data.variables.get(identifier) {
fn contains_inheritable(&self, identifier: &Identifier) -> Result<bool, ValidationError> {
let data = self.data.read()?;
if let Some((variable_data, _)) = data.variables.get(identifier) {
match variable_data {
VariableData::Type(Type::Enum { .. })
| VariableData::Type(Type::Function { .. })
| VariableData::Type(Type::Structure { .. }) => return Ok(true),
VariableData::Value(value) => match value.inner().as_ref() {
ValueInner::BuiltInFunction(_) | ValueInner::Function(_) => {
return Ok(true)
}
ValueInner::BuiltInFunction(_) | ValueInner::Function(_) => return Ok(true),
_ => {}
},
_ => {}
}
}
}
if let Some(parent) = &data.parent {
parent.contains_inheritable(identifier)
} else {
Ok(false)
}
}
pub fn get_type(&self, identifier: &Identifier) -> Result<Option<Type>, ValidationError> {
log::trace!("Getting {identifier}'s type");
@ -107,9 +116,21 @@ impl Context {
VariableData::Value(value) => value.r#type(self)?,
};
return Ok(Some(r#type.clone()));
Ok(Some(r#type.clone()))
} else if let Some(parent) = &data.parent {
if let Some(r#type) = parent.get_type(identifier)? {
parent.get_inheritable_type(identifier)
} else {
Ok(None)
}
}
fn get_inheritable_type(
&self,
identifier: &Identifier,
) -> Result<Option<Type>, ValidationError> {
let data = self.data.read()?;
if let Some(r#type) = self.get_type(identifier)? {
match r#type {
Type::Enum { .. } | Type::Function { .. } | Type::Structure { .. } => {
return Ok(Some(r#type))
@ -117,10 +138,13 @@ impl Context {
_ => {}
}
}
}
if let Some(parent) = &data.parent {
parent.get_inheritable_type(identifier)
} else {
Ok(None)
}
}
pub fn use_value(&self, identifier: &Identifier) -> Result<Option<Value>, PoisonError> {
log::trace!("Using {identifier}'s value");
@ -133,19 +157,33 @@ impl Context {
return Ok(Some(value.clone()));
} else if let Some(parent) = &data.parent {
if let Some(value) = parent.get_value(identifier)? {
match value.inner().as_ref() {
ValueInner::EnumInstance { .. }
| ValueInner::Function(_)
| ValueInner::Structure { .. }
| ValueInner::BuiltInFunction(_) => return Ok(Some(value)),
_ => {}
}
parent.use_inheritable_value(identifier)
} else {
Ok(None)
}
}
fn use_inheritable_value(&self, identifier: &Identifier) -> Result<Option<Value>, PoisonError> {
let data = self.data.read()?;
if let Some((VariableData::Value(value), usage_data)) = data.variables.get(identifier) {
match value.inner().as_ref() {
ValueInner::BuiltInFunction(_) | ValueInner::Function(_) => {
usage_data.inner().write()?.actual += 1;
*self.is_clean.write()? = false;
return Ok(Some(value.clone()));
}
_ => {}
}
}
if let Some(parent) = &data.parent {
parent.use_inheritable_value(identifier)
} else {
Ok(None)
}
}
pub fn get_value(&self, identifier: &Identifier) -> Result<Option<Value>, PoisonError> {
log::trace!("Getting {identifier}'s value");
@ -153,21 +191,30 @@ impl Context {
let data = self.data.read()?;
if let Some((VariableData::Value(value), _)) = data.variables.get(identifier) {
return Ok(Some(value.clone()));
Ok(Some(value.clone()))
} else if let Some(parent) = &data.parent {
if let Some(value) = parent.get_value(identifier)? {
match value.inner().as_ref() {
ValueInner::EnumInstance { .. }
| ValueInner::Function(_)
| ValueInner::Structure { .. }
| ValueInner::BuiltInFunction(_) => return Ok(Some(value)),
_ => {}
}
parent.get_inheritable_value(identifier)
} else {
Ok(None)
}
}
fn get_inheritable_value(&self, identifier: &Identifier) -> Result<Option<Value>, PoisonError> {
if let Some(value) = self.get_value(identifier)? {
match value.inner().as_ref() {
ValueInner::BuiltInFunction(_) | ValueInner::Function(_) => return Ok(Some(value)),
_ => {}
}
}
let data = self.data.read()?;
if let Some(parent) = &data.parent {
parent.get_inheritable_value(identifier)
} else {
Ok(None)
}
}
pub fn set_type(&self, identifier: Identifier, r#type: Type) -> Result<(), PoisonError> {
log::debug!("Setting {identifier} to type {}", r#type);
@ -206,9 +253,19 @@ impl Context {
return Ok(true);
} else if let Some(parent) = &data.parent {
let parent_data = parent.data.read()?;
parent.add_expected_use_for_inheritable(identifier)
} else {
Ok(false)
}
}
if let Some((variable_data, usage_data)) = parent_data.variables.get(identifier) {
fn add_expected_use_for_inheritable(
&self,
identifier: &Identifier,
) -> Result<bool, PoisonError> {
let data = self.data.read()?;
if let Some((variable_data, usage_data)) = data.variables.get(identifier) {
match variable_data {
VariableData::Type(Type::Enum { .. })
| VariableData::Type(Type::Function { .. })
@ -228,10 +285,13 @@ impl Context {
_ => {}
}
}
}
if let Some(parent) = &data.parent {
parent.add_expected_use_for_inheritable(identifier)
} else {
Ok(false)
}
}
pub fn clean(&self) -> Result<(), PoisonError> {
if *self.is_clean.read()? {