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New schema for attributes v23 (#5) #18

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merged 1 commit into from
Dec 29, 2022
Merged

New schema for attributes v23 (#5) #18

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108 changes: 96 additions & 12 deletions src/adapter.rs
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
use std::{collections::BTreeSet, sync::Arc};
use std::{collections::BTreeSet, rc::Rc, sync::Arc};

use rustdoc_types::{
Crate, Enum, Function, Id, Impl, Item, ItemEnum, Path, Span, Struct, Trait, Type, Variant,
Expand All @@ -9,6 +9,7 @@ use trustfall_core::{
schema::Schema,
};

use crate::attributes::{Attribute, AttributeMetaItem};
use crate::indexed_crate::IndexedCrate;

#[non_exhaustive]
Expand Down Expand Up @@ -76,13 +77,23 @@ impl Origin {
}
}

fn make_attribute_token<'a>(&self, attr: &'a str) -> Token<'a> {
fn make_attribute_token<'a>(&self, attr: Attribute<'a>) -> Token<'a> {
Token {
origin: *self,
kind: TokenKind::Attribute(attr),
}
}

fn make_attribute_meta_item_token<'a>(
&self,
meta_item: Rc<AttributeMetaItem<'a>>,
) -> Token<'a> {
Token {
origin: *self,
kind: TokenKind::AttributeMetaItem(meta_item),
}
}

fn make_implemented_trait_token<'a>(
&self,
path: &'a rustdoc_types::Path,
Expand Down Expand Up @@ -119,7 +130,8 @@ pub enum TokenKind<'a> {
Path(&'a [String]),
ImportablePath(Vec<&'a str>),
RawType(&'a Type),
Attribute(&'a str),
Attribute(Attribute<'a>),
AttributeMetaItem(Rc<AttributeMetaItem<'a>>),
ImplementedTrait(&'a Path, &'a Item),
FunctionParameter(&'a str),
}
Expand Down Expand Up @@ -156,6 +168,7 @@ impl<'a> Token<'a> {
TokenKind::Crate(..) => "Crate",
TokenKind::CrateDiff(..) => "CrateDiff",
TokenKind::Attribute(..) => "Attribute",
TokenKind::AttributeMetaItem(..) => "AttributeMetaItem",
TokenKind::ImplementedTrait(..) => "ImplementedTrait",
TokenKind::RawType(ty) => match ty {
rustdoc_types::Type::ResolvedPath { .. } => "ResolvedPathType",
Expand Down Expand Up @@ -268,9 +281,16 @@ impl<'a> Token<'a> {
})
}

fn as_attribute(&self) -> Option<&'a str> {
fn as_attribute(&self) -> Option<&'_ Attribute<'a>> {
match &self.kind {
TokenKind::Attribute(attr) => Some(*attr),
TokenKind::Attribute(attr) => Some(attr),
_ => None,
}
}

fn as_attribute_meta_item(&self) -> Option<&'_ AttributeMetaItem<'a>> {
match &self.kind {
TokenKind::AttributeMetaItem(meta_item) => Some(meta_item),
_ => None,
}
}
Expand Down Expand Up @@ -438,9 +458,22 @@ fn get_impl_property(token: &Token, field_name: &str) -> FieldValue {
}

fn get_attribute_property(token: &Token, field_name: &str) -> FieldValue {
let attribute_token = token.as_attribute().expect("token was not an Attribute");
let attribute = token.as_attribute().expect("token was not an Attribute");
match field_name {
"value" => attribute_token.into(),
"raw_attribute" => attribute.raw_attribute().into(),
"is_inner" => attribute.is_inner.into(),
_ => unreachable!("Attribute property {field_name}"),
}
}

fn get_attribute_meta_item_property(token: &Token, field_name: &str) -> FieldValue {
let meta_item = token
.as_attribute_meta_item()
.expect("token was not an AttributeMetaItem");
match field_name {
"raw_item" => meta_item.raw_item.into(),
"base" => meta_item.base.into(),
"assigned_item" => meta_item.assigned_item.into(),
_ => unreachable!("Attribute property {field_name}"),
}
}
Expand Down Expand Up @@ -584,6 +617,9 @@ impl<'a> Adapter<'a> for RustdocAdapter<'a> {
"Attribute" => Box::new(data_contexts.map(move |ctx| {
property_mapper(ctx, field_name.as_ref(), get_attribute_property)
})),
"AttributeMetaItem" => Box::new(data_contexts.map(move |ctx| {
property_mapper(ctx, field_name.as_ref(), get_attribute_meta_item_property)
})),
"ImplementedTrait" => Box::new(data_contexts.map(move |ctx| {
property_mapper(ctx, field_name.as_ref(), get_implemented_trait_property)
})),
Expand Down Expand Up @@ -800,11 +836,9 @@ impl<'a> Adapter<'a> for RustdocAdapter<'a> {
Some(token) => {
let origin = token.origin;
let item = token.as_item().expect("token was not an Item");
Box::new(
item.attrs
.iter()
.map(move |attr| origin.make_attribute_token(attr)),
)
Box::new(item.attrs.iter().map(move |attr| {
origin.make_attribute_token(Attribute::new(attr.as_str()))
}))
}
};

Expand Down Expand Up @@ -1173,6 +1207,56 @@ impl<'a> Adapter<'a> for RustdocAdapter<'a> {
unreachable!("project_neighbors {current_type_name} {edge_name} {parameters:?}")
}
},
"Attribute" => match edge_name.as_ref() {
"content" => Box::new(data_contexts.map(move |ctx| {
let neighbors: Box<dyn Iterator<Item = Self::DataToken> + 'a> = match &ctx
.current_token
{
None => Box::new(std::iter::empty()),
Some(token) => {
let origin = token.origin;

let attribute =
token.as_attribute().expect("token was not an Attribute");
Box::new(std::iter::once(
origin.make_attribute_meta_item_token(attribute.content.clone()),
))
}
};

(ctx, neighbors)
})),
_ => {
unreachable!("project_neighbors {current_type_name} {edge_name} {parameters:?}")
}
},
"AttributeMetaItem" => match edge_name.as_ref() {
"argument" => Box::new(data_contexts.map(move |ctx| {
let neighbors: Box<dyn Iterator<Item = Self::DataToken> + 'a> =
match &ctx.current_token {
None => Box::new(std::iter::empty()),
Some(token) => {
let origin = token.origin;

let meta_item = token
.as_attribute_meta_item()
.expect("token was not an AttributeMetaItem");
if let Some(arguments) = meta_item.arguments.clone() {
Box::new(arguments.into_iter().map(move |argument| {
origin.make_attribute_meta_item_token(argument)
}))
} else {
Box::new(std::iter::empty())
}
}
};

(ctx, neighbors)
})),
_ => {
unreachable!("project_neighbors {current_type_name} {edge_name} {parameters:?}")
}
},
_ => unreachable!("project_neighbors {current_type_name} {edge_name} {parameters:?}"),
}
}
Expand Down
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