microsoft/qdk
Publicmirrored fromhttps://github.com/microsoft/qdkAvailable
compiler/qsc_doc_gen/src/generate_docs.rs
313lines · modecode
| 1 | // Copyright (c) Microsoft Corporation. |
| 2 | // Licensed under the MIT License. |
| 3 | |
| 4 | #[cfg(test)] |
| 5 | mod tests; |
| 6 | |
| 7 | use crate::display::{increase_header_level, parse_doc_for_summary}; |
| 8 | use crate::display::{CodeDisplay, Lookup}; |
| 9 | use qsc_ast::ast; |
| 10 | use qsc_frontend::compile::{self, PackageStore, RuntimeCapabilityFlags}; |
| 11 | use qsc_frontend::resolve; |
| 12 | use qsc_hir::hir::{CallableKind, Item, ItemKind, Package, PackageId, Visibility}; |
| 13 | use qsc_hir::{hir, ty}; |
| 14 | use rustc_hash::FxHashMap; |
| 15 | use std::fmt::{Display, Formatter, Result}; |
| 16 | use std::rc::Rc; |
| 17 | use std::sync::Arc; |
| 18 | |
| 19 | type Files = Vec<(Arc<str>, Arc<str>, Arc<str>)>; |
| 20 | |
| 21 | /// Represents an immutable compilation state. |
| 22 | #[derive(Debug)] |
| 23 | struct Compilation { |
| 24 | /// Package store, containing the current package and all its dependencies. |
| 25 | package_store: PackageStore, |
| 26 | } |
| 27 | |
| 28 | impl Compilation { |
| 29 | /// Creates a new `Compilation` by compiling sources. |
| 30 | pub(crate) fn new() -> Self { |
| 31 | let mut package_store = PackageStore::new(compile::core()); |
| 32 | package_store.insert(compile::std(&package_store, RuntimeCapabilityFlags::all())); |
| 33 | |
| 34 | Self { package_store } |
| 35 | } |
| 36 | } |
| 37 | |
| 38 | impl Lookup for Compilation { |
| 39 | fn get_ty(&self, _: ast::NodeId) -> Option<&ty::Ty> { |
| 40 | unimplemented!("Not needed for docs generation") |
| 41 | } |
| 42 | |
| 43 | fn get_res(&self, _: ast::NodeId) -> Option<&resolve::Res> { |
| 44 | unimplemented!("Not needed for docs generation") |
| 45 | } |
| 46 | |
| 47 | fn resolve_item_relative_to_user_package( |
| 48 | &self, |
| 49 | _: &hir::ItemId, |
| 50 | ) -> (&hir::Item, &hir::Package, hir::ItemId) { |
| 51 | unimplemented!("Not needed for docs generation") |
| 52 | } |
| 53 | |
| 54 | /// Returns the hir `Item` node referred to by `res`. |
| 55 | /// `Res`s can resolve to external packages, and the references |
| 56 | /// are relative, so here we also need the |
| 57 | /// local `PackageId` that the `res` itself came from. |
| 58 | fn resolve_item_res( |
| 59 | &self, |
| 60 | local_package_id: PackageId, |
| 61 | res: &hir::Res, |
| 62 | ) -> (&hir::Item, hir::ItemId) { |
| 63 | match res { |
| 64 | hir::Res::Item(item_id) => { |
| 65 | let (item, _, resolved_item_id) = self.resolve_item(local_package_id, item_id); |
| 66 | (item, resolved_item_id) |
| 67 | } |
| 68 | _ => panic!("expected to find item"), |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | /// Returns the hir `Item` node referred to by `item_id`. |
| 73 | /// `ItemId`s can refer to external packages, and the references |
| 74 | /// are relative, so here we also need the local `PackageId` |
| 75 | /// that the `ItemId` originates from. |
| 76 | fn resolve_item( |
| 77 | &self, |
| 78 | local_package_id: PackageId, |
| 79 | item_id: &hir::ItemId, |
| 80 | ) -> (&hir::Item, &hir::Package, hir::ItemId) { |
| 81 | // If the `ItemId` contains a package id, use that. |
| 82 | // Lack of a package id means the item is in the |
| 83 | // same package as the one this `ItemId` reference |
| 84 | // came from. So use the local package id passed in. |
| 85 | let package_id = item_id.package.unwrap_or(local_package_id); |
| 86 | let package = &self |
| 87 | .package_store |
| 88 | .get(package_id) |
| 89 | .expect("package should exist in store") |
| 90 | .package; |
| 91 | ( |
| 92 | package |
| 93 | .items |
| 94 | .get(item_id.item) |
| 95 | .expect("item id should exist"), |
| 96 | package, |
| 97 | hir::ItemId { |
| 98 | package: Some(package_id), |
| 99 | item: item_id.item, |
| 100 | }, |
| 101 | ) |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | pub fn generate_docs() -> Files { |
| 106 | let compilation = Compilation::new(); |
| 107 | let mut files: Files = vec![]; |
| 108 | |
| 109 | let display = &CodeDisplay { |
| 110 | compilation: &compilation, |
| 111 | }; |
| 112 | |
| 113 | let mut toc: FxHashMap<Rc<str>, Vec<String>> = FxHashMap::default(); |
| 114 | for (_, unit) in &compilation.package_store { |
| 115 | let package = &unit.package; |
| 116 | for (_, item) in &package.items { |
| 117 | if let Some((ns, line)) = generate_doc_for_item(package, item, display, &mut files) { |
| 118 | toc.entry(ns).or_default().push(line); |
| 119 | } |
| 120 | } |
| 121 | } |
| 122 | |
| 123 | generate_toc(&mut toc, &mut files); |
| 124 | |
| 125 | files |
| 126 | } |
| 127 | |
| 128 | fn generate_doc_for_item<'a>( |
| 129 | package: &'a Package, |
| 130 | item: &'a Item, |
| 131 | display: &'a CodeDisplay, |
| 132 | files: &mut Files, |
| 133 | ) -> Option<(Rc<str>, String)> { |
| 134 | // Filter items |
| 135 | if item.visibility == Visibility::Internal || matches!(item.kind, ItemKind::Namespace(_, _)) { |
| 136 | return None; |
| 137 | } |
| 138 | |
| 139 | // Get namespace for item |
| 140 | let ns = get_namespace(package, item)?; |
| 141 | |
| 142 | // Add file |
| 143 | let (metadata, content) = generate_file(&ns, item, display)?; |
| 144 | let file_name: Arc<str> = Arc::from(format!("{ns}/{}.md", metadata.name).as_str()); |
| 145 | let file_metadata: Arc<str> = Arc::from(metadata.to_string().as_str()); |
| 146 | let file_content: Arc<str> = Arc::from(content.as_str()); |
| 147 | files.push((file_name, file_metadata, file_content)); |
| 148 | |
| 149 | // Create toc line |
| 150 | let line = format!(" - {{name: {}, uid: {}}}", metadata.name, metadata.uid); |
| 151 | |
| 152 | // Return (ns, line) |
| 153 | Some((ns.clone(), line)) |
| 154 | } |
| 155 | |
| 156 | fn get_namespace(package: &Package, item: &Item) -> Option<Rc<str>> { |
| 157 | match item.parent { |
| 158 | Some(local_id) => { |
| 159 | let parent = package |
| 160 | .items |
| 161 | .get(local_id) |
| 162 | .expect("Could not resolve parent item id"); |
| 163 | match &parent.kind { |
| 164 | ItemKind::Namespace(name, _) => { |
| 165 | if name.name.starts_with("QIR") { |
| 166 | None // We ignore "QIR" namespaces |
| 167 | } else { |
| 168 | Some(name.name.clone()) |
| 169 | } |
| 170 | } |
| 171 | _ => None, |
| 172 | } |
| 173 | } |
| 174 | None => None, |
| 175 | } |
| 176 | } |
| 177 | |
| 178 | fn generate_file(ns: &Rc<str>, item: &Item, display: &CodeDisplay) -> Option<(Metadata, String)> { |
| 179 | let metadata = get_metadata(ns.clone(), item, display)?; |
| 180 | |
| 181 | let doc = increase_header_level(&item.doc); |
| 182 | let title = &metadata.title; |
| 183 | let sig = &metadata.signature; |
| 184 | |
| 185 | let content = format!( |
| 186 | "# {title} |
| 187 | |
| 188 | Namespace: {ns} |
| 189 | |
| 190 | ```qsharp |
| 191 | {sig} |
| 192 | ``` |
| 193 | " |
| 194 | ); |
| 195 | |
| 196 | let content = if doc.is_empty() { |
| 197 | content |
| 198 | } else { |
| 199 | format!("{content}\n{doc}\n") |
| 200 | }; |
| 201 | |
| 202 | Some((metadata, content)) |
| 203 | } |
| 204 | |
| 205 | struct Metadata { |
| 206 | uid: String, |
| 207 | title: String, |
| 208 | topic: String, |
| 209 | kind: MetadataKind, |
| 210 | namespace: Rc<str>, |
| 211 | name: Rc<str>, |
| 212 | summary: String, |
| 213 | signature: String, |
| 214 | } |
| 215 | |
| 216 | impl Display for Metadata { |
| 217 | fn fmt(&self, f: &mut Formatter<'_>) -> Result { |
| 218 | let kind = match &self.kind { |
| 219 | MetadataKind::Function => "function", |
| 220 | MetadataKind::Operation => "operation", |
| 221 | MetadataKind::Udt => "udt", |
| 222 | }; |
| 223 | write!( |
| 224 | f, |
| 225 | "--- |
| 226 | uid: {} |
| 227 | title: {} |
| 228 | ms.date: {{TIMESTAMP}} |
| 229 | ms.topic: {} |
| 230 | qsharp.kind: {} |
| 231 | qsharp.namespace: {} |
| 232 | qsharp.name: {} |
| 233 | qsharp.summary: \"{}\" |
| 234 | ---", |
| 235 | self.uid, self.title, self.topic, kind, self.namespace, self.name, self.summary |
| 236 | ) |
| 237 | } |
| 238 | } |
| 239 | |
| 240 | enum MetadataKind { |
| 241 | Function, |
| 242 | Operation, |
| 243 | Udt, |
| 244 | } |
| 245 | |
| 246 | fn get_metadata(ns: Rc<str>, item: &Item, display: &CodeDisplay) -> Option<Metadata> { |
| 247 | let (name, signature, kind) = match &item.kind { |
| 248 | ItemKind::Callable(decl) => Some(( |
| 249 | decl.name.name.clone(), |
| 250 | display.hir_callable_decl(decl).to_string(), |
| 251 | match &decl.kind { |
| 252 | CallableKind::Function => MetadataKind::Function, |
| 253 | CallableKind::Operation => MetadataKind::Operation, |
| 254 | }, |
| 255 | )), |
| 256 | ItemKind::Ty(ident, udt) => Some(( |
| 257 | ident.name.clone(), |
| 258 | display.hir_udt(udt).to_string(), |
| 259 | MetadataKind::Udt, |
| 260 | )), |
| 261 | ItemKind::Namespace(_, _) => None, |
| 262 | }?; |
| 263 | |
| 264 | let summary = parse_doc_for_summary(&item.doc) |
| 265 | .replace("\r\n", " ") |
| 266 | .replace('\n', " "); |
| 267 | |
| 268 | Some(Metadata { |
| 269 | uid: format!("Qdk.{ns}.{name}"), |
| 270 | title: match &kind { |
| 271 | MetadataKind::Function => format!("{name} function"), |
| 272 | MetadataKind::Operation => format!("{name} operation"), |
| 273 | MetadataKind::Udt => format!("{name} user defined type"), |
| 274 | }, |
| 275 | topic: "managed-reference".to_string(), |
| 276 | kind, |
| 277 | namespace: ns, |
| 278 | name, |
| 279 | summary, |
| 280 | signature, |
| 281 | }) |
| 282 | } |
| 283 | |
| 284 | /// Generates the Table of Contents file, toc.yml |
| 285 | fn generate_toc(map: &mut FxHashMap<Rc<str>, Vec<String>>, files: &mut Files) { |
| 286 | let header = " |
| 287 | # This file is automatically generated. |
| 288 | # Please do not modify this file manually, or your changes will be lost when |
| 289 | # documentation is rebuilt."; |
| 290 | let mut table = map |
| 291 | .iter_mut() |
| 292 | .map(|(namespace, lines)| { |
| 293 | lines.sort_unstable(); |
| 294 | let items_str = lines.join("\n"); |
| 295 | let content = |
| 296 | format!("- items:\n{items_str}\n name: {namespace}\n uid: Qdk.{namespace}"); |
| 297 | (namespace, content) |
| 298 | }) |
| 299 | .collect::<Vec<_>>(); |
| 300 | |
| 301 | table.sort_unstable_by_key(|(n, _)| *n); |
| 302 | let table = table |
| 303 | .into_iter() |
| 304 | .map(|(_, c)| c) |
| 305 | .collect::<Vec<_>>() |
| 306 | .join("\n"); |
| 307 | let content = format!("{header}\n{table}"); |
| 308 | |
| 309 | let file_name: Arc<str> = Arc::from("toc.yml"); |
| 310 | let file_metadata: Arc<str> = Arc::from(""); |
| 311 | let file_content: Arc<str> = Arc::from(content.as_str()); |
| 312 | files.push((file_name, file_metadata, file_content)); |
| 313 | } |
| 314 | |