786 lines
28 KiB
Rust
786 lines
28 KiB
Rust
//! These from impls are used to create the JSON types which get serialized. They're very close to
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//! the `clean` types but with some fields removed or stringified to simplify the output and not
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//! expose unstable compiler internals.
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#![allow(rustc::default_hash_types)]
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use std::convert::From;
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use std::fmt;
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use rustc_ast::ast;
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use rustc_hir::{def::CtorKind, def_id::DefId};
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use rustc_middle::ty::{self, TyCtxt};
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use rustc_span::{Pos, Symbol};
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use rustc_target::spec::abi::Abi as RustcAbi;
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use rustdoc_json_types::*;
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use crate::clean::utils::print_const_expr;
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use crate::clean::{self, ItemId};
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use crate::formats::item_type::ItemType;
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use crate::json::JsonRenderer;
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impl JsonRenderer<'_> {
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pub(super) fn convert_item(&self, item: clean::Item) -> Option<Item> {
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let deprecation = item.deprecation(self.tcx);
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let links = self
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.cache
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.intra_doc_links
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.get(&item.item_id)
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.into_iter()
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.flatten()
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.map(|clean::ItemLink { link, did, .. }| {
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(link.clone(), from_item_id((*did).into(), self.tcx))
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})
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.collect();
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let docs = item.attrs.collapsed_doc_value();
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let attrs = item
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.attrs
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.other_attrs
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.iter()
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.map(rustc_ast_pretty::pprust::attribute_to_string)
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.collect();
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let span = item.span(self.tcx);
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let clean::Item { name, attrs: _, kind: _, visibility, item_id, cfg: _ } = item;
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let inner = match *item.kind {
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clean::KeywordItem => return None,
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clean::StrippedItem(ref inner) => {
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match &**inner {
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// We document stripped modules as with `Module::is_stripped` set to
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// `true`, to prevent contained items from being orphaned for downstream users,
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// as JSON does no inlining.
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clean::ModuleItem(_)
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if self.imported_items.contains(&item_id.expect_def_id()) =>
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{
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from_clean_item(item, self.tcx)
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}
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_ => return None,
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}
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}
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_ => from_clean_item(item, self.tcx),
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};
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Some(Item {
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id: from_item_id_with_name(item_id, self.tcx, name),
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crate_id: item_id.krate().as_u32(),
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name: name.map(|sym| sym.to_string()),
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span: span.and_then(|span| self.convert_span(span)),
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visibility: self.convert_visibility(visibility),
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docs,
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attrs,
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deprecation: deprecation.map(from_deprecation),
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inner,
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links,
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})
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}
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fn convert_span(&self, span: clean::Span) -> Option<Span> {
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match span.filename(self.sess()) {
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rustc_span::FileName::Real(name) => {
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if let Some(local_path) = name.into_local_path() {
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let hi = span.hi(self.sess());
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let lo = span.lo(self.sess());
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Some(Span {
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filename: local_path,
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begin: (lo.line, lo.col.to_usize()),
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end: (hi.line, hi.col.to_usize()),
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})
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} else {
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None
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}
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}
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_ => None,
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}
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}
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fn convert_visibility(&self, v: clean::Visibility) -> Visibility {
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use clean::Visibility::*;
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match v {
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Public => Visibility::Public,
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Inherited => Visibility::Default,
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Restricted(did) if did.is_crate_root() => Visibility::Crate,
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Restricted(did) => Visibility::Restricted {
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parent: from_item_id(did.into(), self.tcx),
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path: self.tcx.def_path(did).to_string_no_crate_verbose(),
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},
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}
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}
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}
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pub(crate) trait FromWithTcx<T> {
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fn from_tcx(f: T, tcx: TyCtxt<'_>) -> Self;
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}
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pub(crate) trait IntoWithTcx<T> {
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fn into_tcx(self, tcx: TyCtxt<'_>) -> T;
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}
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impl<T, U> IntoWithTcx<U> for T
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where
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U: FromWithTcx<T>,
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{
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fn into_tcx(self, tcx: TyCtxt<'_>) -> U {
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U::from_tcx(self, tcx)
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}
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}
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impl<I, T, U> FromWithTcx<I> for Vec<U>
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where
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I: IntoIterator<Item = T>,
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U: FromWithTcx<T>,
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{
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fn from_tcx(f: I, tcx: TyCtxt<'_>) -> Vec<U> {
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f.into_iter().map(|x| x.into_tcx(tcx)).collect()
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}
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}
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pub(crate) fn from_deprecation(deprecation: rustc_attr::Deprecation) -> Deprecation {
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#[rustfmt::skip]
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let rustc_attr::Deprecation { since, note, is_since_rustc_version: _, suggestion: _ } = deprecation;
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Deprecation { since: since.map(|s| s.to_string()), note: note.map(|s| s.to_string()) }
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}
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impl FromWithTcx<clean::GenericArgs> for GenericArgs {
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fn from_tcx(args: clean::GenericArgs, tcx: TyCtxt<'_>) -> Self {
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use clean::GenericArgs::*;
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match args {
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AngleBracketed { args, bindings } => GenericArgs::AngleBracketed {
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args: args.into_vec().into_tcx(tcx),
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bindings: bindings.into_tcx(tcx),
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},
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Parenthesized { inputs, output } => GenericArgs::Parenthesized {
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inputs: inputs.into_vec().into_tcx(tcx),
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output: output.map(|a| (*a).into_tcx(tcx)),
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},
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}
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}
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}
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impl FromWithTcx<clean::GenericArg> for GenericArg {
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fn from_tcx(arg: clean::GenericArg, tcx: TyCtxt<'_>) -> Self {
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use clean::GenericArg::*;
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match arg {
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Lifetime(l) => GenericArg::Lifetime(convert_lifetime(l)),
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Type(t) => GenericArg::Type(t.into_tcx(tcx)),
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Const(box c) => GenericArg::Const(c.into_tcx(tcx)),
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Infer => GenericArg::Infer,
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}
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}
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}
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impl FromWithTcx<clean::Constant> for Constant {
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fn from_tcx(constant: clean::Constant, tcx: TyCtxt<'_>) -> Self {
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let expr = constant.expr(tcx);
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let value = constant.value(tcx);
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let is_literal = constant.is_literal(tcx);
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Constant { type_: constant.type_.into_tcx(tcx), expr, value, is_literal }
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}
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}
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impl FromWithTcx<clean::TypeBinding> for TypeBinding {
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fn from_tcx(binding: clean::TypeBinding, tcx: TyCtxt<'_>) -> Self {
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TypeBinding {
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name: binding.assoc.name.to_string(),
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args: binding.assoc.args.into_tcx(tcx),
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binding: binding.kind.into_tcx(tcx),
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}
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}
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}
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impl FromWithTcx<clean::TypeBindingKind> for TypeBindingKind {
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fn from_tcx(kind: clean::TypeBindingKind, tcx: TyCtxt<'_>) -> Self {
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use clean::TypeBindingKind::*;
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match kind {
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Equality { term } => TypeBindingKind::Equality(term.into_tcx(tcx)),
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Constraint { bounds } => TypeBindingKind::Constraint(bounds.into_tcx(tcx)),
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}
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}
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}
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/// It generates an ID as follows:
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///
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/// `CRATE_ID:ITEM_ID[:NAME_ID]` (if there is no name, NAME_ID is not generated).
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pub(crate) fn from_item_id(item_id: ItemId, tcx: TyCtxt<'_>) -> Id {
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from_item_id_with_name(item_id, tcx, None)
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}
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// FIXME: this function (and appending the name at the end of the ID) should be removed when
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// reexports are not inlined anymore for json format. It should be done in #93518.
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pub(crate) fn from_item_id_with_name(item_id: ItemId, tcx: TyCtxt<'_>, name: Option<Symbol>) -> Id {
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struct DisplayDefId<'a>(DefId, TyCtxt<'a>, Option<Symbol>);
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impl<'a> fmt::Display for DisplayDefId<'a> {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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let name = match self.2 {
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Some(name) => format!(":{}", name.as_u32()),
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None => self
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.1
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.opt_item_name(self.0)
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.map(|n| format!(":{}", n.as_u32()))
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.unwrap_or_default(),
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};
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write!(f, "{}:{}{}", self.0.krate.as_u32(), u32::from(self.0.index), name)
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}
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}
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match item_id {
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ItemId::DefId(did) => Id(format!("{}", DisplayDefId(did, tcx, name))),
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ItemId::Blanket { for_, impl_id } => {
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Id(format!("b:{}-{}", DisplayDefId(impl_id, tcx, None), DisplayDefId(for_, tcx, name)))
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}
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ItemId::Auto { for_, trait_ } => {
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Id(format!("a:{}-{}", DisplayDefId(trait_, tcx, None), DisplayDefId(for_, tcx, name)))
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}
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ItemId::Primitive(ty, krate) => Id(format!("p:{}:{}", krate.as_u32(), ty.as_sym())),
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}
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}
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fn from_clean_item(item: clean::Item, tcx: TyCtxt<'_>) -> ItemEnum {
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use clean::ItemKind::*;
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let name = item.name;
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let is_crate = item.is_crate();
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let header = item.fn_header(tcx);
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match *item.kind {
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ModuleItem(m) => {
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ItemEnum::Module(Module { is_crate, items: ids(m.items, tcx), is_stripped: false })
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}
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ImportItem(i) => ItemEnum::Import(i.into_tcx(tcx)),
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StructItem(s) => ItemEnum::Struct(s.into_tcx(tcx)),
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UnionItem(u) => ItemEnum::Union(u.into_tcx(tcx)),
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StructFieldItem(f) => ItemEnum::StructField(f.into_tcx(tcx)),
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EnumItem(e) => ItemEnum::Enum(e.into_tcx(tcx)),
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VariantItem(v) => ItemEnum::Variant(v.into_tcx(tcx)),
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FunctionItem(f) => ItemEnum::Function(from_function(f, header.unwrap(), tcx)),
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ForeignFunctionItem(f) => ItemEnum::Function(from_function(f, header.unwrap(), tcx)),
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TraitItem(t) => ItemEnum::Trait((*t).into_tcx(tcx)),
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TraitAliasItem(t) => ItemEnum::TraitAlias(t.into_tcx(tcx)),
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MethodItem(m, _) => ItemEnum::Method(from_function_method(m, true, header.unwrap(), tcx)),
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TyMethodItem(m) => ItemEnum::Method(from_function_method(m, false, header.unwrap(), tcx)),
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ImplItem(i) => ItemEnum::Impl((*i).into_tcx(tcx)),
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StaticItem(s) => ItemEnum::Static(s.into_tcx(tcx)),
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ForeignStaticItem(s) => ItemEnum::Static(s.into_tcx(tcx)),
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ForeignTypeItem => ItemEnum::ForeignType,
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TypedefItem(t) => ItemEnum::Typedef(t.into_tcx(tcx)),
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OpaqueTyItem(t) => ItemEnum::OpaqueTy(t.into_tcx(tcx)),
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ConstantItem(c) => ItemEnum::Constant(c.into_tcx(tcx)),
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MacroItem(m) => ItemEnum::Macro(m.source),
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ProcMacroItem(m) => ItemEnum::ProcMacro(m.into_tcx(tcx)),
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PrimitiveItem(p) => ItemEnum::PrimitiveType(p.as_sym().to_string()),
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TyAssocConstItem(ty) => ItemEnum::AssocConst { type_: ty.into_tcx(tcx), default: None },
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AssocConstItem(ty, default) => {
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ItemEnum::AssocConst { type_: ty.into_tcx(tcx), default: Some(default.expr(tcx)) }
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}
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TyAssocTypeItem(g, b) => ItemEnum::AssocType {
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generics: (*g).into_tcx(tcx),
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bounds: b.into_tcx(tcx),
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default: None,
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},
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AssocTypeItem(t, b) => ItemEnum::AssocType {
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generics: t.generics.into_tcx(tcx),
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bounds: b.into_tcx(tcx),
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default: Some(t.item_type.unwrap_or(t.type_).into_tcx(tcx)),
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},
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// `convert_item` early returns `None` for stripped items and keywords.
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KeywordItem => unreachable!(),
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StrippedItem(inner) => {
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match *inner {
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ModuleItem(m) => ItemEnum::Module(Module {
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is_crate,
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items: ids(m.items, tcx),
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is_stripped: true,
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}),
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// `convert_item` early returns `None` for stripped items we're not including
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_ => unreachable!(),
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}
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}
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ExternCrateItem { ref src } => ItemEnum::ExternCrate {
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name: name.as_ref().unwrap().to_string(),
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rename: src.map(|x| x.to_string()),
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},
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}
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}
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impl FromWithTcx<clean::Struct> for Struct {
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fn from_tcx(struct_: clean::Struct, tcx: TyCtxt<'_>) -> Self {
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let fields_stripped = struct_.has_stripped_entries();
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let clean::Struct { struct_type, generics, fields } = struct_;
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Struct {
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struct_type: from_ctor_kind(struct_type),
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generics: generics.into_tcx(tcx),
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fields_stripped,
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fields: ids(fields, tcx),
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impls: Vec::new(), // Added in JsonRenderer::item
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}
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}
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}
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impl FromWithTcx<clean::Union> for Union {
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fn from_tcx(union_: clean::Union, tcx: TyCtxt<'_>) -> Self {
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let fields_stripped = union_.has_stripped_entries();
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let clean::Union { generics, fields } = union_;
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Union {
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generics: generics.into_tcx(tcx),
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fields_stripped,
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fields: ids(fields, tcx),
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impls: Vec::new(), // Added in JsonRenderer::item
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}
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}
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}
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pub(crate) fn from_ctor_kind(struct_type: CtorKind) -> StructType {
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match struct_type {
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CtorKind::Fictive => StructType::Plain,
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CtorKind::Fn => StructType::Tuple,
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CtorKind::Const => StructType::Unit,
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}
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}
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pub(crate) fn from_fn_header(header: &rustc_hir::FnHeader) -> Header {
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Header {
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async_: header.is_async(),
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const_: header.is_const(),
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unsafe_: header.is_unsafe(),
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abi: convert_abi(header.abi),
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}
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}
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fn convert_abi(a: RustcAbi) -> Abi {
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match a {
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RustcAbi::Rust => Abi::Rust,
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RustcAbi::C { unwind } => Abi::C { unwind },
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RustcAbi::Cdecl { unwind } => Abi::Cdecl { unwind },
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RustcAbi::Stdcall { unwind } => Abi::Stdcall { unwind },
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RustcAbi::Fastcall { unwind } => Abi::Fastcall { unwind },
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RustcAbi::Aapcs { unwind } => Abi::Aapcs { unwind },
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RustcAbi::Win64 { unwind } => Abi::Win64 { unwind },
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RustcAbi::SysV64 { unwind } => Abi::SysV64 { unwind },
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RustcAbi::System { unwind } => Abi::System { unwind },
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_ => Abi::Other(a.to_string()),
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}
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}
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fn convert_lifetime(l: clean::Lifetime) -> String {
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l.0.to_string()
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}
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impl FromWithTcx<clean::Generics> for Generics {
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fn from_tcx(generics: clean::Generics, tcx: TyCtxt<'_>) -> Self {
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Generics {
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params: generics.params.into_tcx(tcx),
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where_predicates: generics.where_predicates.into_tcx(tcx),
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}
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}
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}
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impl FromWithTcx<clean::GenericParamDef> for GenericParamDef {
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fn from_tcx(generic_param: clean::GenericParamDef, tcx: TyCtxt<'_>) -> Self {
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GenericParamDef {
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name: generic_param.name.to_string(),
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kind: generic_param.kind.into_tcx(tcx),
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}
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}
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|
}
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|
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impl FromWithTcx<clean::GenericParamDefKind> for GenericParamDefKind {
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|
fn from_tcx(kind: clean::GenericParamDefKind, tcx: TyCtxt<'_>) -> Self {
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|
use clean::GenericParamDefKind::*;
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|
match kind {
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|
Lifetime { outlives } => GenericParamDefKind::Lifetime {
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outlives: outlives.into_iter().map(convert_lifetime).collect(),
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|
},
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|
Type { did: _, bounds, default, synthetic } => GenericParamDefKind::Type {
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|
bounds: bounds.into_tcx(tcx),
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|
default: default.map(|x| (*x).into_tcx(tcx)),
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|
synthetic,
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|
},
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|
Const { did: _, ty, default } => GenericParamDefKind::Const {
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|
type_: (*ty).into_tcx(tcx),
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|
default: default.map(|x| *x),
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},
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|
}
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}
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|
}
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|
|
|
impl FromWithTcx<clean::WherePredicate> for WherePredicate {
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|
fn from_tcx(predicate: clean::WherePredicate, tcx: TyCtxt<'_>) -> Self {
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|
use clean::WherePredicate::*;
|
|
match predicate {
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|
BoundPredicate { ty, bounds, bound_params } => WherePredicate::BoundPredicate {
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|
type_: ty.into_tcx(tcx),
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|
bounds: bounds.into_tcx(tcx),
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|
generic_params: bound_params
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|
.into_iter()
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|
.map(|x| GenericParamDef {
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name: x.0.to_string(),
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kind: GenericParamDefKind::Lifetime { outlives: vec![] },
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})
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.collect(),
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|
},
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|
RegionPredicate { lifetime, bounds } => WherePredicate::RegionPredicate {
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|
lifetime: convert_lifetime(lifetime),
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|
bounds: bounds.into_tcx(tcx),
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|
},
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|
EqPredicate { lhs, rhs } => {
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WherePredicate::EqPredicate { lhs: lhs.into_tcx(tcx), rhs: rhs.into_tcx(tcx) }
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|
}
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|
}
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|
}
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|
}
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|
|
impl FromWithTcx<clean::GenericBound> for GenericBound {
|
|
fn from_tcx(bound: clean::GenericBound, tcx: TyCtxt<'_>) -> Self {
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|
use clean::GenericBound::*;
|
|
match bound {
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|
TraitBound(clean::PolyTrait { trait_, generic_params }, modifier) => {
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|
GenericBound::TraitBound {
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|
trait_: trait_.into_tcx(tcx),
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|
generic_params: generic_params.into_tcx(tcx),
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|
modifier: from_trait_bound_modifier(modifier),
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|
}
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|
}
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|
Outlives(lifetime) => GenericBound::Outlives(convert_lifetime(lifetime)),
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|
}
|
|
}
|
|
}
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|
|
pub(crate) fn from_trait_bound_modifier(
|
|
modifier: rustc_hir::TraitBoundModifier,
|
|
) -> TraitBoundModifier {
|
|
use rustc_hir::TraitBoundModifier::*;
|
|
match modifier {
|
|
None => TraitBoundModifier::None,
|
|
Maybe => TraitBoundModifier::Maybe,
|
|
MaybeConst => TraitBoundModifier::MaybeConst,
|
|
}
|
|
}
|
|
|
|
impl FromWithTcx<clean::Type> for Type {
|
|
fn from_tcx(ty: clean::Type, tcx: TyCtxt<'_>) -> Self {
|
|
use clean::Type::{
|
|
Array, BareFunction, BorrowedRef, Generic, ImplTrait, Infer, Primitive, QPath,
|
|
RawPointer, Slice, Tuple,
|
|
};
|
|
|
|
match ty {
|
|
clean::Type::Path { path } => Type::ResolvedPath(path.into_tcx(tcx)),
|
|
clean::Type::DynTrait(bounds, lt) => Type::DynTrait(DynTrait {
|
|
lifetime: lt.map(convert_lifetime),
|
|
traits: bounds.into_tcx(tcx),
|
|
}),
|
|
Generic(s) => Type::Generic(s.to_string()),
|
|
Primitive(p) => Type::Primitive(p.as_sym().to_string()),
|
|
BareFunction(f) => Type::FunctionPointer(Box::new((*f).into_tcx(tcx))),
|
|
Tuple(t) => Type::Tuple(t.into_tcx(tcx)),
|
|
Slice(t) => Type::Slice(Box::new((*t).into_tcx(tcx))),
|
|
Array(t, s) => Type::Array { type_: Box::new((*t).into_tcx(tcx)), len: s },
|
|
ImplTrait(g) => Type::ImplTrait(g.into_tcx(tcx)),
|
|
Infer => Type::Infer,
|
|
RawPointer(mutability, type_) => Type::RawPointer {
|
|
mutable: mutability == ast::Mutability::Mut,
|
|
type_: Box::new((*type_).into_tcx(tcx)),
|
|
},
|
|
BorrowedRef { lifetime, mutability, type_ } => Type::BorrowedRef {
|
|
lifetime: lifetime.map(convert_lifetime),
|
|
mutable: mutability == ast::Mutability::Mut,
|
|
type_: Box::new((*type_).into_tcx(tcx)),
|
|
},
|
|
QPath(box clean::QPathData { assoc, self_type, trait_, .. }) => Type::QualifiedPath {
|
|
name: assoc.name.to_string(),
|
|
args: Box::new(assoc.args.clone().into_tcx(tcx)),
|
|
self_type: Box::new(self_type.into_tcx(tcx)),
|
|
trait_: trait_.into_tcx(tcx),
|
|
},
|
|
}
|
|
}
|
|
}
|
|
|
|
impl FromWithTcx<clean::Path> for Path {
|
|
fn from_tcx(path: clean::Path, tcx: TyCtxt<'_>) -> Path {
|
|
Path {
|
|
name: path.whole_name(),
|
|
id: from_item_id(path.def_id().into(), tcx),
|
|
args: path.segments.last().map(|args| Box::new(args.clone().args.into_tcx(tcx))),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl FromWithTcx<clean::Term> for Term {
|
|
fn from_tcx(term: clean::Term, tcx: TyCtxt<'_>) -> Term {
|
|
match term {
|
|
clean::Term::Type(ty) => Term::Type(FromWithTcx::from_tcx(ty, tcx)),
|
|
clean::Term::Constant(c) => Term::Constant(FromWithTcx::from_tcx(c, tcx)),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl FromWithTcx<clean::BareFunctionDecl> for FunctionPointer {
|
|
fn from_tcx(bare_decl: clean::BareFunctionDecl, tcx: TyCtxt<'_>) -> Self {
|
|
let clean::BareFunctionDecl { unsafety, generic_params, decl, abi } = bare_decl;
|
|
FunctionPointer {
|
|
header: Header {
|
|
unsafe_: matches!(unsafety, rustc_hir::Unsafety::Unsafe),
|
|
const_: false,
|
|
async_: false,
|
|
abi: convert_abi(abi),
|
|
},
|
|
generic_params: generic_params.into_tcx(tcx),
|
|
decl: decl.into_tcx(tcx),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl FromWithTcx<clean::FnDecl> for FnDecl {
|
|
fn from_tcx(decl: clean::FnDecl, tcx: TyCtxt<'_>) -> Self {
|
|
let clean::FnDecl { inputs, output, c_variadic } = decl;
|
|
FnDecl {
|
|
inputs: inputs
|
|
.values
|
|
.into_iter()
|
|
.map(|arg| (arg.name.to_string(), arg.type_.into_tcx(tcx)))
|
|
.collect(),
|
|
output: match output {
|
|
clean::FnRetTy::Return(t) => Some(t.into_tcx(tcx)),
|
|
clean::FnRetTy::DefaultReturn => None,
|
|
},
|
|
c_variadic,
|
|
}
|
|
}
|
|
}
|
|
|
|
impl FromWithTcx<clean::Trait> for Trait {
|
|
fn from_tcx(trait_: clean::Trait, tcx: TyCtxt<'_>) -> Self {
|
|
let is_auto = trait_.is_auto(tcx);
|
|
let is_unsafe = trait_.unsafety(tcx) == rustc_hir::Unsafety::Unsafe;
|
|
let clean::Trait { items, generics, bounds, .. } = trait_;
|
|
Trait {
|
|
is_auto,
|
|
is_unsafe,
|
|
items: ids(items, tcx),
|
|
generics: generics.into_tcx(tcx),
|
|
bounds: bounds.into_tcx(tcx),
|
|
implementations: Vec::new(), // Added in JsonRenderer::item
|
|
}
|
|
}
|
|
}
|
|
|
|
impl FromWithTcx<clean::PolyTrait> for PolyTrait {
|
|
fn from_tcx(
|
|
clean::PolyTrait { trait_, generic_params }: clean::PolyTrait,
|
|
tcx: TyCtxt<'_>,
|
|
) -> Self {
|
|
PolyTrait { trait_: trait_.into_tcx(tcx), generic_params: generic_params.into_tcx(tcx) }
|
|
}
|
|
}
|
|
|
|
impl FromWithTcx<clean::Impl> for Impl {
|
|
fn from_tcx(impl_: clean::Impl, tcx: TyCtxt<'_>) -> Self {
|
|
let provided_trait_methods = impl_.provided_trait_methods(tcx);
|
|
let clean::Impl { unsafety, generics, trait_, for_, items, polarity, kind } = impl_;
|
|
// FIXME: use something like ImplKind in JSON?
|
|
let (synthetic, blanket_impl) = match kind {
|
|
clean::ImplKind::Normal | clean::ImplKind::FakeVaradic => (false, None),
|
|
clean::ImplKind::Auto => (true, None),
|
|
clean::ImplKind::Blanket(ty) => (false, Some(*ty)),
|
|
};
|
|
let negative_polarity = match polarity {
|
|
ty::ImplPolarity::Positive | ty::ImplPolarity::Reservation => false,
|
|
ty::ImplPolarity::Negative => true,
|
|
};
|
|
Impl {
|
|
is_unsafe: unsafety == rustc_hir::Unsafety::Unsafe,
|
|
generics: generics.into_tcx(tcx),
|
|
provided_trait_methods: provided_trait_methods
|
|
.into_iter()
|
|
.map(|x| x.to_string())
|
|
.collect(),
|
|
trait_: trait_.map(|path| path.into_tcx(tcx)),
|
|
for_: for_.into_tcx(tcx),
|
|
items: ids(items, tcx),
|
|
negative: negative_polarity,
|
|
synthetic,
|
|
blanket_impl: blanket_impl.map(|x| x.into_tcx(tcx)),
|
|
}
|
|
}
|
|
}
|
|
|
|
pub(crate) fn from_function(
|
|
function: Box<clean::Function>,
|
|
header: rustc_hir::FnHeader,
|
|
tcx: TyCtxt<'_>,
|
|
) -> Function {
|
|
let clean::Function { decl, generics } = *function;
|
|
Function {
|
|
decl: decl.into_tcx(tcx),
|
|
generics: generics.into_tcx(tcx),
|
|
header: from_fn_header(&header),
|
|
}
|
|
}
|
|
|
|
pub(crate) fn from_function_method(
|
|
function: Box<clean::Function>,
|
|
has_body: bool,
|
|
header: rustc_hir::FnHeader,
|
|
tcx: TyCtxt<'_>,
|
|
) -> Method {
|
|
let clean::Function { decl, generics } = *function;
|
|
Method {
|
|
decl: decl.into_tcx(tcx),
|
|
generics: generics.into_tcx(tcx),
|
|
header: from_fn_header(&header),
|
|
has_body,
|
|
}
|
|
}
|
|
|
|
impl FromWithTcx<clean::Enum> for Enum {
|
|
fn from_tcx(enum_: clean::Enum, tcx: TyCtxt<'_>) -> Self {
|
|
let variants_stripped = enum_.has_stripped_entries();
|
|
let clean::Enum { variants, generics } = enum_;
|
|
Enum {
|
|
generics: generics.into_tcx(tcx),
|
|
variants_stripped,
|
|
variants: ids(variants, tcx),
|
|
impls: Vec::new(), // Added in JsonRenderer::item
|
|
}
|
|
}
|
|
}
|
|
|
|
impl FromWithTcx<clean::VariantStruct> for Struct {
|
|
fn from_tcx(struct_: clean::VariantStruct, tcx: TyCtxt<'_>) -> Self {
|
|
let fields_stripped = struct_.has_stripped_entries();
|
|
let clean::VariantStruct { struct_type, fields } = struct_;
|
|
Struct {
|
|
struct_type: from_ctor_kind(struct_type),
|
|
generics: Generics { params: vec![], where_predicates: vec![] },
|
|
fields_stripped,
|
|
fields: ids(fields, tcx),
|
|
impls: Vec::new(),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl FromWithTcx<clean::Variant> for Variant {
|
|
fn from_tcx(variant: clean::Variant, tcx: TyCtxt<'_>) -> Self {
|
|
use clean::Variant::*;
|
|
match variant {
|
|
CLike => Variant::Plain,
|
|
Tuple(fields) => Variant::Tuple(
|
|
fields
|
|
.into_iter()
|
|
.filter_map(|f| match *f.kind {
|
|
clean::StructFieldItem(ty) => Some(ty.into_tcx(tcx)),
|
|
clean::StrippedItem(_) => None,
|
|
_ => unreachable!(),
|
|
})
|
|
.collect(),
|
|
),
|
|
Struct(s) => Variant::Struct(ids(s.fields, tcx)),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl FromWithTcx<clean::Import> for Import {
|
|
fn from_tcx(import: clean::Import, tcx: TyCtxt<'_>) -> Self {
|
|
use clean::ImportKind::*;
|
|
let (name, glob) = match import.kind {
|
|
Simple(s) => (s.to_string(), false),
|
|
Glob => (
|
|
import.source.path.last_opt().unwrap_or_else(|| Symbol::intern("*")).to_string(),
|
|
true,
|
|
),
|
|
};
|
|
Import {
|
|
source: import.source.path.whole_name(),
|
|
name,
|
|
id: import.source.did.map(ItemId::from).map(|i| from_item_id(i, tcx)),
|
|
glob,
|
|
}
|
|
}
|
|
}
|
|
|
|
impl FromWithTcx<clean::ProcMacro> for ProcMacro {
|
|
fn from_tcx(mac: clean::ProcMacro, _tcx: TyCtxt<'_>) -> Self {
|
|
ProcMacro {
|
|
kind: from_macro_kind(mac.kind),
|
|
helpers: mac.helpers.iter().map(|x| x.to_string()).collect(),
|
|
}
|
|
}
|
|
}
|
|
|
|
pub(crate) fn from_macro_kind(kind: rustc_span::hygiene::MacroKind) -> MacroKind {
|
|
use rustc_span::hygiene::MacroKind::*;
|
|
match kind {
|
|
Bang => MacroKind::Bang,
|
|
Attr => MacroKind::Attr,
|
|
Derive => MacroKind::Derive,
|
|
}
|
|
}
|
|
|
|
impl FromWithTcx<Box<clean::Typedef>> for Typedef {
|
|
fn from_tcx(typedef: Box<clean::Typedef>, tcx: TyCtxt<'_>) -> Self {
|
|
let clean::Typedef { type_, generics, item_type: _ } = *typedef;
|
|
Typedef { type_: type_.into_tcx(tcx), generics: generics.into_tcx(tcx) }
|
|
}
|
|
}
|
|
|
|
impl FromWithTcx<clean::OpaqueTy> for OpaqueTy {
|
|
fn from_tcx(opaque: clean::OpaqueTy, tcx: TyCtxt<'_>) -> Self {
|
|
OpaqueTy { bounds: opaque.bounds.into_tcx(tcx), generics: opaque.generics.into_tcx(tcx) }
|
|
}
|
|
}
|
|
|
|
impl FromWithTcx<clean::Static> for Static {
|
|
fn from_tcx(stat: clean::Static, tcx: TyCtxt<'_>) -> Self {
|
|
Static {
|
|
type_: stat.type_.into_tcx(tcx),
|
|
mutable: stat.mutability == ast::Mutability::Mut,
|
|
expr: stat.expr.map(|e| print_const_expr(tcx, e)).unwrap_or_default(),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl FromWithTcx<clean::TraitAlias> for TraitAlias {
|
|
fn from_tcx(alias: clean::TraitAlias, tcx: TyCtxt<'_>) -> Self {
|
|
TraitAlias { generics: alias.generics.into_tcx(tcx), params: alias.bounds.into_tcx(tcx) }
|
|
}
|
|
}
|
|
|
|
impl FromWithTcx<ItemType> for ItemKind {
|
|
fn from_tcx(kind: ItemType, _tcx: TyCtxt<'_>) -> Self {
|
|
use ItemType::*;
|
|
match kind {
|
|
Module => ItemKind::Module,
|
|
ExternCrate => ItemKind::ExternCrate,
|
|
Import => ItemKind::Import,
|
|
Struct => ItemKind::Struct,
|
|
Union => ItemKind::Union,
|
|
Enum => ItemKind::Enum,
|
|
Function => ItemKind::Function,
|
|
Typedef => ItemKind::Typedef,
|
|
OpaqueTy => ItemKind::OpaqueTy,
|
|
Static => ItemKind::Static,
|
|
Constant => ItemKind::Constant,
|
|
Trait => ItemKind::Trait,
|
|
Impl => ItemKind::Impl,
|
|
TyMethod | Method => ItemKind::Method,
|
|
StructField => ItemKind::StructField,
|
|
Variant => ItemKind::Variant,
|
|
Macro => ItemKind::Macro,
|
|
Primitive => ItemKind::Primitive,
|
|
AssocConst => ItemKind::AssocConst,
|
|
AssocType => ItemKind::AssocType,
|
|
ForeignType => ItemKind::ForeignType,
|
|
Keyword => ItemKind::Keyword,
|
|
TraitAlias => ItemKind::TraitAlias,
|
|
ProcAttribute => ItemKind::ProcAttribute,
|
|
ProcDerive => ItemKind::ProcDerive,
|
|
}
|
|
}
|
|
}
|
|
|
|
fn ids(items: impl IntoIterator<Item = clean::Item>, tcx: TyCtxt<'_>) -> Vec<Id> {
|
|
items
|
|
.into_iter()
|
|
.filter(|x| !x.is_stripped() && !x.is_keyword())
|
|
.map(|i| from_item_id_with_name(i.item_id, tcx, i.name))
|
|
.collect()
|
|
}
|