749 lines
23 KiB
Rust
749 lines
23 KiB
Rust
//! Functions dealing with attributes and meta items
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mod builtin;
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pub use builtin::*;
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pub use IntType::*;
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pub use ReprAttr::*;
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pub use StabilityLevel::*;
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pub use crate::ast::Attribute;
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use crate::ast;
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use crate::ast::{AttrId, AttrStyle, Name, Ident, Path, PathSegment};
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use crate::ast::{MetaItem, MetaItemKind, NestedMetaItem};
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use crate::ast::{Lit, LitKind, Expr, Item, Local, Stmt, StmtKind, GenericParam};
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use crate::mut_visit::visit_clobber;
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use crate::source_map::{BytePos, Spanned, DUMMY_SP};
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use crate::parse::lexer::comments::{doc_comment_style, strip_doc_comment_decoration};
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use crate::parse::parser::Parser;
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use crate::parse::{self, ParseSess, PResult};
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use crate::parse::token::{self, Token};
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use crate::ptr::P;
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use crate::symbol::{sym, Symbol};
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use crate::ThinVec;
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use crate::tokenstream::{TokenStream, TokenTree, DelimSpan};
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use crate::GLOBALS;
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use log::debug;
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use syntax_pos::{FileName, Span};
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use std::iter;
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use std::ops::DerefMut;
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pub fn mark_used(attr: &Attribute) {
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debug!("marking {:?} as used", attr);
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GLOBALS.with(|globals| {
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globals.used_attrs.lock().insert(attr.id);
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});
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}
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pub fn is_used(attr: &Attribute) -> bool {
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GLOBALS.with(|globals| {
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globals.used_attrs.lock().contains(attr.id)
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})
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}
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pub fn mark_known(attr: &Attribute) {
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debug!("marking {:?} as known", attr);
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GLOBALS.with(|globals| {
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globals.known_attrs.lock().insert(attr.id);
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});
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}
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pub fn is_known(attr: &Attribute) -> bool {
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GLOBALS.with(|globals| {
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globals.known_attrs.lock().contains(attr.id)
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})
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}
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pub fn is_known_lint_tool(m_item: Ident) -> bool {
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[sym::clippy, sym::rustc].contains(&m_item.name)
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}
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impl NestedMetaItem {
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/// Returns the MetaItem if self is a NestedMetaItem::MetaItem.
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pub fn meta_item(&self) -> Option<&MetaItem> {
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match *self {
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NestedMetaItem::MetaItem(ref item) => Some(item),
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_ => None
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}
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}
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/// Returns the Lit if self is a NestedMetaItem::Literal.
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pub fn literal(&self) -> Option<&Lit> {
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match *self {
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NestedMetaItem::Literal(ref lit) => Some(lit),
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_ => None
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}
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}
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/// Returns `true` if this list item is a MetaItem with a name of `name`.
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pub fn check_name(&self, name: Symbol) -> bool {
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self.meta_item().map_or(false, |meta_item| meta_item.check_name(name))
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}
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/// For a single-segment meta-item returns its name, otherwise returns `None`.
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pub fn ident(&self) -> Option<Ident> {
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self.meta_item().and_then(|meta_item| meta_item.ident())
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}
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pub fn name_or_empty(&self) -> Symbol {
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self.ident().unwrap_or(Ident::invalid()).name
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}
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/// Gets the string value if self is a MetaItem and the MetaItem is a
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/// MetaItemKind::NameValue variant containing a string, otherwise None.
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pub fn value_str(&self) -> Option<Symbol> {
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self.meta_item().and_then(|meta_item| meta_item.value_str())
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}
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/// Returns a name and single literal value tuple of the MetaItem.
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pub fn name_value_literal(&self) -> Option<(Name, &Lit)> {
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self.meta_item().and_then(
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|meta_item| meta_item.meta_item_list().and_then(
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|meta_item_list| {
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if meta_item_list.len() == 1 {
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if let Some(ident) = meta_item.ident() {
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if let Some(lit) = meta_item_list[0].literal() {
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return Some((ident.name, lit));
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}
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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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/// Gets a list of inner meta items from a list MetaItem type.
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pub fn meta_item_list(&self) -> Option<&[NestedMetaItem]> {
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self.meta_item().and_then(|meta_item| meta_item.meta_item_list())
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}
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/// Returns `true` if the variant is MetaItem.
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pub fn is_meta_item(&self) -> bool {
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self.meta_item().is_some()
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}
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/// Returns `true` if the variant is Literal.
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pub fn is_literal(&self) -> bool {
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self.literal().is_some()
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}
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/// Returns `true` if self is a MetaItem and the meta item is a word.
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pub fn is_word(&self) -> bool {
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self.meta_item().map_or(false, |meta_item| meta_item.is_word())
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}
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/// Returns `true` if self is a MetaItem and the meta item is a ValueString.
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pub fn is_value_str(&self) -> bool {
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self.value_str().is_some()
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}
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/// Returns `true` if self is a MetaItem and the meta item is a list.
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pub fn is_meta_item_list(&self) -> bool {
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self.meta_item_list().is_some()
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}
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}
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impl Attribute {
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/// Returns `true` if the attribute's path matches the argument. If it matches, then the
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/// attribute is marked as used.
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///
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/// To check the attribute name without marking it used, use the `path` field directly.
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pub fn check_name(&self, name: Symbol) -> bool {
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let matches = self.path == name;
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if matches {
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mark_used(self);
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}
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matches
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}
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/// For a single-segment attribute returns its name, otherwise returns `None`.
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pub fn ident(&self) -> Option<Ident> {
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if self.path.segments.len() == 1 {
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Some(self.path.segments[0].ident)
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} else {
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None
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}
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}
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pub fn name_or_empty(&self) -> Symbol {
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self.ident().unwrap_or(Ident::invalid()).name
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}
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pub fn value_str(&self) -> Option<Symbol> {
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self.meta().and_then(|meta| meta.value_str())
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}
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pub fn meta_item_list(&self) -> Option<Vec<NestedMetaItem>> {
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match self.meta() {
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Some(MetaItem { node: MetaItemKind::List(list), .. }) => Some(list),
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_ => None
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}
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}
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pub fn is_word(&self) -> bool {
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self.tokens.is_empty()
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}
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pub fn is_meta_item_list(&self) -> bool {
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self.meta_item_list().is_some()
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}
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/// Indicates if the attribute is a Value String.
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pub fn is_value_str(&self) -> bool {
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self.value_str().is_some()
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}
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}
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impl MetaItem {
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/// For a single-segment meta-item returns its name, otherwise returns `None`.
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pub fn ident(&self) -> Option<Ident> {
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if self.path.segments.len() == 1 {
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Some(self.path.segments[0].ident)
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} else {
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None
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}
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}
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pub fn name_or_empty(&self) -> Symbol {
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self.ident().unwrap_or(Ident::invalid()).name
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}
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// #[attribute(name = "value")]
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// ^^^^^^^^^^^^^^
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pub fn name_value_literal(&self) -> Option<&Lit> {
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match &self.node {
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MetaItemKind::NameValue(v) => Some(v),
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_ => None,
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}
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}
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pub fn value_str(&self) -> Option<Symbol> {
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match self.node {
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MetaItemKind::NameValue(ref v) => {
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match v.node {
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LitKind::Str(ref s, _) => Some(*s),
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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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pub fn meta_item_list(&self) -> Option<&[NestedMetaItem]> {
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match self.node {
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MetaItemKind::List(ref l) => Some(&l[..]),
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_ => None
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}
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}
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pub fn is_word(&self) -> bool {
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match self.node {
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MetaItemKind::Word => true,
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_ => false,
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}
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}
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pub fn check_name(&self, name: Symbol) -> bool {
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self.path == name
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}
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pub fn is_value_str(&self) -> bool {
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self.value_str().is_some()
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}
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pub fn is_meta_item_list(&self) -> bool {
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self.meta_item_list().is_some()
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}
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}
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impl Attribute {
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/// Extracts the MetaItem from inside this Attribute.
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pub fn meta(&self) -> Option<MetaItem> {
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let mut tokens = self.tokens.trees().peekable();
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Some(MetaItem {
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path: self.path.clone(),
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node: if let Some(node) = MetaItemKind::from_tokens(&mut tokens) {
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if tokens.peek().is_some() {
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return None;
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}
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node
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} else {
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return None;
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},
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span: self.span,
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})
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}
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pub fn parse<'a, T, F>(&self, sess: &'a ParseSess, mut f: F) -> PResult<'a, T>
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where F: FnMut(&mut Parser<'a>) -> PResult<'a, T>,
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{
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let mut parser = Parser::new(
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sess,
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self.tokens.clone(),
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None,
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false,
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false,
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Some("attribute"),
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);
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let result = f(&mut parser)?;
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if parser.token != token::Eof {
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parser.unexpected()?;
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}
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Ok(result)
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}
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pub fn parse_list<'a, T, F>(&self, sess: &'a ParseSess, mut f: F) -> PResult<'a, Vec<T>>
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where F: FnMut(&mut Parser<'a>) -> PResult<'a, T>,
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{
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if self.tokens.is_empty() {
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return Ok(Vec::new());
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}
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self.parse(sess, |parser| {
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parser.expect(&token::OpenDelim(token::Paren))?;
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let mut list = Vec::new();
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while !parser.eat(&token::CloseDelim(token::Paren)) {
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list.push(f(parser)?);
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if !parser.eat(&token::Comma) {
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parser.expect(&token::CloseDelim(token::Paren))?;
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break
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}
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}
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Ok(list)
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})
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}
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pub fn parse_meta<'a>(&self, sess: &'a ParseSess) -> PResult<'a, MetaItem> {
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Ok(MetaItem {
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path: self.path.clone(),
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node: self.parse(sess, |parser| parser.parse_meta_item_kind())?,
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span: self.span,
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})
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}
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/// Converts self to a normal #[doc="foo"] comment, if it is a
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/// comment like `///` or `/** */`. (Returns self unchanged for
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/// non-sugared doc attributes.)
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pub fn with_desugared_doc<T, F>(&self, f: F) -> T where
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F: FnOnce(&Attribute) -> T,
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{
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if self.is_sugared_doc {
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let comment = self.value_str().unwrap();
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let meta = mk_name_value_item_str(
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Ident::with_empty_ctxt(sym::doc),
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Symbol::intern(&strip_doc_comment_decoration(&comment.as_str())),
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DUMMY_SP,
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);
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f(&Attribute {
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id: self.id,
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style: self.style,
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path: meta.path,
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tokens: meta.node.tokens(meta.span),
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is_sugared_doc: true,
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span: self.span,
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})
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} else {
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f(self)
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}
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}
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}
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/* Constructors */
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pub fn mk_name_value_item_str(ident: Ident, str: Symbol, str_span: Span) -> MetaItem {
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let lit_kind = LitKind::Str(str, ast::StrStyle::Cooked);
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mk_name_value_item(ident, lit_kind, str_span)
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}
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pub fn mk_name_value_item(ident: Ident, lit_kind: LitKind, lit_span: Span) -> MetaItem {
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let lit = Lit::from_lit_kind(lit_kind, lit_span);
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let span = ident.span.to(lit_span);
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MetaItem { path: Path::from_ident(ident), span, node: MetaItemKind::NameValue(lit) }
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}
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pub fn mk_list_item(ident: Ident, items: Vec<NestedMetaItem>) -> MetaItem {
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MetaItem { path: Path::from_ident(ident), span: ident.span, node: MetaItemKind::List(items) }
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}
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pub fn mk_word_item(ident: Ident) -> MetaItem {
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MetaItem { path: Path::from_ident(ident), span: ident.span, node: MetaItemKind::Word }
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}
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pub fn mk_nested_word_item(ident: Ident) -> NestedMetaItem {
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NestedMetaItem::MetaItem(mk_word_item(ident))
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}
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crate fn mk_attr_id() -> AttrId {
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use std::sync::atomic::AtomicUsize;
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use std::sync::atomic::Ordering;
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static NEXT_ATTR_ID: AtomicUsize = AtomicUsize::new(0);
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let id = NEXT_ATTR_ID.fetch_add(1, Ordering::SeqCst);
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assert!(id != ::std::usize::MAX);
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AttrId(id)
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}
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/// Returns an inner attribute with the given value and span.
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pub fn mk_attr_inner(item: MetaItem) -> Attribute {
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Attribute {
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id: mk_attr_id(),
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style: ast::AttrStyle::Inner,
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path: item.path,
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tokens: item.node.tokens(item.span),
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is_sugared_doc: false,
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span: item.span,
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}
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}
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/// Returns an outer attribute with the given value and span.
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pub fn mk_attr_outer(item: MetaItem) -> Attribute {
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Attribute {
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id: mk_attr_id(),
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style: ast::AttrStyle::Outer,
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path: item.path,
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tokens: item.node.tokens(item.span),
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is_sugared_doc: false,
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span: item.span,
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}
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}
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pub fn mk_sugared_doc_attr(text: Symbol, span: Span) -> Attribute {
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let style = doc_comment_style(&text.as_str());
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let lit_kind = LitKind::Str(text, ast::StrStyle::Cooked);
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let lit = Lit::from_lit_kind(lit_kind, span);
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Attribute {
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id: mk_attr_id(),
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style,
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path: Path::from_ident(Ident::with_empty_ctxt(sym::doc).with_span_pos(span)),
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tokens: MetaItemKind::NameValue(lit).tokens(span),
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is_sugared_doc: true,
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span,
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}
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}
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pub fn list_contains_name(items: &[NestedMetaItem], name: Symbol) -> bool {
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items.iter().any(|item| {
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item.check_name(name)
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})
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}
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pub fn contains_name(attrs: &[Attribute], name: Symbol) -> bool {
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attrs.iter().any(|item| {
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item.check_name(name)
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})
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}
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pub fn find_by_name(attrs: &[Attribute], name: Symbol) -> Option<&Attribute> {
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attrs.iter().find(|attr| attr.check_name(name))
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}
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pub fn filter_by_name(attrs: &[Attribute], name: Symbol)
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-> impl Iterator<Item=&Attribute> {
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attrs.iter().filter(move |attr| attr.check_name(name))
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}
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pub fn first_attr_value_str_by_name(attrs: &[Attribute], name: Symbol) -> Option<Symbol> {
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attrs.iter()
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.find(|at| at.check_name(name))
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.and_then(|at| at.value_str())
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}
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impl MetaItem {
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fn tokens(&self) -> TokenStream {
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let mut idents = vec![];
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let mut last_pos = BytePos(0 as u32);
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for (i, segment) in self.path.segments.iter().enumerate() {
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let is_first = i == 0;
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if !is_first {
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let mod_sep_span = Span::new(last_pos,
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segment.ident.span.lo(),
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segment.ident.span.ctxt());
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idents.push(TokenTree::token(token::ModSep, mod_sep_span).into());
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}
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idents.push(TokenTree::Token(Token::from_ast_ident(segment.ident)).into());
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last_pos = segment.ident.span.hi();
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}
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self.node.tokens(self.span).append_to_tree_and_joint_vec(&mut idents);
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TokenStream::new(idents)
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}
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fn from_tokens<I>(tokens: &mut iter::Peekable<I>) -> Option<MetaItem>
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where I: Iterator<Item = TokenTree>,
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{
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// FIXME: Share code with `parse_path`.
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let path = match tokens.next() {
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Some(TokenTree::Token(Token { kind: kind @ token::Ident(..), span })) |
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Some(TokenTree::Token(Token { kind: kind @ token::ModSep, span })) => 'arm: {
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let mut segments = if let token::Ident(name, _) = kind {
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if let Some(TokenTree::Token(Token { kind: token::ModSep, .. }))
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= tokens.peek() {
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tokens.next();
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vec![PathSegment::from_ident(Ident::new(name, span))]
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} else {
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break 'arm Path::from_ident(Ident::new(name, span));
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}
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} else {
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vec![PathSegment::path_root(span)]
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};
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loop {
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if let Some(TokenTree::Token(Token { kind: token::Ident(name, _), span }))
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= tokens.next() {
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segments.push(PathSegment::from_ident(Ident::new(name, span)));
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} else {
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return None;
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}
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if let Some(TokenTree::Token(Token { kind: token::ModSep, .. }))
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= tokens.peek() {
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tokens.next();
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} else {
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break;
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}
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}
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let span = span.with_hi(segments.last().unwrap().ident.span.hi());
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Path { span, segments }
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}
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Some(TokenTree::Token(Token { kind: token::Interpolated(nt), .. })) => match *nt {
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token::Nonterminal::NtIdent(ident, _) => Path::from_ident(ident),
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token::Nonterminal::NtMeta(ref meta) => return Some(meta.clone()),
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token::Nonterminal::NtPath(ref path) => path.clone(),
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_ => return None,
|
|
},
|
|
_ => return None,
|
|
};
|
|
let list_closing_paren_pos = tokens.peek().map(|tt| tt.span().hi());
|
|
let node = MetaItemKind::from_tokens(tokens)?;
|
|
let hi = match node {
|
|
MetaItemKind::NameValue(ref lit) => lit.span.hi(),
|
|
MetaItemKind::List(..) => list_closing_paren_pos.unwrap_or(path.span.hi()),
|
|
_ => path.span.hi(),
|
|
};
|
|
let span = path.span.with_hi(hi);
|
|
Some(MetaItem { path, node, span })
|
|
}
|
|
}
|
|
|
|
impl MetaItemKind {
|
|
pub fn tokens(&self, span: Span) -> TokenStream {
|
|
match *self {
|
|
MetaItemKind::Word => TokenStream::empty(),
|
|
MetaItemKind::NameValue(ref lit) => {
|
|
let mut vec = vec![TokenTree::token(token::Eq, span).into()];
|
|
lit.tokens().append_to_tree_and_joint_vec(&mut vec);
|
|
TokenStream::new(vec)
|
|
}
|
|
MetaItemKind::List(ref list) => {
|
|
let mut tokens = Vec::new();
|
|
for (i, item) in list.iter().enumerate() {
|
|
if i > 0 {
|
|
tokens.push(TokenTree::token(token::Comma, span).into());
|
|
}
|
|
item.tokens().append_to_tree_and_joint_vec(&mut tokens);
|
|
}
|
|
TokenTree::Delimited(
|
|
DelimSpan::from_single(span),
|
|
token::Paren,
|
|
TokenStream::new(tokens).into(),
|
|
).into()
|
|
}
|
|
}
|
|
}
|
|
|
|
fn from_tokens<I>(tokens: &mut iter::Peekable<I>) -> Option<MetaItemKind>
|
|
where I: Iterator<Item = TokenTree>,
|
|
{
|
|
let delimited = match tokens.peek().cloned() {
|
|
Some(TokenTree::Token(token)) if token == token::Eq => {
|
|
tokens.next();
|
|
return if let Some(TokenTree::Token(token)) = tokens.next() {
|
|
Lit::from_token(&token).ok().map(MetaItemKind::NameValue)
|
|
} else {
|
|
None
|
|
};
|
|
}
|
|
Some(TokenTree::Delimited(_, delim, ref tts)) if delim == token::Paren => {
|
|
tokens.next();
|
|
tts.clone()
|
|
}
|
|
_ => return Some(MetaItemKind::Word),
|
|
};
|
|
|
|
let mut tokens = delimited.into_trees().peekable();
|
|
let mut result = Vec::new();
|
|
while let Some(..) = tokens.peek() {
|
|
let item = NestedMetaItem::from_tokens(&mut tokens)?;
|
|
result.push(item);
|
|
match tokens.next() {
|
|
None | Some(TokenTree::Token(Token { kind: token::Comma, .. })) => {}
|
|
_ => return None,
|
|
}
|
|
}
|
|
Some(MetaItemKind::List(result))
|
|
}
|
|
}
|
|
|
|
impl NestedMetaItem {
|
|
pub fn span(&self) -> Span {
|
|
match *self {
|
|
NestedMetaItem::MetaItem(ref item) => item.span,
|
|
NestedMetaItem::Literal(ref lit) => lit.span,
|
|
}
|
|
}
|
|
|
|
fn tokens(&self) -> TokenStream {
|
|
match *self {
|
|
NestedMetaItem::MetaItem(ref item) => item.tokens(),
|
|
NestedMetaItem::Literal(ref lit) => lit.tokens(),
|
|
}
|
|
}
|
|
|
|
fn from_tokens<I>(tokens: &mut iter::Peekable<I>) -> Option<NestedMetaItem>
|
|
where I: Iterator<Item = TokenTree>,
|
|
{
|
|
if let Some(TokenTree::Token(token)) = tokens.peek() {
|
|
if let Ok(lit) = Lit::from_token(token) {
|
|
tokens.next();
|
|
return Some(NestedMetaItem::Literal(lit));
|
|
}
|
|
}
|
|
|
|
MetaItem::from_tokens(tokens).map(NestedMetaItem::MetaItem)
|
|
}
|
|
}
|
|
|
|
pub trait HasAttrs: Sized {
|
|
fn attrs(&self) -> &[ast::Attribute];
|
|
fn visit_attrs<F: FnOnce(&mut Vec<ast::Attribute>)>(&mut self, f: F);
|
|
}
|
|
|
|
impl<T: HasAttrs> HasAttrs for Spanned<T> {
|
|
fn attrs(&self) -> &[ast::Attribute] { self.node.attrs() }
|
|
fn visit_attrs<F: FnOnce(&mut Vec<ast::Attribute>)>(&mut self, f: F) {
|
|
self.node.visit_attrs(f);
|
|
}
|
|
}
|
|
|
|
impl HasAttrs for Vec<Attribute> {
|
|
fn attrs(&self) -> &[Attribute] {
|
|
self
|
|
}
|
|
fn visit_attrs<F: FnOnce(&mut Vec<Attribute>)>(&mut self, f: F) {
|
|
f(self)
|
|
}
|
|
}
|
|
|
|
impl HasAttrs for ThinVec<Attribute> {
|
|
fn attrs(&self) -> &[Attribute] {
|
|
self
|
|
}
|
|
fn visit_attrs<F: FnOnce(&mut Vec<Attribute>)>(&mut self, f: F) {
|
|
visit_clobber(self, |this| {
|
|
let mut vec = this.into();
|
|
f(&mut vec);
|
|
vec.into()
|
|
});
|
|
}
|
|
}
|
|
|
|
impl<T: HasAttrs + 'static> HasAttrs for P<T> {
|
|
fn attrs(&self) -> &[Attribute] {
|
|
(**self).attrs()
|
|
}
|
|
fn visit_attrs<F: FnOnce(&mut Vec<Attribute>)>(&mut self, f: F) {
|
|
(**self).visit_attrs(f);
|
|
}
|
|
}
|
|
|
|
impl HasAttrs for StmtKind {
|
|
fn attrs(&self) -> &[Attribute] {
|
|
match *self {
|
|
StmtKind::Local(ref local) => local.attrs(),
|
|
StmtKind::Item(..) => &[],
|
|
StmtKind::Expr(ref expr) | StmtKind::Semi(ref expr) => expr.attrs(),
|
|
StmtKind::Mac(ref mac) => {
|
|
let (_, _, ref attrs) = **mac;
|
|
attrs.attrs()
|
|
}
|
|
}
|
|
}
|
|
|
|
fn visit_attrs<F: FnOnce(&mut Vec<Attribute>)>(&mut self, f: F) {
|
|
match self {
|
|
StmtKind::Local(local) => local.visit_attrs(f),
|
|
StmtKind::Item(..) => {}
|
|
StmtKind::Expr(expr) => expr.visit_attrs(f),
|
|
StmtKind::Semi(expr) => expr.visit_attrs(f),
|
|
StmtKind::Mac(mac) => {
|
|
let (_mac, _style, attrs) = mac.deref_mut();
|
|
attrs.visit_attrs(f);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
impl HasAttrs for Stmt {
|
|
fn attrs(&self) -> &[ast::Attribute] {
|
|
self.node.attrs()
|
|
}
|
|
|
|
fn visit_attrs<F: FnOnce(&mut Vec<ast::Attribute>)>(&mut self, f: F) {
|
|
self.node.visit_attrs(f);
|
|
}
|
|
}
|
|
|
|
impl HasAttrs for GenericParam {
|
|
fn attrs(&self) -> &[ast::Attribute] {
|
|
&self.attrs
|
|
}
|
|
|
|
fn visit_attrs<F: FnOnce(&mut Vec<Attribute>)>(&mut self, f: F) {
|
|
self.attrs.visit_attrs(f);
|
|
}
|
|
}
|
|
|
|
macro_rules! derive_has_attrs {
|
|
($($ty:path),*) => { $(
|
|
impl HasAttrs for $ty {
|
|
fn attrs(&self) -> &[Attribute] {
|
|
&self.attrs
|
|
}
|
|
|
|
fn visit_attrs<F: FnOnce(&mut Vec<Attribute>)>(&mut self, f: F) {
|
|
self.attrs.visit_attrs(f);
|
|
}
|
|
}
|
|
)* }
|
|
}
|
|
|
|
derive_has_attrs! {
|
|
Item, Expr, Local, ast::ForeignItem, ast::StructField, ast::ImplItem, ast::TraitItem, ast::Arm,
|
|
ast::Field, ast::FieldPat, ast::Variant, ast::Arg
|
|
}
|
|
|
|
pub fn inject(mut krate: ast::Crate, parse_sess: &ParseSess, attrs: &[String]) -> ast::Crate {
|
|
for raw_attr in attrs {
|
|
let mut parser = parse::new_parser_from_source_str(
|
|
parse_sess,
|
|
FileName::cli_crate_attr_source_code(&raw_attr),
|
|
raw_attr.clone(),
|
|
);
|
|
|
|
let start_span = parser.token.span;
|
|
let (path, tokens) = panictry!(parser.parse_meta_item_unrestricted());
|
|
let end_span = parser.token.span;
|
|
if parser.token != token::Eof {
|
|
parse_sess.span_diagnostic
|
|
.span_err(start_span.to(end_span), "invalid crate attribute");
|
|
continue;
|
|
}
|
|
|
|
krate.attrs.push(Attribute {
|
|
id: mk_attr_id(),
|
|
style: AttrStyle::Inner,
|
|
path,
|
|
tokens,
|
|
is_sugared_doc: false,
|
|
span: start_span.to(end_span),
|
|
});
|
|
}
|
|
|
|
krate
|
|
}
|