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https://github.com/rust-lang/rust-analyzer
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Auto merge of #16832 - Veykril:macarons, r=Veykril
internal: Shrink MacroCallLoc Shaves off 4/8 bytes
This commit is contained in:
commit
6fc3a3ef05
8 changed files with 255 additions and 235 deletions
|
@ -745,6 +745,7 @@ impl<'a> AssocItemCollector<'a> {
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self.collect_macro_items(res, &|| hir_expand::MacroCallKind::FnLike {
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ast_id: InFile::new(file_id, ast_id),
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expand_to: hir_expand::ExpandTo::Items,
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eager: None,
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});
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}
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Ok(None) => (),
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@ -754,6 +755,7 @@ impl<'a> AssocItemCollector<'a> {
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MacroCallKind::FnLike {
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ast_id: InFile::new(file_id, ast_id),
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expand_to,
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eager: None,
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},
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Clone::clone(path),
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));
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@ -1403,17 +1403,20 @@ fn macro_call_as_call_id_with_eager(
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resolver(call.path.clone()).ok_or_else(|| UnresolvedMacro { path: call.path.clone() })?;
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let res = match def.kind {
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MacroDefKind::BuiltInEager(..) => {
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let macro_call = InFile::new(call.ast_id.file_id, call.ast_id.to_node(db));
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expand_eager_macro_input(db, krate, macro_call, def, call_site, &|path| {
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eager_resolver(path).filter(MacroDefId::is_fn_like)
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})
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}
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MacroDefKind::BuiltInEager(..) => expand_eager_macro_input(
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db,
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krate,
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&call.ast_id.to_node(db),
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call.ast_id,
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def,
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call_site,
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&|path| eager_resolver(path).filter(MacroDefId::is_fn_like),
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),
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_ if def.is_fn_like() => ExpandResult {
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value: Some(def.as_lazy_macro(
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value: Some(def.make_call(
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db,
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krate,
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MacroCallKind::FnLike { ast_id: call.ast_id, expand_to },
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MacroCallKind::FnLike { ast_id: call.ast_id, expand_to, eager: None },
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call_site,
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)),
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err: None,
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@ -116,7 +116,7 @@ pub(super) fn attr_macro_as_call_id(
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_ => None,
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};
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def.as_lazy_macro(
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def.make_call(
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db.upcast(),
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krate,
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MacroCallKind::Attr {
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@ -140,7 +140,7 @@ pub(super) fn derive_macro_as_call_id(
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let (macro_id, def_id) = resolver(item_attr.path.clone())
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.filter(|(_, def_id)| def_id.is_derive())
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.ok_or_else(|| UnresolvedMacro { path: item_attr.path.clone() })?;
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let call_id = def_id.as_lazy_macro(
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let call_id = def_id.make_call(
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db.upcast(),
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krate,
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MacroCallKind::Derive {
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@ -1451,7 +1451,11 @@ impl DefCollector<'_> {
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if let Err(UnresolvedMacro { path }) = macro_call_as_call_id {
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self.def_map.diagnostics.push(DefDiagnostic::unresolved_macro_call(
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directive.module_id,
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MacroCallKind::FnLike { ast_id: ast_id.ast_id, expand_to: *expand_to },
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MacroCallKind::FnLike {
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ast_id: ast_id.ast_id,
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expand_to: *expand_to,
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eager: None,
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},
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path,
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));
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}
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|
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@ -117,7 +117,7 @@ fn derive_expand(
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}
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pub fn pseudo_derive_attr_expansion(
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tt: &tt::Subtree,
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_: &tt::Subtree,
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args: &tt::Subtree,
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call_site: Span,
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) -> ExpandResult<tt::Subtree> {
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@ -141,7 +141,7 @@ pub fn pseudo_derive_attr_expansion(
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token_trees.push(mk_leaf(']'));
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}
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ExpandResult::ok(tt::Subtree {
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delimiter: tt.delimiter,
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delimiter: args.delimiter,
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token_trees: token_trees.into_boxed_slice(),
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})
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}
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|
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@ -6,19 +6,16 @@ use limit::Limit;
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use mbe::{syntax_node_to_token_tree, ValueResult};
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use rustc_hash::FxHashSet;
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use span::{AstIdMap, SyntaxContextData, SyntaxContextId};
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use syntax::{
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ast::{self, HasAttrs},
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AstNode, Parse, SyntaxElement, SyntaxError, SyntaxNode, SyntaxToken, T,
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};
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use syntax::{ast, AstNode, Parse, SyntaxElement, SyntaxError, SyntaxNode, SyntaxToken, T};
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use triomphe::Arc;
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use crate::{
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attrs::collect_attrs,
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attrs::{collect_attrs, AttrId},
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builtin_attr_macro::pseudo_derive_attr_expansion,
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builtin_fn_macro::EagerExpander,
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cfg_process,
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declarative::DeclarativeMacroExpander,
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fixup::{self, reverse_fixups, SyntaxFixupUndoInfo},
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fixup::{self, SyntaxFixupUndoInfo},
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hygiene::{span_with_call_site_ctxt, span_with_def_site_ctxt, span_with_mixed_site_ctxt},
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proc_macro::ProcMacros,
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span_map::{RealSpanMap, SpanMap, SpanMapRef},
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@ -149,8 +146,18 @@ pub fn expand_speculative(
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mbe::syntax_node_to_token_tree(speculative_args, span_map, loc.call_site),
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SyntaxFixupUndoInfo::NONE,
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),
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MacroCallKind::Derive { .. } | MacroCallKind::Attr { .. } => {
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let censor = censor_for_macro_input(&loc, speculative_args);
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MacroCallKind::Attr { .. } if loc.def.is_attribute_derive() => (
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mbe::syntax_node_to_token_tree(speculative_args, span_map, loc.call_site),
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SyntaxFixupUndoInfo::NONE,
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),
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MacroCallKind::Derive { derive_attr_index: index, .. }
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| MacroCallKind::Attr { invoc_attr_index: index, .. } => {
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let censor = if let MacroCallKind::Derive { .. } = loc.kind {
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censor_derive_input(index, &ast::Adt::cast(speculative_args.clone())?)
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} else {
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censor_attr_input(index, &ast::Item::cast(speculative_args.clone())?)
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};
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let censor_cfg =
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cfg_process::process_cfg_attrs(speculative_args, &loc, db).unwrap_or_default();
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let mut fixups = fixup::fixup_syntax(span_map, speculative_args, loc.call_site);
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@ -324,185 +331,173 @@ pub(crate) fn parse_with_map(
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}
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}
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// FIXME: for derive attributes, this will return separate copies of the same structures!
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// FIXME: for derive attributes, this will return separate copies of the same structures! Though
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// they may differ in spans due to differing call sites...
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fn macro_arg(
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db: &dyn ExpandDatabase,
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id: MacroCallId,
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// FIXME: consider the following by putting fixup info into eager call info args
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// ) -> ValueResult<Arc<(tt::Subtree, SyntaxFixupUndoInfo)>, Arc<Box<[SyntaxError]>>> {
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) -> ValueResult<(Arc<tt::Subtree>, SyntaxFixupUndoInfo), Arc<Box<[SyntaxError]>>> {
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let loc = db.lookup_intern_macro_call(id);
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if let Some(EagerCallInfo { arg, .. }) = matches!(loc.def.kind, MacroDefKind::BuiltInEager(..))
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.then(|| loc.eager.as_deref())
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.flatten()
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if let MacroCallLoc {
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def: MacroDefId { kind: MacroDefKind::BuiltInEager(..), .. },
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kind: MacroCallKind::FnLike { eager: Some(eager), .. },
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..
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} = &loc
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{
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ValueResult::ok((arg.clone(), SyntaxFixupUndoInfo::NONE))
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} else {
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let (parse, map) = parse_with_map(db, loc.kind.file_id());
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let root = parse.syntax_node();
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let syntax = match loc.kind {
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MacroCallKind::FnLike { ast_id, .. } => {
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let dummy_tt = |kind| {
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(
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Arc::new(tt::Subtree {
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delimiter: tt::Delimiter {
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open: loc.call_site,
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close: loc.call_site,
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kind,
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},
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token_trees: Box::default(),
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}),
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SyntaxFixupUndoInfo::default(),
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)
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};
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let node = &ast_id.to_ptr(db).to_node(&root);
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let offset = node.syntax().text_range().start();
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let Some(tt) = node.token_tree() else {
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return ValueResult::new(
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dummy_tt(tt::DelimiterKind::Invisible),
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Arc::new(Box::new([SyntaxError::new_at_offset(
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"missing token tree".to_owned(),
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offset,
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)])),
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);
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};
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let first = tt.left_delimiter_token().map(|it| it.kind()).unwrap_or(T!['(']);
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let last = tt.right_delimiter_token().map(|it| it.kind()).unwrap_or(T![.]);
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let mismatched_delimiters = !matches!(
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(first, last),
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(T!['('], T![')']) | (T!['['], T![']']) | (T!['{'], T!['}'])
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);
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if mismatched_delimiters {
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// Don't expand malformed (unbalanced) macro invocations. This is
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// less than ideal, but trying to expand unbalanced macro calls
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// sometimes produces pathological, deeply nested code which breaks
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// all kinds of things.
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//
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// So instead, we'll return an empty subtree here
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cov_mark::hit!(issue9358_bad_macro_stack_overflow);
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let kind = match first {
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_ if loc.def.is_proc_macro() => tt::DelimiterKind::Invisible,
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T!['('] => tt::DelimiterKind::Parenthesis,
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T!['['] => tt::DelimiterKind::Bracket,
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T!['{'] => tt::DelimiterKind::Brace,
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_ => tt::DelimiterKind::Invisible,
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};
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return ValueResult::new(
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dummy_tt(kind),
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Arc::new(Box::new([SyntaxError::new_at_offset(
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"mismatched delimiters".to_owned(),
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offset,
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)])),
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);
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}
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tt.syntax().clone()
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}
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MacroCallKind::Derive { ast_id, .. } => {
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ast_id.to_ptr(db).to_node(&root).syntax().clone()
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}
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MacroCallKind::Attr { ast_id, .. } => ast_id.to_ptr(db).to_node(&root).syntax().clone(),
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};
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let (mut tt, undo_info) = match loc.kind {
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MacroCallKind::FnLike { .. } => (
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mbe::syntax_node_to_token_tree(&syntax, map.as_ref(), loc.call_site),
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SyntaxFixupUndoInfo::NONE,
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),
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MacroCallKind::Derive { .. } | MacroCallKind::Attr { .. } => {
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let censor = censor_for_macro_input(&loc, &syntax);
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let censor_cfg =
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cfg_process::process_cfg_attrs(&syntax, &loc, db).unwrap_or_default();
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let mut fixups = fixup::fixup_syntax(map.as_ref(), &syntax, loc.call_site);
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fixups.append.retain(|it, _| match it {
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syntax::NodeOrToken::Token(_) => true,
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it => !censor.contains(it) && !censor_cfg.contains(it),
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});
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fixups.remove.extend(censor);
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fixups.remove.extend(censor_cfg);
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{
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let mut tt = mbe::syntax_node_to_token_tree_modified(
|
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&syntax,
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map.as_ref(),
|
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fixups.append.clone(),
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fixups.remove.clone(),
|
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loc.call_site,
|
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);
|
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reverse_fixups(&mut tt, &fixups.undo_info);
|
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}
|
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(
|
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mbe::syntax_node_to_token_tree_modified(
|
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&syntax,
|
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map,
|
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fixups.append,
|
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fixups.remove,
|
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loc.call_site,
|
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),
|
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fixups.undo_info,
|
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)
|
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}
|
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};
|
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|
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if loc.def.is_proc_macro() {
|
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// proc macros expect their inputs without parentheses, MBEs expect it with them included
|
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tt.delimiter.kind = tt::DelimiterKind::Invisible;
|
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}
|
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|
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if matches!(loc.def.kind, MacroDefKind::BuiltInEager(..)) {
|
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match parse.errors() {
|
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errors if errors.is_empty() => ValueResult::ok((Arc::new(tt), undo_info)),
|
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errors => ValueResult::new(
|
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(Arc::new(tt), undo_info),
|
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// Box::<[_]>::from(res.errors()), not stable yet
|
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Arc::new(errors.to_vec().into_boxed_slice()),
|
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),
|
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}
|
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} else {
|
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ValueResult::ok((Arc::new(tt), undo_info))
|
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}
|
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return ValueResult::ok((eager.arg.clone(), SyntaxFixupUndoInfo::NONE));
|
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}
|
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|
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let (parse, map) = parse_with_map(db, loc.kind.file_id());
|
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let root = parse.syntax_node();
|
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|
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let (censor, item_node) = match loc.kind {
|
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MacroCallKind::FnLike { ast_id, .. } => {
|
||||
let dummy_tt = |kind| {
|
||||
(
|
||||
Arc::new(tt::Subtree {
|
||||
delimiter: tt::Delimiter {
|
||||
open: loc.call_site,
|
||||
close: loc.call_site,
|
||||
kind,
|
||||
},
|
||||
token_trees: Box::default(),
|
||||
}),
|
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SyntaxFixupUndoInfo::default(),
|
||||
)
|
||||
};
|
||||
|
||||
let node = &ast_id.to_ptr(db).to_node(&root);
|
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let offset = node.syntax().text_range().start();
|
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let Some(tt) = node.token_tree() else {
|
||||
return ValueResult::new(
|
||||
dummy_tt(tt::DelimiterKind::Invisible),
|
||||
Arc::new(Box::new([SyntaxError::new_at_offset(
|
||||
"missing token tree".to_owned(),
|
||||
offset,
|
||||
)])),
|
||||
);
|
||||
};
|
||||
let first = tt.left_delimiter_token().map(|it| it.kind()).unwrap_or(T!['(']);
|
||||
let last = tt.right_delimiter_token().map(|it| it.kind()).unwrap_or(T![.]);
|
||||
|
||||
let mismatched_delimiters = !matches!(
|
||||
(first, last),
|
||||
(T!['('], T![')']) | (T!['['], T![']']) | (T!['{'], T!['}'])
|
||||
);
|
||||
if mismatched_delimiters {
|
||||
// Don't expand malformed (unbalanced) macro invocations. This is
|
||||
// less than ideal, but trying to expand unbalanced macro calls
|
||||
// sometimes produces pathological, deeply nested code which breaks
|
||||
// all kinds of things.
|
||||
//
|
||||
// So instead, we'll return an empty subtree here
|
||||
cov_mark::hit!(issue9358_bad_macro_stack_overflow);
|
||||
|
||||
let kind = match first {
|
||||
_ if loc.def.is_proc_macro() => tt::DelimiterKind::Invisible,
|
||||
T!['('] => tt::DelimiterKind::Parenthesis,
|
||||
T!['['] => tt::DelimiterKind::Bracket,
|
||||
T!['{'] => tt::DelimiterKind::Brace,
|
||||
_ => tt::DelimiterKind::Invisible,
|
||||
};
|
||||
return ValueResult::new(
|
||||
dummy_tt(kind),
|
||||
Arc::new(Box::new([SyntaxError::new_at_offset(
|
||||
"mismatched delimiters".to_owned(),
|
||||
offset,
|
||||
)])),
|
||||
);
|
||||
}
|
||||
|
||||
let mut tt = mbe::syntax_node_to_token_tree(tt.syntax(), map.as_ref(), loc.call_site);
|
||||
if loc.def.is_proc_macro() {
|
||||
// proc macros expect their inputs without parentheses, MBEs expect it with them included
|
||||
tt.delimiter.kind = tt::DelimiterKind::Invisible;
|
||||
}
|
||||
let val = (Arc::new(tt), SyntaxFixupUndoInfo::NONE);
|
||||
return if matches!(loc.def.kind, MacroDefKind::BuiltInEager(..)) {
|
||||
match parse.errors() {
|
||||
errors if errors.is_empty() => ValueResult::ok(val),
|
||||
errors => ValueResult::new(
|
||||
val,
|
||||
// Box::<[_]>::from(res.errors()), not stable yet
|
||||
Arc::new(errors.to_vec().into_boxed_slice()),
|
||||
),
|
||||
}
|
||||
} else {
|
||||
ValueResult::ok(val)
|
||||
};
|
||||
}
|
||||
MacroCallKind::Derive { ast_id, derive_attr_index, .. } => {
|
||||
let node = ast_id.to_ptr(db).to_node(&root);
|
||||
(censor_derive_input(derive_attr_index, &node), node.into())
|
||||
}
|
||||
MacroCallKind::Attr { ast_id, invoc_attr_index, .. } => {
|
||||
let node = ast_id.to_ptr(db).to_node(&root);
|
||||
(censor_attr_input(invoc_attr_index, &node), node)
|
||||
}
|
||||
};
|
||||
|
||||
let (mut tt, undo_info) = {
|
||||
let syntax = item_node.syntax();
|
||||
let censor_cfg = cfg_process::process_cfg_attrs(syntax, &loc, db).unwrap_or_default();
|
||||
let mut fixups = fixup::fixup_syntax(map.as_ref(), syntax, loc.call_site);
|
||||
fixups.append.retain(|it, _| match it {
|
||||
syntax::NodeOrToken::Token(_) => true,
|
||||
it => !censor.contains(it) && !censor_cfg.contains(it),
|
||||
});
|
||||
fixups.remove.extend(censor);
|
||||
fixups.remove.extend(censor_cfg);
|
||||
|
||||
(
|
||||
mbe::syntax_node_to_token_tree_modified(
|
||||
syntax,
|
||||
map,
|
||||
fixups.append,
|
||||
fixups.remove,
|
||||
loc.call_site,
|
||||
),
|
||||
fixups.undo_info,
|
||||
)
|
||||
};
|
||||
|
||||
if loc.def.is_proc_macro() {
|
||||
// proc macros expect their inputs without parentheses, MBEs expect it with them included
|
||||
tt.delimiter.kind = tt::DelimiterKind::Invisible;
|
||||
}
|
||||
|
||||
ValueResult::ok((Arc::new(tt), undo_info))
|
||||
}
|
||||
|
||||
// FIXME: Censoring info should be calculated by the caller! Namely by name resolution
|
||||
/// Certain macro calls expect some nodes in the input to be preprocessed away, namely:
|
||||
/// - derives expect all `#[derive(..)]` invocations up to the currently invoked one to be stripped
|
||||
/// - attributes expect the invoking attribute to be stripped
|
||||
fn censor_for_macro_input(loc: &MacroCallLoc, node: &SyntaxNode) -> FxHashSet<SyntaxElement> {
|
||||
/// Derives expect all `#[derive(..)]` invocations up to the currently invoked one to be stripped
|
||||
fn censor_derive_input(derive_attr_index: AttrId, node: &ast::Adt) -> FxHashSet<SyntaxElement> {
|
||||
// FIXME: handle `cfg_attr`
|
||||
(|| {
|
||||
let censor = match loc.kind {
|
||||
MacroCallKind::FnLike { .. } => return None,
|
||||
MacroCallKind::Derive { derive_attr_index, .. } => {
|
||||
cov_mark::hit!(derive_censoring);
|
||||
ast::Item::cast(node.clone())?
|
||||
.attrs()
|
||||
.take(derive_attr_index.ast_index() + 1)
|
||||
// FIXME, this resolution should not be done syntactically
|
||||
// derive is a proper macro now, no longer builtin
|
||||
// But we do not have resolution at this stage, this means
|
||||
// we need to know about all macro calls for the given ast item here
|
||||
// so we require some kind of mapping...
|
||||
.filter(|attr| attr.simple_name().as_deref() == Some("derive"))
|
||||
.map(|it| it.syntax().clone().into())
|
||||
.collect()
|
||||
}
|
||||
MacroCallKind::Attr { .. } if loc.def.is_attribute_derive() => return None,
|
||||
MacroCallKind::Attr { invoc_attr_index, .. } => {
|
||||
cov_mark::hit!(attribute_macro_attr_censoring);
|
||||
collect_attrs(&ast::Item::cast(node.clone())?)
|
||||
.nth(invoc_attr_index.ast_index())
|
||||
.and_then(|x| Either::left(x.1))
|
||||
.map(|attr| attr.syntax().clone().into())
|
||||
.into_iter()
|
||||
.collect()
|
||||
}
|
||||
};
|
||||
Some(censor)
|
||||
})()
|
||||
.unwrap_or_default()
|
||||
cov_mark::hit!(derive_censoring);
|
||||
collect_attrs(node)
|
||||
.take(derive_attr_index.ast_index() + 1)
|
||||
.filter_map(|(_, attr)| Either::left(attr))
|
||||
// FIXME, this resolution should not be done syntactically
|
||||
// derive is a proper macro now, no longer builtin
|
||||
// But we do not have resolution at this stage, this means
|
||||
// we need to know about all macro calls for the given ast item here
|
||||
// so we require some kind of mapping...
|
||||
.filter(|attr| attr.simple_name().as_deref() == Some("derive"))
|
||||
.map(|it| it.syntax().clone().into())
|
||||
.collect()
|
||||
}
|
||||
|
||||
/// Attributes expect the invoking attribute to be stripped\
|
||||
fn censor_attr_input(invoc_attr_index: AttrId, node: &ast::Item) -> FxHashSet<SyntaxElement> {
|
||||
// FIXME: handle `cfg_attr`
|
||||
cov_mark::hit!(attribute_macro_attr_censoring);
|
||||
collect_attrs(node)
|
||||
.nth(invoc_attr_index.ast_index())
|
||||
.and_then(|(_, attr)| Either::left(attr))
|
||||
.map(|attr| attr.syntax().clone().into())
|
||||
.into_iter()
|
||||
.collect()
|
||||
}
|
||||
|
||||
impl TokenExpander {
|
||||
|
@ -532,7 +527,7 @@ fn macro_expand(
|
|||
) -> ExpandResult<CowArc<tt::Subtree>> {
|
||||
let _p = tracing::span!(tracing::Level::INFO, "macro_expand").entered();
|
||||
|
||||
let ExpandResult { value: tt, mut err } = match loc.def.kind {
|
||||
let ExpandResult { value: tt, err } = match loc.def.kind {
|
||||
MacroDefKind::ProcMacro(..) => return db.expand_proc_macro(macro_call_id).map(CowArc::Arc),
|
||||
_ => {
|
||||
let ValueResult { value: (macro_arg, undo_info), err } = db.macro_arg(macro_call_id);
|
||||
|
@ -555,23 +550,34 @@ fn macro_expand(
|
|||
MacroDefKind::BuiltIn(it, _) => {
|
||||
it.expand(db, macro_call_id, arg).map_err(Into::into)
|
||||
}
|
||||
// This might look a bit odd, but we do not expand the inputs to eager macros here.
|
||||
// Eager macros inputs are expanded, well, eagerly when we collect the macro calls.
|
||||
// That kind of expansion uses the ast id map of an eager macros input though which goes through
|
||||
// the HirFileId machinery. As eager macro inputs are assigned a macro file id that query
|
||||
// will end up going through here again, whereas we want to just want to inspect the raw input.
|
||||
// As such we just return the input subtree here.
|
||||
MacroDefKind::BuiltInEager(..) if loc.eager.is_none() => {
|
||||
return ExpandResult {
|
||||
value: CowArc::Arc(macro_arg.clone()),
|
||||
err: err.map(format_parse_err),
|
||||
};
|
||||
}
|
||||
MacroDefKind::BuiltInDerive(it, _) => {
|
||||
it.expand(db, macro_call_id, arg).map_err(Into::into)
|
||||
}
|
||||
MacroDefKind::BuiltInEager(it, _) => {
|
||||
it.expand(db, macro_call_id, arg).map_err(Into::into)
|
||||
// This might look a bit odd, but we do not expand the inputs to eager macros here.
|
||||
// Eager macros inputs are expanded, well, eagerly when we collect the macro calls.
|
||||
// That kind of expansion uses the ast id map of an eager macros input though which goes through
|
||||
// the HirFileId machinery. As eager macro inputs are assigned a macro file id that query
|
||||
// will end up going through here again, whereas we want to just want to inspect the raw input.
|
||||
// As such we just return the input subtree here.
|
||||
let eager = match &loc.kind {
|
||||
MacroCallKind::FnLike { eager: None, .. } => {
|
||||
return ExpandResult {
|
||||
value: CowArc::Arc(macro_arg.clone()),
|
||||
err: err.map(format_parse_err),
|
||||
};
|
||||
}
|
||||
MacroCallKind::FnLike { eager: Some(eager), .. } => Some(&**eager),
|
||||
_ => None,
|
||||
};
|
||||
|
||||
let mut res = it.expand(db, macro_call_id, arg).map_err(Into::into);
|
||||
|
||||
if let Some(EagerCallInfo { error, .. }) = eager {
|
||||
// FIXME: We should report both errors!
|
||||
res.err = error.clone().or(res.err);
|
||||
}
|
||||
res
|
||||
}
|
||||
MacroDefKind::BuiltInAttr(it, _) => {
|
||||
let mut res = it.expand(db, macro_call_id, arg);
|
||||
|
@ -588,11 +594,6 @@ fn macro_expand(
|
|||
}
|
||||
};
|
||||
|
||||
if let Some(EagerCallInfo { error, .. }) = loc.eager.as_deref() {
|
||||
// FIXME: We should report both errors!
|
||||
err = error.clone().or(err);
|
||||
}
|
||||
|
||||
// Skip checking token tree limit for include! macro call
|
||||
if !loc.def.is_include() {
|
||||
// Set a hard limit for the expanded tt
|
||||
|
|
|
@ -27,22 +27,20 @@ use crate::{
|
|||
ast::{self, AstNode},
|
||||
db::ExpandDatabase,
|
||||
mod_path::ModPath,
|
||||
EagerCallInfo, ExpandError, ExpandResult, ExpandTo, ExpansionSpanMap, InFile, Intern,
|
||||
AstId, EagerCallInfo, ExpandError, ExpandResult, ExpandTo, ExpansionSpanMap, InFile, Intern,
|
||||
MacroCallId, MacroCallKind, MacroCallLoc, MacroDefId, MacroDefKind,
|
||||
};
|
||||
|
||||
pub fn expand_eager_macro_input(
|
||||
db: &dyn ExpandDatabase,
|
||||
krate: CrateId,
|
||||
macro_call: InFile<ast::MacroCall>,
|
||||
macro_call: &ast::MacroCall,
|
||||
ast_id: AstId<ast::MacroCall>,
|
||||
def: MacroDefId,
|
||||
call_site: Span,
|
||||
resolver: &dyn Fn(ModPath) -> Option<MacroDefId>,
|
||||
) -> ExpandResult<Option<MacroCallId>> {
|
||||
let ast_map = db.ast_id_map(macro_call.file_id);
|
||||
// the expansion which the ast id map is built upon has no whitespace, so the offsets are wrong as macro_call is from the token tree that has whitespace!
|
||||
let call_id = InFile::new(macro_call.file_id, ast_map.ast_id(¯o_call.value));
|
||||
let expand_to = ExpandTo::from_call_site(¯o_call.value);
|
||||
let expand_to = ExpandTo::from_call_site(macro_call);
|
||||
|
||||
// Note:
|
||||
// When `lazy_expand` is called, its *parent* file must already exist.
|
||||
|
@ -51,8 +49,7 @@ pub fn expand_eager_macro_input(
|
|||
let arg_id = MacroCallLoc {
|
||||
def,
|
||||
krate,
|
||||
eager: None,
|
||||
kind: MacroCallKind::FnLike { ast_id: call_id, expand_to: ExpandTo::Expr },
|
||||
kind: MacroCallKind::FnLike { ast_id, expand_to: ExpandTo::Expr, eager: None },
|
||||
call_site,
|
||||
}
|
||||
.intern(db);
|
||||
|
@ -89,8 +86,15 @@ pub fn expand_eager_macro_input(
|
|||
let loc = MacroCallLoc {
|
||||
def,
|
||||
krate,
|
||||
eager: Some(Arc::new(EagerCallInfo { arg: Arc::new(subtree), arg_id, error: err.clone() })),
|
||||
kind: MacroCallKind::FnLike { ast_id: call_id, expand_to },
|
||||
kind: MacroCallKind::FnLike {
|
||||
ast_id,
|
||||
expand_to,
|
||||
eager: Some(Arc::new(EagerCallInfo {
|
||||
arg: Arc::new(subtree),
|
||||
arg_id,
|
||||
error: err.clone(),
|
||||
})),
|
||||
},
|
||||
call_site,
|
||||
};
|
||||
|
||||
|
@ -100,15 +104,18 @@ pub fn expand_eager_macro_input(
|
|||
fn lazy_expand(
|
||||
db: &dyn ExpandDatabase,
|
||||
def: &MacroDefId,
|
||||
macro_call: InFile<ast::MacroCall>,
|
||||
macro_call: &ast::MacroCall,
|
||||
ast_id: AstId<ast::MacroCall>,
|
||||
krate: CrateId,
|
||||
call_site: Span,
|
||||
) -> ExpandResult<(InFile<Parse<SyntaxNode>>, Arc<ExpansionSpanMap>)> {
|
||||
let ast_id = db.ast_id_map(macro_call.file_id).ast_id(¯o_call.value);
|
||||
|
||||
let expand_to = ExpandTo::from_call_site(¯o_call.value);
|
||||
let ast_id = macro_call.with_value(ast_id);
|
||||
let id = def.as_lazy_macro(db, krate, MacroCallKind::FnLike { ast_id, expand_to }, call_site);
|
||||
let expand_to = ExpandTo::from_call_site(macro_call);
|
||||
let id = def.make_call(
|
||||
db,
|
||||
krate,
|
||||
MacroCallKind::FnLike { ast_id, expand_to, eager: None },
|
||||
call_site,
|
||||
);
|
||||
let macro_file = id.as_macro_file();
|
||||
|
||||
db.parse_macro_expansion(macro_file)
|
||||
|
@ -172,12 +179,14 @@ fn eager_macro_recur(
|
|||
continue;
|
||||
}
|
||||
};
|
||||
let ast_id = db.ast_id_map(curr.file_id).ast_id(&call);
|
||||
let ExpandResult { value, err } = match def.kind {
|
||||
MacroDefKind::BuiltInEager(..) => {
|
||||
let ExpandResult { value, err } = expand_eager_macro_input(
|
||||
db,
|
||||
krate,
|
||||
curr.with_value(call.clone()),
|
||||
&call,
|
||||
curr.with_value(ast_id),
|
||||
def,
|
||||
call_site,
|
||||
macro_resolver,
|
||||
|
@ -207,7 +216,7 @@ fn eager_macro_recur(
|
|||
| MacroDefKind::BuiltInDerive(..)
|
||||
| MacroDefKind::ProcMacro(..) => {
|
||||
let ExpandResult { value: (parse, tm), err } =
|
||||
lazy_expand(db, &def, curr.with_value(call.clone()), krate, call_site);
|
||||
lazy_expand(db, &def, &call, curr.with_value(ast_id), krate, call_site);
|
||||
|
||||
// replace macro inside
|
||||
let ExpandResult { value, err: error } = eager_macro_recur(
|
||||
|
|
|
@ -170,12 +170,8 @@ impl fmt::Display for ExpandError {
|
|||
pub struct MacroCallLoc {
|
||||
pub def: MacroDefId,
|
||||
pub krate: CrateId,
|
||||
/// Some if this is a macro call for an eager macro. Note that this is `None`
|
||||
/// for the eager input macro file.
|
||||
// FIXME: This is being interned, subtrees can vary quickly differ just slightly causing
|
||||
// leakage problems here
|
||||
eager: Option<Arc<EagerCallInfo>>,
|
||||
pub kind: MacroCallKind,
|
||||
// FIXME: Spans while relative to an anchor, are still rather unstable
|
||||
pub call_site: Span,
|
||||
}
|
||||
impl_intern_value_trivial!(MacroCallLoc);
|
||||
|
@ -214,6 +210,11 @@ pub enum MacroCallKind {
|
|||
FnLike {
|
||||
ast_id: AstId<ast::MacroCall>,
|
||||
expand_to: ExpandTo,
|
||||
/// Some if this is a macro call for an eager macro. Note that this is `None`
|
||||
/// for the eager input macro file.
|
||||
// FIXME: This is being interned, subtrees can vary quickly differ just slightly causing
|
||||
// leakage problems here
|
||||
eager: Option<Arc<EagerCallInfo>>,
|
||||
},
|
||||
Derive {
|
||||
ast_id: AstId<ast::Adt>,
|
||||
|
@ -275,7 +276,7 @@ impl HirFileIdExt for HirFileId {
|
|||
HirFileIdRepr::MacroFile(file) => {
|
||||
let loc = db.lookup_intern_macro_call(file.macro_call_id);
|
||||
if loc.def.is_include() {
|
||||
if let Some(eager) = &loc.eager {
|
||||
if let MacroCallKind::FnLike { eager: Some(eager), .. } = &loc.kind {
|
||||
if let Ok(it) = builtin_fn_macro::include_input_to_file_id(
|
||||
db,
|
||||
file.macro_call_id,
|
||||
|
@ -405,14 +406,14 @@ impl MacroFileIdExt for MacroFileId {
|
|||
}
|
||||
|
||||
impl MacroDefId {
|
||||
pub fn as_lazy_macro(
|
||||
pub fn make_call(
|
||||
self,
|
||||
db: &dyn ExpandDatabase,
|
||||
krate: CrateId,
|
||||
kind: MacroCallKind,
|
||||
call_site: Span,
|
||||
) -> MacroCallId {
|
||||
MacroCallLoc { def: self, krate, eager: None, kind, call_site }.intern(db)
|
||||
MacroCallLoc { def: self, krate, kind, call_site }.intern(db)
|
||||
}
|
||||
|
||||
pub fn definition_range(&self, db: &dyn ExpandDatabase) -> InFile<TextRange> {
|
||||
|
@ -534,7 +535,7 @@ impl MacroCallLoc {
|
|||
macro_call_id: MacroCallId,
|
||||
) -> Option<FileId> {
|
||||
if self.def.is_include() {
|
||||
if let Some(eager) = &self.eager {
|
||||
if let MacroCallKind::FnLike { eager: Some(eager), .. } = &self.kind {
|
||||
if let Ok(it) =
|
||||
builtin_fn_macro::include_input_to_file_id(db, macro_call_id, &eager.arg)
|
||||
{
|
||||
|
|
Loading…
Reference in a new issue