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-rw-r--r--compiler/rustc_expand/src/expand.rs42
1 files changed, 23 insertions, 19 deletions
diff --git a/compiler/rustc_expand/src/expand.rs b/compiler/rustc_expand/src/expand.rs
index 57713fb3c..1014ec220 100644
--- a/compiler/rustc_expand/src/expand.rs
+++ b/compiler/rustc_expand/src/expand.rs
@@ -1,7 +1,7 @@
use crate::base::*;
use crate::config::StripUnconfigured;
use crate::hygiene::SyntaxContext;
-use crate::mbe::macro_rules::annotate_err_with_kind;
+use crate::mbe::diagnostics::annotate_err_with_kind;
use crate::module::{mod_dir_path, parse_external_mod, DirOwnership, ParsedExternalMod};
use crate::placeholders::{placeholder, PlaceholderExpander};
@@ -11,9 +11,9 @@ use rustc_ast::ptr::P;
use rustc_ast::token::{self, Delimiter};
use rustc_ast::tokenstream::TokenStream;
use rustc_ast::visit::{self, AssocCtxt, Visitor};
-use rustc_ast::{AssocItemKind, AstNodeWrapper, AttrStyle, AttrVec, ExprKind, ForeignItemKind};
-use rustc_ast::{HasAttrs, HasNodeId};
-use rustc_ast::{Inline, ItemKind, MacArgs, MacStmtStyle, MetaItemKind, ModKind};
+use rustc_ast::{AssocItemKind, AstNodeWrapper, AttrArgs, AttrStyle, AttrVec, ExprKind};
+use rustc_ast::{ForeignItemKind, HasAttrs, HasNodeId};
+use rustc_ast::{Inline, ItemKind, MacStmtStyle, MetaItemKind, ModKind};
use rustc_ast::{NestedMetaItem, NodeId, PatKind, StmtKind, TyKind};
use rustc_ast_pretty::pprust;
use rustc_data_structures::map_in_place::MapInPlace;
@@ -337,6 +337,7 @@ pub enum InvocationKind {
},
Derive {
path: ast::Path,
+ is_const: bool,
item: Annotatable,
},
}
@@ -400,7 +401,7 @@ impl<'a, 'b> MacroExpander<'a, 'b> {
krate
}
- // Recursively expand all macro invocations in this AST fragment.
+ /// Recursively expand all macro invocations in this AST fragment.
pub fn fully_expand_fragment(&mut self, input_fragment: AstFragment) -> AstFragment {
let orig_expansion_data = self.cx.current_expansion.clone();
let orig_force_mode = self.cx.force_mode;
@@ -478,13 +479,13 @@ impl<'a, 'b> MacroExpander<'a, 'b> {
derive_invocations.reserve(derives.len());
derives
.into_iter()
- .map(|(path, item, _exts)| {
+ .map(|(path, item, _exts, is_const)| {
// FIXME: Consider using the derive resolutions (`_exts`)
// instead of enqueuing the derives to be resolved again later.
let expn_id = LocalExpnId::fresh_empty();
derive_invocations.push((
Invocation {
- kind: InvocationKind::Derive { path, item },
+ kind: InvocationKind::Derive { path, item, is_const },
fragment_kind,
expansion_data: ExpansionData {
id: expn_id,
@@ -653,7 +654,7 @@ impl<'a, 'b> MacroExpander<'a, 'b> {
ExpandResult::Ready(match invoc.kind {
InvocationKind::Bang { mac, .. } => match ext {
SyntaxExtensionKind::Bang(expander) => {
- let Ok(tok_result) = expander.expand(self.cx, span, mac.args.inner_tokens()) else {
+ let Ok(tok_result) = expander.expand(self.cx, span, mac.args.tokens.clone()) else {
return ExpandResult::Ready(fragment_kind.dummy(span));
};
self.parse_ast_fragment(tok_result, fragment_kind, &mac.path, span)
@@ -661,7 +662,7 @@ impl<'a, 'b> MacroExpander<'a, 'b> {
SyntaxExtensionKind::LegacyBang(expander) => {
let prev = self.cx.current_expansion.prior_type_ascription;
self.cx.current_expansion.prior_type_ascription = mac.prior_type_ascription;
- let tok_result = expander.expand(self.cx, span, mac.args.inner_tokens());
+ let tok_result = expander.expand(self.cx, span, mac.args.tokens.clone());
let result = if let Some(result) = fragment_kind.make_from(tok_result) {
result
} else {
@@ -705,7 +706,7 @@ impl<'a, 'b> MacroExpander<'a, 'b> {
_ => item.to_tokens(),
};
let attr_item = attr.unwrap_normal_item();
- if let MacArgs::Eq(..) = attr_item.args {
+ if let AttrArgs::Eq(..) = attr_item.args {
self.cx.span_err(span, "key-value macro attributes are not supported");
}
let inner_tokens = attr_item.args.inner_tokens();
@@ -717,7 +718,7 @@ impl<'a, 'b> MacroExpander<'a, 'b> {
SyntaxExtensionKind::LegacyAttr(expander) => {
match validate_attr::parse_meta(&self.cx.sess.parse_sess, &attr) {
Ok(meta) => {
- let items = match expander.expand(self.cx, span, &meta, item) {
+ let items = match expander.expand(self.cx, span, &meta, item, false) {
ExpandResult::Ready(items) => items,
ExpandResult::Retry(item) => {
// Reassemble the original invocation for retrying.
@@ -749,19 +750,19 @@ impl<'a, 'b> MacroExpander<'a, 'b> {
}
_ => unreachable!(),
},
- InvocationKind::Derive { path, item } => match ext {
+ InvocationKind::Derive { path, item, is_const } => match ext {
SyntaxExtensionKind::Derive(expander)
| SyntaxExtensionKind::LegacyDerive(expander) => {
if let SyntaxExtensionKind::Derive(..) = ext {
self.gate_proc_macro_input(&item);
}
let meta = ast::MetaItem { kind: MetaItemKind::Word, span, path };
- let items = match expander.expand(self.cx, span, &meta, item) {
+ let items = match expander.expand(self.cx, span, &meta, item, is_const) {
ExpandResult::Ready(items) => items,
ExpandResult::Retry(item) => {
// Reassemble the original invocation for retrying.
return ExpandResult::Retry(Invocation {
- kind: InvocationKind::Derive { path: meta.path, item },
+ kind: InvocationKind::Derive { path: meta.path, item, is_const },
..invoc
});
}
@@ -1121,7 +1122,7 @@ impl InvocationCollectorNode for P<ast::Item> {
ecx.current_expansion.lint_node_id,
&attrs,
&items,
- ident.name.as_str(),
+ ident.name,
);
}
@@ -1643,7 +1644,7 @@ impl<'a, 'b> InvocationCollector<'a, 'b> {
let mut span: Option<Span> = None;
while let Some(attr) = attrs.next() {
rustc_ast_passes::feature_gate::check_attribute(attr, self.cx.sess, features);
- validate_attr::check_meta(&self.cx.sess.parse_sess, attr);
+ validate_attr::check_attr(&self.cx.sess.parse_sess, attr);
let current_span = if let Some(sp) = span { sp.to(attr.span) } else { attr.span };
span = Some(current_span);
@@ -1930,9 +1931,12 @@ pub struct ExpansionConfig<'feat> {
pub features: Option<&'feat Features>,
pub recursion_limit: Limit,
pub trace_mac: bool,
- pub should_test: bool, // If false, strip `#[test]` nodes
- pub span_debug: bool, // If true, use verbose debugging for `proc_macro::Span`
- pub proc_macro_backtrace: bool, // If true, show backtraces for proc-macro panics
+ /// If false, strip `#[test]` nodes
+ pub should_test: bool,
+ /// If true, use verbose debugging for `proc_macro::Span`
+ pub span_debug: bool,
+ /// If true, show backtraces for proc-macro panics
+ pub proc_macro_backtrace: bool,
}
impl<'feat> ExpansionConfig<'feat> {