Fix expression scope calculation when within macro expansions

This commit is contained in:
Lukas Wirth 2024-06-30 13:26:17 +02:00
parent 882ae7105d
commit bfb187aacd
7 changed files with 99 additions and 33 deletions

View file

@ -10,9 +10,7 @@ license = "MIT OR Apache-2.0"
authors = ["rust-analyzer team"]
[profile.dev]
# Disabling debug info speeds up builds a bunch,
# and we don't rely on it for debugging that much.
debug = 0
debug = 1
[profile.dev.package]
# These speed up local tests.

View file

@ -158,6 +158,40 @@ impl<FileId: Copy, N: AstNode> InFileWrapper<FileId, &N> {
// region:specific impls
impl InFile<&SyntaxNode> {
pub fn parent_ancestors_with_macros(
self,
db: &dyn db::ExpandDatabase,
) -> impl Iterator<Item = InFile<SyntaxNode>> + '_ {
let succ = move |node: &InFile<SyntaxNode>| match node.value.parent() {
Some(parent) => Some(node.with_value(parent)),
None => db
.lookup_intern_macro_call(node.file_id.macro_file()?.macro_call_id)
.to_node_item(db)
.syntax()
.cloned()
.map(|node| node.parent())
.transpose(),
};
std::iter::successors(succ(&self.cloned()), succ)
}
pub fn ancestors_with_macros(
self,
db: &dyn db::ExpandDatabase,
) -> impl Iterator<Item = InFile<SyntaxNode>> + '_ {
let succ = move |node: &InFile<SyntaxNode>| match node.value.parent() {
Some(parent) => Some(node.with_value(parent)),
None => db
.lookup_intern_macro_call(node.file_id.macro_file()?.macro_call_id)
.to_node_item(db)
.syntax()
.cloned()
.map(|node| node.parent())
.transpose(),
};
std::iter::successors(Some(self.cloned()), succ)
}
/// Falls back to the macro call range if the node cannot be mapped up fully.
///
/// For attributes and derives, this will point back to the attribute only.

View file

@ -68,38 +68,44 @@ impl SourceAnalyzer {
pub(crate) fn new_for_body(
db: &dyn HirDatabase,
def: DefWithBodyId,
node @ InFile { file_id, .. }: InFile<&SyntaxNode>,
node: InFile<&SyntaxNode>,
offset: Option<TextSize>,
) -> SourceAnalyzer {
let (body, source_map) = db.body_with_source_map(def);
let scopes = db.expr_scopes(def);
let scope = match offset {
None => scope_for(&scopes, &source_map, node),
Some(offset) => scope_for_offset(db, &scopes, &source_map, node.file_id, offset),
};
let resolver = resolver_for_scope(db.upcast(), def, scope);
SourceAnalyzer {
resolver,
def: Some((def, body, source_map)),
infer: Some(db.infer(def)),
file_id,
}
Self::new_for_body_(db, def, node, offset, Some(db.infer(def)))
}
pub(crate) fn new_for_body_no_infer(
db: &dyn HirDatabase,
def: DefWithBodyId,
node: InFile<&SyntaxNode>,
offset: Option<TextSize>,
) -> SourceAnalyzer {
Self::new_for_body_(db, def, node, offset, None)
}
pub(crate) fn new_for_body_(
db: &dyn HirDatabase,
def: DefWithBodyId,
node @ InFile { file_id, .. }: InFile<&SyntaxNode>,
offset: Option<TextSize>,
infer: Option<Arc<InferenceResult>>,
) -> SourceAnalyzer {
let (body, source_map) = db.body_with_source_map(def);
let scopes = db.expr_scopes(def);
let scope = match offset {
None => scope_for(&scopes, &source_map, node),
Some(offset) => scope_for_offset(db, &scopes, &source_map, node.file_id, offset),
None => scope_for(db, &scopes, &source_map, node),
Some(offset) => {
debug_assert!(
node.value.text_range().contains_inclusive(offset),
"{:?} not in {:?}",
offset,
node.value.text_range()
);
scope_for_offset(db, &scopes, &source_map, node.file_id, offset)
}
};
let resolver = resolver_for_scope(db.upcast(), def, scope);
SourceAnalyzer { resolver, def: Some((def, body, source_map)), infer: None, file_id }
SourceAnalyzer { resolver, def: Some((def, body, source_map)), infer, file_id }
}
pub(crate) fn new_for_resolver(
@ -662,7 +668,6 @@ impl SourceAnalyzer {
return resolved;
}
// This must be a normal source file rather than macro file.
let ctx = LowerCtx::new(db.upcast(), self.file_id);
let hir_path = Path::from_src(&ctx, path.clone())?;
@ -955,14 +960,17 @@ impl SourceAnalyzer {
}
fn scope_for(
db: &dyn HirDatabase,
scopes: &ExprScopes,
source_map: &BodySourceMap,
node: InFile<&SyntaxNode>,
) -> Option<ScopeId> {
node.value
.ancestors()
.filter_map(ast::Expr::cast)
.filter_map(|it| source_map.node_expr(InFile::new(node.file_id, &it)))
node.ancestors_with_macros(db.upcast())
.take_while(|it| {
!ast::Item::can_cast(it.value.kind()) || ast::MacroCall::can_cast(it.value.kind())
})
.filter_map(|it| it.map(ast::Expr::cast).transpose())
.filter_map(|it| source_map.node_expr(it.as_ref()))
.find_map(|it| scopes.scope_for(it))
}

View file

@ -76,7 +76,11 @@ pub(crate) fn bool_to_enum(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option
let usages = definition.usages(&ctx.sema).all();
add_enum_def(edit, ctx, &usages, target_node, &target_module);
replace_usages(edit, ctx, usages, definition, &target_module);
let mut delayed_mutations = Vec::new();
replace_usages(edit, ctx, usages, definition, &target_module, &mut delayed_mutations);
for (scope, path) in delayed_mutations {
insert_use(&scope, path, &ctx.config.insert_use);
}
},
)
}
@ -197,6 +201,7 @@ fn replace_usages(
usages: UsageSearchResult,
target_definition: Definition,
target_module: &hir::Module,
delayed_mutations: &mut Vec<(ImportScope, ast::Path)>,
) {
for (file_id, references) in usages {
edit.edit_file(file_id);
@ -217,6 +222,7 @@ fn replace_usages(
def.usages(&ctx.sema).all(),
target_definition,
target_module,
delayed_mutations,
)
}
} else if let Some(initializer) = find_assignment_usage(&name) {
@ -255,6 +261,7 @@ fn replace_usages(
def.usages(&ctx.sema).all(),
target_definition,
target_module,
delayed_mutations,
)
}
}
@ -306,7 +313,7 @@ fn replace_usages(
ImportScope::Module(it) => ImportScope::Module(edit.make_mut(it)),
ImportScope::Block(it) => ImportScope::Block(edit.make_mut(it)),
};
insert_use(&scope, path, &ctx.config.insert_use);
delayed_mutations.push((scope, path));
}
},
)

View file

@ -78,7 +78,6 @@ impl RunnableKind {
}
impl Runnable {
// test package::module::testname
pub fn label(&self, target: Option<&str>) -> String {
match &self.kind {
RunnableKind::Test { test_id, .. } => format!("test {test_id}"),
@ -86,7 +85,7 @@ impl Runnable {
RunnableKind::Bench { test_id } => format!("bench {test_id}"),
RunnableKind::DocTest { test_id, .. } => format!("doctest {test_id}"),
RunnableKind::Bin => {
target.map_or_else(|| "run binary".to_owned(), |t| format!("run {t}"))
format!("run {}", target.unwrap_or("binary"))
}
}
}
@ -513,11 +512,11 @@ impl TestAttr {
}
}
const RUSTDOC_FENCES: [&str; 2] = ["```", "~~~"];
const RUSTDOC_CODE_BLOCK_ATTRIBUTES_RUNNABLE: &[&str] =
&["", "rust", "should_panic", "edition2015", "edition2018", "edition2021"];
fn has_runnable_doc_test(attrs: &hir::Attrs) -> bool {
const RUSTDOC_FENCES: [&str; 2] = ["```", "~~~"];
const RUSTDOC_CODE_BLOCK_ATTRIBUTES_RUNNABLE: &[&str] =
&["", "rust", "should_panic", "edition2015", "edition2018", "edition2021"];
docs_from_attrs(attrs).map_or(false, |doc| {
let mut in_code_block = false;

View file

@ -94,10 +94,20 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="brace">}</span>
<span class="brace">}</span>
<span class="keyword">macro_rules</span><span class="macro_bang">!</span> <span class="macro declaration">id</span> <span class="brace">{</span>
<span class="parenthesis">(</span><span class="punctuation">$</span><span class="parenthesis">(</span><span class="punctuation">$</span>tt<span class="colon">:</span>tt<span class="parenthesis">)</span><span class="punctuation">*</span><span class="parenthesis">)</span> <span class="operator">=</span><span class="angle">&gt;</span> <span class="brace">{</span>
<span class="punctuation">$</span><span class="parenthesis">(</span><span class="punctuation">$</span>tt<span class="parenthesis">)</span><span class="punctuation">*</span>
<span class="brace">}</span><span class="semicolon">;</span>
<span class="brace">}</span>
<span class="macro default_library library">include</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="macro default_library library macro">concat</span><span class="macro_bang macro">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"foo/"</span><span class="string_literal macro">,</span> <span class="string_literal macro">"foo.rs"</span><span class="parenthesis macro">)</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="keyword">struct</span> <span class="struct declaration">S</span><span class="angle">&lt;</span><span class="type_param declaration">T</span><span class="angle">&gt;</span><span class="parenthesis">(</span><span class="type_param">T</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="keyword">fn</span> <span class="function declaration">main</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
<span class="keyword">struct</span> <span class="struct declaration">TestLocal</span><span class="semicolon">;</span>
<span class="comment">// regression test, TestLocal here used to not resolve</span>
<span class="keyword">let</span> <span class="punctuation">_</span><span class="colon">:</span> <span class="struct">S</span><span class="angle">&lt;</span><span class="macro">id</span><span class="macro_bang">!</span><span class="bracket macro">[</span><span class="struct macro">TestLocal</span><span class="bracket macro">]</span><span class="angle">&gt;</span><span class="semicolon">;</span>
<span class="macro default_library library">format_args</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello, </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="parenthesis macro">(</span><span class="numeric_literal macro">92</span><span class="comma macro">,</span><span class="parenthesis macro">)</span><span class="operator macro">.</span><span class="field library macro">0</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">dont_color_me_braces</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">noop</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="macro macro">noop</span><span class="macro_bang macro">!</span><span class="parenthesis macro">(</span><span class="numeric_literal macro">1</span><span class="parenthesis macro">)</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>

View file

@ -102,10 +102,20 @@ macro without_args {
}
}
macro_rules! id {
($($tt:tt)*) => {
$($tt)*
};
}
include!(concat!("foo/", "foo.rs"));
struct S<T>(T);
fn main() {
struct TestLocal;
// regression test, TestLocal here used to not resolve
let _: S<id![TestLocal]>;
format_args!("Hello, {}!", (92,).0);
dont_color_me_braces!();
noop!(noop!(1));