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Retire rustc_dep_node_force.

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This commit is contained in:
Camille GILLOT 2020-10-11 20:58:31 +02:00
parent de7da7fd3d
commit e853cc0b28
2 changed files with 34 additions and 44 deletions
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33
compiler/rustc_macros/src/query.rs
View File

@ -421,7 +421,6 @@ pub fn rustc_queries(input: TokenStream) -> TokenStream {
let mut query_stream = quote! {};
let mut query_description_stream = quote! {};
let mut dep_node_def_stream = quote! {};
let mut dep_node_force_stream = quote! {};
let mut try_load_from_on_disk_cache_stream = quote! {};
let mut cached_queries = quote! {};
@ -498,33 +497,10 @@ pub fn rustc_queries(input: TokenStream) -> TokenStream {
[#attribute_stream] #name(#arg),
});
// Add a match arm to force the query given the dep node
dep_node_force_stream.extend(quote! {
::rustc_middle::dep_graph::DepKind::#name => {
if <#arg as DepNodeParams<TyCtxt<'_>>>::can_reconstruct_query_key() {
if let Some(key) = <#arg as DepNodeParams<TyCtxt<'_>>>::recover($tcx, $dep_node) {
force_query::<crate::ty::query::queries::#name<'_>, _>(
$tcx,
key,
DUMMY_SP,
*$dep_node
);
return true;
}
}
}
});
add_query_description_impl(&query, modifiers, &mut query_description_stream);
}
}
dep_node_force_stream.extend(quote! {
::rustc_middle::dep_graph::DepKind::Null => {
bug!("Cannot force dep node: {:?}", $dep_node)
}
});
TokenStream::from(quote! {
macro_rules! rustc_query_append {
([$($macro:tt)*][$($other:tt)*]) => {
@ -545,15 +521,6 @@ pub fn rustc_queries(input: TokenStream) -> TokenStream {
);
}
}
macro_rules! rustc_dep_node_force {
([$dep_node:expr, $tcx:expr] $($other:tt)*) => {
match $dep_node.kind {
$($other)*
#dep_node_force_stream
}
}
}
macro_rules! rustc_cached_queries {
($($macro:tt)*) => {
$($macro)*(#cached_queries);

45
compiler/rustc_middle/src/ty/query/mod.rs
View File

@ -168,20 +168,43 @@ pub fn force_from_dep_node<'tcx>(tcx: TyCtxt<'tcx>, dep_node: &DepNode) -> bool
return false;
}
rustc_dep_node_force!([dep_node, tcx]
// These are inputs that are expected to be pre-allocated and that
// should therefore always be red or green already.
DepKind::CrateMetadata |
macro_rules! force_from_dep_node {
($($(#[$attr:meta])* [$($modifiers:tt)*] $name:ident($K:ty),)*) => {
match dep_node.kind {
// These are inputs that are expected to be pre-allocated and that
// should therefore always be red or green already.
DepKind::CrateMetadata |
// These are anonymous nodes.
DepKind::TraitSelect |
// These are anonymous nodes.
DepKind::TraitSelect |
// We don't have enough information to reconstruct the query key of
// these.
DepKind::CompileCodegenUnit => {
bug!("force_from_dep_node: encountered {:?}", dep_node)
// We don't have enough information to reconstruct the query key of
// these.
DepKind::CompileCodegenUnit |
// Forcing this makes no sense.
DepKind::Null => {
bug!("force_from_dep_node: encountered {:?}", dep_node)
}
$(DepKind::$name => {
debug_assert!(<$K as DepNodeParams<TyCtxt<'_>>>::can_reconstruct_query_key());
if let Some(key) = <$K as DepNodeParams<TyCtxt<'_>>>::recover(tcx, dep_node) {
force_query::<queries::$name<'_>, _>(
tcx,
key,
DUMMY_SP,
*dep_node
);
return true;
}
})*
}
}
);
}
rustc_dep_node_append! { [force_from_dep_node!][] }
false
}