[PATCH] D103361: [Rust][Demangle] Parse dyn-trait
Tomasz Miąsko via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sat May 29 09:53:19 PDT 2021
tmiasko created this revision.
tmiasko added a reviewer: dblaikie.
Herald added subscribers: JDevlieghere, hiraditya.
tmiasko requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.
Depends on D103151 <https://reviews.llvm.org/D103151>
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D103361
Files:
llvm/include/llvm/Demangle/RustDemangle.h
llvm/lib/Demangle/RustDemangle.cpp
llvm/test/Demangle/rust.test
Index: llvm/test/Demangle/rust.test
===================================================================
--- llvm/test/Demangle/rust.test
+++ llvm/test/Demangle/rust.test
@@ -243,6 +243,15 @@
CHECK: trait::<for<'a> fn(dyn for<'b> + 'a)>
_RIC5traitFG_DG_EL0_EuE
+CHECK: trait::<dyn Display>
+ _RIC5traitDC7DisplayEL_E
+
+CHECK: trait::<dyn Display + Send + Sync>
+ _RIC5traitDC7DisplayC4SendC4SyncEL_E
+
+CHECK: trait::<dyn for<'a> Display>
+ _RIC5traitDG_C7DisplayEL_E
+
; Invalid trait object, missing lifetime.
CHECK: _RIC5traitDEE
Index: llvm/lib/Demangle/RustDemangle.cpp
===================================================================
--- llvm/lib/Demangle/RustDemangle.cpp
+++ llvm/lib/Demangle/RustDemangle.cpp
@@ -545,9 +545,18 @@
SwapAndRestore<size_t> SaveBoundLifetimes(BoundLifetimes, BoundLifetimes);
print("dyn ");
demangleBinder();
- // FIXME demangle {dyn-trait}
- if (!consumeIf('E'))
- Error = true;
+ for (size_t I = 0; !Error && !consumeIf('E'); ++I) {
+ if (I > 0)
+ print(" + ");
+ demangleDynTrait();
+ }
+}
+
+// <dyn-trait> = <path> {<dyn-trait-assoc-binding>}
+// <dyn-trait-assoc-binding> = "p" <undisambiguated-identifier> <type>
+void Demangler::demangleDynTrait() {
+ demanglePath(InType::Yes);
+ // FIXME demangle {<dyn-trait-assoc-binding>}
}
// Demangles optional binder and updates the number of bound lifetimes.
Index: llvm/include/llvm/Demangle/RustDemangle.h
===================================================================
--- llvm/include/llvm/Demangle/RustDemangle.h
+++ llvm/include/llvm/Demangle/RustDemangle.h
@@ -90,6 +90,7 @@
void demangleType();
void demangleFnSig();
void demangleDynBounds();
+ void demangleDynTrait();
void demangleBinder();
void demangleConst();
void demangleConstInt();
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