diff options
| author | Chris Mihelich <cmihelic@google.com> | 2024-05-21 15:54:34 -0700 |
|---|---|---|
| committer | Copybara-Service <copybara-worker@google.com> | 2024-05-21 15:55:28 -0700 |
| commit | a2625a648dc69c5b3d0330f25004454716cacfc8 (patch) | |
| tree | 89e63a05d581fc93392a08e4759dcc1fcaeb690b /absl/debugging/internal/demangle_rust.cc | |
| parent | 7a730c1b22702b931431c84fe8e42b9c4b0051a0 (diff) | |
| download | abseil-a2625a648dc69c5b3d0330f25004454716cacfc8.tar.gz abseil-a2625a648dc69c5b3d0330f25004454716cacfc8.tar.bz2 abseil-a2625a648dc69c5b3d0330f25004454716cacfc8.zip | |
Recognize inherent-impl and trait-impl in Rust demangling.
PiperOrigin-RevId: 635955480
Change-Id: I9322b4e7732e252007f6ca6c9b0cefc25974c9f8
Diffstat (limited to 'absl/debugging/internal/demangle_rust.cc')
| -rw-r--r-- | absl/debugging/internal/demangle_rust.cc | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/absl/debugging/internal/demangle_rust.cc b/absl/debugging/internal/demangle_rust.cc index 20b812a4..83fec2d9 100644 --- a/absl/debugging/internal/demangle_rust.cc +++ b/absl/debugging/internal/demangle_rust.cc @@ -151,8 +151,8 @@ class RustSymbolParser { path: switch (Take()) { case 'C': goto crate_root; - case 'M': return false; // inherent-impl not yet implemented - case 'X': return false; // trait-impl not yet implemented + case 'M': goto inherent_impl; + case 'X': goto trait_impl; case 'Y': goto trait_definition; case 'N': goto nested_path; case 'I': goto generic_args; @@ -165,6 +165,35 @@ class RustSymbolParser { if (!ParseIdentifier()) return false; continue; + // inherent-impl -> M impl-path type (M already consumed) + inherent_impl: + if (!Emit("<")) return false; + ABSL_DEMANGLER_RECURSE(impl_path, kInherentImplType); + ABSL_DEMANGLER_RECURSE(type, kInherentImplEnding); + if (!Emit(">")) return false; + continue; + + // trait-impl -> X impl-path type path (X already consumed) + trait_impl: + if (!Emit("<")) return false; + ABSL_DEMANGLER_RECURSE(impl_path, kTraitImplType); + ABSL_DEMANGLER_RECURSE(type, kTraitImplInfix); + if (!Emit(" as ")) return false; + ABSL_DEMANGLER_RECURSE(path, kTraitImplEnding); + if (!Emit(">")) return false; + continue; + + // impl-path -> disambiguator? path (but never print it!) + impl_path: + ++silence_depth_; + { + int ignored_disambiguator; + if (!ParseDisambiguator(ignored_disambiguator)) return false; + } + ABSL_DEMANGLER_RECURSE(path, kImplPathEnding); + --silence_depth_; + continue; + // trait-definition -> Y type path (Y already consumed) trait_definition: if (!Emit("<")) return false; @@ -407,6 +436,12 @@ class RustSymbolParser { kVendorSpecificSuffix, kIdentifierInUppercaseNamespace, kIdentifierInLowercaseNamespace, + kInherentImplType, + kInherentImplEnding, + kTraitImplType, + kTraitImplInfix, + kTraitImplEnding, + kImplPathEnding, kTraitDefinitionInfix, kTraitDefinitionEnding, kArraySize, |