diff options
Diffstat (limited to 'absl/debugging/internal/demangle_rust.cc')
| -rw-r--r-- | absl/debugging/internal/demangle_rust.cc | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/absl/debugging/internal/demangle_rust.cc b/absl/debugging/internal/demangle_rust.cc index 8fbde02a..fd205924 100644 --- a/absl/debugging/internal/demangle_rust.cc +++ b/absl/debugging/internal/demangle_rust.cc @@ -154,7 +154,7 @@ class RustSymbolParser { case 'X': return false; // trait-impl not yet implemented case 'Y': goto trait_definition; case 'N': goto nested_path; - case 'I': return false; // generic-args not yet implemented + case 'I': goto generic_args; case 'B': goto path_backref; default: return false; } @@ -290,6 +290,26 @@ class RustSymbolParser { --silence_depth_; continue; + // generic-args -> I path generic-arg* E (I already consumed) + // + // We follow the C++ demangler in omitting all the arguments from the + // output, printing only the list opening and closing tokens. + generic_args: + ABSL_DEMANGLER_RECURSE(path, kBeginGenericArgList); + if (!Emit("::<>")) return false; + ++silence_depth_; + while (!Eat('E')) { + ABSL_DEMANGLER_RECURSE(generic_arg, kContinueGenericArgList); + } + --silence_depth_; + continue; + + // generic-arg -> lifetime | type | K const + generic_arg: + if (Eat('L')) return false; // lifetime not yet implemented + if (Eat('K')) return false; // const not yet implemented + goto type; + // backref -> B base-62-number (B already consumed) // // The BeginBackref call parses and range-checks the base-62-number. We @@ -335,6 +355,8 @@ class RustSymbolParser { kAfterSecondTupleElement, kAfterThirdTupleElement, kAfterSubsequentTupleElement, + kBeginGenericArgList, + kContinueGenericArgList, kPathBackrefEnding, kTypeBackrefEnding, }; |