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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/etc/lldb_lookup.py | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/etc/lldb_lookup.py')
-rw-r--r-- | src/etc/lldb_lookup.py | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/src/etc/lldb_lookup.py b/src/etc/lldb_lookup.py new file mode 100644 index 000000000..3cee51982 --- /dev/null +++ b/src/etc/lldb_lookup.py @@ -0,0 +1,115 @@ +import lldb + +from lldb_providers import * +from rust_types import RustType, classify_struct, classify_union + + +# BACKCOMPAT: rust 1.35 +def is_hashbrown_hashmap(hash_map): + return len(hash_map.type.fields) == 1 + + +def classify_rust_type(type): + type_class = type.GetTypeClass() + if type_class == lldb.eTypeClassStruct: + return classify_struct(type.name, type.fields) + if type_class == lldb.eTypeClassUnion: + return classify_union(type.fields) + + return RustType.OTHER + + +def summary_lookup(valobj, dict): + # type: (SBValue, dict) -> str + """Returns the summary provider for the given value""" + rust_type = classify_rust_type(valobj.GetType()) + + if rust_type == RustType.STD_STRING: + return StdStringSummaryProvider(valobj, dict) + if rust_type == RustType.STD_OS_STRING: + return StdOsStringSummaryProvider(valobj, dict) + if rust_type == RustType.STD_STR: + return StdStrSummaryProvider(valobj, dict) + + if rust_type == RustType.STD_VEC: + return SizeSummaryProvider(valobj, dict) + if rust_type == RustType.STD_VEC_DEQUE: + return SizeSummaryProvider(valobj, dict) + if rust_type == RustType.STD_SLICE: + return SizeSummaryProvider(valobj, dict) + + if rust_type == RustType.STD_HASH_MAP: + return SizeSummaryProvider(valobj, dict) + if rust_type == RustType.STD_HASH_SET: + return SizeSummaryProvider(valobj, dict) + + if rust_type == RustType.STD_RC: + return StdRcSummaryProvider(valobj, dict) + if rust_type == RustType.STD_ARC: + return StdRcSummaryProvider(valobj, dict) + + if rust_type == RustType.STD_REF: + return StdRefSummaryProvider(valobj, dict) + if rust_type == RustType.STD_REF_MUT: + return StdRefSummaryProvider(valobj, dict) + if rust_type == RustType.STD_REF_CELL: + return StdRefSummaryProvider(valobj, dict) + + return "" + + +def synthetic_lookup(valobj, dict): + # type: (SBValue, dict) -> object + """Returns the synthetic provider for the given value""" + rust_type = classify_rust_type(valobj.GetType()) + + if rust_type == RustType.STRUCT: + return StructSyntheticProvider(valobj, dict) + if rust_type == RustType.STRUCT_VARIANT: + return StructSyntheticProvider(valobj, dict, is_variant=True) + if rust_type == RustType.TUPLE: + return TupleSyntheticProvider(valobj, dict) + if rust_type == RustType.TUPLE_VARIANT: + return TupleSyntheticProvider(valobj, dict, is_variant=True) + if rust_type == RustType.EMPTY: + return EmptySyntheticProvider(valobj, dict) + if rust_type == RustType.REGULAR_ENUM: + discriminant = valobj.GetChildAtIndex(0).GetChildAtIndex(0).GetValueAsUnsigned() + return synthetic_lookup(valobj.GetChildAtIndex(discriminant), dict) + if rust_type == RustType.SINGLETON_ENUM: + return synthetic_lookup(valobj.GetChildAtIndex(0), dict) + + if rust_type == RustType.STD_VEC: + return StdVecSyntheticProvider(valobj, dict) + if rust_type == RustType.STD_VEC_DEQUE: + return StdVecDequeSyntheticProvider(valobj, dict) + if rust_type == RustType.STD_SLICE: + return StdSliceSyntheticProvider(valobj, dict) + + if rust_type == RustType.STD_HASH_MAP: + if is_hashbrown_hashmap(valobj): + return StdHashMapSyntheticProvider(valobj, dict) + else: + return StdOldHashMapSyntheticProvider(valobj, dict) + if rust_type == RustType.STD_HASH_SET: + hash_map = valobj.GetChildAtIndex(0) + if is_hashbrown_hashmap(hash_map): + return StdHashMapSyntheticProvider(valobj, dict, show_values=False) + else: + return StdOldHashMapSyntheticProvider(hash_map, dict, show_values=False) + + if rust_type == RustType.STD_RC: + return StdRcSyntheticProvider(valobj, dict) + if rust_type == RustType.STD_ARC: + return StdRcSyntheticProvider(valobj, dict, is_atomic=True) + + if rust_type == RustType.STD_CELL: + return StdCellSyntheticProvider(valobj, dict) + if rust_type == RustType.STD_REF: + return StdRefSyntheticProvider(valobj, dict) + if rust_type == RustType.STD_REF_MUT: + return StdRefSyntheticProvider(valobj, dict) + if rust_type == RustType.STD_REF_CELL: + return StdRefSyntheticProvider(valobj, dict, is_cell=True) + + return DefaultSynthteticProvider(valobj, dict) |