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Returning `None` from a Python type summary results in a summary string of
"None". To indicate no summary string, the implementation should return the
empty string.
This change fixes a bug where the summary provider for `llvm::Optional` would
incorrectly show `None`. This would happen when the underlying type itself had
no summary provider. Now, when the underlying type has a summary string, that
string is used, but when there is no summary, then the `Optional` will also
have no summary (`return ''`).
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D122041
Files:
llvm/utils/lldbDataFormatters.py
Index: llvm/utils/lldbDataFormatters.py
===================================================================
--- llvm/utils/lldbDataFormatters.py
+++ llvm/utils/lldbDataFormatters.py
@@ -137,7 +137,11 @@
def OptionalSummaryProvider(valobj, internal_dict):
val = GetOptionalValue(valobj)
- return val.summary if val else 'None'
+ if val is None:
+ return 'None'
+ if val.summary:
+ return val.summary
+ return ''
class OptionalSynthProvider:
"""Provides deref support to llvm::Optional<T>"""
Index: llvm/utils/lldbDataFormatters.py
===================================================================
--- llvm/utils/lldbDataFormatters.py
+++ llvm/utils/lldbDataFormatters.py
@@ -137,7 +137,11 @@
def OptionalSummaryProvider(valobj, internal_dict):
val = GetOptionalValue(valobj)
- return val.summary if val else 'None'
+ if val is None:
+ return 'None'
+ if val.summary:
+ return val.summary
+ return ''
class OptionalSynthProvider:
"""Provides deref support to llvm::Optional<T>"""
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