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Co-authored-by: Eisuke Kawashima <e-kwsm@users.noreply.github.com>
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The `llvm-gcc` front-end has been EOL'd at least since 2011 (based on
some `git` archeology). And Clang/LLVM has been removing references to
it ever since.
This patch removes the remaining references to it from LLDB. One benefit
of this is that it will allow us to remove the code checking for
`DW_AT_decl_file_attributes_are_invalid` and
`Supports_DW_AT_APPLE_objc_complete_type`.
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This patch extends TypeQuery matching to support anonymous namespaces. A
new flag is added to control the behavior. In the "strict" mode, the
query must match the type exactly -- all anonymous namespaces included.
The dynamic type resolver in the itanium abi (the motivating use case
for this) uses this flag, as it queries using the name from the
demangles, which includes anonymous namespaces.
This ensures we don't confuse a type with a same-named type in an
anonymous namespace. However, this does *not* ensure we don't confuse
two types in anonymous namespacs (in different CUs). To resolve this, we
would need to use a completely different lookup algorithm, which
probably also requires a DWARF extension.
In the "lax" mode (the default), the anonymous namespaces in the query
are optional, and this allows one search for the type using the usual
language rules (`::A` matches `::(anonymous namespace)::A`).
This patch also changes the type context computation algorithm in
DWARFDIE, so that it includes anonymous namespace information. This
causes a slight change in behavior: the algorithm previously stopped
computing the context after encountering an anonymous namespace, which
caused the outer namespaces to be ignored. This meant that a type like
`NS::(anonymous namespace)::A` would be (incorrectly) recognized as
`::A`). This can cause code depending on the old behavior to misbehave.
The fix is to specify all the enclosing namespaces in the query, or use
a non-exact match.
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namespaces (#97275)
This patch allows expressions to reference entities in anonymous
namespaces. Previously this would have resulted in:
```
(lldb) expr foo::FooAnonymousVar
error: <user expression 0>:1:6: no member named 'FooAnonymousVar' in namespace 'foo'
1 | foo::FooAnonymousVar
| ~~~~~^
```
We already allow such lookups through inline namespaces, and for the
purposes of lookup, anonymous namespaces shouldn't behave any different.
Fixes https://github.com/llvm/llvm-project/issues/96963.
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This uses [teyit](https://pypi.org/project/teyit/) to modernize asserts,
as recommended by the [unittest release
notes](https://docs.python.org/3.12/whatsnew/3.12.html#id3).
For example, `assertTrue(a == b)` is replaced with `assertEqual(a, b)`.
This produces better error messages, e.g. `error: unexpectedly found 1
and 2 to be different` instead of `error: False`.
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This reverts commit 6ea1a0d4fc3823de143a288df2059b48dc01cf72.
It again marks XFAIL LLDB tests failing after
c384fcd3ea1dad782eaaea89b32fc33c0c3528b8
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Following tests are now passing on LLDB AArch64 Windows buildbot:
lldb-api :: commands/expression/deleting-implicit-copy-constructor/TestDeletingImplicitCopyConstructor.py
lldb-api :: functionalities/data-formatter/data-formatter-categories/TestDataFormatterCategories.py
lldb-api :: lang/cpp/constructors/TestCppConstructors.py
lldb-api :: lang/cpp/namespace/TestNamespace.py
lldb-api :: lang/cpp/this_class_type_mixing/TestThisClassTypeMixing.py
https://lab.llvm.org/buildbot/#/builders/219/builds/3012
This patch removes XFAIL decorator from all of the above.
Differential Revision: https://reviews.llvm.org/D151268
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This is an ongoing series of commits that are reformatting our Python
code. Reformatting is done with `black` (23.1.0).
If you end up having problems merging this commit because you have made
changes to a python file, the best way to handle that is to run `git
checkout --ours <yourfile>` and then reformat it with black.
RFC: https://discourse.llvm.org/t/rfc-document-and-standardize-python-code-style
Differential revision: https://reviews.llvm.org/D151460
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This patch add or removes XFAIL decorator from various tests which were marked
xfail for windows.
since 44363f2 various tests have started passing but introduced a couple of new failures.
Weight is in favor of new XPasses and I have removed XFail decorator from them. Also
some new tests have started failing for which we need to file separate bugs. I have
marked them xfail for now and will add the bug id after investigating the issue.
Differential Revision: https://reviews.llvm.org/D149235
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**Summary**
In a program such as:
```
namespace A {
namespace B {
struct Bar {};
}
}
namespace B {
struct Foo {};
}
```
...LLDB would run into issues such as:
```
(lldb) expr ::B::Foo f
error: expression failed to parse:
error: <user expression 0>:1:6: no type named 'Foo' in namespace 'A::B'
::B::Foo f
~~~~~^
```
This is because the `SymbolFileDWARF::FindNamespace` implementation
will return *any* namespace it finds if the `parent_decl_ctx` provided
is empty. In `FindExternalVisibleDecls` we use this API to find the
namespace that symbol `B` refers to. If `A::B` happened to be the one
that `SymbolFileDWARF::FindNamespace` looked at first, we would try
to find `struct Foo` in `A::B`. Hence the error.
This patch proposes a new `SymbolFileDWARF::FindNamespace` API that
will only find a match for top-level namespaces, which is what
`FindExternalVisibleDecls` is attempting anyway; it just never
accounted for multiple namespaces of the same name.
**Testing**
* Added API test-case
Differential Revision: https://reviews.llvm.org/D147436
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In API tests, replace use of the `p` alias with the `expression` command.
To avoid conflating tests of the alias with tests of the expression command,
this patch canonicalizes to the use `expression`.
Differential Revision: https://reviews.llvm.org/D141539
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Eliminate boilerplate of having each test manually assign to `mydir` by calling
`compute_mydir` in lldbtest.py.
Differential Revision: https://reviews.llvm.org/D128077
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Summary: Moves lldbsuite tests to lldb/test/API.
This is a largely mechanical change, moved with the following steps:
```
rm lldb/test/API/testcases
mkdir -p lldb/test/API/{test_runner/test,tools/lldb-{server,vscode}}
mv lldb/packages/Python/lldbsuite/test/test_runner/test lldb/test/API/test_runner
for d in $(find lldb/packages/Python/lldbsuite/test/* -maxdepth 0 -type d | egrep -v "make|plugins|test_runner|tools"); do mv $d lldb/test/API; done
for d in $(find lldb/packages/Python/lldbsuite/test/tools/lldb-vscode -maxdepth 1 -mindepth 1 | grep -v ".py"); do mv $d lldb/test/API/tools/lldb-vscode; done
for d in $(find lldb/packages/Python/lldbsuite/test/tools/lldb-server -maxdepth 1 -mindepth 1 | egrep -v "gdbremote_testcase.py|lldbgdbserverutils.py|socket_packet_pump.py"); do mv $d lldb/test/API/tools/lldb-server; done
```
lldb/packages/Python/lldbsuite/__init__.py and lldb/test/API/lit.cfg.py were also updated with the new directory structure.
Reviewers: labath, JDevlieghere
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D71151
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