[all-commits] [llvm/llvm-project] 068e17: [lldb][swig] Support SBFileSpec::GetPath (#162964)

[Wanyi via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 068e1796bac5229210f57862862e8995d4b6f009
      https://github.com/llvm/llvm-project/commit/068e1796bac5229210f57862862e8995d4b6f009
  Author: Wanyi <wanyi at meta.com>
  Date:   2025-10-13 (Mon, 13 Oct 2025)

  Changed paths:
    M lldb/bindings/python/python-typemaps.swig
    M lldb/test/API/python_api/default-constructor/sb_filespec.py

  Log Message:
  -----------
  [lldb][swig] Support SBFileSpec::GetPath (#162964)

# Summary
`SBFileSpec::GetPath(char *dst_path, size_t dst_len)` contains `char*`
type argument. Need to handle this for python. Fortunately there're
already similar definitions we can reuse.

# Test Plan
Start the freshly built lldb and run the following code
```
$ lldb
(lldb) script
Python Interactive Interpreter. To exit, type 'quit()', 'exit()' or Ctrl-D.
>>> debugger = lldb.SBDebugger.Create()
>>> debugger.SetAsync (False)
>>> target = debugger.CreateTarget("~/tmp/hello")
>>> target.IsValid()
True
>>> breakpoint = target.BreakpointCreateByName('main', 'hello')
>>> breakpoint.GetNumLocations()
1
>>> process = target.LaunchSimple (None, None, os.getcwd())
>>> process.IsValid()
True
>>> thread = process.GetThreadAtIndex(0)
>>> frame = thread.GetFrameAtIndex(0)
>>> line = frame.GetLineEntry()

# Important line below
>>> file = line.GetFileSpec().GetPath(1024)
# Important line above

>>> print(file)
/home/wanyi/tmp/main.cpp
```

## Before this change
```
$ lldb
(lldb) script
Python Interactive Interpreter. To exit, type 'quit()', 'exit()' or Ctrl-D.
>>> debugger = lldb.SBDebugger.Create()
>>> debugger.SetAsync (False)
>>> target = debugger.CreateTarget("~/tmp/hello")
>>> target.IsValid()
True
>>> breakpoint = target.BreakpointCreateByName('main', 'hello')
>>> breakpoint.GetNumLocations()
1
>>> process = target.LaunchSimple (None, None, os.getcwd())
>>> process.IsValid()
True
>>> thread = process.GetThreadAtIndex(0)
>>> frame = thread.GetFrameAtIndex(0)
>>> line = frame.GetLineEntry()
>>> file = line.GetFileSpec().GetPath(1024)
Traceback (most recent call last):
  File "<console>", line 1, in <module>
TypeError: SBFileSpec.GetPath() missing 1 required positional argument: 'dst_len'
>>> print(file)
Traceback (most recent call last):
  File "<console>", line 1, in <module>
NameError: name 'file' is not defined
```



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