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Fix crash in SBStructuredData::GetDescription() when there's no StructuredDataPlugin. 

Also, use the StructuredData::Dump method to print the StructuredData if there
is no plugin, rather than just returning an error.

Differential Revision: https://reviews.llvm.org/D88266
This commit is contained in:
Jim Ingham 2020-09-30 11:46:59 -07:00
parent ad865d9d10
commit afaeb6af79
2 changed files with 16 additions and 5 deletions
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14
lldb/include/lldb/Core/StructuredDataImpl.h
View File

@ -68,14 +68,18 @@ public:
return error;
}
// Grab the plugin.
auto plugin_sp = lldb::StructuredDataPluginSP(m_plugin_wp);
// Grab the plugin
lldb::StructuredDataPluginSP plugin_sp = m_plugin_wp.lock();
// If there's no plugin, call underlying data's dump method:
if (!plugin_sp) {
error.SetErrorString("Cannot pretty print structured data: "
"plugin doesn't exist.");
if (!m_data_sp) {
error.SetErrorString("No data to describe.");
return error;
}
m_data_sp->Dump(stream, true);
return error;
}
// Get the data's description.
return plugin_sp->GetDescription(m_data_sp, stream);
}

7
lldb/test/API/python_api/sbstructureddata/TestStructuredDataAPI.py
View File

@ -35,6 +35,13 @@ class TestStructuredDataAPI(TestBase):
# Tests for invalid data type
self.invalid_struct_test(example)
# Test that GetDescription works:
s.Clear()
error = example.GetDescription(s)
self.assertTrue(error.Success(), "GetDescription works")
if not "key_float" in s.GetData():
self.fail("FAILED: could not find key_float in description output")
dict_struct = lldb.SBStructuredData()
dict_struct = example.GetValueForKey("key_dict")