[Lldb-commits] [lldb] [lldb][DWARF] Delay struct/class/union definition DIE searching when parsing declaration DIEs. (PR #90663)

[Zequan Wu via lldb-commits]

================
@@ -0,0 +1,40 @@
+# Test definition DIE searching is delayed until complete type is required.
+
+# RUN: split-file %s %t
+# RUN: %clangxx_host %t/main.cpp %t/t1_def.cpp -g -gsimple-template-names -o 
%t.out
+# RUN: %lldb -b %t.out -s %t/lldb.cmd | FileCheck %s
+
+# CHECK:      (lldb) p v1
+# CHECK: DWARFASTParserClang::ParseTypeFromDWARF{{.*}}DW_TAG_structure_type 
(DW_TAG_structure_type) name = 't2'
+# CHECK: DWARFASTParserClang::ParseTypeFromDWARF{{.*}}DW_TAG_structure_type 
(DW_TAG_structure_type) name = 't1'
+# CHECK: DWARFASTParserClang::ParseTypeFromDWARF{{.*}}DW_TAG_base_type 
(DW_TAG_base_type) name = 'int'
+# CHECK: DW_TAG_structure_type (DW_TAG_structure_type) 't2' resolving forward 
declaration...
+# CHECK: (t2<t1<int> >)  {}
+# CHECK: (lldb) p v2
+# CHECK: DWARFASTParserClang::ParseTypeFromDWARF{{.*}}DW_TAG_structure_type 
(DW_TAG_structure_type) name = 't1'
+# CHECK: DWARFASTParserClang::ParseTypeFromDWARF{{.*}}DW_TAG_base_type 
(DW_TAG_base_type) name = 'int'
+# CHECK: DW_TAG_structure_type (DW_TAG_structure_type) 't1' resolving forward 
declaration...
+# CHECK: (t1<int>)  {}
+
+#--- lldb.cmd
----------------
ZequanWu wrote:

Yeah, that would work. I have an example at 
https://discourse.llvm.org/t/rfc-delay-definition-die-searching-when-parse-a-declaration-die-for-record-type/78526/15.

https://github.com/llvm/llvm-project/pull/90663
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