danilashtefan updated this revision to Diff 388745.
danilashtefan added a comment.
Size determined
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D114008/new/
https://reviews.llvm.org/D114008
Files:
lldb/examples/synthetic/gnu_libstdcpp.py
lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp
Index: lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp
===================================================================
--- lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp
+++ lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp
@@ -918,6 +918,11 @@
SyntheticChildrenSP(new ScriptedSyntheticChildren(
stl_deref_flags,
"lldb.formatters.cpp.gnu_libstdcpp.StdMapLikeSynthProvider")));
+ cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add(
+ RegularExpression("^std::deque<.+>(( )?&)?$"),
+ SyntheticChildrenSP(new ScriptedSyntheticChildren(
+ stl_deref_flags,
+ "lldb.formatters.cpp.gnu_libstdcpp.StdDequeSynthProvider")));
cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add(
RegularExpression("^std::(__cxx11::)?list<.+>(( )?&)?$"),
SyntheticChildrenSP(new ScriptedSyntheticChildren(
@@ -946,6 +951,10 @@
RegularExpression("^std::set<.+> >(( )?&)?$"),
TypeSummaryImplSP(
new StringSummaryFormat(stl_summary_flags, "size=${svar%#}")));
+ cpp_category_sp->GetRegexTypeSummariesContainer()->Add(
+ RegularExpression("^std::deque<.+>(( )?&)?$"),
+ TypeSummaryImplSP(
+ new StringSummaryFormat(stl_summary_flags, "size=${svar%#}")));
cpp_category_sp->GetRegexTypeSummariesContainer()->Add(
RegularExpression("^std::multimap<.+> >(( )?&)?$"),
TypeSummaryImplSP(
Index: lldb/examples/synthetic/gnu_libstdcpp.py
===================================================================
--- lldb/examples/synthetic/gnu_libstdcpp.py
+++ lldb/examples/synthetic/gnu_libstdcpp.py
@@ -8,6 +8,108 @@
# You are encouraged to look at the STL implementation for your platform
# before relying on these formatters to do the right thing for your setup
+class StdDequeSynthProvider:
+ def __init__(self, valobj, dict):
+ self.valobj = valobj
+ self.count = None
+
+ def update(self):
+ # preemptively setting this to None - we might end up changing our mind
+ # later
+ self.count = None
+ try:
+ self.impl = self.valobj.GetChildMemberWithName('_M_impl')
+ self.start = self.impl.GetChildMemberWithName("_M_start")
+ self.start_cur = self.start.GetChildMemberWithName('_M_cur')
+ self.start_cur_val = self.start_cur.GetValueAsUnsigned(0)
+ self.start_first = self.start.GetChildMemberWithName('_M_first')
+ self.start_last = self.start.GetChildMemberWithName('_M_last')
+ self.start_node = self.start.GetChildMemberWithName("_M_node")
+ self.start_node_val = self.start_node.GetValueAsUnsigned(0)
+ self.finish = self.impl.GetChildMemberWithName("_M_finish")
+ self.finish_cur = self.finish.GetChildMemberWithName('_M_cur')
+ self.finish_last = self.finish.GetChildMemberWithName('_M_last')
+ self.finish_first = self.finish.GetChildMemberWithName('_M_first')
+ self.finish_node = self.finish.GetChildMemberWithName('_M_node')
+ self.data_type = self.valobj.GetType().GetUnqualifiedType().GetTemplateArgumentType(0)
+ self.data_size = self.data_type.GetByteSize()
+ except:
+ pass
+ return False
+
+ def get_child_index(self, name):
+ try:
+ return int(name.lstrip('[').rstrip(']'))
+ except:
+ return -1
+
+ # def set_node(self):
+ # try:
+ # self.start_node = self.start.GetChildMemberWithName("_M_node")
+ # print("Self_node: " + str(self.start_node))
+ # self.start_node_data = self.start_node.GetData()
+ # print("Self_node_data: " + str(self.start_node_data))
+ # self.start_node_data = self.start_node_data + 8
+ # print("Next self_node_data: " + str(self.start_node_data))
+ # except:
+ # print("Cannot set node")
+ # return None
+
+
+
+ def get_child_at_index(self, index):
+ logger = lldb.formatters.Logger.Logger()
+ logger >> "Being asked to fetch child[" + str(index) + "]"
+ if index < 0:
+ return None
+ if index >= self.num_children():
+ return None
+ try:
+ offset = index * self.data_size
+ # # while offset > 0:
+ # while self.start_cur_val != self.start_last.GetValueAsUnsigned(0):
+ # self.start_cur_val = self.start_cur_val + self.data_size
+ # print("Reached end")
+ return self.start_cur.CreateChildAtOffset( '[' + str(index) + ']', offset, self.data_type)
+ # self.set_node()
+ return 0
+
+ except:
+ print("Cannot get chid")
+ logger >> "Cannot get child"
+ return None
+
+
+ def num_children(self):
+ if self.count is None:
+ self.count = self.num_children_impl()
+ return self.count
+
+ def num_children_impl(self):
+ logger = lldb.formatters.Logger.Logger()
+ start_node = self.start.GetChildMemberWithName('_M_node')
+ start_node_val = start_node.GetValueAsUnsigned(0)
+ start_last_val = self.start_last.GetValueAsUnsigned(0)
+ start_cur_val = self.start_cur.GetValueAsUnsigned(0)
+ finish_node = self.finish.GetChildMemberWithName('_M_node')
+ finish_node_val = finish_node.GetValueAsUnsigned(0)
+ finish_cur_val = self.finish_cur.GetValueAsUnsigned(0)
+ finish_first_val = self.finish_first.GetValueAsUnsigned(0)
+
+
+ node_size = start_node.GetType().GetByteSize()
+ print("Node size: " + str(node_size))
+
+ try:
+ size = (512 / self.data_size) * ((finish_node_val - start_node_val)//int(node_size) - int(finish_node_val != 0)) \
+ + (finish_cur_val - finish_first_val)//self.data_size \
+ + (start_last_val - start_cur_val)//self.data_size
+ return size
+ except:
+ logger >> "Could not determine the size"
+ return 0
+
+
class AbstractListSynthProvider:
def __init__(self, valobj, dict, has_prev):
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