forked from OSchip/llvm-project
298 lines
11 KiB
C++
298 lines
11 KiB
C++
//===-- FormattersHelpers.cpp -------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// C Includes
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// C++ Includes
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// Other libraries and framework includes
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// Project includes
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#include "lldb/DataFormatters/FormattersHelpers.h"
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#include "lldb/Core/ConstString.h"
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#include "lldb/Core/RegularExpression.h"
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#include "lldb/Target/StackFrame.h"
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#include "lldb/Target/Thread.h"
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using namespace lldb;
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using namespace lldb_private;
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using namespace lldb_private::formatters;
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void
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lldb_private::formatters::AddFormat (TypeCategoryImpl::SharedPointer category_sp,
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lldb::Format format,
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ConstString type_name,
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TypeFormatImpl::Flags flags,
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bool regex)
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{
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lldb::TypeFormatImplSP format_sp(new TypeFormatImpl_Format(format, flags));
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if (regex)
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category_sp->GetRegexTypeFormatsContainer()->Add(RegularExpressionSP(new RegularExpression(type_name.AsCString())),format_sp);
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else
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category_sp->GetTypeFormatsContainer()->Add(type_name, format_sp);
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}
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void
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lldb_private::formatters::AddStringSummary(TypeCategoryImpl::SharedPointer category_sp,
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const char* string,
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ConstString type_name,
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TypeSummaryImpl::Flags flags,
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bool regex)
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{
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lldb::TypeSummaryImplSP summary_sp(new StringSummaryFormat(flags,
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string));
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if (regex)
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category_sp->GetRegexTypeSummariesContainer()->Add(RegularExpressionSP(new RegularExpression(type_name.AsCString())),summary_sp);
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else
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category_sp->GetTypeSummariesContainer()->Add(type_name, summary_sp);
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}
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void
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lldb_private::formatters::AddOneLineSummary (TypeCategoryImpl::SharedPointer category_sp,
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ConstString type_name,
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TypeSummaryImpl::Flags flags,
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bool regex)
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{
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flags.SetShowMembersOneLiner(true);
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lldb::TypeSummaryImplSP summary_sp(new StringSummaryFormat(flags, ""));
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if (regex)
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category_sp->GetRegexTypeSummariesContainer()->Add(RegularExpressionSP(new RegularExpression(type_name.AsCString())),summary_sp);
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else
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category_sp->GetTypeSummariesContainer()->Add(type_name, summary_sp);
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}
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#ifndef LLDB_DISABLE_PYTHON
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void
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lldb_private::formatters::AddCXXSummary (TypeCategoryImpl::SharedPointer category_sp,
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CXXFunctionSummaryFormat::Callback funct,
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const char* description,
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ConstString type_name,
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TypeSummaryImpl::Flags flags,
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bool regex)
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{
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lldb::TypeSummaryImplSP summary_sp(new CXXFunctionSummaryFormat(flags,funct,description));
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if (regex)
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category_sp->GetRegexTypeSummariesContainer()->Add(RegularExpressionSP(new RegularExpression(type_name.AsCString())),summary_sp);
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else
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category_sp->GetTypeSummariesContainer()->Add(type_name, summary_sp);
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}
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void
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lldb_private::formatters::AddCXXSynthetic (TypeCategoryImpl::SharedPointer category_sp,
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CXXSyntheticChildren::CreateFrontEndCallback generator,
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const char* description,
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ConstString type_name,
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ScriptedSyntheticChildren::Flags flags,
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bool regex)
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{
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lldb::SyntheticChildrenSP synth_sp(new CXXSyntheticChildren(flags,description,generator));
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if (regex)
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category_sp->GetRegexTypeSyntheticsContainer()->Add(RegularExpressionSP(new RegularExpression(type_name.AsCString())), synth_sp);
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else
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category_sp->GetTypeSyntheticsContainer()->Add(type_name,synth_sp);
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}
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void
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lldb_private::formatters::AddFilter (TypeCategoryImpl::SharedPointer category_sp,
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std::vector<std::string> children,
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const char* description,
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ConstString type_name,
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ScriptedSyntheticChildren::Flags flags,
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bool regex)
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{
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TypeFilterImplSP filter_sp(new TypeFilterImpl(flags));
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for (auto child : children)
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filter_sp->AddExpressionPath(child);
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if (regex)
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category_sp->GetRegexTypeFiltersContainer()->Add(RegularExpressionSP(new RegularExpression(type_name.AsCString())), filter_sp);
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else
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category_sp->GetTypeFiltersContainer()->Add(type_name,filter_sp);
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}
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#endif
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StackFrame*
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lldb_private::formatters::GetViableFrame (ExecutionContext exe_ctx)
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{
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StackFrame* frame = exe_ctx.GetFramePtr();
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if (frame)
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return frame;
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Process* process = exe_ctx.GetProcessPtr();
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if (!process)
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return nullptr;
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ThreadSP thread_sp(process->GetThreadList().GetSelectedThread());
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if (thread_sp)
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return thread_sp->GetSelectedFrame().get();
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return nullptr;
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}
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bool
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lldb_private::formatters::ExtractValueFromObjCExpression (ValueObject &valobj,
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const char* target_type,
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const char* selector,
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uint64_t &value)
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{
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if (!target_type || !*target_type)
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return false;
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if (!selector || !*selector)
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return false;
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StreamString expr;
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expr.Printf("(%s)[(id)0x%" PRIx64 " %s]",target_type,valobj.GetPointerValue(),selector);
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ExecutionContext exe_ctx (valobj.GetExecutionContextRef());
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lldb::ValueObjectSP result_sp;
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Target* target = exe_ctx.GetTargetPtr();
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StackFrame* stack_frame = GetViableFrame(exe_ctx);
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if (!target || !stack_frame)
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return false;
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EvaluateExpressionOptions options;
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options.SetCoerceToId(false);
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options.SetUnwindOnError(true);
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options.SetKeepInMemory(true);
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target->EvaluateExpression(expr.GetData(),
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stack_frame,
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result_sp,
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options);
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if (!result_sp)
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return false;
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value = result_sp->GetValueAsUnsigned(0);
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return true;
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}
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bool
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lldb_private::formatters::ExtractSummaryFromObjCExpression (ValueObject &valobj,
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const char* target_type,
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const char* selector,
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Stream &stream)
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{
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if (!target_type || !*target_type)
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return false;
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if (!selector || !*selector)
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return false;
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StreamString expr;
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expr.Printf("(%s)[(id)0x%" PRIx64 " %s]",target_type,valobj.GetPointerValue(),selector);
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ExecutionContext exe_ctx (valobj.GetExecutionContextRef());
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lldb::ValueObjectSP result_sp;
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Target* target = exe_ctx.GetTargetPtr();
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StackFrame* stack_frame = GetViableFrame(exe_ctx);
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if (!target || !stack_frame)
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return false;
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EvaluateExpressionOptions options;
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options.SetCoerceToId(false);
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options.SetUnwindOnError(true);
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options.SetKeepInMemory(true);
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options.SetUseDynamic(lldb::eDynamicCanRunTarget);
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target->EvaluateExpression(expr.GetData(),
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stack_frame,
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result_sp,
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options);
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if (!result_sp)
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return false;
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stream.Printf("%s",result_sp->GetSummaryAsCString());
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return true;
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}
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lldb::ValueObjectSP
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lldb_private::formatters::CallSelectorOnObject (ValueObject &valobj,
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const char* return_type,
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const char* selector,
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uint64_t index)
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{
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lldb::ValueObjectSP valobj_sp;
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if (!return_type || !*return_type)
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return valobj_sp;
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if (!selector || !*selector)
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return valobj_sp;
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StreamString expr_path_stream;
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valobj.GetExpressionPath(expr_path_stream, false);
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StreamString expr;
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expr.Printf("(%s)[%s %s:%" PRId64 "]",return_type,expr_path_stream.GetData(),selector,index);
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ExecutionContext exe_ctx (valobj.GetExecutionContextRef());
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lldb::ValueObjectSP result_sp;
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Target* target = exe_ctx.GetTargetPtr();
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StackFrame* stack_frame = GetViableFrame(exe_ctx);
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if (!target || !stack_frame)
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return valobj_sp;
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EvaluateExpressionOptions options;
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options.SetCoerceToId(false);
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options.SetUnwindOnError(true);
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options.SetKeepInMemory(true);
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options.SetUseDynamic(lldb::eDynamicCanRunTarget);
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target->EvaluateExpression(expr.GetData(),
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stack_frame,
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valobj_sp,
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options);
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return valobj_sp;
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}
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lldb::ValueObjectSP
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lldb_private::formatters::CallSelectorOnObject (ValueObject &valobj,
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const char* return_type,
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const char* selector,
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const char* key)
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{
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lldb::ValueObjectSP valobj_sp;
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if (!return_type || !*return_type)
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return valobj_sp;
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if (!selector || !*selector)
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return valobj_sp;
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if (!key || !*key)
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return valobj_sp;
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StreamString expr_path_stream;
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valobj.GetExpressionPath(expr_path_stream, false);
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StreamString expr;
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expr.Printf("(%s)[%s %s:%s]",return_type,expr_path_stream.GetData(),selector,key);
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ExecutionContext exe_ctx (valobj.GetExecutionContextRef());
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lldb::ValueObjectSP result_sp;
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Target* target = exe_ctx.GetTargetPtr();
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StackFrame* stack_frame = GetViableFrame(exe_ctx);
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if (!target || !stack_frame)
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return valobj_sp;
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EvaluateExpressionOptions options;
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options.SetCoerceToId(false);
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options.SetUnwindOnError(true);
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options.SetKeepInMemory(true);
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options.SetUseDynamic(lldb::eDynamicCanRunTarget);
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target->EvaluateExpression(expr.GetData(),
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stack_frame,
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valobj_sp,
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options);
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return valobj_sp;
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}
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size_t
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lldb_private::formatters::ExtractIndexFromString (const char* item_name)
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{
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if (!item_name || !*item_name)
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return UINT32_MAX;
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if (*item_name != '[')
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return UINT32_MAX;
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item_name++;
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char* endptr = NULL;
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unsigned long int idx = ::strtoul(item_name, &endptr, 0);
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if (idx == 0 && endptr == item_name)
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return UINT32_MAX;
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if (idx == ULONG_MAX)
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return UINT32_MAX;
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return idx;
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}
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