forked from OSchip/llvm-project
143 lines
3.7 KiB
C++
143 lines
3.7 KiB
C++
//===-- ClangExpressionVariable.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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#include "lldb/Expression/ClangExpressionVariable.h"
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#include "clang/AST/ASTContext.h"
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#include "lldb/Core/ConstString.h"
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#include "lldb/Core/DataExtractor.h"
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#include "lldb/Core/Stream.h"
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#include "lldb/Core/Value.h"
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#include "lldb/Core/ValueObjectConstResult.h"
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#include "lldb/Target/ExecutionContext.h"
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#include "lldb/Target/Process.h"
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using namespace lldb_private;
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using namespace clang;
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ClangExpressionVariable::ClangExpressionVariable(ExecutionContextScope *exe_scope, lldb::ByteOrder byte_order, uint32_t addr_byte_size) :
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m_parser_vars(),
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m_jit_vars (),
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m_flags (EVNone),
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m_frozen_sp (ValueObjectConstResult::Create (exe_scope, byte_order, addr_byte_size))
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{
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}
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ClangExpressionVariable::ClangExpressionVariable (ExecutionContextScope *exe_scope,
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Value &value,
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const ConstString &name,
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uint16_t flags) :
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m_parser_vars(),
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m_jit_vars (),
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m_flags (flags),
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m_frozen_sp (ValueObjectConstResult::Create (exe_scope, value, name))
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{
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}
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ClangExpressionVariable::ClangExpressionVariable (const lldb::ValueObjectSP &valobj_sp) :
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m_parser_vars(),
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m_jit_vars (),
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m_flags (EVNone),
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m_frozen_sp (valobj_sp)
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{
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}
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//----------------------------------------------------------------------
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/// Return the variable's size in bytes
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//----------------------------------------------------------------------
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size_t
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ClangExpressionVariable::GetByteSize ()
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{
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return m_frozen_sp->GetByteSize();
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}
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const ConstString &
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ClangExpressionVariable::GetName ()
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{
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return m_frozen_sp->GetName();
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}
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lldb::ValueObjectSP
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ClangExpressionVariable::GetValueObject()
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{
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return m_frozen_sp;
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}
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RegisterInfo *
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ClangExpressionVariable::GetRegisterInfo()
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{
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return m_frozen_sp->GetValue().GetRegisterInfo();
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}
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void
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ClangExpressionVariable::SetRegisterInfo (const RegisterInfo *reg_info)
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{
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return m_frozen_sp->GetValue().SetContext (Value::eContextTypeRegisterInfo, const_cast<RegisterInfo *>(reg_info));
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}
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ClangASTType
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ClangExpressionVariable::GetClangType()
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{
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return m_frozen_sp->GetClangType();
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}
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void
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ClangExpressionVariable::SetClangType(const ClangASTType &clang_type)
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{
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m_frozen_sp->GetValue().SetClangType(clang_type);
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}
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TypeFromUser
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ClangExpressionVariable::GetTypeFromUser()
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{
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TypeFromUser tfu (m_frozen_sp->GetClangType());
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return tfu;
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}
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uint8_t *
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ClangExpressionVariable::GetValueBytes()
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{
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const size_t byte_size = m_frozen_sp->GetByteSize();
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if (byte_size > 0)
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{
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if (m_frozen_sp->GetDataExtractor().GetByteSize() < byte_size)
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{
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m_frozen_sp->GetValue().ResizeData(byte_size);
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m_frozen_sp->GetValue().GetData (m_frozen_sp->GetDataExtractor());
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}
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return const_cast<uint8_t *>(m_frozen_sp->GetDataExtractor().GetDataStart());
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}
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return NULL;
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}
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void
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ClangExpressionVariable::SetName (const ConstString &name)
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{
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m_frozen_sp->SetName (name);
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}
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void
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ClangExpressionVariable::ValueUpdated ()
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{
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m_frozen_sp->ValueUpdated ();
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}
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void
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ClangExpressionVariable::TransferAddress (bool force)
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{
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if (m_live_sp.get() == NULL)
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return;
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if (m_frozen_sp.get() == NULL)
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return;
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if (force || (m_frozen_sp->GetLiveAddress() == LLDB_INVALID_ADDRESS))
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m_frozen_sp->SetLiveAddress(m_live_sp->GetLiveAddress());
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}
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