1 //===-- InputReaderStack.cpp ------------------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "lldb/Core/InputReaderStack.h" 11 12 // C Includes 13 // C++ Includes 14 // Other libraries and framework includes 15 // Project includes 16 17 18 using namespace lldb; 19 using namespace lldb_private; 20 21 InputReaderStack::InputReaderStack () : 22 m_input_readers (), 23 m_input_readers_mutex (Mutex::eMutexTypeRecursive) 24 { 25 } 26 27 InputReaderStack::~InputReaderStack () 28 { 29 } 30 31 size_t 32 InputReaderStack::GetSize () const 33 { 34 Mutex::Locker locker (m_input_readers_mutex); 35 return m_input_readers.size(); 36 } 37 38 void 39 InputReaderStack::Push (const lldb::InputReaderSP& reader_sp) 40 { 41 if (reader_sp) 42 { 43 Mutex::Locker locker (m_input_readers_mutex); 44 m_input_readers.push (reader_sp); 45 } 46 } 47 48 bool 49 InputReaderStack::IsEmpty () const 50 { 51 Mutex::Locker locker (m_input_readers_mutex); 52 return m_input_readers.empty(); 53 } 54 55 InputReaderSP 56 InputReaderStack::Top () 57 { 58 InputReaderSP input_reader_sp; 59 { 60 Mutex::Locker locker (m_input_readers_mutex); 61 if (!m_input_readers.empty()) 62 input_reader_sp = m_input_readers.top(); 63 } 64 65 return input_reader_sp; 66 } 67 68 void 69 InputReaderStack::Pop () 70 { 71 Mutex::Locker locker (m_input_readers_mutex); 72 if (!m_input_readers.empty()) 73 m_input_readers.pop(); 74 } 75 76 Mutex & 77 InputReaderStack::GetStackMutex () 78 { 79 return m_input_readers_mutex; 80 } 81
