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Store the transactions in a std::deque. More effecient because it doens't do copy (like std::vector) when the capacity is exceeded.

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This commit is contained in:
Vassil Vassilev 2013-05-27 15:24:57 +02:00 committed by sftnight
parent ab8cf4de8e
commit 65df970480
1 changed files with 19 additions and 11 deletions
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30
lib/Interpreter/IncrementalParser.h
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@ -14,6 +14,7 @@
#include "llvm/ADT/StringRef.h"
#include <vector>
#include <deque>
namespace llvm {
struct GenericValue;
@ -64,13 +65,14 @@ namespace cling {
// CI owns it
DeclCollector* m_Consumer;
///\brief The head of the single list of transactions.
///\brief The storage for our transactions.
///
const Transaction* m_FirstTransaction;
///\brief The last transaction
/// We don't need the elements to be contiguous in memory, that is why we
/// don't use std::vector. We don't need to copy the elements every time the
/// capacity is exceeded.
/// FIXME: Maybe we need better allocator, a bump allocator would be good.
///
Transaction* m_LastTransaction;
std::deque<Transaction*> m_Transactions;
///\brief Code generator
///
@ -128,20 +130,26 @@ namespace cling {
///\brief Returns the first transaction the incremental parser saw.
///
const Transaction* getFirstTransaction() const {
return m_FirstTransaction;
const Transaction* getFirstTransaction() const {
if (!m_Transactions.size())
return 0;
return m_Transactions.front();
}
///\brief Returns the last transaction the incremental parser saw.
///
Transaction* getLastTransaction() {
return m_LastTransaction;
Transaction* getLastTransaction() {
if (!m_Transactions.size())
return 0;
return m_Transactions.back();
}
///\brief Returns the last transaction the incremental parser saw.
///
const Transaction* getLastTransaction() const {
return m_LastTransaction;
const Transaction* getLastTransaction() const {
if (!m_Transactions.size())
return 0;
return m_Transactions.back();
}
///\brief Returns the list of transactions seen by the interpreter.