forgetest1
/
antlr
forked from jasder/antlr
1
0
Fork 0
Code Issues Pull Requests 1 Releases Wiki Activity

Use Interlocked methods instead of AtomicInteger

This commit is contained in:
Sam Harwell 2013-02-16 10:36:15 -06:00
parent ad90e54b67
commit c598dcd941
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
Antlr4.Runtime/Dfa/DFA.cs
View File

@ -31,6 +31,7 @@ using Antlr4.Runtime.Atn;
using Antlr4.Runtime.Dfa;
using Antlr4.Runtime.Misc;
using Sharpen;
using Interlocked = System.Threading.Interlocked;
namespace Antlr4.Runtime.Dfa
{
@ -63,7 +64,7 @@ namespace Antlr4.Runtime.Dfa
[NotNull]
public readonly ATNState atnStartState;
private readonly AtomicInteger nextStateNumber = new AtomicInteger();
private int nextStateNumber;
/// <summary>
/// Set of configs for a DFA state with at least one conflict? Mainly used as "return value"
@ -96,7 +97,7 @@ namespace Antlr4.Runtime.Dfa
public virtual DFAState AddState(DFAState state)
{
state.stateNumber = nextStateNumber.GetAndIncrement();
state.stateNumber = Interlocked.Increment(ref nextStateNumber);
DFAState existing = states.PutIfAbsent(state, state);
if (existing != null)
{