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Map putIfAbsent to GetOrAdd

This commit is contained in:
Sam Harwell 2014-07-04 20:38:40 -05:00
parent 9a23a7f3c5
commit 8a062443af
3 changed files with 5 additions and 3 deletions
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2
reference/sharpen-all-options.txt
View File

@ -23,6 +23,8 @@
-methodMapping java.util.AbstractList.addAll AddRange
-methodMapping java.util.ArrayList.addAll AddRange
-methodMapping java.util.concurrent.ConcurrentMap.putIfAbsent GetOrAdd
-fullyQualify File
-namespaceMapping java.lang.ref Antlr4.Runtime.Sharpen
-namespaceMapping java.lang Antlr4.Runtime.Sharpen

4
runtime/CSharp/Antlr4.Runtime/Atn/PredictionContext.cs
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@ -353,7 +353,7 @@ namespace Antlr4.Runtime.Atn
}
if (!changed)
{
existing = contextCache.PutIfAbsent(context, context);
existing = contextCache.GetOrAdd(context, context);
visited.Put(context, existing != null ? existing : context);
return context;
}
@ -368,7 +368,7 @@ namespace Antlr4.Runtime.Atn
ArrayPredictionContext arrayPredictionContext = (ArrayPredictionContext)context;
updated = new ArrayPredictionContext(parents, arrayPredictionContext.returnStates, context.cachedHashCode);
}
existing = contextCache.PutIfAbsent(updated, updated);
existing = contextCache.GetOrAdd(updated, updated);
visited.Put(updated, existing != null ? existing : updated);
visited.Put(context, existing != null ? existing : updated);
return updated;

2
runtime/CSharp/Antlr4.Runtime/Dfa/DFA.cs
View File

@ -267,7 +267,7 @@ namespace Antlr4.Runtime.Dfa
public virtual DFAState AddState(DFAState state)
{
state.stateNumber = nextStateNumber.GetAndIncrement();
DFAState existing = states.PutIfAbsent(state, state);
DFAState existing = states.GetOrAdd(state, state);
if (existing != null)
{
return existing;