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memory optimization for file reading #58

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Merged
merged 1 commit into from
Apr 20, 2018
Merged

memory optimization for file reading #58

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10 changes: 5 additions & 5 deletions src/coverlet.core/Coverage.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -96,9 +96,9 @@ private void CalculateCoverage()
{
if (!File.Exists(result.HitsFilePath)) { continue; }
var lines = InstrumentationHelper.ReadHitsFile(result.HitsFilePath);
for (int i = 0; i < lines.Length; i++)
foreach (var line in lines)
{
var info = lines[i].Split(',');
var info = line.Split(',');
// Ignore malformed lines
if (info.Length != 4)
continue;
Expand All @@ -113,11 +113,11 @@ private void CalculateCoverage()

for (int j = start; j <= end; j++)
{
var line = document.Lines.First(l => l.Number == j);
line.Hits = line.Hits + 1;
var subLine = document.Lines.First(l => l.Number == j);
subLine.Hits = subLine.Hits + 1;

if (j == start)
line.IsBranchTarget = target;
subLine.IsBranchTarget = target;
}
}

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4 changes: 2 additions & 2 deletions src/coverlet.core/Helpers/InstrumentationHelper.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -78,7 +78,7 @@ public static void RestoreOriginalModule(string module, string identifier)
}, retryStrategy, 10);
}

public static string[] ReadHitsFile(string path)
public static IEnumerable<string> ReadHitsFile(string path)
{
// Retry hitting the hits file - retry up to 10 times, since the file could be locked
// See: https://github.com/tonerdo/coverlet/issues/25
Expand All @@ -90,7 +90,7 @@ public static string[] ReadHitsFile(string path)
return sleep;
};

return RetryHelper.Do(() => File.ReadAllLines(path), retryStrategy, 10);
return RetryHelper.Do(() => File.ReadLines(path), retryStrategy, 10);
}

public static void DeleteHitsFile(string path)
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