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Simplify and fix bugs in ANTLRInputStream

This commit is contained in:
Sam Harwell 2013-08-04 22:16:06 -05:00
parent a4e5bfbae9
commit 81459fb10c
1 changed files with 3 additions and 39 deletions
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42
runtime/CSharp/Antlr4.Runtime/ANTLRInputStream.cs
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@ -130,45 +130,9 @@ namespace Antlr4.Runtime
{
return;
}
if (size <= 0)
{
size = InitialBufferSize;
}
if (readChunkSize <= 0)
{
readChunkSize = ReadBufferSize;
}
// System.out.println("load "+size+" in chunks of "+readChunkSize);
try
{
// alloc initial buffer size.
data = new char[size];
// read all the data in chunks of readChunkSize
int numRead = 0;
int p = 0;
do
{
if (p + readChunkSize > data.Length)
{
// overflow?
// System.out.println("### overflow p="+p+", data.length="+data.length);
data = Arrays.CopyOf(data, data.Length * 2);
}
numRead = r.Read(data, p, readChunkSize);
// System.out.println("read "+numRead+" chars; p was "+p+" is now "+(p+numRead));
p += numRead;
}
while (numRead != -1);
// while not EOF
// set the actual size of the data available;
// EOF subtracted one above in p+=numRead; add one back
n = p + 1;
}
finally
{
//System.out.println("n="+n);
r.Dispose();
}
data = r.ReadToEnd().ToCharArray();
n = data.Length;
}
/// <summary>