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StreamTokenizer.java (nextToken): Avoid unread(TT_EOF).

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2000-01-16  Jeff Sturm  <jsturm@sigma6.com>

	* java/io/StreamTokenizer.java (nextToken): Avoid unread(TT_EOF).

From-SVN: r31449
This commit is contained in:
Jeff Sturm 2000-01-16 21:33:46 +00:00 • committed by Tom Tromey
parent ed4c3661d5
commit 2ce7461bd0
2 changed files with 33 additions and 15 deletions
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44
libjava/java/io/StreamTokenizer.java
View file

@ -179,7 +179,10 @@ public class StreamTokenizer
// Throw away \n if in combination with \r.
if (ch == '\r' && (ch = in.read()) != '\n')
in.unread(ch);
{
if (ch != TT_EOF)
in.unread(ch);
}
if (eolSignificant)
return (ttype = TT_EOL);
}
@ -192,7 +195,8 @@ public class StreamTokenizer
{
// Read ahead to see if this is an ordinary '-' rather than numeric.
ch = in.read();
in.unread(ch);
if (ch != TT_EOF)
in.unread(ch);
if (isNumeric(ch) && ch != '-')
ch = '-';
else
@ -209,7 +213,8 @@ public class StreamTokenizer
else
tokbuf.append((char) ch);
in.unread(ch);
if (ch != TT_EOF)
in.unread(ch);
ttype = TT_NUMBER;
nval = Double.valueOf(tokbuf.toString()).doubleValue();
}
@ -219,7 +224,8 @@ public class StreamTokenizer
tokbuf.append((char) ch);
while (isAlphabetic(ch = in.read()) || isNumeric(ch))
tokbuf.append((char) ch);
in.unread(ch);
if (ch != TT_EOF)
in.unread(ch);
ttype = TT_WORD;
sval = tokbuf.toString();
if (lowerCase)
@ -229,7 +235,8 @@ public class StreamTokenizer
{
while ((ch = in.read()) != '\n' && ch != '\r' && ch != TT_EOF)
;
in.unread(ch);
if (ch != TT_EOF)
in.unread(ch);
return nextToken(); // Recursive, but not too deep in normal cases.
}
else if (isQuote(ch))
@ -277,14 +284,15 @@ public class StreamTokenizer
}
}
in.unread(nextch);
if (nextch != TT_EOF)
in.unread(nextch);
}
tokbuf.append((char) ch);
}
// Throw away matching quote char.
if (ch != ttype)
if (ch != ttype && ch != TT_EOF)
in.unread(ch);
sval = tokbuf.toString();
@ -296,7 +304,8 @@ public class StreamTokenizer
{
while ((ch = in.read()) != '\n' && ch != '\r' && ch != TT_EOF)
;
in.unread(ch);
if (ch != TT_EOF)
in.unread(ch);
return nextToken(); // Recursive, but not too deep in normal cases
}
else if (ch == '*' && slashStar)
@ -305,19 +314,23 @@ public class StreamTokenizer
{
ch = in.read();
if (ch == '*')
if ((ch = in.read()) == '/')
break;
else
in.unread(ch);
{
if ((ch = in.read()) == '/')
break;
else if (ch != TT_EOF)
in.unread(ch);
}
else if (ch == '\n' || ch == '\r')
{
lineNumber++;
if (ch == '\r' && (ch = in.read()) != '\n')
in.unread(ch);
{
if (ch != TT_EOF)
in.unread(ch);
}
}
else if (ch == TT_EOF)
{
in.unread(ch);
break;
}
}
@ -325,7 +338,8 @@ public class StreamTokenizer
}
else
{
in.unread(ch);
if (ch != TT_EOF)
in.unread(ch);
ch = '/';
}