Kumaap0,
It looks like just some inexperience here. My first guess is that you have a
lexer rule that matches and empty string and so you are getting an infinite
number of tokens.
Look for:
LEXERRULE: ('xxxxx')* ;
Where a * should be a + as that is the most common error.
Jim
> -----Original Message-----
> From: antlr-interest-boun...@antlr.org [mailto:antlr-interest-
> boun...@antlr.org] On Behalf Of Kumar, Amitesh
> Sent: Thursday, April 01, 2010 2:13 AM
> To: antlr-interest@antlr.org
> Subject: [antlr-interest] Parsing Large Files
>
> Hi Guys what we are looking for is just parsing the file and recording
> the errors we don't need to keep a track of any tokens or a AST.
> Im getting
> Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
> at java.util.Arrays.copyOf(Arrays.java:2760)
> at java.util.Arrays.copyOf(Arrays.java:2734)
> at java.util.ArrayList.ensureCapacity(ArrayList.java:167)
> at java.util.ArrayList.add(ArrayList.java:351)
> at
> org.antlr.runtime.CommonTokenStream.fillBuffer(CommonTokenStream.java:1
> 1
> 6)
> at
> org.antlr.runtime.CommonTokenStream.LT(CommonTokenStream.java:238)
> at
> org.antlr.runtime.Parser.getCurrentInputSymbol(Parser.java:54)
> at
> org.antlr.runtime.BaseRecognizer.match(BaseRecognizer.java:104)
> at DealsAll2Parser.header(DealsAll2Parser.java:123)
> at DealsAll2Parser.file(DealsAll2Parser.java:67)
> at AntlrMain.main(AntlrMain.java:53)
> I see where the error is coming from the CommonTokenStream is keeping
> track of all past tokens, how can I make it so it doesn't. Do I have to
> create my own Token Stream? Or is there a easy way.
>
> Cheers
> Kumaap0
>
>
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