Re: ANTLR task doesn't update its output

[Sunil Mishra]

I used the following invocation:
$ CLASSPATH=/Volumes/Users/smishra/aic/jtp/beta/java/lib/antlr.jar ant 
-f antlr-build.xml compileParser

I got the same result as before. I'm quite certain the classpath is 
being used correctly, I removed the reference to antlr.jar from the 
build file.

Sunil
On Jun 28, 2004, at 6:06 PM, Mani G. Iyer wrote:
Sunil:
I think you need to put antlrtool.jar in your classpath.  Let me know 
how
that works.

mani
-----Original Message-----
From: Sunil Mishra [mailto:[EMAIL PROTECTED]
Sent: Monday, June 28, 2004 6:34 PM
To: Ant Users List
Subject: Re: ANTLR task doesn't update its output
But, if it were a classpath problem, I would not have antlr working at
all. If the output files are not present, the antlr output is correctly
written out. But if the antlr file is touched, the timestamp on the
output file is not updated. In fact, if I put some garbage into the
grammar file, I even get an error:
$ ant -f antlr-build.xml compileParser
Buildfile: antlr-build.xml
copyLib:
compileParser:
     [antlr] ANTLR Parser Generator   Version 2.7.2   1989-2003 
jGuru.com
     [antlr] error: Token stream error reading grammar(s):
     [antlr]
/Volumes/Unix/users/smishra/devl/aic/jtp/beta/java/src/jtp/fol/kif/
KIFParser.g:2:1: expecting '{', found 'f'
     [antlr]
/Volumes/Unix/users/smishra/devl/aic/jtp/beta/java/src/jtp/fol/kif/
KIFParser.g:2:1: rule grammar trapped:
     [antlr]
/Volumes/Unix/users/smishra/devl/aic/jtp/beta/java/src/jtp/fol/kif/
KIFParser.g:2:1: unexpected token: foo
     [antlr] Exiting due to errors.

I guess I chose a poor subject line. It should have said "ANTLR task
doesn't update its output timestamp". I'm not sure what to make of this
behavior.
Sunil
On Jun 28, 2004, at 3:20 PM, Matt Benson wrote:
Seems so.  Be that as it may, your output shows that
classes are not being found.  Since you are using the
same classpath over and over, I would declare it as a
reference:
<classpath id="antlr.cp">
  <pathelement location="lib/antlr.jar" />
</classpath>
when you use it, you can then use:
<classpath refid="antlr.cp" />
You can use <pathconvert> or <property> to get your
path into a property, whose value you can then check
by <echo>ing it.  It's just a matter of debugging
what's going on by a little trial and error.
-Matt
--- Sunil Mishra <[EMAIL PROTECTED]> wrote:
Here's the compileParser target definition:
   <target name="compileParser" depends="copyLib">
     <antlr target="${parser.dir}/KIFParser.g">
       <classpath>
         <pathelement location="lib/antlr.jar"/>
       </classpath>
     </antlr>
     <antlr target="${parser.dir}/cnf.g">
       <classpath>
         <pathelement location="lib/antlr.jar"/>
       </classpath>
     </antlr>
     <antlr target="${parser.dir}/codegen.g">
       <classpath>
         <pathelement location="lib/antlr.jar"/>
       </classpath>
     </antlr>
     <antlr target="${parser.dir}/simplify.g">
       <classpath>
         <pathelement location="lib/antlr.jar"/>
       </classpath>
     </antlr>
   </target>
The documentation leads me to believe that
specifying the classpath
this way has the same effect as putting the antlr
jar in the ant lib
directory. Is that correct?
Sunil
On Jun 28, 2004, at 2:59 PM, Matt Benson wrote:
Looks like you need to add the ANTLR release
jar(s) to
(most simply) $ANT_HOME/lib, or specify them to
Ant
using the -lib ... option.
-Matt
--- Sunil Mishra <[EMAIL PROTECTED]> wrote:
Here's the output with the verbose flag...
Sunil

$ ant -v -f antlr-build.xml compileParser
Apache Ant version 1.6.1 compiled on February 12
2004
Buildfile: antlr-build.xml
Detected Java version: 1.4 in:


/System/Library/Frameworks/JavaVM.framework/Versions/1.4.2/Home
Detected OS: Mac OS X
parsing buildfile


/Volumes/Unix/users/smishra/devl/aic/jtp/beta/java/antlr-build.xml
with
URI =


file:///Volumes/Unix/users/smishra/devl/aic/jtp/beta/java/antlr-
build.xml
Project base dir set to:
/Volumes/Unix/users/smishra/devl/aic/jtp/beta/java
Build sequence for target `compileParser' is
[copyLib, compileParser]
Complete build sequence is [copyLib,
compileParser,
clean, init,
compile, all, ]
copyLib:
      [copy] antlr.jar omitted as antlr.jar is up
to
date.
      [copy] concurrent.jar omitted as
concurrent.jar is up to date.
      [copy] icu4j.jar omitted as icu4j.jar is up
to
date.
      [copy] jakarta-oro-2.0.5.jar omitted as
jakarta-oro-2.0.5.jar is
up to date.
      [copy] jdom.jar omitted as jdom.jar is up
to
date.
      [copy] jena.jar omitted as jena.jar is up
to
date.
      [copy] junit.jar omitted as junit.jar is up
to
date.
      [copy] log4j.jar omitted as log4j.jar is up
to
date.
      [copy] xercesImpl.jar omitted as
xercesImpl.jar is up to date.
      [copy] xmlParserAPIs.jar omitted as
xmlParserAPIs.jar is up to
date.
compileParser:
     [antlr] Couldn't find
antlr/ANTLRGrammarParseBehavior.class
     [antlr] Couldn't find
antlr/ANTLRGrammarParseBehavior.class
     [antlr] Setting target to:


/Volumes/Unix/users/smishra/devl/aic/jtp/beta/java/src/jtp/fol/kif/
KIFParser.g
     [antlr] Setting output directory to:


/Volumes/Unix/users/smishra/devl/aic/jtp/beta/java/src/jtp/fol/kif
     [antlr] Compiling


/Volumes/Unix/users/smishra/devl/aic/jtp/beta/java/src/jtp/fol/kif/
KIFParser.g as it is newer than


/Volumes/Unix/users/smishra/devl/aic/jtp/beta/java/src/jtp/fol/kif/
KIFParser.java
     [antlr] Executing


'/System/Library/Frameworks/JavaVM.framework/Versions/1.4.2/Home/bin/
java' with arguments:
     [antlr] '-classpath'
     [antlr]


'/Volumes/Unix/users/smishra/devl/aic/jtp/beta/java/lib/antlr.jar'
     [antlr] 'antlr.Tool'
     [antlr] '-o'
     [antlr]


'/Volumes/Unix/users/smishra/devl/aic/jtp/beta/java/src/jtp/fol/kif'
     [antlr]


'/Volumes/Unix/users/smishra/devl/aic/jtp/beta/java/src/jtp/fol/kif/
KIFParser.g'
     [antlr]
     [antlr] The ' characters around the
executable
and arguments are
     [antlr] not part of the command.
     [antlr] ANTLR Parser Generator   Version
2.7.2
 1989-2003 jGuru.com
     [antlr] Couldn't find
antlr/ANTLRGrammarParseBehavior.class
     [antlr] Couldn't find
antlr/ANTLRGrammarParseBehavior.class
     [antlr] Setting target to:


/Volumes/Unix/users/smishra/devl/aic/jtp/beta/java/src/jtp/fol/kif/
cnf.g
     [antlr] Setting output directory to:


/Volumes/Unix/users/smishra/devl/aic/jtp/beta/java/src/jtp/fol/kif
     [antlr] Skipped grammar file. Generated file


/Volumes/Unix/users/smishra/devl/aic/jtp/beta/java/src/jtp/fol/kif/
CNFConverter.javais newer.
     [antlr] Couldn't find
antlr/ANTLRGrammarParseBehavior.class
     [antlr] Couldn't find
antlr/ANTLRGrammarParseBehavior.class
     [antlr] Setting target to:


/Volumes/Unix/users/smishra/devl/aic/jtp/beta/java/src/jtp/fol/kif/
codegen.g
     [antlr] Setting output directory to:

=== message truncated ===

        
                
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