[antlr-interest] Bug in buildTokenTypeASTClassMap generation(antlr 2.7.2)

[ilandrieu]

Hi,     
     
I'm not a user of antlr, but I am using it to compile the Java Data Objects  
reference implementation. Their grammar file contains rules like:     
     
    IMPORT = "import"         <AST=com.sun.jdori.common.query.tree.Node>;      
     
(the quotes around import are important, I could not throw them out). This leads 
to the generation of the following code in antlr 2.7.2 for the method  
buildTokenTypeASTClassMap in the parser class :     
     
	protected void buildTokenTypeASTClassMap() {     
		tokenTypeToASTClassMap = new Hashtable();     
		tokenTypeToASTClassMap.put(new Integer("import"),    
com.sun.jdori.common.query.tree.Node.class);     
        ....     
     
This code causes a NumberFormatException("import" cannot be parsed to an 
integer value) when called (as happens in the  constructor of the parser class).     
The correct code seems to be:     
  
	tokenTypeToASTClassMap.put(new Integer(IMPORT),     
                                        com.sun.jdori.common.query.tree.Node.class);     
     
I solved my problem, but I wanted to know whether this is a known issue with  
antlr 2.7.2 (or should I file it somewhere?), or is it a problem in the JDO grammar  
file?     
     
Cheers,     
Ives     
     
     


 

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