Subversion Repositories programming

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 ******************************************************************************/
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 ******************************************************************************/
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%{
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%{
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    import java.lang.*;
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    import java.lang.*;
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    import java.io.*;
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    import java.io.*;
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    import.java.util.StringTokenizer;
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    import java.util.StringTokenizer;
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%}
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%}
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/* Token Declarations */
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/* Token Declarations */
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%token CLASS
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%token CLASS
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%token ID
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%token ID
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    | NUM { System.out.println ("factor -> NUM reduce"); }
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    | NUM { System.out.println ("factor -> NUM reduce"); }
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    | ID { System.out.println ("factor -> ID reduce"); };
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    | ID { System.out.println ("factor -> ID reduce"); };
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%%
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%%
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private Yylex lexer;
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public void yyerror (String error)
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{
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    System.out.println ("Parse Error: " + error);
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}
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int yylex ()
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{
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    int lex_return = -1;
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    try
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    {
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        lex_return = lexer.yylex();
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    }
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    catch (IOException e)
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    {
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        System.out.println ("IO Error: " + e);
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    }
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    return lex_return;
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}
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public Parser (Reader r)
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{
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    lexer = new Yylex (r, this);
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}
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public static void main (String[] args) throws Exception
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{
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    Parser yyparser = new Parser (new FileReader (args[0]));
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    yyparser.yyparse();
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}
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