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TestParser.java

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public class TestParser {

public static void main(String args[]) {

simplejava parser;

if (args.length < 1) {

System.out.print("Usage: java TestParser <filename>");

return;

}

try {

parser = new simplejava(new java.io.FileInputStream(args[0]));

} catch (java.io.FileNotFoundException e) {

System.out.println("File " + args[0] + " not found.");

return;

}

try {

ASTProgram prog = parser.program();

ASTPrintTree pt = new ASTPrintTree();

System.out.println("Parsing Successful");

prog.Accept(pt);

} catch (ParseException e) {

System.out.println(e.getMessage());

System.out.println("Parsing Failed");

}

}

}