I'm really frustrated with what must be a trivial problem but I seem to be
chasing my tail.
To try to isolate things I put the antlrworks-1.2.2.jar file in a folder with
Expr.g
I ran:> java -cp antlrworks-1.2.2.jar org.antlr.Tool Expr.g
That generated ExprLexer.java, ExprParser.java, and Expr.tokens
So I added to the directory the Test Harness Test.java with the code:
---
import org.antlr.runtime.*;
public class Test {
public static void main(String[] args) throws Exception {
ANTLRInputStream input = new ANTLRInputStream(System.in);
ExprLexer lexer = new ExprLexer(input);
CommonTokenStream tokens = new CommonTokenStream(lexer);
ExprParser parser = new ExprParser(tokens);
parser.prog();
}
}
---
Then I tried to compile it with:
>javac -cp antlrworks-1.2.2.jar Test.java ExprLexer.java ExprParser.java
All the documentation seems to indicate this should work but what I get is:
I:\E>javac -classpath antlrworks-1.2.2.jar Test.java ExprLexer.java
ExprParser.java
Test.java:6: cannot find symbol
symbol : class ExprLexer
location: class Test
ExprLexer lexer = new ExprLexer(input);
^
Test.java:6: cannot find symbol
symbol : class ExprLexer
location: class Test
ExprLexer lexer = new ExprLexer(input);
^
Test.java:8: cannot find symbol
symbol : class ExprParser
location: class Test
ExprParser parser = new ExprParser(tokens);
^
Test.java:8: cannot find symbol
symbol : class ExprParser
location: class Test
ExprParser parser = new ExprParser(tokens);
^
Note: ExprParser.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
4 errors
All the .java files are in the same directory
Probably some old hand can look at this as identify my error, but I certainly
can't seem to.
I'd appreciate any help.
I can run Expr.g in ANTLRWorks directly but not from the command line.
Regards, Ray
--
Ray Schneider,PE, Ph.D
Associate Professor
Math and Computer Science
Bridgewater College
http://www.bridgewater.edu/~rschneid/
http://theweedlessgarden.blogspot.com
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