Ok... this is what I want to do.....
1) Generate Java classes from some expression language....
2) Assume Step#1 is done... I have Java file. I have created JavaLaxer
and JavaParser using Java.g file after modifying Java.g little bit
(http://jumbleagilemanuals.blogspot.com/2008/03/10-steps-to-beginning-
to-parsing-with.html)
3) I am using antlr-3.3-complete.jar for obtaining AST tree. Now I
have wrote Test class where I am obtaining CommonTree object...
static final TreeAdaptor adaptor = new CommonTreeAdaptor() {
@Override
public Object create(Token payload) {
CommonTree cTree = new CommonTree();
cTree.token = payload;
return cTree;
}
};
CharStream c = new ANTLRFileStream(
"C:/Documents and
Settings/kkk/IBM/rationalsdp/workspace17"+
"/myproject/src/main/java/com/xyz/abc/infrastructure/"+
"email/service/impl/EmailServiceImpl.java");
JavaLexer lexer = new JavaLexer(c);
CommonTokenStream tokens = new CommonTokenStream();
tokens.setTokenSource(lexer);
JavaParser parser = new JavaParser(tokens);
parser.setTreeAdaptor(adaptor);
/* AST tree for my java code */
CommonTree tree = (CommonTree) parser.compilationUnit().getTree();
4) Now I want to convert AST tree to XML output so that I can save it
in DB...
5) I want to write Reader class which can read XML file and create
Java source..
6) Use that Java Source to create Object at Runtime...
I am struggling with step-4 to step-6... I couldn't find solution
yet!!
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