ANTLR verilog parser

We would get a verilog (2001, 2005) parser in developed in ANTLR. You should use antlrworks and antlr3.5. Base language should be java. First step is to write rewrite to pass the verilog pre-processing with line and pos tracking. Second step. Is to write a paser/grammer to tree. (AST) Third step. Is to write a three walker. The success criteria is if are able to pass a collection on real verilog file from opencores. All the levels of parsing must have pos/line tracking from the source files On ANTLR web page you can find sample of verilog grammars.