Simple example of visitor pattern

$ cat test.cpp
#include <iostream>

#include "veri_file.h"
#include "VeriModule.h"
#include "VeriVisitor.h"
#include "VeriConstVal.h"

#include "Strings.h"

#ifdef VERIFIC_NAMESPACE
using namespace Verific ;
#endif

class MyVisitor : public VeriVisitor
{
public:
    MyVisitor() : VeriVisitor() { }
    virtual ~MyVisitor() { }

    virtual void VERI_VISIT(VeriConst, node)
    {
        char *str = node.GetPrettyPrintedString() ;
        node.Info("Got expression: %s", str) ;
        Strings::free(str) ;
    }
} ;

int main(int argc, char **argv)
{
    if (!veri_file::Analyze("test.v")) return 1 ;

    MyVisitor mv ;

    MapIter mi ;
    VeriModule *mod ;
    FOREACH_VERILOG_MODULE(mi, mod) if (mod) mod->Accept(mv) ;

    return 0 ;
}

$ cat test.v
module test ;
    (* a = 1, b = 2.6 *) wire w ;
    assign w = 2'b00 ;
endmodule

$ test-linux
-- Analyzing Verilog file 'test.v' (VERI-1482)
test.v(2): INFO: Got expression: 1
test.v(2): INFO: Got expression: 2.6
test.v(3): INFO: Got expression: 2'b0

$