Add translation and cxxopts

src/main.cpp

@@ -1,39 +1,70 @@
 #include <iostream>
 #include <vector>
 #include <string>
-#include <antlr4-common.h>
+#include <cxxopts.hpp>
+#include "antlr4-common.h"
+#include "cxxopts.hpp"
 #include "bfeLexer.h"
 #include "bfeParser.h"
 #include "toBFListener.hpp"
 #include "executeBFE.hpp"
 
-
 using namespace antlr4;
 
-int main(int argc, const char *argv[])
+int main(int argc, char **argv)
 {
-    std::ifstream stream;
-    bool outFile = false;
-    stream.open(argv[1]);
-    if (stream.fail())
+    cxxopts::Options options(argv[0], "An interpreter/translator for bfe");
+
+    options.add_options()
+        ("t,translate", "Translate to bf", cxxopts::value<bool>()->default_value("false"))
+        ("i,input", "Input(First argument)", cxxopts::value<std::string>())
+        ("h,help", "Print usage");
+    options.parse_positional({"input"});
+    auto results = options.parse(argc, argv);
+    if (results.count("help"))
     {
-        std::cout << "Could not open" << std::endl;
+        std::cout << options.help() << std::endl;
+        return 0;
+    }
+    if (results.count("input"))
+    {
+        // std::cout << results["input"].as<std::string>()<<std::endl;
+        std::ifstream stream;
+        bool outFile = false;
+        stream.open(results["input"].as<std::string>());
+        if (stream.fail())
+        {
+            std::cout << "Could not open" << std::endl;
+            return 1;
+        }
+        ANTLRInputStream input(stream);
+        bfeLexer lexer(&input);
+        CommonTokenStream tokens(&lexer);
+        bfeParser parser(&tokens);
+
+        tree::ParseTree *tree = parser.program();
+        if(results["translate"].as<bool>()){
+            toBFListener listener;
+            tree::ParseTreeWalker::DEFAULT.walk(&listener, tree);
+        }else{
+            executeBGE *visitor = new executeBGE();
+            try
+            {
+                visitor->visit(tree);
+                std::cout << std::endl;
+            }
+            catch (std::string e)
+            {
+                std::cout << "\nIllegal:" << e<<std::endl;
+            }
+        }
+    }else{
+        std::cout<<"?:Expected file"<<std::endl;
         return 1;
     }
-    ANTLRInputStream input(stream);
-    bfeLexer lexer(&input);
-    CommonTokenStream tokens(&lexer);
-    bfeParser parser(&tokens);
+    
+    
 
-    tree::ParseTree *tree = parser.program();
-    // toBFListener listener;
-    // tree::ParseTreeWalker::DEFAULT.walk(&listener, tree);
-    executeBGE* visitor = new executeBGE();
-    try{
-        visitor->visit(tree);
-        std::cout<<std::endl;
-    }catch(std::string e){
-        std::cout<<"Illegal:"<<e<<std::endl;
-    }
+    // if(argc>2 && )
     return 0;
 }