Introducing execution(beta)

src/executeBFE.cpp

@@ -0,0 +1,57 @@
+#include<iostream>
+#include<vector>
+#include<string>
+#include <antlr4-common.h>
+#include "bfeParser.h"
+#include "bfeBaseVisitor.h"
+#include "executeBFE.hpp"
+
+
+using namespace antlr4;
+using namespace antlrcpp;
+using namespace std::__cxx11;
+
+Any executeBGE::visitNumberedStmt(bfeParser::NumberedStmtContext *ctx){
+    int num = stoi(ctx->NUMBER()->getText());
+    for(int i=0;i<num;i++){
+        ctx->stmt()->accept(this);
+    }
+    return Any();
+}
+
+Any executeBGE::visitPtrIncr(bfeParser::PtrIncrContext *ctx){
+    memory[pointer]++;
+    return Any();
+}
+
+Any executeBGE::visitPtrDecr(bfeParser::PtrDecrContext *ctx){
+    memory[pointer]--;
+    return Any();
+}
+
+Any executeBGE::visitPtrRight(bfeParser::PtrRightContext *ctx){
+    pointer++;
+    return Any();
+}
+
+Any executeBGE::visitPtrLeft(bfeParser::PtrLeftContext *ctx){
+    pointer--;
+    return Any();
+}
+
+Any executeBGE::visitInputStmt(bfeParser::InputStmtContext *ctx){
+    std::cin>>memory[pointer];
+    return Any();
+}
+
+Any executeBGE::visitOutputStmt(bfeParser::OutputStmtContext *ctx){
+    std::cout<<memory[pointer];
+    return Any();
+}
+
+Any executeBGE::visitLoopStmt(bfeParser::LoopStmtContext *ctx){
+    while(memory[pointer]){
+        ctx->statements()->accept(this);
+    }
+    return Any();
+}

src/main.cpp

@@ -5,6 +5,7 @@
 #include "bfeLexer.h"
 #include "bfeParser.h"
 #include "toBFListener.hpp"
+#include "executeBFE.hpp"
 
 
 using namespace antlr4;
@@ -25,8 +26,10 @@ int main(int argc, const char *argv[])
     bfeParser parser(&tokens);
 
     tree::ParseTree *tree = parser.program();
-    toBFListener listener;
-    tree::ParseTreeWalker::DEFAULT.walk(&listener, tree);
+    // toBFListener listener;
+    // tree::ParseTreeWalker::DEFAULT.walk(&listener, tree);
 
+    executeBGE* visitor = new executeBGE();
+    auto resultAny = visitor->visit(tree);
     return 0;
 }