fancy codes

.vscode/settings.json

@@ -0,0 +1,7 @@
+{
+    "files.associations": {
+        "stack": "cpp",
+        "xstring": "cpp",
+        "string": "cpp"
+    }
+}

parser.cpp

@@ -1,15 +1,23 @@
 #include "parser.h"
 
-namespace parser
-{
-    void FileParser::parse()
-    {
-        for (char ch : code)
-        {
-            if (ch == ' ' || ch == '\r' || ch == '\n')
-                continue;
-            if(ch=='f')
-                ;
+namespace parser{
+    void Parser::parse(){
+        std::string lastPattern;
+        int i = 0;
+        for (int i = 0; i < code.length(); i++){
+            char ch = code[i];
+            if (ch == ' ' || ch == '\r' || ch == '\n'){
+                if(!lastPattern.empty()){
+                    //Throw error of invalid keyword
+                }
+                lastPattern = "";
+                return;
+            }
+            if ((!lastPattern.empty())&&((std::string)"function").substr(0,lastPattern.length()-1)==lastPattern){
+                lastPattern.push_back(ch);
+            }else{
+                //Throw error of invalid keyword
+            }
         }
     }
 } // namespace parser

parser.h

@@ -3,25 +3,15 @@
 
 namespace parser
 {
-    class IParser{
+    class Parser{
         private:
         protected:
             std::string code;
             int readmode;
         public:
-            IParser(){}
-            IParser(std::string c) : code(c){}
-            virtual ~IParser(){}
-            virtual void parse() = 0;
-    };
-
-    class FileParser : public IParser{
-        private:
-        protected:
-        public:
-            FileParser(){}
-            FileParser(std::string c) : IParser(c){}
-            virtual ~FileParser(){}
-            void parse();
+            Parser(){}
+            Parser(std::string c) : code(c){}
+            virtual ~Parser(){}
+            virtual void parse();
     };
 } // namespace parser