Operators wip

src/include/parser.h

@@ -0,0 +1,89 @@
+#include <iostream>
+#include <string>
+#include <sstream>
+#include <regex>
+#include <fstream>
+#include <cctype>
+#include <vector>
+
+using namespace std;
+
+class Parser
+{
+private:
+    ifstream file;
+    string vmCode;
+
+    bool isEmptyLine(string text)
+    {
+        for (char c : text)
+        {
+            if (!isspace(c))
+                return false;
+        }
+
+        return true;
+    }
+
+    void removeCommentsAndWhitespace()
+    {
+        string text;
+        smatch matched;
+
+        while (getline(file, text))
+        {
+            if (regex_search(text, matched, regex("^(.*)?(\\/\\/.*)")) || isEmptyLine(text))
+            {
+                if (!isEmptyLine(matched[1]))
+                {
+                    string command = matched[1];
+                    vmCode.append(command + '\n');
+                }
+                continue;
+            }
+            else
+            {
+                vmCode.append(text + '\n');
+            }
+        }
+    }
+
+public:
+    Parser(string path)
+    {
+        file = ifstream(path);
+
+        removeCommentsAndWhitespace();
+    }
+
+    vector<vector<string>> getCommands()
+    {
+        stringstream vmCodeStream(vmCode);
+        string text;
+        smatch matched;
+        vector<vector<string>> tokens;
+
+        while (getline(vmCodeStream, text, '\n'))
+        {
+            vector<string> matchedVector;
+
+            if (regex_search(text, matched, regex("^(.*) (.*) (.*)")))
+            {
+                matchedVector.push_back(matched[1]);
+                matchedVector.push_back(matched[2]);
+                matchedVector.push_back(matched[3]);
+            }
+            else
+            {
+                matchedVector.push_back(text);
+            }
+            tokens.push_back(matchedVector);
+        }
+
+        return tokens;
+    }
+
+    void closeFile() {
+        file.close();
+    }
+};