Add a reaf from file function and a version var

Author: lucascompython

.gitignore

@@ -5,3 +5,4 @@ crit.exe
 CritLang/Properties/PublishProfiles/FolderProfile.pubxml
 CritLang/Properties/PublishProfiles/FolderProfile.pubxml.user
 CritLang/CritLang.csproj.user
+CritLang/Content/ola.txt

CritLang/Content/test.crit

@@ -1,22 +1,11 @@
 
-str_num1 = ReadLine("Digite um numero: ");
-str_num2 = ReadLine("Digite outro numero: ");
 
-int_num1 = Convert(str_num1, "int");
-int_num2 = Convert(str_num2, "int");
+path = "./Content/ola.txt";
 
-WriteLine(int_num1 + int_num2);
 
+text = ReadText(path);
 
-lista = [1, 2, "tres", 69];
 
-num = 0;
+WriteLine(text + CritVersion);
 
-while num < Len(lista) {
-	WriteLine(lista[num]);
-	num += 1;
-}
-
-
-WriteLine("FINAL");
 

CritLang/CritVisitor.cs

@@ -10,8 +10,9 @@ public class CritVisitor: CritBaseVisitor<object?>
 
 
 
-    public CritVisitor()
+    public CritVisitor(string version)
     {
+        string _version = version;
         //Math Functions
         Variables["PI"] = Math.PI;
         Variables["Sqrt"] = new Func<object?[], object?>(Sqrt);
@@ -28,9 +29,29 @@ public CritVisitor()
         Variables["Remove"] = new Func<object?[], object?>(RemoveArr);
         Variables["Len"] = new Func<object?[], object?>(LenArr);
 
+        //OS Functions
+        Variables["ReadText"] = new Func<object?[], object?>(ReadText);
 
         //Gerenal Functions
         Variables["Convert"] = new Func<object?[], object?>(ConvertTo);
+        Variables["CritVersion"] = _version;
+
+    }
+
+
+    public static object? ReadText(object?[] args)
+    {
+        if (args.Length != 1) throw new Exception("ReadText expects 1 argument");
+
+        try
+        { 
+            return File.ReadAllText(args[0]!.ToString()!);
+        }
+        catch (Exception e)
+        {
+            throw new Exception("ReadText failed: " + e.Message);
+        }
+
 
     }
 

CritLang/Program.cs

@@ -31,6 +31,6 @@
 var commonTokenStream = new CommonTokenStream(critLexer);
 var critParser = new CritParser(commonTokenStream);
 var critContext = critParser.program();
-var visitor = new CritVisitor();
+var visitor = new CritVisitor(VERSION);
 
 visitor.Visit(critContext);