Added requirement for having a module header at the beginning of each source file

Updated test cases accordingly

source/tlang/compiler/parser.d

@@ -672,6 +672,18 @@ public final class Parser
 
         /* TODO: Do parsing here */
 
+        /* Expect `module` and module name and consume them (and `;`) */
+        expect(SymbolType.MODULE, getCurrentToken());
+        nextToken();
+        expect(SymbolType.IDENTIFIER, getCurrentToken());
+        nextToken();
+        expect(SymbolType.SEMICOLON, getCurrentToken());
+        nextToken();
+
+        /* TODO: do `hasTokens()` check */
+        /* TODO: We should add `hasTokens()` to the `nextToken()` */
+        /* TODO: And too the `getCurrentTokem()` and throw an error when we have ran out rather */
+
         /* We can have an import or vardef or funcdef */
         while (hasTokens())
         {

source/tlang/compiler/symbols.d

@@ -23,6 +23,7 @@ public enum SymbolType
     COMMA,
     OCURLY,
     CCURLY,
+    MODULE,
     IF,
     ELSE,
     WHILE,
@@ -229,6 +230,11 @@ public static SymbolType getSymbolType(Token tokenIn)
     {
         return SymbolType.DELETE;
     }
+    /* module keyword */
+    else if(cmp(token, "module") == 0)
+    {
+        return SymbolType.MODULE;
+    }
     /* Identifier check (TODO: Track vars) */
     else if (isIdentifier(token))
     {

source/tlang/testing/basic1.t

@@ -1,3 +1,6 @@
+module bababoioey;
+
+
 int x;
 ubyte y;
 

source/tlang/testing/basic1_invalid.t

@@ -1,3 +1,5 @@
+module bababoioey;
+
 int x;
 ubyte y;
 

source/tlang/testing/basic1_invalid_2.t

@@ -1,3 +1,5 @@
+module bababoioey;
+
 int x;
 ubyte y;
 

source/tlang/testing/basic2_mega_fucked.t

@@ -1,3 +1,5 @@
+module bababoioey;
+
 int x;
 ubyte y;
 

source/tlang/testing/else_if_without_if.pl

@@ -1,3 +1,5 @@
+module bababoioey;
+
 int x;
 ubyte y;
 

source/tlang/testing/else_without_if.pl

@@ -1,3 +1,5 @@
+module bababoioey;
+
 int x;
 ubyte y;