Implemented scopes

tests/cases/test_ast.c

@@ -48,7 +48,7 @@ int test_sizeof_ast_32bit() {
 
 	//run for each type
 	TEST_SIZEOF(Toy_AstType, 4);
-	TEST_SIZEOF(Toy_AstBlock, 16);
+	TEST_SIZEOF(Toy_AstBlock, 20);
 	TEST_SIZEOF(Toy_AstValue, 12);
 	TEST_SIZEOF(Toy_AstUnary, 12);
 	TEST_SIZEOF(Toy_AstBinary, 16);
@@ -61,7 +61,7 @@ int test_sizeof_ast_32bit() {
 	TEST_SIZEOF(Toy_AstPass, 4);
 	TEST_SIZEOF(Toy_AstError, 4);
 	TEST_SIZEOF(Toy_AstEnd, 4);
-	TEST_SIZEOF(Toy_Ast, 16);
+	TEST_SIZEOF(Toy_Ast, 20);
 
 #undef TEST_SIZEOF
 

tests/integrations/test_scopes.toy

@@ -0,0 +1,19 @@
+//shadowing
+var answer = 42;
+print answer; //42
+{
+	    var answer = 7;
+		    print answer; //7
+}
+print answer; //42
+
+//rebinding
+var question = 42;
+print question; //42
+{
+	    var question = question;
+		    print question; //42
+}
+print question; //42
+
+//TODO: scope test case

tests/integrations/test_variables.toy

@@ -7,15 +7,13 @@ var empty;
 //assign a previously existing variable
 answer = 6 * 9;
 
+//access a variable
 answer = answer + 1;
 
+//compound assignments
 answer += 5;
-
 answer -= 5;
-
 answer *= 9;
-
 answer /= 2;
-
 answer %= 10;