Fix change changing value even if out of scope (#19)

Author: OJddJO

.github/workflows/build_test_check.yml

@@ -2,12 +2,15 @@ name: Build/Test Check
 
 on:
   push:
+    branches:
+      - main
     paths:
       - 'src/**'
       - 'include/**'
       - '.github/workflows/build_test_check.yml'
   pull_request:
-    branches: [ "main" ]
+    branches:
+      - main
     paths:
       - 'src/**'
       - 'include/**'

bin/test.py

@@ -0,0 +1,7 @@
+a = 0
+def test():
+    while a < 5:
+        a += 1
+
+test()
+print(a)

bin/test.w

@@ -1,12 +1,12 @@
-def int fibonacci with int n
-    if n less 2
-        return n
-    else
-        call fibonacci with n minus 1 store result1
-        call fibonacci with n minus 2 store result2
-        return result1 plus result2
-    endif
+int a assign 0
+def null test
+    infloop
+        if a gequal 5
+            break
+        endif
+        change a to a plus 1
+    endinf
 enddef
 
-call fibonacci with 10 store result
-print result
+call test
+print a

bin/word.exe

@@ -1099,7 +1099,7 @@ void *execute(list *parsed_code, Scope *scope, W_Type return_type, bool destroy_
                 fprintf(stderr, "Error: Expected variable name after keyword 'change', got '%s', line: %d\n", word->value, word->line);
                 exit(1);
             }
-            W_Var *var = get_var(scope, word->value);
+            W_Var *var = w_dict_get(scope->vars, word->value); //get local variable
             if (var == NULL) {
                 fprintf(stderr, "Error: Variable '%s' does not exist, line: %d\n", word->value, word->line);
                 exit(1);