indent fix

src/indent_helper.hpp

@@ -13,17 +13,17 @@ public:
     {
         int current = indent_stack.top();
 
+        if (spaces == current)
+        {
+            return 0;
+        }
+
         if (spaces > current)
         {
             indent_stack.push(spaces);
             return 1;
         }
 
-        if (spaces == current)
-        {
-            return 0;
-        }
-
         pending_dedents = 0;
         while (indent_stack.top() > spaces)
         {
@@ -31,35 +31,23 @@ public:
             pending_dedents++;
         }
 
-        if (indent_stack.top() != spaces)
-        {
-            throw std::runtime_error("Indentation error");
-        }
-
-        return -1;
-    }
-
-    bool hasPendingDedents() const
-    {
-        return pending_dedents > 0;
-    }
-
-    void consumePendingDedent()
-    {
         if (pending_dedents > 0)
         {
             pending_dedents--;
+            return -1;
         }
+
+        return 0;
     }
 
-    int flushAllDedents()
+    // returns false on failure
+    bool consumeDedent()
     {
-        int total_dedents = 0;
-        while (indent_stack.size() > 1)
+        if (pending_dedents <= 0)
         {
-            indent_stack.pop();
-            total_dedents++;
+            return false;
         }
-        return total_dedents;
+        pending_dedents--;
+        return true;
     }
 };