minor fixes

src/indent_helper.hpp

@@ -1,71 +0,0 @@
-#pragma once
-#include <stack>
-enum class IndentAction
-{
-    Indent,
-    Dedent,
-    None
-};
-
-constexpr int TAB_WIDTH = 8;
-
-class IndentHelper
-{
-    std::stack<int> indent_stack;
-    int pending_dedents = 0;
-
-public:
-    IndentHelper() { indent_stack.push(0); }
-
-    IndentAction processLine(int spaces)
-    {
-        int current = indent_stack.top();
-
-        if (spaces == current)
-        {
-            return IndentAction::None;
-        }
-
-        if (spaces > current)
-        {
-            indent_stack.push(spaces);
-            return IndentAction::Indent;
-        }
-
-        pending_dedents = 0;
-        while (indent_stack.top() > spaces)
-        {
-            indent_stack.pop();
-            pending_dedents++;
-        }
-
-        if (pending_dedents > 0)
-        {
-            pending_dedents--;
-            return IndentAction::Dedent;
-        }
-
-        return IndentAction::None;
-    }
-
-    // returns false on failure
-    bool consumeDedent()
-    {
-        if (pending_dedents <= 0)
-        {
-            return false;
-        }
-        pending_dedents--;
-        return true;
-    }
-
-    static int calculateColumn(const char *text, int length)
-    {
-        int spaces = 0;
-        for (int i = 0; i < length; i++)
-        {
-            spaces += (text[i] == '\t') ? TAB_WIDTH : 1;
-        }
-        return spaces;
-    }
-};