Symbol table

PowerUtils/symbol_table.h

@@ -0,0 +1,53 @@
+#pragma once
+#include "symbol.h"
+#include <set>
+
+class SymbolTable : public std::multiset<Symbol, SymbolComparer>
+{
+public:
+    const_iterator find(size_t address) const
+    {
+        auto iter = std::multiset<Symbol, SymbolComparer>::find(address);
+        if (iter == end())
+        {
+            return iter;
+        }
+
+        size_t closest{ address - iter->address };
+        auto match = iter;
+        for (; iter != end(); ++iter)
+        {
+            const size_t distance = address - iter->address;
+            if (distance <= closest)
+            {
+                match = iter;
+                closest = distance;
+            }
+        }
+
+        return match;
+    }
+
+    iterator find(size_t address)
+    {
+        auto iter = std::multiset<Symbol, SymbolComparer>::find(address);
+        if (iter == end())
+        {
+            return iter;
+        }
+
+        size_t closest{ address - iter->address };
+        auto match = iter;
+        for (; iter != end(); ++iter)
+        {
+            const size_t distance = address - iter->address;
+            if (distance <= closest)
+            {
+                match = iter;
+                closest = distance;
+            }
+        }
+
+        return match;
+    }
+};