1 files changed, 44 insertions, 0 deletions
diff --git a/source/core/slang-string-slice-index-map.cpp b/source/core/slang-string-slice-index-map.cpp
new file mode 100644
index 000000000..d147556e4
--- /dev/null
+++ b/source/core/slang-string-slice-index-map.cpp
@@ -0,0 +1,44 @@
+#include "slang-string-slice-index-map.h"
+
+namespace Slang
+{
+
+// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!! StringSliceIndexMap !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+StringSliceIndexMap::CountIndex StringSliceIndexMap::add(const UnownedStringSlice& key, Index valueIndex)
+{
+    StringSlicePool::Handle handle;
+    m_pool.findOrAdd(key, handle);
+    const CountIndex countIndex = StringSlicePool::asIndex(handle);
+    if (countIndex >= m_indexMap.getCount())
+    {
+        SLANG_ASSERT(countIndex == m_indexMap.getCount());
+        m_indexMap.add(valueIndex);
+    }
+    else
+    {
+        m_indexMap[countIndex] = valueIndex;
+    }
+    return countIndex;
+}
+
+StringSliceIndexMap::CountIndex StringSliceIndexMap::findOrAdd(const UnownedStringSlice& key, Index defaultValueIndex)
+{
+    StringSlicePool::Handle handle;
+    m_pool.findOrAdd(key, handle);
+    const CountIndex countIndex = StringSlicePool::asIndex(handle);
+    if (countIndex >= m_indexMap.getCount())
+    {
+        SLANG_ASSERT(countIndex == m_indexMap.getCount());
+        m_indexMap.add(defaultValueIndex);
+    }
+    return countIndex;
+}
+
+void StringSliceIndexMap::clear()
+{
+    m_pool.clear();
+    m_indexMap.clear();
+}
+
+} // namespace Slang