Initial checkin

IDE/src/Clang/ClangHelper.bf

@@ -0,0 +1,92 @@
+#if false
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Runtime.InteropServices;
+using Beefy.widgets;
+using IDE.Compiler;
+
+namespace IDE.Clang
+{
+    public class ClangHelper : CompilerBase
+    {
+        [StdCall, CLink]
+        static extern IntPtr ClangHelper_Create();
+
+        [StdCall, CLink]
+        static extern void ClangHelper_Delete(IntPtr clangHelper);
+
+        [StdCall, CLink]
+        static extern IntPtr ClangHelper_Classify(IntPtr clangHelper, char* fileName, void* elementTypeArray, int charLen, int cursorIdx);
+
+        [StdCall, CLink]
+        static extern IntPtr ClangHelper_FindDefinition(IntPtr clangHelper, char* fileName, int line, int column, out int outDefLine, out int outDefColumn);
+
+        [StdCall, CLink]
+        static extern IntPtr ClangHelper_Autocomplete(IntPtr clangHelper, char* fileName, int cursorIdx);
+
+        IntPtr mNativeClangHelper;
+
+        public this()
+        {
+            mNativeClangHelper = ClangHelper_Create();
+        }
+
+        public ~this()
+        {
+            ClangHelper_Delete(mNativeClangHelper);
+            mNativeClangHelper = IntPtr.Zero;
+        }
+
+        public string Classify(string fileName, EditWidgetContent.CharData[] charData, int cursorIdx)
+        {
+            fixed (EditWidgetContent.CharData* charDataPtr = charData)
+            {
+                IntPtr returnStringPtr = ClangHelper_Classify(mNativeClangHelper, fileName, charDataPtr, charData.Length, cursorIdx);
+                if (returnStringPtr == IntPtr.Zero)
+                    return null;
+                return Marshal.PtrToStringAnsi(returnStringPtr);
+            }
+        }
+
+        public void FindDefinition(string fileName, int line, int column, out string defFileName, out int defLine, out int defColumn)
+        {
+            IntPtr fileNamePtr = ClangHelper_FindDefinition(mNativeClangHelper, fileName, line, column, out defLine, out defColumn);
+            if (fileNamePtr == null)
+            {
+                defFileName = null;
+                defLine = 0;
+                defColumn = 0;
+                return;
+            }
+            defFileName = Marshal.PtrToStringAnsi(fileNamePtr);
+        }
+
+        public string Autocomplete(string fileName, int cursorIdx)
+        {
+            IntPtr fileNamePtr = ClangHelper_Autocomplete(mNativeClangHelper, fileName, cursorIdx);
+            if (fileNamePtr == IntPtr.Zero)
+                return null;
+            return Marshal.PtrToStringAnsi(fileNamePtr);
+        }
+
+        protected override void ProcessQueue()
+        {            
+            while (true)
+            {
+                Command command = null;
+                using (mMonitor.Enter())
+                {
+                    if (mCommandQueue.Count == 0)
+                        break;
+                    command = mCommandQueue[0];
+                }
+            }
+        }
+    }
+}
+
+#endif