Extended MetaData wrapper

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@195 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/Misc/Debugger/Debugger.Core/Project/Debugger.Core.csproj

@@ -54,6 +54,8 @@
     <Compile Include="Src\Debugger\Internal\NativeMethods.cs" />
     <Compile Include="Src\Debugger\MetaData\FieldProps.cs" />
     <Compile Include="Src\Debugger\MetaData\MetaData.cs" />
+    <Compile Include="Src\Debugger\MetaData\MethodProps.cs" />
+    <Compile Include="Src\Debugger\MetaData\ParamProps.cs" />
     <Compile Include="Src\Debugger\MetaData\TypeDefProps.cs" />
     <Compile Include="Src\Debugger\MetaData\TypeRefProps.cs" />
     <Compile Include="Src\Debugger\NDebugger.cs" />

src/AddIns/Misc/Debugger/Debugger.Core/Project/Src/Debugger/MetaData/MetaData.cs

@@ -79,6 +79,25 @@ namespace DebuggerLibrary
 			return typeRefProps;
 		}
 
+		public IList<FieldProps> EnumFields(uint typeToken)
+		{
+			List<FieldProps> fields = new List<FieldProps>();
+
+			IntPtr enumerator = IntPtr.Zero;
+			while (true) {
+				uint fieldToken;
+				uint fieldsFetched;
+				metaData.EnumFields(ref enumerator, typeToken, out fieldToken, 1, out fieldsFetched);
+				if (fieldsFetched == 0) {
+					metaData.CloseEnum(enumerator);
+					break;
+				}
+				fields.Add(GetFieldProps(fieldToken));
+			}
+
+			return fields;
+		}
+
 		public FieldProps GetFieldProps(uint fieldToken)
 		{
 			FieldProps fieldProps;
@@ -122,23 +141,122 @@ namespace DebuggerLibrary
 			return fieldProps;
 		}
 
-		public IList<FieldProps> EnumFields(uint classToken)
+		public IList<MethodProps> EnumMethods(uint typeToken)
 		{
-			List<FieldProps> fields = new List<FieldProps>();
+			IList<MethodProps> methods = new List<MethodProps>();
 
 			IntPtr enumerator = IntPtr.Zero;
-			while (true) {
+			while(true) {
-				uint fieldToken;
+				uint methodToken;
-				uint fieldCount;
+				uint methodsFetched;
-				metaData.EnumFields(ref enumerator, classToken, out fieldToken, 1, out fieldCount);
+				metaData.EnumMethods(ref enumerator, typeToken, out methodToken, 1, out methodsFetched);
-				if (fieldCount == 0) {
+				if (methodsFetched == 0) {
 					metaData.CloseEnum(enumerator);
 					break;
 				}
-				fields.Add(GetFieldProps(fieldToken));
+				methods.Add(GetMethodProps(methodToken));
 			}
 
-			return fields;
+			return methods;
+		}
+
+		public unsafe MethodProps GetMethodProps(uint methodToken)
+		{
+			MethodProps methodProps;
+
+			methodProps.Token = methodToken;
+
+			uint pStringLenght = 0; // Terminating character included in pStringLenght
+			IntPtr pString = IntPtr.Zero;
+			IntPtr pSigBlob;
+			uint sigBlobSize;
+			metaData.GetMethodProps(methodProps.Token,
+			                        out methodProps.ClassToken,
+			                        pString,
+			                        pStringLenght,
+			                        out pStringLenght, // real string lenght
+			                        out methodProps.Flags,
+			                        new IntPtr(&pSigBlob),
+			                        out sigBlobSize,
+			                        out methodProps.CodeRVA,
+			                        out methodProps.ImplFlags);
+
+			// Allocate string buffer
+			pString = Marshal.AllocHGlobal((int)pStringLenght * 2);
+
+			metaData.GetMethodProps(methodProps.Token,
+			                        out methodProps.ClassToken,
+			                        pString,
+			                        pStringLenght,
+			                        out pStringLenght, // real string lenght
+			                        out methodProps.Flags,
+			                        new IntPtr(&pSigBlob),
+			                        out sigBlobSize,
+			                        out methodProps.CodeRVA,
+			                        out methodProps.ImplFlags);
+
+			methodProps.Name = Marshal.PtrToStringUni(pString);
+			Marshal.FreeHGlobal(pString);
+			
+			methodProps.Signature = new SignatureStream(pSigBlob, sigBlobSize);
+			
+			Marshal.FreeCoTaskMem(pSigBlob);
+
+			return methodProps;
+		}
+
+		public ParamProps GetParamForMethodIndex(uint methodToken, uint parameterSequence)
+		{
+			uint paramToken = 0;
+			metaData.GetParamForMethodIndex(methodToken, parameterSequence, ref paramToken);
+			return GetParamProps(paramToken);
+		}
+
+		public ParamProps GetParamProps(uint paramToken)
+		{
+			ParamProps paramProps;
+
+			paramProps.Token = paramToken;
+
+			uint unused;
+			uint pStringLenght = 0; // Terminating character included in pStringLenght
+			IntPtr pString = IntPtr.Zero;
+			metaData.GetParamProps(paramProps.Token,
+			                       out paramProps.MethodToken,
+			                       out paramProps.ParameterSequence,
+			                       pString,
+			                       pStringLenght,
+			                       out pStringLenght, // real string lenght
+			                       out paramProps.Flags,
+			                       out unused,
+			                       IntPtr.Zero,
+			                       out unused);
+
+			// Allocate string buffer
+			pString = Marshal.AllocHGlobal((int)pStringLenght * 2);
+			
+			metaData.GetParamProps(paramProps.Token,
+			                       out paramProps.MethodToken,
+			                       out paramProps.ParameterSequence,
+			                       pString,
+			                       pStringLenght,
+			                       out pStringLenght, // real string lenght
+			                       out paramProps.Flags,
+			                       out unused,
+			                       IntPtr.Zero,
+			                       out unused);
+
+			paramProps.Name = Marshal.PtrToStringUni(pString);
+			Marshal.FreeHGlobal(pString);
+
+			return paramProps;
+		}
+
+		public TypeDefProps FindTypeDefByName(string typeName, uint enclosingClassToken)
+		{
+			uint typeDefToken;
+			metaData.FindTypeDefByName(typeName, enclosingClassToken, out typeDefToken);
+			return GetTypeDefProps(typeDefToken);
 		}
 	}
 }

src/AddIns/Misc/Debugger/Debugger.Core/Project/Src/Debugger/MetaData/MethodProps.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace DebuggerLibrary
+{
+	struct MethodProps
+	{
+		public uint Token;
+		public string Name;
+		public uint ClassToken;
+		public uint Flags;
+		public uint ImplFlags;
+		public uint CodeRVA;
+		public SignatureStream Signature;
+
+		public bool IsStatic {
+			get {
+				return (Flags & (uint)CorMethodAttr.mdStatic) != 0;
+			}
+		}
+
+		public bool HasSpecialName {
+			get {
+				return (Flags & (uint)CorMethodAttr.mdSpecialName) != 0;
+			}
+		}
+	}
+}

src/AddIns/Misc/Debugger/Debugger.Core/Project/Src/Debugger/MetaData/ParamProps.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace DebuggerLibrary
+{
+	struct ParamProps
+	{
+		public uint Token;
+		public string Name;
+		public uint MethodToken;
+		public uint ParameterSequence;
+		public uint Flags;
+	}
+}