1 /* ****************************************************************************
3 * Copyright (c) Microsoft Corporation.
5 * This source code is subject to terms and conditions of the Microsoft Public License. A
6 * copy of the license can be found in the License.html file at the root of this distribution. If
7 * you cannot locate the Microsoft Public License, please send an email to
8 * dlr@microsoft.com. By using this source code in any fashion, you are agreeing to be bound
9 * by the terms of the Microsoft Public License.
11 * You must not remove this notice, or any other, from this software.
14 * ***************************************************************************/
17 using ILGenerator = System.Linq.Expressions.Compiler.OffsetTrackingILGenerator;
19 using ILGenerator = Microsoft.Linq.Expressions.Compiler.OffsetTrackingILGenerator;
25 using System; using Microsoft;
27 using System.Collections.Generic;
29 using System.Reflection.Emit;
30 using System.Diagnostics;
31 using System.Diagnostics.SymbolStore;
32 using System.Reflection;
34 using System.Linq.Expressions;
36 using Microsoft.Linq.Expressions;
40 namespace System.Runtime.CompilerServices {
42 namespace Microsoft.Runtime.CompilerServices {
45 /// Generates debug information for lambdas in an expression tree.
47 public abstract class DebugInfoGenerator {
49 /// Creates PDB symbol generator.
51 /// <returns>PDB symbol generator.</returns>
52 public static DebugInfoGenerator CreatePdbGenerator() {
53 return new SymbolDocumentGenerator();
57 /// Marks a sequence point.
59 /// <param name="method">The lambda being generated.</param>
60 /// <param name="ilOffset">IL offset where to mark the sequence point.</param>
61 /// <param name="sequencePoint">Debug informaton corresponding to the sequence point.</param>
62 public abstract void MarkSequencePoint(LambdaExpression method, int ilOffset, DebugInfoExpression sequencePoint);
64 internal virtual void MarkSequencePoint(LambdaExpression method, MethodBase methodBase, ILGenerator ilg, DebugInfoExpression sequencePoint) {
65 MarkSequencePoint(method, ilg.CurrentOffset, sequencePoint);
68 internal virtual void SetLocalName(LocalBuilder localBuilder, string name) {