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Building .NET Coverage Tool

, 25 Aug 2009
This article is a walkthrough for building a .NET coverage tool
Coverage.NET_demo.zip
TestApp
TestApp.exe
TestApp.pdb
Tool
Coverage.Counter.dll
Coverage.exe
Mono.Cecil.dll
Mono.Tools.Pdb2Mdb.dll
Coverage.NET_src.zip
Coverage
Common
Instrument
Properties
Report
Coverage.Counter
Properties
Mono.Cecil
src
AUTHORS
ChangeLog
CodeGen
cecil-gen-attributes.rb
cecil-gen-sources.rb
cecil-gen-tests.rb
cecil-gen-types.rb
cecil-gen.rb
cecil-mig.rb
cecil-update-rev
templates
configure
default.build
Makefile
mono-cecil.pc.in
Mono.Cecil
Mono.Cecil.Binary
Mono.Cecil.Cil
Mono.Cecil.dll.sources
Mono.Cecil.Metadata
Mono.Cecil.Signatures
Mono.Xml
ChangeLog
NEWS
README
standalone.make
TODO
Mono.Tools.Pdb2Mdb
Properties
src
ChangeLog
LICENSE
Makefile
pdb2mdb.exe.sources
//
// MethodReference.cs
//
// Author:
//   Jb Evain (jbevain@gmail.com)
//
// (C) 2005 - 2007 Jb Evain
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

namespace Mono.Cecil {

	using System.Text;

	public class MethodReference : MemberReference, IMethodSignature, IGenericParameterProvider {

		ParameterDefinitionCollection m_parameters;
		MethodReturnType m_returnType;

		bool m_hasThis;
		bool m_explicitThis;
		MethodCallingConvention m_callConv;
		GenericParameterCollection m_genparams;

		public virtual bool HasThis {
			get { return m_hasThis; }
			set { m_hasThis = value; }
		}

		public virtual bool ExplicitThis {
			get { return m_explicitThis; }
			set { m_explicitThis = value; }
		}

		public virtual MethodCallingConvention CallingConvention {
			get { return m_callConv; }
			set { m_callConv = value; }
		}

		public virtual bool HasParameters {
			get { return (m_parameters == null) ? false : (m_parameters.Count > 0); }
		}

		public virtual ParameterDefinitionCollection Parameters {
			get {
				if (m_parameters == null)
					m_parameters = new ParameterDefinitionCollection (this);
				return m_parameters;
			}
		}

		public bool HasGenericParameters {
			get { return (m_genparams == null) ? false : (m_genparams.Count > 0); }
		}

		public GenericParameterCollection GenericParameters {
			get {
				if (m_genparams == null)
					m_genparams = new GenericParameterCollection (this);
				return m_genparams;
			}
		}

		public virtual MethodReturnType ReturnType {
			get { return m_returnType;}
			set { m_returnType = value; }
		}

		internal MethodReference (string name, bool hasThis,
			bool explicitThis, MethodCallingConvention callConv) : this (name)
		{
			m_parameters = new ParameterDefinitionCollection (this);
			m_hasThis = hasThis;
			m_explicitThis = explicitThis;
			m_callConv = callConv;
		}

		internal MethodReference (string name) : base (name)
		{
			m_returnType = new MethodReturnType (null);
		}

		public MethodReference (string name,
			TypeReference declaringType, TypeReference returnType,
			bool hasThis, bool explicitThis, MethodCallingConvention callConv) :
			this (name, hasThis, explicitThis, callConv)
		{
			this.DeclaringType = declaringType;
			this.ReturnType.ReturnType = returnType;
		}

		public virtual MethodDefinition Resolve ()
		{
			TypeReference declaringType = DeclaringType;
			if (declaringType == null)
				return null;

			return declaringType.Module.Resolver.Resolve (this);
		}

		public virtual MethodReference GetOriginalMethod ()
		{
			return this;
		}

		public int GetSentinel ()
		{
			if (HasParameters) {
				for (int i = 0; i < Parameters.Count; i++)
					if (Parameters [i].ParameterType is SentinelType)
						return i;
			}
			return -1;
		}

		public override string ToString ()
		{
			int sentinel = GetSentinel ();

			StringBuilder sb = new StringBuilder ();
			sb.Append (m_returnType.ReturnType.FullName);
			sb.Append (" ");
			sb.Append (base.ToString ());
			sb.Append ("(");
			if (this.HasParameters) {
				for (int i = 0; i < this.Parameters.Count; i++) {
					if (i > 0)
						sb.Append (",");

					if (i == sentinel)
						sb.Append ("...,");

					sb.Append (this.Parameters [i].ParameterType.FullName);
				}
			}
			sb.Append (")");
			return sb.ToString ();
		}
	}
}

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License

This article, along with any associated source code and files, is licensed under The MIT License

About the Author

Sergiy Sakharov
Software Developer (Senior)
United Kingdom United Kingdom
No Biography provided

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