Added the .debugger classes

Tests/Yodii.Script.Debugger.Tests/BasicDebuggerSupport.cs

@@ -0,0 +1,118 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using NUnit.Framework;
+
+namespace Yodii.Script.Debugger.Tests
+{
+    [TestFixture]
+    class BasicDebuggerSupport
+    {
+        [TestCase("let a;", 0)]
+        [TestCase( "let a=0;",1 )]
+        [TestCase( "let a,b;a=5; b=2; ", 2 )]
+        [TestCase( "let a,b,c;a=5; b=2;c= a+b ", 4 )]
+        public void check_if_breakpoints_count_matches(string script, int count)
+        {          
+            ScriptEngine engine = new ScriptEngine();
+
+            Expr exp = ExprAnalyser.AnalyseString( script );
+
+            BreakableVisitor bkv = new BreakableVisitor();
+            bkv.VisitExpr( exp );
+            Assert.That( bkv.BreakableExprs.Count, Is.EqualTo(count) );
+        }
+
+        [Test]
+        public void add_breakpoint_inside_parsed_script()
+        {
+            ScriptEngine engine = new ScriptEngine();
+            string script = @"let a,b,c;
+                               a=5;
+                               b=2;
+                               c= a+b ";
+
+            Expr exp = ExprAnalyser.AnalyseString( script );
+
+            BreakableVisitor bkv = new BreakableVisitor();
+            bkv.VisitExpr( exp );
+            Assert.That( bkv.BreakableExprs.Count, Is.EqualTo(4) );
+            engine.Breakpoints.AddBreakpoint( bkv.BreakableExprs[3] );
+
+            using( var r2 = engine.Execute( exp ) )
+            {
+                int nbStep = 0;
+                while( r2.Status == ScriptEngineStatus.Breakpoint )
+                {
+                    Assert.That( (r2.Status & ScriptEngineStatus.IsPending), Is.EqualTo( ScriptEngineStatus.IsPending ) );
+                    nbStep++;
+                    r2.Continue();
+                }
+
+                Assert.That( r2.Status, Is.EqualTo( ScriptEngineStatus.IsFinished ) );
+                Assert.That( nbStep, Is.EqualTo( 1 ) );
+            }
+        }
+        [Test]
+        public void check_the_debuggers_components()
+        {
+            ScriptEngineDebugger engine = new ScriptEngineDebugger(new GlobalContext());
+            string script = @"let a,b,c;
+                               a=5;
+                               b=2;
+                               c= a+b ";
+
+            Expr exp = ExprAnalyser.AnalyseString( script );
+
+            BreakableVisitor bkv = new BreakableVisitor();
+            bkv.VisitExpr( exp );
+            Assert.That( bkv.BreakableExprs.Count, Is.EqualTo( 4 ) );
+            engine.Breakpoints.AddBreakpoint( bkv.BreakableExprs[3] );
+
+            using( var r2 = engine.Execute( exp ) )
+            {
+                Assert.That( engine.ScopeManager.Vars.Count, Is.EqualTo( 3 ) );
+
+                r2.Continue();
+            }
+        }
+        [Test]
+        public void show_vars_from_closure()
+        {
+            ScriptEngineDebugger engine = new ScriptEngineDebugger(new GlobalContext());
+            string script = @"let a = 0;
+                              let b = 1;
+                              function testfunc(){
+                                let b = 2;
+                                a = 'test';
+                                a = 5;
+                               }
+                              testfunc();
+                              let c = 0;
+";
+
+            Expr exp = ExprAnalyser.AnalyseString( script );
+
+            BreakableVisitor bkv = new BreakableVisitor();
+            bkv.VisitExpr( exp );
+            engine.Breakpoints.AddBreakpoint( bkv.BreakableExprs[5] );
+
+            using( var r2 = engine.Execute( exp ) )
+            {
+                Assert.That( engine.ScopeManager.FindByName( "a" ).Object.ToString(), Is.EqualTo( "test" ) );
+                Assert.That( engine.ScopeManager.FindByName( "b" ).Object.ToDouble(), Is.EqualTo( 2.0 ) );
+                r2.Continue();
+            }
+            engine.Breakpoints.RemoveBreakpoint( bkv.BreakableExprs[5] );
+            engine.Breakpoints.AddBreakpoint( bkv.BreakableExprs[7] );
+            using( var r2 = engine.Execute( exp ) )
+            {
+                Assert.That( engine.ScopeManager.FindByName( "a" ).Object.ToDouble(), Is.EqualTo( 5.0 ) );
+                Assert.That( engine.ScopeManager.FindByName( "b" ).Object.ToDouble(), Is.EqualTo( 1.0 ) );
+                r2.Continue();
+            }
+        }
+    }
+}

Tests/Yodii.Script.Debugger.Tests/DynamicalVariableEdition.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using NUnit.Framework;
+
+namespace Yodii.Script.Debugger.Tests
+{
+    [TestFixture]
+    class DynamicalVariableEdition
+    {
+        [Test]
+        public void Check_if_variables_can_be_edited_on_breakpoint()
+        {
+            ScriptEngineDebugger engine = new ScriptEngineDebugger(new GlobalContext());
+
+            string script = @"let a,b,c;
+                               a=5;
+                               b=2;
+                               c= a+b;
+                               let d=0;";
+
+            Expr exp = ExprAnalyser.AnalyseString( script );
+
+            BreakableVisitor bkv = new BreakableVisitor();
+            bkv.VisitExpr( exp );
+            engine.Breakpoints.AddBreakpoint( bkv.BreakableExprs[3] );
+            engine.Breakpoints.AddBreakpoint( bkv.BreakableExprs[4] );
+
+            using( var r2 = engine.Execute( exp ) )
+            {
+
+                RefRuntimeObj O = engine.ScopeManager.FindByName( "b" ).Object;
+                O.Value = new JSEvalNumber( 5.0 );
+                Assert.That( engine.ScopeManager.FindByName( "b" ).Object.Value.ToDouble(), Is.EqualTo( 5.0 ) );
+
+                r2.Continue();
+
+                Assert.That( engine.ScopeManager.FindByName( "c" ).Object.Value.ToDouble(), Is.EqualTo( 10.0 ) );
+
+                r2.Continue();
+
+            }                           
+        }
+    }
+}

Tests/Yodii.Script.Debugger.Tests/Properties/AssemblyInfo.cs

@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("Yodii.Script.Debugger.Tests")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("Yodii.Script.Debugger.Tests")]
+[assembly: AssemblyCopyright("Copyright ©  2015")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible 
+// to COM components.  If you need to access a type in this assembly from 
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("18c42bd6-56a2-4d19-8569-5093795b492b")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version 
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers 
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]

Tests/Yodii.Script.Debugger.Tests/Yodii.Script.Debugger.Tests.csproj

@@ -0,0 +1,72 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{04FE4BA4-34A8-4987-A3B5-E14B963F6BE7}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>Yodii.Script.Debugger.Tests</RootNamespace>
+    <AssemblyName>Yodii.Script.Debugger.Tests</AssemblyName>
+    <TargetFrameworkVersion>v4.5.1</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <TargetFrameworkProfile />
+    <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\</SolutionDir>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="nunit.framework">
+      <HintPath>..\..\packages\NUnit.2.6.4\lib\nunit.framework.dll</HintPath>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="BasicDebuggerSupport.cs" />
+    <Compile Include="DynamicalVariableEdition.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\Yodii.Script.Debugger\Yodii.Script.Debugger.csproj">
+      <Project>{576274a5-5fbf-4803-91db-96effcf4159a}</Project>
+      <Name>Yodii.Script.Debugger</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\Yodii.Script\Yodii.Script.csproj">
+      <Project>{388870e4-cf4e-45b5-bbec-ec6fad2e7490}</Project>
+      <Name>Yodii.Script</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>

Tests/Yodii.Script.Debugger.Tests/packages.config

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="NUnit" version="2.6.4" targetFramework="net451" />
+</packages>

Tests/Yodii.Script.Tests/Yodii.Script.Tests.csproj

@@ -13,7 +13,6 @@
     <TargetFrameworkVersion>v4.5.1</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
-    <RestorePackages>true</RestorePackages>
     <TargetFrameworkProfile>
     </TargetFrameworkProfile>
     <StartAction>Program</StartAction>

Yodii-Script.sln

@@ -17,9 +17,16 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "SolutionItems", "SolutionIt
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = ".nuget", ".nuget", "{4BFD09D0-AAD1-4343-B7E2-89A891379139}"
 	ProjectSection(SolutionItems) = preProject
+		.nuget\NuGet.Config = .nuget\NuGet.Config
+		.nuget\NuGet.exe = .nuget\NuGet.exe
+		.nuget\NuGet.targets = .nuget\NuGet.targets
 		.nuget\packages.config = .nuget\packages.config
 	EndProjectSection
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Yodii.Script.Debugger", "Yodii.Script.Debugger\Yodii.Script.Debugger.csproj", "{576274A5-5FBF-4803-91DB-96EFFCF4159A}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Yodii.Script.Debugger.Tests", "Tests\Yodii.Script.Debugger.Tests\Yodii.Script.Debugger.Tests.csproj", "{04FE4BA4-34A8-4987-A3B5-E14B963F6BE7}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -34,11 +41,20 @@ Global
 		{270354A6-A0EE-4C0F-BF23-D5CAC4121DEC}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{270354A6-A0EE-4C0F-BF23-D5CAC4121DEC}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{270354A6-A0EE-4C0F-BF23-D5CAC4121DEC}.Release|Any CPU.Build.0 = Release|Any CPU
+		{576274A5-5FBF-4803-91DB-96EFFCF4159A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{576274A5-5FBF-4803-91DB-96EFFCF4159A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{576274A5-5FBF-4803-91DB-96EFFCF4159A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{576274A5-5FBF-4803-91DB-96EFFCF4159A}.Release|Any CPU.Build.0 = Release|Any CPU
+		{04FE4BA4-34A8-4987-A3B5-E14B963F6BE7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{04FE4BA4-34A8-4987-A3B5-E14B963F6BE7}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{04FE4BA4-34A8-4987-A3B5-E14B963F6BE7}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{04FE4BA4-34A8-4987-A3B5-E14B963F6BE7}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
 		{270354A6-A0EE-4C0F-BF23-D5CAC4121DEC} = {0453B444-D4D8-402E-A2CB-B5E0821B071C}
+		{04FE4BA4-34A8-4987-A3B5-E14B963F6BE7} = {0453B444-D4D8-402E-A2CB-B5E0821B071C}
 	EndGlobalSection
 EndGlobal

Yodii.Script.Debugger/BreakableVisitor.cs

@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Yodii.Script.Debugger
+{
+    /// <summary>
+    /// Basic class parsing an <see cref="Expr"/> into a list of atomic breakable <see cref="Expr"/>
+    /// </summary>
+    public class BreakableVisitor : ExprVisitor
+    {
+        readonly List<Expr> _breakableExprs = new List<Expr>();
+        /// <summary>
+        /// Reads the full AST, to find all breakable atomic <see cref="Expr"/>
+        /// </summary>
+        /// <param name="e">An Expr to parse as Breakables Exprs</param>
+        /// <returns></returns>
+        public override Expr VisitExpr( Expr e )
+        {
+            Console.WriteLine( e.ToString() );
+            if( e.IsBreakable ) _breakableExprs.Add( e );
+            return base.VisitExpr( e );
+        }
+        public IReadOnlyList<Expr> BreakableExprs
+        {
+            get { return _breakableExprs; }
+        }
+    }
+}

Yodii.Script.Debugger/BreakpointManagerDebugger.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Yodii.Script.Debugger
+{
+    class BreakPointManagerDebugger : BreakpointManager
+    {
+    }
+}