public void TestDefaultProperty()
{
var c = new CodeDomGenerator();
c.AddNamespace("Samples").AddClass(Define.Class("ee", TypeAttributes.Public, true)
.AddMember(Define.GetProperty(new CodeTypeReference(typeof(string)), MemberAttributes.Family,
(int idx) => "prop", true,
Emit.@return((int idx) => idx.ToString())
))
.AddMember(Define.Property(new CodeTypeReference(typeof(string)), MemberAttributes.Family,
(int idx) => "prop2", false,
CodeDom.CombineStmts(Emit.@return((int idx) => idx.ToString())),
Emit.declare("i", (int idx) => idx)
))
);
Console.WriteLine(c.GenerateCode(CodeDomGenerator.Language.VB));
Console.WriteLine(c.GenerateCode(CodeDomGenerator.Language.CSharp));
var ass = c.Compile(null, CodeDomGenerator.Language.VB);
Assert.IsNotNull(ass);
Type eeClass = ass.GetType("Samples.ee");
Assert.IsNotNull(eeClass);
}
public void Builder_Interface()
{
var c = new CodeDomGenerator();
c.AddNamespace("Samples")
.AddClass(Define.Class("TestClass", TypeAttributes.Public)
.Implements(typeof(IDisposable))
.AddMethod(MemberAttributes.Private, () => "Dispose",
Emit.@throw(() => new NotImplementedException())
).Implements(typeof(IDisposable))
).AddInterface(Define.Interface("Ixxx")
.AddMethod(MemberAttributes.Public, () => "First")
.AddMethod(MemberAttributes.Public, typeof(DateTime), () => "Second")
.AddProperty("TestClass", MemberAttributes.Public, "Third")
.AddGetProperty("TestClass", MemberAttributes.Public, "Fifth")
.AddEvent(typeof(EventHandler), MemberAttributes.Public, "Fourth")
).AddClass("xxx").Implements(new CodeTypeReference("Ixxx"))
.AddMethod(MemberAttributes.Private, () => "First",
Emit.@throw(() => new NotImplementedException())
).Implements(new CodeTypeReference("Ixxx"))
.AddMethod(MemberAttributes.Public, typeof(DateTime), () => "Second",
Emit.@throw(() => new NotImplementedException())
).Implements(new CodeTypeReference("Ixxx"))
.AddProperty("TestClass", MemberAttributes.Public, "Third",
CodeDom.CombineStmts(Emit.@throw(() => new NotImplementedException())),
Emit.@throw(() => new NotImplementedException())
).Implements("Ixxx")
.AddGetProperty("TestClass", MemberAttributes.Public, "Fifth",
Emit.@throw(() => new NotImplementedException())
).Implements(new CodeTypeReference("Ixxx"))
.AddEvent(typeof(EventHandler), MemberAttributes.Public, "Fourth"
).Implements("Ixxx")
.AddField(typeof(int), "_z", () => 100)
;
Console.WriteLine(c.GenerateCode(CodeDomGenerator.Language.CSharp));
Console.WriteLine(c.GenerateCode(CodeDomGenerator.Language.VB));
var ass = c.Compile();
Assert.IsNotNull(ass);
Type TestClass = ass.GetType("Samples.TestClass");
Assert.IsNotNull(TestClass);
ass = c.Compile(CodeDomGenerator.Language.VB);
Assert.IsNotNull(ass);
TestClass = ass.GetType("Samples.xxx");
Assert.IsNotNull(TestClass);
}
public void Builder_Property()
{
var c = new CodeDomGenerator();
c.AddNamespace("Samples").AddClass(Define.Class("TestClass")
.AddFields(
Define.Field(MemberAttributes.Private, typeof(string), "_s")
)
.AddProperty(
Define.Property(typeof(string), MemberAttributes.Public, "Test",
CodeDom.CombineStmts(Emit.@return(() => [email protected] <string>("_s"))),
Emit.assignField("_s", (string value) => value)
)
)
.AddProperty(
Define.Property(typeof(string), MemberAttributes.Public, "Test2", "_s")
)
.AddProperty(typeof(string), MemberAttributes.Public, "Test3", "_s")
.AddProperty("TestClass", MemberAttributes.Public, "Test4",
CodeDom.CombineStmts(Emit.@return(() => CodeDom.@this)),
Emit.@throw(() => new NotImplementedException(
CodeDom.Property <string>(CodeDom.VarRef("value"), "Test")
))
)
.AddMethod(MemberAttributes.Public, typeof(string), (int a) => "Test1",
Emit.assignProperty("Test", () => Guid.NewGuid().ToString()),
Emit.@return((int a) =>
a.ToString() + [email protected] <string>("Test")))
);
Console.WriteLine(c.GenerateCode(CodeDomGenerator.Language.CSharp));
Console.WriteLine(c.GenerateCode(CodeDomGenerator.Language.VB));
var ass = c.Compile();
Assert.IsNotNull(ass);
Type TestClass = ass.GetType("Samples.TestClass");
Assert.IsNotNull(TestClass);
object t = TestClass.InvokeMember(null, System.Reflection.BindingFlags.CreateInstance, null, null, null);
Assert.IsNotNull(t);
string s = TestClass.InvokeMember("Test1", System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.InvokeMethod, null, t,
new object[] { 4 }) as string;
Assert.IsNotNull(s);
string TestProperty = s.Substring(1);
Assert.AreEqual(TestProperty, TestClass.InvokeMember("Test", System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.GetProperty, null, t, null));
}
public void TypeOfExpression()
{
var c = new CodeDomGenerator();
c.AddNamespace("Samples").AddClass("cls")
.AddMethod(MemberAttributes.Static | MemberAttributes.Public, typeof(string), (object o) => "foo",
Emit.ifelse((object o) => o.GetType() == typeof(int),
CodeDom.CombineStmts(Emit.@return(() => "int")),
Emit.@return(() => "other")))
;
Console.WriteLine(c.GenerateCode(CodeDomGenerator.Language.CSharp));
Console.WriteLine(c.GenerateCode(CodeDomGenerator.Language.VB));
var ass = c.Compile();
Assert.IsNotNull(ass);
Type TestClass = ass.GetType("Samples.cls");
Assert.IsNotNull(TestClass);
}
private CodeCompileUnit GenerateModificationTracker(WXMLModel model, WXMLCodeDomGeneratorSettings setting)
{
var c = new CodeDomGenerator();
string mtName = "LinqModificationTracker";
var cls = c.AddNamespace(model.Namespace).AddClass(mtName);
_ctxName = model.Namespace + "." + model.LinqSettings.ContextName;
_mtName = model.Namespace + "." + mtName;
string conn = ConfigurationManager.ConnectionStrings["wms"].ConnectionString;
cls.Implements(typeof(IModificationTracker))
.AddEnum("ActionEnum")
.AddFields(
Define.StructField("Update"),
Define.StructField("Insert"),
Define.StructField("Delete")
);
cls.AddField("_changed", () => new List <object>());
cls.AddField("_deleted", () => new List <object>());
var tableType = new CodeTypeReference(typeof(System.Data.Linq.Table <>));
tableType.TypeArguments.Add(new CodeTypeReference("T"));
cls
.AddMethod(MemberAttributes.Public | MemberAttributes.Final, (ParamArray <object> entities) => "Add",
Emit.stmt((List <object> _changed, object[] entities) => _changed.AddRange(entities)))
.Implements(typeof(IModificationTracker))
.AddMethod(MemberAttributes.Public | MemberAttributes.Final, (ParamArray <object> entities) => "Delete",
Emit.stmt((List <object> _deleted, object[] entities) => _deleted.AddRange(entities)))
.Implements(typeof(IModificationTracker))
.AddMethod(MemberAttributes.Public | MemberAttributes.Final, () => "AcceptModifications",
Emit.@using(new CodeTypeReference(_ctxName), "ctx", () => CodeDom.@new(_ctxName, conn),
Emit.@foreach("entity", () => [email protected] <IEnumerable <object> >("_changed"),
Emit.stmt((object entity) => [email protected]("SyncEntity")(CodeDom.VarRef("ctx"), entity, false))
),
Emit.@foreach("entity", () => [email protected] <IEnumerable <object> >("_deleted"),
Emit.stmt((object entity) => [email protected]("SyncEntity")(CodeDom.VarRef("ctx"), entity, true))
),
Emit.stmt(() => CodeDom.VarRef("ctx").Call("SubmitChanges")),
Emit.@foreach("entity", () => [email protected] <IEnumerable <object> >("_changed"),
Emit.stmt((object entity) => [email protected]("AcceptChanges")(entity))
),
Emit.stmt(() => [email protected] <List <object> >("_changed").Clear()),
Emit.@foreach("entity", () => [email protected] <IEnumerable <object> >("_deleted"),
Emit.stmt((object entity) => [email protected]("AcceptChanges")(entity))
),
Emit.stmt(() => [email protected] <List <object> >("_deleted").Clear())
)
).Implements(typeof(IModificationTracker))
.AddMethod(MemberAttributes.Private, () => "Dispose").Implements(typeof(IDisposable))
.AddMethod(MemberAttributes.Private, (object entity) => "AcceptChanges",
Emit.declare("mi", (object entity) => entity.GetType().GetMethod("AcceptChanges")),
Emit.@if(() => CodeDom.VarRef("mi") != null,
Emit.stmt((MethodInfo mi, object entity) => mi.Invoke(entity, null))
)
)
.AddMethod(MemberAttributes.Private, (DynType ctx, object entity, bool delete) => "SyncEntity" + ctx.SetType(_ctxName),
Emit.@foreach("mi", () => [email protected] <Type>("GetType")().GetMethods(BindingFlags.NonPublic | BindingFlags.Static),
Emit.@if((bool delete, MethodInfo mi, object entity) =>
((delete && mi.Name == "_DelEntity") || (!delete && mi.Name == "_SyncEntity")) && mi.GetParameters().Count() == 2 && mi.GetParameters().Last().ParameterType == entity.GetType(),
Emit.stmt((MethodInfo mi, object entity) => mi.Invoke(null, BindingFlags.Static, null, new object[] { CodeDom.VarRef("ctx"), entity }, null)),
Emit.exitFor()
)
)
)
.AddMethod(MemberAttributes.Private | MemberAttributes.Static, (DynType p, DynType action, DynType table) => "SyncEntity" + p.SetType("T") + action.SetType("ActionEnum") + table.SetType(tableType),
Emit.ifelse(() => CodeDom.VarRef("action") == CodeDom.Field(new CodeTypeReference("ActionEnum"), "Insert"),
CodeDom.CombineStmts(Emit.stmt(() => CodeDom.VarRef("table").Call("InsertOnSubmit")(CodeDom.VarRef("p")))),
Emit.ifelse(() => CodeDom.VarRef("action") == CodeDom.Field(new CodeTypeReference("ActionEnum"), "Delete"),
CodeDom.CombineStmts(
Emit.stmt(() => CodeDom.VarRef("table").Call("Attach")(CodeDom.VarRef("p"))),
Emit.stmt(() => CodeDom.VarRef("table").Call("DeleteOnSubmit")(CodeDom.VarRef("p")))
),
Emit.stmt(() => CodeDom.VarRef("table").Call("Attach")(CodeDom.VarRef("p"), true))
)
)
).Generic("T", typeof(object))
;
WXMLCodeDomGeneratorNameHelper n = new WXMLCodeDomGeneratorNameHelper(setting);
foreach (var entity in model.GetActiveEntities())
{
if (entity.GetPkProperties().Count() == 1)
{
//string entityName = entity.Name;
string entityProp = WXMLCodeDomGeneratorNameHelper.GetMultipleForm(entity.Name);
string entityType = n.GetEntityClassName(entity, true);
string pkName = entity.GetPkProperties().Single().Name;
cls.AddMethod(MemberAttributes.Static | MemberAttributes.Private,
(DynType ctx, DynType p) => "_DelEntity" + ctx.SetType(_ctxName) + p.SetType(entityType),
Emit.stmt(() => CodeDom.Call(null, "SyncEntity", new CodeTypeReference(entityType))(
CodeDom.VarRef("p"),
CodeDom.Field(new CodeTypeReference("ActionEnum"), "Delete"),
CodeDom.VarRef("ctx").Property(entityProp))
)
)
.AddMethod(MemberAttributes.Static | MemberAttributes.Private,
(DynType ctx, DynType p) => "_SynEntity" + ctx.SetType(_ctxName) + p.SetType(entityType),
Emit.stmt(() => CodeDom.Call(null, "SyncEntity", new CodeTypeReference(entityType))(
CodeDom.VarRef("p"),
CodeDom.VarRef("p").Field <int>(pkName) == 0 ? CodeDom.Field(new CodeTypeReference("ActionEnum"), "Insert") : CodeDom.Field(new CodeTypeReference("ActionEnum"), "Update"),
CodeDom.VarRef("ctx").Property(entityProp))
)
)
;
}
}
string debug = c.GenerateCode(CodeDomGenerator.Language.CSharp);
return(c.GetCompileUnit(CodeDomGenerator.Language.CSharp));
}
public void Builder_If()
{
var c = new CodeDomGenerator();
c.AddNamespace("Samples").AddClass(Define.Class("TestClass")
.AddMethod(
Define.Method(MemberAttributes.Public | MemberAttributes.Static, typeof(int), (int a) => "Test",
Emit.ifelse((int a) => a == 10,
CodeDom.CombineStmts(Emit.@return(() => 1)),
Emit.@return(() => - 1)
))
)
.AddMethod(
Define.Method(MemberAttributes.Public | MemberAttributes.Static, typeof(int), (int a) => "Test2",
Emit.ifelse((int a) => a < 10,
CodeDom.CombineStmts(Emit.@return(() => 1)),
Emit.@return(() => - 1)
))
)
.AddMethod(
Define.Method(MemberAttributes.Public | MemberAttributes.Static, typeof(int), (int a) => "Test3",
Emit.ifelse((int a) => a * 3 < 7,
CodeDom.CombineStmts(Emit.@return(() => 1)),
Emit.@return(() => - 1)
))
)
.AddMethod(
Define.Method(MemberAttributes.Public | MemberAttributes.Static, typeof(int), (int a) => "Test4",
Emit.ifelse((int a) => Math.Abs(a) * 3 < 7 + Math.Min(4, a),
CodeDom.CombineStmts(Emit.@return(() => 1)),
Emit.@return(() => - 1)
))
)
);
Console.WriteLine(c.GenerateCode(CodeDomGenerator.Language.CSharp));
Console.WriteLine(c.GenerateCode(CodeDomGenerator.Language.VB));
Assert.AreEqual(1, c.Compile().GetType("Samples.TestClass").GetMethod("Test")
.Invoke(null, new object[] { 10 }));
Assert.AreEqual(-1, c.Compile().GetType("Samples.TestClass").GetMethod("Test")
.Invoke(null, new object[] { 100 }));
Assert.AreEqual(1, c.Compile().GetType("Samples.TestClass").GetMethod("Test2")
.Invoke(null, new object[] { 7 }));
Assert.AreEqual(-1, c.Compile().GetType("Samples.TestClass").GetMethod("Test2")
.Invoke(null, new object[] { 100 }));
Assert.AreEqual(-1, c.Compile().GetType("Samples.TestClass").GetMethod("Test3")
.Invoke(null, new object[] { 10 }));
Assert.AreEqual(1, c.Compile().GetType("Samples.TestClass").GetMethod("Test3")
.Invoke(null, new object[] { 2 }));
Assert.AreEqual(1, c.Compile().GetType("Samples.TestClass").GetMethod("Test4")
.Invoke(null, new object[] { 2 }));
Assert.AreEqual(-1, c.Compile().GetType("Samples.TestClass").GetMethod("Test4")
.Invoke(null, new object[] { -10 }));
}
