/// <summary>
/// Adds a method with return type <paramref name="type"/> and attributes=Public|Final to this type.
/// </summary>
public static EasyMethod AddMethod(this CodeTypeDeclaration typeDecl, CodeTypeReference type, string name)
{
EasyMethod p = new EasyMethod(type, name);
typeDecl.Members.Add(p);
if (typeDecl.IsInterface == false)
{
p.Attributes = MemberAttributes.Public | MemberAttributes.Final;
}
return(p);
}
/// <summary>
/// Adds a method with return type <paramref name="type"/> and attributes=Public|Final to this type.
/// </summary>
public EasyMethod AddMethod(CodeTypeReference type, string name)
{
EasyMethod p = new EasyMethod(type, name);
this.Members.Add(p);
if (this.IsInterface == false) {
p.Attributes = MemberAttributes.Public | MemberAttributes.Final;
}
return p;
}
static bool AddVisitCode(EasyMethod m, FieldInfo field, CodeExpression var, List<CodeStatement> assertions, bool transformer)
{
CodeExpression prop = var.Property(GetPropertyName(field.Name));
CodeExpression nodeStack = Easy.Var("nodeStack");
if (field.FieldType.FullName.StartsWith("System.Collections.Generic.List")) {
Type elType = field.FieldType.GetGenericArguments()[0];
if (!typeof(INode).IsAssignableFrom(elType))
return false;
assertions.Add(AssertIsNotNull(prop));
string code;
if (transformer) {
code = CreateTransformerLoop(GetCode(prop), ConvertType(elType).BaseType);
} else {
code =
"\t\t\tforeach (" + ConvertType(elType).BaseType + " o in " + GetCode(prop) + ") {\n" +
"\t\t\t\tDebug.Assert(o != null);\n" +
"\t\t\t\to.AcceptVisitor(this, data);\n" +
"\t\t\t}";
}
m.Statements.Add(new CodeSnippetStatement(code));
return true;
}
if (!typeof(INode).IsAssignableFrom(field.FieldType))
return false;
assertions.Add(AssertIsNotNull(prop));
if (transformer) {
m.Statements.Add(nodeStack.InvokeMethod("Push", prop));
}
m.Statements.Add(prop.InvokeMethod("AcceptVisitor",
Easy.This,
Easy.Var("data")));
if (transformer) {
m.Body.Assign(prop, nodeStack.InvokeMethod("Pop").CastTo(ConvertType(field.FieldType)));
}
return true;
}
static void AddFieldVisitCode(EasyMethod m, Type type, CodeExpression var, List<CodeStatement> assertions, bool transformer)
{
if (type != null) {
if (type.BaseType != typeof(StatementWithEmbeddedStatement)) {
AddFieldVisitCode(m, type.BaseType, var, assertions, transformer);
}
foreach (FieldInfo field in type.GetFields(BindingFlags.Instance | BindingFlags.NonPublic)) {
AddVisitCode(m, field, var, assertions, transformer);
}
if (type.BaseType == typeof(StatementWithEmbeddedStatement)) {
AddFieldVisitCode(m, type.BaseType, var, assertions, transformer);
}
}
}
static bool AddVisitCode(EasyMethod m, FieldInfo field, CodeExpression var, List<CodeStatement> assertions, bool transformer)
{
CodeExpression prop = var.Property(GetPropertyName(field.Name));
CodeExpression nodeStack = Easy.Var("nodeStack");
if (field.FieldType.FullName.StartsWith("System.Collections.Generic.List")) {
Type elType = field.FieldType.GetGenericArguments()[0];
if (!typeof(INode).IsAssignableFrom(elType))
return false;
assertions.Add(IfNullSetFailure(prop));
string code;
string propertyName = GetCode(prop);
if (transformer) {
code = CreateTransformerLoop(propertyName, ConvertType(elType).BaseType);
} else {
code =
"\t\t\tif (" + propertyName + ".Count == data." + GetPropertyName(field.Name) + ".Count) {\n" +
"\t\t\tfor (int i=0; i<" + propertyName + ".Count;i++) {\n" +
"\t\t\t\t" + ConvertType(elType).BaseType + " o = " + propertyName + "[i];\n" +
"\t\t\t\tif(o == null){return SetFailure();}\n" + "\t\t\t\tif((bool)o.AcceptVisitor(this, data." + GetPropertyName(field.Name) + "[i]) == false) return SetFailure();\n" +
"\t\t\t}" +
"\t\t\t}" +
"\t\t\telse { return SetFailure(); }";
}
m.Statements.Add(new CodeSnippetStatement(code));
return true;
}
if (!typeof(INode).IsAssignableFrom(field.FieldType))
return false;
assertions.Add(IfNullSetFailure(prop));
if (transformer) {
m.Statements.Add(nodeStack.InvokeMethod("Push", prop));
}
m.Statements.Add(prop.InvokeMethod("AcceptVisitor",
Easy.This,
Easy.Var("data." + var.Property(GetPropertyName(field.Name)).PropertyName)));
if (transformer) {
m.Body.Assign(prop, nodeStack.InvokeMethod("Pop").CastTo(ConvertType(field.FieldType)));
}
return true;
}
