public GeneratedFile[] Generate(SyntaxNode input)
{
YRoot root = new YRoot();
// Namespaces:
foreach (var inputNamespace in input.ChildNodes().OfType <NamespaceDeclarationSyntax>())
{
var @namespace = new YNamespace(inputNamespace.GetName());
root.AddChild(@namespace);
ProcessInterfaces(@namespace, inputNamespace);
ProcessClasses(@namespace, inputNamespace);
}
List <GeneratedFile> files = new List <GeneratedFile>();
foreach (var unit in _generationUnits)
{
unit.Compile(root);
files.Add(unit.GeneratedSourceFile());
files.Add(unit.GeneratedHeaderFile());
}
return(files.ToArray());
}
internal protected override void Visit(StringBuilder builder, YNamespace @namespace)
{
builder.Replace(
ConstructorsMark,
"using namespace " + @namespace.Name + ";\n\n" + ConstructorsMark
);
}
protected override void Visit(YNamespace @namespace)
{
// Simplified guard: no nesting supported, no optimized.
if (_w.Class.ChildOf(@namespace))
{
_w.Visit(_w._builder, @namespace);
}
}
protected virtual void Visit(YNamespace @namespace)
{
}
internal protected override void Visit(StringBuilder builder, YNamespace @namespace)
{
builder.Append("namespace " + @namespace.Name + "{");
_nestedLevels.Add(@namespace);
}
internal protected virtual void Visit(StringBuilder builder, YNamespace @namespace)
{
}
void ProcessInterfaces(YNamespace @namespace, NamespaceDeclarationSyntax inputNamespace)
{
// Interfaces:
foreach (var inputInterace in inputNamespace.ChildNodes().OfType <InterfaceDeclarationSyntax>())
{
var interfaceName = inputInterace.GetName();
if (interfaceName == "")
{
continue;
}
var @interface = new YClass(interfaceName);
@namespace.AddChild(@interface);
_generationUnits.Add(new GenerationUnit(@interface));
// Methods:
foreach (var inputMethod in inputInterace.ChildNodes().OfType <MethodDeclarationSyntax>())
{
var name = inputMethod.Identifier.ToString();
var methodReturnType = inputMethod.ReturnType;
var parameterList = inputMethod.ParameterList;
YMethod method;
// Signature:
if (parameterList.Parameters.Count() <= 0)
{
method = new YMethod(name, inputMethod.ReturnType.GetYType());
}
else
{
var @params = new List <YParameter>();
foreach (var p in parameterList.Parameters)
{
@params.Add(new YParameter(p.GetName(), p.Type.GetYType()));
}
method = new YMethod(name, inputMethod.ReturnType.GetYType(), @params.ToArray());
}
// Body:
// all methods of an interface are public and pure by default
method.IsPure = true;
method.Visibility = YVisibility.Public;
@interface.AddChild(method);
}
// Misc:
var destructor = new YDestructor();
destructor.IsVirtual = true;
destructor.Visibility = YVisibility.Public;
destructor.Body = new YBlock();
@interface.AddChild(destructor);
}
}
void ProcessClasses(YNamespace @namespace, NamespaceDeclarationSyntax inputNamespace)
{
// Classes:
foreach (var inputClass in inputNamespace.ChildNodes().OfType <ClassDeclarationSyntax>())
{
var className = inputClass.GetName();
if (className == "")
{
continue;
}
var @class = new YClass(className);
@namespace.AddChild(@class);
_generationUnits.Add(new GenerationUnit(@class));
// Fields:
foreach (var inputField in inputClass.ChildNodes().OfType <FieldDeclarationSyntax>())
{
var declaration = inputField.Declaration;
var declarationType = declaration.Type;
var variables = declaration.Variables;
if (variables.Count == 1)
{
var variable = variables[0];
var field = new YField()
{
Type = declarationType.GetYType(),
Name = variable.GetName()
};
field.Visibility = inputField.Modifiers.GetYVisibility();
// expresions: literal
// todo process negative numbers
if (variable.Initializer?.Value is LiteralExpressionSyntax)
{
var literalExperssion = (LiteralExpressionSyntax)variable.Initializer.Value;
if (literalExperssion.Token.Value is int)
{
field.Value = new YConstExpr((int)literalExperssion.Token.Value);
}
}
@class.AddChild(field);
}
else
{
throw new TException("Unsupported");
}
}
// Methods:
foreach (var inputMethod in inputClass.ChildNodes().OfType <MethodDeclarationSyntax>())
{
var name = inputMethod.Identifier.ToString();
var methodReturnType = inputMethod.ReturnType;
var parameterList = inputMethod.ParameterList;
YMethod method;
// Signature:
if (parameterList.Parameters.Count() <= 0)
{
method = new YMethod(name, inputMethod.ReturnType.GetYType());
}
else
{
var @params = new List <YParameter>();
foreach (var p in parameterList.Parameters)
{
@params.Add(new YParameter(p.GetName(), p.Type.GetYType()));
}
method = new YMethod(name, inputMethod.ReturnType.GetYType(), @params.ToArray());
}
// Body:
method.Visibility = inputMethod.Modifiers.GetYVisibility();
method.Body = ProcessStatement(inputMethod.Body);
@class.AddChild(method);
}
}
}