public static IType Parse(this CSharpParser.Class_typeContext context)
{
if (context.namespace_or_type_name() != null)
{
return(new NamedType(context.namespace_or_type_name().ParseAsType()));
}
else if (context.OBJECT() != null)
{
return(new InbuiltType(InbuiltType.Types.Object));
}
else if (context.DYNAMIC() != null)
{
return(new InbuiltType(InbuiltType.Types.Dynamic));
}
else if (context.STRING() != null)
{
return(new InbuiltType(InbuiltType.Types.String));
}
else
{
throw new NotSupportedException("Unknown class type " + context.GetText());
}
}
public override void ExitClass_type(CSharpParser.Class_typeContext context)
{
Console.WriteLine("Exiting class_type context.");
}
public override void EnterClass_definition(CSharpParser.Class_definitionContext context)
{
Console.WriteLine("Entering class_definition context.");
// Getting the current scope node:
Node currentScopeNode = ast.GetNode(symbolTable.CurrentScopeNode);
// Add class symbol to symbol table: parent class, owner class and other informations and add to node data:
// Getting the parent classes:
List <IToken> baseTokens = new List <IToken>(); // Will hold the base class tokens
// Getting the base classes' names identifiers:
CSharpParser.Class_baseContext classBaseCtx = context.class_base();
if (classBaseCtx != null)
{
CSharpParser.Class_typeContext classTypeCtx = classBaseCtx.class_type();
if (classTypeCtx != null)
{
CSharpParser.Namespace_or_type_nameContext typeNameCtx = classTypeCtx.namespace_or_type_name();
if (typeNameCtx != null)
{
CSharpParser.IdentifierContext[] typeIDCtxs = typeNameCtx.identifier();
foreach (CSharpParser.IdentifierContext id in typeIDCtxs)
{
baseTokens.Add(id.Start);
}
}
else
{
baseTokens.Add(typeNameCtx.Start);
}
}
}
// Getting the base classes' symbols:
Symbol[] baseSymbols = symbolTable.FindSymbols(baseTokens.ToArray(), ast);
List <ClassSymbol> baseClassSymbols = new List <ClassSymbol>();
foreach (Symbol bs in baseSymbols)
{
baseClassSymbols.Add((ClassSymbol)bs);
}
// Getting the class' modifiers:
Symbol.ModifierFlag modFlags = TreatModTokens();
modifiersTokens.Clear();
// Creating the class symbol:
ClassSymbol classSymbol = new ClassSymbol(modFlags, baseClassSymbols.ToArray());
// Adding the class node as a child to the current scope's AST node:
Type type = new Type(context.CLASS().Symbol);
Node classNode = new Node(context.CLASS().Symbol, Node.Kind.ClassDefinition, type);
int classNodeIndex = ast.NodeIndex(classNode);
currentScopeNode.AddChildIndex(classNodeIndex);
// Adding the class node:
ast.AddNode(classNode);
// Adding an identifier node as a class node child:
CSharpParser.IdentifierContext idCtx = context.identifier();
IToken idToken = idCtx.Start;
// Adding the class body node as a class node child:
CSharpParser.Class_bodyContext bodyCtx = context.class_body();
ClassType classType = new ClassType(idToken, ClassTag.Class, classSymbol);
symbolTable.AddType(classType);
Node bodyNode = new Node(idToken, Node.Kind.ClassBody, classType);
ast.AddNode(bodyNode);
int bodyNodeIndex = ast.NodeIndex(bodyNode);
classNode.AddChildIndex(bodyNodeIndex);
// Enter scope in the symbol table
symbolTable.EnterScope(bodyNodeIndex);
symbolTable.AddSymbol(idToken, classSymbol);
}
