public override void ExitDeclarator(CParser.DeclaratorContext context)
{
if (context.gccDeclaratorExtension().Count > 0)
{
throw new SemanticException("gcc Declarator Extensions not supported");
}
bool isPointer = context.pointer() != null;
CParser.DirectDeclaratorContext directDecltor = context.directDeclarator();
if (directDecltor.Identifier() != null)
{
CDeclaration.PushIdentifierDeclarator(isPointer, directDecltor.GetText());
}
else if (directDecltor.declarator() != null)
{
CDeclaration.NestedDeclarator(isPointer);
}
else if (directDecltor.GetText().EndsWith("*]"))
{
SematicError(context, "VLA not supported");
}
else
{
if (directDecltor.directDeclarator().Identifier() != null)
{
CDeclaration.PushIdentifierDeclarator(false, directDecltor.directDeclarator().GetText());
}
if (directDecltor.GetText().EndsWith(")"))
{
if (directDecltor.identifierList() != null)
{
SematicError(context, "old style (K&R) style functions not supported");
}
else if (directDecltor.parameterTypeList() != null)
{
CDeclaration.EndFunctionDeclarator(isPointer, GetParameterListCount(directDecltor.parameterTypeList().parameterList()));
}
else
{
CDeclaration.EndFunctionDeclarator(isPointer, 0);
}
}
else
{
bool hasAssgnExpr = directDecltor.assignmentExpression() != null;
int numTypeQualifiers = GetTypeQualifierListCount(directDecltor.typeQualifierList());
CDeclaration.ArrayDeclarator(isPointer, numTypeQualifiers, hasAssgnExpr);
}
}
}
//declarators
public override void EnterDeclarator(CParser.DeclaratorContext context)
{
//beginFunctionDeclarator
CParser.DirectDeclaratorContext directDecltor = context.directDeclarator();
if (directDecltor.GetText().EndsWith(")"))
{
if (directDecltor.identifierList() == null)
{
CDeclaration.BeginFunctionDeclarator();
}
}
}