public override object VisitDirectDeclarator(CParser.DirectDeclaratorContext context)
{
skipWhitespaces();
var mark = Builder.Mark();
VisitChildren(context);
Builder.Done(mark, SpringCompositeNodeWithArgumentType.VAR_DECLARATION, context);
return(null);
}
public SpringVariableDeclarationElement(CParser.DirectDeclaratorContext ctx)
{
context = ctx;
var ctxIdentifier = ctx.Identifier();
if (ctxIdentifier != null)
{
name = ctxIdentifier.GetText();
}
DeclaredElement = new CVariableDeclared(this);
}
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();
}
}
}
public override Unit VisitDirectDeclarator(CParser.DirectDeclaratorContext context)
{
if (context.Identifier() != null)
{
_builder.ResetCurrentLexeme(context.SourceInterval.a, context.SourceInterval.a);
var mark = _builder.Mark();
base.VisitChildren(context);
_builder.Done(mark, SpringDeclarationNodeElement.NODE_TYPE, context);
}
else
{
VisitChildren(context);
}
return(Unit.Instance);
}
public override void ExitDirectDeclarator([NotNull] CParser.DirectDeclaratorContext context)
{
var text = context.GetText();
var token = context.Start;
//
// directDeclarator is used for the routine name and individual parameters. Sometimes, a directDeclarator will be nested, if so then
// we don't want this node
//
if (context.ChildCount == 1)
{
//
// Determine if this is the routine name or a parameter name
//
if (in_params_list)
{
cur_parameter.param_name = text;
Console.Write($" {text}"); // Parameter name
}
else
{
function_def.func_name = text;
Console.WriteLine($"{text}"); // Routine name
}
}
else
{
//
// Look for an empty parameter list, e.g. bool rtn ();
//
if ((context.children [context.ChildCount - 1].GetText() == ")") && (context.children [context.ChildCount - 2].GetText() == "("))
{
function_def.parameters.Clear();
Console.WriteLine("();\n");
}
}
} // End ExitDirectDeclarator
