/** From a chunk of text holding the definitions of the attributes,
* pull them apart and create an Attribute for each one. Add to
* the list of attributes for this scope. Pass in the character
* that terminates a definition such as ',' or ';'. For example,
*
* scope symbols {
* int n;
* List names;
* }
*
* would pass in definitions equal to the text in between {...} and
* separator=';'. It results in two Attribute objects.
*/
public virtual void AddAttributes( string definitions, int separator )
{
IList<string> attrs = new List<string>();
CodeGenerator.GetListOfArgumentsFromAction( definitions, 0, -1, separator, attrs );
foreach ( string a in attrs )
{
Attribute attr = new Attribute( a );
if ( !IsReturnScope && attr.InitValue != null )
{
ErrorManager.GrammarError( ErrorManager.MSG_ARG_INIT_VALUES_ILLEGAL,
_grammar,
_derivedFromToken,
attr.Name );
attr.InitValue = null; // wipe it out
}
for ( int i = 0; i <= _attributes.Count; i++ )
{
if ( i < _attributes.Count )
{
if ( _attributes[i].Name == attr.Name )
{
_attributes[i] = attr;
break;
}
}
else
{
_attributes.Add( attr );
// *must* break since the count changed
break;
//attributes.put( attr.Name, attr );
}
}
}
}
/** Check for collision of a rule-scope dynamic attribute with:
* arg, return value, rule name itself. Labels are checked elsewhere.
*/
public virtual void CheckForRuleScopeAttributeConflict( Rule r, Attribute attribute )
{
int msgID = 0;
object arg2 = null;
string attrName = attribute.Name;
if ( r.Name.Equals( attrName ) )
{
msgID = ErrorManager.MSG_ATTRIBUTE_CONFLICTS_WITH_RULE;
arg2 = r.Name;
}
else if ( ( r.returnScope != null && r.returnScope.GetAttribute( attrName ) != null ) ||
( r.parameterScope != null && r.parameterScope.GetAttribute( attrName ) != null ) )
{
msgID = ErrorManager.MSG_ATTRIBUTE_CONFLICTS_WITH_RULE_ARG_RETVAL;
arg2 = r.Name;
}
if ( msgID != 0 )
{
ErrorManager.GrammarError( msgID, grammar, r.tree.Token, attrName, arg2 );
}
}
public virtual void AddAttribute( string name, string decl )
{
Attribute attr = new Attribute( name, decl );
for ( int i = 0; i <= _attributes.Count; i++ )
{
if ( i < _attributes.Count )
{
if ( _attributes[i].Name == attr.Name )
{
_attributes[i] = attr;
break;
}
}
else
{
_attributes.Add( attr );
// *must* break since the count changed
break;
//attributes.put( name, new Attribute( name, decl ) );
}
}
}
