public virtual object VisitFixedStatement(FixedStatementStatement fixedStatement, object data)
{
stackMap.Push(fixedStatement);
fixedStatement.LocalPointers.AcceptVisitor(this, data);
fixedStatement.Statements.AcceptVisitor(this, data);
stackMap.Pop();
return(null);
}
private FixedStatementStatement ParseFixedStatement()
{
FixedStatementStatement ret = new FixedStatementStatement(curtok);
AssertAndAdvance(TokenID.Fixed);
AssertAndAdvance(TokenID.LParen);
// parse pointer-type fixed-pointer-declarators
ret.LocalPointers.Type = ParseType(false); // not sure about rank specifiers here...
//parse
// fixed-pointer-declarators:
// fixed-pointer-declarator
// fixed-pointer-declarators , fixed-pointer-declarator
//
// fixed-pointer-declarator:
// identifier = fixed-pointer-initializer
//
// fixed-pointer-initializer:
// & variable-reference
// expression
if (curtok.ID != TokenID.RParen)
{
while (true)
{
IdentifierExpression ident = (IdentifierExpression)ParseIdentifierOrKeyword(false, false, false, false, false);
AssertAndAdvance(TokenID.Equal);
ret.LocalPointers.AddDeclarator(ident, ParseExpression());
if (curtok.ID != TokenID.Comma)
break;
Advance();
}
}
AssertAndAdvance(TokenID.RParen);
ParseBlock(ret.Statements);
return ret;
}
private FixedStatementStatement ParseFixedStatement()
{
FixedStatementStatement ret = new FixedStatementStatement(curtok);
AssertAndAdvance(TokenID.Fixed);
AssertAndAdvance(TokenID.LParen);
// parse pointer-type fixed-pointer-declarators
ret.LocalPointers.Type = ParseType();
//parse
// fixed-pointer-declarators:
// fixed-pointer-declarator
// fixed-pointer-declarators , fixed-pointer-declarator
//
// fixed-pointer-declarator:
// identifier = fixed-pointer-initializer
//
// fixed-pointer-initializer:
// & variable-reference
// expression
while (curtok.ID != TokenID.RParen)
{
ret.LocalPointers.Identifiers.Expressions.Add( (IdentifierExpression)ParseIdentifierOrKeyword( false, false, false, false ) );
AssertAndAdvance(TokenID.Equal);
ret.LocalPointers.RightSide.Expressions.Add(ParseExpression(TokenID.Comma));
if (curtok.ID == TokenID.Comma)
{
Advance();
}
}
AssertAndAdvance(TokenID.RParen);
if (curtok.ID != TokenID.RCurly)
{
ParseBlock(ret.Statements);
}
else
{
Advance();
}
return ret;
}
public virtual object VisitFixedStatement(FixedStatementStatement fixedStatement, object data)
{
stackMap.Push(fixedStatement);
fixedStatement.LocalPointers.AcceptVisitor( this, data );
fixedStatement.Statements.AcceptVisitor( this, data );
stackMap.Pop();
return null;
}