[sv-ec] FW: [sv-bc] Conflicting class_new rule

________________________________
From: owner-sv-bc@server.eda.org [mailto:owner-sv-bc@server.eda.org] On Behalf Of Surya Pratik Saha
Sent: Thursday, March 26, 2009 3:20 PM
To: sv-bc@eda.org; sv-ec@eda.org
Subject: [sv-bc] Conflicting class_new rule

Hi,
Class new rule is defined in the LRM as:
class_new18 ::= new [ ( list_of_arguments ) | expression ]
And here is the definition of sub-rule:
list_of_arguments ::=
[ expression ] { , [ expression ] } { , . identifier ( [ expression ] ) }
| . identifier ( [ expression ] ) { , . identifier ( [ expression ] ) }

expression ::=
primary
[...]

primary ::=
primary_literal
[...]
| ( mintypmax_expression )

mintypmax_expression ::=
expression
| expression : expression : expression

So a new expression like 'new (1)' can be reached both by "new '(' list_of_arguments')'" rule and "new expression" rule. Which is conflicting. And also semantically 'expression' after 'new' just pointing to a class object. So I think a subset of expression is valid here. Is there any mantis regarding that?

--
Regards
Surya
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