[sv-ac] Mantis 2005 - deferred assertions

Hi all,

 

I found a BNF problem in Mantis 2005 - Deferred assertions.

 

It is written in the BNF there:

 

module_common_item ::=

module_or_generate_item_declaration

| interface_instantiation

| program_instantiation

| concurrent_assertion_item

| deferred_immediate_assertion_statement

 

and

 

deferred_immediate_assertion_statement ::==

deferred_immediate_assert_statement

| deferred_immediate_assume_statement

| deferred_immediate_cover_statement

 

deferred_immediate_assert_statement ::==

assert #0 ( expression ) action_block

..

Therefore the standalone deferred assertion is not allowed to have a
label:

 

module m;

..

            a: assert #0 (b); // Illegal, can't have a label here

..

endmodule

 

 

The correct definition would be:

 

REPLACE

 

module_common_item ::=

module_or_generate_item_declaration

| interface_instantiation

| program_instantiation

| concurrent_assertion_item

| deferred_immediate_assertion_statement

 

WITH

 

module_common_item ::=

module_or_generate_item_declaration

| interface_instantiation

| program_instantiation

| concurrent_assertion_item

| deferred_immediate_assertion_statement

 

assertion_item ::= concurrent_assertion_item |
deferred_immediate_assertion_item

deferred_immediate_assertion_item ::= [ block_identifier : ]
deferred_immediate_assertion_statement

 

 

I suggest fixing it in the checker proposal.

 

What do you think?

Dmitry

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