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Fix crash on virtual interfaces.

This commit is contained in:
Wilson Snyder 2020-11-27 20:02:17 -05:00
parent ed268805ce
commit cef7610b14
1 changed files with 4 additions and 2 deletions
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6
src/verilog.y
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@ -1837,8 +1837,10 @@ data_typeNoRef<dtypep>: // ==IEEE: data_type, excluding class_type etc referenc
// // IEEE has ['.' modport] but that will conflict with port
// // declarations which decode '.' modport themselves, so
// // instead see data_typeVar
| yVIRTUAL__INTERFACE yINTERFACE id/*interface*/ { $$ = nullptr; BBUNSUP($1, "Unsupported: virtual interface"); }
| yVIRTUAL__anyID id/*interface*/ { $$ = nullptr; BBUNSUP($1, "Unsupported: virtual data type"); }
| yVIRTUAL__INTERFACE yINTERFACE id/*interface*/
{ $$ = new AstBasicDType($1, AstBasicDTypeKwd::CHANDLE); BBUNSUP($1, "Unsupported: virtual interface"); }
| yVIRTUAL__anyID id/*interface*/
{ $$ = new AstBasicDType($1, AstBasicDTypeKwd::CHANDLE); BBUNSUP($1, "Unsupported: virtual data type"); }
| type_reference { $$ = $1; }
// // IEEE: class_scope: see data_type above
// // IEEE: class_type: see data_type above