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Parse external constraints as UNSUPPORTED.

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This commit is contained in:
Wilson Snyder 2023-02-11 13:29:52 -05:00
parent daa545774e
commit e9441cff50
3 changed files with 16 additions and 7 deletions
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9
src/verilog.y
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@ -1263,7 +1263,7 @@ package_or_generate_item_declaration<nodep>: // ==IEEE: package_or_generate_i
| function_declaration { $$ = $1; }
//UNSUP checker_declaration { $$ = $1; }
| dpi_import_export { $$ = $1; }
//UNSUP extern_constraint_declaration { $$ = $1; }
| extern_constraint_declaration { $$ = $1; }
| class_declaration { $$ = $1; }
// // class_constructor_declaration is part of function_declaration
// // local_parameter_declaration under parameter_declaration
@ -6877,9 +6877,10 @@ dist_item<nodep>: // ==IEEE: dist_item + dist_weight
| value_range yP_COLONDIV expr { $$ = $1; /*UNSUP-no-UVM*/ }
;
//UNSUPextern_constraint_declaration: // ==IEEE: extern_constraint_declaration
//UNSUP constraintStaticE yCONSTRAINT class_scope_id constraint_block { }
//UNSUP ;
extern_constraint_declaration<nodep>: // ==IEEE: extern_constraint_declaration
constraintStaticE yCONSTRAINT packageClassScopeE idAny
{ $$ = nullptr; BBUNSUP($<fl>2, "Unsupported: extern constraint"); }
;
constraintStaticE<cbool>: // IEEE: part of extern_constraint_declaration
/* empty */ { $$ = false; }

6
test_regress/t/t_randomize.out
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@ -8,4 +8,10 @@
%Error-UNSUPPORTED: t/t_randomize.v:32:9: Unsupported: dist
32 | x dist { [100:102] :/ 1, 200 := 2, 300 := 5, 400};
| ^~~~
%Error-UNSUPPORTED: t/t_randomize.v:37:1: Unsupported: extern constraint
37 | constraint Packet::ex { header > 0 };
| ^~~~~~~~~~
%Error: t/t_randomize.v:37:23: syntax error, unexpected '{'
37 | constraint Packet::ex { header > 0 };
| ^
%Error: Exiting due to

8
test_regress/t/t_randomize.v
View File

@ -16,14 +16,14 @@ class Packet;
header < (64'h1 << length);
}
}
constraint b {
constraint c {
header >= length - 10;
header <= length;
}
constraint c {
constraint d {
foreach (in_use[i]) {
!(start_offset <= in_use[i].Xend_offsetX &&
start_offset + len - 1 >= in_use[i].Xstart_offsetX);
start_offset + length - 1 >= in_use[i].Xstart_offsetX);
}
}
constraint order { solve length before header; }
@ -34,6 +34,8 @@ class Packet;
endclass
constraint Packet::ex { header > 0 };
module t (/*AUTOARG*/);
Packet p;