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Fix bit selections under parameterized classes (#4210)

This commit is contained in:
Ryszard Rozak 2023-05-19 02:01:36 +02:00 committed by GitHub
parent 729f8b9334
commit 9da3aacd08
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 39 additions and 13 deletions
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7
src/V3LinkDot.cpp
View File

@ -2779,6 +2779,8 @@ private:
// may be true only in the first stage of linking.
// Mark that the Dot statement can't be resolved.
m_ds.m_unresolvedClass = true;
// If the symbol was a scope name, it would be resolved.
if (m_ds.m_dotPos == DP_SCOPE) m_ds.m_dotPos = DP_MEMBER;
} else {
// Cells/interfaces can't be implicit
const bool isCell = foundp ? VN_IS(foundp->nodep(), Cell) : false;
@ -3173,6 +3175,11 @@ private:
void visit(AstSelBit* nodep) override {
if (nodep->user3SetOnce()) return;
iterateAndNextNull(nodep->fromp());
if (m_ds.m_unresolvedClass) {
UASSERT_OBJ(m_ds.m_dotPos != DP_SCOPE, nodep,
"Object of unresolved class on scope position in dotted reference");
return;
}
if (m_ds.m_dotPos
== DP_SCOPE) { // Already under dot, so this is {modulepart} DOT {modulepart}
UINFO(9, " deferring until after a V3Param pass: " << nodep << endl);

45
test_regress/t/t_class_extends_param.v
View File

@ -63,12 +63,23 @@ module t (/*AUTOARG*/
endfunction
endclass
class FooDict;
Foo q[int];
endclass
class ExtendFooDict#(type BASE=FooDict) extends BASE;
function int get_x_of_item(int i);
return q[i].x;
endfunction
endclass
Bar #() bar_foo_i;
Bar #(Baz) bar_baz_i;
ExtendBar extend_bar_i;
ExtendBar1 extend_bar1_i;
ExtendBarBaz extend_bar_baz_i;
ExtendExtendBar extend_extend_bar_i;
ExtendFooDict extend_foo_dict_i;
initial begin
bar_foo_i = new;
@ -77,18 +88,26 @@ module t (/*AUTOARG*/
extend_bar1_i = new;
extend_bar_baz_i = new;
extend_extend_bar_i = new;
if (bar_foo_i.get_x() == 1 && bar_foo_i.get_3() == 3 &&
bar_baz_i.get_x() == 2 && bar_baz_i.get_4() == 4 &&
extend_bar_i.get_x() == 1 && extend_bar_i.get_6() == 6 &&
extend_bar_i.get_x() == 1 && extend_bar_i.get_6() == 6 &&
extend_bar1_i.get_x() == 1 && extend_bar1_i.get_6() == 6 &&
extend_bar_baz_i.get_x() == 2 && extend_bar_baz_i.get_8() == 8 &&
extend_extend_bar_i.get_x() == 1 && extend_extend_bar_i.get_12() == 12) begin
$write("*-* All Finished *-*\n");
$finish;
end
else begin
$stop;
end
extend_foo_dict_i = new;
extend_foo_dict_i.q[1] = new;
if (bar_foo_i.get_x() != 1) $stop;
if (bar_foo_i.get_3() != 3) $stop;
if (bar_baz_i.get_x() != 2) $stop;
if (bar_baz_i.get_4() != 4) $stop;
if (extend_bar_i.get_x() != 1) $stop;
if (extend_bar_i.get_6() != 6) $stop;
if (extend_bar_i.get_x() != 1) $stop;
if (extend_bar_i.get_6() != 6) $stop;
if (extend_bar1_i.get_x() != 1) $stop;
if (extend_bar1_i.get_6() != 6) $stop;
if (extend_bar_baz_i.get_x() != 2) $stop;
if (extend_bar_baz_i.get_8() != 8) $stop;
if (extend_extend_bar_i.get_x() != 1) $stop;
if (extend_extend_bar_i.get_12() != 12) $stop;
if (extend_foo_dict_i.get_x_of_item(1) != 1) $stop;
$write("*-* All Finished *-*\n");
$finish;
end
endmodule