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elab_expr: Support part select for enums inside of structs 

Fixes #1033

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
This commit is contained in:
Sylvain Munaut 2023-11-15 21:15:17 +01:00
parent d564cecfb9
commit e0b255f34f
1 changed files with 20 additions and 2 deletions
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22
elab_expr.cc
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@ -2486,8 +2486,8 @@ static NetExpr* check_for_struct_members(const LineInfo*li,
} else if (const netenum_t*tmp_enum = dynamic_cast<const netenum_t*> (member_type)) {
// If the element is an enum, then we don't have
// anything special to do.
// If the element is an enum, then we only need to check if
// there is a part select for it
if (debug_elaborate) {
cerr << li->get_fileline() << ": check_for_struct_members: "
<< "Tail element is an enum" << *tmp_enum
@ -2495,6 +2495,24 @@ static NetExpr* check_for_struct_members(const LineInfo*li,
}
struct_type = 0;
if (!member_comp.index.empty()) {
if (member_comp.index.size() > 1) {
cerr << li->get_fileline() << ": error: "
<< "Too many index expressions for enum member." << endl;
des->errors += 1;
return 0;
}
long tail_off = 0;
unsigned long tail_wid = 0;
bool rc = calculate_part(li, des, scope, member_comp.index.back(), tail_off, tail_wid);
if (! rc) return 0;
off += tail_off;
use_width = tail_wid;
}
} else if (const netvector_t*mem_vec = dynamic_cast<const netvector_t*>(member_type)) {
if (debug_elaborate) {