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Restrict RTLIL::IdString to not contain whitespace or control chars.

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This is an existing invariant (most backends can't cope with these)
but one that was not checked or documented.
This commit is contained in:
whitequark 2020-05-27 05:20:39 +00:00
parent b651352193
commit efa7424fb9
2 changed files with 11 additions and 6 deletions
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8
kernel/rtlil.h
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@ -150,9 +150,6 @@ namespace RTLIL
if (!p[0])
return 0;
log_assert(p[0] == '$' || p[0] == '\\');
log_assert(p[1] != 0);
auto it = global_id_index_.find((char*)p);
if (it != global_id_index_.end()) {
#ifndef YOSYS_NO_IDS_REFCNT
@ -165,6 +162,11 @@ namespace RTLIL
return it->second;
}
log_assert(p[0] == '$' || p[0] == '\\');
log_assert(p[1] != 0);
for (const char *c = p; *c; c++)
log_assert((unsigned)*c > (unsigned)' ');
#ifndef YOSYS_NO_IDS_REFCNT
if (global_free_idx_list_.empty()) {
if (global_id_storage_.empty()) {