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Add IdString::unescape() method

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We've already talked about adding this as an alternative to `log_id()`, and we'll
need it later in this PR.
This commit is contained in:
Robert O'Callahan 2026-01-28 18:13:12 +00:00
parent ac96f318ef
commit 577191e44d
1 changed files with 12 additions and 1 deletions
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13
kernel/rtlil.h
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@ -275,6 +275,17 @@ struct RTLIL::IdString
*out += std::to_string(-index_); *out += std::to_string(-index_);
} }
std::string unescape() const {
if (index_ < 0) {
// Must start with "$auto$" so no unescaping required.
return str();
}
std::string_view str = global_id_storage_.at(index_).str_view();
if (str.size() < 2 || str[0] != '\\' || str[1] == '$' || str[1] == '\\' || (str[1] >= '0' && str[1] <= '9'))
return std::string(str);
return std::string(str.substr(1));
}
class Substrings { class Substrings {
std::string_view first_; std::string_view first_;
int suffix_number; int suffix_number;
@ -758,7 +769,7 @@ namespace RTLIL {
} }
static inline std::string unescape_id(RTLIL::IdString str) { static inline std::string unescape_id(RTLIL::IdString str) {
return unescape_id(str.str()); return str.unescape();
} }
static inline const char *id2cstr(RTLIL::IdString str) { static inline const char *id2cstr(RTLIL::IdString str) {