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twine: start indexable colony with integer indices including preallocated twines

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This commit is contained in:
Emil J. Tywoniak 2026-06-10 13:46:28 +02:00
parent 8ab96a4285
commit 015ab4e45b
7 changed files with 482 additions and 696 deletions
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29
kernel/twine.cc
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@ -3,43 +3,24 @@
YOSYS_NAMESPACE_BEGIN
// std::vector<Twine> TwinePool::globals_;
constexpr inline std::array<Twine, STATIC_ID_END> globals_;
std::vector<Twine> TwinePool::globals_;
TwineRef twine_populate(std::string name) {
if (name[1] == '$') {
// Skip prepended '\'
name = name.substr(1);
}
TwinePool::globals_.push_back(Twine(name));
return &TwinePool::globals_.back();
TwinePool::globals_.push_back(Twine{std::move(name)});
return TwinePool::globals_.size() - 1;
}
void twine_prepopulate() {
int size = static_cast<short>(RTLIL::StaticId::STATIC_ID_END);
TwinePool::globals_.reserve(size);
TwinePool::globals_.push_back(Twine(""));
TwinePool::globals_.reserve(STATIC_TWINE_END);
TwinePool::globals_.push_back(Twine{std::string()});
#define X(_id) twine_populate("\\" #_id);
#include "kernel/constids.inc"
#undef X
}
#define X(N) constexpr TW TW::N{IDX_##N};
#include "kernel/constids.inc"
#undef X
TW::EnumType static_to_offset(TwineRef ref); {
size_t offset = ref - &TwinePool::globals_.front();
log_assert(offset > STATIC_TWINE_BEGIN);
log_assert(offset < STATIC_TWINE_END);
return (TW::EnumType)offset;
}
TwineRef offset_to_static(TW::EnumType offset) {
log_assert(offset > STATIC_TWINE_BEGIN);
log_assert(offset < STATIC_TWINE_END);
return &TwinePool::globals_[offset];
}
// enum : short
// {
// STATIC_ID_BEGIN = 0,