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/*
* yosys -- Yosys Open SYnthesis Suite
*
* Copyright (C) 2024 Jannis Harder <jix@yosyshq.com> <me@jix.one>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#include "kernel/scopeinfo.h"
YOSYS_NAMESPACE_BEGIN
template <typename I, typename Filter> void ModuleHdlnameIndex::index_items(I begin, I end, Filter filter)
{
for (; begin != end; ++begin) {
auto const &item = *begin;
if (!filter(item))
continue;
std::vector<IdString> path = parse_hdlname(item);
if (!path.empty())
lookup.emplace(item, tree.insert(path, item));
}
}
void ModuleHdlnameIndex::index()
{
index_wires();
index_cells();
}
void ModuleHdlnameIndex::index_wires()
{
auto wires = module->wires();
index_items(wires.begin(), wires.end(), [](Wire *) { return true; });
}
void ModuleHdlnameIndex::index_cells()
{
auto cells = module->cells();
index_items(cells.begin(), cells.end(), [](Cell *) { return true; });
}
void ModuleHdlnameIndex::index_scopeinfo_cells()
{
auto cells = module->cells();
index_items(cells.begin(), cells.end(), [](Cell *cell) { return cell->type == ID($scopeinfo); });
}
std::vector<std::string> ModuleHdlnameIndex::scope_sources(Cursor cursor)
{
std::vector<std::string> result;
for (; !cursor.is_root(); cursor = cursor.parent()) {
if (!cursor.has_entry()) {
result.push_back("");
result.push_back("");
continue;
}
Cell *cell = cursor.entry().cell();
if (cell == nullptr || cell->type != ID($scopeinfo)) {
result.push_back("");
result.push_back("");
continue;
}
result.push_back(scopeinfo_get_attribute(cell, ScopeinfoAttrs::Module, ID::src).decode_string());
result.push_back(scopeinfo_get_attribute(cell, ScopeinfoAttrs::Cell, ID::src).decode_string());
}
result.push_back(module->get_src_attribute());
std::reverse(result.begin(), result.end());
return result;
}
static const char *attr_prefix(ScopeinfoAttrs attrs)
{
switch (attrs) {
case ScopeinfoAttrs::Cell:
return "\\cell_";
case ScopeinfoAttrs::Module:
return "\\module_";
default:
log_abort();
}
}
bool scopeinfo_has_attribute(const RTLIL::Cell *scopeinfo, ScopeinfoAttrs attrs, const RTLIL::IdString &id)
{
log_assert(scopeinfo->type == ID($scopeinfo));
return scopeinfo->has_attribute(attr_prefix(attrs) + RTLIL::unescape_id(id));
}
RTLIL::Const scopeinfo_get_attribute(const RTLIL::Cell *scopeinfo, ScopeinfoAttrs attrs, const RTLIL::IdString &id)
{
log_assert(scopeinfo->type == ID($scopeinfo));
auto found = scopeinfo->attributes.find(attr_prefix(attrs) + RTLIL::unescape_id(id));
if (found == scopeinfo->attributes.end())
return RTLIL::Const();
return found->second;
}
dict<RTLIL::IdString, RTLIL::Const> scopeinfo_attributes(const RTLIL::Cell *scopeinfo, ScopeinfoAttrs attrs)
{
dict<RTLIL::IdString, RTLIL::Const> attributes;
const char *prefix = attr_prefix(attrs);
int prefix_len = strlen(prefix);
for (auto const &entry : scopeinfo->attributes)
if (entry.first.begins_with(prefix))
attributes.emplace(RTLIL::escape_id(entry.first.c_str() + prefix_len), entry.second);
return attributes;
}
YOSYS_NAMESPACE_END
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