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