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Added query() API to ModIndex

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This commit is contained in:
Clifford Wolf 2014-08-03 15:00:38 +02:00
parent 75423169c5
commit 653edd7a2f
1 changed files with 46 additions and 8 deletions
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54
kernel/modtools.h
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@ -29,11 +29,11 @@ YOSYS_NAMESPACE_BEGIN
struct ModIndex : public RTLIL::Monitor
{
struct PortInfo {
const RTLIL::Cell* cell;
const RTLIL::IdString &port;
const int offset;
RTLIL::Cell* cell;
RTLIL::IdString port;
int offset;
PortInfo(RTLIL::Cell* _c, const RTLIL::IdString &_p, int _o) : cell(_c), port(_p), offset(_o) { }
PortInfo(RTLIL::Cell* _c, RTLIL::IdString _p, int _o) : cell(_c), port(_p), offset(_o) { }
bool operator<(const PortInfo &other) const {
if (cell != other.cell)
@ -57,13 +57,13 @@ struct ModIndex : public RTLIL::Monitor
std::map<RTLIL::SigBit, SigBitInfo> database;
bool auto_reload_module;
void port_add(RTLIL::Cell *cell, const RTLIL::IdString &port, const RTLIL::SigSpec &sig)
void port_add(RTLIL::Cell *cell, RTLIL::IdString port, const RTLIL::SigSpec &sig)
{
for (int i = 0; i < SIZE(sig); i++)
database[sigmap(sig[i])].ports.insert(PortInfo(cell, port, i));
}
void port_del(RTLIL::Cell *cell, const RTLIL::IdString &port, const RTLIL::SigSpec &sig)
void port_del(RTLIL::Cell *cell, RTLIL::IdString port, const RTLIL::SigSpec &sig)
{
for (int i = 0; i < SIZE(sig); i++)
database[sigmap(sig[i])].ports.erase(PortInfo(cell, port, i));
@ -122,14 +122,52 @@ struct ModIndex : public RTLIL::Monitor
auto_reload_module = true;
}
ModIndex(RTLIL::Module *_m) : module(_m) {
ModIndex(RTLIL::Module *_m) : module(_m)
{
auto_reload_module = true;
module->monitors.insert(this);
}
~ModIndex() {
~ModIndex()
{
module->monitors.erase(this);
}
SigBitInfo *query(RTLIL::SigBit bit)
{
if (auto_reload_module)
reload_module();
auto it = database.find(sigmap(bit));
if (it == database.end())
return nullptr;
else
return &it->second;
}
bool query_is_input(RTLIL::SigBit bit)
{
const SigBitInfo *info = query(bit);
if (info == nullptr)
return false;
return info->is_input;
}
bool query_is_output(RTLIL::SigBit bit)
{
const SigBitInfo *info = query(bit);
if (info == nullptr)
return false;
return info->is_output;
}
std::set<PortInfo> &query_ports(RTLIL::SigBit bit)
{
static std::set<PortInfo> empty_result_set;
SigBitInfo *info = query(bit);
if (info == nullptr)
return empty_result_set;
return info->ports;
}
};
struct ModWalker