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rewrite smtlib pass to use SExpr class

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This commit is contained in:
Emily Schmidt 2024-07-10 14:28:48 +01:00
parent 80582ed3af
commit 9f660b1e4b
3 changed files with 398 additions and 378 deletions
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45
kernel/functionalir.h
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@ -30,6 +30,7 @@ USING_YOSYS_NAMESPACE
YOSYS_NAMESPACE_BEGIN
class FunctionalIR {
public:
enum class Fn {
invalid,
buf,
@ -69,7 +70,6 @@ class FunctionalIR {
memory_read,
memory_write
};
public:
class Sort {
std::variant<int, std::pair<int, int>> _v;
public:
@ -185,6 +185,7 @@ public:
else
return std::string("\\n") + std::to_string(id());
}
Fn fn() const { return _ref.function().fn(); }
Sort sort() const { return _ref.attr().sort; }
int width() const { return sort().width(); }
Node arg(int n) const { return Node(_ref.arg(n)); }
@ -380,16 +381,22 @@ public:
};
namespace FunctionalTools {
class Scope {
const char *_illegal_characters;
template<class Id> class Scope {
protected:
char substitution_character = '_';
virtual bool is_character_legal(char) = 0;
private:
pool<std::string> _used_names;
dict<int, std::string> _by_id;
dict<IdString, std::string> _by_name;
std::string allocate_name(IdString suggestion) {
dict<Id, std::string> _by_id;
public:
void reserve(std::string name) {
_used_names.insert(std::move(name));
}
std::string unique_name(IdString suggestion) {
std::string str = RTLIL::unescape_id(suggestion);
for(size_t i = 0; i < str.size(); i++)
if(strchr(_illegal_characters, str[i]))
str[i] = '_';
if(!is_character_legal(str[i]))
str[i] = substitution_character;
if(_used_names.count(str) == 0) {
_used_names.insert(str);
return str;
@ -402,32 +409,14 @@ namespace FunctionalTools {
}
}
}
public:
Scope(const char *illegal_characters = "", const char **keywords = nullptr) {
_illegal_characters = illegal_characters;
if(keywords != nullptr)
for(const char **p = keywords; *p != nullptr; p++)
reserve(*p);
}
void reserve(std::string name) {
_used_names.insert(std::move(name));
}
std::string operator()(int id, IdString suggestion) {
std::string operator()(Id id, IdString suggestion) {
auto it = _by_id.find(id);
if(it != _by_id.end())
return it->second;
std::string str = allocate_name(suggestion);
std::string str = unique_name(suggestion);
_by_id.insert({id, str});
return str;
}
std::string operator()(IdString idstring) {
auto it = _by_name.find(idstring);
if(it != _by_name.end())
return it->second;
std::string str = allocate_name(idstring);
_by_name.insert({idstring, str});
return str;
}
};
class Writer {
std::ostream *os;