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pass jny: fixed the string escape method to be less jank and more proper

This commit is contained in:
Aki Van Ness 2022-02-17 11:35:45 -05:00 committed by N. Engelhardt
parent 52ea944012
commit 43b2fc5566
1 changed files with 58 additions and 21 deletions
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79
backends/jny/jny.cc
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@ -24,6 +24,7 @@
#include "kernel/cellaigs.h"
#include "kernel/log.h"
#include <string>
#include <algorithm>
#include <unordered_map>
#include <vector>
@ -42,18 +43,54 @@ struct JnyWriter
bool _include_attributes;
bool _include_properties;
// XXX(aki): this was pulled from the json backend, needs to be pulled
// out possibly into some sort of utilities file, or integrated into rtlil.h
// directly
string get_string(string str)
{
string newstr = "\"";
for (char c : str) {
if (c == '\\')
newstr += c;
newstr += c;
string escape_string(string str) {
std::string newstr;
auto itr = str.begin();
for(; itr != str.end(); ++itr) {
switch (*itr) {
case '\\': {
newstr += *itr++;
newstr += *itr;
break;
} case '\n': {
newstr += "\\n";
break;
} case '\f': {
newstr += "\\f";
break;
} case '\v': {
newstr += "\\v";
break;
} case '\t': {
newstr += "\\t";
break;
} case '\a': {
newstr += "\\a";
break;
} case '\r': {
newstr += "\\r";
break;
} case '\"': {
newstr += "\\\"";
break;
} case '\'': {
newstr += "\\\'";
break;
} case '\b': {
newstr += "\\b";
break;
} case '\?': {
newstr += "\\?";
break;
} default: {
newstr += *itr;
}
return newstr + "\"";
}
}
return newstr;
}
// XXX(aki): I know this is far from ideal but i'm out of spoons and cant focus so
@ -61,7 +98,7 @@ struct JnyWriter
void coalesce_cells(Module* mod)
{
for (auto cell : mod->cells()) {
const auto cell_type = get_string(RTLIL::unescape_id(cell->type));
const auto cell_type = escape_string(RTLIL::unescape_id(cell->type));
if (_cells.find(cell_type) == _cells.end())
_cells.emplace(cell_type, std::vector<Cell*>());
@ -94,7 +131,7 @@ struct JnyWriter
design->sort();
f << "{\n";
f << stringf(" \"generator\": %s,\n", get_string(yosys_version_str).c_str());
f << stringf(" \"generator\": \"%s\",\n", escape_string(yosys_version_str).c_str());
// XXX(aki): Replace this with a proper version info eventually:tm:
f << " \"version\": \"0.0.0\",\n";
@ -184,7 +221,7 @@ struct JnyWriter
void write_cell_conn(const std::pair<RTLIL::IdString, RTLIL::SigSpec>& sig, uint16_t indent_level = 0) {
const auto _indent = gen_indent(indent_level);
f << _indent << " {\n";
f << _indent << " \"name\": " << get_string(RTLIL::unescape_id(sig.first)) << ",\n";
f << _indent << " \"name\": \"" << escape_string(RTLIL::unescape_id(sig.first)) << "\",\n";
f << _indent << " \"signals\": [\n";
write_sigspec(sig.second, indent_level + 2);
@ -202,7 +239,7 @@ struct JnyWriter
const auto _indent = gen_indent(indent_level);
f << _indent << "{\n";
f << stringf(" %s\"name\": %s,\n", _indent.c_str(), get_string(RTLIL::unescape_id(mod->name)).c_str());
f << stringf(" %s\"name\": \"%s\",\n", _indent.c_str(), escape_string(RTLIL::unescape_id(mod->name)).c_str());
f << _indent << " \"cell_sorts\": [\n";
bool first_sort{true};
@ -250,7 +287,7 @@ struct JnyWriter
f << ",\n";
f << _indent << " {\n";
f << stringf(" %s\"name\": %s,\n", _indent.c_str(), get_string(RTLIL::unescape_id(con.first)).c_str());
f << stringf(" %s\"name\": \"%s\",\n", _indent.c_str(), escape_string(RTLIL::unescape_id(con.first)).c_str());
f << _indent << " \"direction\": \"";
if (port_cell->input(con.first))
f << "i";
@ -302,13 +339,13 @@ struct JnyWriter
// XXX(aki): TODO, uh, yeah
f << get_string(str);
f << "\"" << escape_string(str) << "\"";
} else if ((v.flags & RTLIL::ConstFlags::CONST_FLAG_SIGNED) == RTLIL::ConstFlags::CONST_FLAG_SIGNED) {
f << stringf("\"%dsd %d\"", v.size(), v.as_int(true));
} else if ((v.flags & RTLIL::ConstFlags::CONST_FLAG_REAL) == RTLIL::ConstFlags::CONST_FLAG_REAL) {
} else {
f << get_string(v.as_string());
f << "\"" << escape_string(v.as_string()) << "\"";
}
}
@ -321,10 +358,10 @@ struct JnyWriter
f << stringf(",\n");
const auto param_val = param.second;
if (!param_val.empty()) {
f << stringf(" %s%s: ", _indent.c_str(), get_string(RTLIL::unescape_id(param.first)).c_str());
f << stringf(" %s\"%s\": ", _indent.c_str(), escape_string(RTLIL::unescape_id(param.first)).c_str());
write_param_val(param_val);
} else {
f << stringf(" %s%s: true", _indent.c_str(), get_string(RTLIL::unescape_id(param.first)).c_str());
f << stringf(" %s\"%s\": true", _indent.c_str(), escape_string(RTLIL::unescape_id(param.first)).c_str());
}
first_param = false;
@ -336,7 +373,7 @@ struct JnyWriter
log_assert(cell != nullptr);
f << _indent << " {\n";
f << stringf(" %s\"name\": %s", _indent.c_str(), get_string(RTLIL::unescape_id(cell->name)).c_str());
f << stringf(" %s\"name\": \"%s\"", _indent.c_str(), escape_string(RTLIL::unescape_id(cell->name)).c_str());
if (_include_connections) {
f << ",\n" << _indent << " \"connections\": [\n";