chore(3p/nix): unvendor tvix 0.1 r/4098

Nothing is using this now, and we'll likely never pick this up again,
but we learned a lot in the process.

Every now and then this breaks in some bizarre way on channel bumps
and it's just a waste of time to maintain that.

Change-Id: Idcf2f5acd4ca7070ce18d7149cbfc0d967dc0a44
Reviewed-on: https://cl.tvl.fyi/c/depot/+/5632
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
Reviewed-by: lukegb <lukegb@tvl.fyi>
Autosubmit: tazjin <tazjin@tvl.su>

1 files changed, 0 insertions, 198 deletions

diff --git a/third_party/nix/src/libutil/json.cc b/third_party/nix/src/libutil/json.cc
deleted file mode 100644
index 59ff74f5796f..000000000000
--- a/third_party/nix/src/libutil/json.cc
+++ /dev/null
@@ -1,198 +0,0 @@
-#include "libutil/json.hh"
-
-#include <cstring>
-#include <iomanip>
-
-namespace nix {
-
-void toJSON(std::ostream& str, const char* start, const char* end) {
-  str << '"';
-  for (auto i = start; i != end; i++) {
-    if (*i == '\"' || *i == '\\') {
-      str << '\\' << *i;
-    } else if (*i == '\n') {
-      str << "\\n";
-    } else if (*i == '\r') {
-      str << "\\r";
-    } else if (*i == '\t') {
-      str << "\\t";
-    } else if (*i >= 0 && *i < 32) {
-      str << "\\u" << std::setfill('0') << std::setw(4) << std::hex
-          << static_cast<uint16_t>(*i) << std::dec;
-    } else {
-      str << *i;
-    }
-  }
-  str << '"';
-}
-
-void toJSON(std::ostream& str, const char* s) {
-  if (s == nullptr) {
-    str << "null";
-  } else {
-    toJSON(str, s, s + strlen(s));
-  }
-}
-
-template <>
-void toJSON<int>(std::ostream& str, const int& n) {
-  str << n;
-}
-template <>
-void toJSON<unsigned int>(std::ostream& str, const unsigned int& n) {
-  str << n;
-}
-template <>
-void toJSON<long>(std::ostream& str, const long& n) {
-  str << n;
-}
-template <>
-void toJSON<unsigned long>(std::ostream& str, const unsigned long& n) {
-  str << n;
-}
-template <>
-void toJSON<long long>(std::ostream& str, const long long& n) {
-  str << n;
-}
-template <>
-void toJSON<unsigned long long>(std::ostream& str,
-                                const unsigned long long& n) {
-  str << n;
-}
-template <>
-void toJSON<float>(std::ostream& str, const float& n) {
-  str << n;
-}
-template <>
-void toJSON<double>(std::ostream& str, const double& n) {
-  str << n;
-}
-
-template <>
-void toJSON<std::string>(std::ostream& str, const std::string& s) {
-  toJSON(str, s.c_str(), s.c_str() + s.size());
-}
-
-template <>
-void toJSON<bool>(std::ostream& str, const bool& b) {
-  str << (b ? "true" : "false");
-}
-
-template <>
-void toJSON<std::nullptr_t>(std::ostream& str, const std::nullptr_t& b) {
-  str << "null";
-}
-
-JSONWriter::JSONWriter(std::ostream& str, bool indent)
-    : state(new JSONState(str, indent)) {
-  state->stack++;
-}
-
-JSONWriter::JSONWriter(JSONState* state) : state(state) { state->stack++; }
-
-JSONWriter::~JSONWriter() {
-  if (state != nullptr) {
-    assertActive();
-    state->stack--;
-    if (state->stack == 0) {
-      delete state;
-    }
-  }
-}
-
-void JSONWriter::comma() {
-  assertActive();
-  if (first) {
-    first = false;
-  } else {
-    state->str << ',';
-  }
-  if (state->indent) {
-    indent();
-  }
-}
-
-void JSONWriter::indent() {
-  state->str << '\n' << std::string(state->depth * 2, ' ');
-}
-
-void JSONList::open() {
-  state->depth++;
-  state->str << '[';
-}
-
-JSONList::~JSONList() {
-  state->depth--;
-  if (state->indent && !first) {
-    indent();
-  }
-  state->str << "]";
-}
-
-JSONList JSONList::list() {
-  comma();
-  return JSONList(state);
-}
-
-JSONObject JSONList::object() {
-  comma();
-  return JSONObject(state);
-}
-
-JSONPlaceholder JSONList::placeholder() {
-  comma();
-  return JSONPlaceholder(state);
-}
-
-void JSONObject::open() {
-  state->depth++;
-  state->str << '{';
-}
-
-JSONObject::~JSONObject() {
-  if (state != nullptr) {
-    state->depth--;
-    if (state->indent && !first) {
-      indent();
-    }
-    state->str << "}";
-  }
-}
-
-void JSONObject::attr(const std::string& s) {
-  comma();
-  toJSON(state->str, s);
-  state->str << ':';
-  if (state->indent) {
-    state->str << ' ';
-  }
-}
-
-JSONList JSONObject::list(const std::string& name) {
-  attr(name);
-  return JSONList(state);
-}
-
-JSONObject JSONObject::object(const std::string& name) {
-  attr(name);
-  return JSONObject(state);
-}
-
-JSONPlaceholder JSONObject::placeholder(const std::string& name) {
-  attr(name);
-  return JSONPlaceholder(state);
-}
-
-JSONList JSONPlaceholder::list() {
-  assertValid();
-  first = false;
-  return JSONList(state);
-}
-
-JSONObject JSONPlaceholder::object() {
-  assertValid();
-  first = false;
-  return JSONObject(state);
-}
-
-}  // namespace nix