1 files changed, 0 insertions, 144 deletions
diff --git a/third_party/nix/src/libutil/json.hh b/third_party/nix/src/libutil/json.hh
deleted file mode 100644
index 14d61d8a5716..000000000000
--- a/third_party/nix/src/libutil/json.hh
+++ /dev/null
@@ -1,144 +0,0 @@
-#pragma once
-
-#include <cassert>
-#include <iostream>
-#include <vector>
-
-namespace nix {
-
-void toJSON(std::ostream& str, const char* start, const char* end);
-void toJSON(std::ostream& str, const char* s);
-
-template <typename T>
-void toJSON(std::ostream& str, const T& n);
-
-class JSONWriter {
- protected:
-  struct JSONState {
-    std::ostream& str;
-    bool indent;
-    size_t depth = 0;
-    size_t stack = 0;
-    JSONState(std::ostream& str, bool indent) : str(str), indent(indent) {}
-    ~JSONState() { assert(stack == 0); }
-  };
-
-  JSONState* state;
-
-  bool first = true;
-
-  JSONWriter(std::ostream& str, bool indent);
-
-  explicit JSONWriter(JSONState* state);
-
-  ~JSONWriter();
-
-  void assertActive() { assert(state->stack != 0); }
-
-  void comma();
-
-  void indent();
-};
-
-class JSONObject;
-class JSONPlaceholder;
-
-class JSONList : JSONWriter {
- private:
-  friend class JSONObject;
-  friend class JSONPlaceholder;
-
-  void open();
-
-  explicit JSONList(JSONState* state) : JSONWriter(state) { open(); }
-
- public:
-  explicit JSONList(std::ostream& str, bool indent = false)
-      : JSONWriter(str, indent) {
-    open();
-  }
-
-  ~JSONList();
-
-  template <typename T>
-  JSONList& elem(const T& v) {
-    comma();
-    toJSON(state->str, v);
-    return *this;
-  }
-
-  JSONList list();
-
-  JSONObject object();
-
-  JSONPlaceholder placeholder();
-};
-
-class JSONObject : JSONWriter {
- private:
-  friend class JSONList;
-  friend class JSONPlaceholder;
-
-  void open();
-
-  explicit JSONObject(JSONState* state) : JSONWriter(state) { open(); }
-
-  void attr(const std::string& s);
-
- public:
-  explicit JSONObject(std::ostream& str, bool indent = false)
-      : JSONWriter(str, indent) {
-    open();
-  }
-
-  JSONObject(const JSONObject& obj) = delete;
-
-  JSONObject(JSONObject&& obj) : JSONWriter(obj.state) { obj.state = 0; }
-
-  ~JSONObject();
-
-  template <typename T>
-  JSONObject& attr(const std::string& name, const T& v) {
-    attr(name);
-    toJSON(state->str, v);
-    return *this;
-  }
-
-  JSONList list(const std::string& name);
-
-  JSONObject object(const std::string& name);
-
-  JSONPlaceholder placeholder(const std::string& name);
-};
-
-class JSONPlaceholder : JSONWriter {
- private:
-  friend class JSONList;
-  friend class JSONObject;
-
-  explicit JSONPlaceholder(JSONState* state) : JSONWriter(state) {}
-
-  void assertValid() {
-    assertActive();
-    assert(first);
-  }
-
- public:
-  explicit JSONPlaceholder(std::ostream& str, bool indent = false)
-      : JSONWriter(str, indent) {}
-
-  ~JSONPlaceholder() { assert(!first || std::uncaught_exception()); }
-
-  template <typename T>
-  void write(const T& v) {
-    assertValid();
-    first = false;
-    toJSON(state->str, v);
-  }
-
-  JSONList list();
-
-  JSONObject object();
-};
-
-}  // namespace nix