[Lldb-commits] [lldb] r373501 - [JSON] Remove Utility/JSON.{h|cpp}

Jonas Devlieghere via lldb-commits lldb-commits at lists.llvm.org
Wed Oct 2 11:02:36 PDT 2019


Author: jdevlieghere
Date: Wed Oct  2 11:02:36 2019
New Revision: 373501

URL: http://llvm.org/viewvc/llvm-project?rev=373501&view=rev
Log:
[JSON] Remove Utility/JSON.{h|cpp}

This patch is the final step in my quest to get rid of the JSON parser
in LLDB. Vedant's coverage report [1] shows that it was mostly untested.
Furthermore, the LLVM implementation has a much nicer API and using it
means one less thing to maintain for LLDB.

[1] http://lab.llvm.org:8080/coverage/coverage-reports/index.html

Differential revision: https://reviews.llvm.org/D68305

Removed:
    lldb/trunk/include/lldb/Utility/JSON.h
    lldb/trunk/source/Utility/JSON.cpp
    lldb/trunk/unittests/Utility/JSONTest.cpp
Modified:
    lldb/trunk/source/Utility/CMakeLists.txt
    lldb/trunk/unittests/Utility/CMakeLists.txt

Removed: lldb/trunk/include/lldb/Utility/JSON.h
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/Utility/JSON.h?rev=373500&view=auto
==============================================================================
--- lldb/trunk/include/lldb/Utility/JSON.h (original)
+++ lldb/trunk/include/lldb/Utility/JSON.h (removed)
@@ -1,283 +0,0 @@
-//===---------------------JSON.h --------------------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef utility_JSON_h_
-#define utility_JSON_h_
-
-#include "lldb/Utility/StringExtractor.h"
-
-#include <map>
-#include <memory>
-#include <string>
-#include <type_traits>
-#include <vector>
-
-#include <stdint.h>
-
-namespace lldb_private {
-class Stream;
-
-class JSONValue {
-public:
-  virtual void Write(Stream &s) = 0;
-
-  typedef std::shared_ptr<JSONValue> SP;
-
-  enum class Kind { String, Number, True, False, Null, Object, Array };
-
-  JSONValue(Kind k) : m_kind(k) {}
-
-  Kind GetKind() const { return m_kind; }
-
-  virtual ~JSONValue() = default;
-
-private:
-  const Kind m_kind;
-};
-
-class JSONString : public JSONValue {
-public:
-  JSONString();
-  JSONString(const char *s);
-  JSONString(const std::string &s);
-
-  JSONString(const JSONString &s) = delete;
-  JSONString &operator=(const JSONString &s) = delete;
-
-  void Write(Stream &s) override;
-
-  typedef std::shared_ptr<JSONString> SP;
-
-  std::string GetData() { return m_data; }
-
-  static bool classof(const JSONValue *V) {
-    return V->GetKind() == JSONValue::Kind::String;
-  }
-
-  ~JSONString() override = default;
-
-private:
-  static std::string json_string_quote_metachars(const std::string &);
-
-  std::string m_data;
-};
-
-class JSONNumber : public JSONValue {
-public:
-  typedef std::shared_ptr<JSONNumber> SP;
-
-  // We cretae a constructor for all integer and floating point type with using
-  // templates and
-  // SFINAE to avoid having ambiguous overloads because of the implicit type
-  // promotion. If we
-  // would have constructors only with int64_t, uint64_t and double types then
-  // constructing a JSONNumber from an int32_t (or any other similar type)
-  // would fail to compile.
-
-  template <typename T, typename std::enable_if<
-                            std::is_integral<T>::value &&
-                            std::is_unsigned<T>::value>::type * = nullptr>
-  explicit JSONNumber(T u)
-      : JSONValue(JSONValue::Kind::Number), m_data_type(DataType::Unsigned) {
-    m_data.m_unsigned = u;
-  }
-
-  template <typename T,
-            typename std::enable_if<std::is_integral<T>::value &&
-                                    std::is_signed<T>::value>::type * = nullptr>
-  explicit JSONNumber(T s)
-      : JSONValue(JSONValue::Kind::Number), m_data_type(DataType::Signed) {
-    m_data.m_signed = s;
-  }
-
-  template <typename T, typename std::enable_if<
-                            std::is_floating_point<T>::value>::type * = nullptr>
-  explicit JSONNumber(T d)
-      : JSONValue(JSONValue::Kind::Number), m_data_type(DataType::Double) {
-    m_data.m_double = d;
-  }
-
-  ~JSONNumber() override = default;
-
-  JSONNumber(const JSONNumber &s) = delete;
-  JSONNumber &operator=(const JSONNumber &s) = delete;
-
-  void Write(Stream &s) override;
-
-  uint64_t GetAsUnsigned() const;
-
-  int64_t GetAsSigned() const;
-
-  double GetAsDouble() const;
-
-  static bool classof(const JSONValue *V) {
-    return V->GetKind() == JSONValue::Kind::Number;
-  }
-
-private:
-  enum class DataType : uint8_t { Unsigned, Signed, Double } m_data_type;
-
-  union {
-    uint64_t m_unsigned;
-    int64_t m_signed;
-    double m_double;
-  } m_data;
-};
-
-class JSONTrue : public JSONValue {
-public:
-  JSONTrue();
-
-  JSONTrue(const JSONTrue &s) = delete;
-  JSONTrue &operator=(const JSONTrue &s) = delete;
-
-  void Write(Stream &s) override;
-
-  typedef std::shared_ptr<JSONTrue> SP;
-
-  static bool classof(const JSONValue *V) {
-    return V->GetKind() == JSONValue::Kind::True;
-  }
-
-  ~JSONTrue() override = default;
-};
-
-class JSONFalse : public JSONValue {
-public:
-  JSONFalse();
-
-  JSONFalse(const JSONFalse &s) = delete;
-  JSONFalse &operator=(const JSONFalse &s) = delete;
-
-  void Write(Stream &s) override;
-
-  typedef std::shared_ptr<JSONFalse> SP;
-
-  static bool classof(const JSONValue *V) {
-    return V->GetKind() == JSONValue::Kind::False;
-  }
-
-  ~JSONFalse() override = default;
-};
-
-class JSONNull : public JSONValue {
-public:
-  JSONNull();
-
-  JSONNull(const JSONNull &s) = delete;
-  JSONNull &operator=(const JSONNull &s) = delete;
-
-  void Write(Stream &s) override;
-
-  typedef std::shared_ptr<JSONNull> SP;
-
-  static bool classof(const JSONValue *V) {
-    return V->GetKind() == JSONValue::Kind::Null;
-  }
-
-  ~JSONNull() override = default;
-};
-
-class JSONObject : public JSONValue {
-public:
-  JSONObject();
-
-  JSONObject(const JSONObject &s) = delete;
-  JSONObject &operator=(const JSONObject &s) = delete;
-
-  void Write(Stream &s) override;
-
-  typedef std::shared_ptr<JSONObject> SP;
-
-  static bool classof(const JSONValue *V) {
-    return V->GetKind() == JSONValue::Kind::Object;
-  }
-
-  bool SetObject(const std::string &key, JSONValue::SP value);
-
-  JSONValue::SP GetObject(const std::string &key);
-
-  ~JSONObject() override = default;
-
-private:
-  typedef std::map<std::string, JSONValue::SP> Map;
-  typedef Map::iterator Iterator;
-  Map m_elements;
-};
-
-class JSONArray : public JSONValue {
-public:
-  JSONArray();
-
-  JSONArray(const JSONArray &s) = delete;
-  JSONArray &operator=(const JSONArray &s) = delete;
-
-  void Write(Stream &s) override;
-
-  typedef std::shared_ptr<JSONArray> SP;
-
-  static bool classof(const JSONValue *V) {
-    return V->GetKind() == JSONValue::Kind::Array;
-  }
-
-private:
-  typedef std::vector<JSONValue::SP> Vector;
-  typedef Vector::iterator Iterator;
-  typedef Vector::size_type Index;
-  typedef Vector::size_type Size;
-
-public:
-  bool SetObject(Index i, JSONValue::SP value);
-
-  bool AppendObject(JSONValue::SP value);
-
-  JSONValue::SP GetObject(Index i);
-
-  Size GetNumElements();
-
-  ~JSONArray() override = default;
-
-  Vector m_elements;
-};
-
-class JSONParser : public StringExtractor {
-public:
-  enum Token {
-    Invalid,
-    Status,
-    ObjectStart,
-    ObjectEnd,
-    ArrayStart,
-    ArrayEnd,
-    Comma,
-    Colon,
-    String,
-    Integer,
-    Float,
-    True,
-    False,
-    Null,
-    EndOfFile
-  };
-
-  JSONParser(llvm::StringRef data);
-
-  int GetEscapedChar(bool &was_escaped);
-
-  Token GetToken(std::string &value);
-
-  JSONValue::SP ParseJSONValue();
-
-protected:
-  JSONValue::SP ParseJSONObject();
-
-  JSONValue::SP ParseJSONArray();
-};
-} // namespace lldb_private
-
-#endif // utility_JSON_h_

Modified: lldb/trunk/source/Utility/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Utility/CMakeLists.txt?rev=373501&r1=373500&r2=373501&view=diff
==============================================================================
--- lldb/trunk/source/Utility/CMakeLists.txt (original)
+++ lldb/trunk/source/Utility/CMakeLists.txt Wed Oct  2 11:02:36 2019
@@ -27,7 +27,6 @@ add_lldb_library(lldbUtility
   FileSpec.cpp
   GDBRemote.cpp
   IOObject.cpp
-  JSON.cpp
   LLDBAssert.cpp
   Listener.cpp
   Log.cpp

Removed: lldb/trunk/source/Utility/JSON.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Utility/JSON.cpp?rev=373500&view=auto
==============================================================================
--- lldb/trunk/source/Utility/JSON.cpp (original)
+++ lldb/trunk/source/Utility/JSON.cpp (removed)
@@ -1,550 +0,0 @@
-//===--------------------- JSON.cpp -----------------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "lldb/Utility/JSON.h"
-
-#include "lldb/Utility/Stream.h"
-#include "lldb/Utility/StreamString.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/Support/ErrorHandling.h"
-
-#include <inttypes.h>
-#include <limits.h>
-#include <stddef.h>
-#include <utility>
-
-using namespace lldb_private;
-
-std::string JSONString::json_string_quote_metachars(const std::string &s) {
-  if (s.find_first_of("\\\n\"") == std::string::npos)
-    return s;
-
-  std::string output;
-  const size_t s_size = s.size();
-  const char *s_chars = s.c_str();
-  for (size_t i = 0; i < s_size; i++) {
-    unsigned char ch = *(s_chars + i);
-    if (ch == '"' || ch == '\\' || ch == '\n') {
-      output.push_back('\\');
-      if (ch == '\n') ch = 'n';
-    }
-    output.push_back(ch);
-  }
-  return output;
-}
-
-JSONString::JSONString() : JSONValue(JSONValue::Kind::String), m_data() {}
-
-JSONString::JSONString(const char *s)
-    : JSONValue(JSONValue::Kind::String), m_data(s ? s : "") {}
-
-JSONString::JSONString(const std::string &s)
-    : JSONValue(JSONValue::Kind::String), m_data(s) {}
-
-void JSONString::Write(Stream &s) {
-  s.Printf("\"%s\"", json_string_quote_metachars(m_data).c_str());
-}
-
-uint64_t JSONNumber::GetAsUnsigned() const {
-  switch (m_data_type) {
-  case DataType::Unsigned:
-    return m_data.m_unsigned;
-  case DataType::Signed:
-    return static_cast<uint64_t>(m_data.m_signed);
-  case DataType::Double:
-    return static_cast<uint64_t>(m_data.m_double);
-  }
-  llvm_unreachable("Unhandled data type");
-}
-
-int64_t JSONNumber::GetAsSigned() const {
-  switch (m_data_type) {
-  case DataType::Unsigned:
-    return static_cast<int64_t>(m_data.m_unsigned);
-  case DataType::Signed:
-    return m_data.m_signed;
-  case DataType::Double:
-    return static_cast<int64_t>(m_data.m_double);
-  }
-  llvm_unreachable("Unhandled data type");
-}
-
-double JSONNumber::GetAsDouble() const {
-  switch (m_data_type) {
-  case DataType::Unsigned:
-    return static_cast<double>(m_data.m_unsigned);
-  case DataType::Signed:
-    return static_cast<double>(m_data.m_signed);
-  case DataType::Double:
-    return m_data.m_double;
-  }
-  llvm_unreachable("Unhandled data type");
-}
-
-void JSONNumber::Write(Stream &s) {
-  switch (m_data_type) {
-  case DataType::Unsigned:
-    s.Printf("%" PRIu64, m_data.m_unsigned);
-    break;
-  case DataType::Signed:
-    s.Printf("%" PRId64, m_data.m_signed);
-    break;
-  case DataType::Double:
-    s.Printf("%g", m_data.m_double);
-    break;
-  }
-}
-
-JSONTrue::JSONTrue() : JSONValue(JSONValue::Kind::True) {}
-
-void JSONTrue::Write(Stream &s) { s.Printf("true"); }
-
-JSONFalse::JSONFalse() : JSONValue(JSONValue::Kind::False) {}
-
-void JSONFalse::Write(Stream &s) { s.Printf("false"); }
-
-JSONNull::JSONNull() : JSONValue(JSONValue::Kind::Null) {}
-
-void JSONNull::Write(Stream &s) { s.Printf("null"); }
-
-JSONObject::JSONObject() : JSONValue(JSONValue::Kind::Object) {}
-
-void JSONObject::Write(Stream &s) {
-  bool first = true;
-  s.PutChar('{');
-  auto iter = m_elements.begin(), end = m_elements.end();
-  for (; iter != end; iter++) {
-    if (first)
-      first = false;
-    else
-      s.PutChar(',');
-    JSONString key(iter->first);
-    JSONValue::SP value(iter->second);
-    key.Write(s);
-    s.PutChar(':');
-    value->Write(s);
-  }
-  s.PutChar('}');
-}
-
-bool JSONObject::SetObject(const std::string &key, JSONValue::SP value) {
-  if (key.empty() || nullptr == value.get())
-    return false;
-  m_elements[key] = value;
-  return true;
-}
-
-JSONValue::SP JSONObject::GetObject(const std::string &key) {
-  auto iter = m_elements.find(key), end = m_elements.end();
-  if (iter == end)
-    return JSONValue::SP();
-  return iter->second;
-}
-
-JSONArray::JSONArray() : JSONValue(JSONValue::Kind::Array) {}
-
-void JSONArray::Write(Stream &s) {
-  bool first = true;
-  s.PutChar('[');
-  auto iter = m_elements.begin(), end = m_elements.end();
-  for (; iter != end; iter++) {
-    if (first)
-      first = false;
-    else
-      s.PutChar(',');
-    (*iter)->Write(s);
-  }
-  s.PutChar(']');
-}
-
-bool JSONArray::SetObject(Index i, JSONValue::SP value) {
-  if (value.get() == nullptr)
-    return false;
-  if (i < m_elements.size()) {
-    m_elements[i] = value;
-    return true;
-  }
-  if (i == m_elements.size()) {
-    m_elements.push_back(value);
-    return true;
-  }
-  return false;
-}
-
-bool JSONArray::AppendObject(JSONValue::SP value) {
-  if (value.get() == nullptr)
-    return false;
-  m_elements.push_back(value);
-  return true;
-}
-
-JSONValue::SP JSONArray::GetObject(Index i) {
-  if (i < m_elements.size())
-    return m_elements[i];
-  return JSONValue::SP();
-}
-
-JSONArray::Size JSONArray::GetNumElements() { return m_elements.size(); }
-
-JSONParser::JSONParser(llvm::StringRef data) : StringExtractor(data) {}
-
-JSONParser::Token JSONParser::GetToken(std::string &value) {
-  StreamString error;
-
-  value.clear();
-  SkipSpaces();
-  const uint64_t start_index = m_index;
-  const char ch = GetChar();
-  switch (ch) {
-  case '{':
-    return Token::ObjectStart;
-  case '}':
-    return Token::ObjectEnd;
-  case '[':
-    return Token::ArrayStart;
-  case ']':
-    return Token::ArrayEnd;
-  case ',':
-    return Token::Comma;
-  case ':':
-    return Token::Colon;
-  case '\0':
-    return Token::EndOfFile;
-  case 't':
-    if (GetChar() == 'r')
-      if (GetChar() == 'u')
-        if (GetChar() == 'e')
-          return Token::True;
-    break;
-
-  case 'f':
-    if (GetChar() == 'a')
-      if (GetChar() == 'l')
-        if (GetChar() == 's')
-          if (GetChar() == 'e')
-            return Token::False;
-    break;
-
-  case 'n':
-    if (GetChar() == 'u')
-      if (GetChar() == 'l')
-        if (GetChar() == 'l')
-          return Token::Null;
-    break;
-
-  case '"': {
-    while (true) {
-      bool was_escaped = false;
-      int escaped_ch = GetEscapedChar(was_escaped);
-      if (escaped_ch == -1) {
-        error.Printf(
-            "error: an error occurred getting a character from offset %" PRIu64,
-            start_index);
-        value = std::move(error.GetString());
-        return Token::Status;
-
-      } else {
-        const bool is_end_quote = escaped_ch == '"';
-        const bool is_null = escaped_ch == 0;
-        if (was_escaped || (!is_end_quote && !is_null)) {
-          if (CHAR_MIN <= escaped_ch && escaped_ch <= CHAR_MAX) {
-            value.append(1, static_cast<char>(escaped_ch));
-          } else {
-            error.Printf("error: wide character support is needed for unicode "
-                         "character 0x%4.4x at offset %" PRIu64,
-                         escaped_ch, start_index);
-            value = std::move(error.GetString());
-            return Token::Status;
-          }
-        } else if (is_end_quote) {
-          return Token::String;
-        } else if (is_null) {
-          value = "error: missing end quote for string";
-          return Token::Status;
-        }
-      }
-    }
-  } break;
-
-  case '-':
-  case '0':
-  case '1':
-  case '2':
-  case '3':
-  case '4':
-  case '5':
-  case '6':
-  case '7':
-  case '8':
-  case '9': {
-    bool done = false;
-    bool got_decimal_point = false;
-    uint64_t exp_index = 0;
-    bool got_int_digits = (ch >= '0') && (ch <= '9');
-    bool got_frac_digits = false;
-    bool got_exp_digits = false;
-    while (!done) {
-      const char next_ch = PeekChar();
-      switch (next_ch) {
-      case '0':
-      case '1':
-      case '2':
-      case '3':
-      case '4':
-      case '5':
-      case '6':
-      case '7':
-      case '8':
-      case '9':
-        if (exp_index != 0) {
-          got_exp_digits = true;
-        } else if (got_decimal_point) {
-          got_frac_digits = true;
-        } else {
-          got_int_digits = true;
-        }
-        ++m_index; // Skip this character
-        break;
-
-      case '.':
-        if (got_decimal_point) {
-          error.Printf("error: extra decimal point found at offset %" PRIu64,
-                       start_index);
-          value = std::move(error.GetString());
-          return Token::Status;
-        } else {
-          got_decimal_point = true;
-          ++m_index; // Skip this character
-        }
-        break;
-
-      case 'e':
-      case 'E':
-        if (exp_index != 0) {
-          error.Printf(
-              "error: extra exponent character found at offset %" PRIu64,
-              start_index);
-          value = std::move(error.GetString());
-          return Token::Status;
-        } else {
-          exp_index = m_index;
-          ++m_index; // Skip this character
-        }
-        break;
-
-      case '+':
-      case '-':
-        // The '+' and '-' can only come after an exponent character...
-        if (exp_index == m_index - 1) {
-          ++m_index; // Skip the exponent sign character
-        } else {
-          error.Printf("error: unexpected %c character at offset %" PRIu64,
-                       next_ch, start_index);
-          value = std::move(error.GetString());
-          return Token::Status;
-        }
-        break;
-
-      default:
-        done = true;
-        break;
-      }
-    }
-
-    if (m_index > start_index) {
-      value = m_packet.substr(start_index, m_index - start_index);
-      if (got_decimal_point) {
-        if (exp_index != 0) {
-          // We have an exponent, make sure we got exponent digits
-          if (got_exp_digits) {
-            return Token::Float;
-          } else {
-            error.Printf("error: got exponent character but no exponent digits "
-                         "at offset in float value \"%s\"",
-                         value.c_str());
-            value = std::move(error.GetString());
-            return Token::Status;
-          }
-        } else {
-          // No exponent, but we need at least one decimal after the decimal
-          // point
-          if (got_frac_digits) {
-            return Token::Float;
-          } else {
-            error.Printf("error: no digits after decimal point \"%s\"",
-                         value.c_str());
-            value = std::move(error.GetString());
-            return Token::Status;
-          }
-        }
-      } else {
-        // No decimal point
-        if (got_int_digits) {
-          // We need at least some integer digits to make an integer
-          return Token::Integer;
-        } else {
-          error.Printf("error: no digits negate sign \"%s\"", value.c_str());
-          value = std::move(error.GetString());
-          return Token::Status;
-        }
-      }
-    } else {
-      error.Printf("error: invalid number found at offset %" PRIu64,
-                   start_index);
-      value = std::move(error.GetString());
-      return Token::Status;
-    }
-  } break;
-  default:
-    break;
-  }
-  error.Printf("error: failed to parse token at offset %" PRIu64
-               " (around character '%c')",
-               start_index, ch);
-  value = std::move(error.GetString());
-  return Token::Status;
-}
-
-int JSONParser::GetEscapedChar(bool &was_escaped) {
-  was_escaped = false;
-  const char ch = GetChar();
-  if (ch == '\\') {
-    was_escaped = true;
-    const char ch2 = GetChar();
-    switch (ch2) {
-    case '"':
-    case '\\':
-    case '/':
-    default:
-      break;
-
-    case 'b':
-      return '\b';
-    case 'f':
-      return '\f';
-    case 'n':
-      return '\n';
-    case 'r':
-      return '\r';
-    case 't':
-      return '\t';
-    case 'u': {
-      const int hi_byte = DecodeHexU8();
-      const int lo_byte = DecodeHexU8();
-      if (hi_byte >= 0 && lo_byte >= 0)
-        return hi_byte << 8 | lo_byte;
-      return -1;
-    } break;
-    }
-    return ch2;
-  }
-  return ch;
-}
-
-JSONValue::SP JSONParser::ParseJSONObject() {
-  // The "JSONParser::Token::ObjectStart" token should have already been
-  // consumed by the time this function is called
-  std::unique_ptr<JSONObject> dict_up(new JSONObject());
-
-  std::string value;
-  std::string key;
-  while (true) {
-    JSONParser::Token token = GetToken(value);
-
-    if (token == JSONParser::Token::String) {
-      key.swap(value);
-      token = GetToken(value);
-      if (token == JSONParser::Token::Colon) {
-        JSONValue::SP value_sp = ParseJSONValue();
-        if (value_sp)
-          dict_up->SetObject(key, value_sp);
-        else
-          break;
-      }
-    } else if (token == JSONParser::Token::ObjectEnd) {
-      return JSONValue::SP(dict_up.release());
-    } else if (token == JSONParser::Token::Comma) {
-      continue;
-    } else {
-      break;
-    }
-  }
-  return JSONValue::SP();
-}
-
-JSONValue::SP JSONParser::ParseJSONArray() {
-  // The "JSONParser::Token::ObjectStart" token should have already been
-  // consumed by the time this function is called
-  std::unique_ptr<JSONArray> array_up(new JSONArray());
-
-  std::string value;
-  std::string key;
-  while (true) {
-    JSONValue::SP value_sp = ParseJSONValue();
-    if (value_sp)
-      array_up->AppendObject(value_sp);
-    else
-      break;
-
-    JSONParser::Token token = GetToken(value);
-    if (token == JSONParser::Token::Comma) {
-      continue;
-    } else if (token == JSONParser::Token::ArrayEnd) {
-      return JSONValue::SP(array_up.release());
-    } else {
-      break;
-    }
-  }
-  return JSONValue::SP();
-}
-
-JSONValue::SP JSONParser::ParseJSONValue() {
-  std::string value;
-  const JSONParser::Token token = GetToken(value);
-  switch (token) {
-  case JSONParser::Token::ObjectStart:
-    return ParseJSONObject();
-
-  case JSONParser::Token::ArrayStart:
-    return ParseJSONArray();
-
-  case JSONParser::Token::Integer: {
-    if (value.front() == '-') {
-      int64_t sval = 0;
-      if (!llvm::StringRef(value).getAsInteger(0, sval))
-        return JSONValue::SP(new JSONNumber(sval));
-    } else {
-      uint64_t uval = 0;
-      if (!llvm::StringRef(value).getAsInteger(0, uval))
-        return JSONValue::SP(new JSONNumber(uval));
-    }
-  } break;
-
-  case JSONParser::Token::Float: {
-    double D;
-    if (!llvm::StringRef(value).getAsDouble(D))
-      return JSONValue::SP(new JSONNumber(D));
-  } break;
-
-  case JSONParser::Token::String:
-    return JSONValue::SP(new JSONString(value));
-
-  case JSONParser::Token::True:
-    return JSONValue::SP(new JSONTrue());
-
-  case JSONParser::Token::False:
-    return JSONValue::SP(new JSONFalse());
-
-  case JSONParser::Token::Null:
-    return JSONValue::SP(new JSONNull());
-
-  default:
-    break;
-  }
-  return JSONValue::SP();
-}

Modified: lldb/trunk/unittests/Utility/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/unittests/Utility/CMakeLists.txt?rev=373501&r1=373500&r2=373501&view=diff
==============================================================================
--- lldb/trunk/unittests/Utility/CMakeLists.txt (original)
+++ lldb/trunk/unittests/Utility/CMakeLists.txt Wed Oct  2 11:02:36 2019
@@ -11,7 +11,6 @@ add_lldb_unittest(UtilityTests
   EventTest.cpp
   FileSpecTest.cpp
   FlagsTest.cpp
-  JSONTest.cpp
   ListenerTest.cpp
   LogTest.cpp
   NameMatchesTest.cpp

Removed: lldb/trunk/unittests/Utility/JSONTest.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/unittests/Utility/JSONTest.cpp?rev=373500&view=auto
==============================================================================
--- lldb/trunk/unittests/Utility/JSONTest.cpp (original)
+++ lldb/trunk/unittests/Utility/JSONTest.cpp (removed)
@@ -1,26 +0,0 @@
-#include "gtest/gtest.h"
-
-#include "lldb/Utility/JSON.h"
-#include "lldb/Utility/StreamString.h"
-
-using namespace lldb_private;
-
-TEST(JSONTest, Dictionary) {
-  JSONObject o;
-  o.SetObject("key", std::make_shared<JSONString>("value"));
-
-  StreamString stream;
-  o.Write(stream);
-
-  ASSERT_EQ(stream.GetString(), R"({"key":"value"})");
-}
-
-TEST(JSONTest, Newlines) {
-  JSONObject o;
-  o.SetObject("key", std::make_shared<JSONString>("hello\nworld"));
-
-  StreamString stream;
-  o.Write(stream);
-
-  ASSERT_EQ(stream.GetString(), R"({"key":"hello\nworld"})");
-}




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