style(clang-tidy): Clean include headers of src/core/json

Reported by clang-tidy check `misc-include-cleaner`
Refs: sourcemeta/blaze#429

Signed-off-by: Balakrishna Avulapati <[email protected]>

Author: bavulapati

src/core/json/include/sourcemeta/core/json.h

@@ -5,7 +5,6 @@
 #include <sourcemeta/core/json_export.h>
 #endif
 
-#include <sourcemeta/core/json_hash.h>
 #include <sourcemeta/core/json_value.h>
 
 #include <cstdint>    // std::uint64_t

src/core/json/include/sourcemeta/core/json_error.h

@@ -1,6 +1,8 @@
 #ifndef SOURCEMETA_CORE_JSON_ERROR_H_
 #define SOURCEMETA_CORE_JSON_ERROR_H_
 
+#include <string>
+#include <utility>
 #ifndef SOURCEMETA_CORE_JSON_EXPORT
 #include <sourcemeta/core/json_export.h>
 #endif

src/core/json/include/sourcemeta/core/json_object.h

@@ -1,9 +1,9 @@
 #ifndef SOURCEMETA_CORE_JSON_OBJECT_H_
 #define SOURCEMETA_CORE_JSON_OBJECT_H_
 
-#include <algorithm>        // std::swap
-#include <cassert>          // assert
-#include <functional>       // std::equal_to, std::less
+#include <algorithm> // std::swap
+#include <cassert>   // assert
+#include <cstddef>
 #include <initializer_list> // std::initializer_list
 #include <iterator>         // std::advance
 #include <utility>          // std::pair, std::move

src/core/json/include/sourcemeta/core/json_value.h

@@ -1,6 +1,7 @@
 #ifndef SOURCEMETA_CORE_JSON_VALUE_H_
 #define SOURCEMETA_CORE_JSON_VALUE_H_
 
+#include <cstddef>
 #ifndef SOURCEMETA_CORE_JSON_EXPORT
 #include <sourcemeta/core/json_export.h>
 #endif
@@ -15,7 +16,6 @@
 #include <functional>       // std::less, std::reference_wrapper, std::function
 #include <initializer_list> // std::initializer_list
 #include <memory>           // std::allocator
-#include <optional>         // std::optional
 #include <set>              // std::set
 #include <sstream>          // std::basic_istringstream
 #include <string>           // std::basic_string, std::char_traits

src/core/json/json.cc

@@ -1,10 +1,18 @@
 #include "parser.h"
+#include "sourcemeta/core/json_error.h"
+#include "sourcemeta/core/json_value.h"
 #include "stringify.h"
 
+#include <cstdint>
+#include <filesystem>
+#include <istream>
+#include <memory>
+#include <ostream>
 #include <sourcemeta/core/json.h>
 
-#include <cassert>      // assert
-#include <fstream>      // std::ifstream
+#include <cassert> // assert
+#include <fstream> // std::ifstream
+#include <string>
 #include <system_error> // std::make_error_code, std::errc
 
 namespace sourcemeta::core {

src/core/json/json_value.cc

@@ -1,13 +1,20 @@
+#include "sourcemeta/core/json_array.h"
+#include <cstddef>
+#include <cstdint>
+#include <functional>
+#include <initializer_list>
 #include <sourcemeta/core/json_value.h>
 
 #include <algorithm> // std::find
 #include <cassert>   // assert
 #include <cmath>     // std::isinf, std::isnan, std::modf, std::trunc
 #include <numeric>   // std::transform
+#include <sstream>
 #include <stdexcept> // std::invalid_argument
 #include <string>    // std::to_string
-#include <utility>   // std::move
-#include <vector>    // std::vector
+#include <string_view>
+#include <utility> // std::move
+#include <vector>  // std::vector
 
 namespace sourcemeta::core {
 

src/core/json/parser.h

@@ -2,8 +2,9 @@
 #define SOURCEMETA_CORE_JSON_PARSER_H_
 
 #include "grammar.h"
+#include "sourcemeta/core/json_value.h"
 
-#include <sourcemeta/core/json.h>
+#include <cstddef>
 #include <sourcemeta/core/json_error.h>
 
 #include <cassert>    // assert

src/core/json/stringify.h

@@ -2,15 +2,19 @@
 #define SOURCEMETA_CORE_JSON_STRINGIFY_H_
 
 #include "grammar.h"
+#include "sourcemeta/core/json_value.h"
 
-#include <sourcemeta/core/json.h>
+#include <cstddef>
+#include <cstdint>
 
 #include <algorithm> // std::transform, std::sort
 #include <iomanip>   // std::setprecision
 #include <ios>       // std::noshowpoint, std::fixed
 #include <iterator>  // std::next, std::cbegin, std::cend, std::back_inserter
 #include <ostream>   // std::basic_ostream
-#include <string>    // std::to_string
+#include <sstream>
+#include <string> // std::to_string
+#include <vector>
 
 namespace sourcemeta::core::internal {
 constexpr auto LINE_WIDTH{80};