release candidate 4.0.2 (#2441)

* release candidate 4.0.2

* more fixes

* fixing typos

* adding macro check

.github/workflows/ubuntu24-cxx20-noexcept.yml

@@ -0,0 +1,22 @@
+name: Ubuntu 24.04 CI (CXX 20, noexcept)
+
+on: [push, pull_request]
+jobs:
+  ubuntu-build:
+    if: >-
+      ! contains(toJSON(github.event.commits.*.message), '[skip ci]') &&
+      ! contains(toJSON(github.event.commits.*.message), '[skip github]')
+    runs-on: ubuntu-24.04
+    strategy:
+      matrix:
+        cxx: [g++-13, clang++-16]
+    steps:
+      - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
+      - name: Prepare
+        run: cmake -DSIMDJSON_CXX_STANDARD=20 -DSIMDJSON_EXCEPTIONS=OFF -DSIMDJSON_DEVELOPER_MODE=ON  -B build
+        env:
+          CXX: ${{matrix.cxx}}
+      - name: Build
+        run: cmake --build build -j=2
+      - name: Test
+        run: ctest --output-on-failure --test-dir build

CMakeLists.txt

@@ -3,7 +3,7 @@ cmake_minimum_required(VERSION 3.14)
 project(
     simdjson
     # The version number is modified by tools/release.py
-    VERSION 4.0.0
+    VERSION 4.0.2
     DESCRIPTION "Parsing gigabytes of JSON per second"
     HOMEPAGE_URL "https://simdjson.org/"
     LANGUAGES CXX C

Doxyfile

@@ -38,7 +38,7 @@ PROJECT_NAME           = simdjson
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = "4.0.0"
+PROJECT_NUMBER         = "4.0.2"
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a

README.md

@@ -119,6 +119,7 @@ Godbolt
 Some users may want to browse code along with the compiled assembly. You want to check out the following lists of examples:
 * [simdjson examples with errors handled through exceptions](https://godbolt.org/z/7G5qE4sr9)
 * [simdjson examples with errors without exceptions](https://godbolt.org/z/e9dWb9E4v)
+* [C++26 reflection example](https://godbolt.org/z/xK5TGKdPb)
 
 Performance results
 -------------------

cmake/developer-options.cmake

@@ -4,7 +4,7 @@
 add_library(simdjson-internal-flags INTERFACE)
 if(NOT DEFINED CMAKE_POSITION_INDEPENDENT_CODE)
   # We default to ON for all targets, so that we can use the library in shared libraries.
-  set_target_properties(simdjson-internal-flags PROPERTIES POSITION_INDEPENDENT_CODE ON)
+  set_target_properties(simdjson-internal-flags PROPERTIES INTERFACE_POSITION_INDEPENDENT_CODE ON)
 endif(NOT DEFINED CMAKE_POSITION_INDEPENDENT_CODE)
 
 option(SIMDJSON_CHECK_EOF "Check for the end of the input buffer. The setting is unnecessary since we require padding of the inputs. You should expect tests to fail with this option turned on." OFF)

doc/basics.md

@@ -1400,7 +1400,7 @@ maps it to parsing code. We call the default constructor,
 and then assign values to the public members.
 
 
-#### Special cases 
+#### Special cases
 
 However, there are instances where the construction cannot
 be easily automated. Let us consider a class without any

include/simdjson/generic/ondemand/json_builder.h

@@ -13,7 +13,7 @@
 
 #include <charconv>
 #include <cstring>
-#include <experimental/meta>
+#include <meta>
 #include <memory>
 #include <optional>
 #include <string_view>

include/simdjson/generic/ondemand/std_deserialize.h

@@ -253,7 +253,9 @@ error_code tag_invoke(deserialize_tag, auto &val, T &out) noexcept(nothrow_deser
   using value_type = typename std::remove_cvref_t<T>::value_type;
 
   // Check if the value is null
-  if (val.is_null()) {
+  bool is_null_value;
+  SIMDJSON_TRY( val.is_null().get(is_null_value) );
+  if (is_null_value) {
     out.reset(); // Set to nullopt
     return SUCCESS;
   }
@@ -361,7 +363,9 @@ error_code tag_invoke(deserialize_tag, simdjson_value &val, std::shared_ptr<T> &
 // Unique pointers
 ////////////////////////////////////////
 error_code tag_invoke(deserialize_tag, auto &val, std::unique_ptr<bool> &out) noexcept {
-  if (val.is_null()) {
+  bool is_null_value;
+  SIMDJSON_TRY( val.is_null().get(is_null_value) );
+  if (is_null_value) {
     out.reset();
     return SUCCESS;
   }
@@ -374,7 +378,9 @@ error_code tag_invoke(deserialize_tag, auto &val, std::unique_ptr<bool> &out) no
 }
 
 error_code tag_invoke(deserialize_tag, auto &val, std::unique_ptr<int64_t> &out) noexcept {
-  if (val.is_null()) {
+  bool is_null_value;
+  SIMDJSON_TRY( val.is_null().get(is_null_value) );
+  if (is_null_value) {
     out.reset();
     return SUCCESS;
   }
@@ -387,7 +393,9 @@ error_code tag_invoke(deserialize_tag, auto &val, std::unique_ptr<int64_t> &out)
 }
 
 error_code tag_invoke(deserialize_tag, auto &val, std::unique_ptr<uint64_t> &out) noexcept {
-  if (val.is_null()) {
+  bool is_null_value;
+  SIMDJSON_TRY( val.is_null().get(is_null_value) );
+  if (is_null_value) {
     out.reset();
     return SUCCESS;
   }
@@ -400,7 +408,9 @@ error_code tag_invoke(deserialize_tag, auto &val, std::unique_ptr<uint64_t> &out
 }
 
 error_code tag_invoke(deserialize_tag, auto &val, std::unique_ptr<double> &out) noexcept {
-  if (val.is_null()) {
+  bool is_null_value;
+  SIMDJSON_TRY( val.is_null().get(is_null_value) );
+  if (is_null_value) {
     out.reset();
     return SUCCESS;
   }
@@ -413,7 +423,9 @@ error_code tag_invoke(deserialize_tag, auto &val, std::unique_ptr<double> &out)
 }
 
 error_code tag_invoke(deserialize_tag, auto &val, std::unique_ptr<std::string_view> &out) noexcept {
-  if (val.is_null()) {
+  bool is_null_value;
+  SIMDJSON_TRY( val.is_null().get(is_null_value) );
+  if (is_null_value) {
     out.reset();
     return SUCCESS;
   }
@@ -430,7 +442,9 @@ error_code tag_invoke(deserialize_tag, auto &val, std::unique_ptr<std::string_vi
 // Shared pointers
 ////////////////////////////////////////
 error_code tag_invoke(deserialize_tag, auto &val, std::shared_ptr<bool> &out) noexcept {
-  if (val.is_null()) {
+  bool is_null_value;
+  SIMDJSON_TRY( val.is_null().get(is_null_value) );
+  if (is_null_value) {
     out.reset();
     return SUCCESS;
   }
@@ -443,7 +457,9 @@ error_code tag_invoke(deserialize_tag, auto &val, std::shared_ptr<bool> &out) no
 }
 
 error_code tag_invoke(deserialize_tag, auto &val, std::shared_ptr<int64_t> &out) noexcept {
-  if (val.is_null()) {
+  bool is_null_value;
+  SIMDJSON_TRY( val.is_null().get(is_null_value) );
+  if (is_null_value) {
     out.reset();
     return SUCCESS;
   }
@@ -456,7 +472,9 @@ error_code tag_invoke(deserialize_tag, auto &val, std::shared_ptr<int64_t> &out)
 }
 
 error_code tag_invoke(deserialize_tag, auto &val, std::shared_ptr<uint64_t> &out) noexcept {
-  if (val.is_null()) {
+  bool is_null_value;
+  SIMDJSON_TRY( val.is_null().get(is_null_value) );
+  if (is_null_value) {
     out.reset();
     return SUCCESS;
   }
@@ -469,7 +487,9 @@ error_code tag_invoke(deserialize_tag, auto &val, std::shared_ptr<uint64_t> &out
 }
 
 error_code tag_invoke(deserialize_tag, auto &val, std::shared_ptr<double> &out) noexcept {
-  if (val.is_null()) {
+  bool is_null_value;
+  SIMDJSON_TRY( val.is_null().get(is_null_value) );
+  if (is_null_value) {
     out.reset();
     return SUCCESS;
   }
@@ -482,7 +502,9 @@ error_code tag_invoke(deserialize_tag, auto &val, std::shared_ptr<double> &out)
 }
 
 error_code tag_invoke(deserialize_tag, auto &val, std::shared_ptr<std::string_view> &out) noexcept {
-  if (val.is_null()) {
+  bool is_null_value;
+  SIMDJSON_TRY( val.is_null().get(is_null_value) );
+  if (is_null_value) {
     out.reset();
     return SUCCESS;
   }
@@ -504,7 +526,9 @@ error_code tag_invoke(deserialize_tag, auto &val, std::shared_ptr<std::string_vi
 ////////////////////////////////////////
 error_code tag_invoke(deserialize_tag, auto &val, std::unique_ptr<std::string> &out) noexcept {
   // Check if the value is null
-  if (val.is_null()) {
+  bool is_null_value;
+  SIMDJSON_TRY( val.is_null().get(is_null_value) );
+  if (is_null_value) {
     out.reset(); // Set to nullptr
     return SUCCESS;
   }
@@ -520,7 +544,9 @@ error_code tag_invoke(deserialize_tag, auto &val, std::unique_ptr<std::string> &
 
 error_code tag_invoke(deserialize_tag, auto &val, std::shared_ptr<std::string> &out) noexcept {
   // Check if the value is null
-  if (val.is_null()) {
+  bool is_null_value;
+  SIMDJSON_TRY( val.is_null().get(is_null_value) );
+  if (is_null_value) {
     out.reset(); // Set to nullptr
     return SUCCESS;
   }
@@ -536,7 +562,9 @@ error_code tag_invoke(deserialize_tag, auto &val, std::shared_ptr<std::string> &
 
 error_code tag_invoke(deserialize_tag, auto &val, std::unique_ptr<int> &out) noexcept {
   // Check if the value is null
-  if (val.is_null()) {
+  bool is_null_value;
+  SIMDJSON_TRY( val.is_null().get(is_null_value) );
+  if (is_null_value) {
     out.reset(); // Set to nullptr
     return SUCCESS;
   }

include/simdjson/generic/ondemand/value.h

@@ -79,7 +79,9 @@ public:
       using value_type = typename std::remove_cvref_t<T>::value_type;
 
       // Check if the value is null
-      if (is_null()) {
+      bool is_null_value;
+      SIMDJSON_TRY( is_null().get(is_null_value) );
+      if (is_null_value) {
         out.reset(); // Set to nullopt
         return SUCCESS;
       }

include/simdjson/simdjson_version.h

@@ -4,7 +4,7 @@
 #define SIMDJSON_SIMDJSON_VERSION_H
 
 /** The version of simdjson being used (major.minor.revision) */
-#define SIMDJSON_VERSION "4.0.0"
+#define SIMDJSON_VERSION "4.0.2"
 
 namespace simdjson {
 enum {
@@ -19,7 +19,7 @@ enum {
   /**
    * The revision (major.minor.REVISION) of simdjson being used.
    */
-  SIMDJSON_VERSION_REVISION = 0
+  SIMDJSON_VERSION_REVISION = 2
 };
 } // namespace simdjson
 

singleheader/simdjson.cpp

@@ -1,4 +1,4 @@
-/* auto-generated on 2025-09-09 18:44:21 -0400. version 4.0.0 Do not edit! */
+/* auto-generated on 2025-09-14 09:01:41 -0600. version 4.0.2 Do not edit! */
 /* including simdjson.cpp:  */
 /* begin file simdjson.cpp */
 #define SIMDJSON_SRC_SIMDJSON_CPP

tests/dom/ranges_test.cpp

@@ -8,7 +8,7 @@
 
 using namespace simdjson;
 namespace ranges_test {
-
+#if SIMDJSON_EXCEPTIONS
   bool printout() {
     TEST_START();
     auto cars_json = R"( [
@@ -43,6 +43,7 @@ namespace ranges_test {
     ASSERT_TRUE(std::ranges::equal(cars, expected));
     TEST_SUCCEED();
   }
+  #endif // SIMDJSON_EXCEPTIONS
 
   bool run() {
     return