Update vendored double-conversion to 3.2.1 (#570)

Doing so allows for building on webassembly. Officially declareing support for WASM
however will have to wait until pyodide/pytest-pyodide#59 is
merged to facilitate testing WASM compatibility.

deps/double-conversion/.gitignore

@@ -1,4 +1,5 @@
 .sconsign.dblite
+*~
 *.o
 *.obj
 msvc/Release/
@@ -7,3 +8,24 @@ msvc/Debug/
 *.opensdf
 *.sdf
 *.user
+*.a
+*.so
+*.so.*
+*.dylib
+/run_tests
+Makefile
+CMakeLists.txt.user
+CMakeCache.txt
+CMakeFiles
+CMakeScripts
+Testing
+cmake_install.cmake
+install_manifest.txt
+compile_commands.json
+CTestTestfile.cmake
+_deps
+*.cmake
+*.kdev4
+DartConfiguration.tcl
+bazel-*
+.cache

deps/double-conversion/AUTHORS

@@ -12,3 +12,5 @@ Mike Hommey <mhommey@mozilla.com>
 Martin Olsson <mnemo@minimum.se>
 Kent Williams <chaircrusher@gmail.com>
 Elan Ruusamäe <glen@delfi.ee>
+Colin Hirsch <github@colin-hirsch.net>
+Zhenyi Peng <zhenyipeng@tencent.com>

deps/double-conversion/BUILD

@@ -1,30 +1,36 @@
-# Bazel (https://bazel.build/) BUILD file
+# Bazel(http://bazel.io) BUILD file
+
+load("@rules_cc//cc:defs.bzl", "cc_library", "cc_test")
 
 licenses(["notice"])
 
+exports_files(["LICENSE"])
+
 cc_library(
     name = "double-conversion",
     srcs = [
         "double-conversion/bignum.cc",
         "double-conversion/bignum-dtoa.cc",
         "double-conversion/cached-powers.cc",
-        "double-conversion/diy-fp.cc",
-        "double-conversion/double-conversion.cc",
+        "double-conversion/double-to-string.cc",
         "double-conversion/fast-dtoa.cc",
         "double-conversion/fixed-dtoa.cc",
+        "double-conversion/string-to-double.cc",
         "double-conversion/strtod.cc",
-        "double-conversion/utils.h",
     ],
     hdrs = [
         "double-conversion/bignum.h",
         "double-conversion/bignum-dtoa.h",
         "double-conversion/cached-powers.h",
         "double-conversion/diy-fp.h",
         "double-conversion/double-conversion.h",
+        "double-conversion/double-to-string.h",
         "double-conversion/fast-dtoa.h",
         "double-conversion/fixed-dtoa.h",
         "double-conversion/ieee.h",
+        "double-conversion/string-to-double.h",
         "double-conversion/strtod.h",
+        "double-conversion/utils.h",
     ],
     linkopts = [
         "-lm",

deps/double-conversion/CMakeLists.txt

@@ -1,27 +1,42 @@
-cmake_minimum_required(VERSION 2.8.12)
-project(double-conversion)
+cmake_minimum_required(VERSION 3.0)
+project(double-conversion VERSION 3.2.0)
 
-include(GNUInstallDirs)
+option(BUILD_SHARED_LIBS "Build shared libraries (.dll/.so) instead of static ones (.lib/.a)" OFF)
 
-# pick a version #
-set(double-conversion_VERSION 2.0.1)
-set(double-conversion_SOVERSION_MAJOR 1)
-set(double-conversion_SOVERSION_MINOR 0)
-set(double-conversion_SOVERSION_PATCH 0)
-set(double-conversion_SOVERSION
-  ${double-conversion_SOVERSION_MAJOR}.${double-conversion_SOVERSION_MINOR}.${double-conversion_SOVERSION_PATCH})
-
-# set suffix for CMake files used for packaging
-if(WIN32 AND NOT CYGWIN)
-  set(INSTALL_CMAKE_DIR CMake)
-else()
-  set(INSTALL_CMAKE_DIR ${CMAKE_INSTALL_LIBDIR}/cmake/double-conversion)
+if(BUILD_SHARED_LIBS AND MSVC)
+  set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
 endif()
 
-# Add src subdirectory
-add_subdirectory(double-conversion)
+set(headers
+    double-conversion/bignum.h
+    double-conversion/cached-powers.h
+    double-conversion/diy-fp.h
+    double-conversion/double-conversion.h
+    double-conversion/double-to-string.h
+    double-conversion/fast-dtoa.h
+    double-conversion/fixed-dtoa.h
+    double-conversion/ieee.h
+    double-conversion/string-to-double.h
+    double-conversion/strtod.h
+    double-conversion/utils.h)
+
+add_library(double-conversion
+            double-conversion/bignum.cc
+            double-conversion/bignum-dtoa.cc
+            double-conversion/cached-powers.cc
+            double-conversion/double-to-string.cc
+            double-conversion/fast-dtoa.cc
+            double-conversion/fixed-dtoa.cc
+            double-conversion/string-to-double.cc
+            double-conversion/strtod.cc
+            ${headers})
+target_include_directories(
+    double-conversion PUBLIC
+    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>)
+
+# pick a version #
+set_target_properties(double-conversion PROPERTIES VERSION ${PROJECT_VERSION} SOVERSION 3)
 
-#
 # set up testing if requested
 option(BUILD_TESTING "Build test programs" OFF)
 if(BUILD_TESTING)
@@ -30,41 +45,85 @@ if(BUILD_TESTING)
   add_subdirectory(test)
 endif()
 
-#
-# mention the library target as export library
-export(TARGETS double-conversion
-  FILE "${PROJECT_BINARY_DIR}/double-conversionLibraryDepends.cmake")
-
-#
-# set this build as an importable package
-export(PACKAGE double-conversion)
-
-#
-# make a cmake file -- in this case, all that needs defining
-# is double-conversion_INCLUDE_DIRS
-configure_file(double-conversionBuildTreeSettings.cmake.in
-  "${PROJECT_BINARY_DIR}/double-conversionBuildTreeSettings.cmake"
-  @ONLY)
-
-#
-# sets up config to be used by CMake find_package
-configure_file(double-conversionConfig.cmake.in
-  "${PROJECT_BINARY_DIR}/double-conversionConfig.cmake"
-  @ONLY)
-#
-# Export version # checked by find_package
-configure_file(double-conversionConfigVersion.cmake.in
-  "${PROJECT_BINARY_DIR}/double-conversionConfigVersion.cmake"
-  @ONLY)
-#
-# install config files for find_package
-install(FILES
-  "${PROJECT_BINARY_DIR}/double-conversionConfig.cmake"
-  "${PROJECT_BINARY_DIR}/double-conversionConfigVersion.cmake"
-  DESTINATION "${INSTALL_CMAKE_DIR}" COMPONENT dev)
-
-
-#
-# generates install cmake files to find libraries in installation.
-install(EXPORT double-conversionLibraryDepends DESTINATION
-  "${INSTALL_CMAKE_DIR}" COMPONENT dev)
+####
+# Installation (https://github.com/forexample/package-example)
+
+include(GNUInstallDirs)
+
+# Layout. This works for all platforms:
+#   * <prefix>/lib/cmake/<PROJECT-NAME>
+#   * <prefix>/lib/
+#   * <prefix>/include/
+set(config_install_dir "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}")
+
+set(generated_dir "${CMAKE_CURRENT_BINARY_DIR}/generated")
+
+# Configuration
+set(version_config "${generated_dir}/${PROJECT_NAME}ConfigVersion.cmake")
+set(project_config "${generated_dir}/${PROJECT_NAME}Config.cmake")
+set(targets_export_name "${PROJECT_NAME}Targets")
+set(namespace "${PROJECT_NAME}::")
+
+# Include module with function 'write_basic_package_version_file'
+include(CMakePackageConfigHelpers)
+
+# Configure '<PROJECT-NAME>ConfigVersion.cmake'
+# Note: PROJECT_VERSION is used as a VERSION
+write_basic_package_version_file(
+    "${version_config}" COMPATIBILITY SameMajorVersion
+)
+
+# Configure '<PROJECT-NAME>Config.cmake'
+# Use variables:
+#   * targets_export_name
+#   * PROJECT_NAME
+configure_package_config_file(
+    "cmake/Config.cmake.in"
+    "${project_config}"
+    INSTALL_DESTINATION "${config_install_dir}"
+)
+
+# Targets:
+#   * <prefix>/lib/libdouble-conversion.a
+#   * header location after install: <prefix>/include/double-conversion/*.h
+#   * headers can be included by C++ code `#include <double-conversion/*.h>`
+install(
+    TARGETS double-conversion
+    EXPORT "${targets_export_name}"
+    LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+    ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+    RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
+    INCLUDES DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
+)
+
+# Headers:
+#   * double-conversion/*.h -> <prefix>/include/double-conversion/*.h
+install(
+    FILES ${headers}
+    DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/double-conversion"
+)
+
+# Config
+#   * <prefix>/lib/cmake/double-conversion/double-conversionConfig.cmake
+#   * <prefix>/lib/cmake/double-conversion/double-conversionConfigVersion.cmake
+install(
+    FILES "${project_config}" "${version_config}"
+    DESTINATION "${config_install_dir}"
+)
+
+# Config
+#   * <prefix>/lib/cmake/double-conversion/double-conversionTargets.cmake
+install(
+    EXPORT "${targets_export_name}"
+    NAMESPACE "${namespace}"
+    DESTINATION "${config_install_dir}"
+)
+
+if (MSVC AND BUILD_SHARED_LIBS)
+  # Install companion PDB for Visual Studio
+  install(
+    FILES $<TARGET_PDB_FILE:double-conversion>
+    TYPE BIN
+    OPTIONAL
+  )
+endif()

deps/double-conversion/Changelog

@@ -1,3 +1,127 @@
+2022-01-16:
+  Install Visual Studio debugger (pdb) files.
+
+2022-01-10:
+  Fix quiet NANs on MIPS* and PA-RISC architectures.
+  Update version number.
+
+2021-12-22:
+  Add support of Synopsys ARC64 architecture.
+  Reintroduce macros, if DOUBLE_CONVERSION_NON_PREFIXED_MACROS is set.
+
+2021-12-04:
+  Update version number.
+
+2021-10-04:
+  Consistently use semicolons after DOUBLE_CONVERSION_ASSERT.
+
+2021-07-16:
+  Fix spelling.
+
+2021-05-19:
+  Loongarch is a RISC-style command system architecture.
+  Add support for loongarch architecture.
+
+2020-02-16:
+  Add support for quiet and signaling NaNs to ieee header.
+
+2019-10-31:
+  Add support for xtensa architecture.
+  Add support for nios2 architecture.
+
+2019-10-12:
+  Really add support for microblaze. A previous commit was lacking
+	the necessary line.
+
+2019-09-02:
+  Add support for e2k architecture. Thanks to Michael Shigorin.
+
+2019-08-01:
+  Add min exponent width option in double-to-string conversion.
+
+2019-06-22:
+  Remove redundant parenthesis.
+
+2019-06-11:
+  Changed all macros to use DOUBLE_CONVERSION_ as prefix.
+  Renamed ALLOW_CASE_INSENSIBILITY to ALLOW_CASE_INSENSITIVITY,
+    the old name is still available but officially deprecated.
+  Created and exposed new intermediate function StrtodTrimmed().
+
+2019-05-25:
+  Fix `0x` for string->double conversion when Hex Floats are allowed.
+  Avoid integer overflow when exponents for hex floats were too big.
+  Update version number.
+
+2019-04-22:
+  Fixed warning in gcc4.9. Thanks to Scott McCaskill
+    (https://github.com/usefulcat) for the patch.
+
+2019-04-16:
+  Merged changes to install libraries in the correct place when
+  using 64-bit libraries.
+  Contributed by Jason Zaman <jasonzaman@gmail.com> and (independently)
+    Dan Church (https://github.com/h3xx)
+
+2019-03-11:
+  Use relative includes in the library. This shouldn't have any visible effect
+  for consumers of the library.
+
+  Update version number.
+
+2019-03-06:
+  Fix typo in test.
+  Update version number.
+
+2019-03-03:
+  Fix separator characters when they they don't fit into 8 bits.
+  Update version number.
+
+2019-02-16:
+  Check correctly for _MSC_VER.
+  Patch by Ben Boeckel
+
+2019-01-17:
+  Allow the library to be compiled for Emscripten.
+  Patch by Tim Paine.
+
+2018-09-15:
+  Update version numbers. This also updates the shared-library version number.
+
+2018-09-09:
+  Fix bug where large hex literals would lose their minus sign.
+  Added support for separator characters (which adds a new optional
+  argument). Thus increasing the version number to 3.1.0
+  Added support for hexadecimal float literals.
+  Support for more architectures.
+
+2017-12-06:
+  Renamed `DISALLOW_COPY_AND_ASSIGN` and `DISALLOW_IMPLICIT_CONSTRUCTORS`
+  macros to `DC_DISALLOW_COPY_AND_ASSIGN` and
+  `DC_DISALLOW_IMPLICIT_CONSTRUCTORS` to make it easier to integrate the
+  library with other libraries that have similar macros.
+
+2017-08-05:
+  Tagged v3.0.0.
+  Due to the directory rename switching to a new version number.
+  The API for the library itself hasn't changed.
+
+2017-03-04:
+  Avoid negative shift. Fixes #41.
+
+2016-11-17:
+  Support RISC-V.
+
+
+2016-09-10:
+  Add fPIC flag on x86_64 if the compiler supports it. Fixes #34.
+
+2015 and 2016:
+  Lots of improvements to the build system.
+
+2015:
+  Warning fixes.
+
 2015-05-19:
   Rename 'src' directory to 'double-conversion'.
 

deps/double-conversion/Makefile

@@ -2,6 +2,6 @@ all:
 	scons debug=1
 
 test:
-	./run_tests --list | tr -d '<' | xargs ./run_tests
+	./run_tests
 
 .PHONY: test all