Update code from the upstream repo to v1.9.5

.clang-format

@@ -1,47 +1,4 @@
----
-# BasedOnStyle:  LLVM
-AccessModifierOffset: -2
-ConstructorInitializerIndentWidth: 4
-AlignEscapedNewlinesLeft: false
-AlignTrailingComments: true
-AllowAllParametersOfDeclarationOnNextLine: true
-AllowShortIfStatementsOnASingleLine: false
-AllowShortLoopsOnASingleLine: false
-AlwaysBreakTemplateDeclarations: false
-AlwaysBreakBeforeMultilineStrings: false
-BreakBeforeBinaryOperators: false
-BreakBeforeTernaryOperators: true
-BreakConstructorInitializersBeforeComma: false
-BinPackParameters: false
-ColumnLimit:     80
-ConstructorInitializerAllOnOneLineOrOnePerLine: false
-DerivePointerBinding: false
-ExperimentalAutoDetectBinPacking: false
-IndentCaseLabels: false
-MaxEmptyLinesToKeep: 1
-NamespaceIndentation: None
-ObjCSpaceBeforeProtocolList: true
-PenaltyBreakBeforeFirstCallParameter: 19
-PenaltyBreakComment: 60
-PenaltyBreakString: 1000
-PenaltyBreakFirstLessLess: 120
-PenaltyExcessCharacter: 1000000
-PenaltyReturnTypeOnItsOwnLine: 60
-PointerBindsToType: true
-SpacesBeforeTrailingComments: 1
-Cpp11BracedListStyle: false
-Standard:        Cpp03
-IndentWidth:     2
-TabWidth:        8
-UseTab:          Never
-BreakBeforeBraces: Attach
-IndentFunctionDeclarationAfterType: false
-SpacesInParentheses: false
-SpacesInAngles:  false
-SpaceInEmptyParentheses: false
-SpacesInCStyleCastParentheses: false
-SpaceAfterControlStatementKeyword: true
-SpaceBeforeAssignmentOperators: true
-ContinuationIndentWidth: 4
-...
+BasedOnStyle:  LLVM
+DerivePointerAlignment: false
+PointerAlignment: Left
 

.clang-tidy

@@ -0,0 +1,11 @@
+---
+Checks:          'google-readability-casting,modernize-deprecated-headers,modernize-loop-convert,modernize-use-auto,modernize-use-default-member-init,modernize-use-using,readability-else-after-return,readability-redundant-member-init,readability-redundant-string-cstr'
+WarningsAsErrors: ''
+HeaderFilterRegex: ''
+AnalyzeTemporaryDtors: false
+FormatStyle:     none
+CheckOptions:
+  - key:             modernize-use-using.IgnoreMacros
+    value:           '0'
+...
+

.gitattributes

@@ -0,0 +1,11 @@
+*           text=auto
+*.h         text
+*.cpp       text
+*.json      text
+*.in        text
+*.sh        eol=lf
+*.bat       eol=crlf
+*.vcproj    eol=crlf
+*.vcxproj   eol=crlf
+*.sln       eol=crlf
+devtools/agent_vm* eol=crlf

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,26 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1.
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Desktop (please complete the following information):**
+ - OS: [e.g. iOS]
+ - Meson version
+ - Ninja version
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,20 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.gitignore

@@ -1,13 +1,59 @@
 /build/
+/build-*/
 *.pyc
 *.swp
 *.actual
 *.actual-rewrite
 *.process-output
 *.rewrite
 /bin/
-/buildscons/
 /libs/
 /doc/doxyfile
 /dist/
-#/include/json/version.h
+/.cache/
+/.vs/
+/out/
+
+# MSVC project files:
+*.sln
+*.vcxproj
+*.filters
+*.user
+*.sdf
+*.opensdf
+*.suo
+
+# MSVC build files:
+*.lib
+*.obj
+*.tlog/
+*.pdb
+
+# CMake-generated files:
+CMakeFiles/
+/pkg-config/jsoncpp.pc
+jsoncpp_lib_static.dir/
+compile_commands.json
+
+# In case someone runs cmake in the root-dir:
+/CMakeCache.txt
+/Makefile
+/include/Makefile
+/src/Makefile
+/src/jsontestrunner/Makefile
+/src/jsontestrunner/jsontestrunner_exe
+/src/lib_json/Makefile
+/src/test_lib_json/Makefile
+/src/test_lib_json/jsoncpp_test
+*.a
+
+# eclipse project files
+.project
+.cproject
+/.settings/
+
+# DS_Store
+.DS_Store
+
+# temps
+/version

.travis.yml

@@ -1,18 +1,71 @@
-# Build matrix / environment variable are explained on:
-# http://about.travis-ci.org/docs/user/build-configuration/
-# This file can be validated on:
-# http://lint.travis-ci.org/
-before_install: sudo apt-get install cmake
+# Build matrix / environment variables are explained on:
+# http://about.travis-ci.com/docs/user/build-configuration/
+# This file can be validated on: http://www.yamllint.com/
+# Or using the Ruby based travel command line tool:
+# gem install travis --no-rdoc --no-ri
+# travis lint .travis.yml
 language: cpp
-compiler:
-  - gcc
-  - clang
-script: cmake -DJSONCPP_LIB_BUILD_SHARED=$SHARED_LIBRARY -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DCMAKE_VERBOSE_MAKEFILE=$VERBOSE_MAKE . && make
-env:
-  matrix:
-    - SHARED_LIBRARY=ON BUILD_TYPE=release VERBOSE_MAKE=false
-    - SHARED_LIBRARY=OFF BUILD_TYPE=release VERBOSE_MAKE=false
-    - SHARED_LIBRARY=OFF BUILD_TYPE=debug VERBOSE VERBOSE_MAKE=true
+sudo: false
+addons:
+  homebrew:
+    packages:
+    - clang-format
+    - meson
+    - ninja
+    update: false # do not update homebrew by default
+  apt:
+    sources:
+    - ubuntu-toolchain-r-test
+    - llvm-toolchain-xenial-8
+    packages:
+    - clang-format-8
+    - clang-8
+    - valgrind
+matrix:
+  include:
+    - name: Mac clang meson static release testing
+      os: osx
+      osx_image: xcode11
+      compiler: clang
+      env:
+         CXX="clang++"
+         CC="clang"
+         LIB_TYPE=static
+         BUILD_TYPE=release
+      script: ./.travis_scripts/meson_builder.sh
+    - name: Linux xenial clang meson static release testing
+      os: linux
+      dist: xenial
+      compiler: clang
+      env:
+         CXX="clang++"
+         CC="clang"
+         LIB_TYPE=static
+         BUILD_TYPE=release
+         PYTHONUSERBASE="$(pwd)/LOCAL"
+         PATH="$PYTHONUSERBASE/bin:$PATH"
+      # before_install and install steps only needed for linux meson builds
+      before_install:
+          - source ./.travis_scripts/travis.before_install.${TRAVIS_OS_NAME}.sh
+      install:
+           - source ./.travis_scripts/travis.install.${TRAVIS_OS_NAME}.sh
+      script: ./.travis_scripts/meson_builder.sh
+    - name: Linux xenial gcc cmake coverage
+      os: linux
+      dist: xenial
+      compiler: gcc
+      env:
+        CXX=g++
+        CC=gcc
+        DO_Coverage=ON
+        BUILD_TOOL="Unix Makefiles"
+        BUILD_TYPE=Debug
+        LIB_TYPE=shared
+        DESTDIR=/tmp/cmake_json_cpp
+      before_install:
+          - pip install --user cpp-coveralls
+      script: ./.travis_scripts/cmake_builder.sh
+      after_success:
+          - coveralls --include src/lib_json --include include
 notifications:
-  email:
-    - aaronjjacobs@gmail.com
+  email: false