Fix binary output different in different platform (#7718)

* Fix binary output different in different platform, due to the nan serialization

* Add check generated code on windows ci

* Remove resdundant script

* Fix eof, and check script

* Minor bug in gen code script

* Fix windows script, remove redundant scripts

* Undelete redundante codes

* Fix github action

* Ignore eof generate grpc

Co-authored-by: Derek Bailey <derekbailey@google.com>

7 files changed, 52 insertions, 69 deletions

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 60832d12..24d4030d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -343,6 +343,22 @@ jobs:
     - name: Generate gRPC
       run: scripts/check-grpc-generated-code.py
 
+  build-generator-windows:
+    name: Check Generated Code on Windows
+    runs-on: windows-2019
+    steps:
+    - uses: actions/checkout@v3
+    - name: Add msbuild to PATH
+      uses: microsoft/setup-msbuild@v1.1
+    - name: cmake
+      run: cmake -G "Visual Studio 16 2019" -A x64 -DCMAKE_BUILD_TYPE=Release -DFLATBUFFERS_BUILD_CPP17=ON -DFLATBUFFERS_STRICT_MODE=ON .
+    - name: build
+      run: msbuild.exe FlatBuffers.sln /p:Configuration=Release /p:Platform=x64
+    - name: Generate
+      run: python3 scripts/check_generate_code.py --flatc Release\flatc.exe
+    - name: Generate gRPC
+      run: python3 scripts/check-grpc-generated-code.py --flatc Release\flatc.exe
+
   build-benchmarks:
     name: Build Benchmarks (on Linux)
     runs-on: ubuntu-latest
diff --git a/include/flatbuffers/util.h b/include/flatbuffers/util.h
index 74edbce4..6d0cd2c0 100644
--- a/include/flatbuffers/util.h
+++ b/include/flatbuffers/util.h
@@ -31,6 +31,7 @@
 #  include <stdio.h>
 #endif  // FLATBUFFERS_PREFER_PRINTF
 
+#include <cmath>
 #include <limits>
 #include <string>
 
@@ -313,6 +314,7 @@ inline bool StringToFloatImpl(T *val, const char *const str) {
   strtoval_impl(val, str, const_cast<char **>(&end));
   auto done = (end != str) && (*end == '\0');
   if (!done) *val = 0;  // erase partial result
+  if (done && std::isnan(*val)) { *val = std::numeric_limits<T>::quiet_NaN(); }
   return done;
 }
 
diff --git a/scripts/check-grpc-generated-code.py b/scripts/check-grpc-generated-code.py
index c9a43837..25b4331e 100755
--- a/scripts/check-grpc-generated-code.py
+++ b/scripts/check-grpc-generated-code.py
@@ -29,7 +29,7 @@ root_path = script_path.parent.absolute()
 print("Generating GRPC code...")
 generate_grpc_examples.GenerateGRPCExamples()
 
-result = subprocess.run(["git", "diff", "--quiet"], cwd=root_path)
+result = subprocess.run(["git", "diff", "--quiet", "--ignore-cr-at-eol"], cwd=root_path)
 
 if result.returncode != 0:
     print(
diff --git a/scripts/check_generate_code.py b/scripts/check_generate_code.py
index 038dc4e5..aa66734c 100755
--- a/scripts/check_generate_code.py
+++ b/scripts/check_generate_code.py
@@ -26,7 +26,7 @@ script_path = Path(__file__).parent.resolve()
 # Get the root path as an absolute path, so all derived paths are absolute.
 root_path = script_path.parent.absolute()
 
-result = subprocess.run(["git", "diff", "--quiet"], cwd=root_path)
+result = subprocess.run(["git", "diff", "--quiet", "--ignore-cr-at-eol"], cwd=root_path)
 
 if result.returncode != 0:
     print(
@@ -46,7 +46,7 @@ if platform.system() == "Windows":
     gen_cmd = ["py"] + gen_cmd
 subprocess.run(gen_cmd, cwd=root_path)
 
-result = subprocess.run(["git", "diff", "--quiet"], cwd=root_path)
+result = subprocess.run(["git", "diff", "--quiet", "--ignore-cr-at-eol"], cwd=root_path)
 
 if result.returncode != 0:
     print(
diff --git a/scripts/generate_code.py b/scripts/generate_code.py
index 1e29d755..1a622ab8 100755
--- a/scripts/generate_code.py
+++ b/scripts/generate_code.py
@@ -14,73 +14,19 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import argparse
 import filecmp
 import glob
-import platform
 import shutil
 import subprocess
 import generate_grpc_examples
 from pathlib import Path
-
-parser = argparse.ArgumentParser()
-parser.add_argument(
-    "--flatc",
-    help="path of the Flat C compiler relative to the root directory",
-)
-parser.add_argument("--cpp-0x", action="store_true", help="use --cpp-std c++ox")
-parser.add_argument(
-    "--skip-monster-extra",
-    action="store_true",
-    help="skip generating tests involving monster_extra.fbs",
-)
-parser.add_argument(
-    "--skip-gen-reflection",
-    action="store_true",
-    help="skip generating the reflection.fbs files",
-)
-args = parser.parse_args()
-
-# Get the path where this script is located so we can invoke the script from
-# any directory and have the paths work correctly.
-script_path = Path(__file__).parent.resolve()
-
-# Get the root path as an absolute path, so all derived paths are absolute.
-root_path = script_path.parent.absolute()
-
-# Get the location of the flatc executable, reading from the first command line
-# argument or defaulting to default names.
-flatc_exe = Path(
-    ("flatc" if not platform.system() == "Windows" else "flatc.exe")
-    if not args.flatc
-    else args.flatc
-)
-
-# Find and assert flatc compiler is present.
-if root_path in flatc_exe.parents:
-    flatc_exe = flatc_exe.relative_to(root_path)
-flatc_path = Path(root_path, flatc_exe)
-assert flatc_path.exists(), "Cannot find the flatc compiler " + str(flatc_path)
+from util import flatc, root_path, tests_path, args, flatc_path
 
 # Specify the other paths that will be referenced
-tests_path = Path(root_path, "tests")
 swift_code_gen = Path(root_path, "tests/swift/tests/CodeGenerationTests")
 samples_path = Path(root_path, "samples")
 reflection_path = Path(root_path, "reflection")
 
-# Execute the flatc compiler with the specified parameters
-def flatc(options, schema, prefix=None, include=None, data=None, cwd=tests_path):
-    cmd = [str(flatc_path)] + options
-    if prefix:
-        cmd += ["-o"] + [prefix]
-    if include:
-        cmd += ["-I"] + [include]
-    cmd += [schema] if isinstance(schema, str) else schema
-    if data:
-        cmd += [data] if isinstance(data, str) else data
-    result = subprocess.run(cmd, cwd=str(cwd), check=True)
-
-
 # Generate the code for flatbuffers reflection schema
 def flatc_reflection(options, location, target):
     full_options = ["--no-prefix"] + options
@@ -150,7 +96,7 @@ SWIFT_OPTS_CODE_GEN = [
     "--swift",
     "--gen-json-emit",
     "--bfbs-filenames",
-    swift_code_gen
+    str(swift_code_gen)
 ]
 JAVA_OPTS = ["--java"]
 KOTLIN_OPTS = ["--kotlin"]
diff --git a/scripts/generate_grpc_examples.py b/scripts/generate_grpc_examples.py
index c5dbba51..2192619d 100755
--- a/scripts/generate_grpc_examples.py
+++ b/scripts/generate_grpc_examples.py
@@ -19,7 +19,7 @@ from pathlib import Path
 
 grpc_examples_path = Path(root_path, "grpc/examples")
 
-greeter_schema = Path(grpc_examples_path, "greeter.fbs")
+greeter_schema = str(Path(grpc_examples_path, "greeter.fbs"))
 
 COMMON_ARGS = [
     "--grpc",
diff --git a/scripts/util.py b/scripts/util.py
index 365ba2de..5df9531c 100644
--- a/scripts/util.py
+++ b/scripts/util.py
@@ -12,20 +12,44 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import argparse
 import platform
 import subprocess
 from pathlib import Path
 
+parser = argparse.ArgumentParser()
+parser.add_argument(
+    "--flatc",
+    help="path of the Flat C compiler relative to the root directory",
+)
+parser.add_argument("--cpp-0x", action="store_true", help="use --cpp-std c++ox")
+parser.add_argument(
+    "--skip-monster-extra",
+    action="store_true",
+    help="skip generating tests involving monster_extra.fbs",
+)
+parser.add_argument(
+    "--skip-gen-reflection",
+    action="store_true",
+    help="skip generating the reflection.fbs files",
+)
+args = parser.parse_args()
+
 # Get the path where this script is located so we can invoke the script from
 # any directory and have the paths work correctly.
 script_path = Path(__file__).parent.resolve()
 
 # Get the root path as an absolute path, so all derived paths are absolute.
 root_path = script_path.parent.absolute()
+tests_path = Path(root_path, "tests")
 
 # Get the location of the flatc executable, reading from the first command line
 # argument or defaulting to default names.
-flatc_exe = Path("flatc" if not platform.system() == "Windows" else "flatc.exe")
+flatc_exe = Path(
+    ("flatc" if not platform.system() == "Windows" else "flatc.exe")
+    if not args.flatc
+    else args.flatc
+)
 
 # Find and assert flatc compiler is present.
 if root_path in flatc_exe.parents:
@@ -34,18 +58,13 @@ flatc_path = Path(root_path, flatc_exe)
 assert flatc_path.exists(), "Cannot find the flatc compiler " + str(flatc_path)
 
 # Execute the flatc compiler with the specified parameters
-def flatc(options, schema, prefix=None, include=None, data=None, cwd=root_path):
+def flatc(options, schema, prefix=None, include=None, data=None, cwd=tests_path):
     cmd = [str(flatc_path)] + options
     if prefix:
         cmd += ["-o"] + [prefix]
     if include:
         cmd += ["-I"] + [include]
-    if isinstance(schema, Path):
-      cmd += [str(schema)]
-    elif isinstance(schema, str):
-      cmd += [schema]
-    else:
-      cmd += schema
+    cmd += [schema] if isinstance(schema, str) else schema
     if data:
         cmd += [data] if isinstance(data, str) else data
-    return subprocess.check_call(cmd, cwd=str(cwd))
+    result = subprocess.run(cmd, cwd=str(cwd), check=True)