Fix PyOutStream streambuf for MS STL

hecl/CMakeLists.txt

@@ -2,15 +2,21 @@ if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
 cmake_minimum_required(VERSION 3.10 FATAL_ERROR) # because of c++17
 project(hecl)
 
-set(CMAKE_CXX_STANDARD 17)
-set(CMAKE_CXX_STANDARD_REQUIRED ON)
-
 if(MSVC)
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHsc")
-  # Shaddup MSVC
-  add_definitions(-DUNICODE=1 -D_UNICODE=1 -D_CRT_SECURE_NO_WARNINGS=1 /wd4267 /wd4244)
+  add_compile_options(
+    # Disable exceptions
+    $<$<COMPILE_LANGUAGE:CXX>:/EHsc>
+    /wd4267 /wd4244
+  )
+  add_compile_definitions(UNICODE=1 _UNICODE=1 _CRT_SECURE_NO_WARNINGS=1)
 else()
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-multichar -fno-exceptions")
+  set(CMAKE_CXX_STANDARD 20)
+  set(CMAKE_CXX_STANDARD_REQUIRED ON)
+  add_compile_options(
+    # Disable exceptions
+    $<$<COMPILE_LANGUAGE:CXX>:-fno-exceptions>
+    -Wno-multichar
+  )
 endif()
 endif()
 

hecl/extern/athena

@@ -1 +1 @@
-Subproject commit 9c39a038a583d427b65536f5ae6a21c0b436bda0
+Subproject commit ebda6add23ff8e0560e5eb080752b35fb84af5dc

hecl/extern/boo

@@ -1 +1 @@
-Subproject commit 56a6b06210abd5c4fdfdc18d43f9eea811c06d77
+Subproject commit de85119690a57b13d1258d20bc93fb54601c648c

hecl/include/hecl/Blender/Connection.hpp

@@ -82,6 +82,7 @@ class PyOutStream : public std::ostream {
     StreamBuf(const StreamBuf& other) = delete;
     StreamBuf(StreamBuf&& other) = default;
     bool sendLine(std::string_view line);
+    int_type overflow(int_type ch) override;
     std::streamsize xsputn(const char_type* __s, std::streamsize __n) override;
   } m_sbuf;
   PyOutStream(Connection* parent, bool deleteOnError);

hecl/lib/Blender/Connection.cpp

@@ -583,6 +583,18 @@ bool PyOutStream::StreamBuf::sendLine(std::string_view line) {
   return true;
 }
 
+PyOutStream::StreamBuf::int_type PyOutStream::StreamBuf::overflow(int_type ch) {
+  if (!m_parent.m_parent || !m_parent.m_parent->m_lock)
+    BlenderLog.report(logvisor::Fatal, fmt("lock not held for PyOutStream writing"));
+  if (ch != traits_type::eof() && ch != '\n' && ch != '\0') {
+    m_lineBuf += char_type(ch);
+    return ch;
+  }
+  sendLine(m_lineBuf);
+  m_lineBuf.clear();
+  return ch;
+}
+
 std::streamsize PyOutStream::StreamBuf::xsputn(const char_type* __first, std::streamsize __n) {
   if (!m_parent.m_parent || !m_parent.m_parent->m_lock)
     BlenderLog.report(logvisor::Fatal, fmt("lock not held for PyOutStream writing"));