[Lldb/Lua] Generate Lua Bindings

This patch uses SWIG to generate the Lua bindings for the SB API. It
covers most of the API, but some methods require a type map similar to
Python.

Discussion on the mailing list:
http://lists.llvm.org/pipermail/lldb-dev/2019-December/015812.html

Differential revision: https://reviews.llvm.org/D71235

1 files changed, 19 insertions, 0 deletions

diff --git a/lldb/source/API/CMakeLists.txt b/lldb/source/API/CMakeLists.txt
index 1a99a26dfc4..7b9d4cb61e2 100644
--- a/lldb/source/API/CMakeLists.txt
+++ b/lldb/source/API/CMakeLists.txt
@@ -9,6 +9,11 @@ if(LLDB_ENABLE_PYTHON)
   set(lldb_python_wrapper ${lldb_scripts_dir}/LLDBWrapPython.cpp)
 endif()
 
+if(LLDB_ENABLE_LUA)
+  get_target_property(lldb_scripts_dir swig_wrapper_lua BINARY_DIR)
+  set(lldb_lua_wrapper ${lldb_scripts_dir}/LLDBWrapLua.cpp)
+endif()
+
 if(LLDB_BUILD_FRAMEWORK)
   set(option_install_prefix INSTALL_PREFIX ${LLDB_FRAMEWORK_INSTALL_DIR})
   set(option_framework FRAMEWORK)
@@ -85,6 +90,7 @@ add_lldb_library(liblldb SHARED ${option_framework}
   SBUnixSignals.cpp
   SystemInitializerFull.cpp
   ${lldb_python_wrapper}
+  ${lldb_lua_wrapper}
 
   LINK_LIBS
     lldbBase
@@ -130,6 +136,19 @@ if(lldb_python_wrapper)
   endif ()
 endif()
 
+if(lldb_lua_wrapper)
+  add_dependencies(liblldb swig_wrapper_lua)
+  target_include_directories(liblldb PRIVATE ${LUA_INCLUDE_DIR})
+
+  if (MSVC)
+    set_property(SOURCE ${lldb_lua_wrapper} APPEND_STRING PROPERTY COMPILE_FLAGS " /W0")
+  else()
+    set_property(SOURCE ${lldb_lua_wrapper} APPEND_STRING PROPERTY COMPILE_FLAGS " -w")
+  endif()
+
+  set_source_files_properties(${lldb_lua_wrapper} PROPERTIES GENERATED ON)
+endif()
+
 set_target_properties(liblldb
   PROPERTIES
   VERSION ${LLDB_VERSION}