From cfca06d7963fa0909f90483b42a6d7d194d01e08 Mon Sep 17 00:00:00 2001 From: Dimitry Andric Date: Sun, 26 Jul 2020 19:36:28 +0000 Subject: Vendor import of llvm-project master 2e10b7a39b9, the last commit before the llvmorg-12-init tag, from which release/11.x was branched. --- lldb/source/Plugins/ScriptInterpreter/Lua/Lua.cpp | 32 +++++++++++++++++++++++ 1 file changed, 32 insertions(+) (limited to 'lldb/source/Plugins/ScriptInterpreter/Lua/Lua.cpp') diff --git a/lldb/source/Plugins/ScriptInterpreter/Lua/Lua.cpp b/lldb/source/Plugins/ScriptInterpreter/Lua/Lua.cpp index ecee8cc674f8..acd6128d84c5 100644 --- a/lldb/source/Plugins/ScriptInterpreter/Lua/Lua.cpp +++ b/lldb/source/Plugins/ScriptInterpreter/Lua/Lua.cpp @@ -57,3 +57,35 @@ llvm::Error Lua::LoadModule(llvm::StringRef filename) { lua_setglobal(m_lua_state, module_name.GetCString()); return llvm::Error::success(); } + +llvm::Error Lua::ChangeIO(FILE *out, FILE *err) { + assert(out != nullptr); + assert(err != nullptr); + + lua_getglobal(m_lua_state, "io"); + + lua_getfield(m_lua_state, -1, "stdout"); + if (luaL_Stream *s = static_cast( + luaL_testudata(m_lua_state, -1, LUA_FILEHANDLE))) { + s->f = out; + lua_pop(m_lua_state, 1); + } else { + lua_pop(m_lua_state, 2); + return llvm::make_error("could not get stdout", + llvm::inconvertibleErrorCode()); + } + + lua_getfield(m_lua_state, -1, "stderr"); + if (luaL_Stream *s = static_cast( + luaL_testudata(m_lua_state, -1, LUA_FILEHANDLE))) { + s->f = out; + lua_pop(m_lua_state, 1); + } else { + lua_pop(m_lua_state, 2); + return llvm::make_error("could not get stderr", + llvm::inconvertibleErrorCode()); + } + + lua_pop(m_lua_state, 1); + return llvm::Error::success(); +} -- cgit v1.2.3