================ @@ -0,0 +1,464 @@ +//===- tools/plugins-shlib/pypass.cpp -------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#include "llvm/ADT/ScopeExit.h" +#include "llvm/Passes/PassBuilder.h" +#include "llvm/Passes/PassPlugin.h" +#include "llvm/Support/DynamicLibrary.h" +#include "llvm/Support/raw_ostream.h" + +#include <algorithm> +#include <cstdlib> +#include <filesystem> +#include <memory> +#include <optional> +#include <string> + +using namespace llvm; + +static cl::opt<std::string> + DylibPath("pypass-dylib", cl::desc("Path to the Python shared library"), + cl::init("")); + +static cl::opt<std::string> + ScriptPath("pypass-script", cl::desc("Path to the Python script to run"), + cl::init("")); + +static std::string findPython() { + if (!DylibPath.empty()) + return DylibPath; + if (const char *Path = std::getenv("LLVM_PYPASS_DYLIB")) + return std::string(Path); + // TODO: Run Python from PATH and use a script to query the shared lib + return std::string{}; +} + +static std::string findScript() { + if (!ScriptPath.empty()) + return ScriptPath; + if (const char *Path = std::getenv("LLVM_PYPASS_SCRIPT")) + return std::string(Path); + return std::string{}; +} + +struct PythonAPI { + using Py_InitializeEx_t = void(int); + using Py_Initialize_t = void(void); + using Py_FinalizeEx_t = int(void); + using Py_Finalize_t = void(void); + using PyDict_GetItemString_t = void *(void *, const char *); + using PyGILStateEnsure_t = int(); + using PyGILStateRelease_t = void(int); + using PyImport_AddModule_t = void *(const char *); + using PyLong_FromVoidPtr_t = void *(void *); + using PyUnicode_FromString_t = void *(const char *); + using PyModule_GetDict_t = void *(void *); + using PyObject_CallObject_t = void *(void *, void *); + using PyObject_IsTrue_t = int(void *); + using PyRun_SimpleString_t = int(const char *); + using PyTuple_SetItem_t = int(void *, long, void *); + using PyTuple_New_t = void *(long); + using PyTypeObject_t = void *; + + // pylifecycle.h + Py_InitializeEx_t *Py_InitializeEx; + Py_Initialize_t *Py_Initialize; + Py_FinalizeEx_t *Py_FinalizeEx; + Py_Finalize_t *Py_Finalize; + + // pythonrun.h + PyRun_SimpleString_t *PyRun_SimpleString; ---------------- serge-sans-paille wrote:
This is not part of the https://docs.python.org/3/c-api/stable.html . Maybe that's something we should enforce for maximum compatibility? https://github.com/llvm/llvm-project/pull/171111 _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
