Adjust for Python-3.

Summary:
This does not yet give us a clean testsuite run but it does help with:
1. Actually building on linux
2. Run the testsuite with over 70% tests passing on linux.

Reviewers: tfiala, labath, zturner

Subscribers: lldb-commits

Differential Revision: http://reviews.llvm.org/D17182

llvm-svn: 260721

1 files changed, 29 insertions, 5 deletions

diff --git a/lldb/scripts/Python/modules/readline/readline.cpp b/lldb/scripts/Python/modules/readline/readline.cpp
index d66ccf4b6b7..d4b4962cc31 100644
--- a/lldb/scripts/Python/modules/readline/readline.cpp
+++ b/lldb/scripts/Python/modules/readline/readline.cpp
@@ -20,11 +20,6 @@
 // work around LLVM pr18841 to avoid seg faults in the stock Python
 // readline.so linked against GNU readline.
 
-static struct PyMethodDef moduleMethods[] =
-{
-    {nullptr, nullptr, 0, nullptr}
-};
-
 #ifndef LLDB_DISABLE_LIBEDIT
 PyDoc_STRVAR(
     moduleDocumentation,
@@ -35,9 +30,33 @@ PyDoc_STRVAR(
     "Stub module meant to avoid linking GNU readline.");
 #endif
 
+#if PY_MAJOR_VERSION >= 3
+static struct PyModuleDef readline_module =
+{
+    PyModuleDef_HEAD_INIT, // m_base
+    "readline",            // m_name
+    moduleDocumentation,   // m_doc
+    -1,                    // m_size
+    nullptr,               // m_methods
+    nullptr,               // m_reload
+    nullptr,               // m_traverse
+    nullptr,               // m_clear
+    nullptr,               // m_free
+};
+#else
+static struct PyMethodDef moduleMethods[] =
+{
+    {nullptr, nullptr, 0, nullptr}
+};
+#endif
+
 #ifndef LLDB_DISABLE_LIBEDIT
 static char*
+#if PY_MAJOR_VERSION >= 3
+simple_readline(FILE *stdin, FILE *stdout, const char *prompt)
+#else
 simple_readline(FILE *stdin, FILE *stdout, char *prompt)
+#endif
 {
     rl_instream = stdin;
     rl_outstream = stdout;
@@ -67,10 +86,15 @@ initreadline(void)
 #ifndef LLDB_DISABLE_LIBEDIT
     PyOS_ReadlineFunctionPointer = simple_readline;
 #endif
+
+#if PY_MAJOR_VERSION >= 3
+    return PyModule_Create(&readline_module);
+#else
     Py_InitModule4(
         "readline",
         moduleMethods,
         moduleDocumentation,
         static_cast<PyObject *>(NULL),
         PYTHON_API_VERSION);
+#endif
 }