Remove Python 2 support from the ScriptInterpreter plugin

We dropped downstream support for Python 2 in the previous release. Now
that we have branched for the next release the window where this kind of
change could introduce conflicts is closing too. Start by getting rid of
Python 2 support in the Script Interpreter plugin.

Differential revision: https://reviews.llvm.org/D124429

1 files changed, 1 insertions, 24 deletions

diff --git a/lldb/source/Plugins/ScriptInterpreter/Python/PythonReadline.cpp b/lldb/source/Plugins/ScriptInterpreter/Python/PythonReadline.cpp
index 95a3365..2753847f 100644
--- a/lldb/source/Plugins/ScriptInterpreter/Python/PythonReadline.cpp
+++ b/lldb/source/Plugins/ScriptInterpreter/Python/PythonReadline.cpp
@@ -22,7 +22,6 @@
 PyDoc_STRVAR(moduleDocumentation,
              "Simple readline module implementation based on libedit.");
 
-#if PY_MAJOR_VERSION >= 3
 static struct PyModuleDef readline_module = {
     PyModuleDef_HEAD_INIT, // m_base
     "lldb_editline",       // m_name
@@ -34,26 +33,13 @@ static struct PyModuleDef readline_module = {
     nullptr,               // m_clear
     nullptr,               // m_free
 };
-#else
-static struct PyMethodDef moduleMethods[] = {{nullptr, nullptr, 0, nullptr}};
-#endif
 
-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
-{
+static char *simple_readline(FILE *stdin, FILE *stdout, const char *prompt) {
   rl_instream = stdin;
   rl_outstream = stdout;
   char *line = readline(prompt);
   if (!line) {
-#if PY_MAJOR_VERSION >= 3
     char *ret = (char *)PyMem_RawMalloc(1);
-#else
-    char *ret = (char *)PyMem_Malloc(1);
-#endif
     if (ret != NULL)
       *ret = '\0';
     return ret;
@@ -61,11 +47,7 @@ simple_readline(FILE *stdin, FILE *stdout, char *prompt)
   if (*line)
     add_history(line);
   int n = strlen(line);
-#if PY_MAJOR_VERSION >= 3
   char *ret = (char *)PyMem_RawMalloc(n + 2);
-#else
-  char *ret = (char *)PyMem_Malloc(n + 2);
-#endif
   if (ret) {
     memcpy(ret, line, n);
     free(line);
@@ -78,11 +60,6 @@ simple_readline(FILE *stdin, FILE *stdout, char *prompt)
 PyMODINIT_FUNC initlldb_readline(void) {
   PyOS_ReadlineFunctionPointer = simple_readline;
 
-#if PY_MAJOR_VERSION >= 3
   return PyModule_Create(&readline_module);
-#else
-  Py_InitModule4("readline", moduleMethods, moduleDocumentation,
-                 static_cast<PyObject *>(NULL), PYTHON_API_VERSION);
-#endif
 }
 #endif