From eda01c31757db23748a0efa1629442de5cd53282 Mon Sep 17 00:00:00 2001
From: Zachary Turner <zturner@google.com>
Date: Fri, 16 Oct 2015 16:39:18 +0000
Subject: Update SWIG typemaps to use `PythonFile`.

Using the Python native C API is non-portable across Python versions,
so this patch changes them to use the `PythonFile` class which hides
the version specific differences behind a single interface.

llvm-svn: 250525
---
 .../ScriptInterpreter/Python/PythonDataObjects.cpp | 22 ++++++++++++++++++++++
 .../ScriptInterpreter/Python/PythonDataObjects.h   |  5 ++++-
 2 files changed, 26 insertions(+), 1 deletion(-)

(limited to 'lldb/source/Plugins/ScriptInterpreter')

diff --git a/lldb/source/Plugins/ScriptInterpreter/Python/PythonDataObjects.cpp b/lldb/source/Plugins/ScriptInterpreter/Python/PythonDataObjects.cpp
index 5c458bfd628..6a016e9e6aa 100644
--- a/lldb/source/Plugins/ScriptInterpreter/Python/PythonDataObjects.cpp
+++ b/lldb/source/Plugins/ScriptInterpreter/Python/PythonDataObjects.cpp
@@ -582,6 +582,14 @@ PythonFile::PythonFile(File &file, const char *mode)
     Reset(file, mode);
 }
 
+PythonFile::PythonFile(const char *path, const char *mode)
+{
+    FILE *fp = nullptr;
+    fp = fopen(path, mode);
+    lldb_private::File file(fp, true);
+    Reset(file, mode);
+}
+
 PythonFile::PythonFile(PyRefType type, PyObject *o)
 {
     Reset(type, o);
@@ -651,4 +659,18 @@ PythonFile::Reset(File &file, const char *mode)
 #endif
 }
 
+bool
+PythonFile::GetUnderlyingFile(File &file) const
+{
+    if (!IsValid())
+        return false;
+
+    file.Close();
+    // We don't own the file descriptor returned by this function, make sure the
+    // File object knows about that.
+    file.SetDescriptor(PyObject_AsFileDescriptor(m_py_obj), false);
+    return file.IsValid();
+}
+
+
 #endif
diff --git a/lldb/source/Plugins/ScriptInterpreter/Python/PythonDataObjects.h b/lldb/source/Plugins/ScriptInterpreter/Python/PythonDataObjects.h
index 34549d97f3d..93513473d30 100644
--- a/lldb/source/Plugins/ScriptInterpreter/Python/PythonDataObjects.h
+++ b/lldb/source/Plugins/ScriptInterpreter/Python/PythonDataObjects.h
@@ -323,7 +323,8 @@ public:
 class PythonFile : public PythonObject
 {
   public:
-    explicit PythonFile(File &file, const char *mode);
+    PythonFile(File &file, const char *mode);
+    PythonFile(const char *path, const char *mode);
     PythonFile(PyRefType type, PyObject *o);
     ~PythonFile() override;
 
@@ -333,6 +334,8 @@ class PythonFile : public PythonObject
 
     void Reset(PyRefType type, PyObject *py_obj) override;
     void Reset(File &file, const char *mode);
+
+    bool GetUnderlyingFile(File &file) const;
 };
 
 } // namespace lldb_private
-- 
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