Vendor import of lldb trunk r256945:

https://llvm.org/svn/llvm-project/lldb/trunk@256945

4 files changed, 107 insertions, 0 deletions

diff --git a/packages/Python/lldbsuite/support/__init__.py b/packages/Python/lldbsuite/support/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/packages/Python/lldbsuite/support/__init__.py
diff --git a/packages/Python/lldbsuite/support/fs.py b/packages/Python/lldbsuite/support/fs.py
new file mode 100644
index 0000000..9a56808
--- /dev/null
+++ b/packages/Python/lldbsuite/support/fs.py
@@ -0,0 +1,64 @@
+"""
+                     The LLVM Compiler Infrastructure
+
+This file is distributed under the University of Illinois Open Source
+License. See LICENSE.TXT for details.
+
+Prepares language bindings for LLDB build process.  Run with --help
+to see a description of the supported command line arguments.
+"""
+
+# Python modules:
+import os
+import platform
+import sys
+
+
+def _find_file_in_paths(paths, exe_basename):
+    """Returns the full exe path for the first path match.
+
+    @params paths the list of directories to search for the exe_basename
+    executable
+    @params exe_basename the name of the file for which to search.
+    e.g. "swig" or "swig.exe".
+
+    @return the full path to the executable if found in one of the
+    given paths; otherwise, returns None.
+    """
+    for path in paths:
+        trial_exe_path = os.path.join(path, exe_basename)
+        if os.path.exists(trial_exe_path):
+            return os.path.normcase(trial_exe_path)
+    return None
+
+def find_executable(executable):
+    """Finds the specified executable in the PATH or known good locations."""
+
+    # Figure out what we're looking for.
+    if platform.system() == "Windows":
+        executable = executable + ".exe"
+        extra_dirs = []
+    else:
+        extra_dirs = ["/usr/local/bin"]
+
+    # Figure out what paths to check.
+    path_env = os.environ.get("PATH", None)
+    if path_env is not None:
+        paths_to_check = path_env.split(os.path.pathsep)
+    else:
+        paths_to_check = []
+
+    # Add in the extra dirs
+    paths_to_check.extend(extra_dirs)
+    if len(paths_to_check) < 1:
+        raise os.OSError(
+            "executable was not specified, PATH has no "
+            "contents, and there are no extra directories to search")
+
+    result = _find_file_in_paths(paths_to_check, executable)
+
+    if not result or len(result) < 1:
+        raise os.OSError(
+            "failed to find exe='%s' in paths='%s'" % (executable, paths_to_check))
+    return result
+
diff --git a/packages/Python/lldbsuite/support/seven.py b/packages/Python/lldbsuite/support/seven.py
new file mode 100644
index 0000000..56ddd8d
--- /dev/null
+++ b/packages/Python/lldbsuite/support/seven.py
@@ -0,0 +1,20 @@
+import six
+
+if six.PY2:
+    import commands
+    get_command_output = commands.getoutput
+    get_command_status_output = commands.getstatusoutput
+
+    cmp_ = cmp
+else:
+    def get_command_status_output(command):
+        try:
+            import subprocess
+            return (0, subprocess.check_output(command, shell=True, universal_newlines=True))
+        except subprocess.CalledProcessError as e:
+            return (e.returncode, e.output)
+
+    def get_command_output(command):
+        return get_command_status_output(command)[1]
+
+    cmp_ = lambda x, y: (x > y) - (x < y)
\ No newline at end of file
diff --git a/packages/Python/lldbsuite/support/sockutil.py b/packages/Python/lldbsuite/support/sockutil.py
new file mode 100644
index 0000000..b3d81d14
--- /dev/null
+++ b/packages/Python/lldbsuite/support/sockutil.py
@@ -0,0 +1,23 @@
+"""
+                     The LLVM Compiler Infrastructure
+
+This file is distributed under the University of Illinois Open Source
+License. See LICENSE.TXT for details.
+
+Helper functions for working with sockets.
+"""
+
+# Python modules:
+import io
+import socket
+
+# LLDB modules
+import use_lldb_suite
+
+def recvall(sock, size):
+    bytes = io.BytesIO()
+    while size > 0:
+        this_result = sock.recv(size)
+        bytes.write(this_result)
+        size -= len(this_result)
+    return bytes.getvalue()