From 0b8a117b5e208880639cdb4cddae112140703492 Mon Sep 17 00:00:00 2001
From: Jeremy Dubreil <jrm@fb.com>
Date: Thu, 1 Dec 2016 23:23:07 -0800
Subject: [PATCH] [infer][java] Fall back to the system compiler in case of
 compilation failures

Reviewed By: sblackshear

Differential Revision: D4218310

fbshipit-source-id: 3bf133a
---
 infer/lib/python/inferlib/jwlib.py | 33 ++++++++++++++++++------------
 1 file changed, 20 insertions(+), 13 deletions(-)

diff --git a/infer/lib/python/inferlib/jwlib.py b/infer/lib/python/inferlib/jwlib.py
index e00083518..bf163911c 100644
--- a/infer/lib/python/inferlib/jwlib.py
+++ b/infer/lib/python/inferlib/jwlib.py
@@ -213,19 +213,26 @@ class CompilerCall(object):
                 try:
                     subprocess.check_call(command, stderr=file_out)
                 except subprocess.CalledProcessError:
-                    error_msg = 'ERROR: failure during compilation command.' \
-                                + '\nYou can run the failing compilation ' \
-                                + 'command again by copy-pasting the\nlines ' \
-                                + 'below in your terminal:\n\n"""\n' \
-                                + 'python <<EOF\n' \
-                                + 'import subprocess\n' \
-                                + 'cmd = {}\n' \
-                                + 'subprocess.check_call(cmd)\n' \
-                                + 'EOF\n"""\n'
-                    failing_cmd = filter(lambda arg: arg != '-verbose',
-                                         command)
-                    utils.stderr(error_msg.format(failing_cmd))
-                    subprocess.check_call(failing_cmd)
+                    try:
+                        fallback_command = ['javac'] + cli_args + \
+                                           ['@' + str(self.command_line_file)]
+                        subprocess.check_call(
+                            fallback_command, stderr=file_out)
+                    except subprocess.CalledProcessError:
+                        error_msg = 'ERROR: failure during compilation ' \
+                                    + 'command.\nYou can run the failing ' \
+                                    + 'compilation command again by ' \
+                                    + 'copy-pasting the\nlines below in ' \
+                                    + 'your terminal:\n\n"""\n' \
+                                    + 'python <<EOF\n' \
+                                    + 'import subprocess\n' \
+                                    + 'cmd = {}\n' \
+                                    + 'subprocess.check_call(cmd)\n' \
+                                    + 'EOF\n"""\n'
+                        failing_cmd = filter(lambda arg: arg != '-verbose',
+                                             command)
+                        utils.stderr(error_msg.format(failing_cmd))
+                        subprocess.check_call(failing_cmd)
 
         return os.EX_OK