From a1066dd0936dd8b67fbebdad2fac8babb1f1c4e5 Mon Sep 17 00:00:00 2001
From: Benjamin Attal <attal.benjamin@gmail.com>
Date: Fri, 18 Apr 2014 16:31:43 -0400
Subject: [PATCH] Modify parser/__init__.py so that it communicates with the
 Java parsing process and reads a result back from a unique file.  Add
 template files for Java parsers.

---
 bitshift/parser/__init__.py                        | 26 +++++++++++++++++++---
 parsers/src/org/bitshift/parsers/Parse.java        |  0
 .../src/org/bitshift/parsers/langs/CParser.java    |  0
 .../src/org/bitshift/parsers/langs/JavaParser.java |  0
 .../org/bitshift/parsers/langs/PythonParser.java   |  0
 .../src/org/bitshift/parsers/langs/RubyParser.java |  0
 6 files changed, 23 insertions(+), 3 deletions(-)
 create mode 100644 parsers/src/org/bitshift/parsers/Parse.java
 create mode 100644 parsers/src/org/bitshift/parsers/langs/CParser.java
 create mode 100644 parsers/src/org/bitshift/parsers/langs/JavaParser.java
 create mode 100644 parsers/src/org/bitshift/parsers/langs/PythonParser.java
 create mode 100644 parsers/src/org/bitshift/parsers/langs/RubyParser.java

diff --git a/bitshift/parser/__init__.py b/bitshift/parser/__init__.py
index 28d3e98..0fe4602 100644
--- a/bitshift/parser/__init__.py
+++ b/bitshift/parser/__init__.py
@@ -1,15 +1,19 @@
-import os
+import os, ast
 
 _all__ = ["parse"]
 
-def parse(codelet):
+WRITE_F = "../../tmp/parser.proc"
+
+def parse(codelet, pid):
     """
     Sends codelet code to the Java parsing process via a named pipe. Reads the
         resulting symbols from the pipe and updates the codelet.
 
     :param codelet: The codelet object to parsed.
+    :param pid: The id of the current python process.
 
     :type code: Codelet
+    :param pid: str.
 
     .. todo::
         Create a named pipe for python process to communicate with Java
@@ -19,5 +23,21 @@ def parse(codelet):
 
         Read the result from the named pipe and turn it into a dict.
     """
-    pass
+
+    with open(WRITE_F, 'a') as wf:
+        wf.write('pid:' + str(pid) + '\n')
+        wf.write('body:\n' + codelet.code)
+
+    read_f = '../../tmp/%s_py.data' % str(pid)
+    data = ''
+
+    while data == '':
+        with open(read_f) as rf:
+            data = rf.read()
+
+    os.remove(read_f)
+
+    results = data.split('\n')
+    codelet.language = results[0].split(',')[1]
+    codelet.symbols = ast.literal_eval(results[1].split(',')[1])
 
diff --git a/parsers/src/org/bitshift/parsers/Parse.java b/parsers/src/org/bitshift/parsers/Parse.java
new file mode 100644
index 0000000..e69de29
diff --git a/parsers/src/org/bitshift/parsers/langs/CParser.java b/parsers/src/org/bitshift/parsers/langs/CParser.java
new file mode 100644
index 0000000..e69de29
diff --git a/parsers/src/org/bitshift/parsers/langs/JavaParser.java b/parsers/src/org/bitshift/parsers/langs/JavaParser.java
new file mode 100644
index 0000000..e69de29
diff --git a/parsers/src/org/bitshift/parsers/langs/PythonParser.java b/parsers/src/org/bitshift/parsers/langs/PythonParser.java
new file mode 100644
index 0000000..e69de29
diff --git a/parsers/src/org/bitshift/parsers/langs/RubyParser.java b/parsers/src/org/bitshift/parsers/langs/RubyParser.java
new file mode 100644
index 0000000..e69de29