From 11519c46c42e1dc65614ad9ba214604561b9788e Mon Sep 17 00:00:00 2001
From: "John (J5) Palmieri" <johnp@redhat.com>
Date: Mon, 21 Mar 2005 21:13:56 +0000
Subject: * python/lvalue_cast_post_process.py - added post processor to fix
 Pyrex   code so that it compiles with gcc4.0

* python/Makefile.am: Added lvalue_cast_post_process.py to EXTRA_DIST
  run dbus_bindings.c through lvalue_cast_post_process.py and copy the
  results back to dbus_binding.c
---
 ChangeLog                          |  9 +++++
 python/Makefile.am                 |  7 +++-
 python/lvalue_cast_post_process.py | 80 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 94 insertions(+), 2 deletions(-)
 create mode 100755 python/lvalue_cast_post_process.py

diff --git a/ChangeLog b/ChangeLog
index 9527ca88..5a49f8b2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2005-03-21  John (J5) Palmieri  <johnp@redhat.com>
+
+	* python/lvalue_cast_post_process.py - added post processor to fix Pyrex
+	  code so that it compiles with gcc4.0
+
+	* python/Makefile.am: Added lvalue_cast_post_process.py to EXTRA_DIST
+	  run dbus_bindings.c through lvalue_cast_post_process.py and copy the
+	  results back to dbus_binding.c
+
 2005-03-20  Colin Walters  <walters@verbum.org>
 
 	Patch suggested by Inguva Rajasekhar <ringuva@novell.com>.
diff --git a/python/Makefile.am b/python/Makefile.am
index 25191630..3fd678b3 100644
--- a/python/Makefile.am
+++ b/python/Makefile.am
@@ -16,7 +16,8 @@ nodist_dbus_bindings_la_SOURCES = dbus_bindings.c
 EXTRA_DIST = 			\
 	dbus_h_wrapper.h	\
 	dbus_bindings.pyx.in	\
-	extract.py
+	extract.py		\
+	lvalue_cast_post_process.py	
 
 CLEANFILES =			\
 	dbus_bindings.pyx	\
@@ -26,5 +27,7 @@ CLEANFILES =			\
 dbus_bindings.pyx: dbus_bindings.pyx.in extract.py
 	-$(PYTHON) extract.py dbus_bindings.pyx.in -I$(top_builddir)  > dbus_bindings.pyx
 
-dbus_bindings.c: dbus_bindings.pyx
+dbus_bindings.c: dbus_bindings.pyx lvalue_cast_post_process.py
 	-pyrexc dbus_bindings.pyx
+	-$(PYTHON) lvalue_cast_post_process.py dbus_bindings.c
+	-mv dbus_bindings.c.gcc4fix dbus_bindings.c
diff --git a/python/lvalue_cast_post_process.py b/python/lvalue_cast_post_process.py
new file mode 100755
index 00000000..66129004
--- /dev/null
+++ b/python/lvalue_cast_post_process.py
@@ -0,0 +1,80 @@
+#!/bin/env python
+
+import re
+import sys
+
+exp_pattern = re.compile('(.*)=(.*);')
+lval_pyobject_pattern = re.compile('\s*\(\((PyObject[ ]?\*)\)([A-Za-z0-9_ ]+)\)')
+lval_structcast_pattern = re.compile('\s*\((struct [A-Za-z0-9_]+ \*)\)([A-Za-z0-9_]+)\-\>([A-Za-z0-9_]+)')
+
+def parse_expression(exp):
+	exp_match = exp_pattern.match(exp)
+	if exp_match:
+		lvalue = exp_match.group(1)
+		rvalue = exp_match.group(2)
+
+		lval_match = lval_pyobject_pattern.match(lvalue)
+
+		if lval_match:
+			cast = lval_match.group(1)
+			lvar = lval_match.group(2)
+
+			return "%s = (%s)(%s);" % (lvar, cast, rvalue)
+		else:
+			lval_match = lval_structcast_pattern.match(lvalue)
+			if lval_match:
+				cast = lval_match.group(1)
+				casted_var = lval_match.group(2)
+				member_var = lval_match.group(3)
+
+				result = "%s->%s = ((%s)%s);" % (
+					    casted_var, 
+					    member_var, 
+					    cast,
+					    rvalue)
+
+				return result
+
+	return None
+
+def main():
+	if len(sys.argv) != 2:
+		print "USAGE: " + sys.argv[0] + " <file name>" 
+		return(-1)	
+
+	file = sys.argv[1]
+	f = open(file)
+	gcc4fix_filename = file + ".gcc4fix"
+	outputf = open(gcc4fix_filename, 'w')
+
+	lines = f.readlines()
+	f.close()
+	for line in lines:
+		c = line.count(";")
+		if c == 0:
+			outputf.write(line)
+			continue
+
+		exprs = line.split(';')
+		line = ""
+		last = exprs.pop()
+		for expr in exprs:
+			expr = expr + ";"
+
+			result = parse_expression(expr)
+			if result:
+				line = line + result
+			else:
+				line = line + expr
+
+		if (last.strip()!=''):
+			line = line + last
+		else:
+			line = line + "\n"
+			
+		outputf.write(line)
+	
+	outputf.close()
+
+if __name__ == "__main__":
+	sys.exit(main())
-- 
cgit