1 files changed, 80 insertions, 0 deletions
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())