[Mumps2Py:] [125] added M_eval to handle M indirection expressions.

[subversion@xxxxxxxxxxxxx]

Revision: 125
Author:   pgallot
Date:     2008-02-22 03:34:21 +0000 (Fri, 22 Feb 2008)

Log Message:
-----------
added M_eval to handle M indirection expressions.

Modified Paths:
--------------
    trunk/mumps2py/mumpsCL.py


Modified: trunk/mumps2py/mumpsCL.py
===================================================================
--- trunk/mumps2py/mumpsCL.py	2008-02-22 03:28:51 UTC (rev 124)
+++ trunk/mumps2py/mumpsCL.py	2008-02-22 03:34:21 UTC (rev 125)
@@ -24,6 +24,15 @@
 # value. F i:1:1:10 iterates from 1 to 10, inclusive. the equivalent would be
 # range(1, 11)
 
+def M_eval(line, loc_adr_space):
+    """parses, translates, and evaluates a string as a Mumps expression"""
+    from mumps2py import parse_expr, Translation, translate_expr
+    
+    token = parse_expr(line, 0)
+    translation = Translation(None)
+    expression = translate_expr(translation, token)
+    return eval(expression, loc_adr_space)
+
 def Mf_horolog(timestamp = None):
     """function that emulates Mumps $Horolog variable."""
     if timestamp == None: