diff --git a/new_syntax/test.py b/new_syntax/test.py
new file mode 100644
index 0000000000000000000000000000000000000000..48e25a32b021c25eef45fef2cb9d3e2fbb3ecd4d
--- /dev/null
+++ b/new_syntax/test.py
@@ -0,0 +1,36 @@
+import ast
+import inspect
+
+
+def lj(i, j):
+    sr2 = 1.0 / rsq(i, j)
+    sr6 = sr2 * sr2 * sr2 * sigma6
+    force[i] += delta(i, j) * 48.0 * sr6 * (sr6 - 0.5) * sr2 * epsilon
+
+
+def euler(i):
+    velocity[i] += dt * force[i] / mass[i]
+    position[i] += dt * velocity[i]
+
+
+class BuildParticleAST(ast.NodeVisitor):
+    def __init__(self, sim):
+        self.sim = sim
+        self.block = Block([])
+        self.temp_values = {}
+
+    def visit_Assign(self, node):
+        print(node.targets[0].id)
+        print(node.value)
+
+    def visit_AugAssign(self, node):
+        print(node.targets[0].id)
+        print(node.value)
+
+
+lj_src = inspect.getsource(lj)
+#print(ast.dump(ast.parse(lj_src, mode='eval'), indent=4))
+tree = ast.parse(lj_src, mode='exec')
+build = BuildParticleAST()
+build.visit(tree)
+#print(ast.dump(ast.parse(lj_src, mode='exec')))
diff --git a/particle.py b/particle.py
index f46612644d8d87433b43e5dc49aba3cc98754671..e3bd7897ad9beca13548bac4607745ae1c0a9c42 100644
--- a/particle.py
+++ b/particle.py
@@ -14,6 +14,18 @@ position = psim.add_vector_property('position')
 velocity = psim.add_vector_property('velocity')
 force = psim.add_vector_property('force', vol=True)
 
+#def lj(i, j):
+#    sr2 = 1.0 / rsq(i, j)
+#    sr6 = sr2 * sr2 * sr2 * sigma6
+#    force[i] += delta(i, j) * 48.0 * sr6 * (sr6 - 0.5) * sr2 * epsilon
+
+#def euler(i):
+#    velocity[i] += dt * force[i] / mass[i]
+#    position[i] += dt * velocity[i]
+
+# psim.compute(lj)
+# psim.compute(euler)
+
 #grid = psim.grid_3d(0.0, 4.0, 0.0, 4.0, 0.0, 4.0)
 #psim.create_particle_lattice(grid, spacing=[0.82323, 0.82323, 0.82323])
 psim.from_file("data/minimd_setup_4x4x4.input", ['mass', 'position', 'velocity'])