Move more generators into 'try' blocks

kernel/modelverse_jit/jit.py

@@ -372,11 +372,11 @@ class AnalysisState(object):
             ("RD", [instruction_id, "then"]),
             ("RD", [instruction_id, "else"])]
 
-        gen = self.analyze_all(
-            [cond, true]
-            if false is None
-            else [cond, true, false])
         try:
+            gen = self.analyze_all(
+                [cond, true]
+                if false is None
+                else [cond, true, false])
             inp = None
             while True:
                 inp = yield gen.send(inp)
@@ -398,8 +398,8 @@ class AnalysisState(object):
             ("RD", [instruction_id, "cond"]),
             ("RD", [instruction_id, "body"])]
 
-        gen = self.analyze_all([cond, body])
         try:
+            gen = self.analyze_all([cond, body])
             inp = None
             while True:
                 inp = yield gen.send(inp)
@@ -439,8 +439,8 @@ class AnalysisState(object):
         # yield None
 
         value_id, = yield [("RD", [instruction_id, "value"])]
-        gen = self.analyze(value_id)
         try:
+            gen = self.analyze(value_id)
             inp = None
             while True:
                 inp = yield gen.send(inp)