end
# A Node in the static flow graph.
-# A same FlowContext can be shared by more than one ANode.
+# A same `FlowContext` can be shared by more than one `ANode`.
class FlowContext
# The reachable previous flow
var previous: Array[FlowContext] = new Array[FlowContext]
# Additional reachable flow that loop up to self.
- # Loops apears in 'loop', 'while', 'for', closure and with 'continue'
+ # Loops apears in `loop`, `while`, `for`, and with `continue`
var loops: Array[FlowContext] = new Array[FlowContext]
private var is_marked_unreachable: Bool = false
end
end
+redef class AImpliesExpr
+ redef fun accept_flow_visitor(v)
+ do
+ var after_expr = v.visit_expr(self.n_expr)
+
+ v.current_flow_context = after_expr.when_true
+ var after_expr2 = v.visit_expr(self.n_expr2)
+
+ var merge_true = v.make_merge_flow(after_expr.when_false, after_expr2.when_true)
+ merge_true.name = "OR TRUE"
+
+ v.make_true_false_flow(merge_true, after_expr2.when_false)
+ end
+end
+
redef class AAndExpr
redef fun accept_flow_visitor(v)
do
end
end
-redef class AClosureCallExpr
- redef fun accept_flow_visitor(v)
- do
- super
- # FIXME: break closure call?
- # v.make_unreachable_flow
- end
-end
-
-redef class AClosureDef
- redef fun accept_flow_visitor(v)
- do
- var before_loop = v.make_sub_flow
-
- v.enter_visit(self.n_expr)
-
- var after_block = v.current_flow_context
- before_loop.add_loop(after_block)
-
- v.make_merge_flow(v.current_flow_context, before_loop)
- end
-end
-
redef class AIsaExpr
redef fun accept_flow_visitor(v)
do