end
+redef class AAssertExpr
+ redef fun stmt(v) do
+ var cond = v.expr_bool(self.n_expr)
+ v.add("if (!{cond}) \{")
+ v.stmt(self.n_else)
+ var nid = self.n_id
+ if nid != null then
+ v.add_abort("Assert '{nid.text}' failed")
+ else
+ v.add_abort("Assert failed")
+ end
+ v.add("\}")
+ end
+end
+
+redef class AImpliesExpr
+ redef fun expr(v) do
+ var res = v.new_var(mtype.as(not null))
+ var i1 = v.expr_bool(n_expr)
+ v.add("if (!{i1}) \{")
+ v.add("{res} = true;")
+ v.add("\} else \{")
+ var i2 = v.expr_bool(n_expr2)
+ v.add("{res} = {i2};")
+ v.add("\}")
+ return res
+ end
+end
+
+redef class AOrElseExpr
+ redef fun expr(v)
+ do
+ var res = v.new_var(self.mtype.as(not null))
+ var i1 = v.expr(self.n_expr, null)
+ v.add("if ({i1} != null && !{i1}.is_null()) \{")
+ v.assign(res, i1)
+ v.add("\} else \{")
+ var i2 = v.expr(self.n_expr2, null)
+ v.assign(res, i2)
+ v.add("\}")
+ return res
+ end
+end
+
+redef class AOrExpr
+ redef fun expr(v) do
+ var res = v.new_var(self.mtype.as(not null))
+ var i1 = v.expr_bool(self.n_expr)
+ v.add("if ({i1}) \{")
+ v.add("{res} = true;")
+ v.add("\} else \{")
+ var i2 = v.expr_bool(self.n_expr2)
+ v.add("{res} = {i2};")
+ v.add("\}")
+ return res
+ end
+end
+
+redef class AAndExpr
+ redef fun expr(v) do
+ var res = v.new_var(self.mtype.as(not null))
+ var i1 = v.expr_bool(self.n_expr)
+ v.add("if (!{i1}) \{")
+ v.add("{res} = false;")
+ v.add("\} else \{")
+ var i2 = v.expr_bool(self.n_expr2)
+ v.add("{res} = {i2};")
+ v.add("\}")
+ return res
+ end
+end
+
redef class ANotExpr
redef fun expr(v) do
var cond = v.expr_bool(self.n_expr)