nitc: handle the new `implies` operator

[nit.git] / src / syntax / icode_generation.nit

diff --git a/src/syntax/icode_generation.nit b/src/syntax/icode_generation.nit
index a4e0c42..6993719 100644 (file)
--- a/src/syntax/icode_generation.nit
+++ b/src/syntax/icode_generation.nit
@@ -787,6 +787,28 @@ redef class AOrExpr
        end
 end
 
+redef class AImpliesExpr
+       redef fun generate_icode(v)
+       do
+               # Prepare result
+               var reg = v.new_register(stype)
+
+               # Process left operand (in a if/then)
+               var iif = new IIf(v.generate_expr(n_expr))
+               v.stmt(iif)
+               var seq_old = v.seq
+               v.seq = iif.else_seq
+               v.add_assignment(reg, v.lit_true_reg)
+
+               # Process right operand (in the else)
+               v.seq = iif.then_seq
+               v.add_assignment(reg, v.generate_expr(n_expr2))
+
+               v.seq = seq_old
+               return reg
+       end
+end
+
 redef class AAndExpr
        redef fun generate_icode(v)
        do