Implement list concat in AST->ASR

namannimmo10 · namannimmo10 · commit 397882e1b4e2 · 2022-04-23T04:45:47.000+05:30
diff --git a/src/lpython/semantics/python_ast_to_asr.cpp b/src/lpython/semantics/python_ast_to_asr.cpp
@@ -814,6 +814,11 @@ class CommonVisitor : public AST::BaseVisitor<Derived> {
                                     value);
             return;
 
+        } else if (ASR::is_a<ASR::List_t>(*left_type) && ASR::is_a<ASR::List_t>(*right_type)
+                   && op == ASR::binopType::Add) {
+            dest_type = left_type;
+            tmp = ASR::make_ListConcat_t(al, loc, left, right, dest_type, value);
+            return;
         } else {
             std::string ltype = ASRUtils::type_to_str(ASRUtils::expr_type(left));
             std::string rtype = ASRUtils::type_to_str(ASRUtils::expr_type(right));
