Add Visit Ellipsis

integration_tests/CMakeLists.txt

@@ -542,6 +542,7 @@ RUN(NAME test_generics_01    LABELS cpython llvm c NOFAST)
 RUN(NAME test_cmath          LABELS cpython llvm c NOFAST)
 RUN(NAME test_complex_01        LABELS cpython llvm c wasm wasm_x64)
 RUN(NAME test_complex_02        LABELS cpython llvm c)
+RUN(NAME test_ConstantEllipsis  LABLES cpython llvm c)
 RUN(NAME test_max_min        LABELS cpython llvm c)
 RUN(NAME test_global         LABELS cpython llvm c)
 RUN(NAME test_global_decl    LABELS cpython llvm c)

integration_tests/test_ConstantEllipsis

@@ -0,0 +1,13 @@
+from lpython import i32
+
+def test_Ellipsis_Function():
+    ...
+
+def test_Ellipsis_For():
+    i:i32
+    for i in range(5):
+        ...
+
+def main0():
+    test_Ellipsis_Function()
+    test_Ellipsis_For()

src/lpython/semantics/python_ast_to_asr.cpp

@@ -6236,6 +6236,10 @@ class BodyVisitor : public CommonVisitor<BodyVisitor> {
         }
     }
 
+    void visit_ConstantEllipsis(const AST::ConstantEllipsis_t &/*x*/) {
+        tmp = nullptr;
+    }
+
     void visit_Pass(const AST::Pass_t &/*x*/) {
         tmp = nullptr;
     }
@@ -6443,7 +6447,7 @@ class BodyVisitor : public CommonVisitor<BodyVisitor> {
         // If tmp is a statement and not an expression
         // never cast into expression using ASRUtils::EXPR
         // Just ignore and exit the function naturally.
-        if( !ASR::is_a<ASR::stmt_t>(*tmp) ) {
+        if( tmp && !ASR::is_a<ASR::stmt_t>(*tmp) ) {
             LCOMPILERS_ASSERT(ASR::is_a<ASR::expr_t>(*tmp));
             tmp = nullptr;
         }