Add a test for lpython emulation mode

integration_tests/CMakeLists.txt

@@ -76,12 +76,13 @@ message("LPYTHON_RTLIB_DIR: ${LPYTHON_RTLIB_DIR}")
 message("LPYTHON_RTLIB_LIBRARY: ${LPYTHON_RTLIB_LIBRARY}")
 
 
-macro(RUN_UTIL RUN_FAIL RUN_NAME RUN_FILE_NAME RUN_LABELS RUN_EXTRAFILES RUN_EXTRA_ARGS RUN_COPY_TO_BIN)
+macro(RUN_UTIL RUN_FAIL RUN_NAME RUN_FILE_NAME RUN_LABELS RUN_EXTRAFILES RUN_NOMOD RUN_EXTRA_ARGS RUN_COPY_TO_BIN)
  set(fail ${${RUN_FAIL}})
  set(name ${${RUN_NAME}})
  set(file_name ${${RUN_FILE_NAME}})
  set(labels ${${RUN_LABELS}})
  set(extra_files ${${RUN_EXTRAFILES}})
+ set(no_mod ${${RUN_NOMOD}})
  set(extra_args ${${RUN_EXTRA_ARGS}})
  set(copy_to_bin ${${RUN_COPY_TO_BIN}})
 
@@ -213,8 +214,13 @@ macro(RUN_UTIL RUN_FAIL RUN_NAME RUN_FILE_NAME RUN_LABELS RUN_EXTRAFILES RUN_EXT
  endif()
 
  add_test(${name} python ${CMAKE_CURRENT_SOURCE_DIR}/${file_name}.py)
- set_tests_properties(${name} PROPERTIES
- ENVIRONMENT "PYTHONPATH=${CMAKE_SOURCE_DIR}/../src/runtime/lpython:${CMAKE_SOURCE_DIR}/..;LPYTHON_PY_MOD_NAME=${PY_MOD};LPYTHON_PY_MOD_PATH=${CMAKE_CURRENT_BINARY_DIR}")
+ if (no_mod)
+ set_tests_properties(${name} PROPERTIES
+ ENVIRONMENT "PYTHONPATH=${CMAKE_SOURCE_DIR}/../src/runtime/lpython:${CMAKE_SOURCE_DIR}/..")
+ else()
+ set_tests_properties(${name} PROPERTIES
+ ENVIRONMENT "PYTHONPATH=${CMAKE_SOURCE_DIR}/../src/runtime/lpython:${CMAKE_SOURCE_DIR}/..;LPYTHON_PY_MOD_NAME=${PY_MOD};LPYTHON_PY_MOD_PATH=${CMAKE_CURRENT_BINARY_DIR}")
+ endif()
  if (labels)
  set_tests_properties(${name} PROPERTIES LABELS "${labels}")
  endif()
@@ -305,7 +311,7 @@ macro(RUN_UTIL RUN_FAIL RUN_NAME RUN_FILE_NAME RUN_LABELS RUN_EXTRAFILES RUN_EXT
 endmacro(RUN_UTIL)
 
 macro(RUN)
- set(options FAIL NOFAST ENABLE_CPYTHON LINK_NUMPY)
+ set(options FAIL NOFAST NOMOD ENABLE_CPYTHON LINK_NUMPY)
  set(oneValueArgs NAME IMPORT_PATH COPY_TO_BIN)
  set(multiValueArgs LABELS EXTRAFILES)
  cmake_parse_arguments(RUN "${options}" "${oneValueArgs}"
@@ -329,14 +335,14 @@ macro(RUN)
  endif()
 
  if (NOT FAST)
- RUN_UTIL(RUN_FAIL RUN_NAME RUN_FILE_NAME RUN_LABELS RUN_EXTRAFILES RUN_EXTRA_ARGS RUN_COPY_TO_BIN)
+ RUN_UTIL(RUN_FAIL RUN_NAME RUN_FILE_NAME RUN_LABELS RUN_EXTRAFILES RUN_NOMOD RUN_EXTRA_ARGS RUN_COPY_TO_BIN)
  endif()
 
  if ((FAST) AND (NOT RUN_NOFAST))
  set(RUN_EXTRA_ARGS ${RUN_EXTRA_ARGS} --fast)
  set(RUN_NAME "${RUN_NAME}_FAST")
  list(REMOVE_ITEM RUN_LABELS cpython cpython_sym) # remove cpython, cpython_sym, from --fast test
- RUN_UTIL(RUN_FAIL RUN_NAME RUN_FILE_NAME RUN_LABELS RUN_EXTRAFILES RUN_EXTRA_ARGS RUN_COPY_TO_BIN)
+ RUN_UTIL(RUN_FAIL RUN_NAME RUN_FILE_NAME RUN_LABELS RUN_EXTRAFILES RUN_NOMOD RUN_EXTRA_ARGS RUN_COPY_TO_BIN)
  endif()
 endmacro(RUN)
 
@@ -763,3 +769,6 @@ RUN(NAME lpython_decorator_01 LABELS cpython)
 RUN(NAME lpython_decorator_02 LABELS cpython)
 
 COMPILE(NAME import_order_01 LABELS cpython llvm c) # any
+
+# LPython emulation mode
+RUN(NAME lpython_emulation_01 LABELS cpython NOMOD)

integration_tests/lpython_emulation_01.py

@@ -0,0 +1,21 @@
+import lpython_emulation_01_mod
+import lpython
+from lpython import ccall, i64
+from types import FunctionType
+lpython.CTypes.emulations = {k: v for k, v in \
+ lpython_emulation_01_mod.__dict__.items() \
+ if isinstance(v, FunctionType)}
+
+@ccall
+def f1(a: i64) -> i64:
+ pass
+
+@ccall
+def f2(a: i64):
+ pass
+
+def main():
+ assert f1(2) == 3
+ f2(4)
+
+main()

integration_tests/lpython_emulation_01_mod.py

@@ -0,0 +1,7 @@
+from lpython import i64
+
+def f1(a: i64) -> i64:
+ return a + 1
+
+def f2(a: i64):
+ assert a == 4

src/runtime/lpython/lpython.py

@@ -377,6 +377,7 @@ def get_crtlib_path():
  arg_ctype = convert_type_to_ctype(arg_type)
  argtypes.append(arg_ctype)
  self.cf.argtypes = argtypes
+ self.cf.restype = None
  if "return" in self.annotations:
  res_type = self.annotations["return"]
  if res_type is not None: