Fix bindc_09

Author: certik

integration_tests/CMakeLists.txt

@@ -374,6 +374,7 @@ RUN(NAME bindc_04            LABELS llvm c NOFAST)
 RUN(NAME bindc_07            LABELS cpython llvm c NOFAST)
 RUN(NAME bindc_08            LABELS cpython llvm c)
 RUN(NAME bindc_09            LABELS cpython llvm c)
+RUN(NAME bindc_09b           LABELS cpython llvm c)
 RUN(NAME bindc_10            LABELS cpython llvm c NOFAST)
 RUN(NAME bindc_11            LABELS cpython) # This is CPython test only
 RUN(NAME exit_01             LABELS cpython llvm c NOFAST)

integration_tests/bindc_09.py

@@ -1,14 +1,14 @@
 from enum import Enum
 
-from lpython import CPtr, c_p_pointer, p_c_pointer, dataclass, empty_c_void_p, pointer, Pointer, i32, ccallable
+from lpython import (CPtr, c_p_pointer, p_c_pointer, dataclass, empty_c_void_p,
+        pointer, Pointer, i32, ccallable, InOut)
 
 class Value(Enum):
     TEN: i32 = 10
     TWO: i32 = 2
     ONE: i32 = 1
     FIVE: i32 = 5
 
-@ccallable
 @dataclass
 class Foo:
     value: Value
@@ -18,8 +18,7 @@ class Foo:
 class FooC:
     value: Value
 
-def bar(foo_ptr: CPtr) -> None:
-    foo: Pointer[Foo] = c_p_pointer(foo_ptr, Foo)
+def bar(foo: InOut[Foo]) -> None:
     foo.value = Value.FIVE
 
 def barc(foo_ptr: CPtr) -> None:
@@ -31,8 +30,7 @@ def main() -> None:
     fooc: FooC = FooC(Value.TWO)
     foo_ptr: CPtr = empty_c_void_p()
 
-    p_c_pointer(pointer(foo), foo_ptr)
-    bar(foo_ptr)
+    bar(foo)
     print(foo.value, foo.value.name)
     assert foo.value == Value.FIVE
 

integration_tests/bindc_09b.py

@@ -0,0 +1,44 @@
+from enum import Enum
+
+from lpython import CPtr, c_p_pointer, p_c_pointer, dataclass, empty_c_void_p, pointer, Pointer, i32, ccallable
+
+class Value(Enum):
+    TEN: i32 = 10
+    TWO: i32 = 2
+    ONE: i32 = 1
+    FIVE: i32 = 5
+
+@ccallable
+@dataclass
+class Foo:
+    value: Value
+
+@ccallable
+@dataclass
+class FooC:
+    value: Value
+
+def bar(foo_ptr: CPtr) -> None:
+    foo: Pointer[Foo] = c_p_pointer(foo_ptr, Foo)
+    foo.value = Value.FIVE
+
+def barc(foo_ptr: CPtr) -> None:
+    foo: Pointer[FooC] = c_p_pointer(foo_ptr, FooC)
+    foo.value = Value.ONE
+
+def main() -> None:
+    foo: Foo = Foo(Value.TEN)
+    fooc: FooC = FooC(Value.TWO)
+    foo_ptr: CPtr = empty_c_void_p()
+
+    p_c_pointer(pointer(foo), foo_ptr)
+    bar(foo_ptr)
+    print(foo.value)
+    assert foo.value == Value.FIVE.value
+
+    p_c_pointer(pointer(fooc), foo_ptr)
+    barc(foo_ptr)
+    print(fooc.value)
+    assert fooc.value == Value.ONE.value
+
+main()