refactor: c10::string_view -> std::string_view in executorch

Differential Revision: D67312326

Author: r-barnes

backends/vulkan/test/op_tests/utils/aten_types.py

@@ -24,7 +24,8 @@
 OPT_LAYOUT = "::std::optional<at::Layout>"
 OPT_MEMORY_FORMAT = "::std::optional<at::MemoryFormat>"
 OPT_SCALAR_TYPE = "::std::optional<at::ScalarType>"
-STRING = "c10::string_view"
+STRING = "std::string_view"
+OLD_STRING = "c10::string_view"
 TWO_TENSOR_TUPLE = "::std::tuple<at::Tensor,at::Tensor>"
 THREE_TENSOR_TUPLE = "::std::tuple<at::Tensor,at::Tensor,at::Tensor>"
 TENSOR_VECTOR = "::std::vector<at::Tensor>"

backends/vulkan/test/op_tests/utils/gen_computegraph.py

@@ -16,6 +16,7 @@
     BOOL,
     DOUBLE,
     INT,
+    OLD_STRING,
     OPT_AT_DOUBLE_ARRAY_REF,
     OPT_AT_INT_ARRAY_REF,
     OPT_AT_TENSOR,
@@ -398,7 +399,7 @@ def create_value_for(  # noqa: C901
             or ref.src_cpp_type == OPT_MEMORY_FORMAT
         ):
             ret_str += "add_none(); \n"
-        elif ref.src_cpp_type == STRING:
+        elif ref.src_cpp_type == STRING or ref.src_cpp_type == OLD_STRING:
             ret_str += f"add_string(std::string({ref.src_cpp_name})); \n"
         elif ref.src_cpp_type == TWO_TENSOR_TUPLE:
             ret_str += f"add_value_list({{{ref.name}_first, {ref.name}_second}}); \n"

backends/vulkan/test/op_tests/utils/gen_correctness_base.py

@@ -15,6 +15,7 @@
     BOOL,
     DOUBLE,
     INT,
+    OLD_STRING,
     OPT_AT_DOUBLE_ARRAY_REF,
     OPT_AT_INT_ARRAY_REF,
     OPT_AT_TENSOR,
@@ -192,8 +193,8 @@ def create_input_data(self, arg: Argument, data: Any) -> str:  # noqa: C901
                 ret_str += "std::nullopt;"
             else:
                 ret_str += f"{str(data)};"
-        elif cpp_type == STRING:
-            ret_str += f'c10::string_view("{data}");'
+        elif cpp_type == STRING or cpp_type == OLD_STRING:
+            ret_str += f'std::string_view("{data}");'
         elif (
             cpp_type == OPT_SCALAR_TYPE
             or cpp_type == OPT_LAYOUT

runtime/core/exec_aten/exec_aten.h

@@ -57,7 +57,7 @@ using TensorShapeDynamism = executorch::runtime::TensorShapeDynamism;
 using Tensor = at::Tensor;
 using TensorList = at::TensorList;
 using TensorImpl = at::TensorImpl;
-using string_view = c10::string_view;
+using string_view = std::string_view;
 template <typename T>
 using ArrayRef = c10::ArrayRef<T>;
 template <typename T>