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1# Copyright 2019 The Pigweed Authors
2#
3# Licensed under the Apache License, Version 2.0 (the "License"); you may not
4# use this file except in compliance with the License. You may obtain a copy of
5# the License at
6#
7#     https://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
11# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
12# License for the specific language governing permissions and limitations under
13# the License.
14
15import("//build_overrides/pigweed.gni")
16
17import("$dir_pw_bloat/bloat.gni")
18import("$dir_pw_build/target_types.gni")
19import("$dir_pw_docgen/docs.gni")
20import("$dir_pw_unit_test/test.gni")
21
22config("public_include_path") {
23  include_dirs = [ "public" ]
24}
25
26pw_source_set("pw_result") {
27  public_configs = [ ":public_include_path" ]
28  public_deps = [
29    "$dir_pw_assert",
30    "$dir_pw_preprocessor",
31    "$dir_pw_status",
32  ]
33  public = [ "public/pw_result/result.h" ]
34  sources = [ "public/pw_result/internal/result_internal.h" ]
35}
36
37pw_test_group("tests") {
38  tests = [
39    ":result_test",
40    ":expected_test",
41  ]
42}
43
44pw_test("result_test") {
45  deps = [
46    ":pw_result",
47    dir_pw_status,
48  ]
49  sources = [
50    "result_test.cc",
51    "statusor_test.cc",
52  ]
53}
54
55pw_source_set("expected") {
56  public_configs = [ ":public_include_path" ]
57  public = [ "public/pw_result/expected.h" ]
58  sources = [ "public/pw_result/internal/expected_impl.h" ]
59}
60
61pw_test("expected_test") {
62  deps = [ ":expected" ]
63  sources = [ "expected_test.cc" ]
64}
65
66pw_doc_group("docs") {
67  sources = [ "docs.rst" ]
68  report_deps = [ ":result_size" ]
69}
70
71pw_size_diff("result_size") {
72  title = "pw::Result vs. pw::Status and out pointer"
73
74  binaries = [
75    {
76      target = "size_report:result_simple"
77      base = "size_report:pointer_simple"
78      label = "Simple function"
79    },
80    {
81      target = "size_report:result_noinline"
82      base = "size_report:pointer_noinline"
83      label = "Simple function without inlining"
84    },
85    {
86      target = "size_report:result_read"
87      base = "size_report:pointer_read"
88      label = "Returning a larger object (std::span)"
89    },
90    {
91      target = "size_report:monadic_and_then"
92      base = "size_report:ladder_and_then"
93      label = "Using and_then instead of if ladder"
94    },
95    {
96      target = "size_report:monadic_or_else"
97      base = "size_report:ladder_or_else"
98      label = "Using or_else instead of if ladder"
99    },
100    {
101      target = "size_report:monadic_transform"
102      base = "size_report:ladder_transform"
103      label = "Using transform instead of if ladder"
104    },
105  ]
106}
107