1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
# Copyright 2024 The Bazel Authors. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""All providers for rule-based bazel toolchain config."""
load("//cc/toolchains/impl:args_utils.bzl", "validate_nested_args")
load(
"//cc/toolchains/impl:collect.bzl",
"collect_action_types",
"collect_files",
"collect_provider",
)
load(
"//cc/toolchains/impl:nested_args.bzl",
"NESTED_ARGS_ATTRS",
"args_wrapper_macro",
"nested_args_provider_from_ctx",
)
load(
":cc_toolchain_info.bzl",
"ActionTypeSetInfo",
"ArgsInfo",
"ArgsListInfo",
"BuiltinVariablesInfo",
"FeatureConstraintInfo",
)
visibility("public")
def _cc_args_impl(ctx):
actions = collect_action_types(ctx.attr.actions)
if not ctx.attr.args and not ctx.attr.nested and not ctx.attr.env:
fail("cc_args requires at least one of args, nested, and env")
nested = None
if ctx.attr.args or ctx.attr.nested:
nested = nested_args_provider_from_ctx(ctx)
validate_nested_args(
variables = ctx.attr._variables[BuiltinVariablesInfo].variables,
nested_args = nested,
actions = actions.to_list(),
label = ctx.label,
)
files = nested.files
else:
files = collect_files(ctx.attr.data)
requires = collect_provider(ctx.attr.requires_any_of, FeatureConstraintInfo)
args = ArgsInfo(
label = ctx.label,
actions = actions,
requires_any_of = tuple(requires),
nested = nested,
env = ctx.attr.env,
files = files,
)
return [
args,
ArgsListInfo(
label = ctx.label,
args = tuple([args]),
files = files,
by_action = tuple([
struct(action = action, args = tuple([args]), files = files)
for action in actions.to_list()
]),
),
]
_cc_args = rule(
implementation = _cc_args_impl,
attrs = {
"actions": attr.label_list(
providers = [ActionTypeSetInfo],
mandatory = True,
doc = """A list of action types that this flag set applies to.
See @rules_cc//cc/toolchains/actions:all for valid options.
""",
),
"env": attr.string_dict(
doc = "Environment variables to be added to the command-line.",
),
"requires_any_of": attr.label_list(
providers = [FeatureConstraintInfo],
doc = """This will be enabled when any of the constraints are met.
If omitted, this flag set will be enabled unconditionally.
""",
),
"_variables": attr.label(
default = "//cc/toolchains/variables:variables",
),
} | NESTED_ARGS_ATTRS,
provides = [ArgsInfo],
doc = """Declares a list of arguments bound to a set of actions.
Roughly equivalent to ctx.actions.args()
Examples:
cc_args(
name = "warnings_as_errors",
args = ["-Werror"],
)
""",
)
cc_args = lambda **kwargs: args_wrapper_macro(rule = _cc_args, **kwargs)
|
