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
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
# Copyright 2022 Mark Bolhuis <mark@bolhuis.dev>
# 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.
from __future__ import annotations
import os
import typing as T
from . import ExtensionModule, ModuleReturnValue, ModuleInfo
from ..build import CustomTarget
from ..interpreter.type_checking import NoneType, in_set_validator
from ..interpreterbase import typed_pos_args, typed_kwargs, KwargInfo
from ..mesonlib import File, MesonException
if T.TYPE_CHECKING:
from typing_extensions import Literal, TypedDict
from . import ModuleState
from ..build import Executable
from ..dependencies import Dependency
from ..interpreter import Interpreter
from ..programs import ExternalProgram
from ..mesonlib import FileOrString
class ScanXML(TypedDict):
public: bool
client: bool
server: bool
class FindProtocol(TypedDict):
state: Literal['stable', 'staging', 'unstable']
version: T.Optional[int]
class WaylandModule(ExtensionModule):
INFO = ModuleInfo('wayland', '0.62.0', unstable=True)
def __init__(self, interpreter: Interpreter) -> None:
super().__init__(interpreter)
self.protocols_dep: T.Optional[Dependency] = None
self.pkgdatadir: T.Optional[str] = None
self.scanner_bin: T.Optional[T.Union[ExternalProgram, Executable]] = None
self.methods.update({
'scan_xml': self.scan_xml,
'find_protocol': self.find_protocol,
})
@typed_pos_args('wayland.scan_xml', varargs=(str, File), min_varargs=1)
@typed_kwargs(
'wayland.scan_xml',
KwargInfo('public', bool, default=False),
KwargInfo('client', bool, default=True),
KwargInfo('server', bool, default=False),
)
def scan_xml(self, state: ModuleState, args: T.Tuple[T.List[FileOrString]], kwargs: ScanXML) -> ModuleReturnValue:
if self.scanner_bin is None:
# wayland-scanner from BUILD machine must have same version as wayland
# libraries from HOST machine.
dep = state.dependency('wayland-client')
self.scanner_bin = state.find_tool('wayland-scanner', 'wayland-scanner', 'wayland_scanner',
wanted=dep.version)
scope = 'public' if kwargs['public'] else 'private'
# We have to cast because mypy can't deduce these are literals
sides = [i for i in T.cast("T.List[Literal['client', 'server']]", ['client', 'server']) if kwargs[i]]
if not sides:
raise MesonException('At least one of client or server keyword argument must be set to true.')
xml_files = self.interpreter.source_strings_to_files(args[0])
targets: T.List[CustomTarget] = []
for xml_file in xml_files:
name = os.path.splitext(os.path.basename(xml_file.fname))[0]
code = CustomTarget(
f'{name}-protocol',
state.subdir,
state.subproject,
state.environment,
[self.scanner_bin, f'{scope}-code', '@INPUT@', '@OUTPUT@'],
[xml_file],
[f'{name}-protocol.c'],
backend=state.backend,
)
targets.append(code)
for side in sides:
header = CustomTarget(
f'{name}-{side}-protocol',
state.subdir,
state.subproject,
state.environment,
[self.scanner_bin, f'{side}-header', '@INPUT@', '@OUTPUT@'],
[xml_file],
[f'{name}-{side}-protocol.h'],
backend=state.backend,
)
targets.append(header)
return ModuleReturnValue(targets, targets)
@typed_pos_args('wayland.find_protocol', str)
@typed_kwargs(
'wayland.find_protocol',
KwargInfo('state', str, default='stable', validator=in_set_validator({'stable', 'staging', 'unstable'})),
KwargInfo('version', (int, NoneType)),
)
def find_protocol(self, state: ModuleState, args: T.Tuple[str], kwargs: FindProtocol) -> File:
base_name = args[0]
xml_state = kwargs['state']
version = kwargs['version']
if xml_state != 'stable' and version is None:
raise MesonException(f'{xml_state} protocols require a version number.')
if xml_state == 'stable' and version is not None:
raise MesonException('stable protocols do not require a version number.')
if self.protocols_dep is None:
self.protocols_dep = state.dependency('wayland-protocols')
if self.pkgdatadir is None:
self.pkgdatadir = self.protocols_dep.get_variable(pkgconfig='pkgdatadir', internal='pkgdatadir')
if xml_state == 'stable':
xml_name = f'{base_name}.xml'
elif xml_state == 'staging':
xml_name = f'{base_name}-v{version}.xml'
else:
xml_name = f'{base_name}-unstable-v{version}.xml'
path = os.path.join(self.pkgdatadir, xml_state, base_name, xml_name)
if not os.path.exists(path):
raise MesonException(f'The file {path} does not exist.')
return File.from_absolute_file(path)
def initialize(interpreter: Interpreter) -> WaylandModule:
return WaylandModule(interpreter)
|
