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
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
# Copyright 2012-2017 The Meson development team
# 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.
import subprocess, os.path
import textwrap
import typing as T
from .. import coredata
from ..mesonlib import (
EnvironmentException, MachineChoice, MesonException, Popen_safe,
OptionKey,
)
from .compilers import Compiler, rust_buildtype_args, clike_debug_args
if T.TYPE_CHECKING:
from ..coredata import KeyedOptionDictType
from ..envconfig import MachineInfo
from ..environment import Environment # noqa: F401
from ..linkers import DynamicLinker
from ..programs import ExternalProgram
rust_optimization_args = {
'0': [],
'g': ['-C', 'opt-level=0'],
'1': ['-C', 'opt-level=1'],
'2': ['-C', 'opt-level=2'],
'3': ['-C', 'opt-level=3'],
's': ['-C', 'opt-level=s'],
} # type: T.Dict[str, T.List[str]]
class RustCompiler(Compiler):
# rustc doesn't invoke the compiler itself, it doesn't need a LINKER_PREFIX
language = 'rust'
def __init__(self, exelist: T.List[str], version: str, for_machine: MachineChoice,
is_cross: bool, info: 'MachineInfo',
exe_wrapper: T.Optional['ExternalProgram'] = None,
full_version: T.Optional[str] = None,
linker: T.Optional['DynamicLinker'] = None):
super().__init__(exelist, version, for_machine, info,
is_cross=is_cross, full_version=full_version,
linker=linker)
self.exe_wrapper = exe_wrapper
self.id = 'rustc'
self.base_options.add(OptionKey('b_colorout'))
if 'link' in self.linker.id:
self.base_options.add(OptionKey('b_vscrt'))
def needs_static_linker(self) -> bool:
return False
def sanity_check(self, work_dir: str, environment: 'Environment') -> None:
source_name = os.path.join(work_dir, 'sanity.rs')
output_name = os.path.join(work_dir, 'rusttest')
with open(source_name, 'w', encoding='utf-8') as ofile:
ofile.write(textwrap.dedent(
'''fn main() {
}
'''))
pc = subprocess.Popen(self.exelist + ['-o', output_name, source_name],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
cwd=work_dir)
_stdo, _stde = pc.communicate()
assert isinstance(_stdo, bytes)
assert isinstance(_stde, bytes)
stdo = _stdo.decode('utf-8', errors='replace')
stde = _stde.decode('utf-8', errors='replace')
if pc.returncode != 0:
raise EnvironmentException('Rust compiler {} can not compile programs.\n{}\n{}'.format(
self.name_string(),
stdo,
stde))
if self.is_cross:
if self.exe_wrapper is None:
# Can't check if the binaries run so we have to assume they do
return
cmdlist = self.exe_wrapper.get_command() + [output_name]
else:
cmdlist = [output_name]
pe = subprocess.Popen(cmdlist, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
pe.wait()
if pe.returncode != 0:
raise EnvironmentException('Executables created by Rust compiler %s are not runnable.' % self.name_string())
def get_dependency_gen_args(self, outtarget: str, outfile: str) -> T.List[str]:
return ['--dep-info', outfile]
def get_buildtype_args(self, buildtype: str) -> T.List[str]:
return rust_buildtype_args[buildtype]
def get_sysroot(self) -> str:
cmd = self.exelist + ['--print', 'sysroot']
p, stdo, stde = Popen_safe(cmd)
return stdo.split('\n')[0]
def get_debug_args(self, is_debug: bool) -> T.List[str]:
return clike_debug_args[is_debug]
def get_optimization_args(self, optimization_level: str) -> T.List[str]:
return rust_optimization_args[optimization_level]
def compute_parameters_with_absolute_paths(self, parameter_list: T.List[str],
build_dir: str) -> T.List[str]:
for idx, i in enumerate(parameter_list):
if i[:2] == '-L':
for j in ['dependency', 'crate', 'native', 'framework', 'all']:
combined_len = len(j) + 3
if i[:combined_len] == f'-L{j}=':
parameter_list[idx] = i[:combined_len] + os.path.normpath(os.path.join(build_dir, i[combined_len:]))
break
return parameter_list
def get_output_args(self, outputname: str) -> T.List[str]:
return ['-o', outputname]
@classmethod
def use_linker_args(cls, linker: str) -> T.List[str]:
return ['-C', f'linker={linker}']
# Rust does not have a use_linker_args because it dispatches to a gcc-like
# C compiler for dynamic linking, as such we invoke the C compiler's
# use_linker_args method instead.
def get_options(self) -> 'KeyedOptionDictType':
key = OptionKey('std', machine=self.for_machine, lang=self.language)
return {
key: coredata.UserComboOption(
'Rust Eddition to use',
['none', '2015', '2018'],
'none',
),
}
def get_option_compile_args(self, options: 'KeyedOptionDictType') -> T.List[str]:
args = []
key = OptionKey('std', machine=self.for_machine, lang=self.language)
std = options[key]
if std.value != 'none':
args.append('--edition=' + std.value)
return args
def get_crt_compile_args(self, crt_val: str, buildtype: str) -> T.List[str]:
# Rust handles this for us, we don't need to do anything
return []
def get_colorout_args(self, colortype: str) -> T.List[str]:
if colortype in {'always', 'never', 'auto'}:
return [f'--color={colortype}']
raise MesonException(f'Invalid color type for rust {colortype}')
def get_linker_always_args(self) -> T.List[str]:
args: T.List[str] = []
for a in super().get_linker_always_args():
args.extend(['-C', f'link-arg={a}'])
return args
|
