The Meson Build System
http://mesonbuild.com/
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55 lines
1.7 KiB
55 lines
1.7 KiB
8 years ago
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# Copyright 2016 The Meson development team
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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# http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# This class contains the basic functionality needed to run any interpreter
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# or an interpreter-based tool.
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from . import mparser
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from . import mesonlib
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from . import environment
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import os
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class InterpreterException(mesonlib.MesonException):
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pass
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class InvalidCode(InterpreterException):
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pass
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class InvalidArguments(InterpreterException):
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pass
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class InterpreterBase:
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def __init__(self, source_root, subdir):
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self.source_root = source_root
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self.funcs = {}
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self.subdir = subdir
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def load_root_meson_file(self):
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mesonfile = os.path.join(self.source_root, self.subdir, environment.build_filename)
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if not os.path.isfile(mesonfile):
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raise InvalidArguments('Missing Meson file in %s' % mesonfile)
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with open(mesonfile, encoding='utf8') as mf:
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code = mf.read()
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if len(code.strip()) == 0:
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raise InvalidCode('Builder file is empty.')
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assert(isinstance(code, str))
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try:
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self.ast = mparser.Parser(code).parse()
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except mesonlib.MesonException as me:
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me.file = environment.build_filename
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raise me
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