aacf2376a5
Summary: - Create python classes for ninja vocbulary in `ninja_syntax.py`. These classes will be serialized to a ninja file - Create a Writer class in `ninja_writer.py`. The current API supports adding variables,rules,build actions, etc. This can be extended in the future (See `test_ninja_writer.py` for examples) Future Work: - Update the `Subninja` class once chDir is supported (aosp/2064612) - Support a width parameter that will be used to wrap long lines of text. This will improve readability of the generated files Expected Use Case: Multi-tree build orchestrator Test: python ./test_ninja_syntax.py Test: python ./test_ninja_writer.py Change-Id: I90c7ee69ddeb7c20c3fd4fca5a911dddbf2253bd
56 lines
1.7 KiB
Python
56 lines
1.7 KiB
Python
#!/usr/bin/env python
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#
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# Copyright (C) 2022 The Android Open Source Project
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#
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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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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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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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from ninja_syntax import Variable, BuildAction, Rule, Pool, Subninja, Line
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# TODO: Format the output according to a configurable width variable
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# This will ensure that the generated content fits on a screen and does not
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# require horizontal scrolling
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class Writer:
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def __init__(self, file):
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self.file = file
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self.nodes = [] # type Node
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def add_variable(self, variable: Variable):
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self.nodes.append(variable)
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def add_rule(self, rule: Rule):
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self.nodes.append(rule)
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def add_build_action(self, build_action: BuildAction):
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self.nodes.append(build_action)
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def add_pool(self, pool: Pool):
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self.nodes.append(pool)
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def add_comment(self, comment: str):
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self.nodes.append(Line(value=f"# {comment}"))
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def add_default(self, default: str):
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self.nodes.append(Line(value=f"default {default}"))
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def add_newline(self):
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self.nodes.append(Line(value=""))
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def add_subninja(self, subninja: Subninja):
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self.nodes.append(subninja)
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def write(self):
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for node in self.nodes:
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for line in node.stream():
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print(line, file=self.file)
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