| 1 | #!/usr/bin/env python
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| 2 |
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| 3 | import subprocess
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| 4 | import json
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| 5 | from os import path
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| 6 | from multiprocessing import cpu_count
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| 7 |
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| 8 | import ninja_syntax
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| 9 |
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| 10 | if __name__ == "__main__":
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| 11 | with open("grammars.json", "r") as fp:
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| 12 | grammars = json.loads(fp.read())
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| 13 |
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| 14 | with open("generate.ninja", "w") as fp:
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| 15 | w = ninja_syntax.Writer(fp)
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| 16 | w.comment("automatically generated, do not edit.")
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| 17 | w.rule("generate", "cd $in && tree-sitter generate")
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| 18 | # NOTE: this will use a lot of memory on your system, you might decrase
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| 19 | # the parallelism count here if you encounter issues.
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| 20 | w.pool("generate", cpu_count())
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| 21 | for grammar in grammars:
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| 22 | parser_out = path.join(grammar["path"], "src/parser.c")
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| 23 | w.build(parser_out, "generate", inputs=[grammar["path"]], pool="generate")
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| 24 |
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| 25 | w.close()
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| 26 |
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| 27 | subprocess.call(["ninja", "-f", "generate.ninja"])
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