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69 lines
2 KiB
Python
69 lines
2 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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import re
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begin_script_only_re = re.compile("^// #BEGIN_SCRIPT_ONLY")
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end_script_only_re = re.compile("^// #END_SCRIPT_ONLY")
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export_re = re.compile("^// #EXPORT (.+)")
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def process_file(template_js, kind):
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lines = []
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is_script_only = False
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exports = []
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with open(template_js) as f:
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for line in f:
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if kind == "module":
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if is_script_only:
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m = end_script_only_re.match(line)
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if m:
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is_script_only = False
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# NOTE: Put an empty line to keep the line number same.
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lines.append("\n")
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continue
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else:
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m = begin_script_only_re.match(line)
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if m:
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is_script_only = True
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lines.append("\n")
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continue
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else:
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m = end_script_only_re.match(line)
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if m:
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lines.append("\n")
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continue
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m = begin_script_only_re.match(line)
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if m:
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lines.append("\n")
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continue
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m = export_re.match(line)
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if m:
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name = m.group(1)
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if kind == "script":
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lines.append(f"exports.{name} = {name};\n")
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else:
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exports.append(name)
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lines.append("\n")
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continue
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lines.append(line)
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if kind == "module":
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lines.append("export const PromiseWorker = { " + ", ".join(exports) + " };\n")
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return "".join(lines)
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def generate_script(output, template_js):
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output.write(process_file(template_js, "script"))
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def generate_module(output, template_js):
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output.write(process_file(template_js, "module"))
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