86 lines
2.3 KiB
Python
Executable File
86 lines
2.3 KiB
Python
Executable File
#!/usr/bin/env python3
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import sys
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import re
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from pathlib import Path
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INDENT = " " * 4
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CLASS_START_RE = re.compile(
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r"^\s*(?:partial\s+)?(?:package|model|connector|record|function|block|type|operator)\b"
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)
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SECTION_RE = re.compile(
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r"^\s*(?:equation|algorithm|initial\s+equation|initial\s+algorithm|protected|public)\b"
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)
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IF_RE = re.compile(r"^\s*if\b.*\bthen\b")
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ELSEIF_RE = re.compile(r"^\s*elseif\b.*\bthen\b")
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ELSE_RE = re.compile(r"^\s*else\b")
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FOR_RE = re.compile(r"^\s*for\b.*\bloop\b")
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WHEN_RE = re.compile(r"^\s*when\b.*\bthen\b")
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ELSEWHEN_RE = re.compile(r"^\s*elsewhen\b.*\bthen\b")
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END_RE = re.compile(r"^\s*end\b")
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def format_modelica(text: str) -> str:
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lines = text.replace("\t", " ").splitlines()
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out = []
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indent = 0
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for raw in lines:
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stripped = raw.strip()
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if not stripped:
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out.append("")
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continue
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# Closing constructs outdent before printing
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if END_RE.match(stripped):
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indent = max(indent - 1, 0)
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# else / elseif / elsewhen align with matching if/when
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elif ELSE_RE.match(stripped) or ELSEIF_RE.match(stripped) or ELSEWHEN_RE.match(stripped):
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indent = max(indent - 1, 0)
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# Sections stay at model level, not one level deeper
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elif SECTION_RE.match(stripped):
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indent = max(indent - 1, 0)
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out.append(f"{INDENT * indent}{stripped}")
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# Increase indent only for real blocks
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if CLASS_START_RE.match(stripped):
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indent += 1
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elif IF_RE.match(stripped):
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indent += 1
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elif FOR_RE.match(stripped):
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indent += 1
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elif WHEN_RE.match(stripped):
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indent += 1
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elif ELSEIF_RE.match(stripped) or ELSE_RE.match(stripped) or ELSEWHEN_RE.match(stripped):
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indent += 1
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elif SECTION_RE.match(stripped):
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indent += 1
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return "\n".join(out) + "\n"
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def main():
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if len(sys.argv) < 2:
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print("Usage: python format_mo.py input.mo [output.mo]")
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sys.exit(1)
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input_file = Path(sys.argv[1])
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output_file = Path(sys.argv[2]) if len(sys.argv) > 2 else input_file
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text = input_file.read_text(encoding="utf-8")
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formatted = format_modelica(text)
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output_file.write_text(formatted, encoding="utf-8")
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print(f"Formatted {output_file}")
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if __name__ == "__main__":
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main()
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