mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-24 20:50:13 +01:00
Richard SmithandDana Jansens
98e2567524
Example output from Gemini: https://gist.github.com/zygoloid/b4aaaf919173d639cf0ffa90fd0898e4 Assisted-by: Gemini 3.1 Pro via Antigravity --------- Co-authored-by: Dana Jansens <danakj@orodu.net>
66 lines
2.3 KiB
Python
66 lines
2.3 KiB
Python
__copyright__ = """
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Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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Exceptions. See /LICENSE for license information.
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SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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"""
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import sys
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from collections import defaultdict
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from typing import TextIO, Dict, List
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def parse_diff(stream: TextIO) -> None:
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current_file: str = ""
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file_changes: Dict[str, Dict[str, List[str]]] = defaultdict(
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lambda: {"input": [], "stderr": [], "stdout": []}
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)
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for line in stream:
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if line.startswith("diff --git"):
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parts = line.split()
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if len(parts) >= 4:
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current_file = (
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parts[3][2:] if parts[3].startswith("b/") else parts[3]
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)
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elif line.startswith("+") or line.startswith("-"):
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if not line.startswith("+++") and not line.startswith("---"):
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stripped = line[1:].strip()
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if stripped.startswith("// CHECK:STDERR"):
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file_changes[current_file]["stderr"].append(
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line.rstrip("\n")
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)
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elif stripped.startswith("// CHECK:STDOUT"):
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file_changes[current_file]["stdout"].append(
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line.rstrip("\n")
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)
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elif stripped.startswith("// CHECK"):
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file_changes[current_file]["stdout"].append(
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line.rstrip("\n")
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)
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else:
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file_changes[current_file]["input"].append(
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line.rstrip("\n")
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)
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for f, c in file_changes.items():
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if not c["input"] and not c["stderr"] and not c["stdout"]:
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continue
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print(f"File: {f}")
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if c["input"]:
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print(" --- Input Changes ---")
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for change in c["input"]:
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print(f" {change}")
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if c["stderr"]:
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print(" --- STDERR Changes ---")
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for change in c["stderr"]:
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print(f" {change}")
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if c["stdout"]:
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print(" --- STDOUT Changes ---")
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for change in c["stdout"]:
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print(f" {change}")
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print("-" * 40)
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if __name__ == "__main__":
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parse_diff(sys.stdin)
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