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codex/codex-rs/tools/src/tool_apply_patch.lark
T
2026-05-05 16:24:57 -07:00

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start: begin_patch environment? hunk+ end_patch
begin_patch: "*** Begin Patch" LF
environment: "*** Environment ID: " environment_id LF
end_patch: "*** End Patch" LF?
hunk: add_hunk | delete_hunk | update_hunk
add_hunk: "*** Add File: " filename LF add_line+
delete_hunk: "*** Delete File: " filename LF
update_hunk: "*** Update File: " filename LF change_move? change?
filename: /(.+)/
environment_id: /(.+)/
add_line: "+" /(.*)/ LF -> line
change_move: "*** Move to: " filename LF
change: (change_context | change_line)+ eof_line?
change_context: ("@@" | "@@ " /(.+)/) LF
change_line: ("+" | "-" | " ") /(.*)/ LF
eof_line: "*** End of File" LF
%import common.LF