projects / mirror_qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 6afeb397 PB |
1 | #! /bin/sh |
| 2 | # | |
| 3 | # Fix multiline comments to match CODING_STYLE | |
| 4 | # | |
| 5 | # Copyright (C) 2018 Red Hat, Inc. | |
| 6 | # | |
| 7 | # Author: Paolo Bonzini | |
| 8 | # | |
| 9 | # Usage: scripts/fix-multiline-comments.sh [-i] FILE... | |
| 10 | # | |
| 11 | # -i edits the file in place (requires gawk 4.1.0). | |
| 12 | # | |
| 13 | # Set the AWK environment variable to choose the awk interpreter to use | |
| 14 | # (default 'awk') | |
| 15 | ||
| 16 | if test "$1" = -i; then | |
| 17 | # gawk extension | |
| 18 | inplace="-i inplace" | |
| 19 | shift | |
| 20 | fi | |
| 21 | ${AWK-awk} $inplace 'BEGIN { indent = -1 } | |
| 22 | { | |
| 23 | line = $0 | |
| 24 | # apply a star to the indent on lines after the first | |
| 25 | if (indent != -1) { | |
| 26 | if (line == "") { | |
| 27 | line = sp " *" | |
| 28 | } else if (substr(line, 1, indent + 2) == sp " ") { | |
| 29 | line = sp " *" substr(line, indent + 3) | |
| 30 | } | |
| 31 | } | |
| 32 | ||
| 33 | is_lead = (line ~ /^[ \t]*\/\*/) | |
| 34 | is_trail = (line ~ /\*\//) | |
| 35 | if (is_lead && !is_trail) { | |
| 36 | # grab the indent at the start of a comment, but not for | |
| 37 | # single-line comments | |
| 38 | match(line, /^[ \t]*\/\*/) | |
| 39 | indent = RLENGTH - 2 | |
| 40 | sp = substr(line, 1, indent) | |
| 41 | } | |
| 42 | ||
| 43 | # the regular expression filters out lone /*, /**, or */ | |
| 44 | if (indent != -1 && !(line ~ /^[ \t]*(\/\*+|\*\/)[ \t]*$/)) { | |
| 45 | if (is_lead) { | |
| 46 | # split the leading /* or /** on a separate line | |
| 47 | match(line, /^[ \t]*\/\*+/) | |
| 48 | lead = substr(line, 1, RLENGTH) | |
| 49 | match(line, /^[ \t]*\/\*+[ \t]*/) | |
| 50 | line = lead "\n" sp " *" substr(line, RLENGTH) | |
| 51 | } | |
| 52 | if (is_trail) { | |
| 53 | # split the trailing */ on a separate line | |
| 54 | match(line, /[ \t]*\*\//) | |
| 55 | line = substr(line, 1, RSTART - 1) "\n" sp " */" | |
| 56 | } | |
| 57 | } | |
| 58 | if (is_trail) { | |
| 59 | indent = -1 | |
| 60 | } | |
| 61 | print line | |
| 62 | }' "$@" |