1#!/bin/bash
2
3# Collect the number of [[deprecated]] calls detected when compiling V8.
4# Requires "v8_deprecate_get_isolate = true" to be useful.
5
6set -e
7
8if [ -z "$1" ]; then
9  (>&2 echo "Usage: collect_deprecation_stats.sh [<outdir>|<log>]")
10  exit 1
11fi
12
13if [ -d "$1" ]; then
14  OUTDIR=$1
15  FULL_LOG=/tmp/get_isolate_deprecation.log
16  gn clean "$OUTDIR"
17  autoninja -C "$OUTDIR" > $FULL_LOG
18else
19  FULL_LOG=$1
20fi
21
22FILTERED_LOG=/tmp/filtered_isolate_deprecation.log
23UNIQUE_WARNINGS_LOG=/tmp/unique_warnings.log
24
25grep "warning:" "$FULL_LOG" | sed $'
26s|^\.\./\.\./||;
27s/: warning: \'/: /;
28
29# strip everything after deprecated function name (including template param).
30s/\(<.*>\)\\?\'.*//' > $FILTERED_LOG
31
32sort -u $FILTERED_LOG > $UNIQUE_WARNINGS_LOG
33
34echo "Total deprecated calls: $(wc -l < $UNIQUE_WARNINGS_LOG)"
35cut -f2 -d' ' $UNIQUE_WARNINGS_LOG | sort | uniq -c
36