#!/bin/bash
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# Collect the number of [[deprecated]] calls detected when compiling V8.
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# Requires "v8_deprecate_get_isolate = true" to be useful.
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set -e
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if [ -z "$1" ]; then
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(>&2 echo "Usage: collect_deprecation_stats.sh [<outdir>|<log>]")
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exit 1
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fi
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if [ -d "$1" ]; then
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OUTDIR=$1
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FULL_LOG=/tmp/get_isolate_deprecation.log
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gn clean "$OUTDIR"
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autoninja -C "$OUTDIR" > $FULL_LOG
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else
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FULL_LOG=$1
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fi
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FILTERED_LOG=/tmp/filtered_isolate_deprecation.log
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UNIQUE_WARNINGS_LOG=/tmp/unique_warnings.log
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grep "warning:" "$FULL_LOG" | sed $'
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s|^\.\./\.\./||;
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s/: warning: \'/: /;
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# strip everything after deprecated function name (including template param).
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s/\(<.*>\)\\?\'.*//' > $FILTERED_LOG
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sort -u $FILTERED_LOG > $UNIQUE_WARNINGS_LOG
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echo "Total deprecated calls: $(wc -l < $UNIQUE_WARNINGS_LOG)"
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cut -f2 -d' ' $UNIQUE_WARNINGS_LOG | sort | uniq -c
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