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Add a script to tell whether a file can be perfectly parsed by spatch
spatch can let us know whether a file has parsed "perfectly" or not. The more perfect it parses, the likelier any semantic patches are to apply. I've used this script to identify problem areas in our code.
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scripts/coccinelle/try_parse.sh
Executable file
18
scripts/coccinelle/try_parse.sh
Executable file
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#!/bin/sh
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# Echo the name of every argument of this script that is not "perfect"
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# according to coccinelle's --parse-c.
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top="$(dirname "$0")/../.."
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for fn in "$@"; do
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if spatch -macro_file_builtins "$top"/scripts/coccinelle/tor-coccinelle.h \
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-I "$top" -I "$top"/src -I "$top"/ext --parse-c "$fn" \
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2>/dev/null | grep "perfect = 1" > /dev/null; then
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: # it's perfect
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else
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echo "$fn"
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fi
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done
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