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50 lines
1.6 KiB
50 lines
1.6 KiB
#!/usr/bin/env bash
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if [ $# -eq 0 ]; then
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# With no args, read stdin to scrape compiler output.
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# shellcheck disable=SC2046
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set -- $(while read -r LINE; do
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case "$LINE" in
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*undefined\ reference\ to*)
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# file.cc:(.text+0x10): undefined reference to `foo()'
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LINE=${LINE#*undefined reference to \`}
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echo "${LINE%\'*}"
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;;
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*undefined\ symbol:*)
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# ld: error: undefined symbol: foo()
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echo "${LINE#*undefined symbol: }"
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;;
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*)
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continue
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;;
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esac; done | sort -u)
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fi
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for SYMBOL; do
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# If there are multiple declarations, pick first (eg. common/memleak.h
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# has notleak_ as a declaration, and then an inline).
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WHERE=$(grep -nH "^[a-zA-Z0-9_ (),]* [*]*$SYMBOL(" ./*/*.h | head -n1)
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if [ x"$WHERE" = x ]; then
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echo "/* Could not find declaration for $SYMBOL */"
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continue
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fi
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FILE=${WHERE%%:*}
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FILE_AND_LINE=${WHERE%:*}
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LINE=${FILE_AND_LINE#*:}
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END=$(tail -n "+${LINE}" < "$FILE" | grep -n ';$');
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NUM=${END%%:*}
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if grep -q "$SYMBOL.*mock empty" "$FILE"; then
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STUB="{ }"
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else
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# \n on RHS is a GNU extension, and we want to work on FreeBSD
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# shellcheck disable=SC1004
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STUB='\
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{ fprintf(stderr, "'$SYMBOL' called!\\n"); abort(); }'
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fi
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echo "/* Generated stub for $SYMBOL */"
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tail -n "+${LINE}" < "$FILE" | head -n "$NUM" | sed 's/^extern *//' | sed 's/PRINTF_FMT([^)]*)//' | sed 's/NON_NULL_ARGS([^)]*)//' | sed 's/NO_NULL_ARGS//g' | sed 's/NORETURN//g' | sed 's/LAST_ARG_NULL//g' | sed 's/WARN_UNUSED_RESULT//g' | sed 's/,/ UNNEEDED,/g' | sed 's/\([a-z0-9A-Z*_]* [a-z0-9A-Z*_]*\));/\1 UNNEEDED);/' | sed "s/;\$/$STUB/" | sed 's/[[:space:]]*$//'
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done
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