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https://github.com/golang/go
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34b277f046
let errchk exit 0 even if it has reported a BUG. it echoed BUG and that's all that matters. R=r DELTA=143 (1 added, 89 deleted, 53 changed) OCL=32533 CL=32542
81 lines
2.4 KiB
Bash
Executable File
81 lines
2.4 KiB
Bash
Executable File
#!/bin/bash
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# Copyright 2009 The Go Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style
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# license that can be found in the LICENSE file.
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# This script checks that the compilers emits the errors which we
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# expect. Usage: errchk COMPILER [OPTS] SOURCEFILE. This will run
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# the command COMPILER [OPTS] SOURCEFILE. The compilation is expected
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# to fail; if it succeeds, this script will report an error. The
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# stderr output of the compiler will be matched against comments in
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# SOURCEFILE. For each line of the source file which should generate
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# an error, there should be a comment of the form // ERROR "regexp".
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# If the compiler generates an error for a line which has no such
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# commnt, this script will report an error. Likewise if the compiler
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# does not generate an error for a line which has a comment, or if the
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# error message does not match the <regexp>. The <regexp> is
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# interpreted by egrep.
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if test $# -lt 2; then
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echo 1>&2 "Usage: errchk COMPILER [OPTS] SOURCEFILE"
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exit 1
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fi
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ARGCOUNT=$#
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SOURCEFILE=${!ARGCOUNT}
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TMPOUT=/tmp/errchk-out-$$
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TMPERR=/tmp/errchk-err-$$
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TMPALL=/tmp/errchk-all-$$
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TMPTMP=/tmp/errchk-tmp-$$
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TMPBUG=/tmp/errchk-bug-$$
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rm -f $TMPOUT $TMPERR $TMPALL $TMPTMP $TMPBUG
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trap "rm -f $TMPOUT $TMPERR $TMPALL $TMPTMP $TMPBUG" 0 1 2 3 14 15
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if $* >$TMPOUT 2>$TMPERR; then
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echo 1>&2 "BUG: errchk: command succeeded unexpectedly"
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cat $TMPOUT
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cat 1>&2 $TMPERR
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rm -f $TMPOUT $TMPERR
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exit 0
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fi
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cat $TMPOUT $TMPERR | grep -v '^ ' > $TMPALL
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bug() {
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if ! test -f $TMPBUG
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then
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echo 1>&2 -n BUG: ''
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echo >$TMPBUG
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fi
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}
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header=0
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pr -n -t $SOURCEFILE | grep '// ERROR' | while read line; do
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lineno=`echo $line | sed -e 's/^[ ]*\([0-9]*\).*$/\1/'`
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regexp=`echo $line | sed -e 's|.*// ERROR "\([^"]*\)".*$|\1|'`
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errmsg=`grep "$SOURCEFILE:$lineno" <$TMPALL`
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grep -v "$SOURCEFILE:$lineno" < $TMPALL > $TMPTMP
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mv -f $TMPTMP $TMPALL
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if test -z "$errmsg"; then
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bug
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echo 1>&2 "errchk: $SOURCEFILE:$lineno: missing expected error: '$regexp'"
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elif ! echo "$errmsg" | egrep -q "$regexp"; then
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bug
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echo 1>&2 "errchk: $SOURCEFILE:$lineno: error message does not match '$regexp'"
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echo 1>&2 $errmsg
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fi
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done
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if test -s $TMPALL; then
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bug
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echo 1>&2 "errchk: $SOURCEFILE: unmatched error messages:"
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echo 1>&2 "=================================================="
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cat 1>&2 $TMPALL
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echo 1>&2 "=================================================="
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fi
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exit 0
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