| [2] | 1 | #!/bin/sh
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| 2 | #
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| 3 | # This script parses the output of a gcc bootstrap when using warning
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| 4 | # flags and determines various statistics.
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| 5 | #
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| 6 | # usage: warn_summary [-llf] [-s stage] [-nosub|-ch|-cp|-f|-java|-ada|-intl|-fixinc]
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| 7 | # [-pass|-wpass] [file(s)]
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| 8 | #
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| 9 | # -llf
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| 10 | # Filter out long lines from the bootstrap output before any other
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| 11 | # action. This is useful for systems with broken awks/greps which choke
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| 12 | # on long lines. It is not done by default as it sometimes slows things
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| 13 | # down.
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| 14 | #
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| 15 | # -s number
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| 16 | # Take warnings from stage "Number". Stage 0 means show warnings from
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| 17 | # before and after the gcc bootstrap directory. E.g. libraries, etc.
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| 18 | # This presupposes using "gcc -W*" for the stage1 compiler.
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| 19 | #
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| 20 | # -nosub
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| 21 | # Only show warnings from the gcc top level directory.
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| 22 | # -ch|-cp|-f|-java|-ada|-intl|-fixinc
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| 23 | # Only show warnings from the specified language subdirectory.
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| 24 | # These override each other so only the last one passed takes effect.
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| 25 | #
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| 26 | # -pass
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| 27 | # Pass through the bootstrap output after filtering stage and subdir
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| 28 | # (useful for manual inspection.) This is all lines, not just warnings.
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| 29 | # -wpass
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| 30 | # Pass through only warnings from the bootstrap output after filtering
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| 31 | # stage and subdir.
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| 32 | #
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| 33 | # By Kaveh Ghazi ([email protected]) 12/13/97.
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| 34 |
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| 35 |
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| 36 | # Some awks choke on long lines, sed seems to do a better job.
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| 37 | # Truncate lines > 255 characters. RE '.\{255,\}' doesn't seem to work. :-(
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| 38 | # Only do this if -llf was specified, because it can really slow things down.
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| 39 | longLineFilter()
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| 40 | {
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| 41 | if test -z "$llf" ; then
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| 42 | cat
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| 43 | else
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| 44 | sed 's/^\(...............................................................................................................................................................................................................................................................\).*/\1/'
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| 45 | fi
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| 46 | }
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| 47 |
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| 48 | # This function does one of three things. It either passes through
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| 49 | # all warning data, or passes through gcc toplevel warnings, or passes
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| 50 | # through a particular subdirectory set of warnings.
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| 51 | subdirectoryFilter()
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| 52 | {
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| 53 | longLineFilter | (
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| 54 | if test -z "$filter" ; then
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| 55 | # Pass through all lines.
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| 56 | cat
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| 57 | else
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| 58 | if test "$filter" = nosub ; then
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| 59 | # Omit all subdirectories.
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| 60 | egrep -v '/gcc/(ch|cp|f|java|intl|fixinc)/'
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| 61 | else
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| 62 | # Pass through only subdir $filter.
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| 63 | grep "/gcc/$filter/"
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| 64 | fi
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| 65 | fi )
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| 66 | }
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| 67 |
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| 68 | # This function displays all lines from stageN of the bootstrap. If
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| 69 | # stage==0, then show lines prior to stage1 and lines from after the last
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| 70 | # stage. I.e. utilities, libraries, etc.
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| 71 | stageNfilter()
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| 72 | {
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| 73 | if test "$stageN" -lt 1 ; then
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| 74 | # stage "0" means check everything *but* gcc.
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| 75 | $AWK "BEGIN{t=1} ; /^Bootstrapping the compiler/{t=0} ; /^Building runtime libraries/{t=1} ; {if(t==1)print}"
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| 76 | else
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