[PATCH] Makefile: move ctags and cscope support to a shell script
Sascha Hauer
s.hauer at pengutronix.de
Mon Dec 3 05:02:21 EST 2012
On Mon, Dec 03, 2012 at 09:08:56AM +0400, Antony Pavlov wrote:
> The scripts/tags.sh file copied from linux-3.6.
>
> Signed-off-by: Antony Pavlov <antonynpavlov at gmail.com>
Making the toplevel Makefile smaller is a good move.
Applied, thanks
Sascha
> ---
> Makefile | 111 +----------------------
> scripts/tags.sh | 265 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
> 2 files changed, 268 insertions(+), 108 deletions(-)
> create mode 100755 scripts/tags.sh
>
> diff --git a/Makefile b/Makefile
> index 05b8be5..e3a23dd 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -1166,115 +1166,10 @@ htmldocs: Doxyfile.version
>
> # Generate tags for editors
> # ---------------------------------------------------------------------------
> +quiet_cmd_tags = GEN $@
> + cmd_tags = $(CONFIG_SHELL) $(srctree)/scripts/tags.sh $@
>
> -#We want __srctree to totally vanish out when KBUILD_OUTPUT is not set
> -#(which is the most common case IMHO) to avoid unneeded clutter in the big tags file.
> -#Adding $(srctree) adds about 20M on i386 to the size of the output file!
> -
> -ifeq ($(src),$(obj))
> -__srctree =
> -else
> -__srctree = $(srctree)/
> -endif
> -
> -ifeq ($(ALLSOURCE_ARCHS),)
> -ifeq ($(ARCH),um)
> -ALLINCLUDE_ARCHS := $(ARCH) $(SUBARCH)
> -else
> -ALLINCLUDE_ARCHS := $(ARCH)
> -endif
> -else
> -#Allow user to specify only ALLSOURCE_PATHS on the command line, keeping existing behavour.
> -ALLINCLUDE_ARCHS := $(ALLSOURCE_ARCHS)
> -endif
> -
> -ALLSOURCE_ARCHS := $(ARCH)
> -
> -define find-sources
> - ( find $(__srctree) $(RCS_FIND_IGNORE) \
> - \( -name include -o -name arch \) -prune -o \
> - -name $1 -print; \
> - for ARCH in $(ALLSOURCE_ARCHS) ; do \
> - find $(__srctree)arch/$${ARCH} $(RCS_FIND_IGNORE) \
> - -name $1 -print; \
> - done ; \
> - find $(__srctree)include $(RCS_FIND_IGNORE) \
> - \( -name config -o -name 'asm-*' \) -prune \
> - -o -name $1 -print; \
> - for ARCH in $(ALLINCLUDE_ARCHS) ; do \
> - test -e $(__srctree)include/asm-$${arch} && \
> - find $(__srctree)include/asm-$${arch} $(RCS_FIND_IGNORE) \
> - -name $1 -print; \
> - test -e $(__srctree)arch/$${arch}/include/asm && \
> - find $(__srctree)arch/$${arch}/include/asm $(RCS_FIND_IGNORE) \
> - -name $1 -print; \
> - done ; \
> - find $(__srctree)include/asm-generic $(RCS_FIND_IGNORE) \
> - -name $1 -print )
> -endef
> -
> -define all-sources
> - $(call find-sources,'*.[chS]')
> -endef
> -define all-kconfigs
> - $(call find-sources,'Kconfig*')
> -endef
> -define all-defconfigs
> - $(call find-sources,'defconfig')
> -endef
> -
> -define xtags
> - if $1 --version 2>&1 | grep -iq exuberant; then \
> - $(all-sources) | xargs $1 -a \
> - -I __initdata,__exitdata,__acquires,__releases \
> - -I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL \
> - --extra=+f --c-kinds=+px \
> - --regex-asm='/ENTRY\(([^)]*)\).*/\1/'; \
> - $(all-kconfigs) | xargs $1 -a \
> - --langdef=kconfig \
> - --language-force=kconfig \
> - --regex-kconfig='/^[[:blank:]]*config[[:blank:]]+([[:alnum:]_]+)/\1/'; \
> - $(all-defconfigs) | xargs -r $1 -a \
> - --langdef=dotconfig \
> - --language-force=dotconfig \
> - --regex-dotconfig='/^#?[[:blank:]]*(CONFIG_[[:alnum:]_]+)/\1/'; \
> - elif $1 --version 2>&1 | grep -iq emacs; then \
> - $(all-sources) | xargs $1 -a; \
> - $(all-kconfigs) | xargs $1 -a \
> - --regex='/^[ \t]*config[ \t]+\([a-zA-Z0-9_]+\)/\1/'; \
> - $(all-defconfigs) | xargs -r $1 -a \
> - --regex='/^#?[ \t]?\(CONFIG_[a-zA-Z0-9_]+\)/\1/'; \
> - else \
> - $(all-sources) | xargs $1 -a; \
> - fi
> -endef
> -
> -quiet_cmd_cscope-file = FILELST cscope.files
> - cmd_cscope-file = (echo \-k; echo \-q; $(all-sources)) > cscope.files
> -
> -quiet_cmd_cscope = MAKE cscope.out
> - cmd_cscope = cscope -b
> -
> -cscope: FORCE
> - $(call cmd,cscope-file)
> - $(call cmd,cscope)
> -
> -quiet_cmd_TAGS = MAKE $@
> -define cmd_TAGS
> - rm -f $@; \
> - $(call xtags,etags)
> -endef
> -
> -TAGS: FORCE
> - $(call cmd,TAGS)
> -
> -quiet_cmd_tags = MAKE $@
> -define cmd_tags
> - rm -f $@; \
> - $(call xtags,ctags)
> -endef
> -
> -tags: FORCE
> +tags TAGS cscope: FORCE
> $(call cmd,tags)
>
>
> diff --git a/scripts/tags.sh b/scripts/tags.sh
> new file mode 100755
> index 0000000..79fdafb
> --- /dev/null
> +++ b/scripts/tags.sh
> @@ -0,0 +1,265 @@
> +#!/bin/sh
> +# Generate tags or cscope files
> +# Usage tags.sh <mode>
> +#
> +# mode may be any of: tags, TAGS, cscope
> +#
> +# Uses the following environment variables:
> +# ARCH, SUBARCH, SRCARCH, srctree, src, obj
> +
> +if [ "$KBUILD_VERBOSE" = "1" ]; then
> + set -x
> +fi
> +
> +# This is a duplicate of RCS_FIND_IGNORE without escaped '()'
> +ignore="( -name SCCS -o -name BitKeeper -o -name .svn -o \
> + -name CVS -o -name .pc -o -name .hg -o \
> + -name .git ) \
> + -prune -o"
> +
> +# Do not use full path if we do not use O=.. builds
> +# Use make O=. {tags|cscope}
> +# to force full paths for a non-O= build
> +if [ "${KBUILD_SRC}" = "" ]; then
> + tree=
> +else
> + tree=${srctree}/
> +fi
> +
> +# Find all available archs
> +find_all_archs()
> +{
> + ALLSOURCE_ARCHS=""
> + for arch in `ls ${tree}arch`; do
> + ALLSOURCE_ARCHS="${ALLSOURCE_ARCHS} "${arch##\/}
> + done
> +}
> +
> +# Detect if ALLSOURCE_ARCHS is set. If not, we assume SRCARCH
> +if [ "${ALLSOURCE_ARCHS}" = "" ]; then
> + ALLSOURCE_ARCHS=${SRCARCH}
> +elif [ "${ALLSOURCE_ARCHS}" = "all" ]; then
> + find_all_archs
> +fi
> +
> +# find sources in arch/$ARCH
> +find_arch_sources()
> +{
> + for i in $archincludedir; do
> + prune="$prune -wholename $i -prune -o"
> + done
> + find ${tree}arch/$1 $ignore $prune -name "$2" -print;
> +}
> +
> +# find sources in arch/$1/include
> +find_arch_include_sources()
> +{
> + include=$(find ${tree}arch/$1/ -name include -type d);
> + if [ -n "$include" ]; then
> + archincludedir="$archincludedir $include"
> + find $include $ignore -name "$2" -print;
> + fi
> +}
> +
> +# find sources in include/
> +find_include_sources()
> +{
> + find ${tree}include $ignore -name config -prune -o -name "$1" -print;
> +}
> +
> +# find sources in rest of tree
> +# we could benefit from a list of dirs to search in here
> +find_other_sources()
> +{
> + find ${tree}* $ignore \
> + \( -name include -o -name arch -o -name '.tmp_*' \) -prune -o \
> + -name "$1" -print;
> +}
> +
> +find_sources()
> +{
> + find_arch_sources $1 "$2"
> +}
> +
> +all_sources()
> +{
> + find_arch_include_sources ${SRCARCH} '*.[chS]'
> + if [ ! -z "$archinclude" ]; then
> + find_arch_include_sources $archinclude '*.[chS]'
> + fi
> + find_include_sources '*.[chS]'
> + for arch in $ALLSOURCE_ARCHS
> + do
> + find_sources $arch '*.[chS]'
> + done
> + find_other_sources '*.[chS]'
> +}
> +
> +all_kconfigs()
> +{
> + for arch in $ALLSOURCE_ARCHS; do
> + find_sources $arch 'Kconfig*'
> + done
> + find_other_sources 'Kconfig*'
> +}
> +
> +all_defconfigs()
> +{
> + find_sources $ALLSOURCE_ARCHS "defconfig"
> +}
> +
> +docscope()
> +{
> + (echo \-k; echo \-q; all_sources) > cscope.files
> + cscope -b -f cscope.out
> +}
> +
> +dogtags()
> +{
> + all_sources | gtags -i -f -
> +}
> +
> +exuberant()
> +{
> + all_sources | xargs $1 -a \
> + -I __initdata,__exitdata,__acquires,__releases \
> + -I __read_mostly,____cacheline_aligned \
> + -I ____cacheline_aligned_in_smp \
> + -I ____cacheline_internodealigned_in_smp \
> + -I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL \
> + -I DEFINE_TRACE,EXPORT_TRACEPOINT_SYMBOL,EXPORT_TRACEPOINT_SYMBOL_GPL \
> + --extra=+f --c-kinds=+px \
> + --regex-asm='/^(ENTRY|_GLOBAL)\(([^)]*)\).*/\2/' \
> + --regex-c='/^SYSCALL_DEFINE[[:digit:]]?\(([^,)]*).*/sys_\1/' \
> + --regex-c++='/^TRACE_EVENT\(([^,)]*).*/trace_\1/' \
> + --regex-c++='/^DEFINE_EVENT\([^,)]*, *([^,)]*).*/trace_\1/' \
> + --regex-c++='/PAGEFLAG\(([^,)]*).*/Page\1/' \
> + --regex-c++='/PAGEFLAG\(([^,)]*).*/SetPage\1/' \
> + --regex-c++='/PAGEFLAG\(([^,)]*).*/ClearPage\1/' \
> + --regex-c++='/TESTSETFLAG\(([^,)]*).*/TestSetPage\1/' \
> + --regex-c++='/TESTPAGEFLAG\(([^,)]*).*/Page\1/' \
> + --regex-c++='/SETPAGEFLAG\(([^,)]*).*/SetPage\1/' \
> + --regex-c++='/__SETPAGEFLAG\(([^,)]*).*/__SetPage\1/' \
> + --regex-c++='/TESTCLEARFLAG\(([^,)]*).*/TestClearPage\1/' \
> + --regex-c++='/__TESTCLEARFLAG\(([^,)]*).*/TestClearPage\1/' \
> + --regex-c++='/CLEARPAGEFLAG\(([^,)]*).*/ClearPage\1/' \
> + --regex-c++='/__CLEARPAGEFLAG\(([^,)]*).*/__ClearPage\1/' \
> + --regex-c++='/__PAGEFLAG\(([^,)]*).*/__SetPage\1/' \
> + --regex-c++='/__PAGEFLAG\(([^,)]*).*/__ClearPage\1/' \
> + --regex-c++='/PAGEFLAG_FALSE\(([^,)]*).*/Page\1/' \
> + --regex-c++='/TESTSCFLAG\(([^,)]*).*/TestSetPage\1/' \
> + --regex-c++='/TESTSCFLAG\(([^,)]*).*/TestClearPage\1/' \
> + --regex-c++='/SETPAGEFLAG_NOOP\(([^,)]*).*/SetPage\1/' \
> + --regex-c++='/CLEARPAGEFLAG_NOOP\(([^,)]*).*/ClearPage\1/' \
> + --regex-c++='/__CLEARPAGEFLAG_NOOP\(([^,)]*).*/__ClearPage\1/' \
> + --regex-c++='/TESTCLEARFLAG_FALSE\(([^,)]*).*/TestClearPage\1/' \
> + --regex-c++='/__TESTCLEARFLAG_FALSE\(([^,)]*).*/__TestClearPage\1/' \
> + --regex-c++='/_PE\(([^,)]*).*/PEVENT_ERRNO__\1/' \
> + --regex-c='/PCI_OP_READ\(([a-z]*[a-z]).*[1-4]\)/pci_bus_read_config_\1/' \
> + --regex-c='/PCI_OP_WRITE\(([a-z]*[a-z]).*[1-4]\)/pci_bus_write_config_\1/'
> +
> + all_kconfigs | xargs $1 -a \
> + --langdef=kconfig --language-force=kconfig \
> + --regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/\2/'
> +
> + all_kconfigs | xargs $1 -a \
> + --langdef=kconfig --language-force=kconfig \
> + --regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/CONFIG_\2/'
> +
> + all_defconfigs | xargs -r $1 -a \
> + --langdef=dotconfig --language-force=dotconfig \
> + --regex-dotconfig='/^#?[[:blank:]]*(CONFIG_[[:alnum:]_]+)/\1/'
> +}
> +
> +emacs()
> +{
> + all_sources | xargs $1 -a \
> + --regex='/^(ENTRY|_GLOBAL)(\([^)]*\)).*/\2/' \
> + --regex='/^SYSCALL_DEFINE[0-9]?(\([^,)]*\).*/sys_\1/' \
> + --regex='/^TRACE_EVENT(\([^,)]*\).*/trace_\1/' \
> + --regex='/^DEFINE_EVENT([^,)]*, *\([^,)]*\).*/trace_\1/' \
> + --regex='/PAGEFLAG\(([^,)]*).*/Page\1/' \
> + --regex='/PAGEFLAG\(([^,)]*).*/SetPage\1/' \
> + --regex='/PAGEFLAG\(([^,)]*).*/ClearPage\1/' \
> + --regex='/TESTSETFLAG\(([^,)]*).*/TestSetPage\1/' \
> + --regex='/TESTPAGEFLAG\(([^,)]*).*/Page\1/' \
> + --regex='/SETPAGEFLAG\(([^,)]*).*/SetPage\1/' \
> + --regex='/__SETPAGEFLAG\(([^,)]*).*/__SetPage\1/' \
> + --regex='/TESTCLEARFLAG\(([^,)]*).*/TestClearPage\1/' \
> + --regex='/__TESTCLEARFLAG\(([^,)]*).*/TestClearPage\1/' \
> + --regex='/CLEARPAGEFLAG\(([^,)]*).*/ClearPage\1/' \
> + --regex='/__CLEARPAGEFLAG\(([^,)]*).*/__ClearPage\1/' \
> + --regex='/__PAGEFLAG\(([^,)]*).*/__SetPage\1/' \
> + --regex='/__PAGEFLAG\(([^,)]*).*/__ClearPage\1/' \
> + --regex='/PAGEFLAG_FALSE\(([^,)]*).*/Page\1/' \
> + --regex='/TESTSCFLAG\(([^,)]*).*/TestSetPage\1/' \
> + --regex='/TESTSCFLAG\(([^,)]*).*/TestClearPage\1/' \
> + --regex='/SETPAGEFLAG_NOOP\(([^,)]*).*/SetPage\1/' \
> + --regex='/CLEARPAGEFLAG_NOOP\(([^,)]*).*/ClearPage\1/' \
> + --regex='/__CLEARPAGEFLAG_NOOP\(([^,)]*).*/__ClearPage\1/' \
> + --regex='/TESTCLEARFLAG_FALSE\(([^,)]*).*/TestClearPage\1/' \
> + --regex='/__TESTCLEARFLAG_FALSE\(([^,)]*).*/__TestClearPage\1/' \
> + --regex='/_PE\(([^,)]*).*/PEVENT_ERRNO__\1/' \
> + --regex='/PCI_OP_READ\(([a-z]*[a-z]).*[1-4]\)/pci_bus_read_config_\1/' \
> + --regex='/PCI_OP_WRITE\(([a-z]*[a-z]).*[1-4]\)/pci_bus_write_config_\1/'
> +
> + all_kconfigs | xargs $1 -a \
> + --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/\3/'
> +
> + all_kconfigs | xargs $1 -a \
> + --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/CONFIG_\3/'
> +
> + all_defconfigs | xargs -r $1 -a \
> + --regex='/^#?[ \t]?\(CONFIG_[a-zA-Z0-9_]+\)/\1/'
> +}
> +
> +xtags()
> +{
> + if $1 --version 2>&1 | grep -iq exuberant; then
> + exuberant $1
> + elif $1 --version 2>&1 | grep -iq emacs; then
> + emacs $1
> + else
> + all_sources | xargs $1 -a
> + fi
> +}
> +
> +
> +# Support um (which uses SUBARCH)
> +if [ "${ARCH}" = "um" ]; then
> + if [ "$SUBARCH" = "i386" ]; then
> + archinclude=x86
> + elif [ "$SUBARCH" = "x86_64" ]; then
> + archinclude=x86
> + else
> + archinclude=${SUBARCH}
> + fi
> +fi
> +
> +remove_structs=
> +case "$1" in
> + "cscope")
> + docscope
> + ;;
> +
> + "gtags")
> + dogtags
> + ;;
> +
> + "tags")
> + rm -f tags
> + xtags ctags
> + remove_structs=y
> + ;;
> +
> + "TAGS")
> + rm -f TAGS
> + xtags etags
> + remove_structs=y
> + ;;
> +esac
> +
> +# Remove structure forward declarations.
> +if [ -n "$remove_structs" ]; then
> + LANG=C sed -i -e '/^\([a-zA-Z_][a-zA-Z0-9_]*\)\t.*\t\/\^struct \1;.*\$\/;"\tx$/d' $1
> +fi
> --
> 1.7.10.4
>
>
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>
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