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https://github.com/edk2-porting/linux-next.git
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tags: Unify emacs and exuberant rules
The emacs rules were constantly lagging behind the exuberant ones. Use a single set of rules for both, to make the script easier to maintain. The language understood by both tools is basic regular expression with some limitations, which are documented in a comment. To be able to store the rules in an array and easily iterate over it, the script requires bash now. In the exuberant case, the change fixes some false matches in <linux/page-flags.h> and also some too greedy matches in the arguments of the DECLARE_*/DEFINE_* macros. In the emacs case, several previously not working rules are matching now. Tested with these versions of the tools: Exuberant Ctags 5.8, Copyright (C) 1996-2009 Darren Hiebert etags (GNU Emacs 24.5) Signed-off-by: Michal Marek <mmarek@suse.com>
This commit is contained in:
Michal Marek
parent
a1ccdb63b5
commit
93209d65c1
202
scripts/tags.sh
202
scripts/tags.sh
@ -1,4 +1,4 @@
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#!/bin/sh
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#!/bin/bash
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# Generate tags or cscope files
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# Usage tags.sh <mode>
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#
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@ -145,8 +145,108 @@ dogtags()
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all_target_sources | gtags -i -f -
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}
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# Basic regular expressions with an optional /kind-spec/ for ctags and
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# the following limitations:
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# - No regex modifiers
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# - Use \{0,1\} instead of \?, because etags expects an unescaped ?
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# - \s is not working with etags, use a space or [ \t]
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# - \w works, but does not match underscores in etags
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# - etags regular expressions have to match at the start of a line;
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# a ^[^#] is prepended by setup_regex unless an anchor is already present
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regex_asm=(
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'/^\(ENTRY\|_GLOBAL\)(\([[:alnum:]_\\]*\)).*/\2/'
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)
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regex_c=(
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'/^SYSCALL_DEFINE[0-9](\([[:alnum:]_]*\).*/sys_\1/'
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'/^COMPAT_SYSCALL_DEFINE[0-9](\([[:alnum:]_]*\).*/compat_sys_\1/'
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'/^TRACE_EVENT(\([[:alnum:]_]*\).*/trace_\1/'
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'/^TRACE_EVENT(\([[:alnum:]_]*\).*/trace_\1_rcuidle/'
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'/^DEFINE_EVENT([^,)]*, *\([[:alnum:]_]*\).*/trace_\1/'
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'/^DEFINE_EVENT([^,)]*, *\([[:alnum:]_]*\).*/trace_\1_rcuidle/'
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'/^PAGEFLAG(\([[:alnum:]_]*\).*/Page\1/'
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'/^PAGEFLAG(\([[:alnum:]_]*\).*/SetPage\1/'
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'/^PAGEFLAG(\([[:alnum:]_]*\).*/ClearPage\1/'
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'/^TESTSETFLAG(\([[:alnum:]_]*\).*/TestSetPage\1/'
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'/^TESTPAGEFLAG(\([[:alnum:]_]*\).*/Page\1/'
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'/^SETPAGEFLAG(\([[:alnum:]_]*\).*/SetPage\1/'
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'/\<__SETPAGEFLAG(\([[:alnum:]_]*\).*/__SetPage\1/'
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'/\<TESTCLEARFLAG(\([[:alnum:]_]*\).*/TestClearPage\1/'
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'/\<__TESTCLEARFLAG(\([[:alnum:]_]*\).*/TestClearPage\1/'
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'/\<CLEARPAGEFLAG(\([[:alnum:]_]*\).*/ClearPage\1/'
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'/\<__CLEARPAGEFLAG(\([[:alnum:]_]*\).*/__ClearPage\1/'
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'/^__PAGEFLAG(\([[:alnum:]_]*\).*/__SetPage\1/'
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'/^__PAGEFLAG(\([[:alnum:]_]*\).*/__ClearPage\1/'
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'/^PAGEFLAG_FALSE(\([[:alnum:]_]*\).*/Page\1/'
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'/\<TESTSCFLAG(\([[:alnum:]_]*\).*/TestSetPage\1/'
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'/\<TESTSCFLAG(\([[:alnum:]_]*\).*/TestClearPage\1/'
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'/\<SETPAGEFLAG_NOOP(\([[:alnum:]_]*\).*/SetPage\1/'
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'/\<CLEARPAGEFLAG_NOOP(\([[:alnum:]_]*\).*/ClearPage\1/'
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'/\<__CLEARPAGEFLAG_NOOP(\([[:alnum:]_]*\).*/__ClearPage\1/'
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'/\<TESTCLEARFLAG_FALSE(\([[:alnum:]_]*\).*/TestClearPage\1/'
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'/\<__TESTCLEARFLAG_FALSE(\([[:alnum:]_]*\).*/__TestClearPage\1/'
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'/^TASK_PFA_TEST([^,]*, *\([[:alnum:]_]*\))/task_\1/'
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'/^TASK_PFA_SET([^,]*, *\([[:alnum:]_]*\))/task_set_\1/'
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'/^TASK_PFA_CLEAR([^,]*, *\([[:alnum:]_]*\))/task_clear_\1/'
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'/^DEF_MMIO_\(IN\|OUT\)_[XD](\([[:alnum:]_]*\),[^)]*)/\2/'
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'/^DEBUGGER_BOILERPLATE(\([[:alnum:]_]*\))/\1/'
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'/^DEF_PCI_AC_\(\|NO\)RET(\([[:alnum:]_]*\).*/\2/'
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'/^PCI_OP_READ(\(\w*\).*[1-4])/pci_bus_read_config_\1/'
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'/^PCI_OP_WRITE(\(\w*\).*[1-4])/pci_bus_write_config_\1/'
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'/\<DEFINE_\(MUTEX\|SEMAPHORE\|SPINLOCK\)(\([[:alnum:]_]*\)/\2/v/'
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'/\<DEFINE_\(RAW_SPINLOCK\|RWLOCK\|SEQLOCK\)(\([[:alnum:]_]*\)/\2/v/'
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'/\<DECLARE_\(RWSEM\|COMPLETION\)(\([[:alnum:]_]\+\)/\2/v/'
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'/\<DECLARE_BITMAP(\([[:alnum:]_]*\)/\1/v/'
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'/\(^\|\s\)\(\|L\|H\)LIST_HEAD(\([[:alnum:]_]*\)/\3/v/'
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'/\(^\|\s\)RADIX_TREE(\([[:alnum:]_]*\)/\2/v/'
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'/\<DEFINE_PER_CPU([^,]*, *\([[:alnum:]_]*\)/\1/v/'
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'/\<DEFINE_PER_CPU_SHARED_ALIGNED([^,]*, *\([[:alnum:]_]*\)/\1/v/'
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'/\<DECLARE_WAIT_QUEUE_HEAD(\([[:alnum:]_]*\)/\1/v/'
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'/\<DECLARE_\(TASKLET\|WORK\|DELAYED_WORK\)(\([[:alnum:]_]*\)/\2/v/'
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'/\<DEFINE_PCI_DEVICE_TABLE(\([[:alnum:]_]*\)/\1/v/'
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'/\(^\s\)OFFSET(\([[:alnum:]_]*\)/\2/v/'
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'/\(^\s\)DEFINE(\([[:alnum:]_]*\)/\2/v/'
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'/\<DEFINE_HASHTABLE(\([[:alnum:]_]*\)/\1/v/'
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)
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regex_kconfig=(
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'/^[[:blank:]]*\(menu\|\)config[[:blank:]]\+\([[:alnum:]_]\+\)/\2/'
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'/^[[:blank:]]*\(menu\|\)config[[:blank:]]\+\([[:alnum:]_]\+\)/CONFIG_\2/'
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)
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setup_regex()
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{
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local mode=$1 lang tmp=() r
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shift
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regex=()
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for lang; do
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case "$lang" in
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asm) tmp=("${regex_asm[@]}") ;;
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c) tmp=("${regex_c[@]}") ;;
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kconfig) tmp=("${regex_kconfig[@]}") ;;
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esac
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for r in "${tmp[@]}"; do
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if test "$mode" = "exuberant"; then
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regex[${#regex[@]}]="--regex-$lang=${r}b"
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else
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# Remove ctags /kind-spec/
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case "$r" in
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/*/*/?/)
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r=${r%?/}
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esac
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# Prepend ^[^#] unless already anchored
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case "$r" in
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/^*) ;;
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*)
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r="/^[^#]*${r#/}"
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esac
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regex[${#regex[@]}]="--regex=$r"
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fi
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done
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done
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}
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exuberant()
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{
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setup_regex exuberant asm c
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all_target_sources | xargs $1 -a \
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-I __initdata,__exitdata,__initconst, \
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-I __initdata_memblock \
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@ -160,105 +260,21 @@ exuberant()
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-I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL,ACPI_EXPORT_SYMBOL \
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-I DEFINE_TRACE,EXPORT_TRACEPOINT_SYMBOL,EXPORT_TRACEPOINT_SYMBOL_GPL \
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-I static,const \
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--extra=+f --c-kinds=+px --langmap=c:+.h \
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--regex-asm='/^(ENTRY|_GLOBAL)\(([^)]*)\).*/\2/' \
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--regex-c='/^SYSCALL_DEFINE[[:digit:]]?\(([^,)]*).*/sys_\1/' \
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--regex-c='/^COMPAT_SYSCALL_DEFINE[[:digit:]]?\(([^,)]*).*/compat_sys_\1/' \
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--regex-c='/^TRACE_EVENT\(([^,)]*).*/trace_\1/' \
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--regex-c='/^TRACE_EVENT\(([^,)]*).*/trace_\1_rcuidle/' \
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--regex-c='/^DEFINE_EVENT\([^,)]*, *([^,)]*).*/trace_\1/' \
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--regex-c='/^DEFINE_EVENT\([^,)]*, *([^,)]*).*/trace_\1_rcuidle/' \
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--regex-c='/PAGEFLAG\(([^,)]*).*/Page\1/' \
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--regex-c='/PAGEFLAG\(([^,)]*).*/SetPage\1/' \
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--regex-c='/PAGEFLAG\(([^,)]*).*/ClearPage\1/' \
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--regex-c='/TESTSETFLAG\(([^,)]*).*/TestSetPage\1/' \
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--regex-c='/TESTPAGEFLAG\(([^,)]*).*/Page\1/' \
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--regex-c='/SETPAGEFLAG\(([^,)]*).*/SetPage\1/' \
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--regex-c='/__SETPAGEFLAG\(([^,)]*).*/__SetPage\1/' \
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--regex-c='/TESTCLEARFLAG\(([^,)]*).*/TestClearPage\1/' \
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--regex-c='/__TESTCLEARFLAG\(([^,)]*).*/TestClearPage\1/' \
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--regex-c='/CLEARPAGEFLAG\(([^,)]*).*/ClearPage\1/' \
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--regex-c='/__CLEARPAGEFLAG\(([^,)]*).*/__ClearPage\1/' \
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--regex-c='/__PAGEFLAG\(([^,)]*).*/__SetPage\1/' \
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--regex-c='/__PAGEFLAG\(([^,)]*).*/__ClearPage\1/' \
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--regex-c='/PAGEFLAG_FALSE\(([^,)]*).*/Page\1/' \
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--regex-c='/TESTSCFLAG\(([^,)]*).*/TestSetPage\1/' \
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--regex-c='/TESTSCFLAG\(([^,)]*).*/TestClearPage\1/' \
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--regex-c='/SETPAGEFLAG_NOOP\(([^,)]*).*/SetPage\1/' \
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--regex-c='/CLEARPAGEFLAG_NOOP\(([^,)]*).*/ClearPage\1/' \
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--regex-c='/__CLEARPAGEFLAG_NOOP\(([^,)]*).*/__ClearPage\1/' \
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--regex-c='/TESTCLEARFLAG_FALSE\(([^,)]*).*/TestClearPage\1/' \
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--regex-c='/__TESTCLEARFLAG_FALSE\(([^,)]*).*/__TestClearPage\1/' \
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--regex-c='/TASK_PFA_TEST\([^,]*,\s*([^)]*)\)/task_\1/' \
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--regex-c='/TASK_PFA_SET\([^,]*,\s*([^)]*)\)/task_set_\1/' \
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--regex-c='/TASK_PFA_CLEAR\([^,]*,\s*([^)]*)\)/task_clear_\1/'\
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--regex-c='/DEF_MMIO_(IN|OUT)_(X|D)\(([^,]*),\s*[^)]*\)/\3/' \
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--regex-c='/DEBUGGER_BOILERPLATE\(([^,]*)\)/\1/' \
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--regex-c='/DEF_PCI_AC_(NO)?RET\(([^,]*),.*/\2/' \
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--regex-c='/PCI_OP_READ\((\w*).*[1-4]\)/pci_bus_read_config_\1/' \
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--regex-c='/PCI_OP_WRITE\((\w*).*[1-4]\)/pci_bus_write_config_\1/' \
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--regex-c='/DEFINE_(MUTEX|SEMAPHORE|SPINLOCK)\((\w*)/\2/v/' \
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--regex-c='/DEFINE_(RAW_SPINLOCK|RWLOCK|SEQLOCK)\((\w*)/\2/v/' \
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--regex-c='/DECLARE_(RWSEM|COMPLETION)\((\w+)/\2/v/' \
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--regex-c='/DECLARE_BITMAP\((\w*)/\1/v/' \
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--regex-c='/(^|\s)(|L|H)LIST_HEAD\((\w*)/\3/v/' \
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--regex-c='/(^|\s)RADIX_TREE\((\w*)/\2/v/' \
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--regex-c='/DEFINE_PER_CPU\(([^,]*,\s*)(\w*).*\)/\2/v/' \
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--regex-c='/DEFINE_PER_CPU_SHARED_ALIGNED\(([^,]*,\s*)(\w*).*\)/\2/v/' \
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--regex-c='/DECLARE_WAIT_QUEUE_HEAD\((\w*)/\1/v/' \
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--regex-c='/DECLARE_(TASKLET|WORK|DELAYED_WORK)\((\w*)/\2/v/' \
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--regex-c='/DEFINE_PCI_DEVICE_TABLE\((\w*)/\1/v/' \
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--regex-c='/(^\s)OFFSET\((\w*)/\2/v/' \
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--regex-c='/(^\s)DEFINE\((\w*)/\2/v/' \
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--regex-c='/DEFINE_HASHTABLE\((\w*)/\1/v/'
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--extra=+f --c-kinds=+px --langmap=c:+.h "${regex[@]}"
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setup_regex exuberant kconfig
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all_kconfigs | xargs $1 -a \
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--langdef=kconfig --language-force=kconfig \
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--regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/\2/' \
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--regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/CONFIG_\2/'
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--langdef=kconfig --language-force=kconfig "${regex[@]}"
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}
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emacs()
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{
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all_target_sources | xargs $1 -a \
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--regex='/^\(ENTRY\|_GLOBAL\)(\([^)]*\)).*/\2/' \
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--regex='/^SYSCALL_DEFINE[0-9]?(\([^,)]*\).*/sys_\1/' \
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--regex='/^COMPAT_SYSCALL_DEFINE[0-9]?(\([^,)]*\).*/compat_sys_\1/' \
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--regex='/^TRACE_EVENT(\([^,)]*\).*/trace_\1/' \
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--regex='/^TRACE_EVENT(\([^,)]*\).*/trace_\1_rcuidle/' \
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--regex='/^DEFINE_EVENT([^,)]*, *\([^,)]*\).*/trace_\1/' \
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--regex='/^DEFINE_EVENT([^,)]*, *\([^,)]*\).*/trace_\1_rcuidle/' \
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--regex='/PAGEFLAG(\([^,)]*\).*/Page\1/' \
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--regex='/PAGEFLAG(\([^,)]*\).*/SetPage\1/' \
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--regex='/PAGEFLAG(\([^,)]*\).*/ClearPage\1/' \
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--regex='/TESTSETFLAG(\([^,)]*\).*/TestSetPage\1/' \
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--regex='/TESTPAGEFLAG(\([^,)]*\).*/Page\1/' \
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--regex='/SETPAGEFLAG(\([^,)]*\).*/SetPage\1/' \
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--regex='/__SETPAGEFLAG(\([^,)]*\).*/__SetPage\1/' \
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--regex='/TESTCLEARFLAG(\([^,)]*\).*/TestClearPage\1/' \
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--regex='/__TESTCLEARFLAG(\([^,)]*\).*/TestClearPage\1/' \
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--regex='/CLEARPAGEFLAG(\([^,)]*\).*/ClearPage\1/' \
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--regex='/__CLEARPAGEFLAG(\([^,)]*\).*/__ClearPage\1/' \
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--regex='/__PAGEFLAG(\([^,)]*\).*/__SetPage\1/' \
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--regex='/__PAGEFLAG(\([^,)]*\).*/__ClearPage\1/' \
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--regex='/PAGEFLAG_FALSE(\([^,)]*\).*/Page\1/' \
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--regex='/TESTSCFLAG(\([^,)]*\).*/TestSetPage\1/' \
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--regex='/TESTSCFLAG(\([^,)]*\).*/TestClearPage\1/' \
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--regex='/SETPAGEFLAG_NOOP(\([^,)]*\).*/SetPage\1/' \
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--regex='/CLEARPAGEFLAG_NOOP(\([^,)]*\).*/ClearPage\1/' \
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--regex='/__CLEARPAGEFLAG_NOOP(\([^,)]*\).*/__ClearPage\1/' \
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--regex='/TESTCLEARFLAG_FALSE(\([^,)]*\).*/TestClearPage\1/' \
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--regex='/__TESTCLEARFLAG_FALSE(\([^,)]*\).*/__TestClearPage\1/' \
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--regex='/TASK_PFA_TEST\([^,]*,\s*([^)]*)\)/task_\1/' \
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--regex='/TASK_PFA_SET\([^,]*,\s*([^)]*)\)/task_set_\1/' \
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--regex='/TASK_PFA_CLEAR\([^,]*,\s*([^)]*)\)/task_clear_\1/' \
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--regex='/PCI_OP_READ(\([a-z]*[a-z]\).*[1-4])/pci_bus_read_config_\1/' \
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--regex='/PCI_OP_WRITE(\([a-z]*[a-z]\).*[1-4])/pci_bus_write_config_\1/'\
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--regex='/[^#]*DEFINE_HASHTABLE(\([^,)]*\)/\1/'
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setup_regex emacs asm c
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all_target_sources | xargs $1 -a "${regex[@]}"
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all_kconfigs | xargs $1 -a \
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--regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/\3/' \
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--regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/CONFIG_\3/'
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setup_regex emacs kconfig
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all_kconfigs | xargs $1 -a "${regex[@]}"
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}
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xtags()
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