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make: convert make completion to use smarter parser

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This commit is contained in:
Tristan Wibberley 2012-08-27 14:17:28 +01:00 committed by Igor Murzov
parent 1c362f4c99
commit b28d7108d3
1 changed files with 61 additions and 10 deletions
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71
completions/make
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@ -1,11 +1,66 @@
# bash completion for GNU make -*- shell-script -*-
function _make_target_extract_script()
{
local prefix=$(printf "%s\n" "$1" | sed 's/[][\.*^$(){}?+|/]/\\&/g')
cat <<EOF
/^# Make data base/,/^# Files/d # skip until files section
/^# Not a target/,/^$/ d # skip not target blocks
/^${prefix}/,/^$/! d # skip anything user dont want
# The stuff above here describes lines that are not
# explicit targets or not targets other than special ones
# The stuff below here decides whether an explicit target
# should be output.
/^# File is an intermediate prerequisite/ {
s/^.*$//;x # unhold target
d # delete line
}
/^$/ { # end of target block
x # unhold target
s/^(${prefix}[^:/]*\/).*:.*$/\1/p # write targets for subdirs
s/:.*$/ /p # write complete targets
d # hide any bugs
}
/^[^#\t:%]+:/ { # found target block
/^\.PHONY:/ d # special target
/^\.SUFFIXES:/ d # special target
/^\.DEFAULT:/ d # special target
/^\.PRECIOUS:/ d # special target
/^\.INTERMEDIATE:/ d # special target
/^\.SECONDARY:/ d # special target
/^\.SECONDEXPANSION:/ d # special target
/^\.DELETE_ON_ERROR:/ d # special target
/^\.IGNORE:/ d # special target
/^\.LOW_RESOLUTION_TIME:/ d # special target
/^\.SILENT:/ d # special target
/^\.EXPORT_ALL_VARIABLES:/ d # special target
/^\.NOTPARALLEL:/ d # special target
/^\.ONESHELL:/ d # special target
/^\.POSIX:/ d # special target
/^\.NOEXPORT:/ d # special target
/^\.MAKE:/ d # special target
/^[^a-zA-Z0-9]/ d # convention for hidden tgt
h # hold target
d # delete line
}
EOF
}
_make()
{
local cur prev words cword split
_init_completion -s || return
local file makef makef_dir="." makef_inc i
local file makef makef_dir=( "-C" "." ) makef_inc i
case $prev in
-f|--file|--makefile|-o|--old-file|--assume-old|-W|--what-if|\
@ -49,7 +104,7 @@ _make()
for (( i=0; i < ${#words[@]}; i++ )); do
if [[ ${words[i]} == -@(C|-directory) ]]; then
# eval for tilde expansion
eval makef_dir=${words[i+1]}
eval makef_dir=( -C "${words[i+1]}" )
break
fi
done
@ -59,18 +114,14 @@ _make()
for (( i=0; i < ${#words[@]}; i++ )); do
if [[ ${words[i]} == -@(f|-?(make)file) ]]; then
# eval for tilde expansion
eval makef=${words[i+1]}
eval makef=( -f "${words[i+1]}" )
break
fi
done
[[ -n $makef ]] && makef="-f ${makef}"
[[ -n $makef_dir ]] && makef_dir="-C ${makef_dir}"
COMPREPLY=( $( compgen -W "$( make -qp $makef $makef_dir 2>/dev/null | \
awk -F':' '/^[a-zA-Z0-9][^$#\/\t=]*:([^=]|$)/ \
{split($1,A,/ /);for(i in A)print A[i]}' )" \
-- "$cur" ) )
COMPREPLY=( $( compgen -W "$( LC_ALL=C \
make -npq "${makef[@]}" "${makef_dir[@]}" .DEFAULT 2>/dev/null | \
sed -n -r -f <(_make_target_extract_script "$cur") )" -- "$cur" ) )
fi
} &&