106 lines
2.6 KiB
Bash
Executable File
106 lines
2.6 KiB
Bash
Executable File
#!/bin/sh
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# src/tools/make_ctags [-e] [-n]
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# If -e is specified, generate tags files for emacs.
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# If -n is specified, don't create symbolic links of tags file.
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usage="Usage: $0 [-e][-n]"
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if [ $# -gt 2 ]
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then echo $usage
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exit 1
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fi
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EMACS_MODE=
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NO_SYMLINK=
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IS_EXUBERANT=
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PROG="ctags"
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TAGS_OPT="-a -f"
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TAGS_FILE="tags"
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FLAGS=
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IGNORE_IDENTIFIES=
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while [ $# -gt 0 ]
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do
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if [ $1 = "-e" ]
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then EMACS_MODE="Y"
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elif [ $1 = "-n" ]
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then NO_SYMLINK="Y"
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else
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echo $usage
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exit 1
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fi
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shift
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done
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if [ ! "$EMACS_MODE" ]
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then (command -v ctags >/dev/null) || \
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{ echo "'ctags' program not found" 1>&2; exit 1; }
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fi
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ctags --version 2>&1 | grep Exuberant && IS_EXUBERANT="Y"
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if [ "$EMACS_MODE" ]
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then TAGS_FILE="TAGS"
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if [ "$IS_EXUBERANT" ]
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then PROG="ctags -e"
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else (command -v etags >/dev/null) || \
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{ echo "neither 'etags' nor exuberant 'ctags' program not found" 1>&2; exit 1; }
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PROG="etags"
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TAGS_OPT="-a -o"
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fi
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fi
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# List of kinds supported by Exuberant Ctags 5.8
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# generated by ctags --list-kinds
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# --c-kinds was called --c-types before 2003
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# c classes
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# d macro definitions
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# e enumerators (values inside an enumeration)
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# f function definitions
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# g enumeration names
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# l local variables [off]
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# m class, struct, and union members
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# n namespaces
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# p function prototypes [off]
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# s structure names
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# t typedefs
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# u union names
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# v variable definitions
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# x external and forward variable declarations [off]
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if [ "$IS_EXUBERANT" ]
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then FLAGS="--c-kinds=+dfmstuv"
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elif [ ! "$EMACS_MODE" ]
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then FLAGS="-dt"
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fi
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# Use -I option to ignore a macro
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if [ "$IS_EXUBERANT" ]
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then IGNORE_IDENTIFIES="-I pg_node_attr+"
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fi
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trap "ret=$?; rm -rf /tmp/$$; exit $ret" 0 1 2 3 15
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rm -f ./$TAGS_FILE
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# this is outputting the tags into the file 'tags', and appending
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find `pwd`/ \( -name tmp_install -prune -o -name tmp_check -prune \) \
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-o \( -name "*.[chly]" -o -iname "*makefile*" -o -name "*.mk" -o -name "*.in" \
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-o -name "*.sql" -o -name "*.p[lm]" \) -type f -print |
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xargs $PROG $TAGS_OPT $TAGS_FILE $FLAGS $IGNORE_IDENTIFIES
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# Sorting non-Exuberant ctags file allows for fast searching of the tags file.
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# Since etags file has a header that we cannot sort in with the other entries
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# we skip the sort step.
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if [ ! "$IS_EXUBERANT" -a ! "$EMACS_MODE" ]
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then LC_ALL=C
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export LC_ALL
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sort $TAGS_FILE >/tmp/$$ && mv /tmp/$$ $TAGS_FILE
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fi
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# create symbolic links
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if [ ! "$NO_SYMLINK" ]
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then find . \( -name 'CVS' -prune \) -o \( -name .git -prune \) -o -type d -print |
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while read DIR
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do [ "$DIR" != "." ] && ln -f -s `echo "$DIR" | sed 's;/[^/]*;/..;g'`/$TAGS_FILE "$DIR"/$TAGS_FILE
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done
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fi
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