Extract Neo4j Cypher keywords, clauses & functions

cypher-mode.sh

#!/bin/sh
url=http://m2.neo4j.org/content/repositories/snapshots/org/neo4j/neo4j-cypher-compiler-2.2/2.2-SNAPSHOT/neo4j-cypher-compiler-2.2-2.2-20140807.002630-9-sources.jar
fn=$(echo $url | sed -re 's/^.*\/([^/]*)$/\1/')
curl -s -o $fn -L $url
jar xf $fn org/neo4j/cypher/internal/compiler/

echo Cypher Keywords
grep --no-filename -re 'keyword(' org/neo4j/cypher/internal/compiler/ \
    | sed 's/keyword(/\n\0/g' \
    | awk '/keyword\("/ { print tolower($0) }' \
    | sed -e 's/keyword(//' -e 's/).*//' \
    | sort | uniq | sed ':a;N;$!ba;s/\n/ /g'

echo Cypher Clauses
grep --no-filename -re 'rule(' org/neo4j/cypher/internal/compiler/ \
    | sed 's/rule(/\n\0/g' \
    | grep -E '"[A-Z][A-Z ]+?"' \
    | awk '/rule\("/ { print tolower($0) }' \
    | sed -e 's/rule(//' -e 's/).*//' \
    | sort | uniq | sed ':a;N;$!ba;s/\n/ /g'

echo Cypher Functions
fn_dir=$(find org/ -name functions -type d)
grep --no-filename -re 'name' $fn_dir \
    | awk '{ print tolower($4) }' \
    | awk '/^"/ { print }' \
    | sort | uniq \
    | sed ':a;N;$!ba;s/\n/ /g'