windwiny / san_zoneshow_parser

SAN zoneshow racc parser

SAN zoneshow parser

SAN zoneshow log parser and utils
Compilers Principles Practice

flex/bison      C language
rexical/racc    Ruby language
nex/yacc        Go language
ANTLR4 visitor/listener  Java/Python3/TypeScript language

prepare

show Makefile    , generate code, compile and run
show run_diff.rb , lexer/parser usage

ruby
  gem install rexical racc

c flex/bison

go
  github.com/blynn/nex
  golang.org/x/tools/cmd/goyacc

antlr4
 copy or link antlr-latest-complete.jar(>=4.12 for TypeScript target) to project directory.
 install antlr4 runtime
  java         CLASSPATH=.:$(pwd)/antlr-latest-complete.jar
  python       pip3 install antlr4-python3-runtime
  node js/ts   pnpm i -D antlr4 vite typescript

run make create:

c_zs
zoneshow.tab.rb
go_zs
vantlr4/(java,py3,ts)(visitor,listener)

run parser syntax:

./c_zs < cfg4.txt
ruby zoneshow.tab.rb cfg4.txt

run lexical syntax:

./c_zs -l < cfg4.txt
ruby zoneshow.rex.rb cfg4.txt

diff c parser and ruby parser result

make
ruby run_diff.rb cfg4.txt
make diff FILE=cfg4.txt

other ruby util

require 'sanuitl'
puts SANUtil.singleton_methods

# from logfile generate create scripts
ruby zoneshow.tab.rb cfg4.txt --keeporder
# or
$keeporder = true
SANUtil.parse_file(fn)

# from logfile generate Hash
SANUtil.sanlog2kvs(fn)

other antlr

./go_zs < cfg4.txt

python vantlr4/MainListener.py < cfg4.txt
python vantlr4/MainVisitor.py  < cfg4.txt

java -cp vantlr4:antlr-latest-complete.jar  ListenerMain < cfg4.txt
java -cp vantlr4:antlr-latest-complete.jar  ListenerMain   cfg4.txt

java -cp vantlr4:antlr-latest-complete.jar  VisitorMain < cfg4.txt
java -cp vantlr4:antlr-latest-complete.jar  VisitorMain   cfg4.txt

other antlr javascript/typescript node/web env

#   Refer to the Makefile
# npmjs package  antlr4 >= 4.12.0
# add `"targets": {"chrome": "58","node":"16"}` to .babelrc, run npx webpack rebuild dist/ generate ES6 js

make ts_vis ts_lis

tsc xxx
ruby util-add-js-suffix.rb

node vantlr4/ts2js/TsMainListener-node.js < cfg4.txt
node vantlr4/ts2js/TsMainVisitor-node.js  < cfg4.txt

# work on web
vite                 # dev open web browser show html
vite build -c xxx    # build, and/or can change`<script>` in html,
ruby util-html-ch-nomodule.rb