Requires

• node
• npm
• gcc

Compile lemon-js

gcc -o ./lemon-src/lemon-js -O2 ./lemon-src/lemon-js.c

npm install

or

./build.sh

Start

You need create your config.js from config.template

node main.js --c=<your_config>.js --t=<web|node>

default config -> config.js

Test

Also you can test your parser

node test.js --c=<your_config>.js

Also

You can use this syntax for include your *.y file.

<&&REPLACER{<file_path>}&&>

Special Directives

See lemon.html for additional documentation.

• %name - Set parser class name (default is "Parse")
• %include - Include code in the beginning of file (usefull for imports)
• %code - Include code in the end of file (usefull for exports or main code)
• %token_destructor - Define code which will be executed on token destruction.
• %default_destructor
• %token_prefix - Define token name prefix.
• %syntax_error - Define custom error handler for syntax erorrs.
• %parse_accept - Define handler for all accepted tokens.
• %parse_failure - Define handler for parse errors.
• %stack_overflow - Define handler for stack overflow.
• %extra_argument - NOT SUPPORTED
• %token_type - NOT SUPPORTED
• %default_type - NOT SUPPORTED
• %stack_size - Set default stack size.
• %start_symbol
• %left - Set left associative tokens.
• %right - Set right associative tokens.
• %nonassoc - Set non associative tokens.
• %destructor - Define custom parser destructor.
• %type - NOT SUPPORTED
• %fallback - Define fallback logic for tokens.
• %wildcard - Define WILDCARD token.
• %token_class - NOT SUPPORTED

Lexer

Used re2js lexer from: http://git.macaw.me:3000/chichenkov/re2-js-generator

Original project

See https://github.com/sormy/lemon-js