Jison Lex is an open source programming language created in 2013 by Zachary Carter.
#867on PLDB | 11Years Old | 0Repos |
git clone https://github.com/zaach/jison-lex
generates lexical analyzers. used by jison.
%%
\n+ {yy.freshLine = true;}
\s+ {yy.freshLine = false;}
"y{"[^}]*"}" {yytext = yytext.substr(2, yyleng - 3); return 'ACTION';}
[a-zA-Z_][a-zA-Z0-9_-]* {return 'NAME';}
'"'([^"]|'\"')*'"' {return 'STRING_LIT';}
"'"([^']|"\'")*"'" {return 'STRING_LIT';}
"|" {return '|';}
"["("\]"|[^\]])*"]" {return 'ANY_GROUP_REGEX';}
"(" {return '(';}
")" {return ')';}
"+" {return '+';}
"*" {return '*';}
"?" {return '?';}
"^" {return '^';}
"/" {return '/';}
"\\"[a-zA-Z0] {return 'ESCAPE_CHAR';}
"TEMPLATEquot; {return 'TEMPLATE#39;;}
"<<EOF>>" {return 'TEMPLATE#39;;}
"." {return '.';}
"%%" {return '%%';}
"{"\d+(","\s?\d+|",")?"}" {return 'RANGE_REGEX';}
/"{" %{if (yy.freshLine) { this.input('{'); return '{'; } else { this.unput('y'); }%}
"}" %{return '}';%}
"%{"(.|\n)*?"}%" {yytext = yytext.substr(2, yyleng - 4); return 'ACTION';}
. {/* ignore bad characters */}
<<EOF>> {return 'EOF';}
Feature | Supported | Example | Token |
---|---|---|---|
Booleans | ✓ | true false |