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stedolan-jq/c/lexer.l
Stephen Dolan da5d653de8 Add a Boolean "not" operator.
Not wholly convinced this is a good idea, maybe "not" should be a
builtin function instead? 'not (.a == .b)' vs. '.a == .b | not'
2012-09-04 20:43:40 +01:00

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%{
#include "compile.h"
#include "parser.tab.h" /* Generated by bison. */
%}
%option noyywrap nounput noinput nodefault
%option reentrant
%option bison-bridge bison-locations
%%
"==" { return EQ; }
"as" { return AS; }
"def" { return DEF; }
"|=" { return SETPIPE; }
"if" { return IF; }
"then" { return THEN; }
"else" { return ELSE; }
"elif" { return ELSE_IF; }
"and" { return AND; }
"or" { return OR; }
"not" { return NOT; }
"end" { return END; }
"//" { return DEFINEDOR; }
"."|"="|";"|"["|"]"|","|":"|"("|")"|"{"|"}"|"|"|"+"|"\$" { return yytext[0];}
\"(\\.|[^\\"])*\" |
-?[0-9.]+([eE][+-]?[0-9]+)? {
yylval->literal = jv_parse_sized(yytext, yyleng); return LITERAL;
}
[[:alnum:]]+ { yylval->literal = jv_string(yytext); return IDENT;}
[ \n\t]+ {}
%%
/* perhaps these should be calls... */
/*
"true" { return TRUE; }
"false" { return FALSE; }
"null" { return NULL; }
*/