Sha256: f57a1113ab693ef306920c009d448d43be5287a810ed42fc4b625c44d1ea8146
Contents?: true
Size: 564 Bytes
Versions: 7
Compression:
Stored size: 564 Bytes
Contents
/* description: Parses end executes mathematical expressions. */
%left '+' '-'
%left '*' '/'
%left '^'
%left UMINUS
%%
S
: e EOF
{print($1); return $1;}
;
e
: e '+' e
{$$ = $1+$3;}
| e '-' e
{$$ = $1-$3;}
| e '*' e
{$$ = $1*$3;}
| e '/' e
{$$ = $1/$3;}
| e '^' e
{$$ = Math.pow($1, $3);}
| '-' e
{$$ = -$2;} %prec UMINUS
| '(' e ')'
{$$ = $2;}
| NUMBER
{$$ = Number(yytext);}
| E
{$$ = Math.E;}
| PI
{$$ = Math.PI;}
;
Version data entries
7 entries across 7 versions & 1 rubygems