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binary number support

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邬江 2018-09-17 17:21:13 +08:00
parent ea999b0e92
commit ad896594e1
1 changed files with 3 additions and 0 deletions
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3
lib/parse.js
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@ -59,6 +59,7 @@ var OPERATOR_CHARS = makePredicate(characters("+-*&%=<>!?|~^"));
var RE_HEX_NUMBER = /^0x[0-9a-f]+$/i; var RE_HEX_NUMBER = /^0x[0-9a-f]+$/i;
var RE_OCT_NUMBER = /^0[0-7]+$/; var RE_OCT_NUMBER = /^0[0-7]+$/;
var RE_BIN_NUMBER = /^0b[01]+$/i;
var OPERATORS = makePredicate([ var OPERATORS = makePredicate([
"in", "in",
@ -193,6 +194,8 @@ function parse_js_number(num) {
return parseInt(num.substr(2), 16); return parseInt(num.substr(2), 16);
} else if (RE_OCT_NUMBER.test(num)) { } else if (RE_OCT_NUMBER.test(num)) {
return parseInt(num.substr(1), 8); return parseInt(num.substr(1), 8);
} else if (RE_BIN_NUMBER.test(num)) {
return parseInt(num.substr(2), 2);
} else { } else {
var val = parseFloat(num); var val = parseFloat(num);
if (val == num) return val; if (val == num) return val;