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Fix infinite loop

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Fixes infinite loop in case when number or letter appears outside of parentheses.

For example:
`(add 1 2)5` or `(add 2 3)abs`
This commit is contained in:
Igor Mozharovsky 2016-12-03 19:38:17 +02:00 committed by GitHub
parent 3356bea996
commit b46bfb1eba
1 changed files with 2 additions and 2 deletions
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4
super-tiny-compiler.js
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@ -423,7 +423,7 @@ function tokenizer(input) {
// Then we're going to loop through each character in the sequence until // Then we're going to loop through each character in the sequence until
// we encounter a character that is not a number, pushing each character // we encounter a character that is not a number, pushing each character
// that is a number to our `value` and incrementing `current` as we go. // that is a number to our `value` and incrementing `current` as we go.
while (NUMBERS.test(char)) { while (char && NUMBERS.test(char)) {
value += char; value += char;
char = input[++current]; char = input[++current];
} }
@ -447,7 +447,7 @@ function tokenizer(input) {
// Name token // Name token
// //
var LETTERS = /[a-z]/i; var LETTERS = /[a-z]/i;
if (LETTERS.test(char)) { if (char && LETTERS.test(char)) {
var value = ''; var value = '';
// Again we're just going to loop through all the letters pushing them to // Again we're just going to loop through all the letters pushing them to