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throw error if there is no string representation

This commit is contained in:
Ryan X. Charles 2014-09-01 20:00:54 -07:00
parent 3b2b725070
commit eaaf8aade3
1 changed files with 4 additions and 1 deletions
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5
lib/opcode.js
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@ -33,7 +33,10 @@ Opcode.prototype.fromString = function(str) {
}; };
Opcode.prototype.toString = function() { Opcode.prototype.toString = function() {
return Opcode.reverseMap[this.num]; var str = Opcode.reverseMap[this.num];
if (typeof str === 'undefined')
throw new Error('Opcode does not have a string representation');
return str;
}; };
Opcode.map = { Opcode.map = {