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convert while into for

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This commit is contained in:
Mihai Bazon
2012-11-05 16:01:20 +02:00
parent fba0c1aafe
commit ffccb233e5
1 changed files with 9 additions and 0 deletions
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9
lib/compress.js
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@@ -1118,6 +1118,15 @@ merge(Compressor.prototype, {
return self; return self;
}); });
OPT(AST_While, function(self, compressor) {
if (!compressor.option("loops")) return self;
self = AST_DWLoop.prototype.optimize.call(self, compressor);
if (self instanceof AST_While) {
self = make_node(AST_For, self, self);
}
return self;
});
OPT(AST_For, function(self, compressor){ OPT(AST_For, function(self, compressor){
var cond = self.condition; var cond = self.condition;
if (cond) { if (cond) {