}, AST_Statement);
function walk_body(node, visitor) {
- if (node.body instanceof AST_Statement) {
- node.body._walk(visitor);
+ var body = node.body;
+ if (body instanceof AST_Statement) {
+ body._walk(visitor);
+ }
+ else for (var i = 0, len = body.length; i < len; i++) {
+ body[i]._walk(visitor);
}
- else node.body.forEach(function(stat){
- stat._walk(visitor);
- });
};
var AST_Block = DEFNODE("Block", "body", {
_walk: function(visitor) {
return visitor._visit(this, function(){
if (this.name) this.name._walk(visitor);
- this.argnames.forEach(function(arg){
- arg._walk(visitor);
- });
+ var argnames = this.argnames;
+ for (var i = 0, len = argnames.length; i < len; i++) {
+ argnames[i]._walk(visitor);
+ }
walk_body(this, visitor);
});
}
},
_walk: function(visitor) {
return visitor._visit(this, function(){
- this.definitions.forEach(function(def){
- def._walk(visitor);
- });
+ var definitions = this.definitions;
+ for (var i = 0, len = definitions.length; i < len; i++) {
+ definitions[i]._walk(visitor);
+ }
});
}
}, AST_Statement);
_walk: function(visitor) {
return visitor._visit(this, function(){
this.expression._walk(visitor);
- this.args.forEach(function(arg){
- arg._walk(visitor);
- });
+ var args = this.args;
+ for (var i = 0, len = args.length; i < len; i++) {
+ args[i]._walk(visitor);
+ }
});
}
});
},
_walk: function(visitor) {
return visitor._visit(this, function(){
- this.elements.forEach(function(el){
- el._walk(visitor);
- });
+ var elements = this.elements;
+ for (var i = 0, len = elements.length; i < len; i++) {
+ elements[i]._walk(visitor);
+ }
});
}
});
},
_walk: function(visitor) {
return visitor._visit(this, function(){
- this.properties.forEach(function(prop){
- prop._walk(visitor);
- });
+ var properties = this.properties;
+ for (var i = 0, len = properties.length; i < len; i++) {
+ properties[i]._walk(visitor);
+ }
});
}
});
// returned if nothing changed.
function trim(nodes, compressor, first_in_statement) {
var ret = [], changed = false;
- for (var i = 0, ii = nodes.length; i < ii; i++) {
+ for (var i = 0, len = nodes.length; i < len; i++) {
var node = nodes[i].drop_side_effect_free(compressor, first_in_statement);
changed |= node !== nodes[i];
if (node) {