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Adding arrow functions

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This commit is contained in:
Fábio Santos
2015-01-11 20:07:19 +00:00
parent 9d7d365c2b
commit fa5c4f2d03
6 changed files with 129 additions and 2 deletions
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28
lib/output.js
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@@ -763,6 +763,34 @@ function OutputStream(options) {
self._do_print(output);
});
AST_Arrow.DEFMETHOD("_do_print", function(output){
var self = this;
var parent = output.parent();
var needs_parens = parent instanceof AST_Binary ||
parent instanceof AST_Unary ||
parent instanceof AST_Call;
if (needs_parens) { output.print("(") }
if (self.argnames.length === 1 && self.argnames[0] instanceof AST_Symbol) {
self.argnames[0].print(output);
} else {
output.with_parens(function(){
self.argnames.forEach(function(arg, i){
if (i) output.comma();
arg.print(output);
});
});
}
output.space();
output.print('=>');
output.space();
if (self.body instanceof AST_Node) {
this.body.print(output);
} else {
print_bracketed(this.body, output);
}
if (needs_parens) { output.print(")") }
});
/* -----[ exits ]----- */
AST_Exit.DEFMETHOD("_do_print", function(output, kind){
output.print(kind);