23 lines
742 B
JavaScript
23 lines
742 B
JavaScript
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var jsp = require("./parse-js"),
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pro = require("./process"),
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slice = jsp.slice,
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member = jsp.member,
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PRECEDENCE = jsp.PRECEDENCE,
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OPERATORS = jsp.OPERATORS;
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function ast_squeeze_more(ast) {
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var w = pro.ast_walker(), walk = w.walk;
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return w.with_walkers({
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"call": function(expr, args) {
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if (expr[0] == "dot" && expr[2] == "toString" && args.length == 0) {
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// foo.toString() ==> foo+""
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return [ "binary", "+", expr[1], [ "string", "" ]];
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}
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}
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}, function() {
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return walk(ast);
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});
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};
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exports.ast_squeeze_more = ast_squeeze_more;
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