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JavaScript

var utils = require("./utils");
module.exports = {
passes: require("./compiler/passes"),
/*
* Names of passes that will get run during the compilation (in the specified
* order).
*/
appliedPassNames: [
"reportMissingRules",
"reportLeftRecursion",
"removeProxyRules",
"generateBytecode",
"generateJavascript"
],
/*
* Generates a parser from a specified grammar AST. Throws |PEG.GrammarError|
* if the AST contains a semantic error. Note that not all errors are detected
* during the generation and some may protrude to the generated parser and
* cause its malfunction.
*/
compile: function(ast, options) {
if (options === undefined) { options = {}; }
var that = this,
output = options.output !== undefined ? options.output : "parser";
utils.each(this.appliedPassNames, function(passName) {
that.passes[passName](ast, options);
});
switch (output) {
case "parser": return eval(ast.code);
case "source": return ast.code;
}
}
};