var fs = require(“fs”);

exports.FILES = [

require.resolve("../lib/utils.js"),
require.resolve("../lib/ast.js"),
require.resolve("../lib/parse.js"),
require.resolve("../lib/transform.js"),
require.resolve("../lib/scope.js"),
require.resolve("../lib/output.js"),
require.resolve("../lib/compress.js"),
require.resolve("../lib/sourcemap.js"),
require.resolve("../lib/mozilla-ast.js"),
require.resolve("../lib/propmangle.js"),
require.resolve("../lib/minify.js"),
require.resolve("./exports.js"),

];

new Function(“MOZ_SourceMap”, “exports”, function() {

var code = exports.FILES.map(function(file) {
    return fs.readFileSync(file, "utf8");
});
code.push("exports.describe_ast = " + describe_ast.toString());
return code.join("\n\n");

}())(require(“source-map”), exports);

function describe_ast() {

var out = OutputStream({ beautify: true });
function doitem(ctor) {
    out.print("AST_" + ctor.TYPE);
    var props = ctor.SELF_PROPS.filter(function(prop) {
        return !/^\$/.test(prop);
    });
    if (props.length > 0) {
        out.space();
        out.with_parens(function() {
            props.forEach(function(prop, i) {
                if (i) out.space();
                out.print(prop);
            });
        });
    }
    if (ctor.documentation) {
        out.space();
        out.print_string(ctor.documentation);
    }
    if (ctor.SUBCLASSES.length > 0) {
        out.space();
        out.with_block(function() {
            ctor.SUBCLASSES.sort(function(a, b) {
                return a.TYPE < b.TYPE ? -1 : 1;
            }).forEach(function(ctor, i) {
                out.indent();
                doitem(ctor);
                out.newline();
            });
        });
    }
};
doitem(AST_Node);
return out + "\n";

}

function infer_options(options) {

var result = exports.minify("", options);
return result.error && result.error.defs;

}

exports.default_options = function() {

var defs = {};
Object.keys(infer_options({ 0: 0 })).forEach(function(component) {
    var options = {};
    options[component] = { 0: 0 };
    if (options = infer_options(options)) {
        defs[component] = options;
    }
});
return defs;

};