1 | var fs = require("fs");
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2 |
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3 | exports.FILES = [
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4 | require.resolve("../lib/utils.js"),
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5 | require.resolve("../lib/ast.js"),
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6 | require.resolve("../lib/parse.js"),
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7 | require.resolve("../lib/transform.js"),
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8 | require.resolve("../lib/scope.js"),
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9 | require.resolve("../lib/output.js"),
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10 | require.resolve("../lib/compress.js"),
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11 | require.resolve("../lib/sourcemap.js"),
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12 | require.resolve("../lib/mozilla-ast.js"),
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13 | require.resolve("../lib/propmangle.js"),
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14 | require.resolve("../lib/minify.js"),
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15 | require.resolve("./exports.js"),
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16 | ];
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17 |
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18 | new Function("exports", function() {
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19 | var code = exports.FILES.map(function(file) {
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20 | return fs.readFileSync(file, "utf8");
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21 | });
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22 | code.push("exports.describe_ast = " + describe_ast.toString());
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23 | return code.join("\n\n");
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24 | }())(exports);
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25 |
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26 | function describe_ast() {
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27 | var out = OutputStream({ beautify: true });
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28 | function doitem(ctor) {
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29 | out.print("AST_" + ctor.TYPE);
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30 | var props = ctor.SELF_PROPS.filter(function(prop) {
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31 | return !/^\$/.test(prop);
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32 | });
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33 | if (props.length > 0) {
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34 | out.space();
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35 | out.with_parens(function() {
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36 | props.forEach(function(prop, i) {
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37 | if (i) out.space();
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38 | out.print(prop);
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39 | });
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40 | });
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41 | }
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42 | if (ctor.documentation) {
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43 | out.space();
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44 | out.print_string(ctor.documentation);
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45 | }
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46 | if (ctor.SUBCLASSES.length > 0) {
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47 | out.space();
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48 | out.with_block(function() {
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49 | ctor.SUBCLASSES.sort(function(a, b) {
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50 | return a.TYPE < b.TYPE ? -1 : 1;
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51 | }).forEach(function(ctor, i) {
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52 | out.indent();
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53 | doitem(ctor);
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54 | out.newline();
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55 | });
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56 | });
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57 | }
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58 | };
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59 | doitem(AST_Node);
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60 | return out + "\n";
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61 | }
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62 |
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63 | function infer_options(options) {
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64 | var result = exports.minify("", options);
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65 | return result.error && result.error.defs;
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66 | }
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67 |
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68 | exports.default_options = function() {
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69 | var defs = infer_options({ 0: 0 });
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70 | Object.keys(defs).forEach(function(component) {
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71 | var options = {};
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72 | options[component] = { 0: 0 };
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73 | if (options = infer_options(options)) {
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74 | defs[component] = options;
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75 | }
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76 | });
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77 | return defs;
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78 | };
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