46 lines
1.4 KiB
JavaScript
Executable File
46 lines
1.4 KiB
JavaScript
Executable File
#!/usr/bin/env node
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var fs = require("fs");
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var acornSrc = fs.readFileSync(require.resolve("../acorn"), "utf8");
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var acorn = require("../acorn"), walk = require("../util/walk");
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var ast = acorn.parse(acornSrc);
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var touchups = [], uses = [];
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walk.simple(ast, {
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FunctionDeclaration: function(node) {
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if (node.id.name == "makePredicate")
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touchups.push({text: "// Removed to create an eval-free library", from: node.start, to: node.end});
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},
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VariableDeclaration: function(node) {
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node.declarations.forEach(function(decl) {
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if (decl.init && decl.init.type == "CallExpression" &&
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decl.init.callee.name == "makePredicate")
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uses.push(decl);
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});
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}
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});
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var results = Object.create(null);
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var functions = new Function("predicates", acornSrc.replace(
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/\}\);\s*$/, uses.map(function(decl) {
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return "predicates[" + JSON.stringify(decl.id.name) + "] = " + decl.id.name + ";";
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}).join("") + "});"))(results);
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uses.forEach(function(decl) {
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touchups.push({text: results[decl.id.name].toString(),
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from: decl.init.start, to: decl.init.end});
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});
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var result = "", pos = 0;
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touchups.sort(function(a, b) { return a.from - b.from; });
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touchups.forEach(function(touchup) {
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result += acornSrc.slice(pos, touchup.from);
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result += touchup.text;
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pos = touchup.to;
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});
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result += acornSrc.slice(pos);
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process.stdout.write(result);
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