65 lines
1.9 KiB
JavaScript
Executable File
65 lines
1.9 KiB
JavaScript
Executable File
#! /usr/bin/env node
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(function(){
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var fs = require("fs");
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var vm = require("vm");
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var sys = require("util");
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function load_global(file) {
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try {
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var code = fs.readFileSync(file, "utf8");
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return vm.runInThisContext(code, file);
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} catch(ex) {
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sys.debug("ERROR in file: " + file + " / " + ex);
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process.exit(1);
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}
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};
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load_global("../lib/utils.js");
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load_global("../lib/ast.js");
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load_global("../lib/parse.js");
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load_global("../lib/scope.js");
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load_global("../lib/output.js");
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///
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var filename = process.argv[2];
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console.time("parse");
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var ast = parse(fs.readFileSync(filename, "utf8"));
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console.timeEnd("parse");
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var stream = OutputStream({ beautify: true });
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console.time("figure_out_scope");
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ast.figure_out_scope();
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console.timeEnd("figure_out_scope");
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console.time("generate");
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ast.print(stream);
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console.timeEnd("generate");
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//sys.puts(stream.get());
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var w = new TreeWalker(function(node, descend){
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if (node.start) {
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console.log(node.TYPE + " [" + node.start.line + ":" + node.start.col + "]");
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} else {
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console.log(node.TYPE + " [NO START]");
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}
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if (node instanceof AST_Scope) {
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if (node.uses_eval) console.log("!!! uses eval");
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if (node.uses_with) console.log("!!! uses with");
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}
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if (node instanceof AST_SymbolDeclaration) {
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console.log("--- declaration " + node.name + (node.global ? " [global]" : ""));
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}
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else if (node instanceof AST_SymbolRef) {
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console.log("--- reference " + node.name + " to " + (node.symbol ? node.symbol.name : "global"));
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if (node.symbol) {
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console.log(" declaration at: " + node.symbol.start.line + ":" + node.symbol.start.col);
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}
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}
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});
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ast._walk(w);
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})();
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