72 lines
2.0 KiB
JavaScript
72 lines
2.0 KiB
JavaScript
"use strict";
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var protobuf = require("../..");
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/**
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* Debugging utility functions. Only present in debug builds.
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* @namespace
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*/
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var debug = protobuf.debug = module.exports = {};
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var codegen = protobuf.util.codegen;
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var debugFnRe = /function ([^(]+)\(([^)]*)\) {/g;
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// Counts number of calls to any generated function
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function codegen_debug() {
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codegen_debug.supported = codegen.supported;
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codegen_debug.verbose = codegen.verbose;
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var gen = codegen.apply(null, Array.prototype.slice.call(arguments));
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gen.str = (function(str) { return function str_debug() {
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return str.apply(null, Array.prototype.slice.call(arguments)).replace(debugFnRe, "function $1($2) {\n\t$1.calls=($1.calls|0)+1");
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};})(gen.str);
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return gen;
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}
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/**
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* Returns a list of unused types within the specified root.
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* @param {NamespaceBase} ns Namespace to search
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* @returns {Type[]} Unused types
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*/
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debug.unusedTypes = function unusedTypes(ns) {
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/* istanbul ignore if */
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if (!(ns instanceof protobuf.Namespace))
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throw TypeError("ns must be a Namespace");
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/* istanbul ignore if */
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if (!ns.nested)
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return [];
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var unused = [];
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for (var names = Object.keys(ns.nested), i = 0; i < names.length; ++i) {
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var nested = ns.nested[names[i]];
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if (nested instanceof protobuf.Type) {
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var calls = (nested.encode.calls|0)
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+ (nested.decode.calls|0)
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+ (nested.verify.calls|0)
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+ (nested.toObject.calls|0)
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+ (nested.fromObject.calls|0);
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if (!calls)
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unused.push(nested);
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} else if (nested instanceof protobuf.Namespace)
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Array.prototype.push.apply(unused, unusedTypes(nested));
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}
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return unused;
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};
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/**
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* Enables debugging extensions.
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* @returns {undefined}
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*/
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debug.enable = function enable() {
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protobuf.util.codegen = codegen_debug;
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};
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/**
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* Disables debugging extensions.
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* @returns {undefined}
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*/
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debug.disable = function disable() {
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protobuf.util.codegen = codegen;
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};
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