tra-analysis/website/functions/node_modules/protobufjs/ext/debug/index.js

72 lines
2.0 KiB
JavaScript
Raw Normal View History

2019-01-06 19:14:45 +00:00
"use strict";
var protobuf = require("../..");
/**
* Debugging utility functions. Only present in debug builds.
* @namespace
*/
var debug = protobuf.debug = module.exports = {};
var codegen = protobuf.util.codegen;
var debugFnRe = /function ([^(]+)\(([^)]*)\) {/g;
// Counts number of calls to any generated function
function codegen_debug() {
codegen_debug.supported = codegen.supported;
codegen_debug.verbose = codegen.verbose;
var gen = codegen.apply(null, Array.prototype.slice.call(arguments));
gen.str = (function(str) { return function str_debug() {
return str.apply(null, Array.prototype.slice.call(arguments)).replace(debugFnRe, "function $1($2) {\n\t$1.calls=($1.calls|0)+1");
};})(gen.str);
return gen;
}
/**
* Returns a list of unused types within the specified root.
* @param {NamespaceBase} ns Namespace to search
* @returns {Type[]} Unused types
*/
debug.unusedTypes = function unusedTypes(ns) {
/* istanbul ignore if */
if (!(ns instanceof protobuf.Namespace))
throw TypeError("ns must be a Namespace");
/* istanbul ignore if */
if (!ns.nested)
return [];
var unused = [];
for (var names = Object.keys(ns.nested), i = 0; i < names.length; ++i) {
var nested = ns.nested[names[i]];
if (nested instanceof protobuf.Type) {
var calls = (nested.encode.calls|0)
+ (nested.decode.calls|0)
+ (nested.verify.calls|0)
+ (nested.toObject.calls|0)
+ (nested.fromObject.calls|0);
if (!calls)
unused.push(nested);
} else if (nested instanceof protobuf.Namespace)
Array.prototype.push.apply(unused, unusedTypes(nested));
}
return unused;
};
/**
* Enables debugging extensions.
* @returns {undefined}
*/
debug.enable = function enable() {
protobuf.util.codegen = codegen_debug;
};
/**
* Disables debugging extensions.
* @returns {undefined}
*/
debug.disable = function disable() {
protobuf.util.codegen = codegen;
};