Built motion from commit 6a09e18b.|2.6.11

[motion2.git] / legacy-libs / protobufjs / ext / debug / index.js

diff --git a/legacy-libs/protobufjs/ext/debug/index.js b/legacy-libs/protobufjs/ext/debug/index.js
new file mode 100644 (file)
index 0000000..2b79766
--- /dev/null
+++ b/legacy-libs/protobufjs/ext/debug/index.js
@@ -0,0 +1,71 @@
+"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;
+};