init commit

node_modules/jshint/src/name-stack.js

@@ -0,0 +1,74 @@
+"use strict";
+
+function NameStack() {
+  this._stack = [];
+}
+
+Object.defineProperty(NameStack.prototype, "length", {
+  get: function() {
+    return this._stack.length;
+  }
+});
+
+/**
+ * Create a new entry in the stack. Useful for tracking names across
+ * expressions.
+ */
+NameStack.prototype.push = function() {
+  this._stack.push(null);
+};
+
+/**
+ * Discard the most recently-created name on the stack.
+ */
+NameStack.prototype.pop = function() {
+  this._stack.pop();
+};
+
+/**
+ * Update the most recent name on the top of the stack.
+ *
+ * @param {object} token The token to consider as the source for the most
+ *                       recent name.
+ */
+NameStack.prototype.set = function(token) {
+  this._stack[this.length - 1] = token;
+};
+
+/**
+ * Generate a string representation of the most recent name.
+ *
+ * @returns {string}
+ */
+NameStack.prototype.infer = function() {
+  var nameToken = this._stack[this.length - 1];
+  var prefix = "";
+  var type;
+
+  // During expected operation, the topmost entry on the stack will only
+  // reflect the current function's name when the function is declared without
+  // the `function` keyword (i.e. for in-line accessor methods). In other
+  // cases, the `function` expression itself will introduce an empty entry on
+  // the top of the stack, and this should be ignored.
+  if (!nameToken || nameToken.type === "class") {
+    nameToken = this._stack[this.length - 2];
+  }
+
+  if (!nameToken) {
+    return "(empty)";
+  }
+
+  type = nameToken.type;
+
+  if (type !== "(string)" && type !== "(number)" && type !== "(identifier)" && type !== "default") {
+    return "(expression)";
+  }
+
+  if (nameToken.accessorType) {
+    prefix = nameToken.accessorType + " ";
+  }
+
+  return prefix + nameToken.value;
+};
+
+module.exports = NameStack;