[#94] Backend

https://project.mdnd-it.cc/work_packages/94

SerpentRace_Backend/node_modules/@babel/traverse/lib/scope/binding.js

@@ -0,0 +1,84 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+class Binding {
+  constructor({
+    identifier,
+    scope,
+    path,
+    kind
+  }) {
+    this.identifier = void 0;
+    this.scope = void 0;
+    this.path = void 0;
+    this.kind = void 0;
+    this.constantViolations = [];
+    this.constant = true;
+    this.referencePaths = [];
+    this.referenced = false;
+    this.references = 0;
+    this.identifier = identifier;
+    this.scope = scope;
+    this.path = path;
+    this.kind = kind;
+    if ((kind === "var" || kind === "hoisted") && isInitInLoop(path)) {
+      this.reassign(path);
+    }
+    this.clearValue();
+  }
+  deoptValue() {
+    this.clearValue();
+    this.hasDeoptedValue = true;
+  }
+  setValue(value) {
+    if (this.hasDeoptedValue) return;
+    this.hasValue = true;
+    this.value = value;
+  }
+  clearValue() {
+    this.hasDeoptedValue = false;
+    this.hasValue = false;
+    this.value = null;
+  }
+  reassign(path) {
+    this.constant = false;
+    if (this.constantViolations.includes(path)) {
+      return;
+    }
+    this.constantViolations.push(path);
+  }
+  reference(path) {
+    if (this.referencePaths.includes(path)) {
+      return;
+    }
+    this.referenced = true;
+    this.references++;
+    this.referencePaths.push(path);
+  }
+  dereference() {
+    this.references--;
+    this.referenced = !!this.references;
+  }
+}
+exports.default = Binding;
+function isInitInLoop(path) {
+  const isFunctionDeclarationOrHasInit = !path.isVariableDeclarator() || path.node.init;
+  for (let {
+    parentPath,
+    key
+  } = path; parentPath; {
+    parentPath,
+    key
+  } = parentPath) {
+    if (parentPath.isFunctionParent()) return false;
+    if (key === "left" && parentPath.isForXStatement() || isFunctionDeclarationOrHasInit && key === "body" && parentPath.isLoop()) {
+      return true;
+    }
+  }
+  return false;
+}
+
+//# sourceMappingURL=binding.js.map

SerpentRace_Backend/node_modules/@babel/traverse/lib/scope/lib/renamer.js

@@ -0,0 +1,131 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+var t = require("@babel/types");
+var _t = t;
+var _traverseNode = require("../../traverse-node.js");
+var _visitors = require("../../visitors.js");
+var _context = require("../../path/context.js");
+const {
+  getAssignmentIdentifiers
+} = _t;
+const renameVisitor = {
+  ReferencedIdentifier({
+    node
+  }, state) {
+    if (node.name === state.oldName) {
+      node.name = state.newName;
+    }
+  },
+  Scope(path, state) {
+    if (!path.scope.bindingIdentifierEquals(state.oldName, state.binding.identifier)) {
+      path.skip();
+      if (path.isMethod()) {
+        if (!path.requeueComputedKeyAndDecorators) {
+          _context.requeueComputedKeyAndDecorators.call(path);
+        } else {
+          path.requeueComputedKeyAndDecorators();
+        }
+      }
+    }
+  },
+  ObjectProperty({
+    node,
+    scope
+  }, state) {
+    const {
+      name
+    } = node.key;
+    if (node.shorthand && (name === state.oldName || name === state.newName) && scope.getBindingIdentifier(name) === state.binding.identifier) {
+      node.shorthand = false;
+      {
+        var _node$extra;
+        if ((_node$extra = node.extra) != null && _node$extra.shorthand) node.extra.shorthand = false;
+      }
+    }
+  },
+  "AssignmentExpression|Declaration|VariableDeclarator"(path, state) {
+    if (path.isVariableDeclaration()) return;
+    const ids = path.isAssignmentExpression() ? getAssignmentIdentifiers(path.node) : path.getOuterBindingIdentifiers();
+    for (const name in ids) {
+      if (name === state.oldName) ids[name].name = state.newName;
+    }
+  }
+};
+class Renamer {
+  constructor(binding, oldName, newName) {
+    this.newName = newName;
+    this.oldName = oldName;
+    this.binding = binding;
+  }
+  maybeConvertFromExportDeclaration(parentDeclar) {
+    const maybeExportDeclar = parentDeclar.parentPath;
+    if (!maybeExportDeclar.isExportDeclaration()) {
+      return;
+    }
+    if (maybeExportDeclar.isExportDefaultDeclaration()) {
+      const {
+        declaration
+      } = maybeExportDeclar.node;
+      if (t.isDeclaration(declaration) && !declaration.id) {
+        return;
+      }
+    }
+    if (maybeExportDeclar.isExportAllDeclaration()) {
+      return;
+    }
+    maybeExportDeclar.splitExportDeclaration();
+  }
+  maybeConvertFromClassFunctionDeclaration(path) {
+    return path;
+  }
+  maybeConvertFromClassFunctionExpression(path) {
+    return path;
+  }
+  rename() {
+    const {
+      binding,
+      oldName,
+      newName
+    } = this;
+    const {
+      scope,
+      path
+    } = binding;
+    const parentDeclar = path.find(path => path.isDeclaration() || path.isFunctionExpression() || path.isClassExpression());
+    if (parentDeclar) {
+      const bindingIds = parentDeclar.getOuterBindingIdentifiers();
+      if (bindingIds[oldName] === binding.identifier) {
+        this.maybeConvertFromExportDeclaration(parentDeclar);
+      }
+    }
+    const blockToTraverse = arguments[0] || scope.block;
+    const skipKeys = {
+      discriminant: true
+    };
+    if (t.isMethod(blockToTraverse)) {
+      if (blockToTraverse.computed) {
+        skipKeys.key = true;
+      }
+      if (!t.isObjectMethod(blockToTraverse)) {
+        skipKeys.decorators = true;
+      }
+    }
+    (0, _traverseNode.traverseNode)(blockToTraverse, (0, _visitors.explode)(renameVisitor), scope, this, scope.path, skipKeys);
+    if (!arguments[0]) {
+      scope.removeOwnBinding(oldName);
+      scope.bindings[newName] = binding;
+      this.binding.identifier.name = newName;
+    }
+    if (parentDeclar) {
+      this.maybeConvertFromClassFunctionDeclaration(path);
+      this.maybeConvertFromClassFunctionExpression(path);
+    }
+  }
+}
+exports.default = Renamer;
+
+//# sourceMappingURL=renamer.js.map