first commit

build/node_modules/prepack/lib/evaluators/BlockStatement.js

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+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+exports.default = function (ast, strictCode, env, realm) {
+  // 1. Let oldEnv be the running execution context's LexicalEnvironment.
+  var oldEnv = realm.getRunningContext().lexicalEnvironment;
+
+  // 2. Let blockEnv be NewDeclarativeEnvironment(oldEnv).
+  var blockEnv = _singletons.Environment.NewDeclarativeEnvironment(realm, oldEnv);
+
+  // 3. Perform BlockDeclarationInstantiation(StatementList, blockEnv).
+  _singletons.Environment.BlockDeclarationInstantiation(realm, strictCode, ast.body, blockEnv);
+
+  // 4. Set the running execution context's LexicalEnvironment to blockEnv.
+  realm.getRunningContext().lexicalEnvironment = blockEnv;
+
+  try {
+    // 5. Let blockValue be the result of evaluating StatementList.
+    var blockValue = void 0;
+
+    if (ast.directives) {
+      var _iteratorNormalCompletion = true;
+      var _didIteratorError = false;
+      var _iteratorError = undefined;
+
+      try {
+        for (var _iterator = ast.directives[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
+          var directive = _step.value;
+
+          blockValue = new _index.StringValue(realm, directive.value.value);
+        }
+      } catch (err) {
+        _didIteratorError = true;
+        _iteratorError = err;
+      } finally {
+        try {
+          if (!_iteratorNormalCompletion && _iterator.return) {
+            _iterator.return();
+          }
+        } finally {
+          if (_didIteratorError) {
+            throw _iteratorError;
+          }
+        }
+      }
+    }
+
+    return _singletons.Functions.EvaluateStatements(ast.body, blockValue, strictCode, blockEnv, realm);
+  } finally {
+    // 6. Set the running execution context's LexicalEnvironment to oldEnv.
+    realm.getRunningContext().lexicalEnvironment = oldEnv;
+    realm.onDestroyScope(blockEnv);
+  }
+};
+
+var _index = require("../values/index.js");
+
+var _singletons = require("../singletons.js");
+//# sourceMappingURL=BlockStatement.js.map