62 lines
2.0 KiB
JavaScript
62 lines
2.0 KiB
JavaScript
"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
|