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"use strict";
/**
* @license
* Copyright 2013 Palantir Technologies, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var ts = require("typescript");
var utils_1 = require("../utils");
// tslint:disable deprecation
var scopeAwareRuleWalker_1 = require("./scopeAwareRuleWalker");
/**
* @deprecated See comment on ScopeAwareRuleWalker.
*
* An AST walker that is aware of block scopes in addition to regular scopes. Block scopes
* are a superset of regular scopes (new block scopes are created more frequently in a program).
*/
var BlockScopeAwareRuleWalker = (function (_super) {
tslib_1.__extends(BlockScopeAwareRuleWalker, _super);
function BlockScopeAwareRuleWalker(sourceFile, options) {
var _this = _super.call(this, sourceFile, options) || this;
// initialize with global scope if file is not a module
_this.blockScopeStack = ts.isExternalModule(sourceFile) ? [] : [_this.createBlockScope(sourceFile)];
return _this;
}
// get all block scopes available at this depth
BlockScopeAwareRuleWalker.prototype.getAllBlockScopes = function () {
return this.blockScopeStack;
};
BlockScopeAwareRuleWalker.prototype.getCurrentBlockScope = function () {
return this.blockScopeStack[this.blockScopeStack.length - 1];
};
BlockScopeAwareRuleWalker.prototype.getCurrentBlockDepth = function () {
return this.blockScopeStack.length;
};
// callback notifier when a block scope begins
BlockScopeAwareRuleWalker.prototype.onBlockScopeStart = function () {
return;
};
// callback notifier when a block scope ends
BlockScopeAwareRuleWalker.prototype.onBlockScopeEnd = function () {
return;
};
BlockScopeAwareRuleWalker.prototype.findBlockScope = function (predicate) {
// look through block scopes from local -> global
for (var i = this.blockScopeStack.length - 1; i >= 0; i--) {
if (predicate(this.blockScopeStack[i])) {
return this.blockScopeStack[i];
}
}
return undefined;
};
BlockScopeAwareRuleWalker.prototype.visitNode = function (node) {
var isNewBlockScope = this.isBlockScopeBoundary(node);
if (isNewBlockScope) {
this.blockScopeStack.push(this.createBlockScope(node));
this.onBlockScopeStart();
}
_super.prototype.visitNode.call(this, node);
if (isNewBlockScope) {
this.onBlockScopeEnd();
this.blockScopeStack.pop();
}
};
BlockScopeAwareRuleWalker.prototype.isBlockScopeBoundary = function (node) {
return utils_1.isBlockScopeBoundary(node);
};
return BlockScopeAwareRuleWalker;
}(scopeAwareRuleWalker_1.ScopeAwareRuleWalker));
exports.BlockScopeAwareRuleWalker = BlockScopeAwareRuleWalker;
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