| /* |
| * Copyright (C) 2014 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #import "CLIInstance.h" |
| |
| #import <JavaScriptCore/JavaScriptCore.h> |
| |
| #import "JSModule.h" |
| #import "JSRunLoopThread.h" |
| #import "CLIInstance.h" |
| #import "ReadEvalPrintLoop.h" |
| |
| @implementation CLIInstance { |
| JSModule *_moduleLoader; |
| NSString *_baseFile; |
| JSContext *_context; |
| |
| JSRunLoopThread *_jsThread; |
| } |
| |
| - (id)init |
| { |
| self = [super init]; |
| if (!self) |
| return nil; |
| |
| _baseFile = nil; |
| _moduleLoader = [[JSModule alloc] init]; |
| _context = [[JSContext alloc] init]; |
| |
| _context[@"require"] = ^(NSString *arg) { |
| JSModule *module = [JSModule require:arg atPath:[[NSFileManager defaultManager] currentDirectoryPath]]; |
| if (!module) { |
| [[JSContext currentContext] evaluateScript:@"throw 'not found'"]; |
| return [JSValue valueWithUndefinedInContext:[JSContext currentContext]]; |
| } |
| return module.exports; |
| }; |
| |
| _context[@"ARGV"] = [JSValue valueWithNewArrayInContext:_context]; |
| _jsThread = [[JSRunLoopThread alloc] initWithContext:_context]; |
| |
| return self; |
| } |
| |
| - (void)loadFile:(NSString *)path |
| { |
| [_jsThread loadFile:path]; |
| } |
| |
| - (void)didReceiveArguments:(const char **)args atOffset:(int)offset withLength:(int)length |
| { |
| JSValue *argv = _context[@"ARGV"]; |
| [argv setValue:(_baseFile ? _baseFile : @"") atIndex:0]; |
| for (int i = offset; i < length; ++i) |
| [argv setValue:@(args[i]) atIndex:(offset - i + 1)]; |
| } |
| |
| - (void)run |
| { |
| [_jsThread start]; |
| |
| if (!_baseFile) { |
| ReadEvalPrintLoop *repl = [[ReadEvalPrintLoop alloc] initWithJSThread:_jsThread]; |
| [repl run]; |
| } |
| |
| [_jsThread join]; |
| } |
| |
| @end |