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