Application.mm

   1 #include <iostream>
   2 #include <string>
   3
   4 #include <CoreFoundation/CoreFoundation.h>
   5 #include <CoreFoundation/CFLogUtilities.h>
   6
   7 #include <Foundation/Foundation.h>
   8
   9 #include <JavaScriptCore/JSBase.h>
  10 #include <JavaScriptCore/JSValueRef.h>
  11 #include <JavaScriptCore/JSObjectRef.h>
  12 #include <JavaScriptCore/JSContextRef.h>
  13 #include <JavaScriptCore/JSStringRef.h>
  14 #include <JavaScriptCore/JSStringRefCF.h>
  15
  16 #define _trace() do { \
  17     CFLog(kCFLogLevelNotice, CFSTR("_trace(%u)"), __LINE__); \
  18 } while (false)
  19
  20 JSContextRef JSGetContext(void);
  21 CFStringRef JSValueToJSONCopy(JSContextRef ctx, JSValueRef value);
  22
  23 int main() {
  24     for (;;) {
  25         NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
  26
  27         std::cout << ">>> " << std::flush;
  28
  29         std::string line;
  30         if (!std::getline(std::cin, line))
  31             break;
  32
  33         JSStringRef script(JSStringCreateWithUTF8CString(line.c_str()));
  34
  35         JSValueRef exception;
  36         JSValueRef result(JSEvaluateScript(JSGetContext(), script, NULL, NULL, 0, &exception));
  37         if (result == NULL)
  38             result = exception;
  39         JSStringRelease(script);
  40
  41         if (!JSValueIsUndefined(JSGetContext(), result)) {
  42             CFStringRef json(JSValueToJSONCopy(JSGetContext(), result));
  43             std::cout << [reinterpret_cast<const NSString *>(json) UTF8String] << std::endl;
  44             CFRelease(json);
  45         }
  46
  47         [pool release];
  48     }
  49
  50     return 0;
  51 }