vm/os-macosx.mm

   1 #import <Cocoa/Cocoa.h>
   2
   3 #include <mach/mach_time.h>
   4 #include <sys/utsname.h>
   5 #include <unistd.h>
   6 #include <stdio.h>
   7
   8 #include "master.hpp"
   9
  10 namespace factor {
  11
  12 void factor_vm::c_to_factor_toplevel(cell quot) { c_to_factor(quot); }
  13
  14 // Darwin 9 is 10.5, Darwin 10 is 10.6
  15 // http://en.wikipedia.org/wiki/Darwin_(operating_system)#Release_history
  16 void early_init(void) {
  17   struct utsname u;
  18   int n;
  19   uname(&u);
  20   sscanf(u.release, "%d", &n);
  21   if (n < 9) {
  22     std::cout << "Factor requires Mac OS X 10.5 or later.\n";
  23     exit(1);
  24   }
  25 }
  26
  27 // You must free() this yourself.
  28 const char* vm_executable_path(void) {
  29   return safe_strdup([[[NSBundle mainBundle] executablePath] UTF8String]);
  30 }
  31
  32 const char* default_image_path(void) {
  33   NSBundle* bundle = [NSBundle mainBundle];
  34   NSString* path = [bundle bundlePath];
  35   NSString* executablePath = [[bundle executablePath] stringByResolvingSymlinksInPath];
  36   NSString* executable = [executablePath lastPathComponent];
  37   NSString* image = [executable stringByAppendingString:@".image"];
  38
  39   NSString* returnVal;
  40
  41   if ([path hasSuffix:@".app"] || [path hasSuffix:@".app/"]) {
  42     NSFileManager* mgr = [NSFileManager defaultManager];
  43     NSString* root = [path stringByDeletingLastPathComponent];
  44     NSString* resources = [path stringByAppendingPathComponent:@"Contents/Resources"];
  45
  46     NSString* imageInBundle = [resources stringByAppendingPathComponent:image];
  47     NSString* imageAlongBundle = [root stringByAppendingPathComponent:image];
  48
  49     returnVal = ([mgr fileExistsAtPath:imageInBundle] ? imageInBundle
  50                                                       : imageAlongBundle);
  51   } else if ([executablePath hasSuffix:@".app/Contents/MacOS/factor"]) {
  52     returnVal = executablePath;
  53     returnVal = [returnVal stringByDeletingLastPathComponent];
  54     returnVal = [returnVal stringByDeletingLastPathComponent];
  55     returnVal = [returnVal stringByDeletingLastPathComponent];
  56     returnVal = [returnVal stringByDeletingLastPathComponent];
  57     returnVal = [returnVal stringByAppendingPathComponent:image];
  58
  59   } else {
  60     returnVal = [path stringByAppendingPathComponent:image];
  61   }
  62
  63   return [returnVal UTF8String];
  64 }
  65
  66 void factor_vm::init_signals(void) {
  67   unix_init_signals();
  68   mach_initialize();
  69 }
  70
  71 // Amateurs at Apple: implement this function, properly!
  72 Protocol* objc_getProtocol(char* name) {
  73   if (strcmp(name, "NSTextInput") == 0)
  74     return @protocol(NSTextInput);
  75   else
  76     return nil;
  77 }
  78
  79 uint64_t nano_count() {
  80   uint64_t time = mach_absolute_time();
  81
  82   static uint64_t scaling_factor = 0;
  83   if (!scaling_factor) {
  84     mach_timebase_info_data_t info;
  85     kern_return_t ret = mach_timebase_info(&info);
  86     if (ret != 0)
  87       fatal_error("mach_timebase_info failed", ret);
  88     scaling_factor = info.numer / info.denom;
  89   }
  90
  91   return time * scaling_factor;
  92 }
  93
  94 }