factor/vm/os-macosx.mm

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#import <Cocoa/Cocoa.h>
#include <mach/mach_time.h>
#include "master.hpp"
namespace factor
{
void factor_vm::c_to_factor_toplevel(cell quot)
{
c_to_factor(quot);
}
void early_init(void)
{
SInt32 version;
Gestalt(gestaltSystemVersion,&version);
if(version < 0x1050)
{
std::cout << "Factor requires Mac OS X 10.5 or later.\n";
exit(1);
}
[[NSAutoreleasePool alloc] init];
}
const char *vm_executable_path(void)
{
return [[[NSBundle mainBundle] executablePath] UTF8String];
}
const char *default_image_path(void)
{
NSBundle *bundle = [NSBundle mainBundle];
NSString *path = [bundle bundlePath];
NSString *executable = [[bundle executablePath] lastPathComponent];
NSString *image = [executable stringByAppendingString:@".image"];
NSString *returnVal;
if([path hasSuffix:@".app"] || [path hasSuffix:@".app/"])
{
NSFileManager *mgr = [NSFileManager defaultManager];
NSString *imageInBundle = [[path stringByAppendingPathComponent:@"Contents/Resources"] stringByAppendingPathComponent:image];
NSString *imageAlongBundle = [[path stringByDeletingLastPathComponent] stringByAppendingPathComponent:image];
returnVal = ([mgr fileExistsAtPath:imageInBundle]
? imageInBundle : imageAlongBundle);
}
else
returnVal = [path stringByAppendingPathComponent:image];
return [returnVal UTF8String];
}
void factor_vm::init_signals(void)
{
unix_init_signals();
mach_initialize();
}
/* Amateurs at Apple: implement this function, properly! */
Protocol *objc_getProtocol(char *name)
{
if(strcmp(name,"NSTextInput") == 0)
return @protocol(NSTextInput);
else
return nil;
}
u64 nano_count()
{
u64 time = mach_absolute_time();
static u64 scaling_factor = 0;
if(!scaling_factor)
{
mach_timebase_info_data_t info;
kern_return_t ret = mach_timebase_info(&info);
if(ret != 0)
fatal_error("mach_timebase_info failed",ret);
scaling_factor = info.numer/info.denom;
}
return time * scaling_factor;
}
}