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/* -*- mode: objc; coding: utf-8 -*- */
/* Toilet Lisp, a Common Lisp subset for the Étoilé runtime.
* Copyright (C) 2008 Matthias Andreas Benkard.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#import "MLKCompiledProcedure.h"
#import "globals.h"
#import "util.h"
#import <Foundation/NSArray.h>
#ifdef HAVE_FFI_H
#include <ffi.h>
#elif HAVE_FFI_FFI_H
#include <ffi/ffi.h>
#endif
#include <stdlib.h>
@implementation MLKCompiledProcedure
-(id) initWithCode:(void *)code
{
self = [super init];
_code = code;
return self;
}
-(NSArray *) applyToArray:(NSArray *)arguments
{
int argc = ([arguments count] + 1);
ffi_cif cif;
ffi_type *arg_types[argc];
ffi_status status;
id *argv[argc];
id argpointers[argc - 1];
id return_value;
int i;
for (i = 0; i < argc - 1; i++)
{
arg_types[i] = &ffi_type_pointer;
argpointers[i] = denullify([arguments objectAtIndex:i]);
argv[i] = &argpointers[i];
}
arg_types[argc - 1] = &ffi_type_pointer;
argv[argc - 1] = &MLKEndOfArgumentsMarker;
status = ffi_prep_cif (&cif, FFI_DEFAULT_ABI, argc, &ffi_type_pointer, arg_types);
if (status != FFI_OK)
{
[NSException raise:@"MLKInvalidFFITypeException"
format:@"FFI type is invalid (this is probably a bug)."];
}
ffi_call (&cif, FFI_FN (_code), &return_value, (void**)argv);
// FIXME
return [NSArray arrayWithObject:nullify(return_value)];
}
-(NSString *) description
{
return MLKPrintToString(self);
}
-(NSString *) descriptionForLisp
{
return [NSString stringWithFormat:@"<Compiled procedure @%p>", self];
}
-(void) dealloc
{
// FIXME: Can we really just use free() here?
free (_code);
[super dealloc];
}
@end
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