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/* -*- mode: objc; coding: utf-8 -*- */
/* Toilet Lisp, a Common Lisp subset for the Étoilé runtime.
* Copyright (C) 2008, 2009 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/>.
*/
/* File: functions.h */
#import "MLKInteger.h"
#import "MLKSymbol.h"
#import <Foundation/NSString.h>
#include <stdint.h>
#ifdef HAVE_FFI_H
#include <ffi.h>
#elif HAVE_FFI_FFI_H
#include <ffi/ffi.h>
#else
#error "Couldn't include ffi.h."
#endif
#ifdef __cplusplus
extern "C" {
#endif
/* Section: Printing */
/* Function: MLKPrintToString
Build a string describing a Lisp object as if by a simple version of
PRINT.
Arguments:
object - the object to describe.
*/
NSString *MLKPrintToString (id object);
/* Section: Fixnum handling */
/* Function: MLKFixnumP
Test whether an object is a fixnum. */
BOOL MLKFixnumP (id thing);
/* Function: MLKInstanceP
Test whether an object is a real instance (that is, not a fixnum). */
BOOL MLKInstanceP (id thing);
/* Function: MLKIntWithFixnum
Convert a fixnum into an int. */
intptr_t MLKIntWithFixnum (id fixnum);
/* Function: MLKIntWithInteger
Convert any Toilet Lisp integer into an int. */
intptr_t MLKIntWithInteger (id integer);
/* Function: MLKFixnumWithInt
Convert an int into a fixnum. */
id MLKFixnumWithInt (intptr_t value);
/* Function: MLKIntegerWithInt
Convert an int into a fixnum or MLKInteger depending on its size. */
id MLKIntegerWithInt (intptr_t value);
/* Function: MLKCanoniseInteger
Test whether a Toilet Lisp integer is an MLKInteger that is too big,
and if so, convert it to a fixnum. */
id MLKCanoniseInteger (const MLKInteger *x);
/* Section: Fixnum arithmetic */
/* Function: MLKAddFixnums
Add two fixnums, yielding a Toilet Lisp integer. */
id MLKAddFixnums (id x, id y);
/* Function: MLKSubtractFixnums
Subtract a fixnum from another, yielding a Toilet Lisp integer. */
id MLKSubtractFixnums (id x, id y);
/* Function: MLKIDivideFixnums
Divide two fixnums with truncation, yielding a fixnum. */
id MLKIDivideFixnums (id x, id y);
/* Function: MLKMultiplyFixnums
Multiply two fixnums, yielding a Toilet Lisp integer. */
id MLKMultiplyFixnums (id x, id y);
/* Section: Form parsing */
/* Function: MLKSplitDeclarationsDocAndForms
Take a form apart into declarations, docstring, and body.
*decls will be set to a list of declarations.
*doc will be set to a docstring, if there is one. Otherwise, it will
be set to nil except if docp is false, in which case it will simply
be left alone.
*forms will be set to the remaining body forms.
If docp is false, a docstring is not recognised as part of the
docstring/declaration component of the form.
Note:
doc may be NULL if and only if docp is false.
Arguments:
decls - a pointer to a cell of type id.
doc - a pointer to a cell of type id.
forms - a pointer to a cell of type id.
body - the form to take apart.
docp - whether to process docstrings.
*/
void MLKSplitDeclarationsDocAndForms (id *decls, id *doc, id *forms, id body, BOOL docp);
/* Enum: MLKForeignType
MLKT_PTR - pointer.
MLKT_SHORT - short int.
MLKT_USHORT - short unsigned int.
MLKT_INT - int.
MLKT_UINT - unsigned int.
MLKT_LONG - long.
MLKT_ULONG - unsigned long.
MLKT_STRING - char *.
MLKT_VOID - void.
MLKT_BOOL - C++ bool.
MLKT_ID - id.
MLKT_CLASS - class.
MLKT_CHAR - char.
MLKT_UNICHAR - unichar.
MLKT_ERROR - an erroneous type.
MLKT_INVALID - an unknown or invalid type.
*/
typedef enum MLKForeignType
{
MLKT_PTR,
MLKT_SHORT,
MLKT_USHORT,
MLKT_INT,
MLKT_UINT,
MLKT_LONG,
MLKT_ULONG,
MLKT_STRING,
MLKT_VOID,
MLKT_BOOL,
MLKT_ID,
MLKT_CLASS,
MLKT_CHAR,
MLKT_UNICHAR,
MLKT_ERROR,
MLKT_INVALID,
} MLKForeignType;
/* Section: Foreign type handling */
/* Function: MLKForeignTypeWithObjectiveCType */
MLKForeignType MLKForeignTypeWithObjectiveCType (const char *typestring);
/* Function: MLKForeignTypeWithTypeDesignator */
MLKForeignType MLKForeignTypeWithTypeDesignator (id typeDesignator);
/* Function: MLKForeignTypeWithLispValue */
MLKForeignType MLKForeignTypeWithLispValue (id value);
/* Function: MLKFFITypeWithForeignType */
ffi_type *MLKFFITypeWithForeignType (MLKForeignType type);
/* Function: MLKFFITypeWithObjectiveCType */
ffi_type *MLKFFITypeWithObjectiveCType (const char *typestring);
/* Function: MLKFFITypeWithLispValue */
ffi_type *MLKFFITypeWithLispValue (id value);
/* Function: MLKSetForeignValueWithLispValue */
void MLKSetForeignValueWithLispValue (void *destination, id value, MLKForeignType type);
/* Function: MLKLispValueWithForeignValue */
id MLKLispValueWithForeignValue (void *source, MLKForeignType type);
/* Section: Interpreter-Compiler interoperation. */
/* Function: MLKInterpretedFunctionTrampoline */
id MLKInterpretedFunctionTrampoline (void *target, ...);
#ifdef __cplusplus
}
#endif
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