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/* Copyright (C) 2001 Free Software Foundation, Inc.
*
* 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 2, 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 software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA
*
* As a special exception, the Free Software Foundation gives permission
* for additional uses of the text contained in its release of GUILE.
*
* The exception is that, if you link the GUILE library with other files
* to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the GUILE library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the
* Free Software Foundation under the name GUILE. If you copy
* code from other Free Software Foundation releases into a copy of
* GUILE, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for GUILE, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice. */
#ifndef _SCM_INSTRUCTIONS_H_
#define _SCM_INSTRUCTIONS_H_
#include <libguile.h>
enum scm_opcode {
#define VM_INSTRUCTION_TO_OPCODE 1
#include "vm_expand.h"
#include "vm_system.i"
#include "vm_scheme.i"
#include "vm_loader.i"
#undef VM_INSTRUCTION_TO_OPCODE
scm_op_last
};
struct scm_instruction {
enum scm_opcode opcode; /* opcode */
const char *name; /* instruction name */
signed char len; /* Instruction length. This may be -1 for
the loader (see the `VM_LOADER'
macro). */
signed char npop; /* The number of values popped. This may be
-1 for insns like `call' which can take
any number of arguments. */
char npush; /* the number of values pushed */
};
#define SCM_INSTRUCTION_P(x) (scm_lookup_instruction (x))
#define SCM_INSTRUCTION_OPCODE(i) (scm_lookup_instruction (i)->opcode)
#define SCM_INSTRUCTION_NAME(i) (scm_lookup_instruction (i)->name)
#define SCM_INSTRUCTION_LENGTH(i) (scm_lookup_instruction (i)->len)
#define SCM_INSTRUCTION_POPS(i) (scm_lookup_instruction (i)->npop)
#define SCM_INSTRUCTION_PUSHES(i) (scm_lookup_instruction (i)->npush)
#define SCM_VALIDATE_INSTRUCTION(p,x) SCM_MAKE_VALIDATE (p, x, INSTRUCTION_P)
#define SCM_INSTRUCTION(i) (&scm_instruction_table[i])
extern struct scm_instruction scm_instruction_table[];
extern struct scm_instruction *scm_lookup_instruction (SCM name);
extern void scm_bootstrap_instructions (void);
extern void scm_init_instructions (void);
#endif /* _SCM_INSTRUCTIONS_H_ */
/*
Local Variables:
c-file-style: "gnu"
End:
*/
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