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Diffstat (limited to 'src/vm_expand.h')
-rw-r--r-- | src/vm_expand.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/src/vm_expand.h b/src/vm_expand.h new file mode 100644 index 000000000..cccb56b9f --- /dev/null +++ b/src/vm_expand.h @@ -0,0 +1,103 @@ +/* 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 VM_LABEL +#define VM_LABEL(tag) l_##tag +#define VM_OPCODE(tag) scm_op_##tag + +#ifdef HAVE_LABELS_AS_VALUES +#define VM_TAG(tag) VM_LABEL(tag): +#define VM_ADDR(tag) &&VM_LABEL(tag) +#else /* not HAVE_LABELS_AS_VALUES */ +#define VM_TAG(tag) case VM_OPCODE(tag): +#define VM_ADDR(tag) NULL +#endif /* not HAVE_LABELS_AS_VALUES */ +#endif /* VM_LABEL */ + +#undef VM_DEFINE_INSTRUCTION +#undef VM_DEFINE_FUNCTION +#undef VM_DEFINE_LOADER +#ifdef VM_INSTRUCTION_TO_TABLE +/* + * These will go to scm_instruction_table in vm.c + */ +#define VM_DEFINE_INSTRUCTION(tag,name,len,npop,npush) \ + {VM_OPCODE (tag), name, len, npop, npush}, +#define VM_DEFINE_FUNCTION(tag,name,nargs) \ + {VM_OPCODE (tag), name, 0, nargs, 1}, +#define VM_DEFINE_LOADER(tag,name) \ + {VM_OPCODE (tag), name, -1, 0, 1}, + +#else +#ifdef VM_INSTRUCTION_TO_LABEL +/* + * These will go to jump_table in vm_engine.c + */ +#define VM_DEFINE_INSTRUCTION(tag,name,len,npop,npush) VM_ADDR (tag), +#define VM_DEFINE_FUNCTION(tag,name,nargs) VM_ADDR (tag), +#define VM_DEFINE_LOADER(tag,name) VM_ADDR (tag), + +#else +#ifdef VM_INSTRUCTION_TO_OPCODE +/* + * These will go to scm_opcode in vm.h + */ +#define VM_DEFINE_INSTRUCTION(tag,name,len,npop,npush) VM_OPCODE (tag), +#define VM_DEFINE_FUNCTION(tag,name,nargs) VM_OPCODE (tag), +#define VM_DEFINE_LOADER(tag,name) VM_OPCODE (tag), + +#else /* Otherwise */ +/* + * These are directly included in vm_engine.c + */ +#define VM_DEFINE_INSTRUCTION(tag,name,len,npop,npush) VM_TAG (tag) +#define VM_DEFINE_FUNCTION(tag,name,nargs) VM_TAG (tag) +#define VM_DEFINE_LOADER(tag,name) VM_TAG (tag) + +#endif /* VM_INSTRUCTION_TO_OPCODE */ +#endif /* VM_INSTRUCTION_TO_LABEL */ +#endif /* VM_INSTRUCTION_TO_TABLE */ + +/* + Local Variables: + c-file-style: "gnu" + End: +*/ |