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Diffstat (limited to 'libguile/vm-expand.h')
-rw-r--r-- | libguile/vm-expand.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/libguile/vm-expand.h b/libguile/vm-expand.h new file mode 100644 index 000000000..787223d07 --- /dev/null +++ b/libguile/vm-expand.h @@ -0,0 +1,79 @@ +/* Copyright (C) 2001 Free Software Foundation, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public License + * as published by the Free Software Foundation; either version 3 of + * the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#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_FUNCTION +#undef VM_DEFINE_LOADER +#define VM_DEFINE_FUNCTION(code,tag,name,nargs) \ + VM_DEFINE_INSTRUCTION(code,tag,name,0,nargs,1) +#define VM_DEFINE_LOADER(code,tag,name) \ + VM_DEFINE_INSTRUCTION(code,tag,name,-1,0,1) + +#undef VM_DEFINE_INSTRUCTION +/* + * These will go to scm_instruction_table in instructions.c + */ +#ifdef VM_INSTRUCTION_TO_TABLE +#define VM_DEFINE_INSTRUCTION(code_,tag_,name_,len_,npop_,npush_) \ + table[VM_OPCODE (tag_)].opcode = code_; \ + table[VM_OPCODE (tag_)].name = name_; \ + table[VM_OPCODE (tag_)].len = len_; \ + table[VM_OPCODE (tag_)].npop = npop_; \ + table[VM_OPCODE (tag_)].npush = npush_; + +#else +#ifdef VM_INSTRUCTION_TO_LABEL +/* + * These will go to jump_table in vm_engine.c + */ +#define VM_DEFINE_INSTRUCTION(code,tag,name,len,npop,npush) jump_table[code] = VM_ADDR (tag); + +#else +#ifdef VM_INSTRUCTION_TO_OPCODE +/* + * These will go to scm_opcode in instructions.h + */ +#define VM_DEFINE_INSTRUCTION(code,tag,name,len,npop,npush) VM_OPCODE (tag) = code, + +#else /* Otherwise */ +/* + * These are directly included in vm_engine.c + */ +#define VM_DEFINE_INSTRUCTION(code,tag,name,len,npop,npush) 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: +*/ |