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-rw-r--r--libguile/vm-expand.h79
1 files changed, 79 insertions, 0 deletions
diff --git a/libguile/vm-expand.h b/libguile/vm-expand.h
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+/* 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:
+*/