XEmacs 21.2.36 "Notos"
[chise/xemacs-chise.git.1] / src / symeval.h
index 8aff8d2..739999b 100644 (file)
@@ -1,5 +1,6 @@
 /* Definitions of symbol-value forwarding for XEmacs Lisp interpreter.
    Copyright (C) 1985, 1986, 1987, 1992, 1993 Free Software Foundation, Inc.
+   Copyright (C) 2000 Ben Wing.
 
 This file is part of XEmacs.
 
@@ -23,8 +24,8 @@ Boston, MA 02111-1307, USA.  */
 /* Fsymbol_value checks whether XSYMBOL (sym)->value is one of these,
  *  and does weird magic stuff if so */
 
-#ifndef _XEMACS_SYMEVAL_H_
-#define _XEMACS_SYMEVAL_H_
+#ifndef INCLUDED_symeval_h_
+#define INCLUDED_symeval_h_
 
 enum symbol_value_type
 {
@@ -72,15 +73,15 @@ enum symbol_value_type
 struct symbol_value_magic
 {
   struct lcrecord_header lcheader;
+  void *value;
   enum symbol_value_type type;
 };
-#define SYMBOL_VALUE_MAGIC_P(x)                                \
-  (LRECORDP (x)                                                \
-   && (XRECORD_LHEADER_IMPLEMENTATION (x)->printer     \
-       == print_symbol_value_magic))
+#define SYMBOL_VALUE_MAGIC_P(x)                                                \
+(LRECORDP (x) &&                                                       \
+ XRECORD_LHEADER (x)->type <= lrecord_type_max_symbol_value_magic)
 #define XSYMBOL_VALUE_MAGIC_TYPE(v) \
        (((struct symbol_value_magic *) XPNTR (v))->type)
-#define XSETSYMBOL_VALUE_MAGIC(s, p) XSETOBJ (s, Lisp_Type_Record, p)
+#define XSETSYMBOL_VALUE_MAGIC(s, p) XSETOBJ (s, p)
 void print_symbol_value_magic (Lisp_Object, Lisp_Object, int);
 
 /********** The various different symbol-value-magic types ***********/
@@ -138,7 +139,7 @@ struct symbol_value_forward
 DECLARE_LRECORD (symbol_value_forward, struct symbol_value_forward);
 #define XSYMBOL_VALUE_FORWARD(x) \
        XRECORD (x, symbol_value_forward, struct symbol_value_forward)
-#define symbol_value_forward_forward(m) ((void *)((m)->magic.lcheader.next))
+#define symbol_value_forward_forward(m) ((void *)((m)->magic.value))
 #define symbol_value_forward_magicfun(m) ((m)->magicfun)
 
 /* 2. symbol-value-buffer-local */
@@ -281,28 +282,72 @@ void defsubr (Lisp_Subr *);
 void defsubr_macro (Lisp_Subr *);
 #define DEFSUBR_MACRO(Fname) defsubr_macro (&S##Fname)
 
-void defsymbol (Lisp_Object *location, CONST char *name);
-
-void defkeyword (Lisp_Object *location, CONST char *name);
-
-void deferror (Lisp_Object *symbol, CONST char *name,
-              CONST char *message, Lisp_Object inherits_from);
+void defsymbol_massage_name (Lisp_Object *location, const char *name);
+void defsymbol_massage_name_nodump (Lisp_Object *location, const char *name);
+void defsymbol_massage_multiword_predicate (Lisp_Object *location,
+                                           const char *name);
+void defsymbol_massage_multiword_predicate_nodump (Lisp_Object *location,
+                                                  const char *name);
+void defsymbol (Lisp_Object *location, const char *name);
+void defsymbol_nodump (Lisp_Object *location, const char *name);
+
+#define DEFSYMBOL(name) defsymbol_massage_name (&name, #name)
+#define DEFSYMBOL_NO_DUMP(name) defsymbol_massage_name_nodump (&name, #name)
+#define DEFSYMBOL_MULTIWORD_PREDICATE(name) \
+  defsymbol_massage_multiword_predicate (&name, #name)
+#define DEFSYMBOL_MULTIWORD_PREDICATE_NO_DUMP(name) \
+  defsymbol_massage_multiword_predicate_nodump (&name, #name)
+
+void defkeyword (Lisp_Object *location, const char *name);
+void defkeyword_massage_name (Lisp_Object *location, const char *name);
+#define DEFKEYWORD(name) defkeyword_massage_name (&name, #name)
+
+void deferror (Lisp_Object *symbol, const char *name,
+              const char *message, Lisp_Object inherits_from);
+void deferror_massage_name (Lisp_Object *symbol, const char *name,
+                           const char *message, Lisp_Object inherits_from);
+void deferror_massage_name_and_message (Lisp_Object *symbol, const char *name,
+                                       Lisp_Object inherits_from);
+#define DEFERROR(name, message, inherits_from) \
+  deferror_massage_name (&name, #name, message, inherits_from)
+/* In this case, the error message is the same as the name, modulo some
+   prettifying */
+#define DEFERROR_STANDARD(name, inherits_from) \
+  deferror_massage_name_and_message (&name, #name, inherits_from)
 
 /* Macros we use to define forwarded Lisp variables.
    These are used in the syms_of_FILENAME functions.  */
 
-void defvar_magic (CONST char *symbol_name, CONST struct symbol_value_forward *magic);
-
-#define symbol_value_forward_lheader_initializer { 1, { 0, 0, 0 } }
+void defvar_magic (const char *symbol_name, const struct symbol_value_forward *magic);
 
 #define DEFVAR_SYMVAL_FWD(lname, c_location, forward_type, magicfun) do {      \
-  static CONST_IF_NOT_DEBUG struct symbol_value_forward I_hate_C               \
-   = { { { symbol_value_forward_lheader_initializer,                           \
-          (struct lcrecord_header *) (c_location), 69 },                       \
-         forward_type }, magicfun };                                           \
+  static const struct symbol_value_forward I_hate_C =                          \
+  { /* struct symbol_value_forward */                                          \
+    { /* struct symbol_value_magic */                                          \
+      { /* struct lcrecord_header */                                           \
+       { /* struct lrecord_header */                                           \
+         lrecord_type_symbol_value_forward, /* lrecord_type_index */           \
+         1, /* mark bit */                                                     \
+         1, /* c_readonly bit */                                               \
+         1  /* lisp_readonly bit */                                            \
+       },                                                                      \
+       0, /* next */                                                           \
+       0, /* uid  */                                                           \
+       0  /* free */                                                           \
+      },                                                                       \
+      c_location,                                                              \
+      forward_type                                                             \
+    },                                                                         \
+    magicfun                                                                   \
+  };                                                                           \
   defvar_magic ((lname), &I_hate_C);                                           \
 } while (0)
 
+#define DEFVAR_SYMVAL_FWD_INT(lname, c_location, forward_type, magicfun) do{   \
+  DEFVAR_SYMVAL_FWD (lname, c_location, forward_type, magicfun);               \
+  dumpopaque (c_location, sizeof(int));                                                \
+} while (0)
+
 #define DEFVAR_SYMVAL_FWD_OBJECT(lname, c_location, forward_type, magicfun) do{ \
   DEFVAR_SYMVAL_FWD (lname, c_location, forward_type, magicfun);               \
   staticpro (c_location);                                                      \
@@ -316,18 +361,18 @@ void defvar_magic (CONST char *symbol_name, CONST struct symbol_value_forward *m
 #define DEFVAR_SPECIFIER(lname, c_location) \
        DEFVAR_SYMVAL_FWD_OBJECT (lname, c_location, SYMVAL_CONST_SPECIFIER_FORWARD, 0)
 #define DEFVAR_INT(lname, c_location) \
-       DEFVAR_SYMVAL_FWD (lname, c_location, SYMVAL_FIXNUM_FORWARD, 0)
+       DEFVAR_SYMVAL_FWD_INT (lname, c_location, SYMVAL_FIXNUM_FORWARD, 0)
 #define DEFVAR_CONST_INT(lname, c_location) \
-       DEFVAR_SYMVAL_FWD (lname, c_location, SYMVAL_CONST_FIXNUM_FORWARD, 0)
+       DEFVAR_SYMVAL_FWD_INT (lname, c_location, SYMVAL_CONST_FIXNUM_FORWARD, 0)
 #define DEFVAR_BOOL(lname, c_location) \
-       DEFVAR_SYMVAL_FWD (lname, c_location, SYMVAL_BOOLEAN_FORWARD, 0)
+       DEFVAR_SYMVAL_FWD_INT (lname, c_location, SYMVAL_BOOLEAN_FORWARD, 0)
 #define DEFVAR_CONST_BOOL(lname, c_location) \
-       DEFVAR_SYMVAL_FWD (lname, c_location, SYMVAL_CONST_BOOLEAN_FORWARD, 0)
+       DEFVAR_SYMVAL_FWD_INT (lname, c_location, SYMVAL_CONST_BOOLEAN_FORWARD, 0)
 #define DEFVAR_LISP_MAGIC(lname, c_location, magicfun) \
-       DEFVAR_SYMVAL_FWD_OBJECT (lname, c_location, SYMVAL_OBJECT_FORWARD, magicfun);
+       DEFVAR_SYMVAL_FWD_OBJECT (lname, c_location, SYMVAL_OBJECT_FORWARD, magicfun)
 #define DEFVAR_INT_MAGIC(lname, c_location, magicfun) \
-       DEFVAR_SYMVAL_FWD (lname, c_location, SYMVAL_FIXNUM_FORWARD, magicfun);
+       DEFVAR_SYMVAL_FWD_INT (lname, c_location, SYMVAL_FIXNUM_FORWARD, magicfun)
 #define DEFVAR_BOOL_MAGIC(lname, c_location, magicfun) \
-       DEFVAR_SYMVAL_FWD (lname, c_location, SYMVAL_BOOLEAN_FORWARD, magicfun);
+       DEFVAR_SYMVAL_FWD_INT (lname, c_location, SYMVAL_BOOLEAN_FORWARD, magicfun)
 
-#endif /* _XEMACS_SYMEVAL_H_ */
+#endif /* INCLUDED_symeval_h_ */