2003-12-31 Michael Chastain <mec.gnu@mindspring.com>

[deliverable/binutils-gdb.git] / gdb / expression.h

diff --git a/gdb/expression.h b/gdb/expression.h
index 72689794c0fda7682c5d01ff9695fbc7aefab8c7..03b45c2ef9ac24111bc56764128f3d67bbde2c98 100644 (file)
--- a/gdb/expression.h
+++ b/gdb/expression.h
@@ -1,5 +1,7 @@
 /* Definitions for expressions stored in reversed prefix form, for GDB.
-   Copyright 1986, 1989, 1992, 1994, 2000 Free Software Foundation, Inc.
+
+   Copyright 1986, 1989, 1992, 1994, 2000, 2003 Free Software
+   Foundation, Inc.
 
    This file is part of GDB.
 
@@ -321,6 +323,26 @@ enum exp_opcode
 
     /* An Objective C Foundation Class NSString constant */
     OP_OBJC_NSSTRING,
+
+     /* First extension operator.  Individual language modules define
+        extra operators they need as constants with values 
+        OP_LANGUAGE_SPECIFIC0 + k, for k >= 0, using a separate 
+        enumerated type definition:
+           enum foo_extension_operator {
+             BINOP_MOGRIFY = OP_EXTENDED0,
+            BINOP_FROB,
+            ...
+           };      */
+    OP_EXTENDED0,
+  
+    /* Last possible extension operator.  Defined to provide an
+       explicit and finite number of extended operators. */
+    OP_EXTENDED_LAST = 0xff
+    /* NOTE: Eventually, we expect to convert to an object-oriented 
+       formulation for expression operators that does away with the
+       need for these extension operators, and indeed for this
+       entire enumeration type.  Therefore, consider the OP_EXTENDED
+       definitions to be a temporary measure. */
   };
 
 union exp_element
@@ -391,11 +413,7 @@ extern void print_expression (struct expression *, struct ui_file *);
 
 extern char *op_string (enum exp_opcode);
 
-extern void dump_prefix_expression (struct expression *,
-                                   struct ui_file *,
-                                   char *);
-extern void dump_postfix_expression (struct expression *,
-                                    struct ui_file *,
-                                    char *);
+extern void dump_raw_expression (struct expression *, struct ui_file *, char *);
+extern void dump_prefix_expression (struct expression *, struct ui_file *);
 
 #endif /* !defined (EXPRESSION_H) */