2007-10-25 Wu Zhou <woodzltc@cn.ibm.com>

[deliverable/binutils-gdb.git] / gdb / parser-defs.h

diff --git a/gdb/parser-defs.h b/gdb/parser-defs.h
index 54b39a8b0b6db274abedd63cd2d78e25b4a79df2..7928537276e5fa25d182a623afeddaf094fce8ba 100644 (file)
--- a/gdb/parser-defs.h
+++ b/gdb/parser-defs.h
@@ -1,7 +1,7 @@
 /* Parser definitions for GDB.
 
-   Copyright 1986, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
-   1997, 1998, 1999, 2000, 2002 Free Software Foundation, Inc.
+   Copyright (C) 1986, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
+   1998, 1999, 2000, 2002, 2007 Free Software Foundation, Inc.
 
    Modified from expread.y by the Department of Computer Science at the
    State University of New York at Buffalo.
@@ -10,7 +10,7 @@
 
    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 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -19,9 +19,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #if !defined (PARSER_DEFS_H)
 #define PARSER_DEFS_H 1
@@ -121,6 +119,8 @@ extern void write_exp_elt_longcst (LONGEST);
 
 extern void write_exp_elt_dblcst (DOUBLEST);
 
+extern void write_exp_elt_decfloatcst (gdb_byte *);
+
 extern void write_exp_elt_type (struct type *);
 
 extern void write_exp_elt_intern (struct internalvar *);
@@ -131,14 +131,13 @@ extern void write_exp_bitstring (struct stoken);
 
 extern void write_exp_elt_block (struct block *);
 
+extern void write_exp_elt_objfile (struct objfile *objfile);
+
 extern void write_exp_msymbol (struct minimal_symbol *,
                               struct type *, struct type *);
 
 extern void write_dollar_variable (struct stoken str);
 
-extern struct symbol *parse_nested_classes_for_hpacc (char *, int, char **,
-                                                     int *, char **);
-
 extern char *find_template_name_end (char *);
 
 extern void start_arglist (void);
@@ -159,10 +158,21 @@ extern int pop_type_int (void);
 
 extern int length_of_subexp (struct expression *, int);
 
+extern int dump_subexp (struct expression *, struct ui_file *, int);
+
+extern int dump_subexp_body_standard (struct expression *, 
+                                     struct ui_file *, int);
+
 extern void operator_length (struct expression *, int, int *, int *);
 
+extern void operator_length_standard (struct expression *, int, int *, int *);
+
+extern char *op_name_standard (enum exp_opcode);
+
 extern struct type *follow_types (struct type *);
 
+extern void null_post_parser (struct expression **, int);
+
 /* During parsing of a C expression, the pointer to the next character
    is in this variable.  */
 
@@ -222,6 +232,46 @@ struct op_print
     int right_assoc;
   };
 
+/* Information needed to print, prefixify, and evaluate expressions for 
+   a given language.  */
+
+struct exp_descriptor
+  {
+    /* Print subexpression.  */
+    void (*print_subexp) (struct expression *, int *, struct ui_file *,
+                         enum precedence);
+
+    /* Returns number of exp_elements needed to represent an operator and
+       the number of subexpressions it takes.  */
+    void (*operator_length) (struct expression*, int, int*, int *);
+
+    /* Name of this operator for dumping purposes.  */
+    char *(*op_name) (enum exp_opcode);
+
+    /* Dump the rest of this (prefix) expression after the operator
+       itself has been printed.  See dump_subexp_body_standard in
+       (expprint.c).  */
+    int (*dump_subexp_body) (struct expression *, struct ui_file *, int);
+
+    /* Evaluate an expression.  */
+    struct value *(*evaluate_exp) (struct type *, struct expression *,
+                                  int *, enum noside);
+  };
+
+
+/* Default descriptor containing standard definitions of all
+   elements.  */
+extern const struct exp_descriptor exp_descriptor_standard;
+
+/* Functions used by language-specific extended operators to (recursively)
+   print/dump subexpressions.  */
+
+extern void print_subexp (struct expression *, int *, struct ui_file *,
+                         enum precedence);
+
+extern void print_subexp_standard (struct expression *, int *, 
+                                  struct ui_file *, enum precedence);
+
 /* Function used to avoid direct calls to fprintf
    in the code generated by the bison parser.  */