Merge GDB 7.5.1

gdb/parser-defs.h

 /* Parser definitions for GDB.
 
    Copyright (C) 1986, 1989-2000, 2002, 2007-2012 Free Software
    Foundation, Inc.
 
    Modified from expread.y by the Department of Computer Science at the
    State University of New York at Buffalo.
 
    This file is part of GDB.
 
    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 3 of the License, or
    (at your option) any later version.
 
    This program 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 General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #if !defined (PARSER_DEFS_H)
 #define PARSER_DEFS_H 1
 
 #include "doublest.h"
+#include "vec.h"
 
 struct block;
 
 extern int parser_debug;
 
 extern struct expression *expout;
 extern int expout_size;
 extern int expout_ptr;
 
 #define parse_gdbarch (expout->gdbarch)
@@ skipping 62 matching lines @@
     int is_a_field_of_this;
   };
 
 struct objc_class_str
   {
     struct stoken stoken;
     struct type *type;
     int class;
   };
 
+typedef struct type *type_ptr;
+DEF_VEC_P (type_ptr);
 
 /* For parsing of complicated types.
    An array should be preceded in the list by the size of the array.  */
 enum type_pieces
   {
     tp_end = -1, 
     tp_pointer, 
     tp_reference, 
     tp_array, 
-    tp_function, 
+    tp_function,
+    tp_function_with_arguments,
     tp_const, 
     tp_volatile, 
-    tp_space_identifier
+    tp_space_identifier,
+    tp_type_stack
   };
 /* The stack can contain either an enum type_pieces or an int.  */
 union type_stack_elt
   {
     enum type_pieces piece;
     int int_val;
+    struct type_stack *stack_val;
+    VEC (type_ptr) *typelist_val;
   };
-extern union type_stack_elt *type_stack;
-extern int type_stack_depth, type_stack_size;
+
+/* The type stack is an instance of this structure.  */
+
+struct type_stack
+{
+  /* Elements on the stack.  */
+  union type_stack_elt *elements;
+  /* Current stack depth.  */
+  int depth;
+  /* Allocated size of stack.  */
+  int size;
+};
+
+/* Helper function to initialize the expout, expout_size, expout_ptr
+   trio before it is used to store expression elements created during
+   the parsing of an expression.  INITIAL_SIZE is the initial size of
+   the expout array.  LANG is the language used to parse the expression.
+   And GDBARCH is the gdbarch to use during parsing.  */
+
+extern void initialize_expout (int, const struct language_defn *,
+                               struct gdbarch *);
+
+/* Helper function that frees any unsed space in the expout array.
+   It is generally used when the parser has just been parsed and
+   created.  */
+
+extern void reallocate_expout (void);
+
+/* Reverse an expression from suffix form (in which it is constructed)
+   to prefix form (in which we can conveniently print or execute it).
+   Ordinarily this always returns -1.  However, if EXPOUT_LAST_STRUCT
+   is not -1 (i.e., we are trying to complete a field name), it will
+   return the index of the subexpression which is the left-hand-side
+   of the struct operation at EXPOUT_LAST_STRUCT.  */
+
+extern int prefixify_expression (struct expression *expr);
 
 extern void write_exp_elt_opcode (enum exp_opcode);
 
 extern void write_exp_elt_sym (struct symbol *);
 
 extern void write_exp_elt_longcst (LONGEST);
 
 extern void write_exp_elt_dblcst (DOUBLEST);
 
 extern void write_exp_elt_decfloatcst (gdb_byte *);
@@ skipping 19 matching lines @@
 extern void mark_struct_expression (void);
 
 extern char *find_template_name_end (char *);
 
 extern void start_arglist (void);
 
 extern int end_arglist (void);
 
 extern char *copy_name (struct stoken);
 
+extern void insert_type (enum type_pieces);
+
 extern void push_type (enum type_pieces);
 
 extern void push_type_int (int);
 
-extern void push_type_address_space (char *);
+extern void insert_type_address_space (char *);
 
 extern enum type_pieces pop_type (void);
 
 extern int pop_type_int (void);
 
+extern struct type_stack *get_type_stack (void);
+
+extern struct type_stack *append_type_stack (struct type_stack *to,
+                                             struct type_stack *from);
+
+extern void push_type_stack (struct type_stack *stack);
+
+extern void type_stack_cleanup (void *arg);
+
+extern void push_typelist (VEC (type_ptr) *typelist);
+
 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 (const struct expression *, int, int *, int *);
 
 extern void operator_length_standard (const struct expression *, int, int *,
@@ skipping 18 matching lines @@
 
 /* During parsing of a C expression, the pointer to the next character
    is in this variable.  */
 
 extern char *lexptr;
 
 /* After a token has been recognized, this variable points to it.
    Currently used only for error reporting.  */
 extern char *prev_lexptr;
 
-/* Tokens that refer to names do so with explicit pointer and length,
-   so they can share the storage that lexptr is parsing.
-
-   When it is necessary to pass a name to a function that expects
-   a null-terminated string, the substring is copied out
-   into a block of storage that namecopy points to.
-
-   namecopy is allocated once, guaranteed big enough, for each parsing.  */
-
-extern char *namecopy;
-
 /* Current depth in parentheses within the expression.  */
 
 extern int paren_depth;
 
 /* Nonzero means stop parsing on first comma (if not within parentheses).  */
 
 extern int comma_terminates;
 
 
 /* These codes indicate operator precedences for expression printing,
@@ skipping 81 matching lines @@
                                    struct ui_file *, enum precedence);
 
 /* Function used to avoid direct calls to fprintf
    in the code generated by the bison parser.  */
 
 extern void parser_fprintf (FILE *, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
 
 extern int exp_uses_objfile (struct expression *exp, struct objfile *objfile);
 
 #endif /* PARSER_DEFS_H */