2004-10-31 Andrew Cagney <[email protected]>

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

diff --git a/gdb/parser-defs.h b/gdb/parser-defs.h
index 748208ae6d1ecac55b32649f86a7ae0737e8c8a2..43a07c37466b6f1f9bcd9599dd15e0813c706876 100644 (file)
--- a/gdb/parser-defs.h
+++ b/gdb/parser-defs.h
@@ -28,6 +28,8 @@
 
 #include "doublest.h"
 
+struct block;
+
 extern struct expression *expout;
 extern int expout_size;
 extern int expout_ptr;
@@ -79,6 +81,14 @@ struct symtoken
     int is_a_field_of_this;
   };
 
+struct objc_class_str
+  {
+    struct stoken stoken;
+    struct type *type;
+    int class;
+  };
+
+
 /* For parsing of complicated types.
    An array should be preceded in the list by the size of the array.  */
 enum type_pieces
@@ -149,8 +159,21 @@ 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.  */
 
@@ -210,11 +233,45 @@ struct op_print
     int right_assoc;
   };
 
-/* The generic method for targets to specify how their registers are
-   named.  The mapping can be derived from two sources: REGISTER_NAME;
-   and builtin regs. */
+/* 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 int target_map_name_to_register (char *, int);
+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.  */