/* Parser definitions for GDB.
- Copyright (C) 1986, 1989, 1990, 1991 Free Software Foundation, Inc.
+
+ Copyright 1986, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
+ 1997, 1998, 1999, 2000, 2002 Free Software Foundation, Inc.
+
Modified from expread.y by the Department of Computer Science at the
State University of New York at Buffalo.
#if !defined (PARSER_DEFS_H)
#define PARSER_DEFS_H 1
-struct std_regs
- {
- char *name;
- int regnum;
- };
+#include "doublest.h"
-extern struct std_regs *std_regs;
-extern unsigned num_std_regs;
+struct block;
extern struct expression *expout;
extern int expout_size;
extern struct block *expression_context_block;
+/* If expression_context_block is non-zero, then this is the PC within
+ the block that we want to evaluate expressions at. When debugging
+ C or C++ code, we use this to find the exact line we're at, and
+ then look up the macro definitions active at that point. */
+extern CORE_ADDR expression_context_pc;
+
/* The innermost context required by the stack and register variables
we've encountered so far. */
extern struct block *innermost_block;
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
{
- tp_end = -1, tp_pointer, tp_reference, tp_array, tp_function
+ tp_end = -1,
+ tp_pointer,
+ tp_reference,
+ tp_array,
+ tp_function,
+ tp_const,
+ tp_volatile,
+ tp_space_identifier
};
/* The stack can contain either an enum type_pieces or an int. */
union type_stack_elt
extern union type_stack_elt *type_stack;
extern int type_stack_depth, type_stack_size;
-extern void write_exp_elt PARAMS ((union exp_element));
+extern void write_exp_elt (union exp_element);
+
+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_type (struct type *);
-extern void write_exp_elt_opcode PARAMS ((enum exp_opcode));
+extern void write_exp_elt_intern (struct internalvar *);
-extern void write_exp_elt_sym PARAMS ((struct symbol *));
+extern void write_exp_string (struct stoken);
-extern void write_exp_elt_longcst PARAMS ((LONGEST));
+extern void write_exp_bitstring (struct stoken);
-extern void write_exp_elt_dblcst PARAMS ((DOUBLEST));
+extern void write_exp_elt_block (struct block *);
-extern void write_exp_elt_type PARAMS ((struct type *));
+extern void write_exp_msymbol (struct minimal_symbol *,
+ struct type *, struct type *);
-extern void write_exp_elt_intern PARAMS ((struct internalvar *));
+extern void write_dollar_variable (struct stoken str);
-extern void write_exp_string PARAMS ((struct stoken));
+extern struct symbol *parse_nested_classes_for_hpacc (char *, int, char **,
+ int *, char **);
-extern void write_exp_bitstring PARAMS ((struct stoken));
+extern char *find_template_name_end (char *);
-extern void write_exp_elt_block PARAMS ((struct block *));
+extern void start_arglist (void);
-extern void write_exp_msymbol PARAMS ((struct minimal_symbol *,
- struct type *, struct type *));
+extern int end_arglist (void);
-extern void write_dollar_variable PARAMS ((struct stoken str));
+extern char *copy_name (struct stoken);
-extern struct symbol *parse_nested_classes_for_hpacc PARAMS ((char *, int, char **, int *, char **));
+extern void push_type (enum type_pieces);
-extern char *find_template_name_end PARAMS ((char *));
+extern void push_type_int (int);
-extern void
-start_arglist PARAMS ((void));
+extern void push_type_address_space (char *);
-extern int
-end_arglist PARAMS ((void));
+extern enum type_pieces pop_type (void);
-extern char *
- copy_name PARAMS ((struct stoken));
+extern int pop_type_int (void);
-extern void
-push_type PARAMS ((enum type_pieces));
+extern int length_of_subexp (struct expression *, int);
-extern void
-push_type_int PARAMS ((int));
+extern int dump_subexp (struct expression *, struct ui_file *, int);
-extern enum type_pieces
-pop_type PARAMS ((void));
+extern int dump_subexp_body_standard (struct expression *,
+ struct ui_file *, int);
-extern int
-pop_type_int PARAMS ((void));
+extern void operator_length (struct expression *, int, int *, int *);
-extern int
-length_of_subexp PARAMS ((struct expression *, int));
+extern void operator_length_standard (struct expression *, int, int *, int *);
-extern struct type *follow_types PARAMS ((struct type *));
+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. */
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.
int right_assoc;
};
-/* The generic method for targets to specify how their registers are
- named. The mapping can be derived from three sources:
- REGISTER_NAME; std_regs; or a target specific alias hook. */
+/* 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. */
-extern int target_map_name_to_register PARAMS ((char *, int));
+extern void parser_fprintf (FILE *, const char *, ...) ATTR_FORMAT (printf, 2 ,3);
#endif /* PARSER_DEFS_H */
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