/* Parser definitions for GDB.
- Copyright (C) 1986, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
- 1997, 1998, 1999, 2000, 2002 Free Software Foundation, Inc.
+ 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 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,
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., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#if !defined (PARSER_DEFS_H)
#define PARSER_DEFS_H 1
struct block;
+extern int parser_debug;
+
extern struct expression *expout;
extern int expout_size;
extern int expout_ptr;
+#define parse_gdbarch (expout->gdbarch)
+#define parse_language (expout->language_defn)
+
/* If this is nonzero, this block is used as the lexical context
for symbol names. */
extern CORE_ADDR expression_context_pc;
/* The innermost context required by the stack and register variables
- we've encountered so far. */
+ we've encountered so far. */
extern struct block *innermost_block;
/* The block in which the most recently discovered symbol was found.
extern int arglist_len;
/* A string token, either a char-string or bit-string. Char-strings are
- used, for example, for the names of symbols. */
+ used, for example, for the names of symbols. */
struct stoken
{
- /* Pointer to first byte of char-string or first bit of bit-string */
+ /* Pointer to first byte of char-string or first bit of bit-string. */
char *ptr;
- /* Length of string in bytes for char-string or bits for bit-string */
+ /* Length of string in bytes for char-string or bits for bit-string. */
int length;
};
+struct typed_stoken
+ {
+ /* A language-specific type field. */
+ int type;
+ /* Pointer to first byte of char-string or first bit of bit-string. */
+ char *ptr;
+ /* Length of string in bytes for char-string or bits for bit-string. */
+ int length;
+ };
+
+struct stoken_vector
+ {
+ int len;
+ struct typed_stoken *tokens;
+ };
+
struct ttype
{
struct stoken stoken;
extern union type_stack_elt *type_stack;
extern int type_stack_depth, type_stack_size;
-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_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 *);
extern void write_exp_string (struct stoken);
+void write_exp_string_vector (int type, struct stoken_vector *vec);
+
extern void write_exp_bitstring (struct stoken);
extern void write_exp_elt_block (struct block *);
-extern void write_exp_msymbol (struct minimal_symbol *,
- struct type *, struct type *);
+extern void write_exp_elt_objfile (struct objfile *objfile);
+
+extern void write_exp_msymbol (struct minimal_symbol *);
extern void write_dollar_variable (struct stoken str);
-extern struct symbol *parse_nested_classes_for_hpacc (char *, int, char **,
- int *, char **);
+extern void mark_struct_expression (void);
extern char *find_template_name_end (char *);
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 (const struct expression *, int, int *, int *);
-extern void operator_length_standard (struct expression *, int, int *, int *);
+extern void operator_length_standard (const struct expression *, int, int *,
+ int *);
+
+extern int operator_check_standard (struct expression *exp, int pos,
+ int (*objfile_func)
+ (struct objfile *objfile, void *data),
+ void *data);
extern char *op_name_standard (enum exp_opcode);
extern void null_post_parser (struct expression **, int);
+extern int parse_float (const char *p, int len, DOUBLEST *d,
+ const char **suffix);
+
+extern int parse_c_float (struct gdbarch *gdbarch, const char *p, int len,
+ DOUBLEST *d, struct type **t);
+
/* 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.
+/* 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;
enum precedence precedence;
/* For a binary operator: 1 iff right associate.
- For a unary operator: 1 iff postfix. */
+ For a unary operator: 1 iff postfix. */
int right_assoc;
};
/* 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 *);
+ void (*operator_length) (const struct expression*, int, int*, int *);
+
+ /* Call TYPE_FUNC and OBJFILE_FUNC for any TYPE and OBJFILE found being
+ referenced by the single operator of EXP at position POS. Operator
+ parameters are located at positive (POS + number) offsets in EXP.
+ The functions should never be called with NULL TYPE or NULL OBJFILE.
+ Functions should get passed an arbitrary caller supplied DATA pointer.
+ If any of the functions returns non-zero value then (any other) non-zero
+ value should be immediately returned to the caller. Otherwise zero
+ should be returned. */
+ int (*operator_check) (struct expression *exp, int pos,
+ int (*objfile_func) (struct objfile *objfile,
+ void *data),
+ void *data);
/* Name of this operator for dumping purposes. */
char *(*op_name) (enum exp_opcode);
/* Function used to avoid direct calls to fprintf
in the code generated by the bison parser. */
-extern void parser_fprintf (FILE *, const char *, ...) ATTR_FORMAT (printf, 2 ,3);
+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 */
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