/* Parser definitions for GDB.
Copyright (C) 1986, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
- 1998, 1999, 2000, 2002, 2007 Free Software Foundation, Inc.
+ 1998, 1999, 2000, 2002, 2007, 2008, 2009, 2010, 2011
+ Free Software Foundation, Inc.
Modified from expread.y by the Department of Computer Science at the
State University of New York at Buffalo.
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. */
+ 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 */
+ /* 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 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_elt_objfile (struct objfile *objfile);
-extern void write_exp_msymbol (struct minimal_symbol *,
- struct type *, struct type *);
+extern void write_exp_msymbol (struct minimal_symbol *);
extern void write_dollar_variable (struct stoken str);
+extern void mark_struct_expression (void);
+
extern char *find_template_name_end (char *);
extern void start_arglist (void);
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;
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 */