/* Definitions for expressions stored in reversed prefix form, for GDB.
- Copyright (C) 1986-2014 Free Software Foundation, Inc.
+ Copyright (C) 1986-2018 Free Software Foundation, Inc.
This file is part of GDB.
#include "symtab.h" /* Needed for "struct block" type. */
-#include "doublest.h" /* Needed for DOUBLEST. */
/* Definitions for saved C expressions. */
{
enum exp_opcode opcode;
struct symbol *symbol;
+ struct minimal_symbol *msymbol;
LONGEST longconst;
- DOUBLEST doubleconst;
- gdb_byte decfloatconst[16];
+ gdb_byte floatconst[16];
/* Really sizeof (union exp_element) characters (or less for the last
element of a string). */
char string;
union exp_element elts[1];
};
+typedef gdb::unique_xmalloc_ptr<expression> expression_up;
+
/* Macros for converting between number of expression elements and bytes
to store that many expression elements. */
/* From parse.c */
-extern struct expression *parse_expression (const char *);
+extern expression_up parse_expression (const char *);
+
+extern expression_up parse_expression_with_language (const char *string,
+ enum language lang);
-extern struct type *parse_expression_for_completion (const char *, char **,
- enum type_code *);
+extern struct type *parse_expression_for_completion
+ (const char *, gdb::unique_xmalloc_ptr<char> *, enum type_code *);
-extern struct expression *parse_exp_1 (const char **, CORE_ADDR pc,
- const struct block *, int);
+extern expression_up parse_exp_1 (const char **, CORE_ADDR pc,
+ const struct block *, int);
/* For use by parsers; set if we want to parse an expression and
attempt completion. */
extern int parse_completion;
-/* The innermost context required by the stack and register variables
- we've encountered so far. To use this, set it to NULL, then call
- parse_<whatever>, then look at it. */
-extern const struct block *innermost_block;
-
/* From eval.c */
/* Values of NOSIDE argument to eval_subexp. */
extern void print_expression (struct expression *, struct ui_file *);
-extern char *op_name (struct expression *exp, enum exp_opcode opcode);
+extern const char *op_name (struct expression *exp, enum exp_opcode opcode);
-extern char *op_string (enum exp_opcode);
+extern const char *op_string (enum exp_opcode);
extern void dump_raw_expression (struct expression *,
- struct ui_file *, char *);
+ struct ui_file *, const char *);
extern void dump_prefix_expression (struct expression *, struct ui_file *);
+/* In an OP_RANGE expression, either bound could be empty, indicating
+ that its value is by default that of the corresponding bound of the
+ array or string. So we have four sorts of subrange. This
+ enumeration type is to identify this. */
+
+enum range_type
+ {
+ BOTH_BOUND_DEFAULT, /* "(:)" */
+ LOW_BOUND_DEFAULT, /* "(:high)" */
+ HIGH_BOUND_DEFAULT, /* "(low:)" */
+ NONE_BOUND_DEFAULT /* "(low:high)" */
+ };
+
#endif /* !defined (EXPRESSION_H) */