/* C language support definitions for GDB, the GNU debugger.
- Copyright 1992, 1994, 1995, 1996, 1997, 1998, 2000, 2002
- Free Software Foundation, Inc.
+
+ Copyright (C) 1992-2020 Free Software Foundation, Inc.
This file is part of GDB.
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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#if !defined (C_LANG_H)
#define C_LANG_H 1
+struct ui_file;
+struct language_arch_info;
+struct type_print_options;
+struct parser_state;
+
#include "value.h"
#include "macroexp.h"
+#include "parser-defs.h"
+#include "gdbsupport/enum-flags.h"
+
+
+/* The various kinds of C string and character. Note that these
+ values are chosen so that they may be or'd together in certain
+ ways. */
+enum c_string_type_values : unsigned
+ {
+ /* An ordinary string: "value". */
+ C_STRING = 0,
+ /* A wide string: L"value". */
+ C_WIDE_STRING = 1,
+ /* A 16-bit Unicode string: u"value". */
+ C_STRING_16 = 2,
+ /* A 32-bit Unicode string: U"value". */
+ C_STRING_32 = 3,
+ /* An ordinary char: 'v'. This can also be or'd with one of the
+ above to form the corresponding CHAR value from a STRING
+ value. */
+ C_CHAR = 4,
+ /* A wide char: L'v'. */
+ C_WIDE_CHAR = 5,
+ /* A 16-bit Unicode char: u'v'. */
+ C_CHAR_16 = 6,
+ /* A 32-bit Unicode char: U'v'. */
+ C_CHAR_32 = 7
+ };
+
+DEF_ENUM_FLAGS_TYPE (enum c_string_type_values, c_string_type);
+
+/* Defined in c-exp.y. */
+
+extern int c_parse (struct parser_state *);
+
+extern int c_parse_escape (const char **, struct obstack *);
+/* Defined in c-typeprint.c */
+extern void c_print_type (struct type *, const char *,
+ struct ui_file *, int, int,
+ const struct type_print_options *);
-extern int c_parse (void); /* Defined in c-exp.y */
+/* Print a type but allow the precise language to be specified. */
-extern void c_error (char *); /* Defined in c-exp.y */
+extern void c_print_type (struct type *, const char *,
+ struct ui_file *, int, int,
+ enum language,
+ const struct type_print_options *);
-/* Defined in c-typeprint.c */
-extern void c_print_type (struct type *, char *, struct ui_file *, int,
- int);
+extern void c_print_typedef (struct type *,
+ struct symbol *,
+ struct ui_file *);
-extern int c_val_print (struct type *, char *, int, CORE_ADDR,
- struct ui_file *, int, int, int,
- enum val_prettyprint);
+extern void c_val_print (struct type *,
+ int, CORE_ADDR,
+ struct ui_file *, int,
+ struct value *,
+ const struct value_print_options *);
-extern int c_value_print (struct value *, struct ui_file *, int,
- enum val_prettyprint);
+extern void c_value_print (struct value *, struct ui_file *,
+ const struct value_print_options *);
/* These are in c-lang.c: */
-extern void c_printchar (int, struct ui_file *);
+extern struct value *evaluate_subexp_c (struct type *expect_type,
+ struct expression *exp,
+ int *pos,
+ enum noside noside);
-extern void c_printstr (struct ui_file * stream, char *string,
- unsigned int length, int width,
- int force_ellipses);
+extern void c_printchar (int, struct type *, struct ui_file *);
-extern void scan_macro_expansion (char *expansion);
-extern int scanning_macro_expansion (void);
-extern void finished_macro_expansion (void);
+extern void c_printstr (struct ui_file * stream,
+ struct type *elttype,
+ const gdb_byte *string,
+ unsigned int length,
+ const char *user_encoding,
+ int force_ellipses,
+ const struct value_print_options *options);
-extern macro_lookup_ftype *expression_macro_lookup_func;
-extern void *expression_macro_lookup_baton;
+extern void c_language_arch_info (struct gdbarch *gdbarch,
+ struct language_arch_info *lai);
-extern struct type *c_create_fundamental_type (struct objfile *, int);
+extern const struct exp_descriptor exp_descriptor_c;
-extern struct type **const (c_builtin_types[]);
+extern void c_emit_char (int c, struct type *type,
+ struct ui_file *stream, int quoter);
-/* These are in c-typeprint.c: */
+extern const struct op_print c_op_print_tab[];
-extern void c_type_print_base (struct type *, struct ui_file *, int, int);
+extern gdb::unique_xmalloc_ptr<char> c_watch_location_expression
+ (struct type *type, CORE_ADDR addr);
-extern void c_type_print_varspec_prefix (struct type *, struct ui_file *,
- int, int);
+/* These are in c-typeprint.c: */
+
+extern void c_type_print_base (struct type *, struct ui_file *,
+ int, int, const struct type_print_options *);
/* These are in cp-valprint.c */
-extern int vtblprint; /* Controls printing of vtbl's */
+extern void cp_print_class_member (const gdb_byte *, struct type *,
+ struct ui_file *, const char *);
-extern int static_field_print;
+extern void cp_print_value_fields (struct type *, struct type *,
+ LONGEST, CORE_ADDR,
+ struct ui_file *, int,
+ struct value *,
+ const struct value_print_options *,
+ struct type **, int);
-extern void cp_print_class_member (char *, struct type *, struct ui_file *,
- char *);
+extern void cp_print_value_fields_rtti (struct type *,
+ const gdb_byte *, LONGEST, CORE_ADDR,
+ struct ui_file *, int,
+ struct value *,
+ const struct value_print_options *,
+ struct type **, int);
-extern void cp_print_class_method (char *, struct type *, struct ui_file *);
+/* gcc-2.6 or later (when using -fvtable-thunks)
+ emits a unique named type for a vtable entry.
+ Some gdb code depends on that specific name. */
-extern void cp_print_value_fields (struct type *, struct type *, char *,
- int, CORE_ADDR, struct ui_file *, int,
- int, enum val_prettyprint,
- struct type **, int);
+extern const char vtbl_ptr_name[];
extern int cp_is_vtbl_ptr_type (struct type *);
extern int cp_is_vtbl_member (struct type *);
+/* Return true if TYPE is a string type. Unlike DEFAULT_IS_STRING_TYPE_P
+ this will detect arrays of characters not just TYPE_CODE_STRING. */
+
+extern bool c_is_string_type_p (struct type *type);
+
+/* These are in c-valprint.c. */
+
+extern int c_textual_element_type (struct type *, char);
+
+/* Create a new instance of the C compiler and return it. The new
+ compiler is owned by the caller and must be freed using the destroy
+ method. This function never returns NULL, but rather throws an
+ exception on failure. This is suitable for use as the
+ la_get_compile_instance language method. */
+
+extern compile_instance *c_get_compile_context (void);
+
+/* Create a new instance of the C++ compiler and return it. The new
+ compiler is owned by the caller and must be freed using the destroy
+ method. This function never returns NULL, but rather throws an
+ exception on failure. This is suitable for use as the
+ la_get_compile_instance language method. */
+
+extern compile_instance *cplus_get_compile_context ();
+
+/* This takes the user-supplied text and returns a new bit of code to
+ compile.
+
+ This is used as the la_compute_program language method; see that
+ for a description of the arguments. */
+
+extern std::string c_compute_program (compile_instance *inst,
+ const char *input,
+ struct gdbarch *gdbarch,
+ const struct block *expr_block,
+ CORE_ADDR expr_pc);
+
+/* This takes the user-supplied text and returns a new bit of code to compile.
+
+ This is used as the la_compute_program language method; see that
+ for a description of the arguments. */
+
+extern std::string cplus_compute_program (compile_instance *inst,
+ const char *input,
+ struct gdbarch *gdbarch,
+ const struct block *expr_block,
+ CORE_ADDR expr_pc);
#endif /* !defined (C_LANG_H) */
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