X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fc-lang.h;h=3e07dc9c88d11569a489a8913ad3457adc183d5d;hb=refs%2Fheads%2Fconcurrent-displaced-stepping-2020-04-01;hp=cc9abde19d5c12f51ee25680fa11eabfcd7901b6;hpb=79a45b7d67b37d45cdb44d3ee2761a768474dd73;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/c-lang.h b/gdb/c-lang.h index cc9abde19d..3e07dc9c88 100644 --- a/gdb/c-lang.h +++ b/gdb/c-lang.h @@ -1,7 +1,6 @@ /* C language support definitions for GDB, the GNU debugger. - Copyright (C) 1992, 1994, 1995, 1996, 1997, 1998, 2000, 2002, 2005, 2006, - 2007, 2008 Free Software Foundation, Inc. + Copyright (C) 1992-2020 Free Software Foundation, Inc. This file is part of GDB. @@ -24,65 +23,173 @@ 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 void c_print_typedef (struct type *, struct symbol *, struct ui_file *); +/* Implement la_value_print_inner for the C family of languages. */ -extern int c_val_print (struct type *, const gdb_byte *, int, CORE_ADDR, - struct ui_file *, int, - const struct value_print_options *); +extern void c_value_print_inner (struct value *, struct ui_file *, int, + const struct value_print_options *); -extern int c_value_print (struct value *, struct ui_file *, - const struct value_print_options *); +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_printchar (int, struct type *, struct ui_file *); -extern void c_printstr (struct ui_file * stream, const gdb_byte *string, - unsigned int length, int width, +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 void scan_macro_expansion (char *expansion); -extern int scanning_macro_expansion (void); -extern void finished_macro_expansion (void); - -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 const struct exp_descriptor exp_descriptor_c; + +extern void c_emit_char (int c, struct type *type, + struct ui_file *stream, int quoter); + +extern const struct op_print c_op_print_tab[]; + +extern gdb::unique_xmalloc_ptr c_watch_location_expression + (struct type *type, CORE_ADDR addr); + /* These are in c-typeprint.c: */ -extern void c_type_print_base (struct type *, struct ui_file *, int, int); +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 void cp_print_class_member (const gdb_byte *, struct type *, - struct ui_file *, char *); + struct ui_file *, const char *); -extern void cp_print_value_fields (struct type *, struct type *, - const gdb_byte *, int, CORE_ADDR, +extern void cp_print_value_fields (struct value *, struct ui_file *, int, const struct value_print_options *, struct type **, int); +/* 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 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 + language_defn::get_compile_instance 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 + language_defn::get_compile_instance 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) */