/* Source-language-related definitions for GDB.
- Copyright (C) 1991-2020 Free Software Foundation, Inc.
+ Copyright (C) 1991-2022 Free Software Foundation, Inc.
Contributed by the Department of Computer Science at the State University
of New York at Buffalo.
return {};
}
+ /* Return true if SYMBOL represents an entity that is not
+ supposed to be seen by the user. To be used to filter symbols
+ during printing. */
+ virtual bool symbol_printing_suppressed (struct symbol *symbol) const
+ {
+ return false;
+ }
+
/* The per-architecture (OS/ABI) language information. */
virtual void language_arch_info (struct gdbarch *,
symbol_name_matcher_ftype *get_symbol_name_matcher
(const lookup_name_info &lookup_name) const;
- /* If this language allows compilation from the gdb command line, then
- this method will return an instance of struct gcc_context appropriate
- to the language. If compilation for this language is generally
- supported, but something goes wrong then an exception is thrown. The
- returned compiler instance is owned by its caller and must be
- deallocated by the caller. If compilation is not supported for this
- language then this method returns NULL. */
+ /* If this language allows compilation from the gdb command line,
+ then this method will return an instance of struct gcc_context
+ appropriate to the language. If compilation for this language is
+ generally supported, but something goes wrong then an exception
+ is thrown. If compilation is not supported for this language
+ then this method returns NULL. */
- virtual compile_instance *get_compile_instance () const
- {
- return nullptr;
- }
+ virtual std::unique_ptr<compile_instance> get_compile_instance () const;
/* This method must be overridden if 'get_compile_instance' is
overridden.
The resulting string should be of the form that will be
installed into a symbol. */
- virtual bool sniff_from_mangled_name (const char *mangled,
- char **demangled) const
+ virtual bool sniff_from_mangled_name
+ (const char *mangled, gdb::unique_xmalloc_ptr<char> *demangled) const
{
*demangled = nullptr;
return false;
}
/* Return demangled language symbol version of MANGLED, or NULL. */
- virtual char *demangle_symbol (const char *mangled, int options) const
+ virtual gdb::unique_xmalloc_ptr<char> demangle_symbol (const char *mangled,
+ int options) const
{
return nullptr;
}
virtual int parser (struct parser_state *ps) const;
- /* Given an expression *EXPP created by prefixifying the result of
- la_parser, perform any remaining processing necessary to complete its
- translation. *EXPP may change; la_post_parser is responsible for
- releasing its previous contents, if necessary. */
-
- virtual void post_parser (expression_up *expp, struct parser_state *ps)
- const
- {
- /* By default the post-parser does nothing. */
- }
-
/* Print the character CH (of type CHTYPE) on STREAM as part of the
contents of a literal string whose delimiter is QUOTER. */
/* Return false if the language has first-class arrays. Return true if
there are no array values, and array objects decay to pointers, as in
C. The default is true as currently most supported languages behave
- in this manor. */
+ in this manner. */
virtual bool c_style_arrays_p () const
{ return true; }
virtual const struct lang_varobj_ops *varobj_ops () const;
- /* Definitions related to expression printing, prefixifying, and
- dumping. */
-
- virtual const struct exp_descriptor *expression_ops () const;
-
- /* Table for printing expressions. */
-
- virtual const struct op_print *opcode_print_table () const = 0;
-
protected:
/* This is the overridable part of the GET_SYMBOL_NAME_MATCHER method.
(LANG)->la_language == language_cplus || \
(LANG)->la_language == language_objc)
-extern void language_info (int);
+/* Print out the current language settings: language, range and
+ type checking. */
+
+extern void language_info ();
extern enum language set_language (enum language);
\f
-/* This page contains functions that return things that are
- specific to languages. Each of these functions is based on
- the current setting of working_lang, which the user sets
- with the "set language" command. */
-
-#define LA_PRINT_TYPE(type,varstring,stream,show,level,flags) \
- (current_language->print_type(type,varstring,stream,show,level,flags))
-
-#define LA_PRINT_CHAR(ch, type, stream) \
- (current_language->printchar (ch, type, stream))
-#define LA_PRINT_STRING(stream, elttype, string, length, encoding, force_ellipses, options) \
- (current_language->printstr (stream, elttype, string, length, \
- encoding, force_ellipses,options))
-
/* Test a character to decide whether it can be printed in literal form
or needs to be printed in another representation. For example,
in C the literal form of the character with octal value 141 is 'a'
&& ((c) < 0x7F || (c) >= 0xA0) \
&& (!sevenbit_strings || (c) < 0x80))
-/* Type predicates */
-
-extern int pointer_type (struct type *);
-
/* Error messages */
extern void range_error (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
-/* Data: Does this value represent "truth" to the current language? */
-
-extern int value_true (struct value *);
-
/* Misc: The string representing a particular enum language. */
extern enum language language_enum (const char *str);
extern CORE_ADDR skip_language_trampoline (struct frame_info *, CORE_ADDR pc);
/* Return demangled language symbol, or NULL. */
-extern char *language_demangle (const struct language_defn *current_language,
- const char *mangled, int options);
+extern gdb::unique_xmalloc_ptr<char> language_demangle
+ (const struct language_defn *current_language,
+ const char *mangled, int options);
/* Return information about whether TYPE should be passed
(and returned) by reference at the language level. */