/* Source-language-related definitions for GDB.
- Copyright (C) 1991-2015 Free Software Foundation, Inc.
+ Copyright (C) 1991-2016 Free Software Foundation, Inc.
Contributed by the Department of Computer Science at the State University
of New York at Buffalo.
/* Style of macro expansion, if any, supported by this language. */
enum macro_expansion la_macro_expansion;
+ /* A NULL-terminated array of file extensions for this language.
+ The extension must include the ".", like ".c". If this
+ language doesn't need to provide any filename extensions, this
+ may be NULL. */
+
+ const char *const *la_filename_extensions;
+
/* Definitions related to expression printing, prefixifying, and
dumping. */
void (*la_value_print) (struct value *, struct ui_file *,
const struct value_print_options *);
- /* Given a symbol VAR, and a stack frame id FRAME, read the value
- of the variable an return (pointer to a) struct value containing
- the value.
+ /* Given a symbol VAR, the corresponding block VAR_BLOCK (if any) and a
+ stack frame id FRAME, read the value of the variable and return (pointer
+ to a) struct value containing the value.
+
+ VAR_BLOCK is needed if there's a possibility for VAR to be outside
+ FRAME. This is what happens if FRAME correspond to a nested function
+ and VAR is defined in the outer function. If callers know that VAR is
+ located in FRAME or is global/static, NULL can be passed as VAR_BLOCK.
Throw an error if the variable cannot be found. */
struct value *(*la_read_var_value) (struct symbol *var,
+ const struct block *var_block,
struct frame_info *frame);
/* PC is possibly an unknown languages trampoline.
/* Return demangled language symbol, or NULL. */
char *(*la_demangle) (const char *mangled, int options);
+ /* Demangle a symbol according to this language's rules. Unlike
+ la_demangle, this does not take any options.
+
+ *DEMANGLED will be set by this function.
+
+ If this function returns 0, then *DEMANGLED must always be set
+ to NULL.
+
+ If this function returns 1, the implementation may set this to
+ a xmalloc'd string holding the demangled form. However, it is
+ not required to. The string, if any, is owned by the caller.
+
+ The resulting string should be of the form that will be
+ installed into a symbol. */
+ int (*la_sniff_from_mangled_name) (const char *mangled, char **demangled);
+
/* Return class name of a mangled method name or NULL. */
char *(*la_class_name_from_physname) (const char *physname);
extern void add_language (const struct language_defn *);
-extern enum language get_frame_language (struct frame_info *frame); /* In stack.c */
-
/* Check for a language-specific trampoline. */
extern CORE_ADDR skip_language_trampoline (struct frame_info *, CORE_ADDR pc);
extern char *language_demangle (const struct language_defn *current_language,
const char *mangled, int options);
+/* A wrapper for la_sniff_from_mangled_name. The arguments and result
+ are as for the method. */
+
+extern int language_sniff_from_mangled_name (const struct language_defn *lang,
+ const char *mangled,
+ char **demangled);
+
/* Return class name from physname, or NULL. */
extern char *language_class_name_from_physname (const struct language_defn *,
const char *physname);