/* Code dealing with blocks for GDB.
- Copyright (C) 2003-2015 Free Software Foundation, Inc.
+ Copyright (C) 2003-2018 Free Software Foundation, Inc.
This file is part of GDB.
struct dictionary *dict;
- /* Used for language-specific info. */
+ /* Contains information about namespace-related info relevant to this block:
+ using directives and the current namespace scope. */
- union
- {
- struct
- {
- /* Contains information about namespace-related info relevant to
- this block: using directives and the current namespace
- scope. */
-
- struct block_namespace_info *the_namespace;
- }
- cplus_specific;
- }
- language_specific;
+ struct block_namespace_info *namespace_info;
};
/* The global block is singled out so that we can provide a back-link
#define BLOCK_FUNCTION(bl) (bl)->function
#define BLOCK_SUPERBLOCK(bl) (bl)->superblock
#define BLOCK_DICT(bl) (bl)->dict
-#define BLOCK_NAMESPACE(bl) (bl)->language_specific.cplus_specific.the_namespace
+#define BLOCK_NAMESPACE(bl) (bl)->namespace_info
struct blockvector
{
extern void set_block_compunit_symtab (struct block *,
struct compunit_symtab *);
+/* Return a property to evaluate the static link associated to BLOCK.
+
+ In the context of nested functions (available in Pascal, Ada and GNU C, for
+ instance), a static link (as in DWARF's DW_AT_static_link attribute) for a
+ function is a way to get the frame corresponding to the enclosing function.
+
+ Note that only objfile-owned and function-level blocks can have a static
+ link. Return NULL if there is no such property. */
+
+extern struct dynamic_prop *block_static_link (const struct block *block);
+
/* A block iterator. This structure should be treated as though it
were opaque; it is only defined here because we want to support
stack allocation of iterators. */
extern struct symbol *block_iterator_next (struct block_iterator *iterator);
/* Initialize ITERATOR to point at the first symbol in BLOCK whose
- SYMBOL_SEARCH_NAME is NAME (as tested using strcmp_iw), and return
- that first symbol, or NULL if there are no such symbols. */
-
-extern struct symbol *block_iter_name_first (const struct block *block,
- const char *name,
- struct block_iterator *iterator);
-
-/* Advance ITERATOR to point at the next symbol in BLOCK whose
- SYMBOL_SEARCH_NAME is NAME (as tested using strcmp_iw), or NULL if
- there are no more such symbols. Don't call this if you've
- previously received NULL from block_iterator_first or
- block_iterator_next on this iteration. And don't call it unless
- ITERATOR was created by a previous call to block_iter_name_first
- with the same NAME. */
-
-extern struct symbol *block_iter_name_next (const char *name,
- struct block_iterator *iterator);
-
-/* Initialize ITERATOR to point at the first symbol in BLOCK whose
- SYMBOL_SEARCH_NAME is NAME, as tested using COMPARE (which must use
- the same conventions as strcmp_iw and be compatible with any
- block hashing function), and return that first symbol, or NULL
- if there are no such symbols. */
+ SYMBOL_SEARCH_NAME matches NAME, and return that first symbol, or
+ NULL if there are no such symbols. */
extern struct symbol *block_iter_match_first (const struct block *block,
- const char *name,
- symbol_compare_ftype *compare,
+ const lookup_name_info &name,
struct block_iterator *iterator);
/* Advance ITERATOR to point at the next symbol in BLOCK whose
- SYMBOL_SEARCH_NAME is NAME, as tested using COMPARE (see
- block_iter_match_first), or NULL if there are no more such symbols.
- Don't call this if you've previously received NULL from
+ SYMBOL_SEARCH_NAME matches NAME, or NULL if there are no more such
+ symbols. Don't call this if you've previously received NULL from
block_iterator_match_first or block_iterator_match_next on this
iteration. And don't call it unless ITERATOR was created by a
- previous call to block_iter_match_first with the same NAME and COMPARE. */
+ previous call to block_iter_match_first with the same NAME. */
-extern struct symbol *block_iter_match_next (const char *name,
- symbol_compare_ftype *compare,
- struct block_iterator *iterator);
+extern struct symbol *block_iter_match_next
+ (const lookup_name_info &name, struct block_iterator *iterator);
/* Search BLOCK for symbol NAME in DOMAIN. */
extern struct symbol *block_lookup_symbol (const struct block *block,
const char *name,
+ symbol_name_match_type match_type,
const domain_enum domain);
/* Search BLOCK for symbol NAME in DOMAIN but only in primary symbol table of
(sym); \
(sym) = block_iterator_next (&(iter)))
-/* Macro to loop through all symbols with name NAME in BLOCK,
- in no particular order. ITER helps keep track of the iteration, and
- must be a struct block_iterator. SYM points to the current symbol. */
+/* Macro to loop through all symbols in BLOCK with a name that matches
+ NAME, in no particular order. ITER helps keep track of the
+ iteration, and must be a struct block_iterator. SYM points to the
+ current symbol. */
#define ALL_BLOCK_SYMBOLS_WITH_NAME(block, name, iter, sym) \
- for ((sym) = block_iter_name_first ((block), (name), &(iter)); \
+ for ((sym) = block_iter_match_first ((block), (name), &(iter)); \
(sym) != NULL; \
- (sym) = block_iter_name_next ((name), &(iter)))
+ (sym) = block_iter_match_next ((name), &(iter)))
#endif /* BLOCK_H */
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