/* The lang_hooks data structure.
- Copyright 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+ Copyright 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of GCC.
{
tree (*walk_subtrees) (tree *, int *,
tree (*) (tree *, int *, void *),
- void *, void *);
+ void *, struct pointer_set_t*);
int (*cannot_inline_tree_fn) (tree *);
int (*disregard_inline_limits) (tree);
tree (*add_pending_fn_decls) (void *, tree);
/* Given a type, apply default promotions to unnamed function
arguments and return the new type. Return the same type if no
change. Required by any language that supports variadic
- arguments. The default hook aborts. */
+ arguments. The default hook dies. */
tree (*type_promotes_to) (tree);
/* Register TYPE as a builtin type with the indicated NAME. The
/* Determines the size of any language-specific tcc_constant or
tcc_exceptional nodes. Since it is called from make_node, the
- only information available is the tree code. Expected to abort
+ only information available is the tree code. Expected to die
on unrecognized codes. */
size_t (*tree_size) (enum tree_code);
1 if handled, 0 otherwise. */
int (*expand_decl) (tree);
- /* Prepare expr to be an argument of a TRUTH_NOT_EXPR or other logical
- operation.
-
- This preparation consists of taking the ordinary representation
- of an expression expr and producing a valid tree boolean
- expression describing whether expr is nonzero. We could simply
- always do build_binary_op (NE_EXPR, expr, integer_zero_node, 1),
- but we optimize comparisons, &&, ||, and !.
-
- The result should be an expression of boolean type (if not an
- error_mark_node). */
- tree (*truthvalue_conversion) (tree);
-
/* Hook called by safe_from_p for language-specific tree codes. It is
up to the language front-end to install a hook if it has any such
codes that safe_from_p needs to know about. Since same_from_p will
semantics in cases that it doesn't want to handle specially. */
tree (*expr_size) (tree);
+ /* Convert a character from the host's to the target's character
+ set. The character should be in what C calls the "basic source
+ character set" (roughly, the set of characters defined by plain
+ old ASCII). The default is to return the character unchanged,
+ which is correct in most circumstances. Note that both argument
+ and result should be sign-extended under -fsigned-char,
+ zero-extended under -fno-signed-char. */
+ HOST_WIDE_INT (*to_target_charset) (HOST_WIDE_INT);
+
/* Pointers to machine-independent attribute tables, for front ends
using attribs.c. If one is NULL, it is ignored. Respectively, a
table of attributes specific to the language, a table of