/* The lang_hooks data structure.
- Copyright 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+ Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007
+ Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to
-the Free Software Foundation, 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
#ifndef GCC_LANG_HOOKS_H
#define GCC_LANG_HOOKS_H
/* This file should be #include-d after tree.h. */
struct diagnostic_context;
+struct diagnostic_info;
struct gimplify_omp_ctx;
+struct array_descr_info;
+
/* A print hook for print_tree (). */
typedef void (*lang_print_tree_hook) (FILE *, tree, int indent);
+enum classify_record
+ { RECORD_IS_STRUCT, RECORD_IS_CLASS, RECORD_IS_INTERFACE };
+
/* The following hooks are documented in langhooks.c. Must not be
NULL. */
struct lang_hooks_for_tree_inlining
{
- tree (*walk_subtrees) (tree *, int *,
- tree (*) (tree *, int *, void *),
- void *, struct pointer_set_t*);
- int (*cannot_inline_tree_fn) (tree *);
- int (*disregard_inline_limits) (tree);
- int (*auto_var_in_fn_p) (tree, tree);
bool (*var_mod_type_p) (tree, tree);
- tree (*convert_parm_for_inlining) (tree, tree, tree, int);
};
struct lang_hooks_for_callgraph
{
/* The node passed is a language-specific tree node. If its contents
are relevant to use of other declarations, mark them. */
- tree (*analyze_expr) (tree *, int *, tree);
+ tree (*analyze_expr) (tree *, int *);
- /* Produce RTL for function passed as argument. */
- void (*expand_function) (tree);
+ /* Emit thunks associated to function. */
+ void (*emit_associated_thunks) (tree);
};
/* Lang hooks for management of language-specific data or status
bool (*dump_tree) (void *, tree);
/* Determine type qualifiers in a language-specific way. */
- int (*type_quals) (tree);
+ int (*type_quals) (const_tree);
};
/* Hooks related to types. */
language-specific processing is required. */
tree (*make_type) (enum tree_code);
+ /* Return what kind of RECORD_TYPE this is, mainly for purposes of
+ debug information. If not defined, record types are assumed to
+ be structures. */
+ enum classify_record (*classify_record) (tree);
+
/* Given MODE and UNSIGNEDP, return a suitable type-tree with that
mode. */
tree (*type_for_mode) (enum machine_mode, int);
integer type with at least that precision. */
tree (*type_for_size) (unsigned, int);
- /* Given an integer type T, return a type like T but signed.
- If T is signed, the value is T. */
- tree (*signed_type) (tree);
-
- /* Return a type the same as TYPE except unsigned or signed
- according to UNSIGNEDP. */
- tree (*signed_or_unsigned_type) (int, tree);
-
/* True if the type is an instantiation of a generic type,
e.g. C++ template implicit specializations. */
- bool (*generic_p) (tree);
+ bool (*generic_p) (const_tree);
/* Given a type, apply default promotions to unnamed function
arguments and return the new type. Return the same type if no
invalid use of an incomplete type. VALUE is the expression that
was used (or 0 if that isn't known) and TYPE is the type that was
invalid. */
- void (*incomplete_type_error) (tree value, tree type);
+ void (*incomplete_type_error) (const_tree value, const_tree type);
/* Called from assign_temp to return the maximum size, if there is one,
for a type. */
- tree (*max_size) (tree);
+ tree (*max_size) (const_tree);
/* Register language specific type size variables as potentially OpenMP
firstprivate variables. */
void (*omp_firstprivatize_type_sizes) (struct gimplify_omp_ctx *, tree);
+ /* Return TRUE if TYPE1 and TYPE2 are identical for type hashing purposes.
+ Called only after doing all language independent checks.
+ At present, this function is only called when both TYPE1 and TYPE2 are
+ FUNCTION_TYPEs. */
+ bool (*type_hash_eq) (const_tree, const_tree);
+
+ /* Return TRUE if TYPE uses a hidden descriptor and fills in information
+ for the debugger about the array bounds, strides, etc. */
+ bool (*get_array_descr_info) (const_tree, struct array_descr_info *);
+
/* Nonzero if types that are identical are to be hashed so that only
one copy is kept. If a language requires unique types for each
user-specified type, such as Ada, this should be set to TRUE. */
/* Returns true when we should warn for an unused global DECL.
We will already have checked that it has static binding. */
- bool (*warn_unused_global) (tree);
+ bool (*warn_unused_global) (const_tree);
/* Obtain a list of globals and do final output on them at end
of compilation */
void (*final_write_globals) (void);
/* True if this decl may be called via a sibcall. */
- bool (*ok_for_sibcall) (tree);
+ bool (*ok_for_sibcall) (const_tree);
/* Return the COMDAT group into which this DECL should be placed.
It is known that the DECL belongs in *some* COMDAT group when
/* True if OpenMP should privatize what this DECL points to rather
than the DECL itself. */
- bool (*omp_privatize_by_reference) (tree);
+ bool (*omp_privatize_by_reference) (const_tree);
/* Return sharing kind if OpenMP sharing attribute of DECL is
predetermined, OMP_CLAUSE_DEFAULT_UNSPECIFIED otherwise. */
/* Called to obtain the alias set to be used for an expression or type.
Returns -1 if the language does nothing special for it. */
- HOST_WIDE_INT (*get_alias_set) (tree);
-
- /* Called with an expression that is to be processed as a constant.
- Returns either the same expression or a language-independent
- constant equivalent to its input. */
- tree (*expand_constant) (tree);
+ alias_set_type (*get_alias_set) (tree);
/* Called by expand_expr for language-specific tree codes.
Fourth argument is actually an enum expand_modifier. */
int (*types_compatible_p) (tree x, tree y);
/* Given a CALL_EXPR, return a function decl that is its target. */
- tree (*lang_get_callee_fndecl) (tree);
+ tree (*lang_get_callee_fndecl) (const_tree);
/* Called by report_error_function to print out function name. */
- void (*print_error_function) (struct diagnostic_context *, const char *);
+ void (*print_error_function) (struct diagnostic_context *, const char *,
+ struct diagnostic_info *);
/* Called from expr_size to calculate the size of the value of an
expression in a language-dependent way. Returns a tree for the size
in bytes. A frontend can call lhd_expr_size to get the default
semantics in cases that it doesn't want to handle specially. */
- tree (*expr_size) (tree);
+ tree (*expr_size) (const_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
int function_code, enum built_in_class cl,
const char *library_name,
tree attrs);
-extern tree lhd_signed_or_unsigned_type (int unsignedp, tree type);
#endif /* GCC_LANG_HOOKS_H */