/* Definitions for c-common.c.
Copyright (C) 1987, 1993, 1994, 1995, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of GCC.
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, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA. */
#ifndef GCC_C_COMMON_H
#define GCC_C_COMMON_H
0: TREE_NEGATED_INT (in INTEGER_CST).
IDENTIFIER_MARKED (used by search routines).
DECL_PRETTY_FUNCTION_P (in VAR_DECL)
- STMT_EXPR_NO_SCOPE (in STMT_EXPR)
1: C_DECLARED_LABEL_FLAG (in LABEL_DECL)
- STMT_IS_FULL_EXPR_P (in _STMT)
STATEMENT_LIST_STMT_EXPR (in STATEMENT_LIST)
2: unused
3: STATEMENT_LIST_HAS_LABEL (in STATEMENT_LIST)
/* C extensions */
RID_ASM, RID_TYPEOF, RID_ALIGNOF, RID_ATTRIBUTE, RID_VA_ARG,
- RID_EXTENSION, RID_IMAGPART, RID_REALPART, RID_LABEL, RID_PTRBASE,
- RID_PTREXTENT, RID_PTRVALUE, RID_CHOOSE_EXPR, RID_TYPES_COMPATIBLE_P,
+ RID_EXTENSION, RID_IMAGPART, RID_REALPART, RID_LABEL, RID_CHOOSE_EXPR,
+ RID_TYPES_COMPATIBLE_P,
/* Too many ways of getting the name of a function as a string */
RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME, RID_C99_FUNCTION_NAME,
RID_CONSTCAST, RID_DYNCAST, RID_REINTCAST, RID_STATCAST,
/* Objective-C */
- RID_ID, RID_AT_ENCODE, RID_AT_END,
+ RID_AT_ENCODE, RID_AT_END,
RID_AT_CLASS, RID_AT_ALIAS, RID_AT_DEFS,
RID_AT_PRIVATE, RID_AT_PROTECTED, RID_AT_PUBLIC,
RID_AT_PROTOCOL, RID_AT_SELECTOR,
};
#define OBJC_IS_AT_KEYWORD(rid) \
- ((unsigned int)(rid) >= (unsigned int)RID_FIRST_AT && \
- (unsigned int)(rid) <= (unsigned int)RID_LAST_AT)
+ ((unsigned int) (rid) >= (unsigned int) RID_FIRST_AT && \
+ (unsigned int) (rid) <= (unsigned int) RID_LAST_AT)
#define OBJC_IS_PQ_KEYWORD(rid) \
- ((unsigned int)(rid) >= (unsigned int)RID_FIRST_PQ && \
- (unsigned int)(rid) <= (unsigned int)RID_LAST_PQ)
+ ((unsigned int) (rid) >= (unsigned int) RID_FIRST_PQ && \
+ (unsigned int) (rid) <= (unsigned int) RID_LAST_PQ)
/* The elements of `ridpointers' are identifier nodes for the reserved
type names and storage classes. It is indexed by a RID_... value. */
-extern GTY ((length ("(int)RID_MAX"))) tree *ridpointers;
+extern GTY ((length ("(int) RID_MAX"))) tree *ridpointers;
/* Standard named or nameless data types of the C compiler. */
CTI_VOID_ZERO,
+ CTI_NULL,
+
CTI_MAX
};
/* A node for `((void) 0)'. */
#define void_zero_node c_global_trees[CTI_VOID_ZERO]
+/* The node for C++ `__null'. */
+#define null_node c_global_trees[CTI_NULL]
+
extern GTY(()) tree c_global_trees[CTI_MAX];
/* In a RECORD_TYPE, a sorted array of the fields of the type, not a
These may be shadowed, and may be referenced from nested functions. */
#define C_DECLARED_LABEL_FLAG(label) TREE_LANG_FLAG_1 (label)
-/* Flag strings given by __FUNCTION__ and __PRETTY_FUNCTION__ for a
- warning if they undergo concatenation. */
-#define C_ARTIFICIAL_STRING_P(NODE) TREE_LANG_FLAG_0 (NODE)
-
typedef enum c_language_kind
{
clk_c = 0, /* C90, C94 or C99 */
/* Information about a statement tree. */
struct stmt_tree_s GTY(()) {
- /* The current statment list being collected. */
+ /* The current statement list being collected. */
tree x_cur_stmt_list;
/* In C++, Nonzero if we should treat statements as full
struct stmt_tree_s x_stmt_tree;
};
-/* When building a statement-tree, this is the current statment list
+/* When building a statement-tree, this is the current statement list
being collected. It's TREE_CHAIN is a back-pointer to the previous
- statment list. */
+ statement list. */
#define cur_stmt_list (current_stmt_tree ()->x_cur_stmt_list)
/* Language-specific hooks. */
-extern void (*lang_expand_function_end) (void);
-
/* Callback that determines if it's ok for a function to have no
noreturn attribute. */
extern int (*lang_missing_noreturn_ok_p) (tree);
extern int yyparse (void);
extern stmt_tree current_stmt_tree (void);
extern tree push_stmt_list (void);
-extern tree re_push_stmt_list (tree);
extern tree pop_stmt_list (tree);
extern tree add_stmt (tree);
extern void push_cleanup (tree, tree, bool);
-extern tree walk_stmt_tree (tree *, walk_tree_fn, void *);
extern int c_expand_decl (tree);
extern int field_decl_cmp (const void *, const void *);
/* Nonzero means to treat bitfields as signed unless they say `unsigned'. */
extern int flag_signed_bitfields;
-extern int explicit_flag_signed_bitfields;
/* Nonzero means warn about deprecated conversion from string constant to
`char *'. */
extern int flag_gen_declaration;
-/* Generate code for GNU or NeXT runtime environment. */
-
-extern int flag_next_runtime;
-
/* Tells the compiler that this is a special run. Do not perform any
compiling, instead we are to test some platform dependent features
and output a C header file with appropriate definitions. */
extern int warn_implicit;
+/* Warn about using __null (as NULL in C++) as sentinel. For code compiled
+ with GCC this doesn't matter as __null is guaranteed to have the right
+ size. */
+
+extern int warn_strict_null_sentinel;
+
/* Maximum template instantiation depth. This limit is rather
arbitrary, but it exists to limit the time it takes to notice
infinite template instantiations. */
extern const char *fname_as_string (int);
extern tree fname_decl (unsigned, tree);
-extern void check_function_arguments (tree, tree);
+extern void check_function_arguments (tree, tree, tree);
extern void check_function_arguments_recurse (void (*)
(void *, tree,
unsigned HOST_WIDE_INT),
extern tree c_common_signed_or_unsigned_type (int, tree);
extern tree c_common_truthvalue_conversion (tree);
extern void c_apply_type_quals_to_decl (int, tree);
-extern tree c_sizeof_or_alignof_type (tree, enum tree_code, int);
+extern tree c_sizeof_or_alignof_type (tree, bool, int);
extern tree c_alignof_expr (tree);
/* Print an error message for invalid operands to arith operation CODE.
NOP_EXPR is used as a special case (see truthvalue_conversion). */
extern tree fix_string_type (tree);
struct varray_head_tag;
extern void constant_expression_warning (tree);
+extern void strict_aliasing_warning(tree, tree, tree);
extern tree convert_and_check (tree, tree);
extern void overflow_warning (tree);
extern void unsigned_conversion_warning (tree, tree);
extern bool c_determine_visibility (tree);
+extern bool same_scalar_type_ignoring_signedness (tree, tree);
-#define c_sizeof(T) c_sizeof_or_alignof_type (T, SIZEOF_EXPR, 1)
-#define c_alignof(T) c_sizeof_or_alignof_type (T, ALIGNOF_EXPR, 1)
+#define c_sizeof(T) c_sizeof_or_alignof_type (T, true, 1)
+#define c_alignof(T) c_sizeof_or_alignof_type (T, false, 1)
/* Subroutine of build_binary_op, used for comparison operations.
See if the operands have both been converted from subword integer types
frontends. */
extern void c_common_nodes_and_builtins (void);
+extern void set_builtin_user_assembler_name (tree decl, const char *asmspec);
+
extern void disable_builtin_function (const char *);
extern tree build_va_arg (tree, tree);
extern int self_promoting_args_p (tree);
extern tree strip_array_types (tree);
extern tree strip_pointer_operator (tree);
+extern HOST_WIDE_INT c_common_to_target_charset (HOST_WIDE_INT);
/* This is the basic parsing function. */
extern void c_parse_file (void);
/* This is misnamed, it actually performs end-of-compilation processing. */
extern void finish_file (void);
-/* These macros provide convenient access to the various _STMT nodes. */
-/* Nonzero if this statement should be considered a full-expression,
- i.e., if temporaries created during this statement should have
- their destructors run at the end of this statement. (In C, this
- will always be false, since there are no destructors.) */
-#define STMT_IS_FULL_EXPR_P(NODE) TREE_LANG_FLAG_1 ((NODE))
+/* These macros provide convenient access to the various _STMT nodes. */
/* Nonzero if a given STATEMENT_LIST represents the outermost binding
if a statement expression. */
#define STATEMENT_LIST_HAS_LABEL(NODE) \
TREE_LANG_FLAG_3 (STATEMENT_LIST_CHECK (NODE))
-/* WHILE_STMT accessors. These give access to the condition of the
- while statement and the body of the while statement, respectively. */
-#define WHILE_COND(NODE) TREE_OPERAND (WHILE_STMT_CHECK (NODE), 0)
-#define WHILE_BODY(NODE) TREE_OPERAND (WHILE_STMT_CHECK (NODE), 1)
-
-/* DO_STMT accessors. These give access to the condition of the do
- statement and the body of the do statement, respectively. */
-#define DO_COND(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 0)
-#define DO_BODY(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 1)
-
-/* EXPR_STMT accessor. This gives the expression associated with an
- expression statement. */
-#define EXPR_STMT_EXPR(NODE) TREE_OPERAND (EXPR_STMT_CHECK (NODE), 0)
-
-/* FOR_STMT accessors. These give access to the init statement,
- condition, update expression, and body of the for statement,
- respectively. */
-#define FOR_INIT_STMT(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 0)
-#define FOR_COND(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 1)
-#define FOR_EXPR(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 2)
-#define FOR_BODY(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 3)
-
-#define SWITCH_TYPE(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 2)
-
-/* STMT_EXPR accessor. */
-#define STMT_EXPR_STMT(NODE) TREE_OPERAND (STMT_EXPR_CHECK (NODE), 0)
-
-/* Nonzero if this statement-expression does not have an associated scope. */
-#define STMT_EXPR_NO_SCOPE(NODE) \
- TREE_LANG_FLAG_0 (STMT_EXPR_CHECK (NODE))
-
/* COMPOUND_LITERAL_EXPR accessors. */
#define COMPOUND_LITERAL_EXPR_DECL_STMT(NODE) \
TREE_OPERAND (COMPOUND_LITERAL_EXPR_CHECK (NODE), 0)
#undef DEFTREECODE
-#define c_common_stmt_codes \
- EXPR_STMT, FOR_STMT, \
- WHILE_STMT, DO_STMT, \
- BREAK_STMT, CONTINUE_STMT, SWITCH_STMT
-
-/* TRUE if a code represents a statement. The front end init
- langhook should take care of initialization of this array. */
-extern bool statement_code_p[MAX_TREE_CODES];
-
-#define STATEMENT_CODE_P(CODE) statement_code_p[(int) (CODE)]
-
-#define INIT_STATEMENT_CODES(STMT_CODES) \
- do { \
- unsigned int i; \
- memset (&statement_code_p, 0, sizeof (statement_code_p)); \
- for (i = 0; i < ARRAY_SIZE (STMT_CODES); i++) \
- statement_code_p[STMT_CODES[i]] = true; \
- } while (0)
-
-extern int stmts_are_full_exprs_p (void);
extern int anon_aggr_type_p (tree);
/* For a VAR_DECL that is an anonymous union, these are the various
extern tree do_case (tree, tree);
extern tree build_stmt (enum tree_code, ...);
extern tree build_case_label (tree, tree, tree);
-extern tree build_continue_stmt (void);
-extern tree build_break_stmt (void);
/* These functions must be defined by each front-end which implements
a variant of the C language. They are used in c-common.c. */
extern tree build_unary_op (enum tree_code, tree, int);
extern tree build_binary_op (enum tree_code, tree, tree, int);
-extern int lvalue_p (tree);
-extern tree default_conversion (tree);
+extern tree perform_integral_promotions (tree);
/* Given two integer or real types, return the type for their sum.
Given two compatible ANSI C types, returns the merged type. */
/* Handle increment and decrement of boolean types. */
extern tree boolean_increment (enum tree_code, tree);
-/* Hook currently used only by the C++ front end to reset internal state
- after entering or leaving a header file. */
-extern void extract_interface_info (void);
-
extern int case_compare (splay_tree_key, splay_tree_key);
extern tree c_add_case_label (splay_tree, tree, tree, tree, tree);
-extern void c_do_switch_warnings (splay_tree, tree);
+extern void c_do_switch_warnings (splay_tree, location_t, tree, tree);
extern tree build_function_call (tree, tree);
+extern tree resolve_overloaded_builtin (tree, tree);
+
extern tree finish_label_address_expr (tree);
/* Same function prototype, but the C and C++ front ends have
different implementations. Used in c-common.c. */
extern tree lookup_label (tree);
+extern tree lookup_name (tree);
extern int vector_types_convertible_p (tree t1, tree t2);
extern tree c_staticp (tree);
-extern int c_common_unsafe_for_reeval (tree);
-
extern void init_c_lex (void);
extern void c_cpp_builtins (cpp_reader *);
struct c_fileinfo
{
int time; /* Time spent in the file. */
- short interface_only; /* Flags - used only by C++ */
+
+ /* Flags used only by C++.
+ INTERFACE_ONLY nonzero means that we are in an "interface" section
+ of the compiler. INTERFACE_UNKNOWN nonzero means we cannot trust
+ the value of INTERFACE_ONLY. If INTERFACE_UNKNOWN is zero and
+ INTERFACE_ONLY is zero, it means that we are responsible for
+ exporting definitions that others might need. */
+ short interface_only;
short interface_unknown;
};
extern tree fold_offsetof (tree);
+/* Places where an lvalue, or modifiable lvalue, may be required.
+ Used to select diagnostic messages in lvalue_error and
+ readonly_error. */
+enum lvalue_use {
+ lv_assign,
+ lv_increment,
+ lv_decrement,
+ lv_addressof,
+ lv_asm
+};
+
+extern void lvalue_error (enum lvalue_use);
+
+extern int complete_array_type (tree *, tree, bool);
+
+extern tree builtin_type_for_size (int, bool);
+
+extern void warn_array_subscript_with_type_char (tree);
+
/* In c-gimplify.c */
extern void c_genericize (tree);
extern int c_gimplify_expr (tree *, tree *, tree *);
extern void c_common_write_pch (void);
extern void c_common_no_more_pch (void);
extern void c_common_pch_pragma (cpp_reader *pfile);
+extern void c_common_print_pch_checksum (FILE *f);
+
+/* In *-checksum.c */
+extern const unsigned char executable_checksum[16];
extern void builtin_define_with_value (const char *, const char *, int);
extern void c_stddef_cpp_builtins (void);
extern tree objc_is_object_ptr (tree);
extern void objc_check_decl (tree);
extern int objc_is_reserved_word (tree);
-extern int objc_comptypes (tree, tree, int);
+extern bool objc_compare_types (tree, tree, int, tree);
+extern void objc_volatilize_decl (tree);
+extern bool objc_type_quals_match (tree, tree);
+extern tree objc_rewrite_function_call (tree, tree);
extern tree objc_message_selector (void);
-extern tree objc_lookup_ivar (tree);
+extern tree objc_lookup_ivar (tree, tree);
extern void objc_clear_super_receiver (void);
extern int objc_is_public (tree, tree);
extern tree objc_is_id (tree);
extern void objc_finish_implementation (void);
extern void objc_set_visibility (int);
extern void objc_set_method_type (enum tree_code);
-extern tree objc_build_method_signature (tree, tree, tree);
+extern tree objc_build_method_signature (tree, tree, tree, bool);
extern void objc_add_method_declaration (tree);
extern void objc_start_method_definition (tree);
extern void objc_finish_method_definition (tree);
extern tree objc_build_keyword_decl (tree, tree, tree);
extern tree objc_build_throw_stmt (tree);
extern void objc_begin_try_stmt (location_t, tree);
-extern void objc_finish_try_stmt (void);
+extern tree objc_finish_try_stmt (void);
extern void objc_begin_catch_clause (tree);
extern void objc_finish_catch_clause (void);
extern void objc_build_finally_clause (location_t, tree);
-extern void objc_build_synchronized (location_t, tree, tree);
+extern tree objc_build_synchronized (location_t, tree, tree);
extern int objc_static_init_needed_p (void);
extern tree objc_generate_static_init_call (tree);
+extern tree objc_generate_write_barrier (tree, enum tree_code, tree);
/* The following are provided by the C and C++ front-ends, and called by
ObjC/ObjC++. */
extern void preprocess_file (cpp_reader *);
extern void pp_file_change (const struct line_map *);
extern void pp_dir_change (cpp_reader *, const char *);
+extern bool check_missing_format_attribute (tree, tree);
+
+/* In order for the format checking to accept the C frontend
+ diagnostic framework extensions, you must include this file before
+ toplev.h, not after. The C front end formats are a subset of those
+ for C++, so they are the appropriate set to use in common code;
+ cp-tree.h overrides this for C++. */
+#ifndef GCC_DIAG_STYLE
+#define GCC_DIAG_STYLE __gcc_cdiag__
+#endif
#endif /* ! GCC_C_COMMON_H */
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