/* 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, 2007, 2008, 2009
+ 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) any later
+Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
#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)
+ C_MAYBE_CONST_EXPR_INT_OPERANDS (in C_MAYBE_CONST_EXPR, for C)
1: C_DECLARED_LABEL_FLAG (in LABEL_DECL)
- STMT_IS_FULL_EXPR_P (in _STMT)
STATEMENT_LIST_STMT_EXPR (in STATEMENT_LIST)
+ C_MAYBE_CONST_EXPR_NON_CONST (in C_MAYBE_CONST_EXPR, for C)
2: unused
- 3: unused
+ 3: STATEMENT_LIST_HAS_LABEL (in STATEMENT_LIST)
4: unused
*/
RID_VOLATILE, RID_SIGNED, RID_AUTO, RID_RESTRICT,
/* C extensions */
- RID_COMPLEX, RID_THREAD,
+ RID_COMPLEX, RID_THREAD, RID_SAT,
/* C++ */
RID_FRIEND, RID_VIRTUAL, RID_EXPLICIT, RID_EXPORT, RID_MUTABLE,
/* ObjC */
RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF, RID_ONEWAY,
+ /* C (reserved and imaginary types not implemented, so any use is a
+ syntax error) */
+ RID_IMAGINARY,
+
/* C */
RID_INT, RID_CHAR, RID_FLOAT, RID_DOUBLE, RID_VOID,
RID_ENUM, RID_STRUCT, RID_UNION, RID_IF, RID_ELSE,
/* 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,
+ RID_DFLOAT32, RID_DFLOAT64, RID_DFLOAT128,
+ RID_FRACT, RID_ACCUM,
+
+ /* This means to warn that this is a C++ keyword, and then treat it
+ as a normal identifier. */
+ RID_CXX_COMPAT_WARN,
/* 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_PUBLIC, RID_PRIVATE, RID_PROTECTED,
RID_TEMPLATE, RID_NULL, RID_CATCH,
RID_DELETE, RID_FALSE, RID_NAMESPACE,
- RID_NEW, RID_OFFSETOF, RID_OPERATOR,
- RID_THIS, RID_THROW, RID_TRUE,
- RID_TRY, RID_TYPENAME, RID_TYPEID,
- RID_USING,
+ RID_NEW, RID_OFFSETOF, RID_OPERATOR,
+ RID_THIS, RID_THROW, RID_TRUE,
+ RID_TRY, RID_TYPENAME, RID_TYPEID,
+ RID_USING, RID_CHAR16, RID_CHAR32,
/* casts */
RID_CONSTCAST, RID_DYNCAST, RID_REINTCAST, RID_STATCAST,
+ /* C++ extensions */
+ RID_HAS_NOTHROW_ASSIGN, RID_HAS_NOTHROW_CONSTRUCTOR,
+ RID_HAS_NOTHROW_COPY, RID_HAS_TRIVIAL_ASSIGN,
+ RID_HAS_TRIVIAL_CONSTRUCTOR, RID_HAS_TRIVIAL_COPY,
+ RID_HAS_TRIVIAL_DESTRUCTOR, RID_HAS_VIRTUAL_DESTRUCTOR,
+ RID_IS_ABSTRACT, RID_IS_BASE_OF,
+ RID_IS_CONVERTIBLE_TO, RID_IS_CLASS,
+ RID_IS_EMPTY, RID_IS_ENUM,
+ RID_IS_POD, RID_IS_POLYMORPHIC,
+ RID_IS_UNION,
+
+ /* C++0x */
+ RID_STATIC_ASSERT, RID_DECLTYPE,
+
/* 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,
+ RID_AT_PROTOCOL, RID_AT_SELECTOR,
RID_AT_THROW, RID_AT_TRY, RID_AT_CATCH,
RID_AT_FINALLY, RID_AT_SYNCHRONIZED,
RID_AT_INTERFACE,
RID_FIRST_MODIFIER = RID_STATIC,
RID_LAST_MODIFIER = RID_ONEWAY,
+ RID_FIRST_CXX0X = RID_STATIC_ASSERT,
+ RID_LAST_CXX0X = RID_DECLTYPE,
RID_FIRST_AT = RID_AT_ENCODE,
RID_LAST_AT = RID_AT_IMPLEMENTATION,
RID_FIRST_PQ = RID_IN,
};
#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. */
enum c_tree_index
{
+ CTI_CHAR16_TYPE,
+ CTI_CHAR32_TYPE,
CTI_WCHAR_TYPE,
- CTI_SIGNED_WCHAR_TYPE,
- CTI_UNSIGNED_WCHAR_TYPE,
+ CTI_UNDERLYING_WCHAR_TYPE,
CTI_WINT_TYPE,
CTI_SIGNED_SIZE_TYPE, /* For format checking only. */
CTI_UNSIGNED_PTRDIFF_TYPE, /* For format checking only. */
CTI_WIDEST_INT_LIT_TYPE,
CTI_WIDEST_UINT_LIT_TYPE,
+ /* Types for <stdint.h>, that may not be defined on all
+ targets. */
+ CTI_SIG_ATOMIC_TYPE,
+ CTI_INT8_TYPE,
+ CTI_INT16_TYPE,
+ CTI_INT32_TYPE,
+ CTI_INT64_TYPE,
+ CTI_UINT8_TYPE,
+ CTI_UINT16_TYPE,
+ CTI_UINT32_TYPE,
+ CTI_UINT64_TYPE,
+ CTI_INT_LEAST8_TYPE,
+ CTI_INT_LEAST16_TYPE,
+ CTI_INT_LEAST32_TYPE,
+ CTI_INT_LEAST64_TYPE,
+ CTI_UINT_LEAST8_TYPE,
+ CTI_UINT_LEAST16_TYPE,
+ CTI_UINT_LEAST32_TYPE,
+ CTI_UINT_LEAST64_TYPE,
+ CTI_INT_FAST8_TYPE,
+ CTI_INT_FAST16_TYPE,
+ CTI_INT_FAST32_TYPE,
+ CTI_INT_FAST64_TYPE,
+ CTI_UINT_FAST8_TYPE,
+ CTI_UINT_FAST16_TYPE,
+ CTI_UINT_FAST32_TYPE,
+ CTI_UINT_FAST64_TYPE,
+ CTI_INTPTR_TYPE,
+ CTI_UINTPTR_TYPE,
+
CTI_CHAR_ARRAY_TYPE,
+ CTI_CHAR16_ARRAY_TYPE,
+ CTI_CHAR32_ARRAY_TYPE,
CTI_WCHAR_ARRAY_TYPE,
CTI_INT_ARRAY_TYPE,
CTI_STRING_TYPE,
CTI_PRETTY_FUNCTION_NAME_DECL,
CTI_C99_FUNCTION_NAME_DECL,
CTI_SAVED_FUNCTION_NAME_DECLS,
-
+
CTI_VOID_ZERO,
+ CTI_NULL,
+
CTI_MAX
};
-#define C_RID_CODE(id) (((struct c_common_identifier *) (id))->node.rid_code)
+#define C_CPP_HASHNODE(id) \
+ (&(((struct c_common_identifier *) (id))->node))
+#define C_RID_CODE(id) \
+ ((enum rid) (((struct c_common_identifier *) (id))->node.rid_code))
+#define C_SET_RID_CODE(id, code) \
+ (((struct c_common_identifier *) (id))->node.rid_code = (unsigned char) code)
/* Identifier part common to the C front ends. Inherits from
tree_identifier, despite appearances. */
-struct c_common_identifier GTY(())
-{
+struct GTY(()) c_common_identifier {
struct tree_common common;
struct cpp_hashnode node;
};
+/* An entry in the reserved keyword table. */
+
+struct c_common_resword
+{
+ const char *const word;
+ ENUM_BITFIELD(rid) const rid : 16;
+ const unsigned int disable : 16;
+};
+
+/* Disable mask. Keywords are disabled if (reswords[i].disable &
+ mask) is _true_. Thus for keywords which are present in all
+ languages the disable field is zero. */
+
+#define D_CONLY 0x001 /* C only (not in C++). */
+#define D_CXXONLY 0x002 /* C++ only (not in C). */
+#define D_C99 0x004 /* In C, C99 only. */
+#define D_CXX0X 0x008 /* In C++, C++0X only. */
+#define D_EXT 0x010 /* GCC extension. */
+#define D_EXT89 0x020 /* GCC extension incorporated in C99. */
+#define D_ASM 0x040 /* Disabled by -fno-asm. */
+#define D_OBJC 0x080 /* In Objective C and neither C nor C++. */
+#define D_CXX_OBJC 0x100 /* In Objective C, and C++, but not C. */
+#define D_CXXWARN 0x200 /* In C warn with -Wcxx-compat. */
+
+/* The reserved keyword table. */
+extern const struct c_common_resword c_common_reswords[];
+
+/* The number of items in the reserved keyword table. */
+extern const unsigned int num_c_common_reswords;
+
+#define char16_type_node c_global_trees[CTI_CHAR16_TYPE]
+#define char32_type_node c_global_trees[CTI_CHAR32_TYPE]
#define wchar_type_node c_global_trees[CTI_WCHAR_TYPE]
-#define signed_wchar_type_node c_global_trees[CTI_SIGNED_WCHAR_TYPE]
-#define unsigned_wchar_type_node c_global_trees[CTI_UNSIGNED_WCHAR_TYPE]
+#define underlying_wchar_type_node c_global_trees[CTI_UNDERLYING_WCHAR_TYPE]
#define wint_type_node c_global_trees[CTI_WINT_TYPE]
#define signed_size_type_node c_global_trees[CTI_SIGNED_SIZE_TYPE]
#define unsigned_ptrdiff_type_node c_global_trees[CTI_UNSIGNED_PTRDIFF_TYPE]
#define widest_integer_literal_type_node c_global_trees[CTI_WIDEST_INT_LIT_TYPE]
#define widest_unsigned_literal_type_node c_global_trees[CTI_WIDEST_UINT_LIT_TYPE]
+#define sig_atomic_type_node c_global_trees[CTI_SIG_ATOMIC_TYPE]
+#define int8_type_node c_global_trees[CTI_INT8_TYPE]
+#define int16_type_node c_global_trees[CTI_INT16_TYPE]
+#define int32_type_node c_global_trees[CTI_INT32_TYPE]
+#define int64_type_node c_global_trees[CTI_INT64_TYPE]
+#define uint8_type_node c_global_trees[CTI_UINT8_TYPE]
+#define uint16_type_node c_global_trees[CTI_UINT16_TYPE]
+#define c_uint32_type_node c_global_trees[CTI_UINT32_TYPE]
+#define c_uint64_type_node c_global_trees[CTI_UINT64_TYPE]
+#define int_least8_type_node c_global_trees[CTI_INT_LEAST8_TYPE]
+#define int_least16_type_node c_global_trees[CTI_INT_LEAST16_TYPE]
+#define int_least32_type_node c_global_trees[CTI_INT_LEAST32_TYPE]
+#define int_least64_type_node c_global_trees[CTI_INT_LEAST64_TYPE]
+#define uint_least8_type_node c_global_trees[CTI_UINT_LEAST8_TYPE]
+#define uint_least16_type_node c_global_trees[CTI_UINT_LEAST16_TYPE]
+#define uint_least32_type_node c_global_trees[CTI_UINT_LEAST32_TYPE]
+#define uint_least64_type_node c_global_trees[CTI_UINT_LEAST64_TYPE]
+#define int_fast8_type_node c_global_trees[CTI_INT_FAST8_TYPE]
+#define int_fast16_type_node c_global_trees[CTI_INT_FAST16_TYPE]
+#define int_fast32_type_node c_global_trees[CTI_INT_FAST32_TYPE]
+#define int_fast64_type_node c_global_trees[CTI_INT_FAST64_TYPE]
+#define uint_fast8_type_node c_global_trees[CTI_UINT_FAST8_TYPE]
+#define uint_fast16_type_node c_global_trees[CTI_UINT_FAST16_TYPE]
+#define uint_fast32_type_node c_global_trees[CTI_UINT_FAST32_TYPE]
+#define uint_fast64_type_node c_global_trees[CTI_UINT_FAST64_TYPE]
+#define intptr_type_node c_global_trees[CTI_INTPTR_TYPE]
+#define uintptr_type_node c_global_trees[CTI_UINTPTR_TYPE]
+
#define truthvalue_type_node c_global_trees[CTI_TRUTHVALUE_TYPE]
#define truthvalue_true_node c_global_trees[CTI_TRUTHVALUE_TRUE]
#define truthvalue_false_node c_global_trees[CTI_TRUTHVALUE_FALSE]
#define char_array_type_node c_global_trees[CTI_CHAR_ARRAY_TYPE]
+#define char16_array_type_node c_global_trees[CTI_CHAR16_ARRAY_TYPE]
+#define char32_array_type_node c_global_trees[CTI_CHAR32_ARRAY_TYPE]
#define wchar_array_type_node c_global_trees[CTI_WCHAR_ARRAY_TYPE]
#define int_array_type_node c_global_trees[CTI_INT_ARRAY_TYPE]
#define string_type_node c_global_trees[CTI_STRING_TYPE]
/* 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
tree for size reasons. */
-struct sorted_fields_type GTY(())
-{
+struct GTY(()) sorted_fields_type {
int len;
tree GTY((length ("%h.len"))) elts[1];
};
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. */
+struct GTY(()) stmt_tree_s {
+ /* The current statement list being collected. */
tree x_cur_stmt_list;
/* In C++, Nonzero if we should treat statements as full
/* Global state pertinent to the current function. Some C dialects
extend this structure with additional fields. */
-struct c_language_function GTY(()) {
+struct GTY(()) c_language_function {
/* While we are parsing the function, this contains information
about the statement-tree that we are building. */
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);
+/* If non-NULL, this function is called after a precompile header file
+ is loaded. */
+extern void (*lang_post_pch_load) (void);
extern void push_file_scope (void);
extern void pop_file_scope (void);
-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 pushdecl_top_level (tree);
+extern tree pushdecl (tree);
+extern tree build_modify_expr (location_t, tree, tree, enum tree_code,
+ tree, tree);
+extern tree build_indirect_ref (location_t, tree, const char *);
-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 *);
-extern void resort_sorted_fields (void *, void *, gt_pointer_operator,
- void *);
-extern bool has_c_linkage (tree decl);
+extern void resort_sorted_fields (void *, void *, gt_pointer_operator,
+ void *);
+extern bool has_c_linkage (const_tree decl);
\f
/* Switches common to the C front ends. */
extern char flag_no_output;
-/* Nonzero means dump macros in some fashion; contains the 'D', 'M' or
- 'N' of the command line switch. */
+/* Nonzero means dump macros in some fashion; contains the 'D', 'M',
+ 'N' or 'U' of the command line switch. */
extern char flag_dump_macros;
extern int flag_short_wchar;
+/* Nonzero means allow implicit conversions between vectors with
+ differing numbers of subparts and/or differing element types. */
+extern int flag_lax_vector_conversions;
+
/* Nonzero means allow Microsoft extensions without warnings or errors. */
extern int flag_ms_extensions;
/* 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 warn_write_strings;
+/* Warn about #pragma directives that are not recognized. */
-/* Warn about #pragma directives that are not recognized. */
-
-extern int warn_unknown_pragmas; /* Tri state variable. */
+extern int warn_unknown_pragmas; /* Tri state variable. */
/* Warn about format/argument anomalies in calls to formatted I/O functions
(*printf, *scanf, strftime, strfmon, etc.). */
extern int flag_hosted;
-/* Warn if main is suspicious. */
-
-extern int warn_main;
-
-
/* ObjC language option variables. */
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 flag_check_new;
+/* The supported C++ dialects. */
+
+enum cxx_dialect {
+ /* C++98 */
+ cxx98,
+ /* Experimental features that are likely to become part of
+ C++0x. */
+ cxx0x
+};
+
+/* The C++ dialect being used. C++98 is the default. */
+extern enum cxx_dialect cxx_dialect;
+
/* Nonzero if we want the new ISO rules for pushing a new scope for `for'
initialization variables.
0: Old rules, set by -fno-for-scope.
extern int flag_use_cxa_atexit;
-/* Nonzero means make the default pedwarns warnings instead of errors.
- The value of this flag is ignored if -pedantic is specified. */
+/* Nonzero to use __cxa_get_exception_ptr in the C++ exception-handling
+ logic. */
-extern int flag_permissive;
+extern int flag_use_cxa_get_exception_ptr;
/* Nonzero means to implement standard semantics for exception
specifications, calling unexpected if an exception is thrown that
extern int flag_enforce_eh_specs;
+/* Nonzero (the default) means to generate thread-safe code for
+ initializing local statics. */
+
+extern int flag_threadsafe_statics;
+
+/* Nonzero if we want to pretty-print template specializations as the
+ template signature followed by the arguments. */
+
+extern int flag_pretty_templates;
+
/* Nonzero means warn about implicit declarations. */
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 int skip_evaluation;
+/* Whether lexing has been completed, so subsequent preprocessor
+ errors should use the compiler's input_location. */
+
+extern bool done_lexing;
+
/* C types are partitioned into three subsets: object, function, and
incomplete types. */
#define C_TYPE_OBJECT_P(type) \
#define C_TYPE_OBJECT_OR_INCOMPLETE_P(type) \
(!C_TYPE_FUNCTION_P (type))
-/* Record in each node resulting from a binary operator
- what operator was specified for it. */
-#define C_EXP_ORIGINAL_CODE(exp) ((enum tree_code) TREE_COMPLEXITY (exp))
-
/* Attribute table common to the C front ends. */
extern const struct attribute_spec c_common_attribute_table[];
extern const struct attribute_spec c_common_format_attribute_table[];
extern void start_fname_decls (void);
extern void finish_fname_decls (void);
extern const char *fname_as_string (int);
-extern tree fname_decl (unsigned, tree);
+extern tree fname_decl (location_t, unsigned, tree);
-extern void check_function_arguments (tree, tree);
+extern void check_function_arguments (tree, int, tree *, tree);
extern void check_function_arguments_recurse (void (*)
(void *, tree,
unsigned HOST_WIDE_INT),
void *, tree,
unsigned HOST_WIDE_INT);
-extern void check_function_format (int *, tree, tree);
+extern bool check_builtin_function_arguments (tree, int, tree *);
+extern void check_function_format (tree, int, tree *);
extern void set_Wformat (int);
extern tree handle_format_attribute (tree *, tree, tree, int, bool *);
extern tree handle_format_arg_attribute (tree *, tree, tree, int, bool *);
extern bool c_common_missing_argument (const char *opt, size_t code);
extern tree c_common_type_for_mode (enum machine_mode, int);
extern tree c_common_type_for_size (unsigned int, int);
+extern tree c_common_fixed_point_type_for_size (unsigned int, unsigned int,
+ int, int);
extern tree c_common_unsigned_type (tree);
extern tree c_common_signed_type (tree);
extern tree c_common_signed_or_unsigned_type (int, tree);
-extern tree c_common_truthvalue_conversion (tree);
+extern tree c_build_bitfield_integer_type (unsigned HOST_WIDE_INT, int);
+extern bool decl_with_nonnull_addr_p (const_tree);
+extern tree c_fully_fold (tree, bool, bool *);
+extern tree decl_constant_value_for_optimization (tree);
+extern tree c_save_expr (tree);
+extern tree c_common_truthvalue_conversion (location_t, 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 void binary_op_error (enum tree_code);
-#define my_friendly_assert(EXP, N) (void) \
- (((EXP) == 0) ? (fancy_abort (__FILE__, __LINE__, __FUNCTION__), 0) : 0)
-
-/* Validate the expression after `case' and apply default promotions. */
-extern tree check_case_value (tree);
+extern void binary_op_error (location_t, enum tree_code, tree, tree);
extern tree fix_string_type (tree);
struct varray_head_tag;
extern void constant_expression_warning (tree);
+extern void constant_expression_error (tree);
+extern bool strict_aliasing_warning (tree, tree, tree);
+extern void warnings_for_convert_and_check (tree, tree, tree);
extern tree convert_and_check (tree, tree);
extern void overflow_warning (tree);
-extern void unsigned_conversion_warning (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)
+extern void warn_logical_operator (location_t, enum tree_code,
+ enum tree_code, tree, enum tree_code, tree);
+extern void check_main_parameter_types (tree decl);
+extern bool c_determine_visibility (tree);
+extern bool same_scalar_type_ignoring_signedness (tree, tree);
+extern void mark_valid_location_for_stdc_pragma (bool);
+extern bool valid_location_for_stdc_pragma_p (void);
+extern void set_float_const_decimal64 (void);
+extern void clear_float_const_decimal64 (void);
+extern bool float_const_decimal64_p (void);
+
+#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 certain operations. */
+extern tree shorten_binary_op (tree result_type, tree op0, tree op1, bool bitwise);
/* Subroutine of build_binary_op, used for comparison operations.
See if the operands have both been converted from subword integer types
extern tree shorten_compare (tree *, tree *, tree *, enum tree_code *);
extern tree pointer_int_sum (enum tree_code, tree, tree);
-extern unsigned int min_precision (tree, int);
/* Add qualifiers to a type, in the fashion for C. */
extern tree c_build_qualified_type (tree, int);
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 void set_compound_literal_name (tree decl);
+
extern tree build_va_arg (tree, tree);
extern unsigned int c_common_init_options (unsigned int, const char **);
extern bool c_common_init (void);
extern void c_common_finish (void);
extern void c_common_parse_file (int);
-extern HOST_WIDE_INT c_common_get_alias_set (tree);
+extern alias_set_type c_common_get_alias_set (tree);
extern void c_register_builtin_type (tree, const char*);
-extern bool c_promoting_integer_type_p (tree);
-extern int self_promoting_args_p (tree);
-extern tree strip_array_types (tree);
+extern bool c_promoting_integer_type_p (const_tree);
+extern int self_promoting_args_p (const_tree);
extern tree strip_pointer_operator (tree);
+extern tree strip_pointer_or_array_types (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_STMT_EXPR(NODE) \
TREE_LANG_FLAG_1 (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)
-
-/* DECL_STMT accessor. This gives access to the DECL associated with
- the given declaration statement. */
-#define DECL_STMT_DECL(NODE) TREE_OPERAND (DECL_STMT_CHECK (NODE), 0)
-
-/* 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)
-#define COMPOUND_LITERAL_EXPR_DECL(NODE) \
- DECL_STMT_DECL (COMPOUND_LITERAL_EXPR_DECL_STMT (NODE))
-
-#define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM,
-
-enum c_tree_code {
- C_DUMMY_TREE_CODE = LAST_AND_UNUSED_TREE_CODE,
-#include "c-common.def"
- LAST_C_TREE_CODE
-};
-
-#undef DEFTREECODE
-
-#define c_common_stmt_codes \
- EXPR_STMT, DECL_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
- sub-variables that make up the anonymous union. */
-#define DECL_ANON_UNION_ELEMS(NODE) DECL_ARGUMENTS ((NODE))
+/* Nonzero if a label has been added to the statement list. */
+#define STATEMENT_LIST_HAS_LABEL(NODE) \
+ TREE_LANG_FLAG_3 (STATEMENT_LIST_CHECK (NODE))
+
+/* C_MAYBE_CONST_EXPR accessors. */
+#define C_MAYBE_CONST_EXPR_PRE(NODE) \
+ TREE_OPERAND (C_MAYBE_CONST_EXPR_CHECK (NODE), 0)
+#define C_MAYBE_CONST_EXPR_EXPR(NODE) \
+ TREE_OPERAND (C_MAYBE_CONST_EXPR_CHECK (NODE), 1)
+#define C_MAYBE_CONST_EXPR_INT_OPERANDS(NODE) \
+ TREE_LANG_FLAG_0 (C_MAYBE_CONST_EXPR_CHECK (NODE))
+#define C_MAYBE_CONST_EXPR_NON_CONST(NODE) \
+ TREE_LANG_FLAG_1 (C_MAYBE_CONST_EXPR_CHECK (NODE))
+#define EXPR_INT_CONST_OPERANDS(EXPR) \
+ (INTEGRAL_TYPE_P (TREE_TYPE (EXPR)) \
+ && (TREE_CODE (EXPR) == INTEGER_CST \
+ || (TREE_CODE (EXPR) == C_MAYBE_CONST_EXPR \
+ && C_MAYBE_CONST_EXPR_INT_OPERANDS (EXPR))))
/* In a FIELD_DECL, nonzero if the decl was originally a bitfield. */
#define DECL_C_BIT_FIELD(NODE) \
#define CLEAR_DECL_C_BIT_FIELD(NODE) \
(DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 0)
-extern void emit_local_var (tree);
-extern void make_rtl_for_local_static (tree);
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);
-
-extern void c_expand_asm_operands (tree, tree, tree, tree, int, location_t);
/* 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 build_unary_op (location_t, enum tree_code, tree, int);
+extern tree build_binary_op (location_t, enum tree_code, tree, tree, int);
+extern tree perform_integral_promotions (tree);
+
+/* These functions must be defined by each front-end which implements
+ a variant of the C language. They are used by port files. */
+
extern tree default_conversion (tree);
/* Given two integer or real types, return the type for their sum.
/* 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);
+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 finish_label_address_expr (tree);
+extern tree build_function_call_vec (tree, VEC(tree,gc) *, VEC(tree,gc) *);
+
+extern tree resolve_overloaded_builtin (tree, VEC(tree,gc) *);
+
+extern tree finish_label_address_expr (tree, location_t);
/* 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 bool lvalue_p (const_tree);
-extern int vector_types_convertible_p (tree t1, tree t2);
+extern bool vector_targets_convertible_p (const_tree t1, const_tree t2);
+extern bool vector_types_convertible_p (const_tree t1, const_tree t2, bool emit_lax_note);
extern rtx c_expand_expr (tree, rtx, enum machine_mode, int, rtx *);
-extern int c_safe_from_p (rtx, tree);
-
-extern int c_staticp (tree);
-
-extern int c_common_unsafe_for_reeval (tree);
-
extern void init_c_lex (void);
extern void c_cpp_builtins (cpp_reader *);
+extern void c_cpp_builtins_optimize_pragma (cpp_reader *, tree, tree);
/* Positive if an implicit `extern "C"' scope has just been entered;
negative if such a scope has just been exited. */
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 bool c_dump_tree (void *, tree);
-extern tree c_walk_subtrees (tree*, int*, walk_tree_fn, void*, void*);
-
-extern void c_warn_unused_result (tree *);
+extern void c_warn_unused_result (gimple_seq);
extern void verify_sequence_points (tree);
+extern tree fold_offsetof (tree, 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);
+extern void warn_about_parentheses (enum tree_code,
+ enum tree_code, tree,
+ enum tree_code, tree);
+extern void warn_for_unused_label (tree label);
+extern void warn_for_div_by_zero (location_t, tree divisor);
+extern void warn_for_sign_compare (location_t,
+ tree orig_op0, tree orig_op1,
+ tree op0, tree op1,
+ tree result_type,
+ enum tree_code resultcode);
+extern void set_underlying_type (tree x);
+extern bool is_typedef_decl (tree x);
+
/* In c-gimplify.c */
extern void c_genericize (tree);
-extern int c_gimplify_expr (tree *, tree *, tree *);
+extern int c_gimplify_expr (tree *, gimple_seq *, gimple_seq *);
extern tree c_build_bind_expr (tree, tree);
/* In c-pch.c */
const char *orig);
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_pch_pragma (cpp_reader *pfile, const char *);
+extern void c_common_print_pch_checksum (FILE *f);
+/* In *-checksum.c */
+extern const unsigned char executable_checksum[16];
+
+/* In c-cppbuiltin.c */
+extern void builtin_define_std (const char *macro);
extern void builtin_define_with_value (const char *, const char *, int);
extern void c_stddef_cpp_builtins (void);
extern void fe_file_change (const struct line_map *);
-extern void c_parse_error (const char *, enum cpp_ttype, tree);
+extern void c_parse_error (const char *, enum cpp_ttype, tree, unsigned char);
+
+/* Objective-C / Objective-C++ entry points. */
-/* The following have been moved here from c-tree.h, since they're needed
- in the ObjC++ world, too. What is more, stub-objc.c could use a few
- prototypes. */
-extern tree lookup_interface (tree);
-extern tree is_class_name (tree);
+/* The following ObjC/ObjC++ functions are called by the C and/or C++
+ front-ends; they all must have corresponding stubs in stub-objc.c. */
+extern tree objc_is_class_name (tree);
extern tree objc_is_object_ptr (tree);
extern void objc_check_decl (tree);
-extern int objc_comptypes (tree, tree, int);
+extern int objc_is_reserved_word (tree);
+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 lookup_objc_ivar (tree);
-extern void *get_current_scope (void);
-extern void objc_mark_locals_volatile (void *);
+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_declare_alias (tree, tree);
+extern void objc_declare_class (tree);
+extern void objc_declare_protocols (tree);
+extern tree objc_build_message_expr (tree);
+extern tree objc_finish_message_expr (tree, tree, tree);
+extern tree objc_build_selector_expr (tree);
+extern tree objc_build_protocol_expr (tree);
+extern tree objc_build_encode_expr (tree);
+extern tree objc_build_string_object (tree);
+extern tree objc_get_protocol_qualified_type (tree, tree);
+extern tree objc_get_class_reference (tree);
+extern tree objc_get_class_ivars (tree);
+extern void objc_start_class_interface (tree, tree, tree);
+extern void objc_start_category_interface (tree, tree, tree);
+extern void objc_start_protocol (tree, tree);
+extern void objc_continue_interface (void);
+extern void objc_finish_interface (void);
+extern void objc_start_class_implementation (tree, tree);
+extern void objc_start_category_implementation (tree, tree);
+extern void objc_continue_implementation (void);
+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, bool);
+extern void objc_add_method_declaration (tree);
+extern void objc_start_method_definition (tree);
+extern void objc_finish_method_definition (tree);
+extern void objc_add_instance_variable (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 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 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 *objc_get_current_scope (void);
+extern void objc_mark_locals_volatile (void *);
/* In c-ppoutput.c */
extern void init_pp_output (FILE *);
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 c-omp.c */
+extern tree c_finish_omp_master (tree);
+extern tree c_finish_omp_critical (tree, tree);
+extern tree c_finish_omp_ordered (tree);
+extern void c_finish_omp_barrier (void);
+extern tree c_finish_omp_atomic (enum tree_code, tree, tree);
+extern void c_finish_omp_flush (void);
+extern void c_finish_omp_taskwait (void);
+extern tree c_finish_omp_for (location_t, tree, tree, tree, tree, tree, tree);
+extern void c_split_parallel_clauses (tree, tree *, tree *);
+extern enum omp_clause_default_kind c_omp_predetermined_sharing (tree);
+
+/* Not in c-omp.c; provided by the front end. */
+extern bool c_omp_sharing_predetermined (tree);
+extern tree c_omp_remap_decl (tree, bool);
+
+/* 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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