/* Definitions for c-common.c.
Copyright (C) 1987, 1993, 1994, 1995, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004, 2005 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, 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_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)
+ C_MAYBE_CONST_EXPR_INT_OPERANDS (in C_MAYBE_CONST_EXPR, for C)
1: C_DECLARED_LABEL_FLAG (in LABEL_DECL)
STATEMENT_LIST_STMT_EXPR (in STATEMENT_LIST)
+ C_MAYBE_CONST_EXPR_NON_CONST (in C_MAYBE_CONST_EXPR, for C)
2: 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,
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_NEW, RID_OFFSETOF, RID_OPERATOR,
RID_THIS, RID_THROW, RID_TRUE,
RID_TRY, RID_TYPENAME, RID_TYPEID,
- RID_USING,
+ 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_STD_LAYOUT, RID_IS_TRIVIAL,
+ RID_IS_UNION,
+
/* C++0x */
- RID_STATIC_ASSERT,
+ RID_STATIC_ASSERT, RID_CONSTEXPR, RID_DECLTYPE,
/* Objective-C */
RID_AT_ENCODE, RID_AT_END,
RID_AT_INTERFACE,
RID_AT_IMPLEMENTATION,
+ /* Named address support, mapping the keyword to a particular named address
+ number. Named address space 0 is reserved for the generic address. If
+ there are more than 254 named addresses, the addr_space_t type will need
+ to be grown from an unsigned char to unsigned short. */
+ RID_ADDR_SPACE_0, /* generic address */
+ RID_ADDR_SPACE_1,
+ RID_ADDR_SPACE_2,
+ RID_ADDR_SPACE_3,
+ RID_ADDR_SPACE_4,
+ RID_ADDR_SPACE_5,
+ RID_ADDR_SPACE_6,
+ RID_ADDR_SPACE_7,
+ RID_ADDR_SPACE_8,
+ RID_ADDR_SPACE_9,
+ RID_ADDR_SPACE_10,
+ RID_ADDR_SPACE_11,
+ RID_ADDR_SPACE_12,
+ RID_ADDR_SPACE_13,
+ RID_ADDR_SPACE_14,
+ RID_ADDR_SPACE_15,
+
+ RID_FIRST_ADDR_SPACE = RID_ADDR_SPACE_0,
+ RID_LAST_ADDR_SPACE = RID_ADDR_SPACE_15,
+
RID_MAX,
RID_FIRST_MODIFIER = RID_STATIC,
RID_LAST_MODIFIER = RID_ONEWAY,
RID_FIRST_CXX0X = RID_STATIC_ASSERT,
- RID_LAST_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,
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_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. */
+
+/* Macro for backends to define named address keywords. */
+#define ADDR_SPACE_KEYWORD(STRING, VALUE) \
+ { STRING, RID_FIRST_ADDR_SPACE + (VALUE), D_CONLY | D_EXT }
+
+/* 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]
/* 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];
};
front end. For "ObjC features" or "not C++" use the macros. */
extern c_language_kind c_language;
-#define c_dialect_cxx() (c_language & clk_cxx)
-#define c_dialect_objc() (c_language & clk_objc)
+#define c_dialect_cxx() ((c_language & clk_cxx) != 0)
+#define c_dialect_objc() ((c_language & clk_objc) != 0)
+
+/* The various name of operator that appears in error messages. */
+typedef enum ref_operator {
+ /* NULL */
+ RO_NULL,
+ /* array indexing */
+ RO_ARRAY_INDEXING,
+ /* unary * */
+ RO_UNARY_STAR,
+ /* -> */
+ RO_ARROW,
+ /* implicit conversion */
+ RO_IMPLICIT_CONVERSION
+} ref_operator;
/* Information about a statement tree. */
-struct stmt_tree_s GTY(()) {
+struct GTY(()) stmt_tree_s {
/* The current statement list being collected. */
tree x_cur_stmt_list;
/* 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;
/* Language-specific hooks. */
-/* 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_cleanup (tree, tree, bool);
extern tree pushdecl_top_level (tree);
extern tree pushdecl (tree);
-extern tree build_modify_expr (tree, enum tree_code, tree);
-extern tree build_indirect_ref (tree, const char *);
+extern tree build_modify_expr (location_t, tree, tree, enum tree_code,
+ location_t, tree, tree);
+extern tree build_indirect_ref (location_t, tree, ref_operator);
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 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_isoc94;
-/* Nonzero means use the ISO C99 dialect of C. */
+/* Nonzero means use the ISO C99 (or C1X) dialect of C. */
extern int flag_isoc99;
-/* Nonzero means that we have builtin functions, and main is an int. */
+/* Nonzero means use the ISO C1X dialect of C. */
-extern int flag_hosted;
+extern int flag_isoc1x;
-/* Warn if main is suspicious. */
-
-extern int warn_main;
+/* Nonzero means that we have builtin functions, and main is an int. */
+extern int flag_hosted;
/* ObjC language option variables. */
extern int flag_check_new;
-/* Nonzero if we want to allow the use of experimental features that
- are likely to become part of C++0x. */
+/* The supported C++ dialects. */
+
+enum cxx_dialect {
+ /* C++98 */
+ cxx98,
+ /* Experimental features that are likely to become part of
+ C++0x. */
+ cxx0x
+};
-extern int flag_cpp0x;
+/* 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.
extern int flag_use_cxa_get_exception_ptr;
-/* Nonzero means make the default pedwarns warnings instead of errors.
- The value of this flag is ignored if -pedantic is specified. */
-
-extern int flag_permissive;
-
/* Nonzero means to implement standard semantics for exception
specifications, calling unexpected if an exception is thrown that
doesn't match the specification. Zero means to treat them as
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;
extern int max_tinst_depth;
-/* Nonzero means the expression being parsed will never be evaluated.
- This is a count, since unevaluated expressions can nest. */
+/* Nonzero means that we should not issue warnings about problems that
+ occur when the code is executed, because the code being processed
+ is not expected to be executed. This is set during parsing. This
+ is used for cases like sizeof() and "0 ? a : b". This is a count,
+ not a bool, because unexecuted expressions can nest. */
-extern int skip_evaluation;
+extern int c_inhibit_evaluation_warnings;
+
+/* 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. */
TYPE_DEP indicates whether it depends on type of the function or not
(i.e. __PRETTY_FUNCTION__). */
-extern tree (*make_fname_decl) (tree, int);
+extern tree (*make_fname_decl) (location_t, tree, int);
+extern const char *c_addr_space_name (addr_space_t as);
extern tree identifier_global_value (tree);
extern void record_builtin_type (enum rid, const char *, tree);
extern tree build_void_list_node (void);
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, 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 (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 attribute_takes_identifier_p (tree);
extern int c_common_handle_option (size_t code, const char *arg, int value);
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_build_bitfield_integer_type (unsigned HOST_WIDE_INT, int);
-extern bool decl_with_nonnull_addr_p (tree);
-extern tree c_common_truthvalue_conversion (tree);
+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_wrap_maybe_const (tree, bool);
+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, bool, int);
-extern tree c_alignof_expr (tree);
+extern tree c_sizeof_or_alignof_type (location_t, tree, bool, int);
+extern tree c_alignof_expr (location_t, 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);
+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 strict_aliasing_warning (tree, tree, tree);
-extern void empty_body_warning (tree, 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 overflow_warning (location_t, tree);
+extern void warn_logical_operator (location_t, enum tree_code, tree,
+ 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(LOC, T) c_sizeof_or_alignof_type (LOC, T, true, 1)
+#define c_alignof(LOC, T) c_sizeof_or_alignof_type (LOC, T, false, 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 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
and, if so, perhaps change them both back to their original type. */
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);
+extern tree pointer_int_sum (location_t, enum tree_code, tree, tree);
/* 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 tree build_va_arg (location_t, tree, tree);
extern unsigned int c_common_init_options (unsigned int, const char **);
extern bool c_common_post_options (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. */
#define STATEMENT_LIST_HAS_LABEL(NODE) \
TREE_LANG_FLAG_3 (STATEMENT_LIST_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_EXPR_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
-
-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))
+/* 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 tree do_case (tree, tree);
-extern tree build_stmt (enum tree_code, ...);
-extern tree build_case_label (tree, tree, tree);
+extern tree do_case (location_t, tree, tree);
+extern tree build_stmt (location_t, enum tree_code, ...);
+extern tree build_case_label (location_t, tree, tree, tree);
/* 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 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
extern int case_compare (splay_tree_key, splay_tree_key);
-extern tree c_add_case_label (splay_tree, tree, tree, tree, tree);
+extern tree c_add_case_label (location_t, splay_tree, tree, tree, tree, tree);
extern void c_do_switch_warnings (splay_tree, location_t, tree, tree);
-extern tree build_function_call (tree, tree);
+extern tree build_function_call (location_t, tree, tree);
-extern tree resolve_overloaded_builtin (tree, tree);
+extern tree build_function_call_vec (location_t, tree,
+ VEC(tree,gc) *, VEC(tree,gc) *);
-extern tree finish_label_address_expr (tree);
+extern tree resolve_overloaded_builtin (location_t, 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 bool vector_types_convertible_p (tree t1, tree t2, bool emit_lax_note);
+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 void c_expand_body (tree);
-
-extern tree c_staticp (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. */
extern bool c_dump_tree (void *, tree);
-extern void c_warn_unused_result (tree *);
-
extern void verify_sequence_points (tree);
extern tree fold_offsetof (tree, tree);
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,
- enum tree_code);
+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);
+extern VEC(tree,gc) *make_tree_vector (void);
+extern void release_tree_vector (VEC(tree,gc) *);
+extern VEC(tree,gc) *make_tree_vector_single (tree);
+extern VEC(tree,gc) *make_tree_vector_copy (const VEC(tree,gc) *);
/* In c-gimplify.c */
extern void c_genericize (tree);
-extern int c_gimplify_expr (tree *, tree *, tree *);
-extern tree c_build_bind_expr (tree, tree);
+extern int c_gimplify_expr (tree *, gimple_seq *, gimple_seq *);
+extern tree c_build_bind_expr (location_t, tree, tree);
/* In c-pch.c */
extern void pch_init (void);
/* 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. */
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_selector_expr (location_t, tree);
extern tree objc_build_protocol_expr (tree);
extern tree objc_build_encode_expr (tree);
extern tree objc_build_string_object (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 tree objc_build_throw_stmt (location_t, 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 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 tree c_finish_omp_master (location_t, tree);
+extern tree c_finish_omp_critical (location_t, tree, tree);
+extern tree c_finish_omp_ordered (location_t, tree);
+extern void c_finish_omp_barrier (location_t);
+extern tree c_finish_omp_atomic (location_t, enum tree_code, tree, tree);
+extern void c_finish_omp_flush (location_t);
+extern void c_finish_omp_taskwait (location_t);
extern tree c_finish_omp_for (location_t, tree, tree, tree, tree, tree, tree);
-extern void c_split_parallel_clauses (tree, tree *, tree *);
+extern void c_split_parallel_clauses (location_t, 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);
+extern void record_types_used_by_current_var_decl (tree);
/* In order for the format checking to accept the C frontend
diagnostic framework extensions, you must include this file before
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