/* Definitions for c-common.c.
Copyright (C) 1987, 1993, 1994, 1995, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009
+ Free Software Foundation, Inc.
This file is part of GCC.
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,
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_DECLTYPE,
+ RID_CONSTEXPR, RID_DECLTYPE, RID_NULLPTR, RID_STATIC_ASSERT,
/* 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_DECLTYPE,
+ RID_FIRST_CXX0X = RID_CONSTEXPR,
+ RID_LAST_CXX0X = RID_STATIC_ASSERT,
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)
-
-extern bool lang_fortran;
+#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;
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. */
-
-extern int flag_hosted;
+/* Nonzero means use the ISO C1X dialect of C. */
-/* Warn if main is suspicious. */
+extern int flag_isoc1x;
-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_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 means warn about implicit declarations. */
+/* Nonzero if we want to pretty-print template specializations as the
+ template signature followed by the arguments. */
-extern int warn_implicit;
+extern int flag_pretty_templates;
/* 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
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 c_inhibit_evaluation_warnings;
+
+/* Whether lexing has been completed, so subsequent preprocessor
+ errors should use the compiler's input_location. */
-extern int skip_evaluation;
+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, int, tree *, tree);
extern void check_function_arguments_recurse (void (*)
unsigned HOST_WIDE_INT),
void *, tree,
unsigned HOST_WIDE_INT);
+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, tree, 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 empty_if_body_warning (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 warn_logical_operator (enum tree_code, tree, 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(T) c_sizeof_or_alignof_type (T, true, 1)
-#define c_alignof(T) c_sizeof_or_alignof_type (T, false, 1)
+#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)
+
+/* 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 void c_common_parse_file (int);
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 const_tree const_strip_array_types (const_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);
#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 (tree divisor);
-
+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