/* Definitions for c-common.c.
Copyright (C) 1987, 1993, 1994, 1995, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of GCC.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA. */
#ifndef GCC_C_COMMON_H
#define GCC_C_COMMON_H
#include "ggc.h"
/* Usage of TREE_LANG_FLAG_?:
- 0: COMPOUND_STMT_NO_SCOPE (in COMPOUND_STMT).
- TREE_NEGATED_INT (in INTEGER_CST).
+ 0: TREE_NEGATED_INT (in INTEGER_CST).
IDENTIFIER_MARKED (used by search routines).
- SCOPE_BEGIN_P (in SCOPE_STMT)
DECL_PRETTY_FUNCTION_P (in VAR_DECL)
- NEW_FOR_SCOPE_P (in FOR_STMT)
- ASM_INPUT_P (in ASM_STMT)
- STMT_EXPR_NO_SCOPE (in STMT_EXPR)
1: C_DECLARED_LABEL_FLAG (in LABEL_DECL)
- STMT_IS_FULL_EXPR_P (in _STMT)
- 2: STMT_LINENO_FOR_FN_P (in _STMT)
- 3: SCOPE_NO_CLEANUPS_P (in SCOPE_STMT)
- COMPOUND_STMT_BODY_BLOCK (in COMPOUND_STMT)
- STMT_EXPR_WARN_UNUSED_RESULT (in STMT_EXPR)
- 4: SCOPE_PARTIAL_P (in SCOPE_STMT)
+ STATEMENT_LIST_STMT_EXPR (in STATEMENT_LIST)
+ 2: unused
+ 3: STATEMENT_LIST_HAS_LABEL (in STATEMENT_LIST)
+ 4: unused
*/
/* Reserved identifiers. This is the union of all the keywords for C,
/* 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,
/* 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_NEW, RID_OFFSETOF, RID_OPERATOR,
+ RID_THIS, RID_THROW, RID_TRUE,
+ RID_TRY, RID_TYPENAME, RID_TYPEID,
RID_USING,
/* casts */
RID_CONSTCAST, RID_DYNCAST, RID_REINTCAST, RID_STATCAST,
/* Objective-C */
- RID_ID, RID_AT_ENCODE, RID_AT_END,
+ RID_AT_ENCODE, RID_AT_END,
RID_AT_CLASS, RID_AT_ALIAS, RID_AT_DEFS,
RID_AT_PRIVATE, RID_AT_PROTECTED, RID_AT_PUBLIC,
- RID_AT_PROTOCOL, RID_AT_SELECTOR,
+ RID_AT_PROTOCOL, RID_AT_SELECTOR,
RID_AT_THROW, RID_AT_TRY, RID_AT_CATCH,
RID_AT_FINALLY, RID_AT_SYNCHRONIZED,
RID_AT_INTERFACE,
};
#define OBJC_IS_AT_KEYWORD(rid) \
- ((unsigned int)(rid) >= (unsigned int)RID_FIRST_AT && \
- (unsigned int)(rid) <= (unsigned int)RID_LAST_AT)
+ ((unsigned int) (rid) >= (unsigned int) RID_FIRST_AT && \
+ (unsigned int) (rid) <= (unsigned int) RID_LAST_AT)
#define OBJC_IS_PQ_KEYWORD(rid) \
- ((unsigned int)(rid) >= (unsigned int)RID_FIRST_PQ && \
- (unsigned int)(rid) <= (unsigned int)RID_LAST_PQ)
+ ((unsigned int) (rid) >= (unsigned int) RID_FIRST_PQ && \
+ (unsigned int) (rid) <= (unsigned int) RID_LAST_PQ)
/* The elements of `ridpointers' are identifier nodes for the reserved
type names and storage classes. It is indexed by a RID_... value. */
-extern GTY ((length ("(int)RID_MAX"))) tree *ridpointers;
+extern GTY ((length ("(int) RID_MAX"))) tree *ridpointers;
/* Standard named or nameless data types of the C compiler. */
CTI_DEFAULT_FUNCTION_TYPE,
- CTI_G77_INTEGER_TYPE,
- CTI_G77_UINTEGER_TYPE,
- CTI_G77_LONGINT_TYPE,
- CTI_G77_ULONGINT_TYPE,
-
/* These are not types, but we have to look them up all the time. */
CTI_FUNCTION_NAME_DECL,
CTI_PRETTY_FUNCTION_NAME_DECL,
CTI_C99_FUNCTION_NAME_DECL,
CTI_SAVED_FUNCTION_NAME_DECLS,
-
+
CTI_VOID_ZERO,
+ CTI_NULL,
+
CTI_MAX
};
#define default_function_type c_global_trees[CTI_DEFAULT_FUNCTION_TYPE]
-/* g77 integer types, which must be kept in sync with f/com.h */
-#define g77_integer_type_node c_global_trees[CTI_G77_INTEGER_TYPE]
-#define g77_uinteger_type_node c_global_trees[CTI_G77_UINTEGER_TYPE]
-#define g77_longint_type_node c_global_trees[CTI_G77_LONGINT_TYPE]
-#define g77_ulongint_type_node c_global_trees[CTI_G77_ULONGINT_TYPE]
-
#define function_name_decl_node c_global_trees[CTI_FUNCTION_NAME_DECL]
#define pretty_function_name_decl_node c_global_trees[CTI_PRETTY_FUNCTION_NAME_DECL]
#define c99_function_name_decl_node c_global_trees[CTI_C99_FUNCTION_NAME_DECL]
/* A node for `((void) 0)'. */
#define void_zero_node c_global_trees[CTI_VOID_ZERO]
+/* The node for C++ `__null'. */
+#define null_node c_global_trees[CTI_NULL]
+
extern GTY(()) tree c_global_trees[CTI_MAX];
/* In a RECORD_TYPE, a sorted array of the fields of the type, not a
These may be shadowed, and may be referenced from nested functions. */
#define C_DECLARED_LABEL_FLAG(label) TREE_LANG_FLAG_1 (label)
-/* Flag strings given by __FUNCTION__ and __PRETTY_FUNCTION__ for a
- warning if they undergo concatenation. */
-#define C_ARTIFICIAL_STRING_P(NODE) TREE_LANG_FLAG_0 (NODE)
-
typedef enum c_language_kind
{
clk_c = 0, /* C90, C94 or C99 */
/* Information about a statement tree. */
struct stmt_tree_s GTY(()) {
- /* The last statement added to the tree. */
- tree x_last_stmt;
- /* The type of the last expression statement. (This information is
- needed to implement the statement-expression extension.) */
- tree x_last_expr_type;
- /* The last filename we recorded. */
- const char *x_last_expr_filename;
+ /* The current statement list being collected. */
+ tree x_cur_stmt_list;
+
/* In C++, Nonzero if we should treat statements as full
expressions. In particular, this variable is no-zero if at the
end of a statement we should destroy any temporaries created
/* While we are parsing the function, this contains information
about the statement-tree that we are building. */
struct stmt_tree_s x_stmt_tree;
- /* The stack of SCOPE_STMTs for the current function. */
- tree x_scope_stmt_stack;
};
-/* When building a statement-tree, this is the last statement added to
- the tree. */
-
-#define last_tree (current_stmt_tree ()->x_last_stmt)
-
-/* The type of the last expression-statement we have seen. */
-
-#define last_expr_type (current_stmt_tree ()->x_last_expr_type)
+/* When building a statement-tree, this is the current statement list
+ being collected. It's TREE_CHAIN is a back-pointer to the previous
+ statement list. */
-/* The name of the last file we have seen. */
-
-#define last_expr_filename (current_stmt_tree ()->x_last_expr_filename)
-
-/* LAST_TREE contains the last statement parsed. These are chained
- together through the TREE_CHAIN field, but often need to be
- re-organized since the parse is performed bottom-up. This macro
- makes LAST_TREE the indicated SUBSTMT of STMT. */
-
-#define RECHAIN_STMTS(stmt, substmt) \
- do { \
- substmt = TREE_CHAIN (stmt); \
- TREE_CHAIN (stmt) = NULL_TREE; \
- last_tree = stmt; \
- } while (0)
+#define cur_stmt_list (current_stmt_tree ()->x_cur_stmt_list)
/* Language-specific hooks. */
-extern void (*lang_expand_stmt) (tree);
-extern void (*lang_expand_decl_stmt) (tree);
-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 *current_scope_stmt_stack (void);
-extern void begin_stmt_tree (tree *);
+extern tree push_stmt_list (void);
+extern tree pop_stmt_list (tree);
extern tree add_stmt (tree);
-extern void add_decl_stmt (tree);
-extern tree add_scope_stmt (int, int);
-extern void finish_stmt_tree (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 walk_stmt_tree (tree *, walk_tree_fn, void *);
-extern void prep_stmt (tree);
-extern void expand_stmt (tree);
-extern tree c_begin_if_stmt (void);
-extern tree c_begin_while_stmt (void);
-extern void c_finish_while_stmt_cond (tree, tree);
+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 void resort_sorted_fields (void *, void *, gt_pointer_operator,
+ void *);
+extern bool has_c_linkage (tree decl);
\f
/* Switches common to the C front ends. */
@try, etc.) in source code. */
extern int flag_objc_exceptions;
+/* Nonzero means that we generate NeXT setjmp based exceptions. */
+extern int flag_objc_sjlj_exceptions;
+
/* Nonzero means that code generation will be altered to support
"zero-link" execution. This currently affects ObjC only, but may
affect other languages in the future. */
extern char flag_dump_includes;
+/* Nonzero means process PCH files while preprocessing. */
+
+extern bool flag_pch_preprocess;
+
/* The file name to which we should write a precompiled header, or
NULL if no header will be written in this compile. */
/* 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 pointer casts that can drop a type qualifier
- from the pointer target type. */
-
-extern int warn_cast_qual;
-
-/* Warn about functions which might be candidates for format attributes. */
-
-extern int warn_missing_format_attribute;
-
-/* Nonzero means warn about sizeof(function) or addition/subtraction
- of function pointers. */
-
-extern int warn_pointer_arith;
-
-/* Nonzero means warn for any global function def
- without separate previous prototype decl. */
-
-extern int warn_missing_prototypes;
-
-/* Warn if adding () is suggested. */
-
-extern int warn_parentheses;
-
-/* Warn if initializer is not completely bracketed. */
-
-extern int warn_missing_braces;
-
-/* Warn about comparison of signed and unsigned values.
- If -1, neither -Wsign-compare nor -Wno-sign-compare has been specified. */
-
-extern int warn_sign_compare;
-
-/* Nonzero means warn about usage of long long when `-pedantic'. */
-
-extern int warn_long_long;
-
-/* Nonzero means warn about deprecated conversion from string constant to
- `char *'. */
-
-extern int warn_write_strings;
-
-/* Nonzero means warn about multiple (redundant) decls for the same single
- variable or function. */
-extern int warn_redundant_decls;
+/* Warn about #pragma directives that are not recognized. */
-/* Warn about testing equality of floating point numbers. */
-
-extern int warn_float_equal;
-
-/* Warn about a subscript that has type char. */
-
-extern int warn_char_subscripts;
-
-/* Warn if a type conversion is done that might have confusing results. */
-
-extern int warn_conversion;
-
-/* 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 warn_format;
-/* Warn about Y2K problems with strftime formats. */
-
-extern int warn_format_y2k;
-
-/* Warn about excess arguments to formats. */
-
-extern int warn_format_extra_args;
-
-/* Warn about zero-length formats. */
-
-extern int warn_format_zero_length;
-
-/* Warn about non-literal format arguments. */
-
-extern int warn_format_nonliteral;
-
-/* Warn about possible security problems with calls to format functions. */
-
-extern int warn_format_security;
-
/* C/ObjC language option variables. */
-/* Nonzero means message about use of implicit function declarations;
- 1 means warning; 2 means error. */
-
-extern int mesg_implicit_function_declaration;
-
/* Nonzero means allow type mismatches in conditional expressions;
just make their values `void'. */
extern int flag_hosted;
-/* Nonzero means warn when casting a function call to a type that does
- not match the return type (e.g. (float)sqrt() or (anything*)malloc()
- when there is no previous declaration of sqrt or malloc. */
-
-extern int warn_bad_function_cast;
-
-/* Warn about traditional constructs whose meanings changed in ANSI C. */
-
-extern int warn_traditional;
-
-/* Nonzero means warn for a declaration found after a statement. */
-
-extern int warn_declaration_after_statement;
-
-/* Nonzero means warn for non-prototype function decls
- or non-prototyped defs without previous prototype. */
-
-extern int warn_strict_prototypes;
-
-/* Nonzero means warn for any global function def
- without separate previous decl. */
-
-extern int warn_missing_declarations;
-
-/* Nonzero means warn about extern declarations of objects not at
- file-scope level and about *all* declarations of functions (whether
- extern or static) not at file-scope level. Note that we exclude
- implicit function declarations. To get warnings about those, use
- -Wimplicit. */
-
-extern int warn_nested_externs;
-
/* Warn if main is suspicious. */
extern int warn_main;
-/* Nonzero means warn about possible violations of sequence point rules. */
-
-extern int warn_sequence_point;
-
-/* Nonzero means warn about uninitialized variable when it is initialized with itself.
- For example: int i = i;, GCC will not warn about this when warn_init_self is nonzero. */
-
-extern int warn_init_self;
-
-
-/* Nonzero means to warn about compile-time division by zero. */
-extern int warn_div_by_zero;
-
-/* Nonzero means warn about use of implicit int. */
-
-extern int warn_implicit_int;
-
-/* Warn about NULL being passed to argument slots marked as requiring
- non-NULL. */
-
-extern int warn_nonnull;
-
-/* Warn about old-style parameter declaration. */
-
-extern int warn_old_style_definition;
-
/* 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 const char *constant_string_class_name;
-/* Warn if multiple methods are seen for the same selector, but with
- different argument types. Performs the check on the whole selector
- table at the end of compilation. */
-
-extern int warn_selector;
-
-/* Warn if a @selector() is found, and no method with that selector
- has been previously declared. The check is done on each
- @selector() as soon as it is found - so it warns about forward
- declarations. */
-
-extern int warn_undeclared_selector;
-
-/* Warn if methods required by a protocol are not implemented in the
- class adopting it. When turned off, methods inherited to that
- class are also considered implemented. */
-
-extern int warn_protocol;
-
/* C++ language option variables. */
extern int flag_use_cxa_atexit;
+/* Nonzero to use __cxa_get_exception_ptr in the C++ exception-handling
+ logic. */
+
+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_enforce_eh_specs;
-/* Nonzero means warn about things that will change when compiling
- with an ABI-compliant compiler. */
-
-extern int warn_abi;
+/* Nonzero (the default) means to generate thread-safe code for
+ initializing local statics. */
-/* Nonzero means warn about invalid uses of offsetof. */
-
-extern int warn_invalid_offsetof;
+extern int flag_threadsafe_statics;
/* Nonzero means warn about implicit declarations. */
extern int warn_implicit;
-/* Nonzero means warn when all ctors or dtors are private, and the class
- has no friends. */
-
-extern int warn_ctor_dtor_privacy;
-
-/* Nonzero means warn in function declared in derived class has the
- same name as a virtual in the base class, but fails to match the
- type signature of any virtual function in the base class. */
-
-extern int warn_overloaded_virtual;
-
-/* Nonzero means warn when declaring a class that has a non virtual
- destructor, when it really ought to have a virtual one. */
-
-extern int warn_nonvdtor;
-
-/* Nonzero means warn when the compiler will reorder code. */
-
-extern int warn_reorder;
-
-/* Nonzero means warn when synthesis behavior differs from Cfront's. */
-
-extern int warn_synth;
-
-/* Nonzero means warn when we convert a pointer to member function
- into a pointer to (void or function). */
-
-extern int warn_pmf2ptr;
-
-/* Nonzero means warn about violation of some Effective C++ style rules. */
-
-extern int warn_ecpp;
-
-/* Nonzero means warn where overload resolution chooses a promotion from
- unsigned to signed over a conversion to an unsigned of the same size. */
-
-extern int warn_sign_promo;
-
-/* Nonzero means warn when an old-style cast is used. */
-
-extern int warn_old_style_cast;
-
-/* Nonzero means warn when non-templatized friend functions are
- declared within a template */
-
-extern int warn_nontemplate_friend;
-
-/* Nonzero means complain about deprecated features. */
+/* 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_deprecated;
+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
#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 const char *fname_as_string (int);
extern tree fname_decl (unsigned, tree);
-extern void check_function_arguments (tree, tree);
+extern void check_function_arguments (tree, tree, tree);
extern void check_function_arguments_recurse (void (*)
(void *, tree,
unsigned HOST_WIDE_INT),
void *, tree,
unsigned HOST_WIDE_INT);
-extern void check_function_format (int *, tree, tree);
+extern void check_function_format (tree, 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 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 tree c_common_truthvalue_conversion (tree);
extern void c_apply_type_quals_to_decl (int, tree);
-extern tree c_sizeof_or_alignof_type (tree, enum tree_code, int);
+extern tree c_sizeof_or_alignof_type (tree, bool, int);
extern tree c_alignof_expr (tree);
/* Print an error message for invalid operands to arith operation CODE.
NOP_EXPR is used as a special case (see truthvalue_conversion). */
extern void binary_op_error (enum tree_code);
-#define my_friendly_assert(EXP, N) (void) \
- (((EXP) == 0) ? (fancy_abort (__FILE__, __LINE__, __FUNCTION__), 0) : 0)
-
-extern tree c_expand_expr_stmt (tree);
-extern void c_expand_start_cond (tree, int, tree);
-extern void c_finish_then (void);
-extern void c_expand_start_else (void);
-extern void c_finish_else (void);
-extern void c_expand_end_cond (void);
-/* Validate the expression after `case' and apply default promotions. */
-extern tree check_case_value (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 tree convert_and_check (tree, tree);
extern void overflow_warning (tree);
-extern void unsigned_conversion_warning (tree, tree);
+extern bool c_determine_visibility (tree);
+extern bool same_scalar_type_ignoring_signedness (tree, tree);
-#define c_sizeof(T) c_sizeof_or_alignof_type (T, SIZEOF_EXPR, 1)
-#define c_alignof(T) c_sizeof_or_alignof_type (T, ALIGNOF_EXPR, 1)
+#define c_sizeof(T) c_sizeof_or_alignof_type (T, true, 1)
+#define c_alignof(T) c_sizeof_or_alignof_type (T, false, 1)
/* Subroutine of build_binary_op, used for comparison operations.
See if the operands have both been converted from subword integer types
frontends. */
extern void c_common_nodes_and_builtins (void);
+extern void set_builtin_user_assembler_name (tree decl, const char *asmspec);
+
extern void disable_builtin_function (const char *);
+extern 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 int self_promoting_args_p (tree);
extern tree strip_array_types (tree);
extern tree strip_pointer_operator (tree);
+extern HOST_WIDE_INT c_common_to_target_charset (HOST_WIDE_INT);
/* This is the basic parsing function. */
extern void c_parse_file (void);
/* This is misnamed, it actually performs end-of-compilation processing. */
extern void finish_file (void);
+
/* These macros provide convenient access to the various _STMT nodes. */
-/* Nonzero if this statement should be considered a full-expression,
- i.e., if temporaries created during this statement should have
- their destructors run at the end of this statement. (In C, this
- will always be false, since there are no destructors.) */
-#define STMT_IS_FULL_EXPR_P(NODE) TREE_LANG_FLAG_1 ((NODE))
-
-/* IF_STMT accessors. These give access to the condition of the if
- statement, the then block of the if statement, and the else block
- of the if statement if it exists. */
-#define IF_COND(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 0)
-#define THEN_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 1)
-#define ELSE_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 2)
-
-/* 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)
-
-/* RETURN_STMT accessors. These give the expression associated with a
- return statement, and whether it should be ignored when expanding
- (as opposed to inlining). */
-#define RETURN_STMT_EXPR(NODE) TREE_OPERAND (RETURN_STMT_CHECK (NODE), 0)
-
-/* 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)
-
-/* SWITCH_STMT accessors. These give access to the condition, body and
- original condition type (before any compiler conversions)
- of the switch statement, respectively. */
-#define SWITCH_COND(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 0)
-#define SWITCH_BODY(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 1)
-#define SWITCH_TYPE(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 2)
-
-/* CASE_LABEL accessors. These give access to the high and low values
- of a case label, respectively. */
-#define CASE_LOW(NODE) TREE_OPERAND (CASE_LABEL_CHECK (NODE), 0)
-#define CASE_HIGH(NODE) TREE_OPERAND (CASE_LABEL_CHECK (NODE), 1)
-#define CASE_LABEL_DECL(NODE) TREE_OPERAND (CASE_LABEL_CHECK (NODE), 2)
-
-/* GOTO_STMT accessor. This gives access to the label associated with
- a goto statement. */
-#define GOTO_DESTINATION(NODE) TREE_OPERAND (GOTO_STMT_CHECK (NODE), 0)
-/* True for goto created artificially by the compiler. */
-#define GOTO_FAKE_P(NODE) (TREE_LANG_FLAG_0 (GOTO_STMT_CHECK (NODE)))
-
-/* COMPOUND_STMT accessor. This gives access to the TREE_LIST of
- statements associated with a compound statement. The result is the
- first statement in the list. Succeeding nodes can be accessed by
- calling TREE_CHAIN on a node in the list. */
-#define COMPOUND_BODY(NODE) TREE_OPERAND (COMPOUND_STMT_CHECK (NODE), 0)
-
-/* ASM_STMT accessors. ASM_STRING returns a STRING_CST for the
- instruction (e.g., "mov x, y"). ASM_OUTPUTS, ASM_INPUTS, and
- ASM_CLOBBERS represent the outputs, inputs, and clobbers for the
- statement. */
-#define ASM_CV_QUAL(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 0)
-#define ASM_STRING(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 1)
-#define ASM_OUTPUTS(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 2)
-#define ASM_INPUTS(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 3)
-#define ASM_CLOBBERS(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 4)
-
-/* 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))
-
-/* Nonzero if this statement-expression should cause warning if its result
- is not used. */
-#define STMT_EXPR_WARN_UNUSED_RESULT(NODE) \
- TREE_LANG_FLAG_3 (STMT_EXPR_CHECK (NODE))
-
-/* LABEL_STMT accessor. This gives access to the label associated with
- the given label statement. */
-#define LABEL_STMT_LABEL(NODE) TREE_OPERAND (LABEL_STMT_CHECK (NODE), 0)
+/* 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))
+
+/* 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))
/* 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))
-
-/* Nonzero if this SCOPE_STMT is for the beginning of a scope. */
-#define SCOPE_BEGIN_P(NODE) \
- (TREE_LANG_FLAG_0 (SCOPE_STMT_CHECK (NODE)))
-
-/* Nonzero if this SCOPE_STMT is for the end of a scope. */
-#define SCOPE_END_P(NODE) \
- (!SCOPE_BEGIN_P (SCOPE_STMT_CHECK (NODE)))
-
-/* The BLOCK containing the declarations contained in this scope. */
-#define SCOPE_STMT_BLOCK(NODE) \
- (TREE_OPERAND (SCOPE_STMT_CHECK (NODE), 0))
-
-/* Nonzero for a SCOPE_STMT if there were no variables in this scope. */
-#define SCOPE_NULLIFIED_P(NODE) \
- (SCOPE_STMT_BLOCK ((NODE)) == NULL_TREE)
-
-/* Nonzero for a SCOPE_STMT which represents a lexical scope, but
- which should be treated as non-existent from the point of view of
- running cleanup actions. */
-#define SCOPE_NO_CLEANUPS_P(NODE) \
- (TREE_LANG_FLAG_3 (SCOPE_STMT_CHECK (NODE)))
-
-/* Nonzero for a SCOPE_STMT if this statement is for a partial scope.
- For example, in:
-
- S s;
- l:
- S s2;
- goto l;
-
- there is (implicitly) a new scope after `l', even though there are
- no curly braces. In particular, when we hit the goto, we must
- destroy s2 and then re-construct it. For the implicit scope,
- SCOPE_PARTIAL_P will be set. */
-#define SCOPE_PARTIAL_P(NODE) \
- (TREE_LANG_FLAG_4 (SCOPE_STMT_CHECK (NODE)))
-
-/* Nonzero for an ASM_STMT if the assembly statement is volatile. */
-#define ASM_VOLATILE_P(NODE) \
- (ASM_CV_QUAL (ASM_STMT_CHECK (NODE)) != NULL_TREE)
-
-/* The VAR_DECL to clean up in a CLEANUP_STMT. */
-#define CLEANUP_DECL(NODE) \
- TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 0)
-/* The cleanup to run in a CLEANUP_STMT. */
-#define CLEANUP_EXPR(NODE) \
- TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 1)
-
-/* The filename we are changing to as of this FILE_STMT. */
-#define FILE_STMT_FILENAME_NODE(NODE) \
- (TREE_OPERAND (FILE_STMT_CHECK (NODE), 0))
-#define FILE_STMT_FILENAME(NODE) \
- (IDENTIFIER_POINTER (FILE_STMT_FILENAME_NODE (NODE)))
-
-/* The line-number at which a statement began. But if
- STMT_LINENO_FOR_FN_P does holds, then this macro gives the
- line number for the end of the current function instead. */
-#define STMT_LINENO(NODE) \
- (TREE_COMPLEXITY ((NODE)))
-
-/* If nonzero, the STMT_LINENO for NODE is the line at which the
- function ended. */
-#define STMT_LINENO_FOR_FN_P(NODE) \
- (TREE_LANG_FLAG_2 ((NODE)))
-
-/* Nonzero if we want the new ISO rules for pushing a new scope for `for'
- initialization variables. */
-#define NEW_FOR_SCOPE_P(NODE) (TREE_LANG_FLAG_0 (NODE))
-
-/* Nonzero if we want to create an ASM_INPUT instead of an
- ASM_OPERAND with no operands. */
-#define ASM_INPUT_P(NODE) (TREE_LANG_FLAG_0 (NODE))
+ DECL_EXPR_DECL (COMPOUND_LITERAL_EXPR_DECL_STMT (NODE))
#define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM,
#undef DEFTREECODE
-#define c_common_stmt_codes \
- CLEANUP_STMT, EXPR_STMT, COMPOUND_STMT, \
- DECL_STMT, IF_STMT, FOR_STMT, \
- WHILE_STMT, DO_STMT, RETURN_STMT, \
- BREAK_STMT, CONTINUE_STMT, SCOPE_STMT, \
- SWITCH_STMT, GOTO_STMT, LABEL_STMT, \
- ASM_STMT, FILE_STMT, CASE_LABEL
-
-/* 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 void genrtl_do_pushlevel (void);
-extern void genrtl_goto_stmt (tree);
-extern void genrtl_expr_stmt (tree);
-extern void genrtl_expr_stmt_value (tree, int, int);
-extern void genrtl_decl_stmt (tree);
-extern void genrtl_if_stmt (tree);
-extern void genrtl_while_stmt (tree);
-extern void genrtl_do_stmt (tree);
-extern void genrtl_return_stmt (tree);
-extern void genrtl_for_stmt (tree);
-extern void genrtl_break_stmt (void);
-extern void genrtl_continue_stmt (void);
-extern void genrtl_scope_stmt (tree);
-extern void genrtl_switch_stmt (tree);
-extern void genrtl_case_label (tree);
-extern void genrtl_compound_stmt (tree);
-extern void genrtl_asm_stmt (tree, tree, tree, tree, tree, int);
-extern void genrtl_cleanup_stmt (tree);
-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
#define CLEAR_DECL_C_BIT_FIELD(NODE) \
(DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 0)
-/* In a VAR_DECL, nonzero if the decl is a register variable with
- an explicit asm specification. */
-#define DECL_C_HARD_REGISTER(DECL) DECL_LANG_FLAG_4 (VAR_DECL_CHECK (DECL))
-
extern void emit_local_var (tree);
-extern void make_rtl_for_local_static (tree);
-extern tree expand_cond (tree);
-extern tree c_expand_return (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 tree build_return_stmt (tree);
-
-#define COMPOUND_STMT_NO_SCOPE(NODE) TREE_LANG_FLAG_0 (NODE)
-
-/* Used by the C++ frontend to mark the block around the member
- initializers and cleanups. */
-#define COMPOUND_STMT_BODY_BLOCK(NODE) TREE_LANG_FLAG_3 (NODE)
-
-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 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.
extern tree common_type (tree, tree);
-extern tree expand_tree_builtin (tree, tree, tree);
-
extern tree decl_constant_value (tree);
/* 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, location_t, tree, tree);
extern tree build_function_call (tree, tree);
+extern tree resolve_overloaded_builtin (tree, tree);
+
extern tree finish_label_address_expr (tree);
/* Same function prototype, but the C and C++ front ends have
different implementations. Used in c-common.c. */
extern tree lookup_label (tree);
+extern tree lookup_name (tree);
-extern rtx c_expand_expr (tree, rtx, enum machine_mode, int, rtx *);
-
-extern int c_safe_from_p (rtx, tree);
+extern int vector_types_convertible_p (tree t1, tree t2);
-extern int c_staticp (tree);
+extern rtx c_expand_expr (tree, rtx, enum machine_mode, int, rtx *);
-extern int c_common_unsafe_for_reeval (tree);
+extern tree c_staticp (tree);
extern void init_c_lex (void);
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 void c_warn_unused_result (tree *);
+
+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);
+
+/* 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);
+
+/* In c-pch.c */
extern void pch_init (void);
extern int c_common_valid_pch (cpp_reader *pfile, const char *name, int fd);
extern void c_common_read_pch (cpp_reader *pfile, const char *name, int fd,
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, const char *);
+extern void c_common_print_pch_checksum (FILE *f);
+
+/* In *-checksum.c */
+extern const unsigned char executable_checksum[16];
+
extern void builtin_define_with_value (const char *, const char *, int);
extern void c_stddef_cpp_builtins (void);
extern void fe_file_change (const struct line_map *);
-extern int c_estimate_num_insns (tree decl);
-extern bool c_decl_uninit (tree t);
extern void c_parse_error (const char *, enum cpp_ttype, tree);
-/* 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);
+/* Objective-C / Objective-C++ entry points. */
+
+/* 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 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 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 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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