*/
/* Reserved identifiers. This is the union of all the keywords for C,
- C++, and Objective C. All the type modifiers have to be in one
+ C++, and Objective-C. All the type modifiers have to be in one
block at the beginning, because they are used as mask bits. There
are 27 type modifiers; if we add many more we will have to redesign
the mask mechanism. */
/* casts */
RID_CONSTCAST, RID_DYNCAST, RID_REINTCAST, RID_STATCAST,
- /* alternate spellings */
- RID_AND, RID_AND_EQ, RID_NOT, RID_NOT_EQ,
- RID_OR, RID_OR_EQ, RID_XOR, RID_XOR_EQ,
- RID_BITAND, RID_BITOR, RID_COMPL,
-
- /* Objective C */
+ /* Objective-C */
RID_ID, RID_AT_ENCODE, RID_AT_END,
RID_AT_CLASS, RID_AT_ALIAS, RID_AT_DEFS,
RID_AT_PRIVATE, RID_AT_PROTECTED, RID_AT_PUBLIC,
/* The elements of `ridpointers' are identifier nodes for the reserved
type names and storage classes. It is indexed by a RID_... value. */
-extern tree *ridpointers;
+extern GTY ((length ("(int)RID_MAX"))) tree *ridpointers;
/* Standard named or nameless data types of the C compiler. */
CTI_SIGNED_WCHAR_TYPE,
CTI_UNSIGNED_WCHAR_TYPE,
CTI_WINT_TYPE,
- CTI_C_SIZE_TYPE, /* The type used for the size_t typedef and the
- result type of sizeof (an ordinary type without
- TYPE_IS_SIZETYPE set, unlike the internal
- sizetype). */
CTI_SIGNED_SIZE_TYPE, /* For format checking only. */
CTI_UNSIGNED_PTRDIFF_TYPE, /* For format checking only. */
CTI_INTMAX_TYPE,
struct c_common_identifier GTY(())
{
struct tree_common common;
- struct cpp_hashnode GTY ((skip (""))) node;
+ struct cpp_hashnode node;
};
#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 wint_type_node c_global_trees[CTI_WINT_TYPE]
-#define c_size_type_node c_global_trees[CTI_C_SIZE_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 intmax_type_node c_global_trees[CTI_INTMAX_TYPE]
typedef enum c_language_kind
{
- clk_c, /* A dialect of C: K&R C, ANSI/ISO C89, C2000,
- etc. */
- clk_cplusplus, /* ANSI/ISO C++ */
- clk_objective_c /* Objective C */
+ clk_c = 0, /* A dialect of C: K&R C, ANSI/ISO C89, C2000, etc. */
+ clk_cplusplus /* ANSI/ISO C++ */
}
c_language_kind;
tree x_last_expr_type;
/* The last filename we recorded. */
const char *x_last_expr_filename;
- /* In C++, Non-zero if we should treat statements as full
+ /* 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
during that statement. Similarly, if, at the end of a block, we
should destroy any local variables in this block. Normally, this
- variable is non-zero, since those are the normal semantics of
+ variable is nonzero, since those are the normal semantics of
C++.
However, in order to represent aggregate initialization code as
extern c_language_kind c_language;
+/* Nonzero if we can read a PCH file now. */
+
+extern int allow_pch;
+\f
+/* Switches common to the C front ends. */
+
/* Nonzero if prepreprocessing only. */
+
extern int flag_preprocess_only;
+/* The file name to which we should write a precompiled header, or
+ NULL if no header will be written in this compile. */
+
+extern const char *pch_file;
+
/* Nonzero if an ISO standard was selected. It rejects macros in the
user's namespace. */
+
extern int flag_iso;
+/* Nonzero whenever Objective-C functionality is being used. */
+extern int flag_objc;
+
/* Nonzero if -undef was given. It suppresses target built-in macros
and assertions. */
+
extern int flag_undef;
-/* Nonzero means give string constants the type `const char *', rather
- than `char *'. */
+/* Nonzero means don't recognize the non-ANSI builtin functions. */
-extern int flag_const_strings;
+extern int flag_no_builtin;
+
+/* Nonzero means don't recognize the non-ANSI builtin functions.
+ -ansi sets this. */
+
+extern int flag_no_nonansi_builtin;
/* Nonzero means give `double' the same size as `float'. */
/* Nonzero means allow Microsoft extensions without warnings or errors. */
extern int flag_ms_extensions;
-/* Nonzero means warn about use of multicharacter literals. */
-extern int warn_multichar;
+/* Nonzero means don't recognize the keyword `asm'. */
+
+extern int flag_no_asm;
+
+/* Nonzero means give string constants the type `const char *', as mandated
+ by the standard. */
+
+extern int flag_const_strings;
+
+/* Nonzero means `$' can be in an identifier. */
+
+extern int dollars_in_ident;
+
+/* 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;
-/* Warn about *printf or *scanf format/argument anomalies. */
+/* Nonzero means warn about multiple (redundant) decls for the same single
+ variable or function. */
+
+extern int warn_redundant_decls;
+
+/* 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. */
+
+/* Warn about format/argument anomalies in calls to formatted I/O functions
+ (*printf, *scanf, strftime, strfmon, etc.). */
extern int warn_format;
extern int warn_format_security;
-/* Warn about NULL being passed to argument slots marked as requiring
- non-NULL. */
-
-extern int warn_nonnull;
-/* Warn about possible violations of sequence point rules. */
+/* C/ObjC language option variables. */
-extern int warn_sequence_point;
-
-/* Warn about functions which might be candidates for format attributes. */
-extern int warn_missing_format_attribute;
+/* Nonzero means message about use of implicit function declarations;
+ 1 means warning; 2 means error. */
-/* Nonzero means warn about sizeof (function) or addition/subtraction
- of function pointers. */
+extern int mesg_implicit_function_declaration;
-extern int warn_pointer_arith;
+/* Nonzero means allow type mismatches in conditional expressions;
+ just make their values `void'. */
-/* Nonzero means to warn about compile-time division by zero. */
-extern int warn_div_by_zero;
+extern int flag_cond_mismatch;
/* Nonzero means enable C89 Amendment 1 features. */
extern int flag_isoc99;
-/* Nonzero means environment is hosted (i.e., not freestanding) */
+/* Nonzero means that we have builtin functions, and main is an int */
extern int flag_hosted;
extern int flag_noniso_default_format_attributes;
-/* Nonzero means don't recognize any builtin functions. */
+/* 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 flag_no_builtin;
+extern int warn_bad_function_cast;
-/* Nonzero means don't recognize the non-ANSI builtin functions.
- -ansi sets this. */
+/* Warn about traditional constructs whose meanings changed in ANSI C. */
-extern int flag_no_nonansi_builtin;
+extern int warn_traditional;
-/* Nonzero means warn about suggesting putting in ()'s. */
+/* Nonzero means warn for non-prototype function decls
+ or non-prototyped defs without previous prototype. */
-extern int warn_parentheses;
+extern int warn_strict_prototypes;
-/* Warn if a type conversion is done that might have confusing results. */
+/* Nonzero means warn for any global function def
+ without separate previous decl. */
-extern int warn_conversion;
+extern int warn_missing_declarations;
-/* Nonzero means warn about usage of long long,
- when `-pedantic' and not C99. */
+/* 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_long_long;
+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 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;
+
+
+/* ObjC language option variables. */
+
+
+/* Open and close the file for outputting class declarations, if
+ requested (ObjC). */
+
+extern int flag_gen_declaration;
+
+/* Generate code for GNU or NeXT runtime environment. */
+
+extern int flag_next_runtime;
+
+/* Tells the compiler that this is a special run. Do not perform any
+ compiling, instead we are to test some platform dependent features
+ and output a C header file with appropriate definitions. */
+
+extern int print_struct_values;
+
+/* ???. Undocumented. */
+
+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. */
+
+
+/* Nonzero means don't recognize any extension keywords. */
+
+extern int flag_no_gnu_keywords;
+
+/* Nonzero means do emit exported implementations of functions even if
+ they can be inlined. */
+
+extern int flag_implement_inlines;
+
+/* Nonzero means do emit exported implementations of templates, instead of
+ multiple static copies in each file that needs a definition. */
+
+extern int flag_external_templates;
+
+/* Nonzero means that the decision to emit or not emit the implementation of a
+ template depends on where the template is instantiated, rather than where
+ it is defined. */
+
+extern int flag_alt_external_templates;
+
+/* Nonzero means that implicit instantiations will be emitted if needed. */
+
+extern int flag_implicit_templates;
+
+/* Nonzero means that implicit instantiations of inline templates will be
+ emitted if needed, even if instantiations of non-inline templates
+ aren't. */
+
+extern int flag_implicit_inline_templates;
+
+/* Nonzero means generate separate instantiation control files and
+ juggle them at link time. */
+
+extern int flag_use_repository;
+
+/* Nonzero if we want to issue diagnostics that the standard says are not
+ required. */
+
+extern int flag_optional_diags;
+
+/* Nonzero means we should attempt to elide constructors when possible. */
+
+extern int flag_elide_constructors;
+
+/* Nonzero means that member functions defined in class scope are
+ inline by default. */
+
+extern int flag_default_inline;
+
+/* Controls whether compiler generates 'type descriptor' that give
+ run-time type information. */
+
+extern int flag_rtti;
+
+/* Nonzero if we want to conserve space in the .o files. We do this
+ by putting uninitialized data and runtime initialized data into
+ .common instead of .data at the expense of not flagging multiple
+ definitions. */
+
+extern int flag_conserve_space;
+
+/* Nonzero if we want to obey access control semantics. */
+
+extern int flag_access_control;
+
+/* Nonzero if we want to check the return value of new and avoid calling
+ constructors if it is a null pointer. */
+
+extern int flag_check_new;
+
+/* Nonzero if we want the new ISO rules for pushing a new scope for `for'
+ initialization variables.
+ 0: Old rules, set by -fno-for-scope.
+ 2: New ISO rules, set by -ffor-scope.
+ 1: Try to implement new ISO rules, but with backup compatibility
+ (and warnings). This is the default, for now. */
+
+extern int flag_new_for_scope;
+
+/* Nonzero if we want to emit defined symbols with common-like linkage as
+ weak symbols where possible, in order to conform to C++ semantics.
+ Otherwise, emit them as local symbols. */
+
+extern int flag_weak;
+
+/* Nonzero to use __cxa_atexit, rather than atexit, to register
+ destructors for local statics and global objects. */
+
+extern int flag_use_cxa_atexit;
+
+/* Nonzero means output .vtable_{entry,inherit} for use in doing vtable gc. */
+
+extern int flag_vtable_gc;
+
+/* 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
+ assertions and optimize accordingly, but not check them. */
+
+extern int flag_enforce_eh_specs;
+
+/* The version of the C++ ABI in use. The following values are
+ allowed:
+
+ 0: The version of the ABI believed most conformant with the
+ C++ ABI specification. This ABI may change as bugs are
+ discovered and fixed. Therefore, 0 will not necessarily
+ indicate the same ABI in different versions of G++.
+
+ 1: The version of the ABI first used in G++ 3.2.
+
+ Additional positive integers will be assigned as new versions of
+ the ABI become the default version of the ABI. */
+
+extern int flag_abi_version;
+
+/* Nonzero means warn about things that will change when compiling
+ with an ABI-compliant compiler. */
+
+extern int warn_abi;
+
+/* 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. */
+
+extern int warn_deprecated;
+
+/* Maximum template instantiation depth. This limit is rather
+ arbitrary, but it exists to limit the time it takes to notice
+ infinite template instantiations. */
+
+extern int max_tinst_depth;
+
+/* Nonzero means the expression being parsed will never be evaluated.
+ This is a count, since unevaluated expressions can nest. */
+
+extern int skip_evaluation;
/* C types are partitioned into three subsets: object, function, and
incomplete types. */
extern tree handle_format_arg_attribute PARAMS ((tree *, tree, tree,
int, bool *));
extern void c_common_insert_default_attributes PARAMS ((tree));
+extern int c_common_decode_option PARAMS ((int, char **));
extern tree c_common_type_for_mode PARAMS ((enum machine_mode,
int));
extern tree c_common_type_for_size PARAMS ((unsigned int, int));
extern tree c_common_signed_or_unsigned_type PARAMS ((int, tree));
extern tree c_common_truthvalue_conversion PARAMS ((tree));
extern void c_apply_type_quals_to_decl PARAMS ((int, tree));
-extern tree c_sizeof PARAMS ((tree));
-extern tree c_alignof PARAMS ((tree));
+extern tree c_sizeof_or_alignof_type PARAMS ((tree, enum tree_code, int));
extern tree c_alignof_expr PARAMS ((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 PARAMS ((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 PARAMS ((tree));
extern void c_expand_start_cond PARAMS ((tree, int, tree));
extern void c_finish_then PARAMS ((void));
/* Read the rest of the current #-directive line. */
extern char *get_directive_line PARAMS ((void));
#define GET_DIRECTIVE_LINE() get_directive_line ()
+#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)
/* Subroutine of build_binary_op, used for comparison operations.
See if the operands have both been converted from subword integer types
extern tree build_va_arg PARAMS ((tree, tree));
extern void c_common_init_options PARAMS ((enum c_language_kind));
-extern void c_common_post_options PARAMS ((void));
+extern bool c_common_post_options PARAMS ((void));
extern const char *c_common_init PARAMS ((const char *));
extern void c_common_finish PARAMS ((void));
extern void c_common_parse_file PARAMS ((int));
/* 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_EXPR(NODE) TREE_OPERAND (RETURN_STMT_CHECK (NODE), 0)
+#define RETURN_STMT_EXPR(NODE) TREE_OPERAND (RETURN_STMT_CHECK (NODE), 0)
/* EXPR_STMT accessor. This gives the expression associated with an
expression statement. */
/* 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 artifically by the compiler. */
+/* 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
#define STMT_LINENO(NODE) \
(TREE_COMPLEXITY ((NODE)))
-/* If non-zero, the STMT_LINENO for NODE is the line at which the
+/* 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)))
extern const char *init_c_lex PARAMS ((const char *));
+extern void cb_register_builtins PARAMS ((cpp_reader *));
+
+/* Positive if an implicit `extern "C"' scope has just been entered;
+ negative if such a scope has just been exited. */
+extern int pending_lang_change;
+
/* Information recorded about each file examined during compilation. */
struct c_fileinfo
struct c_fileinfo *get_fileinfo PARAMS ((const char *));
extern void dump_time_statistics PARAMS ((void));
+extern int c_dump_tree PARAMS ((void *, tree));
+
+extern void pch_init PARAMS ((void));
+extern int c_common_valid_pch PARAMS ((cpp_reader *pfile,
+ const char *name,
+ int fd));
+extern void c_common_read_pch PARAMS ((cpp_reader *pfile,
+ const char *name,
+ int fd,
+ const char *orig));
+extern void c_common_write_pch PARAMS ((void));
+
#endif /* ! GCC_C_COMMON_H */