/* Definitions for c-common.c.
Copyright (C) 1987, 1993, 1994, 1995, 1997, 1998,
- 1999, 2000, 2001 Free Software Foundation, Inc.
+ 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
This file is part of GCC.
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)
4: SCOPE_PARTIAL_P (in SCOPE_STMT)
*/
RID_VOLATILE, RID_SIGNED, RID_AUTO, RID_RESTRICT,
/* C extensions */
- RID_BOUNDED, RID_UNBOUNDED, RID_COMPLEX,
+ RID_BOUNDED, RID_UNBOUNDED, RID_COMPLEX, RID_THREAD,
/* C++ */
RID_FRIEND, RID_VIRTUAL, RID_EXPLICIT, RID_EXPORT, RID_MUTABLE,
/* 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_PTREXTENT, RID_PTRVALUE, RID_CHOOSE_EXPR, RID_TYPES_COMPATIBLE_P,
/* Too many ways of getting the name of a function as a string */
RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME, RID_C99_FUNCTION_NAME,
/* 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 */
RID_ID, RID_AT_ENCODE, RID_AT_END,
RID_AT_CLASS, RID_AT_ALIAS, RID_AT_DEFS,
/* Identifier part common to the C front ends. Inherits from
tree_identifier, despite appearances. */
-struct c_common_identifier
+struct c_common_identifier GTY(())
{
struct tree_common common;
- struct cpp_hashnode node;
+ struct cpp_hashnode GTY ((skip (""))) node;
};
#define wchar_type_node c_global_trees[CTI_WCHAR_TYPE]
/* A node for `((void) 0)'. */
#define void_zero_node c_global_trees[CTI_VOID_ZERO]
-extern tree c_global_trees[CTI_MAX];
+extern GTY(()) tree c_global_trees[CTI_MAX];
/* Mark which labels are explicitly declared.
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, /* 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;
/* Information about a statement tree. */
-struct stmt_tree_s {
+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;
/* In C++, Non-zero 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
/* Global state pertinent to the current function. Some C dialects
extend this structure with additional fields. */
-struct language_function {
+struct c_language_function GTY(()) {
/* While we are parsing the function, this contains information
about the statement-tree that we are building. */
struct stmt_tree_s x_stmt_tree;
#define last_expr_type (current_stmt_tree ()->x_last_expr_type)
+/* 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
extern void (*lang_expand_stmt) PARAMS ((tree));
extern void (*lang_expand_decl_stmt) PARAMS ((tree));
extern void (*lang_expand_function_end) PARAMS ((void));
+extern tree gettags PARAMS ((void));
/* Callback that determines if it's ok for a function to have no
noreturn attribute. */
extern int (*lang_missing_noreturn_ok_p) PARAMS ((tree));
+extern int yyparse PARAMS ((void));
+extern void free_parser_stacks PARAMS ((void));
extern stmt_tree current_stmt_tree PARAMS ((void));
extern tree *current_scope_stmt_stack PARAMS ((void));
void *));
extern void prep_stmt PARAMS ((tree));
extern void expand_stmt PARAMS ((tree));
-extern void mark_stmt_tree PARAMS ((void *));
+extern void shadow_warning PARAMS ((const char *,
+ tree, tree));
+extern tree c_begin_if_stmt PARAMS ((void));
+extern tree c_begin_while_stmt PARAMS ((void));
+extern void c_finish_while_stmt_cond PARAMS ((tree, tree));
+
/* Extra information associated with a DECL. Other C dialects extend
this structure in various ways. The C front-end only uses this
structure for FUNCTION_DECLs; all other DECLs have a NULL
DECL_LANG_SPECIFIC field. */
-struct c_lang_decl {
+struct c_lang_decl GTY(()) {
unsigned declared_inline : 1;
};
#define DECL_NUM_STMTS(NODE) \
(FUNCTION_DECL_CHECK (NODE)->decl.u1.i)
-extern void c_mark_lang_decl PARAMS ((struct c_lang_decl *));
-
/* The variant of the C language being processed. Each C language
front-end defines this variable. */
extern c_language_kind c_language;
-/* Nonzero means give string constants the type `const char *', rather
- than `char *'. */
+/* Switches common to the C front ends. */
-extern int flag_const_strings;
+/* Nonzero if prepreprocessing only. */
+extern int flag_preprocess_only;
+
+/* 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 don't recognize the non-ANSI builtin functions. */
+
+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'. */
extern int flag_short_wchar;
-/* Warn about *printf or *scanf format/argument anomalies. */
+/* Nonzero means allow Microsoft extensions without warnings or errors. */
+extern int flag_ms_extensions;
+
+/* 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;
+
+/* 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 recognised. */
+
+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_extra_args;
+/* Warn about zero-length formats. */
+
+extern int warn_format_zero_length;
+
/* Warn about non-literal format arguments. */
extern int warn_format_nonliteral;
extern int warn_format_security;
-/* Warn about possible violations of sequence point rules. */
-
-extern int warn_sequence_point;
-
-/* Warn about functions which might be candidates for format attributes. */
-extern int warn_missing_format_attribute;
+/* C/ObjC language option variables. */
-/* Nonzero means warn about sizeof (function) or addition/subtraction
- of function pointers. */
-extern int warn_pointer_arith;
+/* Nonzero means message about use of implicit function declarations;
+ 1 means warning; 2 means error. */
-/* Nonzero means to warn about compile-time division by zero. */
-extern int warn_div_by_zero;
+extern int mesg_implicit_function_declaration;
-/* Nonzero means do some things the same way PCC does. */
+/* Nonzero means allow type mismatches in conditional expressions;
+ just make their values `void'. */
-extern int flag_traditional;
+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;
+
+/* 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;
+
+/* Non-zero 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;
+
+/* Non-zero 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;
+
+/* Non-zero means warn when the compiler will reorder code. */
+
+extern int warn_reorder;
+
+/* Non-zero means warn when synthesis behavior differs from Cfront's. */
+
+extern int warn_synth;
+
+/* Non-zero 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. */
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[];
+
/* Pointer to function to lazily generate the VAR_DECL for __FUNCTION__ etc.
ID is the identifier to use, NAME is the string.
TYPE_DEP indicates whether it depends on type of the function or not
extern tree fname_decl PARAMS ((unsigned, tree));
extern const char *fname_string PARAMS ((unsigned));
+extern void check_function_arguments PARAMS ((tree, tree));
+extern void check_function_arguments_recurse PARAMS ((void (*) (void *,
+ tree,
+ unsigned HOST_WIDE_INT),
+ void *, tree,
+ unsigned HOST_WIDE_INT));
extern void check_function_format PARAMS ((int *, tree, tree));
extern void set_Wformat PARAMS ((int));
extern tree handle_format_attribute PARAMS ((tree *, tree, tree,
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_unsigned_type PARAMS ((tree));
+extern tree c_common_signed_type PARAMS ((tree));
+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));
+extern void c_expand_start_cond PARAMS ((tree, int, tree));
extern void c_finish_then PARAMS ((void));
extern void c_expand_start_else PARAMS ((void));
-extern void c_finish_else PARAMS ((void));
+extern void c_finish_else PARAMS ((void));
extern void c_expand_end_cond PARAMS ((void));
/* Validate the expression after `case' and apply default promotions. */
extern tree check_case_value PARAMS ((tree));
-/* Concatenate a list of STRING_CST nodes into one STRING_CST. */
-extern tree combine_strings PARAMS ((tree));
+extern tree fix_string_type PARAMS ((tree));
+struct varray_head_tag;
+extern tree combine_strings PARAMS ((struct varray_head_tag *));
extern void constant_expression_warning PARAMS ((tree));
extern tree convert_and_check PARAMS ((tree, tree));
extern void overflow_warning PARAMS ((tree));
/* 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
and, if so, perhaps change them both back to their original type. */
extern tree shorten_compare PARAMS ((tree *, tree *, tree *, enum tree_code *));
+extern tree pointer_int_sum PARAMS ((enum tree_code, tree, tree));
extern unsigned int min_precision PARAMS ((tree, int));
/* Add qualifiers to a type, in the fashion for C. */
extern tree build_va_arg PARAMS ((tree, tree));
-extern const char *c_common_lang_init PARAMS ((const char *));
+extern void c_common_init_options PARAMS ((enum c_language_kind));
+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));
extern HOST_WIDE_INT c_common_get_alias_set PARAMS ((tree));
extern bool c_promoting_integer_type_p PARAMS ((tree));
extern int self_promoting_args_p PARAMS ((tree));
-extern tree simple_type_promotes_to PARAMS ((tree));
extern tree strip_array_types PARAMS ((tree));
/* These macros provide convenient access to the various _STMT nodes. */
/* 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. */
#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 and body
+/* 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. */
/* 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. */
+#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
/* 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))
+
/* 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)
+/* 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)))
#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. */
#undef DEFTREECODE
-extern void add_c_tree_codes PARAMS ((void));
extern void genrtl_do_pushlevel PARAMS ((void));
extern void genrtl_goto_stmt PARAMS ((tree));
extern void genrtl_expr_stmt PARAMS ((tree));
+extern void genrtl_expr_stmt_value PARAMS ((tree, int, int));
extern void genrtl_decl_stmt PARAMS ((tree));
extern void genrtl_if_stmt PARAMS ((tree));
extern void genrtl_while_stmt PARAMS ((tree));
extern void genrtl_asm_stmt PARAMS ((tree, tree,
tree, tree,
tree, int));
-extern void genrtl_decl_cleanup PARAMS ((tree, tree));
+extern void genrtl_decl_cleanup PARAMS ((tree));
extern int stmts_are_full_exprs_p PARAMS ((void));
extern int anon_aggr_type_p PARAMS ((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 PARAMS ((tree, tree, tree, tree, int, const char *, int));
/* These functions must be defined by each front-end which implements
after entering or leaving a header file. */
extern void extract_interface_info PARAMS ((void));
-extern void mark_c_language_function PARAMS ((struct language_function *));
-
extern int case_compare PARAMS ((splay_tree_key,
splay_tree_key));
different implementations. Used in c-common.c. */
extern tree lookup_label PARAMS ((tree));
-/* If this variable is defined to a non-NULL value, it will be called
- after the file has been completely parsed. The argument will be
- the GLOBAL_NAMESPACE in C++, or the list of top-level declarations
- in C. */
-extern void (*back_end_hook) PARAMS ((tree));
-
-#ifdef RTX_CODE
-
-extern struct rtx_def *c_expand_expr PARAMS ((tree, rtx,
+extern rtx c_expand_expr PARAMS ((tree, rtx,
enum machine_mode,
- enum expand_modifier));
+ int));
extern int c_safe_from_p PARAMS ((rtx, tree));
-#endif
-extern int c_unsafe_for_reeval PARAMS ((tree));
+extern int c_staticp PARAMS ((tree));
+
+extern int c_common_unsafe_for_reeval PARAMS ((tree));
+
+extern const char *init_c_lex PARAMS ((const char *));
+
+extern void cb_register_builtins PARAMS ((cpp_reader *));
/* Information recorded about each file examined during compilation. */
struct c_fileinfo *get_fileinfo PARAMS ((const char *));
extern void dump_time_statistics PARAMS ((void));
+extern int c_dump_tree PARAMS ((void *, tree));
+
#endif /* ! GCC_C_COMMON_H */
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