/* Language-specific hooks. */
-extern int (*lang_gimplify_stmt) (tree *);
extern void (*lang_expand_function_end) (void);
/* Callback that determines if it's ok for a function to have no
extern tree re_push_stmt_list (tree);
extern tree pop_stmt_list (tree);
extern tree add_stmt (tree);
-extern void add_decl_stmt (tree);
extern void push_cleanup (tree, tree, bool);
extern tree walk_stmt_tree (tree *, walk_tree_fn, void *);
-extern void prep_stmt (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 bool has_c_linkage (tree decl);
\f
/* Switches common to the C front ends. */
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. */
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 recognized. */
extern int warn_unknown_pragmas; /* Tri state variable. */
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 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_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 invalid uses of offsetof. */
-
-extern int warn_invalid_offsetof;
-
/* 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. */
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 *);
#define my_friendly_assert(EXP, N) (void) \
(((EXP) == 0) ? (fancy_abort (__FILE__, __LINE__, __FUNCTION__), 0) : 0)
-extern tree c_expand_expr_stmt (tree);
/* Validate the expression after `case' and apply default promotions. */
extern tree check_case_value (tree);
extern tree fix_string_type (tree);
#define STATEMENT_LIST_STMT_EXPR(NODE) \
TREE_LANG_FLAG_1 (STATEMENT_LIST_CHECK (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 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)
#define SWITCH_TYPE(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 2)
-/* 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)
#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))
-
-/* The body of the CLEANUP_STMT. */
-#define CLEANUP_BODY(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 VAR_DECL to clean up in a CLEANUP_STMT. */
-#define CLEANUP_DECL(NODE) \
- TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 2)
+ 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, \
- DECL_STMT, IF_STMT, FOR_STMT, \
- WHILE_STMT, DO_STMT, RETURN_STMT, \
+ EXPR_STMT, FOR_STMT, \
+ WHILE_STMT, DO_STMT, \
BREAK_STMT, CONTINUE_STMT, SWITCH_STMT
/* TRUE if a code represents a statement. The front end init
extern void emit_local_var (tree);
extern void make_rtl_for_local_static (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);
extern void c_expand_asm_operands (tree, tree, tree, tree, int, location_t);
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 rtx c_expand_expr (tree, rtx, enum machine_mode, int, rtx *);
-extern int c_safe_from_p (rtx, tree);
-
extern int c_staticp (tree);
extern int c_common_unsafe_for_reeval (tree);
extern bool c_dump_tree (void *, tree);
-extern int c_gimplify_expr (tree *, tree *, tree *);
-extern tree c_walk_subtrees (tree*, int*, walk_tree_fn, void*, void*);
-
extern void c_warn_unused_result (tree *);
-/* In c-simplify.c */
+extern void verify_sequence_points (tree);
+
+/* In c-gimplify.c */
extern void c_genericize (tree);
-extern int c_gimplify_stmt (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);
+
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 *);
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