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Diffstat (limited to 'gcc-4.2.1/gcc/c-common.h')
| -rw-r--r-- | gcc-4.2.1/gcc/c-common.h | 974 |
1 files changed, 0 insertions, 974 deletions
diff --git a/gcc-4.2.1/gcc/c-common.h b/gcc-4.2.1/gcc/c-common.h deleted file mode 100644 index af19c90b6..000000000 --- a/gcc-4.2.1/gcc/c-common.h +++ /dev/null @@ -1,974 +0,0 @@ -/* Definitions for c-common.c. - Copyright (C) 1987, 1993, 1994, 1995, 1997, 1998, - 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free -Software Foundation; either version 2, or (at your option) any later -version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -for more details. - -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, 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301, USA. */ - -#ifndef GCC_C_COMMON_H -#define GCC_C_COMMON_H - -#include "splay-tree.h" -#include "cpplib.h" -#include "ggc.h" - -/* Usage of TREE_LANG_FLAG_?: - 0: TREE_NEGATED_INT (in INTEGER_CST). - IDENTIFIER_MARKED (used by search routines). - DECL_PRETTY_FUNCTION_P (in VAR_DECL) - 1: C_DECLARED_LABEL_FLAG (in LABEL_DECL) - 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++, 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. */ - -enum rid -{ - /* Modifiers: */ - /* C, in empirical order of frequency. */ - RID_STATIC = 0, - RID_UNSIGNED, RID_LONG, RID_CONST, RID_EXTERN, - RID_REGISTER, RID_TYPEDEF, RID_SHORT, RID_INLINE, - RID_VOLATILE, RID_SIGNED, RID_AUTO, RID_RESTRICT, - - /* C extensions */ - RID_COMPLEX, RID_THREAD, - - /* C++ */ - RID_FRIEND, RID_VIRTUAL, RID_EXPLICIT, RID_EXPORT, RID_MUTABLE, - - /* ObjC */ - RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF, RID_ONEWAY, - - /* C */ - RID_INT, RID_CHAR, RID_FLOAT, RID_DOUBLE, RID_VOID, - RID_ENUM, RID_STRUCT, RID_UNION, RID_IF, RID_ELSE, - RID_WHILE, RID_DO, RID_FOR, RID_SWITCH, RID_CASE, - RID_DEFAULT, RID_BREAK, RID_CONTINUE, RID_RETURN, RID_GOTO, - RID_SIZEOF, - - /* C extensions */ - RID_ASM, RID_TYPEOF, RID_ALIGNOF, RID_ATTRIBUTE, RID_VA_ARG, - 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, - - /* C++ */ - RID_BOOL, RID_WCHAR, RID_CLASS, - 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_USING, - - /* casts */ - RID_CONSTCAST, RID_DYNCAST, RID_REINTCAST, RID_STATCAST, - - /* Objective-C */ - 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_THROW, RID_AT_TRY, RID_AT_CATCH, - RID_AT_FINALLY, RID_AT_SYNCHRONIZED, - RID_AT_INTERFACE, - RID_AT_IMPLEMENTATION, - - RID_MAX, - - RID_FIRST_MODIFIER = RID_STATIC, - RID_LAST_MODIFIER = RID_ONEWAY, - - RID_FIRST_AT = RID_AT_ENCODE, - RID_LAST_AT = RID_AT_IMPLEMENTATION, - RID_FIRST_PQ = RID_IN, - RID_LAST_PQ = RID_ONEWAY -}; - -#define OBJC_IS_AT_KEYWORD(rid) \ - ((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) - -/* 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; - -/* Standard named or nameless data types of the C compiler. */ - -enum c_tree_index -{ - CTI_WCHAR_TYPE, - CTI_SIGNED_WCHAR_TYPE, - CTI_UNSIGNED_WCHAR_TYPE, - CTI_WINT_TYPE, - CTI_SIGNED_SIZE_TYPE, /* For format checking only. */ - CTI_UNSIGNED_PTRDIFF_TYPE, /* For format checking only. */ - CTI_INTMAX_TYPE, - CTI_UINTMAX_TYPE, - CTI_WIDEST_INT_LIT_TYPE, - CTI_WIDEST_UINT_LIT_TYPE, - - CTI_CHAR_ARRAY_TYPE, - CTI_WCHAR_ARRAY_TYPE, - CTI_INT_ARRAY_TYPE, - CTI_STRING_TYPE, - CTI_CONST_STRING_TYPE, - - /* Type for boolean expressions (bool in C++, int in C). */ - CTI_TRUTHVALUE_TYPE, - CTI_TRUTHVALUE_TRUE, - CTI_TRUTHVALUE_FALSE, - - CTI_DEFAULT_FUNCTION_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 C_RID_CODE(id) (((struct c_common_identifier *) (id))->node.rid_code) - -/* Identifier part common to the C front ends. Inherits from - tree_identifier, despite appearances. */ -struct c_common_identifier GTY(()) -{ - struct tree_common common; - 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 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] -#define uintmax_type_node c_global_trees[CTI_UINTMAX_TYPE] -#define widest_integer_literal_type_node c_global_trees[CTI_WIDEST_INT_LIT_TYPE] -#define widest_unsigned_literal_type_node c_global_trees[CTI_WIDEST_UINT_LIT_TYPE] - -#define truthvalue_type_node c_global_trees[CTI_TRUTHVALUE_TYPE] -#define truthvalue_true_node c_global_trees[CTI_TRUTHVALUE_TRUE] -#define truthvalue_false_node c_global_trees[CTI_TRUTHVALUE_FALSE] - -#define char_array_type_node c_global_trees[CTI_CHAR_ARRAY_TYPE] -#define wchar_array_type_node c_global_trees[CTI_WCHAR_ARRAY_TYPE] -#define int_array_type_node c_global_trees[CTI_INT_ARRAY_TYPE] -#define string_type_node c_global_trees[CTI_STRING_TYPE] -#define const_string_type_node c_global_trees[CTI_CONST_STRING_TYPE] - -#define default_function_type c_global_trees[CTI_DEFAULT_FUNCTION_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] -#define saved_function_name_decls c_global_trees[CTI_SAVED_FUNCTION_NAME_DECLS] - -/* 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 - tree for size reasons. */ -struct sorted_fields_type GTY(()) -{ - int len; - tree GTY((length ("%h.len"))) elts[1]; -}; - -/* 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) - -typedef enum c_language_kind -{ - clk_c = 0, /* C90, C94 or C99 */ - clk_objc = 1, /* clk_c with ObjC features. */ - clk_cxx = 2, /* ANSI/ISO C++ */ - clk_objcxx = 3 /* clk_cxx with ObjC features. */ -} -c_language_kind; - -/* To test for a specific language use c_language, defined by each - front end. For "ObjC features" or "not C++" use the macros. */ -extern c_language_kind c_language; - -#define c_dialect_cxx() (c_language & clk_cxx) -#define c_dialect_objc() (c_language & clk_objc) -#define c_dialect_objcxx() (c_language & clk_objcxx) /* ANDROID LOCAL */ - -/* Information about a statement tree. */ - -struct stmt_tree_s GTY(()) { - /* 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 - during that statement. Similarly, if, at the end of a block, we - should destroy any local variables in this block. Normally, this - variable is nonzero, since those are the normal semantics of - C++. - - However, in order to represent aggregate initialization code as - tree structure, we use statement-expressions. The statements - within the statement expression should not result in cleanups - being run until the entire enclosing statement is complete. - - This flag has no effect in C. */ - int stmts_are_full_exprs_p; -}; - -typedef struct stmt_tree_s *stmt_tree; - -/* Global state pertinent to the current function. Some C dialects - extend this structure with additional fields. */ - -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; -}; - -/* 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. */ - -#define cur_stmt_list (current_stmt_tree ()->x_cur_stmt_list) - -/* Language-specific hooks. */ - -/* 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 stmt_tree current_stmt_tree (void); -extern tree push_stmt_list (void); -extern tree pop_stmt_list (tree); -extern tree add_stmt (tree); -extern void push_cleanup (tree, tree, bool); -extern tree pushdecl_top_level (tree); -extern tree pushdecl (tree); -extern tree build_modify_expr (tree, enum tree_code, tree); -extern tree build_indirect_ref (tree, const char *); - -extern 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); - -/* Switches common to the C front ends. */ - -/* Nonzero if prepreprocessing only. */ - -extern int flag_preprocess_only; - -/* Zero means that faster, ...NonNil variants of objc_msgSend... - calls will be used in ObjC; passing nil receivers to such calls - will most likely result in crashes. */ -extern int flag_nil_receivers; - -/* Nonzero means that we will allow new ObjC exception syntax (@throw, - @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 int flag_zero_link; - -/* Nonzero means emit an '__OBJC, __image_info' for the current translation - unit. It will inform the ObjC runtime that class definition(s) herein - contained are to replace one(s) previously loaded. */ -extern int flag_replace_objc_classes; - -/* Nonzero means don't output line number information. */ - -extern char flag_no_line_commands; - -/* Nonzero causes -E output not to be done, but directives such as - #define that have side effects are still obeyed. */ - -extern char flag_no_output; - -/* Nonzero means dump macros in some fashion; contains the 'D', 'M' or - 'N' of the command line switch. */ - -extern char flag_dump_macros; - -/* Nonzero means pass #include lines through to the output. */ - -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 const char *pch_file; - -/* Nonzero if an ISO standard was selected. It rejects macros in the - user's namespace. */ - -extern int flag_iso; - -/* 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_double; - -/* Nonzero means give `wchar_t' the same size as `short'. */ - -extern int flag_short_wchar; - -/* 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 to treat bitfields as signed unless they say `unsigned'. */ - -extern int flag_signed_bitfields; - -/* 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; - - -/* C/ObjC language option variables. */ - - -/* Nonzero means allow type mismatches in conditional expressions; - just make their values `void'. */ - -extern int flag_cond_mismatch; - -/* Nonzero means enable C89 Amendment 1 features. */ - -extern int flag_isoc94; - -/* Nonzero means use the ISO C99 dialect of C. */ - -extern int flag_isoc99; - -/* Nonzero means that we have builtin functions, and main is an int. */ - -extern int flag_hosted; - -/* Warn if main is suspicious. */ - -extern int warn_main; - - -/* ObjC language option variables. */ - - -/* Open and close the file for outputting class declarations, if - requested (ObjC). */ - -extern int flag_gen_declaration; - -/* 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; - - -/* 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 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; - -/* 0 means we want the preprocessor to not emit line directives for - the current working directory. 1 means we want it to do it. -1 - means we should decide depending on whether debugging information - is being emitted or not. */ - -extern int flag_working_directory; - -/* Nonzero to use __cxa_atexit, rather than atexit, to register - destructors for local statics and global objects. */ - -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_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 (the default) means to generate thread-safe code for - initializing local statics. */ - -extern int flag_threadsafe_statics; - -/* Nonzero means warn about implicit declarations. */ - -extern int warn_implicit; - -/* 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_strict_null_sentinel; - -/* 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. */ -#define C_TYPE_OBJECT_P(type) \ - (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type)) - -#define C_TYPE_INCOMPLETE_P(type) \ - (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type) == 0) - -#define C_TYPE_FUNCTION_P(type) \ - (TREE_CODE (type) == FUNCTION_TYPE) - -/* For convenience we define a single macro to identify the class of - object or incomplete types. */ -#define C_TYPE_OBJECT_OR_INCOMPLETE_P(type) \ - (!C_TYPE_FUNCTION_P (type)) - -/* 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 - (i.e. __PRETTY_FUNCTION__). */ - -extern tree (*make_fname_decl) (tree, int); - -extern tree identifier_global_value (tree); -extern void record_builtin_type (enum rid, const char *, tree); -extern tree build_void_list_node (void); -extern void start_fname_decls (void); -extern void finish_fname_decls (void); -extern const char *fname_as_string (int); -extern tree fname_decl (unsigned, tree); - -extern 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 (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 int c_common_handle_option (size_t code, const char *arg, int value); -extern bool c_common_missing_argument (const char *opt, size_t code); -extern tree c_common_type_for_mode (enum machine_mode, int); -extern tree c_common_type_for_size (unsigned int, int); -extern tree c_common_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, 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); -extern tree fix_string_type (tree); -struct varray_head_tag; -extern void constant_expression_warning (tree); -extern bool 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 bool c_determine_visibility (tree); -extern bool same_scalar_type_ignoring_signedness (tree, tree); - -#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 - and, if so, perhaps change them both back to their original type. */ -extern tree shorten_compare (tree *, tree *, tree *, enum tree_code *); - -extern tree pointer_int_sum (enum tree_code, tree, tree); -extern unsigned int min_precision (tree, int); - -/* Add qualifiers to a type, in the fashion for C. */ -extern tree c_build_qualified_type (tree, int); - -/* Build tree nodes and builtin functions common to both C and C++ language - 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 bool c_common_post_options (const char **); -extern bool c_common_init (void); -extern void c_common_finish (void); -extern void c_common_parse_file (int); -extern HOST_WIDE_INT c_common_get_alias_set (tree); -extern void c_register_builtin_type (tree, const char*); -extern bool c_promoting_integer_type_p (tree); -extern int self_promoting_args_p (tree); -extern tree strip_array_types (tree); -extern 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 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_EXPR_DECL (COMPOUND_LITERAL_EXPR_DECL_STMT (NODE)) - -#define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM, - -enum c_tree_code { - C_DUMMY_TREE_CODE = LAST_AND_UNUSED_TREE_CODE, -#include "c-common.def" - LAST_C_TREE_CODE -}; - -#undef DEFTREECODE - -extern int anon_aggr_type_p (tree); - -/* For a VAR_DECL that is an anonymous union, these are the various - sub-variables that make up the anonymous union. */ -#define DECL_ANON_UNION_ELEMS(NODE) DECL_ARGUMENTS ((NODE)) - -/* In a FIELD_DECL, nonzero if the decl was originally a bitfield. */ -#define DECL_C_BIT_FIELD(NODE) \ - (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) == 1) -#define SET_DECL_C_BIT_FIELD(NODE) \ - (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 1) -#define CLEAR_DECL_C_BIT_FIELD(NODE) \ - (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 0) - -extern void emit_local_var (tree); -extern tree do_case (tree, tree); -extern tree build_stmt (enum tree_code, ...); -extern tree build_case_label (tree, tree, tree); - -/* These functions must be defined by each front-end which implements - a variant of the C language. They are used in c-common.c. */ - -extern tree build_unary_op (enum tree_code, tree, int); -extern tree build_binary_op (enum tree_code, tree, tree, int); -extern tree 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. - Given two compatible ANSI C types, returns the merged type. */ - -extern tree common_type (tree, tree); - -extern tree decl_constant_value (tree); - -/* Handle increment and decrement of boolean types. */ -extern tree boolean_increment (enum tree_code, tree); - -extern int case_compare (splay_tree_key, splay_tree_key); - -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 int vector_types_convertible_p (tree t1, tree t2); - -extern rtx c_expand_expr (tree, rtx, enum machine_mode, int, rtx *); - -extern tree c_staticp (tree); - -extern void init_c_lex (void); - -extern void c_cpp_builtins (cpp_reader *); - -/* Positive if an implicit `extern "C"' scope has just been entered; - negative if such a scope has just been exited. */ -extern GTY(()) int pending_lang_change; - -/* Information recorded about each file examined during compilation. */ - -struct c_fileinfo -{ - int time; /* Time spent in the file. */ - - /* 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; -}; - -struct c_fileinfo *get_fileinfo (const char *); -extern void dump_time_statistics (void); - -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); -extern void warn_about_parentheses (enum tree_code, enum tree_code, - enum tree_code); - - -/* 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 void c_parse_error (const char *, enum cpp_ttype, 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_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 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 init_pp_output (FILE *); -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 */ |