1/* Definitions for c-common.c. 2 Copyright (C) 1987, 1993, 1994, 1995, 1997, 1998, |
3 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. |
4 5This file is part of GCC. 6 7GCC is free software; you can redistribute it and/or modify it under 8the terms of the GNU General Public License as published by the Free 9Software Foundation; either version 2, or (at your option) any later 10version. 11 --- 7 unchanged lines hidden (view full) --- 19Software Foundation, 59 Temple Place - Suite 330, Boston, MA 2002111-1307, USA. */ 21 22#ifndef GCC_C_COMMON_H 23#define GCC_C_COMMON_H 24 25#include "splay-tree.h" 26#include "cpplib.h" |
27#include "ggc.h" |
28 29/* Usage of TREE_LANG_FLAG_?: 30 0: COMPOUND_STMT_NO_SCOPE (in COMPOUND_STMT). 31 TREE_NEGATED_INT (in INTEGER_CST). 32 IDENTIFIER_MARKED (used by search routines). 33 SCOPE_BEGIN_P (in SCOPE_STMT) 34 DECL_PRETTY_FUNCTION_P (in VAR_DECL) 35 NEW_FOR_SCOPE_P (in FOR_STMT) 36 ASM_INPUT_P (in ASM_STMT) 37 STMT_EXPR_NO_SCOPE (in STMT_EXPR) 38 1: C_DECLARED_LABEL_FLAG (in LABEL_DECL) 39 STMT_IS_FULL_EXPR_P (in _STMT) 40 2: STMT_LINENO_FOR_FN_P (in _STMT) 41 3: SCOPE_NO_CLEANUPS_P (in SCOPE_STMT) 42 COMPOUND_STMT_BODY_BLOCK (in COMPOUND_STMT) |
43 STMT_EXPR_WARN_UNUSED_RESULT (in STMT_EXPR) |
44 4: SCOPE_PARTIAL_P (in SCOPE_STMT) 45*/ 46 47/* Reserved identifiers. This is the union of all the keywords for C, 48 C++, and Objective-C. All the type modifiers have to be in one 49 block at the beginning, because they are used as mask bits. There 50 are 27 type modifiers; if we add many more we will have to redesign 51 the mask mechanism. */ 52 53enum rid 54{ 55 /* Modifiers: */ 56 /* C, in empirical order of frequency. */ 57 RID_STATIC = 0, 58 RID_UNSIGNED, RID_LONG, RID_CONST, RID_EXTERN, 59 RID_REGISTER, RID_TYPEDEF, RID_SHORT, RID_INLINE, 60 RID_VOLATILE, RID_SIGNED, RID_AUTO, RID_RESTRICT, 61 62 /* C extensions */ |
63 RID_COMPLEX, RID_THREAD, |
64 65 /* C++ */ 66 RID_FRIEND, RID_VIRTUAL, RID_EXPLICIT, RID_EXPORT, RID_MUTABLE, 67 68 /* ObjC */ 69 RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF, RID_ONEWAY, 70 71 /* C */ --- 11 unchanged lines hidden (view full) --- 83 /* Too many ways of getting the name of a function as a string */ 84 RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME, RID_C99_FUNCTION_NAME, 85 86 /* C++ */ 87 RID_BOOL, RID_WCHAR, RID_CLASS, 88 RID_PUBLIC, RID_PRIVATE, RID_PROTECTED, 89 RID_TEMPLATE, RID_NULL, RID_CATCH, 90 RID_DELETE, RID_FALSE, RID_NAMESPACE, |
91 RID_NEW, RID_OFFSETOF, RID_OPERATOR, 92 RID_THIS, RID_THROW, RID_TRUE, 93 RID_TRY, RID_TYPENAME, RID_TYPEID, 94 RID_USING, |
95 96 /* casts */ 97 RID_CONSTCAST, RID_DYNCAST, RID_REINTCAST, RID_STATCAST, 98 99 /* Objective-C */ 100 RID_ID, RID_AT_ENCODE, RID_AT_END, 101 RID_AT_CLASS, RID_AT_ALIAS, RID_AT_DEFS, 102 RID_AT_PRIVATE, RID_AT_PROTECTED, RID_AT_PUBLIC, |
103 RID_AT_PROTOCOL, RID_AT_SELECTOR, 104 RID_AT_THROW, RID_AT_TRY, RID_AT_CATCH, 105 RID_AT_FINALLY, RID_AT_SYNCHRONIZED, 106 RID_AT_INTERFACE, |
107 RID_AT_IMPLEMENTATION, 108 109 RID_MAX, 110 111 RID_FIRST_MODIFIER = RID_STATIC, 112 RID_LAST_MODIFIER = RID_ONEWAY, 113 114 RID_FIRST_AT = RID_AT_ENCODE, --- 7 unchanged lines hidden (view full) --- 122 (unsigned int)(rid) <= (unsigned int)RID_LAST_AT) 123 124#define OBJC_IS_PQ_KEYWORD(rid) \ 125 ((unsigned int)(rid) >= (unsigned int)RID_FIRST_PQ && \ 126 (unsigned int)(rid) <= (unsigned int)RID_LAST_PQ) 127 128/* The elements of `ridpointers' are identifier nodes for the reserved 129 type names and storage classes. It is indexed by a RID_... value. */ |
130extern GTY ((length ("(int)RID_MAX"))) tree *ridpointers; |
131 132/* Standard named or nameless data types of the C compiler. */ 133 134enum c_tree_index 135{ 136 CTI_WCHAR_TYPE, 137 CTI_SIGNED_WCHAR_TYPE, 138 CTI_UNSIGNED_WCHAR_TYPE, --- 7 unchanged lines hidden (view full) --- 146 147 CTI_CHAR_ARRAY_TYPE, 148 CTI_WCHAR_ARRAY_TYPE, 149 CTI_INT_ARRAY_TYPE, 150 CTI_STRING_TYPE, 151 CTI_CONST_STRING_TYPE, 152 153 /* Type for boolean expressions (bool in C++, int in C). */ |
154 CTI_TRUTHVALUE_TYPE, 155 CTI_TRUTHVALUE_TRUE, 156 CTI_TRUTHVALUE_FALSE, 157 |
158 CTI_DEFAULT_FUNCTION_TYPE, 159 160 CTI_G77_INTEGER_TYPE, 161 CTI_G77_UINTEGER_TYPE, 162 CTI_G77_LONGINT_TYPE, 163 CTI_G77_ULONGINT_TYPE, 164 165 /* These are not types, but we have to look them up all the time. */ --- 9 unchanged lines hidden (view full) --- 175 176#define C_RID_CODE(id) (((struct c_common_identifier *) (id))->node.rid_code) 177 178/* Identifier part common to the C front ends. Inherits from 179 tree_identifier, despite appearances. */ 180struct c_common_identifier GTY(()) 181{ 182 struct tree_common common; |
183 struct cpp_hashnode node; |
184}; 185 186#define wchar_type_node c_global_trees[CTI_WCHAR_TYPE] 187#define signed_wchar_type_node c_global_trees[CTI_SIGNED_WCHAR_TYPE] 188#define unsigned_wchar_type_node c_global_trees[CTI_UNSIGNED_WCHAR_TYPE] 189#define wint_type_node c_global_trees[CTI_WINT_TYPE] 190#define signed_size_type_node c_global_trees[CTI_SIGNED_SIZE_TYPE] 191#define unsigned_ptrdiff_type_node c_global_trees[CTI_UNSIGNED_PTRDIFF_TYPE] 192#define intmax_type_node c_global_trees[CTI_INTMAX_TYPE] 193#define uintmax_type_node c_global_trees[CTI_UINTMAX_TYPE] 194#define widest_integer_literal_type_node c_global_trees[CTI_WIDEST_INT_LIT_TYPE] 195#define widest_unsigned_literal_type_node c_global_trees[CTI_WIDEST_UINT_LIT_TYPE] 196 |
197#define truthvalue_type_node c_global_trees[CTI_TRUTHVALUE_TYPE] 198#define truthvalue_true_node c_global_trees[CTI_TRUTHVALUE_TRUE] 199#define truthvalue_false_node c_global_trees[CTI_TRUTHVALUE_FALSE] |
200 |
201#define char_array_type_node c_global_trees[CTI_CHAR_ARRAY_TYPE] 202#define wchar_array_type_node c_global_trees[CTI_WCHAR_ARRAY_TYPE] 203#define int_array_type_node c_global_trees[CTI_INT_ARRAY_TYPE] 204#define string_type_node c_global_trees[CTI_STRING_TYPE] 205#define const_string_type_node c_global_trees[CTI_CONST_STRING_TYPE] 206 207#define default_function_type c_global_trees[CTI_DEFAULT_FUNCTION_TYPE] 208 --- 8 unchanged lines hidden (view full) --- 217#define c99_function_name_decl_node c_global_trees[CTI_C99_FUNCTION_NAME_DECL] 218#define saved_function_name_decls c_global_trees[CTI_SAVED_FUNCTION_NAME_DECLS] 219 220/* A node for `((void) 0)'. */ 221#define void_zero_node c_global_trees[CTI_VOID_ZERO] 222 223extern GTY(()) tree c_global_trees[CTI_MAX]; 224 |
225/* In a RECORD_TYPE, a sorted array of the fields of the type, not a 226 tree for size reasons. */ 227struct sorted_fields_type GTY(()) 228{ 229 int len; 230 tree GTY((length ("%h.len"))) elts[1]; 231}; 232 |
233/* Mark which labels are explicitly declared. 234 These may be shadowed, and may be referenced from nested functions. */ 235#define C_DECLARED_LABEL_FLAG(label) TREE_LANG_FLAG_1 (label) 236 237/* Flag strings given by __FUNCTION__ and __PRETTY_FUNCTION__ for a 238 warning if they undergo concatenation. */ 239#define C_ARTIFICIAL_STRING_P(NODE) TREE_LANG_FLAG_0 (NODE) 240 241typedef enum c_language_kind 242{ |
243 clk_c = 0, /* C90, C94 or C99 */ 244 clk_objc = 1, /* clk_c with ObjC features. */ 245 clk_cxx = 2, /* ANSI/ISO C++ */ 246 clk_objcxx = 3 /* clk_cxx with ObjC features. */ |
247} 248c_language_kind; 249 |
250/* To test for a specific language use c_language, defined by each 251 front end. For "ObjC features" or "not C++" use the macros. */ 252extern c_language_kind c_language; 253 254#define c_dialect_cxx() (c_language & clk_cxx) 255#define c_dialect_objc() (c_language & clk_objc) 256 |
257/* Information about a statement tree. */ 258 259struct stmt_tree_s GTY(()) { 260 /* The last statement added to the tree. */ 261 tree x_last_stmt; 262 /* The type of the last expression statement. (This information is 263 needed to implement the statement-expression extension.) */ 264 tree x_last_expr_type; --- 51 unchanged lines hidden (view full) --- 316 do { \ 317 substmt = TREE_CHAIN (stmt); \ 318 TREE_CHAIN (stmt) = NULL_TREE; \ 319 last_tree = stmt; \ 320 } while (0) 321 322/* Language-specific hooks. */ 323 |
324extern void (*lang_expand_stmt) (tree); 325extern void (*lang_expand_decl_stmt) (tree); 326extern void (*lang_expand_function_end) (void); |
327 328/* Callback that determines if it's ok for a function to have no 329 noreturn attribute. */ |
330extern int (*lang_missing_noreturn_ok_p) (tree); |
331 |
332extern int yyparse (void); 333extern stmt_tree current_stmt_tree (void); 334extern tree *current_scope_stmt_stack (void); 335extern void begin_stmt_tree (tree *); 336extern tree add_stmt (tree); 337extern void add_decl_stmt (tree); 338extern tree add_scope_stmt (int, int); 339extern void finish_stmt_tree (tree *); |
340 |
341extern tree walk_stmt_tree (tree *, walk_tree_fn, void *); 342extern void prep_stmt (tree); 343extern void expand_stmt (tree); 344extern tree c_begin_if_stmt (void); 345extern tree c_begin_while_stmt (void); 346extern void c_finish_while_stmt_cond (tree, tree); |
347 |
348extern int field_decl_cmp (const void *, const void *); 349extern void resort_sorted_fields (void *, void *, gt_pointer_operator, 350 void *); 351 352/* Switches common to the C front ends. */ |
353 |
354/* Nonzero if prepreprocessing only. */ |
355 |
356extern int flag_preprocess_only; |
357 |
358/* Zero means that faster, ...NonNil variants of objc_msgSend... 359 calls will be used in ObjC; passing nil receivers to such calls 360 will most likely result in crashes. */ 361extern int flag_nil_receivers; |
362 |
363/* Nonzero means that we will allow new ObjC exception syntax (@throw, 364 @try, etc.) in source code. */ 365extern int flag_objc_exceptions; |
366 |
367/* Nonzero means that code generation will be altered to support 368 "zero-link" execution. This currently affects ObjC only, but may 369 affect other languages in the future. */ 370extern int flag_zero_link; |
371 |
372/* Nonzero means emit an '__OBJC, __image_info' for the current translation 373 unit. It will inform the ObjC runtime that class definition(s) herein 374 contained are to replace one(s) previously loaded. */ 375extern int flag_replace_objc_classes; |
376 |
377/* Nonzero means don't output line number information. */ |
378 |
379extern char flag_no_line_commands; |
380 |
381/* Nonzero causes -E output not to be done, but directives such as 382 #define that have side effects are still obeyed. */ 383 384extern char flag_no_output; 385 386/* Nonzero means dump macros in some fashion; contains the 'D', 'M' or 387 'N' of the command line switch. */ 388 389extern char flag_dump_macros; 390 391/* Nonzero means pass #include lines through to the output. */ 392 393extern char flag_dump_includes; 394 395/* The file name to which we should write a precompiled header, or 396 NULL if no header will be written in this compile. */ 397 398extern const char *pch_file; 399 |
400/* Nonzero if an ISO standard was selected. It rejects macros in the 401 user's namespace. */ |
402 |
403extern int flag_iso; 404 |
405/* Nonzero if -undef was given. It suppresses target built-in macros 406 and assertions. */ |
407 |
408extern int flag_undef; 409 410/* Nonzero means don't recognize the non-ANSI builtin functions. */ 411 412extern int flag_no_builtin; 413 414/* Nonzero means don't recognize the non-ANSI builtin functions. 415 -ansi sets this. */ --- 15 unchanged lines hidden (view full) --- 431 432extern int flag_no_asm; 433 434/* Nonzero means give string constants the type `const char *', as mandated 435 by the standard. */ 436 437extern int flag_const_strings; 438 |
439/* Nonzero means to treat bitfields as signed unless they say `unsigned'. */ 440 441extern int flag_signed_bitfields; 442extern int explicit_flag_signed_bitfields; 443 444/* Nonzero means warn about pointer casts that can drop a type qualifier 445 from the pointer target type. */ 446 --- 105 unchanged lines hidden (view full) --- 552/* Nonzero means use the ISO C99 dialect of C. */ 553 554extern int flag_isoc99; 555 556/* Nonzero means allow the BSD kernel printf enhancments. */ 557 558extern int flag_bsd_format; 559 |
560/* Nonzero means that we have builtin functions, and main is an int. */ |
561 562extern int flag_hosted; 563 |
564/* Nonzero means warn when casting a function call to a type that does 565 not match the return type (e.g. (float)sqrt() or (anything*)malloc() 566 when there is no previous declaration of sqrt or malloc. */ 567 568extern int warn_bad_function_cast; 569 570/* Warn about traditional constructs whose meanings changed in ANSI C. */ 571 572extern int warn_traditional; 573 |
574/* Nonzero means warn for a declaration found after a statement. */ 575 576extern int warn_declaration_after_statement; 577 |
578/* Nonzero means warn for non-prototype function decls 579 or non-prototyped defs without previous prototype. */ 580 581extern int warn_strict_prototypes; 582 583/* Nonzero means warn for any global function def 584 without separate previous decl. */ 585 --- 10 unchanged lines hidden (view full) --- 596/* Warn if main is suspicious. */ 597 598extern int warn_main; 599 600/* Nonzero means warn about possible violations of sequence point rules. */ 601 602extern int warn_sequence_point; 603 |
604/* Nonzero means warn about uninitialized variable when it is initialized with itself. 605 For example: int i = i;, GCC will not warn about this when warn_init_self is nonzero. */ 606 607extern int warn_init_self; 608 609 |
610/* Nonzero means to warn about compile-time division by zero. */ 611extern int warn_div_by_zero; 612 613/* Nonzero means warn about use of implicit int. */ 614 615extern int warn_implicit_int; 616 617/* Warn about NULL being passed to argument slots marked as requiring 618 non-NULL. */ 619 620extern int warn_nonnull; 621 |
622/* Warn about old-style parameter declaration. */ |
623 |
624extern int warn_old_style_definition; 625 626 |
627/* ObjC language option variables. */ 628 629 630/* Open and close the file for outputting class declarations, if 631 requested (ObjC). */ 632 633extern int flag_gen_declaration; 634 --- 38 unchanged lines hidden (view full) --- 673 674extern int flag_no_gnu_keywords; 675 676/* Nonzero means do emit exported implementations of functions even if 677 they can be inlined. */ 678 679extern int flag_implement_inlines; 680 |
681/* Nonzero means that implicit instantiations will be emitted if needed. */ 682 683extern int flag_implicit_templates; 684 685/* Nonzero means that implicit instantiations of inline templates will be 686 emitted if needed, even if instantiations of non-inline templates 687 aren't. */ 688 --- 49 unchanged lines hidden (view full) --- 738extern int flag_new_for_scope; 739 740/* Nonzero if we want to emit defined symbols with common-like linkage as 741 weak symbols where possible, in order to conform to C++ semantics. 742 Otherwise, emit them as local symbols. */ 743 744extern int flag_weak; 745 |
746/* 0 means we want the preprocessor to not emit line directives for 747 the current working directory. 1 means we want it to do it. -1 748 means we should decide depending on whether debugging information 749 is being emitted or not. */ 750 751extern int flag_working_directory; 752 |
753/* Nonzero to use __cxa_atexit, rather than atexit, to register 754 destructors for local statics and global objects. */ 755 756extern int flag_use_cxa_atexit; 757 |
758/* Nonzero means make the default pedwarns warnings instead of errors. 759 The value of this flag is ignored if -pedantic is specified. */ 760 761extern int flag_permissive; 762 763/* Nonzero means to implement standard semantics for exception 764 specifications, calling unexpected if an exception is thrown that 765 doesn't match the specification. Zero means to treat them as 766 assertions and optimize accordingly, but not check them. */ 767 768extern int flag_enforce_eh_specs; 769 |
770/* Nonzero means warn about things that will change when compiling 771 with an ABI-compliant compiler. */ 772 773extern int warn_abi; 774 |
775/* Nonzero means warn about invalid uses of offsetof. */ 776 777extern int warn_invalid_offsetof; 778 |
779/* Nonzero means warn about implicit declarations. */ 780 781extern int warn_implicit; 782 783/* Nonzero means warn when all ctors or dtors are private, and the class 784 has no friends. */ 785 786extern int warn_ctor_dtor_privacy; --- 79 unchanged lines hidden (view full) --- 866extern const struct attribute_spec c_common_attribute_table[]; 867extern const struct attribute_spec c_common_format_attribute_table[]; 868 869/* Pointer to function to lazily generate the VAR_DECL for __FUNCTION__ etc. 870 ID is the identifier to use, NAME is the string. 871 TYPE_DEP indicates whether it depends on type of the function or not 872 (i.e. __PRETTY_FUNCTION__). */ 873 |
874extern tree (*make_fname_decl) (tree, int); |
875 |
876extern tree identifier_global_value (tree); 877extern void record_builtin_type (enum rid, const char *, tree); 878extern tree build_void_list_node (void); 879extern void start_fname_decls (void); 880extern void finish_fname_decls (void); 881extern const char *fname_as_string (int); 882extern tree fname_decl (unsigned, tree); |
883 |
884extern void check_function_arguments (tree, tree); 885extern void check_function_arguments_recurse (void (*) 886 (void *, tree, 887 unsigned HOST_WIDE_INT), 888 void *, tree, 889 unsigned HOST_WIDE_INT); 890extern void check_function_format (int *, tree, tree); 891extern void set_Wformat (int); 892extern tree handle_format_attribute (tree *, tree, tree, int, bool *); 893extern tree handle_format_arg_attribute (tree *, tree, tree, int, bool *); 894extern int c_common_handle_option (size_t code, const char *arg, int value); 895extern bool c_common_missing_argument (const char *opt, size_t code); 896extern tree c_common_type_for_mode (enum machine_mode, int); 897extern tree c_common_type_for_size (unsigned int, int); 898extern tree c_common_unsigned_type (tree); 899extern tree c_common_signed_type (tree); 900extern tree c_common_signed_or_unsigned_type (int, tree); 901extern tree c_common_truthvalue_conversion (tree); 902extern void c_apply_type_quals_to_decl (int, tree); 903extern tree c_sizeof_or_alignof_type (tree, enum tree_code, int); 904extern tree c_alignof_expr (tree); |
905/* Print an error message for invalid operands to arith operation CODE. 906 NOP_EXPR is used as a special case (see truthvalue_conversion). */ |
907extern void binary_op_error (enum tree_code); |
908#define my_friendly_assert(EXP, N) (void) \ 909 (((EXP) == 0) ? (fancy_abort (__FILE__, __LINE__, __FUNCTION__), 0) : 0) 910 |
911extern tree c_expand_expr_stmt (tree); 912extern void c_expand_start_cond (tree, int, tree); 913extern void c_finish_then (void); 914extern void c_expand_start_else (void); 915extern void c_finish_else (void); 916extern void c_expand_end_cond (void); |
917/* Validate the expression after `case' and apply default promotions. */ |
918extern tree check_case_value (tree); 919extern tree fix_string_type (tree); |
920struct varray_head_tag; |
921extern void constant_expression_warning (tree); 922extern tree convert_and_check (tree, tree); 923extern void overflow_warning (tree); 924extern void unsigned_conversion_warning (tree, tree); |
925 926/* Read the rest of the current #-directive line. */ |
927extern char *get_directive_line (void); |
928#define GET_DIRECTIVE_LINE() get_directive_line () 929#define c_sizeof(T) c_sizeof_or_alignof_type (T, SIZEOF_EXPR, 1) 930#define c_alignof(T) c_sizeof_or_alignof_type (T, ALIGNOF_EXPR, 1) 931 932/* Subroutine of build_binary_op, used for comparison operations. 933 See if the operands have both been converted from subword integer types 934 and, if so, perhaps change them both back to their original type. */ |
935extern tree shorten_compare (tree *, tree *, tree *, enum tree_code *); |
936 |
937extern tree pointer_int_sum (enum tree_code, tree, tree); 938extern unsigned int min_precision (tree, int); |
939 940/* Add qualifiers to a type, in the fashion for C. */ |
941extern tree c_build_qualified_type (tree, int); |
942 943/* Build tree nodes and builtin functions common to both C and C++ language 944 frontends. */ |
945extern void c_common_nodes_and_builtins (void); |
946 |
947extern void disable_builtin_function (const char *); |
948 |
949extern tree build_va_arg (tree, tree); |
950 |
951extern unsigned int c_common_init_options (unsigned int, const char **); 952extern bool c_common_post_options (const char **); 953extern bool c_common_init (void); 954extern void c_common_finish (void); 955extern void c_common_parse_file (int); 956extern HOST_WIDE_INT c_common_get_alias_set (tree); 957extern void c_register_builtin_type (tree, const char*); 958extern bool c_promoting_integer_type_p (tree); 959extern int self_promoting_args_p (tree); 960extern tree strip_array_types (tree); 961extern tree strip_pointer_operator (tree); |
962 |
963/* This function resets the parsers' state in preparation for parsing 964 a new file. */ 965extern void c_reset_state (void); 966/* This is the basic parsing function. */ 967extern void c_parse_file (void); 968/* This is misnamed, it actually performs end-of-compilation processing. */ 969extern void finish_file (void); 970 |
971/* These macros provide convenient access to the various _STMT nodes. */ 972 973/* Nonzero if this statement should be considered a full-expression, 974 i.e., if temporaries created during this statement should have 975 their destructors run at the end of this statement. (In C, this 976 will always be false, since there are no destructors.) */ 977#define STMT_IS_FULL_EXPR_P(NODE) TREE_LANG_FLAG_1 ((NODE)) 978 --- 42 unchanged lines hidden (view full) --- 1021 of a case label, respectively. */ 1022#define CASE_LOW(NODE) TREE_OPERAND (CASE_LABEL_CHECK (NODE), 0) 1023#define CASE_HIGH(NODE) TREE_OPERAND (CASE_LABEL_CHECK (NODE), 1) 1024#define CASE_LABEL_DECL(NODE) TREE_OPERAND (CASE_LABEL_CHECK (NODE), 2) 1025 1026/* GOTO_STMT accessor. This gives access to the label associated with 1027 a goto statement. */ 1028#define GOTO_DESTINATION(NODE) TREE_OPERAND (GOTO_STMT_CHECK (NODE), 0) |
1029/* True for goto created artificially by the compiler. */ |
1030#define GOTO_FAKE_P(NODE) (TREE_LANG_FLAG_0 (GOTO_STMT_CHECK (NODE))) 1031 1032/* COMPOUND_STMT accessor. This gives access to the TREE_LIST of 1033 statements associated with a compound statement. The result is the 1034 first statement in the list. Succeeding nodes can be accessed by 1035 calling TREE_CHAIN on a node in the list. */ 1036#define COMPOUND_BODY(NODE) TREE_OPERAND (COMPOUND_STMT_CHECK (NODE), 0) 1037 --- 13 unchanged lines hidden (view full) --- 1051 1052/* STMT_EXPR accessor. */ 1053#define STMT_EXPR_STMT(NODE) TREE_OPERAND (STMT_EXPR_CHECK (NODE), 0) 1054 1055/* Nonzero if this statement-expression does not have an associated scope. */ 1056#define STMT_EXPR_NO_SCOPE(NODE) \ 1057 TREE_LANG_FLAG_0 (STMT_EXPR_CHECK (NODE)) 1058 |
1059/* Nonzero if this statement-expression should cause warning if its result 1060 is not used. */ 1061#define STMT_EXPR_WARN_UNUSED_RESULT(NODE) \ 1062 TREE_LANG_FLAG_3 (STMT_EXPR_CHECK (NODE)) 1063 |
1064/* LABEL_STMT accessor. This gives access to the label associated with 1065 the given label statement. */ 1066#define LABEL_STMT_LABEL(NODE) TREE_OPERAND (LABEL_STMT_CHECK (NODE), 0) 1067 1068/* COMPOUND_LITERAL_EXPR accessors. */ 1069#define COMPOUND_LITERAL_EXPR_DECL_STMT(NODE) \ 1070 TREE_OPERAND (COMPOUND_LITERAL_EXPR_CHECK (NODE), 0) 1071#define COMPOUND_LITERAL_EXPR_DECL(NODE) \ --- 77 unchanged lines hidden (view full) --- 1149enum c_tree_code { 1150 C_DUMMY_TREE_CODE = LAST_AND_UNUSED_TREE_CODE, 1151#include "c-common.def" 1152 LAST_C_TREE_CODE 1153}; 1154 1155#undef DEFTREECODE 1156 |
1157#define c_common_stmt_codes \ 1158 CLEANUP_STMT, EXPR_STMT, COMPOUND_STMT, \ 1159 DECL_STMT, IF_STMT, FOR_STMT, \ 1160 WHILE_STMT, DO_STMT, RETURN_STMT, \ 1161 BREAK_STMT, CONTINUE_STMT, SCOPE_STMT, \ 1162 SWITCH_STMT, GOTO_STMT, LABEL_STMT, \ 1163 ASM_STMT, FILE_STMT, CASE_LABEL |
1164 |
1165/* TRUE if a code represents a statement. The front end init 1166 langhook should take care of initialization of this array. */ 1167extern bool statement_code_p[MAX_TREE_CODES]; 1168 1169#define STATEMENT_CODE_P(CODE) statement_code_p[(int) (CODE)] 1170 1171#define INIT_STATEMENT_CODES(STMT_CODES) \ 1172 do { \ 1173 unsigned int i; \ 1174 memset (&statement_code_p, 0, sizeof (statement_code_p)); \ 1175 for (i = 0; i < ARRAY_SIZE (STMT_CODES); i++) \ 1176 statement_code_p[STMT_CODES[i]] = true; \ 1177 } while (0) 1178 1179extern void genrtl_do_pushlevel (void); 1180extern void genrtl_goto_stmt (tree); 1181extern void genrtl_expr_stmt (tree); 1182extern void genrtl_expr_stmt_value (tree, int, int); 1183extern void genrtl_decl_stmt (tree); 1184extern void genrtl_if_stmt (tree); 1185extern void genrtl_while_stmt (tree); 1186extern void genrtl_do_stmt (tree); 1187extern void genrtl_return_stmt (tree); 1188extern void genrtl_for_stmt (tree); 1189extern void genrtl_break_stmt (void); 1190extern void genrtl_continue_stmt (void); 1191extern void genrtl_scope_stmt (tree); 1192extern void genrtl_switch_stmt (tree); 1193extern void genrtl_case_label (tree); 1194extern void genrtl_compound_stmt (tree); 1195extern void genrtl_asm_stmt (tree, tree, tree, tree, tree, int); 1196extern void genrtl_cleanup_stmt (tree); 1197extern int stmts_are_full_exprs_p (void); 1198extern int anon_aggr_type_p (tree); 1199 |
1200/* For a VAR_DECL that is an anonymous union, these are the various 1201 sub-variables that make up the anonymous union. */ 1202#define DECL_ANON_UNION_ELEMS(NODE) DECL_ARGUMENTS ((NODE)) 1203 1204/* In a FIELD_DECL, nonzero if the decl was originally a bitfield. */ 1205#define DECL_C_BIT_FIELD(NODE) \ 1206 (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) == 1) 1207#define SET_DECL_C_BIT_FIELD(NODE) \ 1208 (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 1) 1209#define CLEAR_DECL_C_BIT_FIELD(NODE) \ 1210 (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 0) 1211 1212/* In a VAR_DECL, nonzero if the decl is a register variable with 1213 an explicit asm specification. */ 1214#define DECL_C_HARD_REGISTER(DECL) DECL_LANG_FLAG_4 (VAR_DECL_CHECK (DECL)) 1215 |
1216extern void emit_local_var (tree); 1217extern void make_rtl_for_local_static (tree); 1218extern tree expand_cond (tree); 1219extern tree c_expand_return (tree); 1220extern tree do_case (tree, tree); 1221extern tree build_stmt (enum tree_code, ...); 1222extern tree build_case_label (tree, tree, tree); 1223extern tree build_continue_stmt (void); 1224extern tree build_break_stmt (void); 1225extern tree build_return_stmt (tree); |
1226 1227#define COMPOUND_STMT_NO_SCOPE(NODE) TREE_LANG_FLAG_0 (NODE) 1228 1229/* Used by the C++ frontend to mark the block around the member 1230 initializers and cleanups. */ 1231#define COMPOUND_STMT_BODY_BLOCK(NODE) TREE_LANG_FLAG_3 (NODE) 1232 |
1233extern void c_expand_asm_operands (tree, tree, tree, tree, int, location_t); |
1234 1235/* These functions must be defined by each front-end which implements 1236 a variant of the C language. They are used in c-common.c. */ 1237 |
1238extern tree build_unary_op (enum tree_code, tree, int); 1239extern tree build_binary_op (enum tree_code, tree, tree, int); 1240extern int lvalue_p (tree); 1241extern tree default_conversion (tree); |
1242 1243/* Given two integer or real types, return the type for their sum. 1244 Given two compatible ANSI C types, returns the merged type. */ 1245 |
1246extern tree common_type (tree, tree); |
1247 |
1248extern tree expand_tree_builtin (tree, tree, tree); |
1249 |
1250extern tree decl_constant_value (tree); |
1251 1252/* Handle increment and decrement of boolean types. */ |
1253extern tree boolean_increment (enum tree_code, tree); |
1254 1255/* Hook currently used only by the C++ front end to reset internal state 1256 after entering or leaving a header file. */ |
1257extern void extract_interface_info (void); |
1258 |
1259extern int case_compare (splay_tree_key, splay_tree_key); |
1260 |
1261extern tree c_add_case_label (splay_tree, tree, tree, tree); |
1262 |
1263extern tree build_function_call (tree, tree); |
1264 |
1265extern tree finish_label_address_expr (tree); |
1266 1267/* Same function prototype, but the C and C++ front ends have 1268 different implementations. Used in c-common.c. */ |
1269extern tree lookup_label (tree); |
1270 |
1271extern rtx c_expand_expr (tree, rtx, enum machine_mode, int, rtx *); |
1272 |
1273extern int c_safe_from_p (rtx, tree); |
1274 |
1275extern int c_staticp (tree); |
1276 |
1277extern int c_common_unsafe_for_reeval (tree); |
1278 |
1279extern void init_c_lex (void); |
1280 |
1281extern void c_cpp_builtins (cpp_reader *); |
1282 |
1283/* Positive if an implicit `extern "C"' scope has just been entered; 1284 negative if such a scope has just been exited. */ 1285extern int pending_lang_change; 1286 |
1287/* Information recorded about each file examined during compilation. */ 1288 1289struct c_fileinfo 1290{ 1291 int time; /* Time spent in the file. */ 1292 short interface_only; /* Flags - used only by C++ */ 1293 short interface_unknown; 1294}; 1295 |
1296struct c_fileinfo *get_fileinfo (const char *); 1297extern void dump_time_statistics (void); |
1298 |
1299extern bool c_dump_tree (void *, tree); |
1300 |
1301extern void pch_init (void); 1302extern int c_common_valid_pch (cpp_reader *pfile, const char *name, int fd); 1303extern void c_common_read_pch (cpp_reader *pfile, const char *name, int fd, 1304 const char *orig); 1305extern void c_common_write_pch (void); 1306extern void c_common_no_more_pch (void); 1307extern void builtin_define_with_value (const char *, const char *, int); 1308extern void c_stddef_cpp_builtins (void); 1309extern void fe_file_change (const struct line_map *); 1310extern int c_estimate_num_insns (tree decl); 1311extern bool c_decl_uninit (tree t); 1312extern void c_parse_error (const char *, enum cpp_ttype, tree); 1313 1314/* The following have been moved here from c-tree.h, since they're needed 1315 in the ObjC++ world, too. What is more, stub-objc.c could use a few 1316 prototypes. */ 1317extern tree lookup_interface (tree); 1318extern tree is_class_name (tree); 1319extern tree objc_is_object_ptr (tree); 1320extern void objc_check_decl (tree); 1321extern int objc_comptypes (tree, tree, int); 1322extern tree objc_message_selector (void); 1323extern tree lookup_objc_ivar (tree); 1324extern void *get_current_scope (void); 1325extern void objc_mark_locals_volatile (void *); 1326 1327/* In c-ppoutput.c */ 1328extern void init_pp_output (FILE *); 1329extern void preprocess_file (cpp_reader *); 1330extern void pp_file_change (const struct line_map *); 1331extern void pp_dir_change (cpp_reader *, const char *); 1332 |
1333#endif /* ! GCC_C_COMMON_H */ |