1/* Definitions for c-common.c. 2 Copyright (C) 1987, 1993, 1994, 1995, 1997, 1998, 3 1999, 2000, 2001, 2002 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 --- 5 unchanged lines hidden (view full) --- 14FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15for more details. 16 17You should have received a copy of the GNU General Public License 18along with GCC; see the file COPYING. If not, write to the Free 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 28/* Usage of TREE_LANG_FLAG_?: 29 0: COMPOUND_STMT_NO_SCOPE (in COMPOUND_STMT). --- 8 unchanged lines hidden (view full) --- 38 STMT_IS_FULL_EXPR_P (in _STMT) 39 2: STMT_LINENO_FOR_FN_P (in _STMT) 40 3: SCOPE_NO_CLEANUPS_P (in SCOPE_STMT) 41 COMPOUND_STMT_BODY_BLOCK (in COMPOUND_STMT) 42 4: SCOPE_PARTIAL_P (in SCOPE_STMT) 43*/ 44 45/* Reserved identifiers. This is the union of all the keywords for C, |
46 C++, and Objective-C. All the type modifiers have to be in one |
47 block at the beginning, because they are used as mask bits. There 48 are 27 type modifiers; if we add many more we will have to redesign 49 the mask mechanism. */ 50 51enum rid 52{ 53 /* Modifiers: */ 54 /* C, in empirical order of frequency. */ 55 RID_STATIC = 0, 56 RID_UNSIGNED, RID_LONG, RID_CONST, RID_EXTERN, 57 RID_REGISTER, RID_TYPEDEF, RID_SHORT, RID_INLINE, 58 RID_VOLATILE, RID_SIGNED, RID_AUTO, RID_RESTRICT, 59 60 /* C extensions */ |
61 RID_BOUNDED, RID_UNBOUNDED, RID_COMPLEX, RID_THREAD, |
62 63 /* C++ */ 64 RID_FRIEND, RID_VIRTUAL, RID_EXPLICIT, RID_EXPORT, RID_MUTABLE, 65 66 /* ObjC */ 67 RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF, RID_ONEWAY, 68 69 /* C */ --- 18 unchanged lines hidden (view full) --- 88 RID_DELETE, RID_FALSE, RID_NAMESPACE, 89 RID_NEW, RID_OPERATOR, RID_THIS, 90 RID_THROW, RID_TRUE, RID_TRY, 91 RID_TYPENAME, RID_TYPEID, RID_USING, 92 93 /* casts */ 94 RID_CONSTCAST, RID_DYNCAST, RID_REINTCAST, RID_STATCAST, 95 |
96 /* Objective-C */ |
97 RID_ID, RID_AT_ENCODE, RID_AT_END, 98 RID_AT_CLASS, RID_AT_ALIAS, RID_AT_DEFS, 99 RID_AT_PRIVATE, RID_AT_PROTECTED, RID_AT_PUBLIC, 100 RID_AT_PROTOCOL, RID_AT_SELECTOR, RID_AT_INTERFACE, 101 RID_AT_IMPLEMENTATION, 102 103 RID_MAX, 104 --- 64 unchanged lines hidden (view full) --- 169 170 CTI_MAX 171}; 172 173#define C_RID_CODE(id) (((struct c_common_identifier *) (id))->node.rid_code) 174 175/* Identifier part common to the C front ends. Inherits from 176 tree_identifier, despite appearances. */ |
177struct c_common_identifier GTY(()) |
178{ 179 struct tree_common common; |
180 struct cpp_hashnode GTY ((skip (""))) node; |
181}; 182 183#define wchar_type_node c_global_trees[CTI_WCHAR_TYPE] 184#define signed_wchar_type_node c_global_trees[CTI_SIGNED_WCHAR_TYPE] 185#define unsigned_wchar_type_node c_global_trees[CTI_UNSIGNED_WCHAR_TYPE] 186#define wint_type_node c_global_trees[CTI_WINT_TYPE] 187#define signed_size_type_node c_global_trees[CTI_SIGNED_SIZE_TYPE] 188#define unsigned_ptrdiff_type_node c_global_trees[CTI_UNSIGNED_PTRDIFF_TYPE] --- 27 unchanged lines hidden (view full) --- 216#define function_name_decl_node c_global_trees[CTI_FUNCTION_NAME_DECL] 217#define pretty_function_name_decl_node c_global_trees[CTI_PRETTY_FUNCTION_NAME_DECL] 218#define c99_function_name_decl_node c_global_trees[CTI_C99_FUNCTION_NAME_DECL] 219#define saved_function_name_decls c_global_trees[CTI_SAVED_FUNCTION_NAME_DECLS] 220 221/* A node for `((void) 0)'. */ 222#define void_zero_node c_global_trees[CTI_VOID_ZERO] 223 |
224extern GTY(()) tree c_global_trees[CTI_MAX]; |
225 226/* Mark which labels are explicitly declared. 227 These may be shadowed, and may be referenced from nested functions. */ 228#define C_DECLARED_LABEL_FLAG(label) TREE_LANG_FLAG_1 (label) 229 230/* Flag strings given by __FUNCTION__ and __PRETTY_FUNCTION__ for a 231 warning if they undergo concatenation. */ 232#define C_ARTIFICIAL_STRING_P(NODE) TREE_LANG_FLAG_0 (NODE) 233 234typedef enum c_language_kind 235{ |
236 clk_c = 0, /* A dialect of C: K&R C, ANSI/ISO C89, C2000, etc. */ 237 clk_cplusplus /* ANSI/ISO C++ */ |
238} 239c_language_kind; 240 241/* Information about a statement tree. */ 242 |
243struct stmt_tree_s GTY(()) { |
244 /* The last statement added to the tree. */ 245 tree x_last_stmt; 246 /* The type of the last expression statement. (This information is 247 needed to implement the statement-expression extension.) */ 248 tree x_last_expr_type; 249 /* The last filename we recorded. */ 250 const char *x_last_expr_filename; |
251 /* In C++, Nonzero if we should treat statements as full |
252 expressions. In particular, this variable is no-zero if at the 253 end of a statement we should destroy any temporaries created 254 during that statement. Similarly, if, at the end of a block, we 255 should destroy any local variables in this block. Normally, this |
256 variable is nonzero, since those are the normal semantics of |
257 C++. 258 259 However, in order to represent aggregate initialization code as 260 tree structure, we use statement-expressions. The statements 261 within the statement expression should not result in cleanups 262 being run until the entire enclosing statement is complete. 263 264 This flag has no effect in C. */ 265 int stmts_are_full_exprs_p; 266}; 267 268typedef struct stmt_tree_s *stmt_tree; 269 270/* Global state pertinent to the current function. Some C dialects 271 extend this structure with additional fields. */ 272 |
273struct c_language_function GTY(()) { |
274 /* While we are parsing the function, this contains information 275 about the statement-tree that we are building. */ 276 struct stmt_tree_s x_stmt_tree; 277 /* The stack of SCOPE_STMTs for the current function. */ 278 tree x_scope_stmt_stack; 279}; 280 281/* When building a statement-tree, this is the last statement added to --- 22 unchanged lines hidden (view full) --- 304 } while (0) 305 306/* Language-specific hooks. */ 307 308extern int (*lang_statement_code_p) PARAMS ((enum tree_code)); 309extern void (*lang_expand_stmt) PARAMS ((tree)); 310extern void (*lang_expand_decl_stmt) PARAMS ((tree)); 311extern void (*lang_expand_function_end) PARAMS ((void)); |
312extern tree gettags PARAMS ((void)); |
313 314/* Callback that determines if it's ok for a function to have no 315 noreturn attribute. */ 316extern int (*lang_missing_noreturn_ok_p) PARAMS ((tree)); 317 |
318extern int yyparse PARAMS ((void)); 319extern void free_parser_stacks PARAMS ((void)); |
320 321extern stmt_tree current_stmt_tree PARAMS ((void)); 322extern tree *current_scope_stmt_stack PARAMS ((void)); 323extern void begin_stmt_tree PARAMS ((tree *)); 324extern tree add_stmt PARAMS ((tree)); 325extern void add_decl_stmt PARAMS ((tree)); 326extern tree add_scope_stmt PARAMS ((int, int)); 327extern void finish_stmt_tree PARAMS ((tree *)); 328 329extern int statement_code_p PARAMS ((enum tree_code)); 330extern tree walk_stmt_tree PARAMS ((tree *, 331 walk_tree_fn, 332 void *)); 333extern void prep_stmt PARAMS ((tree)); 334extern void expand_stmt PARAMS ((tree)); |
335extern void shadow_warning PARAMS ((const char *, 336 tree, tree)); 337extern tree c_begin_if_stmt PARAMS ((void)); 338extern tree c_begin_while_stmt PARAMS ((void)); 339extern void c_finish_while_stmt_cond PARAMS ((tree, tree)); 340 341 342/* Extra information associated with a DECL. Other C dialects extend 343 this structure in various ways. The C front-end only uses this 344 structure for FUNCTION_DECLs; all other DECLs have a NULL 345 DECL_LANG_SPECIFIC field. */ 346 |
347struct c_lang_decl GTY(()) { |
348 unsigned declared_inline : 1; 349}; 350 351/* In a FUNCTION_DECL for which DECL_BUILT_IN does not hold, this is 352 the approximate number of statements in this function. There is 353 no need for this number to be exact; it is only used in various 354 heuristics regarding optimization. */ 355#define DECL_NUM_STMTS(NODE) \ 356 (FUNCTION_DECL_CHECK (NODE)->decl.u1.i) 357 |
358/* The variant of the C language being processed. Each C language 359 front-end defines this variable. */ 360 361extern c_language_kind c_language; 362 |
363/* Switches common to the C front ends. */ |
364 |
365/* Nonzero if prepreprocessing only. */ 366extern int flag_preprocess_only; |
367 |
368/* Nonzero if an ISO standard was selected. It rejects macros in the 369 user's namespace. */ 370extern int flag_iso; 371 372/* Nonzero whenever Objective-C functionality is being used. */ 373extern int flag_objc; 374 375/* Nonzero if -undef was given. It suppresses target built-in macros 376 and assertions. */ 377extern int flag_undef; 378 379/* Nonzero means don't recognize the non-ANSI builtin functions. */ 380 381extern int flag_no_builtin; 382 383/* Nonzero means don't recognize the non-ANSI builtin functions. 384 -ansi sets this. */ 385 386extern int flag_no_nonansi_builtin; 387 |
388/* Nonzero means give `double' the same size as `float'. */ 389 390extern int flag_short_double; 391 392/* Nonzero means give `wchar_t' the same size as `short'. */ 393 394extern int flag_short_wchar; 395 |
396/* Nonzero means allow Microsoft extensions without warnings or errors. */ 397extern int flag_ms_extensions; |
398 |
399/* Nonzero means don't recognize the keyword `asm'. */ 400 401extern int flag_no_asm; 402 403/* Nonzero means give string constants the type `const char *', as mandated 404 by the standard. */ 405 406extern int flag_const_strings; 407 408/* Nonzero means `$' can be in an identifier. */ 409 410extern int dollars_in_ident; 411 412/* Nonzero means to treat bitfields as signed unless they say `unsigned'. */ 413 414extern int flag_signed_bitfields; 415extern int explicit_flag_signed_bitfields; 416 417/* Nonzero means warn about pointer casts that can drop a type qualifier 418 from the pointer target type. */ 419 420extern int warn_cast_qual; 421 422/* Warn about functions which might be candidates for format attributes. */ 423 424extern int warn_missing_format_attribute; 425 426/* Nonzero means do not warn that K&R style main() is not a function prototype. */ 427extern int flag_bsd_no_warn_kr_main; 428 429/* Nonzero means warn about sizeof(function) or addition/subtraction 430 of function pointers. */ 431 432extern int warn_pointer_arith; 433 434/* Nonzero means warn for any global function def 435 without separate previous prototype decl. */ 436 437extern int warn_missing_prototypes; 438 439/* Warn if adding () is suggested. */ 440 441extern int warn_parentheses; 442 443/* Warn if initializer is not completely bracketed. */ 444 445extern int warn_missing_braces; 446 447/* Warn about comparison of signed and unsigned values. 448 If -1, neither -Wsign-compare nor -Wno-sign-compare has been specified. */ 449 450extern int warn_sign_compare; 451 452/* Nonzero means warn about usage of long long when `-pedantic'. */ 453 454extern int warn_long_long; 455 456/* Nonzero means warn about deprecated conversion from string constant to 457 `char *'. */ 458 459extern int warn_write_strings; 460 461/* Nonzero means warn about multiple (redundant) decls for the same single 462 variable or function. */ 463 464extern int warn_redundant_decls; 465 466/* Warn about testing equality of floating point numbers. */ 467 468extern int warn_float_equal; 469 470/* Warn about a subscript that has type char. */ 471 472extern int warn_char_subscripts; 473 474/* Warn if a type conversion is done that might have confusing results. */ 475 476extern int warn_conversion; 477 478/* Warn about #pragma directives that are not recognized. */ 479 480extern int warn_unknown_pragmas; /* Tri state variable. */ 481 482/* Warn about format/argument anomalies in calls to formatted I/O functions 483 (*printf, *scanf, strftime, strfmon, etc.). */ 484 |
485extern int warn_format; 486 487/* Warn about Y2K problems with strftime formats. */ 488 489extern int warn_format_y2k; 490 491/* Warn about excess arguments to formats. */ 492 493extern int warn_format_extra_args; 494 |
495/* Warn about zero-length formats. */ 496 497extern int warn_format_zero_length; 498 |
499/* Warn about non-literal format arguments. */ 500 501extern int warn_format_nonliteral; 502 503/* Warn about possible security problems with calls to format functions. */ 504 505extern int warn_format_security; 506 |
507 |
508/* C/ObjC language option variables. */ |
509 |
510 |
511/* Nonzero means message about use of implicit function declarations; 512 1 means warning; 2 means error. */ |
513 |
514extern int mesg_implicit_function_declaration; |
515 |
516/* Nonzero means allow type mismatches in conditional expressions; 517 just make their values `void'. */ |
518 |
519extern int flag_cond_mismatch; |
520 |
521/* Nonzero means enable C89 Amendment 1 features. */ 522 523extern int flag_isoc94; 524 525/* Nonzero means use the ISO C99 dialect of C. */ 526 527extern int flag_isoc99; 528 529/* Nonzero means allow the BSD kernel printf enhancments. */ 530 531extern int flag_bsd_format; 532 |
533/* Nonzero means that we have builtin functions, and main is an int */ |
534 535extern int flag_hosted; 536 537/* Nonzero means add default format_arg attributes for functions not 538 in ISO C. */ 539 540extern int flag_noniso_default_format_attributes; 541 |
542/* Nonzero means warn when casting a function call to a type that does 543 not match the return type (e.g. (float)sqrt() or (anything*)malloc() 544 when there is no previous declaration of sqrt or malloc. */ |
545 |
546extern int warn_bad_function_cast; |
547 |
548/* Warn about traditional constructs whose meanings changed in ANSI C. */ |
549 |
550extern int warn_traditional; |
551 |
552/* Nonzero means warn for non-prototype function decls 553 or non-prototyped defs without previous prototype. */ |
554 |
555extern int warn_strict_prototypes; |
556 |
557/* Nonzero means warn for any global function def 558 without separate previous decl. */ |
559 |
560extern int warn_missing_declarations; |
561 |
562/* Nonzero means warn about extern declarations of objects not at 563 file-scope level and about *all* declarations of functions (whether 564 extern or static) not at file-scope level. Note that we exclude 565 implicit function declarations. To get warnings about those, use 566 -Wimplicit. */ |
567 |
568extern int warn_nested_externs; |
569 |
570/* Warn if main is suspicious. */ 571 572extern int warn_main; 573 574/* Nonzero means warn about possible violations of sequence point rules. */ 575 576extern int warn_sequence_point; 577 578/* Nonzero means to warn about compile-time division by zero. */ 579extern int warn_div_by_zero; 580 581/* Nonzero means warn about use of implicit int. */ 582 583extern int warn_implicit_int; 584 585/* Warn about NULL being passed to argument slots marked as requiring 586 non-NULL. */ 587 588extern int warn_nonnull; 589 590 591/* ObjC language option variables. */ 592 593 594/* Open and close the file for outputting class declarations, if 595 requested (ObjC). */ 596 597extern int flag_gen_declaration; 598 599/* Generate code for GNU or NeXT runtime environment. */ 600 601extern int flag_next_runtime; 602 603/* Tells the compiler that this is a special run. Do not perform any 604 compiling, instead we are to test some platform dependent features 605 and output a C header file with appropriate definitions. */ 606 607extern int print_struct_values; 608 609/* ???. Undocumented. */ 610 611extern const char *constant_string_class_name; 612 613/* Warn if multiple methods are seen for the same selector, but with 614 different argument types. Performs the check on the whole selector 615 table at the end of compilation. */ 616 617extern int warn_selector; 618 619/* Warn if a @selector() is found, and no method with that selector 620 has been previously declared. The check is done on each 621 @selector() as soon as it is found - so it warns about forward 622 declarations. */ 623 624extern int warn_undeclared_selector; 625 626/* Warn if methods required by a protocol are not implemented in the 627 class adopting it. When turned off, methods inherited to that 628 class are also considered implemented. */ 629 630extern int warn_protocol; 631 632 633/* C++ language option variables. */ 634 635 636/* Nonzero means don't recognize any extension keywords. */ 637 638extern int flag_no_gnu_keywords; 639 640/* Nonzero means do emit exported implementations of functions even if 641 they can be inlined. */ 642 643extern int flag_implement_inlines; 644 645/* Nonzero means do emit exported implementations of templates, instead of 646 multiple static copies in each file that needs a definition. */ 647 648extern int flag_external_templates; 649 650/* Nonzero means that the decision to emit or not emit the implementation of a 651 template depends on where the template is instantiated, rather than where 652 it is defined. */ 653 654extern int flag_alt_external_templates; 655 656/* Nonzero means that implicit instantiations will be emitted if needed. */ 657 658extern int flag_implicit_templates; 659 660/* Nonzero means that implicit instantiations of inline templates will be 661 emitted if needed, even if instantiations of non-inline templates 662 aren't. */ 663 664extern int flag_implicit_inline_templates; 665 666/* Nonzero means generate separate instantiation control files and 667 juggle them at link time. */ 668 669extern int flag_use_repository; 670 671/* Nonzero if we want to issue diagnostics that the standard says are not 672 required. */ 673 674extern int flag_optional_diags; 675 676/* Nonzero means we should attempt to elide constructors when possible. */ 677 678extern int flag_elide_constructors; 679 680/* Nonzero means that member functions defined in class scope are 681 inline by default. */ 682 683extern int flag_default_inline; 684 685/* Controls whether compiler generates 'type descriptor' that give 686 run-time type information. */ 687 688extern int flag_rtti; 689 690/* Nonzero if we want to conserve space in the .o files. We do this 691 by putting uninitialized data and runtime initialized data into 692 .common instead of .data at the expense of not flagging multiple 693 definitions. */ 694 695extern int flag_conserve_space; 696 697/* Nonzero if we want to obey access control semantics. */ 698 699extern int flag_access_control; 700 701/* Nonzero if we want to check the return value of new and avoid calling 702 constructors if it is a null pointer. */ 703 704extern int flag_check_new; 705 706/* Nonzero if we want the new ISO rules for pushing a new scope for `for' 707 initialization variables. 708 0: Old rules, set by -fno-for-scope. 709 2: New ISO rules, set by -ffor-scope. 710 1: Try to implement new ISO rules, but with backup compatibility 711 (and warnings). This is the default, for now. */ 712 713extern int flag_new_for_scope; 714 715/* Nonzero if we want to emit defined symbols with common-like linkage as 716 weak symbols where possible, in order to conform to C++ semantics. 717 Otherwise, emit them as local symbols. */ 718 719extern int flag_weak; 720 721/* Nonzero to use __cxa_atexit, rather than atexit, to register 722 destructors for local statics and global objects. */ 723 724extern int flag_use_cxa_atexit; 725 726/* Nonzero means output .vtable_{entry,inherit} for use in doing vtable gc. */ 727 728extern int flag_vtable_gc; 729 730/* Nonzero means make the default pedwarns warnings instead of errors. 731 The value of this flag is ignored if -pedantic is specified. */ 732 733extern int flag_permissive; 734 735/* Nonzero means to implement standard semantics for exception 736 specifications, calling unexpected if an exception is thrown that 737 doesn't match the specification. Zero means to treat them as 738 assertions and optimize accordingly, but not check them. */ 739 740extern int flag_enforce_eh_specs; 741 742/* The version of the C++ ABI in use. The following values are 743 allowed: 744 745 0: The version of the ABI believed most conformant with the 746 C++ ABI specification. This ABI may change as bugs are 747 discovered and fixed. Therefore, 0 will not necessarily 748 indicate the same ABI in different versions of G++. 749 750 1: The version of the ABI first used in G++ 3.2. 751 752 Additional positive integers will be assigned as new versions of 753 the ABI become the default version of the ABI. */ 754 755extern int flag_abi_version; 756 757/* Nonzero means warn about things that will change when compiling 758 with an ABI-compliant compiler. */ 759 760extern int warn_abi; 761 762/* Nonzero means warn about implicit declarations. */ 763 764extern int warn_implicit; 765 766/* Nonzero means warn when all ctors or dtors are private, and the class 767 has no friends. */ 768 769extern int warn_ctor_dtor_privacy; 770 771/* Nonzero means warn in function declared in derived class has the 772 same name as a virtual in the base class, but fails to match the 773 type signature of any virtual function in the base class. */ 774 775extern int warn_overloaded_virtual; 776 777/* Nonzero means warn when declaring a class that has a non virtual 778 destructor, when it really ought to have a virtual one. */ 779 780extern int warn_nonvdtor; 781 782/* Nonzero means warn when the compiler will reorder code. */ 783 784extern int warn_reorder; 785 786/* Nonzero means warn when synthesis behavior differs from Cfront's. */ 787 788extern int warn_synth; 789 790/* Nonzero means warn when we convert a pointer to member function 791 into a pointer to (void or function). */ 792 793extern int warn_pmf2ptr; 794 795/* Nonzero means warn about violation of some Effective C++ style rules. */ 796 797extern int warn_ecpp; 798 799/* Nonzero means warn where overload resolution chooses a promotion from 800 unsigned to signed over a conversion to an unsigned of the same size. */ 801 802extern int warn_sign_promo; 803 804/* Nonzero means warn when an old-style cast is used. */ 805 806extern int warn_old_style_cast; 807 808/* Nonzero means warn when non-templatized friend functions are 809 declared within a template */ 810 811extern int warn_nontemplate_friend; 812 813/* Nonzero means complain about deprecated features. */ 814 815extern int warn_deprecated; 816 817/* Maximum template instantiation depth. This limit is rather 818 arbitrary, but it exists to limit the time it takes to notice 819 infinite template instantiations. */ 820 821extern int max_tinst_depth; 822 |
823/* Nonzero means the expression being parsed will never be evaluated. 824 This is a count, since unevaluated expressions can nest. */ 825 826extern int skip_evaluation; 827 828/* C types are partitioned into three subsets: object, function, and 829 incomplete types. */ 830#define C_TYPE_OBJECT_P(type) \ --- 9 unchanged lines hidden (view full) --- 840 object or incomplete types. */ 841#define C_TYPE_OBJECT_OR_INCOMPLETE_P(type) \ 842 (!C_TYPE_FUNCTION_P (type)) 843 844/* Record in each node resulting from a binary operator 845 what operator was specified for it. */ 846#define C_EXP_ORIGINAL_CODE(exp) ((enum tree_code) TREE_COMPLEXITY (exp)) 847 |
848/* Attribute table common to the C front ends. */ 849extern const struct attribute_spec c_common_attribute_table[]; 850extern const struct attribute_spec c_common_format_attribute_table[]; 851 |
852/* Pointer to function to lazily generate the VAR_DECL for __FUNCTION__ etc. 853 ID is the identifier to use, NAME is the string. 854 TYPE_DEP indicates whether it depends on type of the function or not 855 (i.e. __PRETTY_FUNCTION__). */ 856 857extern tree (*make_fname_decl) PARAMS ((tree, int)); 858 859extern tree identifier_global_value PARAMS ((tree)); 860extern void record_builtin_type PARAMS ((enum rid, 861 const char *, tree)); 862extern tree build_void_list_node PARAMS ((void)); 863extern void start_fname_decls PARAMS ((void)); 864extern void finish_fname_decls PARAMS ((void)); 865extern const char *fname_as_string PARAMS ((int)); 866extern tree fname_decl PARAMS ((unsigned, tree)); 867extern const char *fname_string PARAMS ((unsigned)); 868 |
869extern void check_function_arguments PARAMS ((tree, tree)); 870extern void check_function_arguments_recurse PARAMS ((void (*) (void *, 871 tree, 872 unsigned HOST_WIDE_INT), 873 void *, tree, 874 unsigned HOST_WIDE_INT)); |
875extern void check_function_format PARAMS ((int *, tree, tree)); 876extern void set_Wformat PARAMS ((int)); 877extern tree handle_format_attribute PARAMS ((tree *, tree, tree, 878 int, bool *)); 879extern tree handle_format_arg_attribute PARAMS ((tree *, tree, tree, 880 int, bool *)); 881extern void c_common_insert_default_attributes PARAMS ((tree)); |
882extern int c_common_decode_option PARAMS ((int, char **)); 883extern tree c_common_type_for_mode PARAMS ((enum machine_mode, 884 int)); 885extern tree c_common_type_for_size PARAMS ((unsigned int, int)); 886extern tree c_common_unsigned_type PARAMS ((tree)); 887extern tree c_common_signed_type PARAMS ((tree)); 888extern tree c_common_signed_or_unsigned_type PARAMS ((int, tree)); 889extern tree c_common_truthvalue_conversion PARAMS ((tree)); |
890extern void c_apply_type_quals_to_decl PARAMS ((int, tree)); |
891extern tree c_sizeof_or_alignof_type PARAMS ((tree, enum tree_code, int)); |
892extern tree c_alignof_expr PARAMS ((tree)); 893/* Print an error message for invalid operands to arith operation CODE. 894 NOP_EXPR is used as a special case (see truthvalue_conversion). */ 895extern void binary_op_error PARAMS ((enum tree_code)); |
896#define my_friendly_assert(EXP, N) (void) \ 897 (((EXP) == 0) ? (fancy_abort (__FILE__, __LINE__, __FUNCTION__), 0) : 0) 898 |
899extern tree c_expand_expr_stmt PARAMS ((tree)); 900extern void c_expand_start_cond PARAMS ((tree, int, tree)); 901extern void c_finish_then PARAMS ((void)); 902extern void c_expand_start_else PARAMS ((void)); |
903extern void c_finish_else PARAMS ((void)); |
904extern void c_expand_end_cond PARAMS ((void)); 905/* Validate the expression after `case' and apply default promotions. */ 906extern tree check_case_value PARAMS ((tree)); |
907extern tree fix_string_type PARAMS ((tree)); 908struct varray_head_tag; 909extern tree combine_strings PARAMS ((struct varray_head_tag *)); |
910extern void constant_expression_warning PARAMS ((tree)); 911extern tree convert_and_check PARAMS ((tree, tree)); 912extern void overflow_warning PARAMS ((tree)); 913extern void unsigned_conversion_warning PARAMS ((tree, tree)); 914 915/* Read the rest of the current #-directive line. */ 916extern char *get_directive_line PARAMS ((void)); 917#define GET_DIRECTIVE_LINE() get_directive_line () |
918#define c_sizeof(T) c_sizeof_or_alignof_type (T, SIZEOF_EXPR, 1) 919#define c_alignof(T) c_sizeof_or_alignof_type (T, ALIGNOF_EXPR, 1) |
920 921/* Subroutine of build_binary_op, used for comparison operations. 922 See if the operands have both been converted from subword integer types 923 and, if so, perhaps change them both back to their original type. */ 924extern tree shorten_compare PARAMS ((tree *, tree *, tree *, enum tree_code *)); 925 926extern tree pointer_int_sum PARAMS ((enum tree_code, tree, tree)); 927extern unsigned int min_precision PARAMS ((tree, int)); --- 5 unchanged lines hidden (view full) --- 933 frontends. */ 934extern void c_common_nodes_and_builtins PARAMS ((void)); 935 936extern void disable_builtin_function PARAMS ((const char *)); 937 938extern tree build_va_arg PARAMS ((tree, tree)); 939 940extern void c_common_init_options PARAMS ((enum c_language_kind)); |
941extern bool c_common_post_options PARAMS ((void)); |
942extern const char *c_common_init PARAMS ((const char *)); 943extern void c_common_finish PARAMS ((void)); |
944extern void c_common_parse_file PARAMS ((int)); |
945extern HOST_WIDE_INT c_common_get_alias_set PARAMS ((tree)); 946extern bool c_promoting_integer_type_p PARAMS ((tree)); 947extern int self_promoting_args_p PARAMS ((tree)); |
948extern tree strip_array_types PARAMS ((tree)); 949 950/* These macros provide convenient access to the various _STMT nodes. */ 951 952/* Nonzero if this statement should be considered a full-expression, 953 i.e., if temporaries created during this statement should have 954 their destructors run at the end of this statement. (In C, this 955 will always be false, since there are no destructors.) */ --- 14 unchanged lines hidden (view full) --- 970/* DO_STMT accessors. These give access to the condition of the do 971 statement and the body of the do statement, respectively. */ 972#define DO_COND(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 0) 973#define DO_BODY(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 1) 974 975/* RETURN_STMT accessors. These give the expression associated with a 976 return statement, and whether it should be ignored when expanding 977 (as opposed to inlining). */ |
978#define RETURN_STMT_EXPR(NODE) TREE_OPERAND (RETURN_STMT_CHECK (NODE), 0) |
979 980/* EXPR_STMT accessor. This gives the expression associated with an 981 expression statement. */ 982#define EXPR_STMT_EXPR(NODE) TREE_OPERAND (EXPR_STMT_CHECK (NODE), 0) 983 984/* FOR_STMT accessors. These give access to the init statement, 985 condition, update expression, and body of the for statement, 986 respectively. */ --- 113 unchanged lines hidden (view full) --- 1100 (IDENTIFIER_POINTER (FILE_STMT_FILENAME_NODE (NODE))) 1101 1102/* The line-number at which a statement began. But if 1103 STMT_LINENO_FOR_FN_P does holds, then this macro gives the 1104 line number for the end of the current function instead. */ 1105#define STMT_LINENO(NODE) \ 1106 (TREE_COMPLEXITY ((NODE))) 1107 |
1108/* If nonzero, the STMT_LINENO for NODE is the line at which the |
1109 function ended. */ 1110#define STMT_LINENO_FOR_FN_P(NODE) \ 1111 (TREE_LANG_FLAG_2 ((NODE))) 1112 1113/* Nonzero if we want the new ISO rules for pushing a new scope for `for' 1114 initialization variables. */ 1115#define NEW_FOR_SCOPE_P(NODE) (TREE_LANG_FLAG_0 (NODE)) 1116 --- 6 unchanged lines hidden (view full) --- 1123enum c_tree_code { 1124 C_DUMMY_TREE_CODE = LAST_AND_UNUSED_TREE_CODE, 1125#include "c-common.def" 1126 LAST_C_TREE_CODE 1127}; 1128 1129#undef DEFTREECODE 1130 |
1131extern void genrtl_do_pushlevel PARAMS ((void)); 1132extern void genrtl_goto_stmt PARAMS ((tree)); 1133extern void genrtl_expr_stmt PARAMS ((tree)); 1134extern void genrtl_expr_stmt_value PARAMS ((tree, int, int)); 1135extern void genrtl_decl_stmt PARAMS ((tree)); 1136extern void genrtl_if_stmt PARAMS ((tree)); 1137extern void genrtl_while_stmt PARAMS ((tree)); 1138extern void genrtl_do_stmt PARAMS ((tree)); --- 69 unchanged lines hidden (view full) --- 1208/* Handle increment and decrement of boolean types. */ 1209extern tree boolean_increment PARAMS ((enum tree_code, 1210 tree)); 1211 1212/* Hook currently used only by the C++ front end to reset internal state 1213 after entering or leaving a header file. */ 1214extern void extract_interface_info PARAMS ((void)); 1215 |
1216extern int case_compare PARAMS ((splay_tree_key, 1217 splay_tree_key)); 1218 1219extern tree c_add_case_label PARAMS ((splay_tree, 1220 tree, tree, 1221 tree)); 1222 1223extern tree build_function_call PARAMS ((tree, tree)); 1224 1225extern tree finish_label_address_expr PARAMS ((tree)); 1226 1227/* Same function prototype, but the C and C++ front ends have 1228 different implementations. Used in c-common.c. */ 1229extern tree lookup_label PARAMS ((tree)); 1230 |
1231extern rtx c_expand_expr PARAMS ((tree, rtx, 1232 enum machine_mode, 1233 int)); |
1234 |
1235extern int c_safe_from_p PARAMS ((rtx, tree)); 1236 1237extern int c_staticp PARAMS ((tree)); 1238 |
1239extern int c_common_unsafe_for_reeval PARAMS ((tree)); |
1240 |
1241extern const char *init_c_lex PARAMS ((const char *)); 1242 1243extern void cb_register_builtins PARAMS ((cpp_reader *)); 1244 |
1245/* Information recorded about each file examined during compilation. */ 1246 1247struct c_fileinfo 1248{ 1249 int time; /* Time spent in the file. */ 1250 short interface_only; /* Flags - used only by C++ */ 1251 short interface_unknown; 1252}; 1253 1254struct c_fileinfo *get_fileinfo PARAMS ((const char *)); 1255extern void dump_time_statistics PARAMS ((void)); 1256 |
1257extern int c_dump_tree PARAMS ((void *, tree)); 1258 |
1259#endif /* ! GCC_C_COMMON_H */ |