| c-tree.h (107604) | c-tree.h (117404) |
|---|---|
| 1/* Definitions for C parsing and type checking. 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 --- 20 unchanged lines hidden (view full) --- 29/* The limbo_value is used for block level extern declarations, which need 30 to be type checked against subsequent extern declarations. They can't 31 be referenced after they fall out of scope, so they can't be global. 32 33 The rid_code field is used for keywords. It is in all 34 lang_identifier nodes, because some keywords are only special in a 35 particular context. */ 36 | 1/* Definitions for C parsing and type checking. 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 --- 20 unchanged lines hidden (view full) --- 29/* The limbo_value is used for block level extern declarations, which need 30 to be type checked against subsequent extern declarations. They can't 31 be referenced after they fall out of scope, so they can't be global. 32 33 The rid_code field is used for keywords. It is in all 34 lang_identifier nodes, because some keywords are only special in a 35 particular context. */ 36 |
| 37struct lang_identifier | 37struct lang_identifier GTY(()) |
| 38{ | 38{ |
| 39 struct c_common_identifier ignore; 40 tree global_value, local_value, label_value, implicit_decl; 41 tree error_locus, limbo_value; | 39 struct c_common_identifier common_id; 40 tree global_value; 41 tree local_value; 42 tree label_value; 43 tree implicit_decl; 44 tree error_locus; 45 tree limbo_value; |
| 42}; 43 | 46}; 47 |
| 48/* The resulting tree type. */ 49 50union lang_tree_node 51 GTY((desc ("TREE_CODE (&%h.generic) == IDENTIFIER_NODE"), 52 chain_next ("(union lang_tree_node *)TREE_CHAIN (&%h.generic)"))) 53{ 54 union tree_node GTY ((tag ("0"), 55 desc ("tree_node_structure (&%h)"))) 56 generic; 57 struct lang_identifier GTY ((tag ("1"))) identifier; 58}; 59 |
|
| 44/* Language-specific declaration information. */ 45 | 60/* Language-specific declaration information. */ 61 |
| 46struct lang_decl | 62struct lang_decl GTY(()) |
| 47{ 48 struct c_lang_decl base; 49 /* The return types and parameter types may have variable size. 50 This is a list of any SAVE_EXPRs that need to be evaluated to 51 compute those sizes. */ 52 tree pending_sizes; 53}; 54 --- 47 unchanged lines hidden (view full) --- 102 103/* This function was declared inline. This flag controls the linkage 104 semantics of 'inline'; whether or not the function is inlined is 105 controlled by DECL_INLINE. */ 106#define DECL_DECLARED_INLINE_P(NODE) \ 107 (DECL_LANG_SPECIFIC (NODE)->base.declared_inline) 108 109/* In a RECORD_TYPE, a sorted array of the fields of the type. */ | 63{ 64 struct c_lang_decl base; 65 /* The return types and parameter types may have variable size. 66 This is a list of any SAVE_EXPRs that need to be evaluated to 67 compute those sizes. */ 68 tree pending_sizes; 69}; 70 --- 47 unchanged lines hidden (view full) --- 118 119/* This function was declared inline. This flag controls the linkage 120 semantics of 'inline'; whether or not the function is inlined is 121 controlled by DECL_INLINE. */ 122#define DECL_DECLARED_INLINE_P(NODE) \ 123 (DECL_LANG_SPECIFIC (NODE)->base.declared_inline) 124 125/* In a RECORD_TYPE, a sorted array of the fields of the type. */ |
| 110struct lang_type | 126struct lang_type GTY(()) |
| 111{ 112 int len; | 127{ 128 int len; |
| 113 tree elts[1]; | 129 tree GTY((length ("%h.len"))) elts[1]; |
| 114}; 115 116/* Record whether a type or decl was written with nonconstant size. 117 Note that TYPE_SIZE may have simplified to a constant. */ 118#define C_TYPE_VARIABLE_SIZE(TYPE) TYPE_LANG_FLAG_1 (TYPE) 119#define C_DECL_VARIABLE_SIZE(TYPE) DECL_LANG_FLAG_0 (TYPE) 120 121#if 0 /* Not used. */ --- 23 unchanged lines hidden (view full) --- 145 TYPE_ARG_TYPES for functions with prototypes, but created for functions 146 without prototypes. */ 147#define TYPE_ACTUAL_ARG_TYPES(NODE) TYPE_BINFO (NODE) 148 149 150/* in c-lang.c and objc-act.c */ 151extern tree lookup_interface PARAMS ((tree)); 152extern tree is_class_name PARAMS ((tree)); | 130}; 131 132/* Record whether a type or decl was written with nonconstant size. 133 Note that TYPE_SIZE may have simplified to a constant. */ 134#define C_TYPE_VARIABLE_SIZE(TYPE) TYPE_LANG_FLAG_1 (TYPE) 135#define C_DECL_VARIABLE_SIZE(TYPE) DECL_LANG_FLAG_0 (TYPE) 136 137#if 0 /* Not used. */ --- 23 unchanged lines hidden (view full) --- 161 TYPE_ARG_TYPES for functions with prototypes, but created for functions 162 without prototypes. */ 163#define TYPE_ACTUAL_ARG_TYPES(NODE) TYPE_BINFO (NODE) 164 165 166/* in c-lang.c and objc-act.c */ 167extern tree lookup_interface PARAMS ((tree)); 168extern tree is_class_name PARAMS ((tree)); |
| 153extern void maybe_objc_check_decl PARAMS ((tree)); | 169extern tree objc_is_id PARAMS ((tree)); 170extern void objc_check_decl PARAMS ((tree)); |
| 154extern void finish_file PARAMS ((void)); | 171extern void finish_file PARAMS ((void)); |
| 155extern int maybe_objc_comptypes PARAMS ((tree, tree, int)); 156extern tree maybe_building_objc_message_expr PARAMS ((void)); 157extern int recognize_objc_keyword PARAMS ((void)); | 172extern int objc_comptypes PARAMS ((tree, tree, int)); 173extern tree objc_message_selector PARAMS ((void)); |
| 158extern tree lookup_objc_ivar PARAMS ((tree)); 159 160 161/* in c-parse.in */ 162extern void c_parse_init PARAMS ((void)); | 174extern tree lookup_objc_ivar PARAMS ((tree)); 175 176 177/* in c-parse.in */ 178extern void c_parse_init PARAMS ((void)); |
| 163extern void c_set_yydebug PARAMS ((int)); 164extern int yyparse_1 PARAMS ((void)); | |
| 165 166/* in c-aux-info.c */ 167extern void gen_aux_info_record PARAMS ((tree, int, int, int)); 168 169/* in c-decl.c */ | 179 180/* in c-aux-info.c */ 181extern void gen_aux_info_record PARAMS ((tree, int, int, int)); 182 183/* in c-decl.c */ |
| 184extern int global_bindings_p PARAMS ((void)); 185extern int kept_level_p PARAMS ((void)); 186extern tree getdecls PARAMS ((void)); 187extern void pushlevel PARAMS ((int)); 188extern tree poplevel PARAMS ((int,int, int)); 189extern void insert_block PARAMS ((tree)); 190extern void set_block PARAMS ((tree)); 191extern tree pushdecl PARAMS ((tree)); 192 193extern void c_insert_default_attributes PARAMS ((tree)); |
|
| 170extern void c_init_decl_processing PARAMS ((void)); | 194extern void c_init_decl_processing PARAMS ((void)); |
| 195extern void c_dup_lang_specific_decl PARAMS ((tree)); |
|
| 171extern void c_print_identifier PARAMS ((FILE *, tree, int)); 172extern tree build_array_declarator PARAMS ((tree, tree, int, int)); 173extern tree build_enumerator PARAMS ((tree, tree)); | 196extern void c_print_identifier PARAMS ((FILE *, tree, int)); 197extern tree build_array_declarator PARAMS ((tree, tree, int, int)); 198extern tree build_enumerator PARAMS ((tree, tree)); |
| 174extern int c_decode_option PARAMS ((int, char **)); 175extern void c_mark_varargs PARAMS ((void)); | |
| 176extern void check_for_loop_decls PARAMS ((void)); 177extern void clear_parm_order PARAMS ((void)); 178extern int complete_array_type PARAMS ((tree, tree, int)); 179extern void declare_parm_level PARAMS ((int)); 180extern tree define_label PARAMS ((const char *, int, 181 tree)); 182extern void finish_decl PARAMS ((tree, tree, tree)); 183extern tree finish_enum PARAMS ((tree, tree, tree)); 184extern void finish_function PARAMS ((int, int)); 185extern tree finish_struct PARAMS ((tree, tree, tree)); 186extern tree get_parm_info PARAMS ((int)); 187extern tree grokfield PARAMS ((const char *, int, tree, tree, tree)); 188extern tree groktypename PARAMS ((tree)); 189extern tree groktypename_in_parm_context PARAMS ((tree)); 190extern tree implicitly_declare PARAMS ((tree)); 191extern void implicit_decl_warning PARAMS ((tree)); 192extern int in_parm_level_p PARAMS ((void)); 193extern void keep_next_level PARAMS ((void)); | 199extern void check_for_loop_decls PARAMS ((void)); 200extern void clear_parm_order PARAMS ((void)); 201extern int complete_array_type PARAMS ((tree, tree, int)); 202extern void declare_parm_level PARAMS ((int)); 203extern tree define_label PARAMS ((const char *, int, 204 tree)); 205extern void finish_decl PARAMS ((tree, tree, tree)); 206extern tree finish_enum PARAMS ((tree, tree, tree)); 207extern void finish_function PARAMS ((int, int)); 208extern tree finish_struct PARAMS ((tree, tree, tree)); 209extern tree get_parm_info PARAMS ((int)); 210extern tree grokfield PARAMS ((const char *, int, tree, tree, tree)); 211extern tree groktypename PARAMS ((tree)); 212extern tree groktypename_in_parm_context PARAMS ((tree)); 213extern tree implicitly_declare PARAMS ((tree)); 214extern void implicit_decl_warning PARAMS ((tree)); 215extern int in_parm_level_p PARAMS ((void)); 216extern void keep_next_level PARAMS ((void)); |
| 194extern int kept_level_p PARAMS ((void)); | |
| 195extern tree lookup_name PARAMS ((tree)); 196extern tree lookup_name_current_level PARAMS ((tree)); 197extern void parmlist_tags_warning PARAMS ((void)); 198extern void pending_xref_error PARAMS ((void)); | 217extern tree lookup_name PARAMS ((tree)); 218extern tree lookup_name_current_level PARAMS ((tree)); 219extern void parmlist_tags_warning PARAMS ((void)); 220extern void pending_xref_error PARAMS ((void)); |
| 199extern void mark_c_function_context PARAMS ((struct function *)); 200extern void push_c_function_context PARAMS ((struct function *)); 201extern void pop_c_function_context PARAMS ((struct function *)); | 221extern void c_push_function_context PARAMS ((struct function *)); 222extern void c_pop_function_context PARAMS ((struct function *)); |
| 202extern void pop_label_level PARAMS ((void)); 203extern void push_label_level PARAMS ((void)); 204extern void push_parm_decl PARAMS ((tree)); 205extern tree pushdecl_top_level PARAMS ((tree)); 206extern void pushtag PARAMS ((tree, tree)); 207extern tree set_array_declarator_type PARAMS ((tree, tree, int)); 208extern tree shadow_label PARAMS ((tree)); 209extern void shadow_tag PARAMS ((tree)); 210extern void shadow_tag_warned PARAMS ((tree, int)); 211extern tree start_enum PARAMS ((tree)); 212extern int start_function PARAMS ((tree, tree, tree)); 213extern tree start_decl PARAMS ((tree, tree, int, 214 tree)); 215extern tree start_struct PARAMS ((enum tree_code, tree)); 216extern void store_parm_decls PARAMS ((void)); 217extern tree xref_tag PARAMS ((enum tree_code, tree)); 218extern tree c_begin_compound_stmt PARAMS ((void)); 219extern void c_expand_deferred_function PARAMS ((tree)); 220extern void c_expand_decl_stmt PARAMS ((tree)); | 223extern void pop_label_level PARAMS ((void)); 224extern void push_label_level PARAMS ((void)); 225extern void push_parm_decl PARAMS ((tree)); 226extern tree pushdecl_top_level PARAMS ((tree)); 227extern void pushtag PARAMS ((tree, tree)); 228extern tree set_array_declarator_type PARAMS ((tree, tree, int)); 229extern tree shadow_label PARAMS ((tree)); 230extern void shadow_tag PARAMS ((tree)); 231extern void shadow_tag_warned PARAMS ((tree, int)); 232extern tree start_enum PARAMS ((tree)); 233extern int start_function PARAMS ((tree, tree, tree)); 234extern tree start_decl PARAMS ((tree, tree, int, 235 tree)); 236extern tree start_struct PARAMS ((enum tree_code, tree)); 237extern void store_parm_decls PARAMS ((void)); 238extern tree xref_tag PARAMS ((enum tree_code, tree)); 239extern tree c_begin_compound_stmt PARAMS ((void)); 240extern void c_expand_deferred_function PARAMS ((tree)); 241extern void c_expand_decl_stmt PARAMS ((tree)); |
| 242extern tree make_pointer_declarator PARAMS ((tree, tree)); |
|
| 221 | 243 |
| 222 | |
| 223/* in c-objc-common.c */ 224extern int c_disregard_inline_limits PARAMS ((tree)); 225extern int c_cannot_inline_tree_fn PARAMS ((tree *)); 226extern const char *c_objc_common_init PARAMS ((const char *)); 227extern int c_missing_noreturn_ok_p PARAMS ((tree)); 228extern void c_objc_common_finish_file PARAMS ((void)); 229extern int defer_fn PARAMS ((tree)); | 244/* in c-objc-common.c */ 245extern int c_disregard_inline_limits PARAMS ((tree)); 246extern int c_cannot_inline_tree_fn PARAMS ((tree *)); 247extern const char *c_objc_common_init PARAMS ((const char *)); 248extern int c_missing_noreturn_ok_p PARAMS ((tree)); 249extern void c_objc_common_finish_file PARAMS ((void)); 250extern int defer_fn PARAMS ((tree)); |
| 251extern bool c_warn_unused_global_decl PARAMS ((tree)); |
|
| 230 231#define c_build_type_variant(TYPE, CONST_P, VOLATILE_P) \ 232 c_build_qualified_type ((TYPE), \ 233 ((CONST_P) ? TYPE_QUAL_CONST : 0) | \ 234 ((VOLATILE_P) ? TYPE_QUAL_VOLATILE : 0)) 235 | 252 253#define c_build_type_variant(TYPE, CONST_P, VOLATILE_P) \ 254 c_build_qualified_type ((TYPE), \ 255 ((CONST_P) ? TYPE_QUAL_CONST : 0) | \ 256 ((VOLATILE_P) ? TYPE_QUAL_VOLATILE : 0)) 257 |
| 258#define c_sizeof_nowarn(T) c_sizeof_or_alignof_type (T, SIZEOF_EXPR, 0) |
|
| 236/* in c-typeck.c */ 237extern tree require_complete_type PARAMS ((tree)); 238extern int comptypes PARAMS ((tree, tree)); | 259/* in c-typeck.c */ 260extern tree require_complete_type PARAMS ((tree)); 261extern int comptypes PARAMS ((tree, tree)); |
| 239extern tree c_sizeof_nowarn PARAMS ((tree)); | |
| 240extern tree c_size_in_bytes PARAMS ((tree)); | 262extern tree c_size_in_bytes PARAMS ((tree)); |
| 263extern bool c_mark_addressable PARAMS ((tree)); 264extern void c_incomplete_type_error PARAMS ((tree, tree)); 265extern tree c_type_promotes_to PARAMS ((tree)); |
|
| 241extern tree build_component_ref PARAMS ((tree, tree)); 242extern tree build_indirect_ref PARAMS ((tree, const char *)); 243extern tree build_array_ref PARAMS ((tree, tree)); 244extern tree build_external_ref PARAMS ((tree, int)); 245extern tree parser_build_binary_op PARAMS ((enum tree_code, 246 tree, tree)); | 266extern tree build_component_ref PARAMS ((tree, tree)); 267extern tree build_indirect_ref PARAMS ((tree, const char *)); 268extern tree build_array_ref PARAMS ((tree, tree)); 269extern tree build_external_ref PARAMS ((tree, int)); 270extern tree parser_build_binary_op PARAMS ((enum tree_code, 271 tree, tree)); |
| 272extern int c_tree_expr_nonnegative_p PARAMS ((tree)); |
|
| 247extern void readonly_warning PARAMS ((tree, const char *)); 248extern tree build_conditional_expr PARAMS ((tree, tree, tree)); 249extern tree build_compound_expr PARAMS ((tree)); 250extern tree c_cast_expr PARAMS ((tree, tree)); 251extern tree build_c_cast PARAMS ((tree, tree)); 252extern tree build_modify_expr PARAMS ((tree, enum tree_code, 253 tree)); 254extern void store_init_value PARAMS ((tree, tree)); --- 27 unchanged lines hidden (view full) --- 282 283extern int current_function_returns_null; 284 285/* Set to 0 at beginning of a function definition, set to 1 if 286 a call to a noreturn function is seen. */ 287 288extern int current_function_returns_abnormally; 289 | 273extern void readonly_warning PARAMS ((tree, const char *)); 274extern tree build_conditional_expr PARAMS ((tree, tree, tree)); 275extern tree build_compound_expr PARAMS ((tree)); 276extern tree c_cast_expr PARAMS ((tree, tree)); 277extern tree build_c_cast PARAMS ((tree, tree)); 278extern tree build_modify_expr PARAMS ((tree, enum tree_code, 279 tree)); 280extern void store_init_value PARAMS ((tree, tree)); --- 27 unchanged lines hidden (view full) --- 308 309extern int current_function_returns_null; 310 311/* Set to 0 at beginning of a function definition, set to 1 if 312 a call to a noreturn function is seen. */ 313 314extern int current_function_returns_abnormally; 315 |
| 290/* Nonzero means `$' can be in an identifier. */ 291 292extern int dollars_in_ident; 293 294/* Nonzero means allow type mismatches in conditional expressions; 295 just make their values `void'. */ 296 297extern int flag_cond_mismatch; 298 299/* Nonzero means don't recognize the keyword `asm'. */ 300 301extern int flag_no_asm; 302 303/* Nonzero means warn about implicit declarations. */ 304 305extern int warn_implicit; 306 307/* Nonzero means warn for all old-style non-prototype function decls. */ 308 309extern int warn_strict_prototypes; 310 311/* Nonzero means warn about multiple (redundant) decls for the same single 312 variable or function. */ 313 314extern int warn_redundant_decls; 315 316/* Nonzero means warn about extern declarations of objects not at 317 file-scope level and about *all* declarations of functions (whether 318 extern or static) not at file-scope level. Note that we exclude 319 implicit function declarations. To get warnings about those, use 320 -Wimplicit. */ 321 322extern int warn_nested_externs; 323 324/* Nonzero means warn about pointer casts that can drop a type qualifier 325 from the pointer target type. */ 326 327extern int warn_cast_qual; 328 329/* Nonzero means warn when casting a function call to a type that does 330 not match the return type (e.g. (float)sqrt() or (anything*)malloc() 331 when there is no previous declaration of sqrt or malloc. */ 332 333extern int warn_bad_function_cast; 334 335/* Warn about traditional constructs whose meanings changed in ANSI C. */ 336 337extern int warn_traditional; 338 339/* Warn about a subscript that has type char. */ 340 341extern int warn_char_subscripts; 342 343/* Warn if main is suspicious. */ 344 345extern int warn_main; 346 347/* Nonzero means to allow single precision math even if we're generally 348 being traditional. */ 349extern int flag_allow_single_precision; 350 351/* Warn if initializer is not completely bracketed. */ 352 353extern int warn_missing_braces; 354 355/* Warn about comparison of signed and unsigned values. */ 356 357extern int warn_sign_compare; 358 359/* Warn about testing equality of floating point numbers. */ 360 361extern int warn_float_equal; 362 363/* Warn about multicharacter constants. */ 364 365extern int warn_multichar; 366 | |
| 367/* Nonzero means we are reading code that came from a system header file. */ 368 369extern int system_header_p; 370 | 316/* Nonzero means we are reading code that came from a system header file. */ 317 318extern int system_header_p; 319 |
| 371/* Warn about implicit declarations. 1 = warning, 2 = error. */ 372extern int mesg_implicit_function_declaration; 373 | |
| 374/* In c-decl.c */ | 320/* In c-decl.c */ |
| 375extern void finish_incomplete_decl PARAMS ((tree)); | 321extern void c_finish_incomplete_decl PARAMS ((tree)); |
| 376 | 322 |
| 377extern tree static_ctors; 378extern tree static_dtors; | 323extern GTY(()) tree static_ctors; 324extern GTY(()) tree static_dtors; |
| 379 380#endif /* ! GCC_C_TREE_H */ | 325 326#endif /* ! GCC_C_TREE_H */ |