2 * This file is part of cparser.
3 * Copyright (C) 2007-2008 Matthias Braun <matze@braunis.de>
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
23 #include <libfirm/firm_types.h>
32 /** The AST obstack contains all data that must stay in the AST. */
33 extern struct obstack ast_obstack;
38 typedef enum expression_kind_t {
43 EXPR_CHARACTER_CONSTANT,
44 EXPR_WIDE_CHARACTER_CONSTANT,
46 EXPR_WIDE_STRING_LITERAL,
47 EXPR_COMPOUND_LITERAL,
58 EXPR_BUILTIN_CONSTANT_P,
59 EXPR_BUILTIN_PREFETCH,
66 EXPR_UNARY_NEGATE = EXPR_UNARY_FIRST,
68 EXPR_UNARY_BITWISE_NEGATE,
70 EXPR_UNARY_DEREFERENCE,
71 EXPR_UNARY_TAKE_ADDRESS,
72 EXPR_UNARY_POSTFIX_INCREMENT,
73 EXPR_UNARY_POSTFIX_DECREMENT,
74 EXPR_UNARY_PREFIX_INCREMENT,
75 EXPR_UNARY_PREFIX_DECREMENT,
77 EXPR_UNARY_CAST_IMPLICIT, /**< compiler generated cast */
78 EXPR_UNARY_ASSUME, /**< MS __assume() */
79 EXPR_UNARY_LAST = EXPR_UNARY_ASSUME,
82 EXPR_BINARY_ADD = EXPR_BINARY_FIRST,
90 EXPR_BINARY_LESSEQUAL,
92 EXPR_BINARY_GREATEREQUAL,
93 EXPR_BINARY_BITWISE_AND,
94 EXPR_BINARY_BITWISE_OR,
95 EXPR_BINARY_BITWISE_XOR,
96 EXPR_BINARY_LOGICAL_AND,
97 EXPR_BINARY_LOGICAL_OR,
98 EXPR_BINARY_SHIFTLEFT,
99 EXPR_BINARY_SHIFTRIGHT,
101 EXPR_BINARY_MUL_ASSIGN,
102 EXPR_BINARY_DIV_ASSIGN,
103 EXPR_BINARY_MOD_ASSIGN,
104 EXPR_BINARY_ADD_ASSIGN,
105 EXPR_BINARY_SUB_ASSIGN,
106 EXPR_BINARY_SHIFTLEFT_ASSIGN,
107 EXPR_BINARY_SHIFTRIGHT_ASSIGN,
108 EXPR_BINARY_BITWISE_AND_ASSIGN,
109 EXPR_BINARY_BITWISE_XOR_ASSIGN,
110 EXPR_BINARY_BITWISE_OR_ASSIGN,
113 EXPR_BINARY_BUILTIN_EXPECT,
114 EXPR_BINARY_ISGREATER,
115 EXPR_BINARY_ISGREATEREQUAL,
117 EXPR_BINARY_ISLESSEQUAL,
118 EXPR_BINARY_ISLESSGREATER,
119 EXPR_BINARY_ISUNORDERED,
120 EXPR_BINARY_LAST = EXPR_BINARY_ISUNORDERED,
123 typedef enum funcname_kind_t {
124 FUNCNAME_FUNCTION, /**< C99 __func__, older __FUNCTION__ */
125 FUNCNAME_PRETTY_FUNCTION, /**< GNUC __PRETTY_FUNCTION__ */
126 FUNCNAME_FUNCSIG, /**< MS __FUNCSIG__ */
127 FUNCNAME_FUNCDNAME /**< MS __FUNCDNAME__ */
130 /* convenience macros */
131 #define EXPR_BINARY_CASES \
132 case EXPR_BINARY_ADD: \
133 case EXPR_BINARY_SUB: \
134 case EXPR_BINARY_MUL: \
135 case EXPR_BINARY_DIV: \
136 case EXPR_BINARY_MOD: \
137 case EXPR_BINARY_EQUAL: \
138 case EXPR_BINARY_NOTEQUAL: \
139 case EXPR_BINARY_LESS: \
140 case EXPR_BINARY_LESSEQUAL: \
141 case EXPR_BINARY_GREATER: \
142 case EXPR_BINARY_GREATEREQUAL: \
143 case EXPR_BINARY_BITWISE_AND: \
144 case EXPR_BINARY_BITWISE_OR: \
145 case EXPR_BINARY_BITWISE_XOR: \
146 case EXPR_BINARY_LOGICAL_AND: \
147 case EXPR_BINARY_LOGICAL_OR: \
148 case EXPR_BINARY_SHIFTLEFT: \
149 case EXPR_BINARY_SHIFTRIGHT: \
150 case EXPR_BINARY_ASSIGN: \
151 case EXPR_BINARY_MUL_ASSIGN: \
152 case EXPR_BINARY_DIV_ASSIGN: \
153 case EXPR_BINARY_MOD_ASSIGN: \
154 case EXPR_BINARY_ADD_ASSIGN: \
155 case EXPR_BINARY_SUB_ASSIGN: \
156 case EXPR_BINARY_SHIFTLEFT_ASSIGN: \
157 case EXPR_BINARY_SHIFTRIGHT_ASSIGN: \
158 case EXPR_BINARY_BITWISE_AND_ASSIGN: \
159 case EXPR_BINARY_BITWISE_XOR_ASSIGN: \
160 case EXPR_BINARY_BITWISE_OR_ASSIGN: \
161 case EXPR_BINARY_COMMA: \
162 case EXPR_BINARY_BUILTIN_EXPECT: \
163 case EXPR_BINARY_ISGREATER: \
164 case EXPR_BINARY_ISGREATEREQUAL: \
165 case EXPR_BINARY_ISLESS: \
166 case EXPR_BINARY_ISLESSEQUAL: \
167 case EXPR_BINARY_ISLESSGREATER: \
168 case EXPR_BINARY_ISUNORDERED:
170 #define EXPR_UNARY_CASES \
171 case EXPR_UNARY_NEGATE: \
172 case EXPR_UNARY_PLUS: \
173 case EXPR_UNARY_BITWISE_NEGATE: \
174 case EXPR_UNARY_NOT: \
175 case EXPR_UNARY_DEREFERENCE: \
176 case EXPR_UNARY_TAKE_ADDRESS: \
177 case EXPR_UNARY_POSTFIX_INCREMENT: \
178 case EXPR_UNARY_POSTFIX_DECREMENT: \
179 case EXPR_UNARY_PREFIX_INCREMENT: \
180 case EXPR_UNARY_PREFIX_DECREMENT: \
181 case EXPR_UNARY_CAST: \
182 case EXPR_UNARY_CAST_IMPLICIT: \
183 case EXPR_UNARY_ASSUME:
186 * A scope containing declarations.
189 declaration_t *declarations; /**< List of declarations in this scope. */
190 declaration_t *last_declaration; /**< last declaration in this scope. */
193 struct expression_base_t {
194 expression_kind_t kind;
196 source_position_t source_position;
202 struct const_expression_t {
203 expression_base_t base;
206 long double float_value;
208 wide_string_t wide_character;
210 bool is_ms_noop; /**< True, if this constant is the result
211 of an microsoft __noop operator */
214 struct string_literal_expression_t {
215 expression_base_t base;
219 struct funcname_expression_t {
220 expression_base_t base;
221 funcname_kind_t kind;
222 string_t value; /**< the value once assigned. */
225 struct wide_string_literal_expression_t {
226 expression_base_t base;
230 struct compound_literal_expression_t {
231 expression_base_t base;
233 initializer_t *initializer;
236 struct builtin_symbol_expression_t {
237 expression_base_t base;
241 struct builtin_constant_expression_t {
242 expression_base_t base;
246 struct builtin_prefetch_expression_t {
247 expression_base_t base;
250 expression_t *locality;
253 struct reference_expression_t {
254 expression_base_t base;
255 declaration_t *declaration;
258 struct call_argument_t {
259 expression_t *expression;
260 call_argument_t *next;
263 struct call_expression_t {
264 expression_base_t base;
265 expression_t *function;
266 call_argument_t *arguments;
269 struct unary_expression_t {
270 expression_base_t base;
274 struct binary_expression_t {
275 expression_base_t base;
280 struct select_expression_t {
281 expression_base_t base;
282 expression_t *compound;
283 declaration_t *compound_entry;
286 struct array_access_expression_t {
287 expression_base_t base;
288 expression_t *array_ref;
290 bool flipped; /* index/ref was written in a 5[a] way */
293 struct typeprop_expression_t {
294 expression_base_t base;
296 expression_t *tp_expression;
299 struct designator_t {
300 source_position_t source_position;
302 expression_t *array_index;
306 struct offsetof_expression_t {
307 expression_base_t base;
309 designator_t *designator;
312 struct va_start_expression_t {
313 expression_base_t base;
315 declaration_t *parameter;
318 struct va_arg_expression_t {
319 expression_base_t base;
323 struct conditional_expression_t {
324 expression_base_t base;
325 expression_t *condition;
326 expression_t *true_expression;
327 expression_t *false_expression;
330 struct statement_expression_t {
331 expression_base_t base;
332 statement_t *statement;
335 struct classify_type_expression_t {
336 expression_base_t base;
337 expression_t *type_expression;
341 expression_kind_t kind;
342 expression_base_t base;
343 const_expression_t conste;
344 funcname_expression_t funcname;
345 string_literal_expression_t string;
346 wide_string_literal_expression_t wide_string;
347 compound_literal_expression_t compound_literal;
348 builtin_symbol_expression_t builtin_symbol;
349 builtin_constant_expression_t builtin_constant;
350 builtin_prefetch_expression_t builtin_prefetch;
351 reference_expression_t reference;
352 call_expression_t call;
353 unary_expression_t unary;
354 binary_expression_t binary;
355 select_expression_t select;
356 array_access_expression_t array_access;
357 typeprop_expression_t typeprop;
358 offsetof_expression_t offsetofe;
359 va_start_expression_t va_starte;
360 va_arg_expression_t va_arge;
361 conditional_expression_t conditional;
362 statement_expression_t statement;
363 classify_type_expression_t classify_type;
366 typedef enum storage_class_tag_t {
368 STORAGE_CLASS_EXTERN,
369 STORAGE_CLASS_STATIC,
370 STORAGE_CLASS_TYPEDEF,
372 STORAGE_CLASS_REGISTER,
373 STORAGE_CLASS_ENUM_ENTRY,
374 STORAGE_CLASS_THREAD,
375 STORAGE_CLASS_THREAD_EXTERN,
376 STORAGE_CLASS_THREAD_STATIC,
377 } storage_class_tag_t;
379 typedef enum namespace_t {
387 typedef enum initializer_kind_t {
391 INITIALIZER_WIDE_STRING,
392 INITIALIZER_DESIGNATOR
393 } initializer_kind_t;
395 struct initializer_base_t {
396 initializer_kind_t kind;
399 struct initializer_value_t {
400 initializer_base_t base;
404 struct initializer_list_t {
405 initializer_base_t base;
407 initializer_t *initializers[];
410 struct initializer_string_t {
411 initializer_base_t base;
415 struct initializer_wide_string_t {
416 initializer_base_t base;
417 wide_string_t string;
420 struct initializer_designator_t {
421 initializer_base_t base;
422 designator_t *designator;
425 union initializer_t {
426 initializer_kind_t kind;
427 initializer_base_t base;
428 initializer_value_t value;
429 initializer_list_t list;
430 initializer_string_t string;
431 initializer_wide_string_t wide_string;
432 initializer_designator_t designator;
438 typedef enum gnu_attribute_kind_t {
449 GNU_AK_ALWAYS_INLINE,
455 GNU_AK_TRANSPARENT_UNION,
463 GNU_AK_NO_INSTRUMENT_FUNCTION,
464 GNU_AK_WARN_UNUSED_RESULT,
469 GNU_AK_FUNCTION_VECTOR,
471 GNU_AK_INTERRUPT_HANDLER,
477 GNU_AK_EIGTHBIT_DATA,
482 GNU_AK_EXTERNALLY_VISIBLE,
505 } gnu_attribute_kind_t;
508 * Extended microsoft modifier.
510 typedef enum decl_modifier_t {
511 DM_DLLIMPORT = 1 << 0,
512 DM_DLLEXPORT = 1 << 1,
515 DM_MICROSOFT_INLINE = 1 << 4,
516 DM_FORCEINLINE = 1 << 5,
517 DM_SELECTANY = 1 << 6,
519 DM_NOVTABLE = 1 << 8,
520 DM_NORETURN = 1 << 9,
521 DM_NOINLINE = 1 << 10,
522 DM_RESTRICT = 1 << 11,
523 DM_NOALIAS = 1 << 12,
525 DM_TRANSPARENT_UNION = 1 << 14,
527 DM_CONSTRUCTOR = 1 << 16,
528 DM_DESTRUCTOR = 1 << 17,
532 DM_FASTCALL = 1 << 21,
533 DM_STDCALL = 1 << 22,
534 DM_THISCALL = 1 << 23,
535 DM_DEPRECATED = 1 << 24
538 typedef unsigned decl_modifiers_t;
540 struct declaration_t {
541 unsigned char namespc;
542 unsigned char declared_storage_class;
543 unsigned char storage_class;
544 unsigned char alignment; /**< Alignment of the declaration, 0 for default. */
545 decl_modifiers_t modifiers; /**< modifiers. */
546 const char *deprecated_string; /**< MS deprecated string if any. */
547 symbol_t *get_property_sym; /**< MS get property. */
548 symbol_t *put_property_sym; /**< MS put property. */
549 unsigned int address_taken : 1; /**< Set if the address of this declaration was taken. */
550 unsigned int is_inline : 1;
551 unsigned int used : 1; /**< Set if the declaration is used. */
552 unsigned int implicit : 1; /**< Set for implicit (not found in source code) declarations. */
554 il_size_t offset; /**< The offset of this member inside a compound. */
556 string_t *asm_name; /**< GCC extension: ASM label. */
557 source_position_t source_position;
559 bool complete; /**< used to indicate whether struct/union types are already defined or if just the name is declared */
560 statement_t *statement;
561 initializer_t *initializer;
562 expression_t *enum_value;
564 scope_t scope; /**< The scope that this declaration opens. */
565 scope_t *parent_scope; /**< The parent scope where this declaration lives. */
567 /** next declaration in a scope */
569 /** next declaration with same symbol */
570 declaration_t *symbol_next;
572 /* the following fields are used in ast2firm module */
573 unsigned char declaration_kind;
575 unsigned int value_number;
584 typedef enum statement_kind_t {
589 STATEMENT_DECLARATION,
592 STATEMENT_EXPRESSION,
597 STATEMENT_CASE_LABEL,
606 struct statement_base_t {
607 statement_kind_t kind;
609 source_position_t source_position;
617 struct invalid_statement_t {
618 statement_base_t base;
621 struct empty_statement_t {
622 statement_base_t base;
625 struct return_statement_t {
626 statement_base_t base;
630 struct compound_statement_t {
631 statement_base_t base;
632 statement_t *statements;
636 struct declaration_statement_t {
637 statement_base_t base;
638 declaration_t *declarations_begin;
639 declaration_t *declarations_end;
642 struct if_statement_t {
643 statement_base_t base;
644 expression_t *condition;
645 statement_t *true_statement;
646 statement_t *false_statement;
649 struct switch_statement_t {
650 statement_base_t base;
651 expression_t *expression;
653 case_label_statement_t *first_case, *last_case; /**< List of all cases, including default. */
654 case_label_statement_t *default_label; /**< The default label if existent. */
655 unsigned long default_proj_nr; /**< The Proj-number for the default Proj. */
658 struct goto_statement_t {
659 statement_base_t base;
660 declaration_t *label; /**< The destination label. */
661 expression_t *expression; /**< The expression for an assigned goto. */
662 goto_statement_t *next; /**< links all goto statements of a function */
665 struct case_label_statement_t {
666 statement_base_t base;
667 expression_t *expression; /**< The case label expression, NULL for default label. */
668 expression_t *end_range; /**< For GNUC case a .. b: the end range expression, NULL else. */
669 case_label_statement_t *next; /**< link to the next case label in switch */
670 statement_t *statement;
671 long first_case; /**< The folded value of expression. */
672 long last_case; /**< The folded value of end_range. */
673 bool is_bad; /**< If set marked as bad to supress warnings. */
674 bool is_empty; /**< If set marked this is a empty range. */
677 struct label_statement_t {
678 statement_base_t base;
679 declaration_t *label;
680 statement_t *statement;
681 label_statement_t *next; /**< links all label statements of a function */
684 struct expression_statement_t {
685 statement_base_t base;
686 expression_t *expression;
689 struct while_statement_t {
690 statement_base_t base;
691 expression_t *condition;
695 struct do_while_statement_t {
696 statement_base_t base;
697 expression_t *condition;
701 struct for_statement_t {
702 statement_base_t base;
703 expression_t *initialisation;
704 expression_t *condition;
708 bool condition_reachable:1;
709 bool step_reachable:1;
712 struct asm_argument_t {
713 string_t constraints;
714 expression_t *expression;
716 asm_argument_t *next;
719 struct asm_clobber_t {
724 struct asm_statement_t {
725 statement_base_t base;
727 asm_argument_t *inputs;
728 asm_argument_t *outputs;
729 asm_clobber_t *clobbers;
733 struct ms_try_statement_t {
734 statement_base_t base;
735 statement_t *try_statement;
736 expression_t *except_expression; /**< non-null for except, NULL for finally */
737 statement_t *final_statement;
740 struct leave_statement_t {
741 statement_base_t base;
745 statement_kind_t kind;
746 statement_base_t base;
747 return_statement_t returns;
748 compound_statement_t compound;
749 declaration_statement_t declaration;
751 switch_statement_t switchs;
752 goto_statement_t gotos;
753 case_label_statement_t case_label;
754 label_statement_t label;
755 expression_statement_t expression;
756 while_statement_t whiles;
757 do_while_statement_t do_while;
758 for_statement_t fors;
759 asm_statement_t asms;
760 ms_try_statement_t ms_try;
761 leave_statement_t leave;
764 struct translation_unit_t {
766 statement_t *global_asm;
770 void *_allocate_ast(size_t size)
772 return obstack_alloc(&ast_obstack, size);
776 bool is_invalid_expression(expression_t *expression)
778 return expression->base.kind == EXPR_INVALID;
782 bool is_invalid_statement(statement_t *statement)
784 return statement->base.kind == STATEMENT_INVALID;
788 #define allocate_ast(size) _allocate_ast(size)