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;
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_BITFIELD_EXTRACT,
80 EXPR_UNARY_LAST = EXPR_UNARY_BITFIELD_EXTRACT,
83 EXPR_BINARY_ADD = EXPR_BINARY_FIRST,
91 EXPR_BINARY_LESSEQUAL,
93 EXPR_BINARY_GREATEREQUAL,
94 EXPR_BINARY_BITWISE_AND,
95 EXPR_BINARY_BITWISE_OR,
96 EXPR_BINARY_BITWISE_XOR,
97 EXPR_BINARY_LOGICAL_AND,
98 EXPR_BINARY_LOGICAL_OR,
99 EXPR_BINARY_SHIFTLEFT,
100 EXPR_BINARY_SHIFTRIGHT,
102 EXPR_BINARY_MUL_ASSIGN,
103 EXPR_BINARY_DIV_ASSIGN,
104 EXPR_BINARY_MOD_ASSIGN,
105 EXPR_BINARY_ADD_ASSIGN,
106 EXPR_BINARY_SUB_ASSIGN,
107 EXPR_BINARY_SHIFTLEFT_ASSIGN,
108 EXPR_BINARY_SHIFTRIGHT_ASSIGN,
109 EXPR_BINARY_BITWISE_AND_ASSIGN,
110 EXPR_BINARY_BITWISE_XOR_ASSIGN,
111 EXPR_BINARY_BITWISE_OR_ASSIGN,
114 EXPR_BINARY_BUILTIN_EXPECT,
115 EXPR_BINARY_ISGREATER,
116 EXPR_BINARY_ISGREATEREQUAL,
118 EXPR_BINARY_ISLESSEQUAL,
119 EXPR_BINARY_ISLESSGREATER,
120 EXPR_BINARY_ISUNORDERED,
121 EXPR_BINARY_LAST = EXPR_BINARY_ISUNORDERED,
125 FUNCNAME_FUNCTION, /**< C99 __func__, older __FUNCTION__ */
126 FUNCNAME_PRETTY_FUNCTION, /**< GNUC __PRETTY_FUNCTION__ */
127 FUNCNAME_FUNCSIG, /**< MS __FUNCSIG__ */
128 FUNCNAME_FUNCDNAME /**< MS __FUNCDNAME__ */
131 /* convenience macros */
132 #define EXPR_BINARY_CASES \
133 case EXPR_BINARY_ADD: \
134 case EXPR_BINARY_SUB: \
135 case EXPR_BINARY_MUL: \
136 case EXPR_BINARY_DIV: \
137 case EXPR_BINARY_MOD: \
138 case EXPR_BINARY_EQUAL: \
139 case EXPR_BINARY_NOTEQUAL: \
140 case EXPR_BINARY_LESS: \
141 case EXPR_BINARY_LESSEQUAL: \
142 case EXPR_BINARY_GREATER: \
143 case EXPR_BINARY_GREATEREQUAL: \
144 case EXPR_BINARY_BITWISE_AND: \
145 case EXPR_BINARY_BITWISE_OR: \
146 case EXPR_BINARY_BITWISE_XOR: \
147 case EXPR_BINARY_LOGICAL_AND: \
148 case EXPR_BINARY_LOGICAL_OR: \
149 case EXPR_BINARY_SHIFTLEFT: \
150 case EXPR_BINARY_SHIFTRIGHT: \
151 case EXPR_BINARY_ASSIGN: \
152 case EXPR_BINARY_MUL_ASSIGN: \
153 case EXPR_BINARY_DIV_ASSIGN: \
154 case EXPR_BINARY_MOD_ASSIGN: \
155 case EXPR_BINARY_ADD_ASSIGN: \
156 case EXPR_BINARY_SUB_ASSIGN: \
157 case EXPR_BINARY_SHIFTLEFT_ASSIGN: \
158 case EXPR_BINARY_SHIFTRIGHT_ASSIGN: \
159 case EXPR_BINARY_BITWISE_AND_ASSIGN: \
160 case EXPR_BINARY_BITWISE_XOR_ASSIGN: \
161 case EXPR_BINARY_BITWISE_OR_ASSIGN: \
162 case EXPR_BINARY_COMMA: \
163 case EXPR_BINARY_BUILTIN_EXPECT: \
164 case EXPR_BINARY_ISGREATER: \
165 case EXPR_BINARY_ISGREATEREQUAL: \
166 case EXPR_BINARY_ISLESS: \
167 case EXPR_BINARY_ISLESSEQUAL: \
168 case EXPR_BINARY_ISLESSGREATER: \
169 case EXPR_BINARY_ISUNORDERED:
171 #define EXPR_UNARY_CASES \
172 case EXPR_UNARY_NEGATE: \
173 case EXPR_UNARY_PLUS: \
174 case EXPR_UNARY_BITWISE_NEGATE: \
175 case EXPR_UNARY_NOT: \
176 case EXPR_UNARY_DEREFERENCE: \
177 case EXPR_UNARY_TAKE_ADDRESS: \
178 case EXPR_UNARY_POSTFIX_INCREMENT: \
179 case EXPR_UNARY_POSTFIX_DECREMENT: \
180 case EXPR_UNARY_PREFIX_INCREMENT: \
181 case EXPR_UNARY_PREFIX_DECREMENT: \
182 case EXPR_UNARY_CAST: \
183 case EXPR_UNARY_CAST_IMPLICIT: \
184 case EXPR_UNARY_ASSUME: \
185 case EXPR_UNARY_BITFIELD_EXTRACT:
188 * A scope containing declarations.
191 declaration_t *declarations; /**< List of declarations in this scope. */
192 declaration_t *last_declaration; /**< last declaration in this scope. */
195 struct expression_base_t {
196 expression_kind_t kind;
198 source_position_t source_position;
201 struct const_expression_t {
202 expression_base_t base;
205 long double float_value;
207 wide_string_t wide_character;
209 bool is_ms_noop; /**< True, if this constant is the result
210 of an microsoft __noop operator */
213 struct string_literal_expression_t {
214 expression_base_t base;
218 struct funcname_expression_t {
219 expression_base_t base;
220 funcname_kind_t kind;
221 string_t value; /**< the value once assigned. */
224 struct wide_string_literal_expression_t {
225 expression_base_t base;
229 struct compound_literal_expression_t {
230 expression_base_t base;
232 initializer_t *initializer;
235 struct builtin_symbol_expression_t {
236 expression_base_t base;
240 struct builtin_constant_expression_t {
241 expression_base_t base;
245 struct builtin_prefetch_expression_t {
246 expression_base_t base;
249 expression_t *locality;
252 struct reference_expression_t {
253 expression_base_t base;
254 declaration_t *declaration;
257 struct call_argument_t {
258 expression_t *expression;
259 call_argument_t *next;
262 struct call_expression_t {
263 expression_base_t base;
264 expression_t *function;
265 call_argument_t *arguments;
268 struct unary_expression_t {
269 expression_base_t base;
273 struct binary_expression_t {
274 expression_base_t base;
279 struct select_expression_t {
280 expression_base_t base;
281 expression_t *compound;
284 declaration_t *compound_entry;
287 struct array_access_expression_t {
288 expression_base_t base;
289 expression_t *array_ref;
291 bool flipped; /* index/ref was written in a 5[a] way */
294 struct typeprop_expression_t {
295 expression_base_t base;
297 expression_t *tp_expression;
300 struct designator_t {
301 source_position_t source_position;
303 expression_t *array_index;
307 struct offsetof_expression_t {
308 expression_base_t base;
310 designator_t *designator;
313 struct va_start_expression_t {
314 expression_base_t base;
316 declaration_t *parameter;
319 struct va_arg_expression_t {
320 expression_base_t base;
324 struct conditional_expression_t {
325 expression_base_t base;
326 expression_t *condition;
327 expression_t *true_expression;
328 expression_t *false_expression;
331 struct statement_expression_t {
332 expression_base_t base;
333 statement_t *statement;
336 struct classify_type_expression_t {
337 expression_base_t base;
338 expression_t *type_expression;
342 expression_kind_t kind;
343 expression_base_t base;
344 const_expression_t conste;
345 funcname_expression_t funcname;
346 string_literal_expression_t string;
347 wide_string_literal_expression_t wide_string;
348 compound_literal_expression_t compound_literal;
349 builtin_symbol_expression_t builtin_symbol;
350 builtin_constant_expression_t builtin_constant;
351 builtin_prefetch_expression_t builtin_prefetch;
352 reference_expression_t reference;
353 call_expression_t call;
354 unary_expression_t unary;
355 binary_expression_t binary;
356 select_expression_t select;
357 array_access_expression_t array_access;
358 typeprop_expression_t typeprop;
359 offsetof_expression_t offsetofe;
360 va_start_expression_t va_starte;
361 va_arg_expression_t va_arge;
362 conditional_expression_t conditional;
363 statement_expression_t statement;
364 classify_type_expression_t classify_type;
369 STORAGE_CLASS_EXTERN,
370 STORAGE_CLASS_STATIC,
371 STORAGE_CLASS_TYPEDEF,
373 STORAGE_CLASS_REGISTER,
374 STORAGE_CLASS_ENUM_ENTRY,
375 STORAGE_CLASS_THREAD,
376 STORAGE_CLASS_THREAD_EXTERN,
377 STORAGE_CLASS_THREAD_STATIC,
378 } storage_class_tag_t;
392 INITIALIZER_WIDE_STRING,
393 INITIALIZER_DESIGNATOR
394 } initializer_kind_t;
396 struct initializer_base_t {
397 initializer_kind_t kind;
400 struct initializer_value_t {
401 initializer_base_t base;
405 struct initializer_list_t {
406 initializer_base_t base;
408 initializer_t *initializers[];
411 struct initializer_string_t {
412 initializer_base_t base;
416 struct initializer_wide_string_t {
417 initializer_base_t base;
418 wide_string_t string;
421 struct initializer_designator_t {
422 initializer_base_t base;
423 designator_t *designator;
426 union initializer_t {
427 initializer_kind_t kind;
428 initializer_base_t base;
429 initializer_value_t value;
430 initializer_list_t list;
431 initializer_string_t string;
432 initializer_wide_string_t wide_string;
433 initializer_designator_t designator;
439 typedef enum gnu_attribute_kind_t {
450 GNU_AK_ALWAYS_INLINE,
456 GNU_AK_TRANSPARENT_UNION,
464 GNU_AK_NO_INSTRUMENT_FUNCTION,
465 GNU_AK_WARN_UNUSED_RESULT,
470 GNU_AK_FUNCTION_VECTOR,
472 GNU_AK_INTERRUPT_HANDLER,
478 GNU_AK_EIGTHBIT_DATA,
483 GNU_AK_EXTERNALLY_VISIBLE,
506 } gnu_attribute_kind_t;
509 * Extended microsoft modifier.
512 DM_DLLIMPORT = (1 << 0),
513 DM_DLLEXPORT = (1 << 1),
514 DM_THREAD = (1 << 2),
516 DM_MICROSOFT_INLINE = (1 << 4),
517 DM_FORCEINLINE = (1 << 5),
518 DM_SELECTANY = (1 << 6),
519 DM_NOTHROW = (1 << 7),
520 DM_NOVTABLE = (1 << 8),
521 DM_NORETURN = (1 << 9),
522 DM_NOINLINE = (1 << 10),
523 DM_RESTRICT = (1 << 11),
524 DM_NOALIAS = (1 << 12)
527 typedef unsigned short decl_modifiers_t;
529 struct declaration_t {
530 unsigned char namespc;
531 unsigned char declared_storage_class;
532 unsigned char storage_class;
533 unsigned char alignment; /**< Alignment of the declaration, 0 for default. */
534 decl_modifiers_t decl_modifiers; /**< MS __declspec modifiers. */
535 const char *deprecated_string; /**< MS deprecated string if any. */
536 symbol_t *get_property_sym; /**< MS get property. */
537 symbol_t *put_property_sym; /**< MS put property. */
538 unsigned int address_taken : 1;
539 unsigned int is_inline : 1;
540 unsigned int used : 1; /**< Set if the declaration is used. */
541 unsigned int deprecated : 1; /**< Microsoft or GNU deprecated attribute. */
544 source_position_t source_position;
546 bool complete; /**< used to indicate wether struct/union types are already defined or if just the name is declared */
547 statement_t *statement;
548 initializer_t *initializer;
549 expression_t *enum_value;
551 scope_t scope; /**< The scope that this declaration opens. */
552 scope_t *parent_scope; /**< The parent scope where this declaration lives. */
554 /** next declaration in a scope */
556 /** next declaration with same symbol */
557 declaration_t *symbol_next;
559 /* the following fields are used in ast2firm module */
560 unsigned char declaration_kind;
562 unsigned int value_number;
576 STATEMENT_DECLARATION,
579 STATEMENT_EXPRESSION,
584 STATEMENT_CASE_LABEL,
593 struct statement_base_t {
594 statement_kind_t kind;
596 source_position_t source_position;
599 struct invalid_statement_t {
600 statement_base_t base;
603 struct empty_statement_t {
604 statement_base_t base;
607 struct return_statement_t {
608 statement_base_t base;
612 struct compound_statement_t {
613 statement_base_t base;
614 statement_t *statements;
618 struct declaration_statement_t {
619 statement_base_t base;
620 declaration_t *declarations_begin;
621 declaration_t *declarations_end;
624 struct if_statement_t {
625 statement_base_t base;
626 expression_t *condition;
627 statement_t *true_statement;
628 statement_t *false_statement;
631 struct switch_statement_t {
632 statement_base_t base;
633 expression_t *expression;
635 case_label_statement_t *first_case, *last_case;
638 struct goto_statement_t {
639 statement_base_t base;
640 declaration_t *label; /**< The destination label. */
641 goto_statement_t *next; /**< links all goto statements of a function */
644 struct case_label_statement_t {
645 statement_base_t base;
646 expression_t *expression; /**< The case label expression, NULL for default label. */
647 expression_t *end_range; /**< For GNUC case a .. b: the end range expression, NULL else. */
648 statement_t *statement;
649 case_label_statement_t *next; /**< link to the next case label in switch */
652 struct label_statement_t {
653 statement_base_t base;
654 declaration_t *label;
655 statement_t *statement;
656 label_statement_t *next; /**< links all label statements of a function */
659 struct expression_statement_t {
660 statement_base_t base;
661 expression_t *expression;
664 struct while_statement_t {
665 statement_base_t base;
666 expression_t *condition;
670 struct do_while_statement_t {
671 statement_base_t base;
672 expression_t *condition;
676 struct for_statement_t {
677 statement_base_t base;
678 expression_t *initialisation;
679 expression_t *condition;
685 struct asm_constraint_t {
686 string_t constraints;
687 expression_t *expression;
689 asm_constraint_t *next;
692 struct asm_clobber_t {
697 struct asm_statement_t {
698 statement_base_t base;
700 asm_constraint_t *inputs;
701 asm_constraint_t *outputs;
702 asm_clobber_t *clobbers;
706 struct ms_try_statement_t {
707 statement_base_t base;
708 statement_t *try_statement;
709 expression_t *except_expression; /**< non-null for except, NULL for finally */
710 statement_t *final_statement;
713 struct leave_statement_t {
714 statement_base_t base;
718 statement_kind_t kind;
719 statement_base_t base;
720 return_statement_t returns;
721 compound_statement_t compound;
722 declaration_statement_t declaration;
724 switch_statement_t switchs;
725 goto_statement_t gotos;
726 case_label_statement_t case_label;
727 label_statement_t label;
728 expression_statement_t expression;
729 while_statement_t whiles;
730 do_while_statement_t do_while;
731 for_statement_t fors;
732 asm_statement_t asms;
733 ms_try_statement_t ms_try;
734 leave_statement_t leave;
737 struct translation_unit_t {
742 void *_allocate_ast(size_t size)
744 return obstack_alloc(&ast_obstack, size);
748 bool is_invalid_expression(expression_t *expression)
750 return expression->base.kind == EXPR_INVALID;
754 bool is_invalid_statement(statement_t *statement)
756 return statement->base.kind == STATEMENT_INVALID;
760 #define allocate_ast(size) _allocate_ast(size)