4 #include <libfirm/firm_types.h>
13 extern struct obstack ast_obstack;
21 EXPR_WIDE_STRING_LITERAL,
38 EXPR_UNARY_NEGATE = EXPR_UNARY_FIRST,
40 EXPR_UNARY_BITWISE_NEGATE,
42 EXPR_UNARY_DEREFERENCE,
43 EXPR_UNARY_TAKE_ADDRESS,
44 EXPR_UNARY_POSTFIX_INCREMENT,
45 EXPR_UNARY_POSTFIX_DECREMENT,
46 EXPR_UNARY_PREFIX_INCREMENT,
47 EXPR_UNARY_PREFIX_DECREMENT,
49 EXPR_UNARY_CAST_IMPLICIT, /* compiler generated cast */
50 EXPR_UNARY_LAST = EXPR_UNARY_CAST_IMPLICIT,
53 EXPR_BINARY_ADD = EXPR_BINARY_FIRST,
61 EXPR_BINARY_LESSEQUAL,
63 EXPR_BINARY_GREATEREQUAL,
64 EXPR_BINARY_BITWISE_AND,
65 EXPR_BINARY_BITWISE_OR,
66 EXPR_BINARY_BITWISE_XOR,
67 EXPR_BINARY_LOGICAL_AND,
68 EXPR_BINARY_LOGICAL_OR,
69 EXPR_BINARY_SHIFTLEFT,
70 EXPR_BINARY_SHIFTRIGHT,
72 EXPR_BINARY_MUL_ASSIGN,
73 EXPR_BINARY_DIV_ASSIGN,
74 EXPR_BINARY_MOD_ASSIGN,
75 EXPR_BINARY_ADD_ASSIGN,
76 EXPR_BINARY_SUB_ASSIGN,
77 EXPR_BINARY_SHIFTLEFT_ASSIGN,
78 EXPR_BINARY_SHIFTRIGHT_ASSIGN,
79 EXPR_BINARY_BITWISE_AND_ASSIGN,
80 EXPR_BINARY_BITWISE_XOR_ASSIGN,
81 EXPR_BINARY_BITWISE_OR_ASSIGN,
84 EXPR_BINARY_BUILTIN_EXPECT,
85 EXPR_BINARY_ISGREATER,
86 EXPR_BINARY_ISGREATEREQUAL,
88 EXPR_BINARY_ISLESSEQUAL,
89 EXPR_BINARY_ISLESSGREATER,
90 EXPR_BINARY_ISUNORDERED,
91 EXPR_BINARY_LAST = EXPR_BINARY_ISUNORDERED,
94 /* convenience macros */
95 #define EXPR_BINARY_CASES \
96 case EXPR_BINARY_ADD: \
97 case EXPR_BINARY_SUB: \
98 case EXPR_BINARY_MUL: \
99 case EXPR_BINARY_DIV: \
100 case EXPR_BINARY_MOD: \
101 case EXPR_BINARY_EQUAL: \
102 case EXPR_BINARY_NOTEQUAL: \
103 case EXPR_BINARY_LESS: \
104 case EXPR_BINARY_LESSEQUAL: \
105 case EXPR_BINARY_GREATER: \
106 case EXPR_BINARY_GREATEREQUAL: \
107 case EXPR_BINARY_BITWISE_AND: \
108 case EXPR_BINARY_BITWISE_OR: \
109 case EXPR_BINARY_BITWISE_XOR: \
110 case EXPR_BINARY_LOGICAL_AND: \
111 case EXPR_BINARY_LOGICAL_OR: \
112 case EXPR_BINARY_SHIFTLEFT: \
113 case EXPR_BINARY_SHIFTRIGHT: \
114 case EXPR_BINARY_ASSIGN: \
115 case EXPR_BINARY_MUL_ASSIGN: \
116 case EXPR_BINARY_DIV_ASSIGN: \
117 case EXPR_BINARY_MOD_ASSIGN: \
118 case EXPR_BINARY_ADD_ASSIGN: \
119 case EXPR_BINARY_SUB_ASSIGN: \
120 case EXPR_BINARY_SHIFTLEFT_ASSIGN: \
121 case EXPR_BINARY_SHIFTRIGHT_ASSIGN: \
122 case EXPR_BINARY_BITWISE_AND_ASSIGN: \
123 case EXPR_BINARY_BITWISE_XOR_ASSIGN: \
124 case EXPR_BINARY_BITWISE_OR_ASSIGN: \
125 case EXPR_BINARY_COMMA: \
126 case EXPR_BINARY_BUILTIN_EXPECT: \
127 case EXPR_BINARY_ISGREATER: \
128 case EXPR_BINARY_ISGREATEREQUAL: \
129 case EXPR_BINARY_ISLESS: \
130 case EXPR_BINARY_ISLESSEQUAL: \
131 case EXPR_BINARY_ISLESSGREATER: \
132 case EXPR_BINARY_ISUNORDERED:
134 #define EXPR_UNARY_CASES \
135 case EXPR_UNARY_NEGATE: \
136 case EXPR_UNARY_PLUS: \
137 case EXPR_UNARY_BITWISE_NEGATE: \
138 case EXPR_UNARY_NOT: \
139 case EXPR_UNARY_DEREFERENCE: \
140 case EXPR_UNARY_TAKE_ADDRESS: \
141 case EXPR_UNARY_POSTFIX_INCREMENT: \
142 case EXPR_UNARY_POSTFIX_DECREMENT: \
143 case EXPR_UNARY_PREFIX_INCREMENT: \
144 case EXPR_UNARY_PREFIX_DECREMENT: \
145 case EXPR_UNARY_CAST: \
146 case EXPR_UNARY_CAST_IMPLICIT:
149 declaration_t *declarations;
152 struct expression_base_t {
153 expression_type_t type;
155 source_position_t source_position;
158 struct const_expression_t {
159 expression_base_t expression;
162 long double float_value;
166 struct string_literal_expression_t {
167 expression_base_t expression;
171 struct wide_string_literal_expression_t {
172 expression_base_t expression;
176 struct builtin_symbol_expression_t {
177 expression_base_t expression;
181 struct reference_expression_t {
182 expression_base_t expression;
184 declaration_t *declaration;
187 struct call_argument_t {
188 expression_t *expression;
189 call_argument_t *next;
192 struct call_expression_t {
193 expression_base_t expression;
194 expression_t *function;
195 call_argument_t *arguments;
198 struct unary_expression_t {
199 expression_base_t expression;
203 struct binary_expression_t {
204 expression_base_t expression;
209 struct select_expression_t {
210 expression_base_t expression;
211 expression_t *compound;
214 declaration_t *compound_entry;
217 struct array_access_expression_t {
218 expression_base_t expression;
219 expression_t *array_ref;
221 bool flipped; /* index/ref was written in a 5[a] way */
224 struct sizeof_expression_t {
225 expression_base_t expression;
227 expression_t *size_expression;
230 struct designator_t {
232 expression_t *array_access;
236 struct offsetof_expression_t {
237 expression_base_t expression;
239 designator_t *designator;
242 struct va_start_expression_t {
243 expression_base_t expression;
245 declaration_t *parameter;
248 struct va_arg_expression_t {
249 expression_base_t expression;
253 struct conditional_expression_t {
254 expression_base_t expression;
255 expression_t *condition;
256 expression_t *true_expression;
257 expression_t *false_expression;
260 struct statement_expression_t {
261 expression_base_t expression;
262 statement_t *statement;
265 struct classify_type_expression_t {
266 expression_base_t expression;
267 expression_t *type_expression;
271 expression_type_t type;
272 expression_base_t base;
273 const_expression_t conste;
274 string_literal_expression_t string;
275 wide_string_literal_expression_t wide_string;
276 builtin_symbol_expression_t builtin_symbol;
277 reference_expression_t reference;
278 call_expression_t call;
279 unary_expression_t unary;
280 binary_expression_t binary;
281 select_expression_t select;
282 array_access_expression_t array_access;
283 sizeof_expression_t sizeofe;
284 offsetof_expression_t offsetofe;
285 va_start_expression_t va_starte;
286 va_arg_expression_t va_arge;
287 conditional_expression_t conditional;
288 statement_expression_t statement;
289 classify_type_expression_t classify_type;
294 STORAGE_CLASS_TYPEDEF,
295 STORAGE_CLASS_EXTERN,
296 STORAGE_CLASS_STATIC,
298 STORAGE_CLASS_REGISTER,
299 STORAGE_CLASS_ENUM_ENTRY,
300 STORAGE_CLASS_THREAD,
301 STORAGE_CLASS_THREAD_EXTERN,
302 STORAGE_CLASS_THREAD_STATIC
303 } storage_class_tag_t;
317 INITIALIZER_WIDE_STRING
318 } initializer_type_t;
320 struct initializer_base_t {
321 initializer_type_t type;
324 struct initializer_value_t {
325 initializer_base_t initializer;
329 struct initializer_list_t {
330 initializer_base_t initializer;
332 initializer_t *initializers[];
335 struct initializer_string_t {
336 initializer_base_t initializer;
340 struct initializer_wide_string_t {
341 initializer_base_t initializer;
342 wide_string_t string;
345 union initializer_t {
346 initializer_type_t type;
347 initializer_base_t base;
348 initializer_value_t value;
349 initializer_list_t list;
350 initializer_string_t string;
351 initializer_wide_string_t wide_string;
355 DM_DLLIMPORT = (1 << 0),
356 DM_DLLEXPORT = (1 << 1),
357 DM_THREAD = (1 << 2),
359 DM_FORCEINLINE = (1 << 4),
360 DM_NOTHROW = (1 << 5),
361 DM_NORETURN = (1 << 6),
362 DM_NOINLINE = (1 << 7)
365 typedef unsigned short decl_modifiers_t;
367 struct declaration_t {
368 unsigned char namespc;
369 unsigned char storage_class;
370 decl_modifiers_t decl_modifiers;
371 unsigned int address_taken : 1;
372 unsigned int is_inline : 1;
375 source_position_t source_position;
378 statement_t *statement;
379 initializer_t *initializer;
380 expression_t *enum_value;
383 context_t *parent_context;
385 /** next declaration in a context */
387 /** next declaration with same symbol */
388 declaration_t *symbol_next;
390 unsigned char declaration_type; /* used in ast2firm module */
392 unsigned int value_number; /* used in ast2firm module */
393 ir_entity *entity; /* used in ast2firm module */
394 ir_node *block; /* used in ast2firm module */
395 tarval *enum_val; /* used in ast2firm module */
403 STATEMENT_DECLARATION,
406 STATEMENT_EXPRESSION,
411 STATEMENT_CASE_LABEL,
418 struct statement_base_t {
419 statement_type_t type;
421 source_position_t source_position;
424 struct return_statement_t {
425 statement_base_t statement;
426 expression_t *return_value;
429 struct compound_statement_t {
430 statement_base_t statement;
431 statement_t *statements;
435 struct declaration_statement_t {
436 statement_base_t statement;
437 declaration_t *declarations_begin;
438 declaration_t *declarations_end;
441 struct if_statement_t {
442 statement_base_t statement;
443 expression_t *condition;
444 statement_t *true_statement;
445 statement_t *false_statement;
448 struct switch_statement_t {
449 statement_base_t statement;
450 expression_t *expression;
454 struct goto_statement_t {
455 statement_base_t statement;
456 declaration_t *label;
459 struct case_label_statement_t {
460 statement_base_t statement;
461 expression_t *expression;
462 statement_t *label_statement;
465 struct label_statement_t {
466 statement_base_t statement;
467 declaration_t *label;
468 statement_t *label_statement;
471 struct expression_statement_t {
472 statement_base_t statement;
473 expression_t *expression;
476 struct while_statement_t {
477 statement_base_t statement;
478 expression_t *condition;
482 struct do_while_statement_t {
483 statement_base_t statement;
484 expression_t *condition;
488 struct for_statement_t {
489 statement_base_t statement;
490 expression_t *initialisation;
491 expression_t *condition;
497 struct asm_constraint_t {
498 const char *constraints;
499 expression_t *expression;
501 asm_constraint_t *next;
504 struct asm_clobber_t {
509 struct asm_statement_t {
510 statement_base_t statement;
511 const char *asm_text;
512 asm_constraint_t *inputs;
513 asm_constraint_t *outputs;
514 asm_clobber_t *clobbers;
519 statement_type_t type;
520 statement_base_t base;
521 return_statement_t returns;
522 compound_statement_t compound;
523 declaration_statement_t declaration;
525 switch_statement_t switchs;
526 goto_statement_t gotos;
527 case_label_statement_t case_label;
528 label_statement_t label;
529 expression_statement_t expression;
530 while_statement_t whiles;
531 do_while_statement_t do_while;
532 for_statement_t fors;
533 asm_statement_t asms;
536 struct translation_unit_t {
541 void *_allocate_ast(size_t size)
543 return obstack_alloc(&ast_obstack, size);
546 #define allocate_ast(size) _allocate_ast(size)