4 #include <libfirm/firm_types.h>
13 extern struct obstack ast_obstack;
21 EXPR_WIDE_STRING_LITERAL,
33 EXPR_BUILTIN_CONSTANT_P,
34 EXPR_BUILTIN_PREFETCH,
41 EXPR_UNARY_NEGATE = EXPR_UNARY_FIRST,
43 EXPR_UNARY_BITWISE_NEGATE,
45 EXPR_UNARY_DEREFERENCE,
46 EXPR_UNARY_TAKE_ADDRESS,
47 EXPR_UNARY_POSTFIX_INCREMENT,
48 EXPR_UNARY_POSTFIX_DECREMENT,
49 EXPR_UNARY_PREFIX_INCREMENT,
50 EXPR_UNARY_PREFIX_DECREMENT,
52 EXPR_UNARY_CAST_IMPLICIT, /**< compiler generated cast */
53 EXPR_UNARY_ASSUME, /**< MS __assume() */
54 EXPR_UNARY_BITFIELD_EXTRACT,
55 EXPR_UNARY_LAST = EXPR_UNARY_BITFIELD_EXTRACT,
58 EXPR_BINARY_ADD = EXPR_BINARY_FIRST,
66 EXPR_BINARY_LESSEQUAL,
68 EXPR_BINARY_GREATEREQUAL,
69 EXPR_BINARY_BITWISE_AND,
70 EXPR_BINARY_BITWISE_OR,
71 EXPR_BINARY_BITWISE_XOR,
72 EXPR_BINARY_LOGICAL_AND,
73 EXPR_BINARY_LOGICAL_OR,
74 EXPR_BINARY_SHIFTLEFT,
75 EXPR_BINARY_SHIFTRIGHT,
77 EXPR_BINARY_MUL_ASSIGN,
78 EXPR_BINARY_DIV_ASSIGN,
79 EXPR_BINARY_MOD_ASSIGN,
80 EXPR_BINARY_ADD_ASSIGN,
81 EXPR_BINARY_SUB_ASSIGN,
82 EXPR_BINARY_SHIFTLEFT_ASSIGN,
83 EXPR_BINARY_SHIFTRIGHT_ASSIGN,
84 EXPR_BINARY_BITWISE_AND_ASSIGN,
85 EXPR_BINARY_BITWISE_XOR_ASSIGN,
86 EXPR_BINARY_BITWISE_OR_ASSIGN,
89 EXPR_BINARY_BUILTIN_EXPECT,
90 EXPR_BINARY_ISGREATER,
91 EXPR_BINARY_ISGREATEREQUAL,
93 EXPR_BINARY_ISLESSEQUAL,
94 EXPR_BINARY_ISLESSGREATER,
95 EXPR_BINARY_ISUNORDERED,
96 EXPR_BINARY_LAST = EXPR_BINARY_ISUNORDERED,
99 /* convenience macros */
100 #define EXPR_BINARY_CASES \
101 case EXPR_BINARY_ADD: \
102 case EXPR_BINARY_SUB: \
103 case EXPR_BINARY_MUL: \
104 case EXPR_BINARY_DIV: \
105 case EXPR_BINARY_MOD: \
106 case EXPR_BINARY_EQUAL: \
107 case EXPR_BINARY_NOTEQUAL: \
108 case EXPR_BINARY_LESS: \
109 case EXPR_BINARY_LESSEQUAL: \
110 case EXPR_BINARY_GREATER: \
111 case EXPR_BINARY_GREATEREQUAL: \
112 case EXPR_BINARY_BITWISE_AND: \
113 case EXPR_BINARY_BITWISE_OR: \
114 case EXPR_BINARY_BITWISE_XOR: \
115 case EXPR_BINARY_LOGICAL_AND: \
116 case EXPR_BINARY_LOGICAL_OR: \
117 case EXPR_BINARY_SHIFTLEFT: \
118 case EXPR_BINARY_SHIFTRIGHT: \
119 case EXPR_BINARY_ASSIGN: \
120 case EXPR_BINARY_MUL_ASSIGN: \
121 case EXPR_BINARY_DIV_ASSIGN: \
122 case EXPR_BINARY_MOD_ASSIGN: \
123 case EXPR_BINARY_ADD_ASSIGN: \
124 case EXPR_BINARY_SUB_ASSIGN: \
125 case EXPR_BINARY_SHIFTLEFT_ASSIGN: \
126 case EXPR_BINARY_SHIFTRIGHT_ASSIGN: \
127 case EXPR_BINARY_BITWISE_AND_ASSIGN: \
128 case EXPR_BINARY_BITWISE_XOR_ASSIGN: \
129 case EXPR_BINARY_BITWISE_OR_ASSIGN: \
130 case EXPR_BINARY_COMMA: \
131 case EXPR_BINARY_BUILTIN_EXPECT: \
132 case EXPR_BINARY_ISGREATER: \
133 case EXPR_BINARY_ISGREATEREQUAL: \
134 case EXPR_BINARY_ISLESS: \
135 case EXPR_BINARY_ISLESSEQUAL: \
136 case EXPR_BINARY_ISLESSGREATER: \
137 case EXPR_BINARY_ISUNORDERED:
139 #define EXPR_UNARY_CASES \
140 case EXPR_UNARY_NEGATE: \
141 case EXPR_UNARY_PLUS: \
142 case EXPR_UNARY_BITWISE_NEGATE: \
143 case EXPR_UNARY_NOT: \
144 case EXPR_UNARY_DEREFERENCE: \
145 case EXPR_UNARY_TAKE_ADDRESS: \
146 case EXPR_UNARY_POSTFIX_INCREMENT: \
147 case EXPR_UNARY_POSTFIX_DECREMENT: \
148 case EXPR_UNARY_PREFIX_INCREMENT: \
149 case EXPR_UNARY_PREFIX_DECREMENT: \
150 case EXPR_UNARY_CAST: \
151 case EXPR_UNARY_CAST_IMPLICIT: \
152 case EXPR_UNARY_ASSUME: \
153 case EXPR_UNARY_BITFIELD_EXTRACT:
156 declaration_t *declarations; /**< List of declarations in this context. */
159 struct expression_base_t {
160 expression_kind_t kind;
162 source_position_t source_position;
165 struct const_expression_t {
166 expression_base_t expression;
169 long double float_value;
173 struct string_literal_expression_t {
174 expression_base_t expression;
178 struct wide_string_literal_expression_t {
179 expression_base_t expression;
183 struct builtin_symbol_expression_t {
184 expression_base_t expression;
188 struct builtin_constant_expression_t {
189 expression_base_t expression;
193 struct builtin_prefetch_expression_t {
194 expression_base_t expression;
197 expression_t *locality;
200 struct reference_expression_t {
201 expression_base_t expression;
203 declaration_t *declaration;
206 struct call_argument_t {
207 expression_t *expression;
208 call_argument_t *next;
211 struct call_expression_t {
212 expression_base_t expression;
213 expression_t *function;
214 call_argument_t *arguments;
217 struct unary_expression_t {
218 expression_base_t expression;
222 struct binary_expression_t {
223 expression_base_t expression;
228 struct select_expression_t {
229 expression_base_t expression;
230 expression_t *compound;
233 declaration_t *compound_entry;
236 struct array_access_expression_t {
237 expression_base_t expression;
238 expression_t *array_ref;
240 bool flipped; /* index/ref was written in a 5[a] way */
243 struct sizeof_expression_t {
244 expression_base_t expression;
246 expression_t *size_expression;
249 struct alignof_expression_t {
250 expression_base_t expression;
254 struct designator_t {
256 expression_t *array_access;
260 struct offsetof_expression_t {
261 expression_base_t expression;
263 designator_t *designator;
266 struct va_start_expression_t {
267 expression_base_t expression;
269 declaration_t *parameter;
272 struct va_arg_expression_t {
273 expression_base_t expression;
277 struct conditional_expression_t {
278 expression_base_t expression;
279 expression_t *condition;
280 expression_t *true_expression;
281 expression_t *false_expression;
284 struct statement_expression_t {
285 expression_base_t expression;
286 statement_t *statement;
289 struct classify_type_expression_t {
290 expression_base_t expression;
291 expression_t *type_expression;
295 expression_kind_t kind;
296 expression_base_t base;
297 const_expression_t conste;
298 string_literal_expression_t string;
299 wide_string_literal_expression_t wide_string;
300 builtin_symbol_expression_t builtin_symbol;
301 builtin_constant_expression_t builtin_constant;
302 builtin_prefetch_expression_t builtin_prefetch;
303 reference_expression_t reference;
304 call_expression_t call;
305 unary_expression_t unary;
306 binary_expression_t binary;
307 select_expression_t select;
308 array_access_expression_t array_access;
309 sizeof_expression_t sizeofe;
310 offsetof_expression_t offsetofe;
311 va_start_expression_t va_starte;
312 va_arg_expression_t va_arge;
313 conditional_expression_t conditional;
314 statement_expression_t statement;
315 classify_type_expression_t classify_type;
316 alignof_expression_t alignofe;
321 STORAGE_CLASS_TYPEDEF,
322 STORAGE_CLASS_EXTERN,
323 STORAGE_CLASS_STATIC,
325 STORAGE_CLASS_REGISTER,
326 STORAGE_CLASS_ENUM_ENTRY,
327 STORAGE_CLASS_THREAD,
328 STORAGE_CLASS_THREAD_EXTERN,
329 STORAGE_CLASS_THREAD_STATIC
330 } storage_class_tag_t;
344 INITIALIZER_WIDE_STRING
345 } initializer_kind_t;
347 struct initializer_base_t {
348 initializer_kind_t kind;
351 struct initializer_value_t {
352 initializer_base_t initializer;
356 struct initializer_list_t {
357 initializer_base_t initializer;
359 initializer_t *initializers[];
362 struct initializer_string_t {
363 initializer_base_t initializer;
367 struct initializer_wide_string_t {
368 initializer_base_t initializer;
369 wide_string_t string;
372 union initializer_t {
373 initializer_kind_t kind;
374 initializer_base_t base;
375 initializer_value_t value;
376 initializer_list_t list;
377 initializer_string_t string;
378 initializer_wide_string_t wide_string;
382 DM_DLLIMPORT = (1 << 0),
383 DM_DLLEXPORT = (1 << 1),
384 DM_THREAD = (1 << 2),
386 DM_FORCEINLINE = (1 << 4),
387 DM_NOTHROW = (1 << 5),
388 DM_NORETURN = (1 << 6),
389 DM_NOINLINE = (1 << 7)
392 typedef unsigned short decl_modifiers_t;
394 struct declaration_t {
395 unsigned char namespc;
396 unsigned char storage_class;
397 decl_modifiers_t modifiers;
398 unsigned int address_taken : 1;
399 unsigned int is_inline : 1;
402 source_position_t source_position;
405 statement_t *statement;
406 initializer_t *initializer;
407 expression_t *enum_value;
410 context_t *parent_context;
412 /** next declaration in a context */
414 /** next declaration with same symbol */
415 declaration_t *symbol_next;
417 /* the following fields are used in ast2firm module */
418 unsigned char declaration_kind;
420 unsigned int value_number;
431 STATEMENT_DECLARATION,
434 STATEMENT_EXPRESSION,
439 STATEMENT_CASE_LABEL,
446 struct statement_base_t {
447 statement_kind_t kind;
449 source_position_t source_position;
452 struct return_statement_t {
453 statement_base_t statement;
454 expression_t *return_value;
457 struct compound_statement_t {
458 statement_base_t statement;
459 statement_t *statements;
463 struct declaration_statement_t {
464 statement_base_t statement;
465 declaration_t *declarations_begin;
466 declaration_t *declarations_end;
469 struct if_statement_t {
470 statement_base_t statement;
471 expression_t *condition;
472 statement_t *true_statement;
473 statement_t *false_statement;
476 struct switch_statement_t {
477 statement_base_t statement;
478 expression_t *expression;
482 struct goto_statement_t {
483 statement_base_t statement;
484 declaration_t *label;
487 struct case_label_statement_t {
488 statement_base_t statement;
489 expression_t *expression;
490 statement_t *label_statement;
493 struct label_statement_t {
494 statement_base_t statement;
495 declaration_t *label;
496 statement_t *label_statement;
499 struct expression_statement_t {
500 statement_base_t statement;
501 expression_t *expression;
504 struct while_statement_t {
505 statement_base_t statement;
506 expression_t *condition;
510 struct do_while_statement_t {
511 statement_base_t statement;
512 expression_t *condition;
516 struct for_statement_t {
517 statement_base_t statement;
518 expression_t *initialisation;
519 expression_t *condition;
525 struct asm_constraint_t {
526 const char *constraints;
527 expression_t *expression;
529 asm_constraint_t *next;
532 struct asm_clobber_t {
537 struct asm_statement_t {
538 statement_base_t statement;
539 const char *asm_text;
540 asm_constraint_t *inputs;
541 asm_constraint_t *outputs;
542 asm_clobber_t *clobbers;
547 statement_kind_t kind;
548 statement_base_t base;
549 return_statement_t returns;
550 compound_statement_t compound;
551 declaration_statement_t declaration;
553 switch_statement_t switchs;
554 goto_statement_t gotos;
555 case_label_statement_t case_label;
556 label_statement_t label;
557 expression_statement_t expression;
558 while_statement_t whiles;
559 do_while_statement_t do_while;
560 for_statement_t fors;
561 asm_statement_t asms;
564 struct translation_unit_t {
569 void *_allocate_ast(size_t size)
571 return obstack_alloc(&ast_obstack, size);
574 #define allocate_ast(size) _allocate_ast(size)