4 #include <libfirm/firm_types.h>
13 extern struct obstack ast_obstack;
21 EXPR_WIDE_STRING_LITERAL,
39 EXPR_UNARY_NEGATE = EXPR_UNARY_FIRST,
41 EXPR_UNARY_BITWISE_NEGATE,
43 EXPR_UNARY_DEREFERENCE,
44 EXPR_UNARY_TAKE_ADDRESS,
45 EXPR_UNARY_POSTFIX_INCREMENT,
46 EXPR_UNARY_POSTFIX_DECREMENT,
47 EXPR_UNARY_PREFIX_INCREMENT,
48 EXPR_UNARY_PREFIX_DECREMENT,
50 EXPR_UNARY_CAST_IMPLICIT, /**< compiler generated cast */
51 EXPR_UNARY_ASSUME, /**< MS __assume() */
52 EXPR_UNARY_LAST = EXPR_UNARY_ASSUME,
55 EXPR_BINARY_ADD = EXPR_BINARY_FIRST,
63 EXPR_BINARY_LESSEQUAL,
65 EXPR_BINARY_GREATEREQUAL,
66 EXPR_BINARY_BITWISE_AND,
67 EXPR_BINARY_BITWISE_OR,
68 EXPR_BINARY_BITWISE_XOR,
69 EXPR_BINARY_LOGICAL_AND,
70 EXPR_BINARY_LOGICAL_OR,
71 EXPR_BINARY_SHIFTLEFT,
72 EXPR_BINARY_SHIFTRIGHT,
74 EXPR_BINARY_MUL_ASSIGN,
75 EXPR_BINARY_DIV_ASSIGN,
76 EXPR_BINARY_MOD_ASSIGN,
77 EXPR_BINARY_ADD_ASSIGN,
78 EXPR_BINARY_SUB_ASSIGN,
79 EXPR_BINARY_SHIFTLEFT_ASSIGN,
80 EXPR_BINARY_SHIFTRIGHT_ASSIGN,
81 EXPR_BINARY_BITWISE_AND_ASSIGN,
82 EXPR_BINARY_BITWISE_XOR_ASSIGN,
83 EXPR_BINARY_BITWISE_OR_ASSIGN,
86 EXPR_BINARY_BUILTIN_EXPECT,
87 EXPR_BINARY_ISGREATER,
88 EXPR_BINARY_ISGREATEREQUAL,
90 EXPR_BINARY_ISLESSEQUAL,
91 EXPR_BINARY_ISLESSGREATER,
92 EXPR_BINARY_ISUNORDERED,
93 EXPR_BINARY_LAST = EXPR_BINARY_ISUNORDERED,
96 /* convenience macros */
97 #define EXPR_BINARY_CASES \
98 case EXPR_BINARY_ADD: \
99 case EXPR_BINARY_SUB: \
100 case EXPR_BINARY_MUL: \
101 case EXPR_BINARY_DIV: \
102 case EXPR_BINARY_MOD: \
103 case EXPR_BINARY_EQUAL: \
104 case EXPR_BINARY_NOTEQUAL: \
105 case EXPR_BINARY_LESS: \
106 case EXPR_BINARY_LESSEQUAL: \
107 case EXPR_BINARY_GREATER: \
108 case EXPR_BINARY_GREATEREQUAL: \
109 case EXPR_BINARY_BITWISE_AND: \
110 case EXPR_BINARY_BITWISE_OR: \
111 case EXPR_BINARY_BITWISE_XOR: \
112 case EXPR_BINARY_LOGICAL_AND: \
113 case EXPR_BINARY_LOGICAL_OR: \
114 case EXPR_BINARY_SHIFTLEFT: \
115 case EXPR_BINARY_SHIFTRIGHT: \
116 case EXPR_BINARY_ASSIGN: \
117 case EXPR_BINARY_MUL_ASSIGN: \
118 case EXPR_BINARY_DIV_ASSIGN: \
119 case EXPR_BINARY_MOD_ASSIGN: \
120 case EXPR_BINARY_ADD_ASSIGN: \
121 case EXPR_BINARY_SUB_ASSIGN: \
122 case EXPR_BINARY_SHIFTLEFT_ASSIGN: \
123 case EXPR_BINARY_SHIFTRIGHT_ASSIGN: \
124 case EXPR_BINARY_BITWISE_AND_ASSIGN: \
125 case EXPR_BINARY_BITWISE_XOR_ASSIGN: \
126 case EXPR_BINARY_BITWISE_OR_ASSIGN: \
127 case EXPR_BINARY_COMMA: \
128 case EXPR_BINARY_BUILTIN_EXPECT: \
129 case EXPR_BINARY_ISGREATER: \
130 case EXPR_BINARY_ISGREATEREQUAL: \
131 case EXPR_BINARY_ISLESS: \
132 case EXPR_BINARY_ISLESSEQUAL: \
133 case EXPR_BINARY_ISLESSGREATER: \
134 case EXPR_BINARY_ISUNORDERED:
136 #define EXPR_UNARY_CASES \
137 case EXPR_UNARY_NEGATE: \
138 case EXPR_UNARY_PLUS: \
139 case EXPR_UNARY_BITWISE_NEGATE: \
140 case EXPR_UNARY_NOT: \
141 case EXPR_UNARY_DEREFERENCE: \
142 case EXPR_UNARY_TAKE_ADDRESS: \
143 case EXPR_UNARY_POSTFIX_INCREMENT: \
144 case EXPR_UNARY_POSTFIX_DECREMENT: \
145 case EXPR_UNARY_PREFIX_INCREMENT: \
146 case EXPR_UNARY_PREFIX_DECREMENT: \
147 case EXPR_UNARY_CAST: \
148 case EXPR_UNARY_CAST_IMPLICIT: \
149 case EXPR_UNARY_ASSUME:
152 declaration_t *declarations;
155 struct expression_base_t {
156 expression_kind_t kind;
158 source_position_t source_position;
161 struct const_expression_t {
162 expression_base_t expression;
165 long double float_value;
169 struct string_literal_expression_t {
170 expression_base_t expression;
174 struct wide_string_literal_expression_t {
175 expression_base_t expression;
179 struct builtin_symbol_expression_t {
180 expression_base_t expression;
184 struct reference_expression_t {
185 expression_base_t expression;
187 declaration_t *declaration;
190 struct call_argument_t {
191 expression_t *expression;
192 call_argument_t *next;
195 struct call_expression_t {
196 expression_base_t expression;
197 expression_t *function;
198 call_argument_t *arguments;
201 struct unary_expression_t {
202 expression_base_t expression;
206 struct binary_expression_t {
207 expression_base_t expression;
212 struct select_expression_t {
213 expression_base_t expression;
214 expression_t *compound;
217 declaration_t *compound_entry;
220 struct array_access_expression_t {
221 expression_base_t expression;
222 expression_t *array_ref;
224 bool flipped; /* index/ref was written in a 5[a] way */
227 struct sizeof_expression_t {
228 expression_base_t expression;
230 expression_t *size_expression;
233 struct alignof_expression_t {
234 expression_base_t expression;
238 struct designator_t {
240 expression_t *array_access;
244 struct offsetof_expression_t {
245 expression_base_t expression;
247 designator_t *designator;
250 struct va_start_expression_t {
251 expression_base_t expression;
253 declaration_t *parameter;
256 struct va_arg_expression_t {
257 expression_base_t expression;
261 struct conditional_expression_t {
262 expression_base_t expression;
263 expression_t *condition;
264 expression_t *true_expression;
265 expression_t *false_expression;
268 struct statement_expression_t {
269 expression_base_t expression;
270 statement_t *statement;
273 struct classify_type_expression_t {
274 expression_base_t expression;
275 expression_t *type_expression;
279 expression_kind_t kind;
280 expression_base_t base;
281 const_expression_t conste;
282 string_literal_expression_t string;
283 wide_string_literal_expression_t wide_string;
284 builtin_symbol_expression_t builtin_symbol;
285 reference_expression_t reference;
286 call_expression_t call;
287 unary_expression_t unary;
288 binary_expression_t binary;
289 select_expression_t select;
290 array_access_expression_t array_access;
291 sizeof_expression_t sizeofe;
292 offsetof_expression_t offsetofe;
293 va_start_expression_t va_starte;
294 va_arg_expression_t va_arge;
295 conditional_expression_t conditional;
296 statement_expression_t statement;
297 classify_type_expression_t classify_type;
298 alignof_expression_t alignofe;
303 STORAGE_CLASS_TYPEDEF,
304 STORAGE_CLASS_EXTERN,
305 STORAGE_CLASS_STATIC,
307 STORAGE_CLASS_REGISTER,
308 STORAGE_CLASS_ENUM_ENTRY,
309 STORAGE_CLASS_THREAD,
310 STORAGE_CLASS_THREAD_EXTERN,
311 STORAGE_CLASS_THREAD_STATIC
312 } storage_class_tag_t;
326 INITIALIZER_WIDE_STRING
327 } initializer_kind_t;
329 struct initializer_base_t {
330 initializer_kind_t kind;
333 struct initializer_value_t {
334 initializer_base_t initializer;
338 struct initializer_list_t {
339 initializer_base_t initializer;
341 initializer_t *initializers[];
344 struct initializer_string_t {
345 initializer_base_t initializer;
349 struct initializer_wide_string_t {
350 initializer_base_t initializer;
351 wide_string_t string;
354 union initializer_t {
355 initializer_kind_t kind;
356 initializer_base_t base;
357 initializer_value_t value;
358 initializer_list_t list;
359 initializer_string_t string;
360 initializer_wide_string_t wide_string;
364 DM_DLLIMPORT = (1 << 0),
365 DM_DLLEXPORT = (1 << 1),
366 DM_THREAD = (1 << 2),
368 DM_FORCEINLINE = (1 << 4),
369 DM_NOTHROW = (1 << 5),
370 DM_NORETURN = (1 << 6),
371 DM_NOINLINE = (1 << 7)
374 typedef unsigned short decl_modifiers_t;
376 struct declaration_t {
377 unsigned char namespc;
378 unsigned char storage_class;
379 decl_modifiers_t decl_modifiers;
380 unsigned int address_taken : 1;
381 unsigned int is_inline : 1;
384 source_position_t source_position;
387 statement_t *statement;
388 initializer_t *initializer;
389 expression_t *enum_value;
392 context_t *parent_context;
394 /** next declaration in a context */
396 /** next declaration with same symbol */
397 declaration_t *symbol_next;
399 /* the following fields are used in ast2firm module */
400 unsigned char declaration_kind;
402 unsigned int value_number;
413 STATEMENT_DECLARATION,
416 STATEMENT_EXPRESSION,
421 STATEMENT_CASE_LABEL,
428 struct statement_base_t {
429 statement_kind_t kind;
431 source_position_t source_position;
434 struct return_statement_t {
435 statement_base_t statement;
436 expression_t *return_value;
439 struct compound_statement_t {
440 statement_base_t statement;
441 statement_t *statements;
445 struct declaration_statement_t {
446 statement_base_t statement;
447 declaration_t *declarations_begin;
448 declaration_t *declarations_end;
451 struct if_statement_t {
452 statement_base_t statement;
453 expression_t *condition;
454 statement_t *true_statement;
455 statement_t *false_statement;
458 struct switch_statement_t {
459 statement_base_t statement;
460 expression_t *expression;
464 struct goto_statement_t {
465 statement_base_t statement;
466 declaration_t *label;
469 struct case_label_statement_t {
470 statement_base_t statement;
471 expression_t *expression;
472 statement_t *label_statement;
475 struct label_statement_t {
476 statement_base_t statement;
477 declaration_t *label;
478 statement_t *label_statement;
481 struct expression_statement_t {
482 statement_base_t statement;
483 expression_t *expression;
486 struct while_statement_t {
487 statement_base_t statement;
488 expression_t *condition;
492 struct do_while_statement_t {
493 statement_base_t statement;
494 expression_t *condition;
498 struct for_statement_t {
499 statement_base_t statement;
500 expression_t *initialisation;
501 expression_t *condition;
507 struct asm_constraint_t {
508 const char *constraints;
509 expression_t *expression;
511 asm_constraint_t *next;
514 struct asm_clobber_t {
519 struct asm_statement_t {
520 statement_base_t statement;
521 const char *asm_text;
522 asm_constraint_t *inputs;
523 asm_constraint_t *outputs;
524 asm_clobber_t *clobbers;
529 statement_kind_t kind;
530 statement_base_t base;
531 return_statement_t returns;
532 compound_statement_t compound;
533 declaration_statement_t declaration;
535 switch_statement_t switchs;
536 goto_statement_t gotos;
537 case_label_statement_t case_label;
538 label_statement_t label;
539 expression_statement_t expression;
540 while_statement_t whiles;
541 do_while_statement_t do_while;
542 for_statement_t fors;
543 asm_statement_t asms;
546 struct translation_unit_t {
551 void *_allocate_ast(size_t size)
553 return obstack_alloc(&ast_obstack, size);
556 #define allocate_ast(size) _allocate_ast(size)