Lines Matching refs:e2
14 static int expr_eq(struct expr *e1, struct expr *e2);
33 struct expr *expr_alloc_two(enum expr_type type, struct expr *e1, struct expr *e2) in expr_alloc_two() argument
38 e->right.expr = e2; in expr_alloc_two()
51 struct expr *expr_alloc_and(struct expr *e1, struct expr *e2) in expr_alloc_and() argument
54 return e2; in expr_alloc_and()
55 return e2 ? expr_alloc_two(E_AND, e1, e2) : e1; in expr_alloc_and()
58 struct expr *expr_alloc_or(struct expr *e1, struct expr *e2) in expr_alloc_or() argument
61 return e2; in expr_alloc_or()
62 return e2 ? expr_alloc_two(E_OR, e1, e2) : e1; in expr_alloc_or()
139 #define e2 (*ep2) macro
144 __expr_eliminate_eq(type, &e1->left.expr, &e2); in __expr_eliminate_eq()
145 __expr_eliminate_eq(type, &e1->right.expr, &e2); in __expr_eliminate_eq()
148 if (e2->type == type) { in __expr_eliminate_eq()
149 __expr_eliminate_eq(type, &e1, &e2->left.expr); in __expr_eliminate_eq()
150 __expr_eliminate_eq(type, &e1, &e2->right.expr); in __expr_eliminate_eq()
153 if (e1->type == E_SYMBOL && e2->type == E_SYMBOL && in __expr_eliminate_eq()
154 e1->left.sym == e2->left.sym && in __expr_eliminate_eq()
157 if (!expr_eq(e1, e2)) in __expr_eliminate_eq()
160 expr_free(e1); expr_free(e2); in __expr_eliminate_eq()
164 e2 = expr_alloc_symbol(&symbol_no); in __expr_eliminate_eq()
168 e2 = expr_alloc_symbol(&symbol_yes); in __expr_eliminate_eq()
177 if (!e1 || !e2) in expr_eliminate_eq()
186 if (e1->type != e2->type) switch (e2->type) { in expr_eliminate_eq()
189 __expr_eliminate_eq(e2->type, ep1, ep2); in expr_eliminate_eq()
194 e2 = expr_eliminate_yn(e2); in expr_eliminate_eq()
198 #undef e2
200 static int expr_eq(struct expr *e1, struct expr *e2) in expr_eq() argument
204 if (e1->type != e2->type) in expr_eq()
213 return e1->left.sym == e2->left.sym && e1->right.sym == e2->right.sym; in expr_eq()
215 return e1->left.sym == e2->left.sym; in expr_eq()
217 return expr_eq(e1->left.expr, e2->left.expr); in expr_eq()
221 e2 = expr_copy(e2); in expr_eq()
223 expr_eliminate_eq(&e1, &e2); in expr_eq()
224 res = (e1->type == E_SYMBOL && e2->type == E_SYMBOL && in expr_eq()
225 e1->left.sym == e2->left.sym); in expr_eq()
227 expr_free(e2); in expr_eq()
239 expr_fprint(e2, stdout); in expr_eq()
361 static struct expr *expr_join_or(struct expr *e1, struct expr *e2) in expr_join_or() argument
366 if (expr_eq(e1, e2)) in expr_join_or()
370 if (e2->type != E_EQUAL && e2->type != E_UNEQUAL && e2->type != E_SYMBOL && e2->type != E_NOT) in expr_join_or()
379 if (e2->type == E_NOT) { in expr_join_or()
380 if (e2->left.expr->type != E_SYMBOL) in expr_join_or()
382 sym2 = e2->left.expr->left.sym; in expr_join_or()
384 sym2 = e2->left.sym; in expr_join_or()
390 if (e1->type == E_EQUAL && e2->type == E_EQUAL && in expr_join_or()
391 ((e1->right.sym == &symbol_yes && e2->right.sym == &symbol_mod) || in expr_join_or()
392 (e1->right.sym == &symbol_mod && e2->right.sym == &symbol_yes))) { in expr_join_or()
396 if (e1->type == E_EQUAL && e2->type == E_EQUAL && in expr_join_or()
397 ((e1->right.sym == &symbol_yes && e2->right.sym == &symbol_no) || in expr_join_or()
398 (e1->right.sym == &symbol_no && e2->right.sym == &symbol_yes))) { in expr_join_or()
402 if (e1->type == E_EQUAL && e2->type == E_EQUAL && in expr_join_or()
403 ((e1->right.sym == &symbol_mod && e2->right.sym == &symbol_no) || in expr_join_or()
404 (e1->right.sym == &symbol_no && e2->right.sym == &symbol_mod))) { in expr_join_or()
410 if ((e1->type == E_NOT && e1->left.expr->type == E_SYMBOL && e2->type == E_SYMBOL) || in expr_join_or()
411 (e2->type == E_NOT && e2->left.expr->type == E_SYMBOL && e1->type == E_SYMBOL)) in expr_join_or()
419 expr_fprint(e2, stdout); in expr_join_or()
425 static struct expr *expr_join_and(struct expr *e1, struct expr *e2) in expr_join_and() argument
430 if (expr_eq(e1, e2)) in expr_join_and()
434 if (e2->type != E_EQUAL && e2->type != E_UNEQUAL && e2->type != E_SYMBOL && e2->type != E_NOT) in expr_join_and()
443 if (e2->type == E_NOT) { in expr_join_and()
444 if (e2->left.expr->type != E_SYMBOL) in expr_join_and()
446 sym2 = e2->left.expr->left.sym; in expr_join_and()
448 sym2 = e2->left.sym; in expr_join_and()
454 if ((e1->type == E_SYMBOL && e2->type == E_EQUAL && e2->right.sym == &symbol_yes) || in expr_join_and()
455 (e2->type == E_SYMBOL && e1->type == E_EQUAL && e1->right.sym == &symbol_yes)) in expr_join_and()
459 if ((e1->type == E_SYMBOL && e2->type == E_UNEQUAL && e2->right.sym == &symbol_no) || in expr_join_and()
460 (e2->type == E_SYMBOL && e1->type == E_UNEQUAL && e1->right.sym == &symbol_no)) in expr_join_and()
464 if ((e1->type == E_SYMBOL && e2->type == E_UNEQUAL && e2->right.sym == &symbol_mod) || in expr_join_and()
465 (e2->type == E_SYMBOL && e1->type == E_UNEQUAL && e1->right.sym == &symbol_mod)) in expr_join_and()
470 if (e1->type == E_EQUAL && e2->type == E_UNEQUAL) { in expr_join_and()
473 if ((e2->right.sym->flags & SYMBOL_CONST) && (sym2->flags & SYMBOL_CONST)) in expr_join_and()
474 return sym2 != e2->right.sym ? expr_alloc_comp(E_EQUAL, sym1, sym2) in expr_join_and()
477 if (e1->type == E_UNEQUAL && e2->type == E_EQUAL) { in expr_join_and()
479 sym2 = e2->right.sym; in expr_join_and()
484 if (e1->type == E_UNEQUAL && e2->type == E_UNEQUAL && in expr_join_and()
485 ((e1->right.sym == &symbol_yes && e2->right.sym == &symbol_no) || in expr_join_and()
486 (e1->right.sym == &symbol_no && e2->right.sym == &symbol_yes))) in expr_join_and()
490 if (e1->type == E_UNEQUAL && e2->type == E_UNEQUAL && in expr_join_and()
491 ((e1->right.sym == &symbol_yes && e2->right.sym == &symbol_mod) || in expr_join_and()
492 (e1->right.sym == &symbol_mod && e2->right.sym == &symbol_yes))) in expr_join_and()
496 if (e1->type == E_UNEQUAL && e2->type == E_UNEQUAL && in expr_join_and()
497 ((e1->right.sym == &symbol_mod && e2->right.sym == &symbol_no) || in expr_join_and()
498 (e1->right.sym == &symbol_no && e2->right.sym == &symbol_mod))) in expr_join_and()
502 if ((e1->type == E_SYMBOL && e2->type == E_EQUAL && e2->right.sym == &symbol_mod) || in expr_join_and()
503 (e2->type == E_SYMBOL && e1->type == E_EQUAL && e1->right.sym == &symbol_mod) || in expr_join_and()
504 (e1->type == E_SYMBOL && e2->type == E_UNEQUAL && e2->right.sym == &symbol_yes) || in expr_join_and()
505 (e2->type == E_SYMBOL && e1->type == E_UNEQUAL && e1->right.sym == &symbol_yes)) in expr_join_and()
513 expr_fprint(e2, stdout); in expr_join_and()
522 #define e2 (*ep2) in expr_eliminate_dups1() macro
526 expr_eliminate_dups1(type, &e1->left.expr, &e2); in expr_eliminate_dups1()
527 expr_eliminate_dups1(type, &e1->right.expr, &e2); in expr_eliminate_dups1()
530 if (e2->type == type) { in expr_eliminate_dups1()
531 expr_eliminate_dups1(type, &e1, &e2->left.expr); in expr_eliminate_dups1()
532 expr_eliminate_dups1(type, &e1, &e2->right.expr); in expr_eliminate_dups1()
535 if (e1 == e2) in expr_eliminate_dups1()
547 tmp = expr_join_or(e1, e2); in expr_eliminate_dups1()
549 expr_free(e1); expr_free(e2); in expr_eliminate_dups1()
551 e2 = tmp; in expr_eliminate_dups1()
556 tmp = expr_join_and(e1, e2); in expr_eliminate_dups1()
558 expr_free(e1); expr_free(e2); in expr_eliminate_dups1()
560 e2 = tmp; in expr_eliminate_dups1()
568 #undef e2 in expr_eliminate_dups1()
810 struct expr *e1, *e2; in expr_trans_compare() local
821 e2 = expr_trans_compare(e->right.expr, E_EQUAL, sym); in expr_trans_compare()
823 e = expr_alloc_two(E_AND, e1, e2); in expr_trans_compare()
825 e = expr_alloc_two(E_OR, e1, e2); in expr_trans_compare()
831 e2 = expr_trans_compare(e->right.expr, E_EQUAL, sym); in expr_trans_compare()
833 e = expr_alloc_two(E_OR, e1, e2); in expr_trans_compare()
835 e = expr_alloc_two(E_AND, e1, e2); in expr_trans_compare()
1048 struct expr *expr_simplify_unmet_dep(struct expr *e1, struct expr *e2) in expr_simplify_unmet_dep() argument
1055 expr_simplify_unmet_dep(e1->left.expr, e2), in expr_simplify_unmet_dep()
1056 expr_simplify_unmet_dep(e1->right.expr, e2)); in expr_simplify_unmet_dep()
1059 e = expr_alloc_and(expr_copy(e1), expr_copy(e2)); in expr_simplify_unmet_dep()