src/regex/regcomp.c

209 	tre_catenation_t *cat;
213 	cat = tre_mem_calloc(mem, sizeof *cat);
214 	node = tre_ast_new_node(mem, CATENATION, cat);
217 	cat->left = left;
218 	cat->right = right;
1358 		tre_catenation_t *cat = node->obj;
1359 		tre_ast_node_t *left = cat->left;
1360 		tre_ast_node_t *right = cat->right;
1765 		tre_catenation_t *cat = node->obj;
1767 		*result = tre_ast_new_catenation(mem, cat->left, cat->right);
1778 		STACK_PUSHX(stack, voidptr, cat->right);
1782 		STACK_PUSHX(stack, voidptr, cat->left);
1870 		tre_catenation_t *cat = node->obj;
1871 		STACK_PUSHX(stack, voidptr, cat->right);
1873 		STACK_PUSHX(stack, voidptr, cat->left);
2125   tre_catenation_t *cat;
2194 	  cat = (tre_catenation_t *)node->obj;
2195 	  assert(cat->left->nullable);
2196 	  assert(cat->right->nullable);
2197 	  STACK_PUSHX(stack, voidptr, cat->left);
2198 	  STACK_PUSHX(stack, voidptr, cat->right);
2365 	    tre_catenation_t *cat = node->obj;
2366 	    node->nullable = cat->left->nullable && cat->right->nullable;
2369 	    if (cat->left->nullable)
2374 		status = tre_match_empty(stack, cat->left,
2386 		status = tre_match_empty(stack, cat->left, tags,
2394 		  tre_set_union(mem, cat->right->firstpos, cat->left->firstpos,
2402 		node->firstpos = cat->left->firstpos;
2406 	    if (cat->right->nullable)
2411 		status = tre_match_empty(stack, cat->right,
2423 		status = tre_match_empty(stack, cat->right, tags,
2431 		  tre_set_union(mem, cat->left->lastpos, cat->right->lastpos,
2439 		node->lastpos = cat->right->lastpos;
2614   tre_catenation_t *cat;
2632       cat = (tre_catenation_t *)node->obj;
2633       /* Add a transition from each position in cat->left->lastpos
2634 	 to each position in cat->right->firstpos. */
2635       errcode = tre_make_trans(cat->left->lastpos, cat->right->firstpos,
2639       errcode = tre_ast_to_tnfa(cat->left, transitions, counts, offs);
2642       errcode = tre_ast_to_tnfa(cat->right, transitions, counts, offs);