306 	struct cras_expr_expression *expr;  in new_boolean_literal()  local
307 	expr = calloc(1, sizeof(struct cras_expr_expression));  in new_boolean_literal()
308 	expr->type = EXPR_TYPE_LITERAL;  in new_boolean_literal()
309 	value_set_boolean(&expr->u.literal, boolean);  in new_boolean_literal()
310 	return expr;  in new_boolean_literal()
315 	struct cras_expr_expression *expr;  in new_integer_literal()  local
316 	expr = calloc(1, sizeof(struct cras_expr_expression));  in new_integer_literal()
317 	expr->type = EXPR_TYPE_LITERAL;  in new_integer_literal()
318 	value_set_integer(&expr->u.literal, integer);  in new_integer_literal()
319 	return expr;  in new_integer_literal()
325 	struct cras_expr_expression *expr;  in new_string_literal()  local
326 	expr = calloc(1, sizeof(struct cras_expr_expression));  in new_string_literal()
327 	expr->type = EXPR_TYPE_LITERAL;  in new_string_literal()
328 	value_set_string2(&expr->u.literal, begin, end);  in new_string_literal()
329 	return expr;  in new_string_literal()
335 	struct cras_expr_expression *expr;  in new_variable()  local
336 	expr = calloc(1, sizeof(struct cras_expr_expression));  in new_variable()
337 	expr->type = EXPR_TYPE_VARIABLE;  in new_variable()
338 	expr->u.variable = copy_str(begin, end);  in new_variable()
339 	return expr;  in new_variable()
344 	struct cras_expr_expression *expr;  in new_compound_expression()  local
345 	expr = calloc(1, sizeof(struct cras_expr_expression));  in new_compound_expression()
346 	expr->type = EXPR_TYPE_COMPOUND;  in new_compound_expression()
347 	return expr;  in new_compound_expression()
350 static void add_sub_expression(struct cras_expr_expression *expr,  in add_sub_expression()  argument
353 	ARRAY_APPEND(&expr->u.children, sub);  in add_sub_expression()
413 		struct cras_expr_expression *expr = new_compound_expression();  in parse_one_expr()  local
418 			add_sub_expression(expr, next);  in parse_one_expr()
422 			cras_expr_expression_free(expr);  in parse_one_expr()
427 		return expr;  in parse_one_expr()
448 void cras_expr_expression_free(struct cras_expr_expression *expr)  in cras_expr_expression_free()  argument
450 	if (!expr)  in cras_expr_expression_free()
453 	switch (expr->type) {  in cras_expr_expression_free()
457 		cras_expr_value_free(&expr->u.literal);  in cras_expr_expression_free()
460 		free((char *)expr->u.variable);  in cras_expr_expression_free()
466 		FOR_ARRAY_ELEMENT(&expr->u.children, i, psub) {  in cras_expr_expression_free()
469 		ARRAY_FREE(&expr->u.children);  in cras_expr_expression_free()
473 	free(expr);  in cras_expr_expression_free()
476 void cras_expr_expression_eval(struct cras_expr_expression *expr,  in cras_expr_expression_eval()  argument
482 	switch (expr->type) {  in cras_expr_expression_eval()
486 		copy_value(result, &expr->u.literal);  in cras_expr_expression_eval()
491 							   expr->u.variable);  in cras_expr_expression_eval()
494 			       expr->u.variable);  in cras_expr_expression_eval()
507 		FOR_ARRAY_ELEMENT(&expr->u.children, i, psub) {  in cras_expr_expression_eval()
533 int cras_expr_expression_eval_int(struct cras_expr_expression *expr,  in cras_expr_expression_eval_int()  argument
540 	cras_expr_expression_eval(expr, env, &value);  in cras_expr_expression_eval_int()
551 int cras_expr_expression_eval_boolean(struct cras_expr_expression *expr,  in cras_expr_expression_eval_boolean()  argument
558 	cras_expr_expression_eval(expr, env, &value);  in cras_expr_expression_eval_boolean()