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use statement exprs in macros

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Michael Scire 2019-06-17 14:58:19 -07:00
parent b5f1ec02b3
commit 8e810f0618
1 changed files with 6 additions and 9 deletions
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15
include/stratosphere/results/utilities.h
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@ -13,17 +13,16 @@ extern "C" {
/// Evaluates an expression that returns a result, and returns the result if it would fail. /// Evaluates an expression that returns a result, and returns the result if it would fail.
#define R_TRY(res_expr) \ #define R_TRY(res_expr) \
{ \ ({ \
const Result _tmp_r_try_rc = res_expr; \ const Result _tmp_r_try_rc = res_expr; \
if (R_FAILED(_tmp_r_try_rc)) { \ if (R_FAILED(_tmp_r_try_rc)) { \
return _tmp_r_try_rc; \ return _tmp_r_try_rc; \
} \ } \
} \ })
do {} while (0)
/// Helpers for pattern-matching on a result expression, if the result would fail. /// Helpers for pattern-matching on a result expression, if the result would fail.
#define R_TRY_CATCH(res_expr) \ #define R_TRY_CATCH(res_expr) \
{ \ ({ \
const Result _tmp_r_try_catch_rc = res_expr; \ const Result _tmp_r_try_catch_rc = res_expr; \
if (R_FAILED(_tmp_r_try_catch_rc)) { \ if (R_FAILED(_tmp_r_try_catch_rc)) { \
if (false) if (false)
@ -52,12 +51,11 @@ extern "C" {
} else if (R_FAILED(_tmp_r_try_catch_rc)) { \ } else if (R_FAILED(_tmp_r_try_catch_rc)) { \
return _tmp_r_try_catch_rc; \ return _tmp_r_try_catch_rc; \
} \ } \
} \ })
do {} while (0)
/// Evaluates an expression that returns a result, and returns the result (after evaluating a cleanup expression) if it would fail. /// Evaluates an expression that returns a result, and returns the result (after evaluating a cleanup expression) if it would fail.
#define R_TRY_CLEANUP(res_expr, cleanup_expr) \ #define R_TRY_CLEANUP(res_expr, cleanup_expr) \
{ \ ({ \
const Result _tmp_r_try_cleanup_rc = res_expr; \ const Result _tmp_r_try_cleanup_rc = res_expr; \
if (R_FAILED(_tmp_r_try_cleanup_rc)) { \ if (R_FAILED(_tmp_r_try_cleanup_rc)) { \
do { \ do { \
@ -65,8 +63,7 @@ extern "C" {
} while (0); \ } while (0); \
return _tmp_r_try_cleanup_rc; \ return _tmp_r_try_cleanup_rc; \
} \ } \
} \ })
do {} while (0)
#ifdef __cplusplus #ifdef __cplusplus
} }