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added a new method modifier #lenient that applies to a primitive method. when set, it turns soft failure to error return

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hyunghwan.chung
2017-05-07 16:45:27 +00:00
parent f45cde7ba7
commit 937895ef59
8 changed files with 90 additions and 63 deletions
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17
moo/lib/moo.h
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@ -586,7 +586,7 @@ struct moo_method_t
#endif
/* The preamble field is composed of:
* 3-bit flag
* 4-bit flag
* 5-bit code (0 to 31)
* 16-bit index
*
@ -607,11 +607,11 @@ struct moo_method_t
* 13 - ensure block
*/
/* NOTE: changing preamble code bit structure requires changes to CompiledMethod>>preambleCode */
#define MOO_METHOD_MAKE_PREAMBLE(code,index,flags) ((((moo_ooi_t)index) << 8) | ((moo_ooi_t)code << 3) | flags)
#define MOO_METHOD_GET_PREAMBLE_CODE(preamble) ((((moo_ooi_t)preamble) & 0xFF) >> 3)
#define MOO_METHOD_GET_PREAMBLE_INDEX(preamble) (((moo_ooi_t)preamble) >> 8)
#define MOO_METHOD_GET_PREAMBLE_FLAGS(preamble) (((moo_ooi_t)preamble) & 0x7)
/* [NOTE] changing preamble code bit structure requires changes to CompiledMethod>>preambleCode */
#define MOO_METHOD_MAKE_PREAMBLE(code,index,flags) ((((moo_ooi_t)index) << 9) | ((moo_ooi_t)code << 4) | flags)
#define MOO_METHOD_GET_PREAMBLE_CODE(preamble) ((((moo_ooi_t)preamble) >> 4) & 0x1F)
#define MOO_METHOD_GET_PREAMBLE_INDEX(preamble) (((moo_ooi_t)preamble) >> 9)
#define MOO_METHOD_GET_PREAMBLE_FLAGS(preamble) (((moo_ooi_t)preamble) & 0xF)
/* preamble codes */
#define MOO_METHOD_PREAMBLE_NONE 0
@ -636,9 +636,10 @@ struct moo_method_t
#define MOO_OOI_IN_METHOD_PREAMBLE_INDEX_RANGE(num) ((num) >= MOO_METHOD_PREAMBLE_INDEX_MIN && (num) <= MOO_METHOD_PREAMBLE_INDEX_MAX)
/* preamble flags */
#define MOO_METHOD_PREAMBLE_FLAG_VARIADIC (1 << 0)
#define MOO_METHOD_PREAMBLE_FLAG_LIBERAL (1 << 1)
#define MOO_METHOD_PREAMBLE_FLAG_VARIADIC (1 << 0) /* allows variable arguments. but all named paramenters must be passed in */
#define MOO_METHOD_PREAMBLE_FLAG_LIBERAL (1 << 1) /* not all named parameters need to get passed in */
#define MOO_METHOD_PREAMBLE_FLAG_DUAL (1 << 2)
#define MOO_METHOD_PREAMBLE_FLAG_LENIENT (1 << 3) /* lenient primitive method - no exception upon failure. return an error instead */
/* NOTE: if you change the number of instance variables for moo_context_t,
* you need to change the defintion of BlockContext and MethodContext.