Rename generated internal functions

to avoid "poluting" userspace naming.
This commit is contained in:
Patrick Pelissier committed 2021-02-13 11:45:05 +01:00
1 parent 25497bd96f
commit 517da1b999
25 files changed
+2414 -2416

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+78 -80
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@@ -38,7 +38,7 @@
USAGE: ARRAY_DEF_AS(name, name_t, it_t, type [, oplist_of_the_type]) */
#define ARRAY_DEF_AS(name, name_t, it_t, ...) \
M_BEGIN_PROTECTED_CODE \
ARRAYI_DEF_P1(M_IF_NARGS_EQ1(__VA_ARGS__) \
M_ARRA4_DEF_P1(M_IF_NARGS_EQ1(__VA_ARGS__) \
((name, __VA_ARGS__, M_GLOBAL_OPLIST_OR_DEF(__VA_ARGS__)(), name_t, it_t ), \
(name, __VA_ARGS__, name_t, it_t ))) \
M_END_PROTECTED_CODE
@@ -48,7 +48,7 @@
If no oplist is given it is assumed to be M_DEFAULT_OPLIST
USAGE: ARRAY_OPLIST(name[, oplist of the type]) */
#define ARRAY_OPLIST(...) \
ARRAYI_OPLIST_P1(M_IF_NARGS_EQ1(__VA_ARGS__) \
M_ARRA4_OPLIST_P1(M_IF_NARGS_EQ1(__VA_ARGS__) \
((__VA_ARGS__, M_DEFAULT_OPLIST), \
(__VA_ARGS__ )))
@@ -60,20 +60,20 @@
/* Deferred evaluation for the oplist definition,
so that all arguments are evaluated before further expansion */
#define ARRAYI_OPLIST_P1(arg) ARRAYI_OPLIST_P2 arg
#define M_ARRA4_OPLIST_P1(arg) M_ARRA4_OPLIST_P2 arg
/* Validation of the given oplist */
#define ARRAYI_OPLIST_P2(name, oplist) \
M_IF_OPLIST(oplist)(ARRAYI_OPLIST_P3, ARRAYI_OPLIST_FAILURE)(name, oplist)
#define M_ARRA4_OPLIST_P2(name, oplist) \
M_IF_OPLIST(oplist)(M_ARRA4_OPLIST_P3, M_ARRA4_OPLIST_FAILURE)(name, oplist)
/* Prepare a clean compilation failure */
#define ARRAYI_OPLIST_FAILURE(name, oplist) \
#define M_ARRA4_OPLIST_FAILURE(name, oplist) \
((M_LIB_ERROR(ARGUMENT_OF_ARRAY_OPLIST_IS_NOT_AN_OPLIST, name, oplist)))
/* OPLIST definition of a dynamic array */
/* FIXME: Do we want to export some methods as they are slow and
are not fit to be used for building other methods (like _it_remove)? */
#define ARRAYI_OPLIST_P3(name, oplist) \
#define M_ARRA4_OPLIST_P3(name, oplist) \
(INIT(M_C(name, _init)) \
,M_IF_METHOD2(INIT_SET,SET, oplist)(INIT_SET(M_C(name, _init_set)),) \
,M_IF_METHOD(INIT_SET, oplist)(INIT_WITH(API_1(M_INIT_VAI)),) \
@@ -129,7 +129,7 @@
)
/* Define the internal contract of an array */
#define ARRAYI_CONTRACT(a) do { \
#define M_ARRA4_CONTRACT(a) do { \
M_ASSERT (a != NULL); \
M_ASSERT (a->size <= a->alloc); \
M_ASSERT (a->size == 0 || a->ptr != NULL); \
@@ -137,14 +137,14 @@
/* Deferred evaluation for the array definition,
so that all arguments are evaluated before further expansion */
#define ARRAYI_DEF_P1(arg) ARRAYI_DEF_P2 arg
#define M_ARRA4_DEF_P1(arg) M_ARRA4_DEF_P2 arg
/* Validate the oplist before going further */
#define ARRAYI_DEF_P2(name, type, oplist, array_t, it_t) \
M_IF_OPLIST(oplist)(ARRAYI_DEF_P3, ARRAYI_DEF_FAILURE)(name, type, oplist, array_t, it_t)
#define M_ARRA4_DEF_P2(name, type, oplist, array_t, it_t) \
M_IF_OPLIST(oplist)(M_ARRA4_DEF_P3, M_ARRA4_DEF_FAILURE)(name, type, oplist, array_t, it_t)
/* Stop processing with a compilation failure */
#define ARRAYI_DEF_FAILURE(name, type, oplist, array_t, it_t) \
#define M_ARRA4_DEF_FAILURE(name, type, oplist, array_t, it_t) \
M_STATIC_FAILURE(M_LIB_NOT_AN_OPLIST, "(ARRAY_DEF): the given argument is not a valid oplist: " #oplist)
/* Internal definition:
@@ -154,7 +154,7 @@
- array_t: alias for the type of the array
- it_t: alias for the iterator of the array
*/
#define ARRAYI_DEF_P3(name, type, oplist, array_t, it_t) \
#define M_ARRA4_DEF_P3(name, type, oplist, array_t, it_t) \
\
/* Define a dynamic array */ \
typedef struct M_C(name, _s) { \
@@ -186,23 +186,23 @@
v->size = 0; \
v->alloc = 0; \
v->ptr = NULL; \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
} \
\
static inline void \
M_C(name, _clean)(array_t v) \
{ \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
for(size_t i = 0; i < v->size; i++) \
M_CALL_CLEAR(oplist, v->ptr[i]); \
v->size = 0; \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
} \
\
static inline void \
M_C(name, _clear)(array_t v) \
{ \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
M_C(name, _clean)(v); \
M_CALL_FREE(oplist, v->ptr); \
v->alloc = 0; \
@@ -213,8 +213,8 @@
static inline void \
M_C(name, _set)(array_t d, const array_t s) \
{ \
ARRAYI_CONTRACT(d); \
ARRAYI_CONTRACT(s); \
M_ARRA4_CONTRACT(d); \
M_ARRA4_CONTRACT(s); \
if (M_UNLIKELY (d == s)) return; \
if (s->size > d->alloc) { \
const size_t alloc = s->size; \
@@ -235,7 +235,7 @@
for( ; i < d->size; i++) \
M_CALL_CLEAR(oplist, d->ptr[i]); \
d->size = s->size; \
ARRAYI_CONTRACT(d); \
M_ARRA4_CONTRACT(d); \
} \
\
static inline void \
@@ -251,13 +251,13 @@
M_C(name, _init_move)(array_t d, array_t s) \
{ \
M_ASSERT (d != s); \
ARRAYI_CONTRACT(s); \
M_ARRA4_CONTRACT(s); \
d->size = s->size; \
d->alloc = s->alloc; \
d->ptr = s->ptr; \
s->alloc = 0; \
s->ptr = NULL; \
ARRAYI_CONTRACT(d); \
M_ARRA4_CONTRACT(d); \
} \
\
static inline void \
@@ -272,7 +272,7 @@
static inline void \
M_C(name, _set_at)(array_t v, size_t i, type const x) \
{ \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
M_ASSERT(v->size > 0 && v->ptr != NULL); \
M_ASSERT_INDEX(i, v->size); \
M_CALL_SET(oplist, v->ptr[i], x); \
@@ -282,7 +282,7 @@
static inline type const * \
M_C(name, _back)(array_t v) \
{ \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
M_ASSERT(v->ptr != NULL); \
M_ASSERT_INDEX(0, v->size); \
return M_CONST_CAST(type, &v->ptr[v->size-1]); \
@@ -291,7 +291,7 @@
static inline type * \
M_C(name, _push_raw)(array_t v) \
{ \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
if (M_UNLIKELY (v->size >= v->alloc)) { \
M_ASSERT(v->size == v->alloc); \
size_t alloc = M_CALL_INC_ALLOC(oplist, v->alloc); \
@@ -311,7 +311,7 @@
M_ASSERT(v->ptr != NULL); \
type *ret = &v->ptr[v->size]; \
v->size++; \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
M_ASSUME(ret != NULL); \
return ret; \
} \
@@ -355,7 +355,7 @@
static inline void \
M_C(name, _push_at)(array_t v, size_t key, type const x) \
{ \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
M_ASSERT_INDEX(key, v->size+1); \
if (M_UNLIKELY (v->size >= v->alloc) ) { \
M_ASSERT(v->size == v->alloc); \
@@ -377,7 +377,7 @@
memmove(&v->ptr[key+1], &v->ptr[key], (v->size-key)*sizeof(type)); \
v->size++; \
M_CALL_INIT_SET(oplist, v->ptr[key], x); \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
} \
, /* No INIT_SET */ ) \
\
@@ -385,7 +385,7 @@
static inline void \
M_C(name, _resize)(array_t v, size_t size) \
{ \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
if (v->size > size) { \
/* Decrease size of array */ \
for(size_t i = size ; i < v->size; i++) \
@@ -407,14 +407,14 @@
M_CALL_INIT(oplist, v->ptr[i]); \
v->size = size; \
} \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
} \
, /* No INIT */ ) \
\
static inline void \
M_C(name, _reserve)(array_t v, size_t alloc) \
{ \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
/* NOTE: Reserve below needed size to perform a shrink to fit */ \
if (v->size > alloc) { \
alloc = v->size; \
@@ -432,14 +432,14 @@
v->ptr = ptr; \
v->alloc = alloc; \
} \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
} \
\
M_IF_METHOD(INIT, oplist)( \
static inline type * \
M_C(name, _get_at)(array_t v, size_t idx) \
{ \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
const size_t size = idx + 1; \
/* resize if needed */ \
if (v->size <= size) { \
@@ -464,7 +464,7 @@
v->size = size; \
} \
M_ASSERT (idx < v->size); \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
return &v->ptr[idx]; \
} \
, /* No INIT */) \
@@ -473,7 +473,7 @@
static inline void \
M_C(name, _pop_back)(type *dest, array_t v) \
{ \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
M_ASSERT (v->ptr != NULL); \
M_ASSERT_INDEX(0, v->size); \
v->size--; \
@@ -482,7 +482,7 @@
} else { \
M_CALL_CLEAR(oplist, v->ptr[v->size]); \
} \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
} \
, /* SET | INIT_MOVE */ ) \
\
@@ -490,13 +490,13 @@
static inline void \
M_C(name, _pop_move)(type *dest, array_t v) \
{ \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
M_ASSERT (v->ptr != NULL); \
M_ASSERT_INDEX(0, v->size); \
M_ASSERT (dest != NULL); \
v->size--; \
M_DO_INIT_MOVE (oplist, *dest, v->ptr[v->size]); \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
} \
, /* INIT_SET | INIT_MOVE */ ) \
\
@@ -504,7 +504,7 @@
static inline void \
M_C(name, _pop_until)(array_t v, it_t pos) \
{ \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
M_ASSERT (v == pos->array); \
M_ASSERT_INDEX(pos->index, v->size+1); \
M_C(name, _resize)(v, pos->index); \
@@ -514,21 +514,21 @@
static inline bool \
M_C(name, _empty_p)(const array_t v) \
{ \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
return v->size == 0; \
} \
\
static inline size_t \
M_C(name, _size)(const array_t v) \
{ \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
return v->size; \
} \
\
static inline size_t \
M_C(name, _capacity)(const array_t v) \
{ \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
return v->alloc; \
} \
\
@@ -536,7 +536,7 @@
static inline void \
M_C(name, _pop_at)(type *dest, array_t v, size_t i) \
{ \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
M_ASSERT (v->size > 0 && v->ptr != NULL); \
M_ASSERT_INDEX(i, v->size); \
if (dest) \
@@ -545,13 +545,13 @@
M_CALL_CLEAR(oplist, v->ptr[i]); \
memmove(&v->ptr[i], &v->ptr[i+1], sizeof(type)*(v->size - i) ); \
v->size--; \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
} \
\
static inline bool \
M_C(name, _erase)(array_t a, size_t i) \
{ \
ARRAYI_CONTRACT(a); \
M_ARRA4_CONTRACT(a); \
if (i >= a->size) return false; \
M_C(name, _pop_at)(NULL, a, i); \
return true; \
@@ -562,7 +562,7 @@
static inline void \
M_C(name, _insert_v)(array_t v, size_t i, size_t num) \
{ \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
M_ASSERT_INDEX(i, v->size+1); \
size_t size = v->size + num; \
/* Test for overflow of variable size */ \
@@ -591,14 +591,14 @@
for(size_t k = i ; k < i+num; k++) \
M_CALL_INIT(oplist, v->ptr[k]); \
v->size = size; \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
} \
, /* No INIT */) \
\
static inline void \
M_C(name, _remove_v)(array_t v, size_t i, size_t j) \
{ \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
M_ASSERT(i < j && v->ptr != NULL); \
M_ASSERT_INDEX(i, v->size); \
M_ASSERT_INDEX(j, v->size+1); \
@@ -606,14 +606,14 @@
M_CALL_CLEAR(oplist, v->ptr[k]); \
memmove(&v->ptr[i], &v->ptr[j], sizeof(type)*(v->size - j) ); \
v->size -= (j-i); \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
} \
\
static inline void \
M_C(name, _swap)(array_t v1, array_t v2) \
{ \
ARRAYI_CONTRACT(v1); \
ARRAYI_CONTRACT(v2); \
M_ARRA4_CONTRACT(v1); \
M_ARRA4_CONTRACT(v2); \
size_t tmp = v1->size; \
v1->size = v2->size; \
v2->size = tmp; \
@@ -623,15 +623,15 @@
type *p = v1->ptr; \
v1->ptr = v2->ptr; \
v2->ptr = p; \
ARRAYI_CONTRACT(v1); \
ARRAYI_CONTRACT(v2); \
M_ARRA4_CONTRACT(v1); \
M_ARRA4_CONTRACT(v2); \
} \
\
M_IF_AT_LEAST_METHOD(INIT_SET,INIT_MOVE,oplist) ( \
static inline void \
M_C(name, _swap_at)(array_t v, size_t i, size_t j) \
{ \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
M_ASSERT(v->ptr != NULL); \
M_ASSERT_INDEX(i, v->size); \
M_ASSERT_INDEX(j, v->size); \
@@ -639,14 +639,14 @@
M_DO_INIT_MOVE(oplist, tmp, v->ptr[i]); \
M_DO_INIT_MOVE(oplist, v->ptr[i], v->ptr[j]); \
M_DO_INIT_MOVE(oplist, v->ptr[j], tmp); \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
} \
, /* INIT_SET | INIT_MOVE */ ) \
\
static inline type * \
M_C(name, _get)(const array_t v, size_t i) \
{ \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
M_ASSERT (v->ptr != NULL); \
M_ASSERT_INDEX(i, v->size); \
return &v->ptr[i]; \
@@ -655,7 +655,7 @@
static inline type const * \
M_C(name, _cget)(const array_t v, size_t i) \
{ \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
M_ASSERT (v->ptr != NULL); \
M_ASSERT_INDEX(i, v->size); \
return M_CONST_CAST(type, &v->ptr[i]); \
@@ -664,7 +664,7 @@
static inline type const * \
M_C(name, _front)(const array_t v) \
{ \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
M_ASSERT_INDEX(0, v->size); \
return M_C(name, _cget)(v, 0); \
} \
@@ -672,7 +672,7 @@
static inline void \
M_C(name, _it)(it_t it, const array_t v) \
{ \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
M_ASSERT (it != NULL); \
it->index = 0; \
it->array = v; \
@@ -681,7 +681,7 @@
static inline void \
M_C(name, _it_last)(it_t it, const array_t v) \
{ \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
M_ASSERT (it != NULL); \
/* If size is 0, index is -1 as unsigned, so it is greater than end */ \
it->index = v->size - 1; \
@@ -691,7 +691,7 @@
static inline void \
M_C(name, _it_end)(it_t it, const array_t v) \
{ \
ARRAYI_CONTRACT(v); \
M_ARRA4_CONTRACT(v); \
M_ASSERT (it != NULL); \
it->index = v->size; \
it->array = v; \
@@ -703,7 +703,7 @@
M_ASSERT (it != NULL && org != NULL); \
it->index = org->index; \
it->array = org->array; \
ARRAYI_CONTRACT(it->array); \
M_ARRA4_CONTRACT(it->array); \
} \
\
static inline bool \
@@ -795,7 +795,7 @@
\
M_IF_METHOD2(SWAP, SET, oplist)( \
static inline void \
M_C(name, _special_stable_sort_noalloc) (type tab[], size_t size, type tmp[]) \
M_C3(m_arra4_,name,_stable_sort_noalloc)(type tab[], size_t size, type tmp[]) \
{ \
size_t th = 4; \
M_IF_DEBUG(type *org_tab = tab;) \
@@ -877,7 +877,7 @@
M_MEMORY_FULL(sizeof (type) * l->size); \
return ; \
} \
M_C(name, _special_stable_sort_noalloc)(l->ptr, l->size, temp); \
M_C3(m_arra4_,name,_stable_sort_noalloc)(l->ptr, l->size, temp); \
M_CALL_FREE(oplist, temp); \
} \
,) /* IF SWAP & SET methods */ \
@@ -890,8 +890,7 @@
M_C(name, _get_str)(string_t str, array_t const array, \
bool append) \
{ \
STRINGI_CONTRACT(str); \
ARRAYI_CONTRACT(array); \
M_ARRA4_CONTRACT(array); \
(append ? string_cat_str : string_set_str) (str, "["); \
it_t it; \
for (M_C(name, _it)(it, array) ; \
@@ -903,7 +902,6 @@
string_push_back (str, M_GET_SEPARATOR oplist); \
} \
string_push_back (str, ']'); \
STRINGI_CONTRACT(str); \
} \
, /* no GET_STR */ ) \
\
@@ -911,7 +909,7 @@
static inline void \
M_C(name, _out_str)(FILE *file, const array_t array) \
{ \
ARRAYI_CONTRACT(array); \
M_ARRA4_CONTRACT(array); \
M_ASSERT (file != NULL); \
fputc ('[', file); \
for (size_t i = 0; i < array->size; i++) { \
@@ -928,7 +926,7 @@
static inline bool \
M_C(name, _parse_str)(array_t array, const char str[], const char**endp) \
{ \
ARRAYI_CONTRACT(array); \
M_ARRA4_CONTRACT(array); \
M_ASSERT (str != NULL); \
M_C(name,_clean)(array); \
bool success = false; \
@@ -946,7 +944,7 @@
if (b == false || c == 0) { goto exit_clear; } \
M_C(name, _push_back)(array, item); \
} while (c == M_GET_SEPARATOR oplist); \
ARRAYI_CONTRACT(array); \
M_ARRA4_CONTRACT(array); \
success = (c == ']'); \
exit_clear: \
M_CALL_CLEAR(oplist, item); \
@@ -960,7 +958,7 @@
static inline bool \
M_C(name, _in_str)(array_t array, FILE *file) \
{ \
ARRAYI_CONTRACT(array); \
M_ARRA4_CONTRACT(array); \
M_ASSERT (file != NULL); \
M_C(name,_clean)(array); \
int c = fgetc(file); \
@@ -978,7 +976,7 @@
M_C(name, _push_back)(array, item); \
} while (c == M_GET_SEPARATOR oplist); \
M_CALL_CLEAR(oplist, item); \
ARRAYI_CONTRACT(array); \
M_ARRA4_CONTRACT(array); \
return c == ']'; \
} \
, /* no IN_STR & INIT */ ) \
@@ -987,7 +985,7 @@
static inline m_serial_return_code_t \
M_C(name, _out_serial)(m_serial_write_t f, const array_t array) \
{ \
ARRAYI_CONTRACT(array); \
M_ARRA4_CONTRACT(array); \
M_ASSERT (f != NULL && f->m_interface != NULL); \
m_serial_return_code_t ret; \
m_serial_local_t local; \
@@ -1008,7 +1006,7 @@
static inline m_serial_return_code_t \
M_C(name, _in_serial)(array_t array, m_serial_read_t f) \
{ \
ARRAYI_CONTRACT(array); \
M_ARRA4_CONTRACT(array); \
M_ASSERT (f != NULL && f->m_interface != NULL); \
m_serial_return_code_t ret; \
m_serial_local_t local; \
@@ -1031,7 +1029,7 @@
ret = f->m_interface->read_array_next(local, f); \
} while (ret == M_SERIAL_OK_CONTINUE); \
M_CALL_CLEAR(oplist, item); \
ARRAYI_CONTRACT(array); \
M_ARRA4_CONTRACT(array); \
return ret; \
} \
, /* no IN_SERIAL & INIT */ ) \
@@ -1041,8 +1039,8 @@
M_C(name, _equal_p)(const array_t array1, \
const array_t array2) \
{ \
ARRAYI_CONTRACT(array1); \
ARRAYI_CONTRACT(array2); \
M_ARRA4_CONTRACT(array1); \
M_ARRA4_CONTRACT(array2); \
if (array1->size != array2->size) return false; \
size_t i; \
for(i = 0; i < array1->size; i++) { \
@@ -1059,7 +1057,7 @@
static inline size_t \
M_C(name, _hash)(const array_t array) \
{ \
ARRAYI_CONTRACT(array); \
M_ARRA4_CONTRACT(array); \
M_HASH_DECL(hash); \
for(size_t i = 0 ; i < array->size; i++) { \
size_t hi = M_CALL_HASH(oplist, array->ptr[i]); \
@@ -1072,8 +1070,8 @@
static inline void \
M_C(name, _splice)(array_t a1, array_t a2) \
{ \
ARRAYI_CONTRACT(a1); \
ARRAYI_CONTRACT(a2); \
M_ARRA4_CONTRACT(a1); \
M_ARRA4_CONTRACT(a2); \
if (M_LIKELY (a2->size > 0)) { \
size_t newSize = a1->size + a2->size; \
if (newSize > a1->alloc) { \