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added STIX_EBCFULL, remove unneeded items, changed data type of 'ip' in some functions

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hyunghwan.chung
2016-10-04 17:58:28 +00:00
parent cf8957924e
commit 1960efb7e1
6 changed files with 91 additions and 86 deletions
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23
stix/lib/comp.c
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@ -28,7 +28,7 @@
#define CLASS_BUFFER_ALIGN 64
#define LITERAL_BUFFER_ALIGN 64
#define CODE_BUFFER_ALIGN 64
#define CODE_BUFFER_ALIGN 512
#define BALIT_BUFFER_ALIGN 64
#define ARLIT_BUFFER_ALIGN 64
#define BLK_TMPRCNT_BUFFER_ALIGN 32
@ -1655,20 +1655,29 @@ static int end_include (stix_t* stix)
static STIX_INLINE int emit_byte_instruction (stix_t* stix, stix_oob_t code)
{
stix_oow_t i;
/* the context object has the ip field. it should be representable
* in a small integer. for simplicity, limit the total byte code length
* to fit in a small integer. because 'ip' points to the next instruction
* to execute, he upper bound should be (max - 1) so that i stays
* at the max when incremented */
if (stix->c->mth.code.len == STIX_SMOOI_MAX - 1)
{
stix->errnum = STIX_EBCFULL; /* byte code too big */
return -1;
}
i = stix->c->mth.code.len + 1;
if (i > stix->c->mth.code_capa)
if (stix->c->mth.code.len >= stix->c->mth.code_capa)
{
stix_oob_t* tmp;
stix_oow_t newcapa;
i = STIX_ALIGN (i, CODE_BUFFER_ALIGN);
newcapa = STIX_ALIGN (stix->c->mth.code.len + 1, CODE_BUFFER_ALIGN);
tmp = stix_reallocmem (stix, stix->c->mth.code.ptr, i * STIX_SIZEOF(*tmp));
tmp = stix_reallocmem (stix, stix->c->mth.code.ptr, newcapa * STIX_SIZEOF(*tmp));
if (!tmp) return -1;
stix->c->mth.code.ptr = tmp;
stix->c->mth.code_capa = i;
stix->c->mth.code_capa = newcapa;
}
stix->c->mth.code.ptr[stix->c->mth.code.len++] = code;