RML_END_LABEL
RML_BEGIN_LABEL(External__startsWith)
{
char *str1 = RML_STRINGDATA(rmlA0);
char *str2 = RML_STRINGDATA(rmlA1);
int i = 0;
rml_uint_t len1 = RML_HDRSTRLEN(RML_GETHDR(rmlA0)); /* string lenght1 */
rml_uint_t len2 = RML_HDRSTRLEN(RML_GETHDR(rmlA1)); /* string lenght1 */
/* if the second one is longer than the first we return false */
if (len2 > len1)
{
rmlA0 = RML_FALSE;
RML_TAILCALLK(rmlSC);
}
for (; i < len2; i++)
if (str1[i] != str2[i])
{
rmlA0 = RML_FALSE;
RML_TAILCALLK(rmlSC);
}
/* else, everything is dandy */
rmlA0 = RML_TRUE;
RML_TAILCALLK(rmlSC);
}
RML_END_LABEL
RML_BEGIN_LABEL(External__strrpl)
{
rml_uint_t len1 = RML_HDRSTRLEN(RML_GETHDR(rmlA0)); /* string lenght */
rml_uint_t len2 = RML_HDRSTRLEN(RML_GETHDR(rmlA1)); /* string lenght */
rml_uint_t len3 = RML_HDRSTRLEN(RML_GETHDR(rmlA2)); /* string lenght */
char *str1 = RML_STRINGDATA(rmlA0);
char *str2 = RML_STRINGDATA(rmlA1);
char *str3 = RML_STRINGDATA(rmlA2);
char *strpos;
if (len1 == 0 || len2==0)
{
rmlA0 = rmlA0; /* return the first string unchanged */
RML_TAILCALLK(rmlSC);
}
if ((strpos = strstr(str1, str2)) == NULL) /* the string is not there */
{
rmlA0 = rmlA0; /* return the first string unchanged */
RML_TAILCALLK(rmlSC);
}
else
{
/* string is there */
rml_uint_t len = len1-len2+len3;
/* find where */
rml_uint_t pos = (int)(strpos - str1);
/* alloc the new string */
struct rml_string *strnew = rml_prim_mkstring(len, 3);
int i, j, k;
/* reread the rmlAX, it could have been moved by the GC */
str1 = RML_STRINGDATA(rmlA0);
str2 = RML_STRINGDATA(rmlA1);
str3 = RML_STRINGDATA(rmlA2);
unsigned char *snew = (unsigned char*)strnew->data;
/* until pos, use the first string */
for(i=0; i < pos; i++)
{
*snew++ = str1[i];
}
/* now use str3 */
for(i=0; i < len3; i++)
{
*snew++ = str3[i];
}
/* until end, use the first string again */
for(i=pos+len2; i < len1; i++)
{
*snew++ = str1[i];
}
*snew = '\0';
rmlA0 = RML_TAGPTR(strnew);
RML_TAILCALLK(rmlSC);
}
}
RML_END_LABEL
RML_BEGIN_LABEL(External__getFirstIdent)
{
rml_uint_t len = RML_HDRSTRLEN(RML_GETHDR(rmlA0)); /* string lenght */
rml_uint_t newlen = 0;
int index = 1, i=0;
char *str = RML_STRINGDATA(rmlA0);
if (!isalpha(str[0])) RML_TAILCALLK(rmlFC); /* fail if we don't start with alpha */
while((isalpha(str[index]) ||
(str[index] >= '0' && str[index] <= '9')) &&
index < len) index++;
/* alloc the new string */
struct rml_string *strnew = rml_prim_mkstring(index, 3);
str = RML_STRINGDATA(rmlA0);
unsigned char *snew = (unsigned char*)strnew->data;
for(i=0; i < index; i++)
{
*snew++ = str[i];
}
*snew = '\0';
rmlA0 = RML_TAGPTR(strnew);
RML_TAILCALLK(rmlSC);
}
RML_END_LABEL
RML_BEGIN_LABEL(External__substring)
{
rml_uint_t len = RML_HDRSTRLEN(RML_GETHDR(rmlA0)); /* string lenght */
int index1 = RML_UNTAGFIXNUM(rmlA1);
int index2 = RML_UNTAGFIXNUM(rmlA2);
rml_uint_t newlen = 0;
int i = 0;
if (index2 < 0) index2 = len-1;
if (index1 < 0) index1 = 0;
if (index1 > index2)
{
index1 = RML_UNTAGFIXNUM(rmlA2);
index2 = RML_UNTAGFIXNUM(rmlA1);
}
if (index2 >= len) index2 = len-1;
newlen = index2-index1 + 1;
/* alloc the new string */
struct rml_string *strnew = rml_prim_mkstring(newlen, 3);
char *str = RML_STRINGDATA(rmlA0);
unsigned char *snew = (unsigned char*)strnew->data;
for(i=index1; i <= index2; i++)
{
*snew++ = str[i];
}
*snew = '\0';
rmlA0 = RML_TAGPTR(strnew);
RML_TAILCALLK(rmlSC);
}
RML_END_LABEL
/* misc_print.c */
RML_BEGIN_LABEL(RML__print)
{
void *str = rmlA0;
fwrite(RML_STRINGDATA(str), RML_HDRSTRLEN(RML_GETHDR(str)), 1, stdout);
fflush(stdout);
RML_TAILCALLK(rmlSC);
}
RML_END_LABEL
RML_BEGIN_LABEL(External__toJavaName)
{
void *a0 = rmlA0;
char *str = RML_STRINGDATA(a0);
int i = 0;
int j = 1;
rml_uint_t len = RML_HDRSTRLEN(RML_GETHDR(rmlA0)); /* string lenght */
if (len < 1) RML_TAILCALLK(rmlSC);
/* check if are all caps or "_"
* if they are, do nothing!
*/
for (; i < len;)
if (str[i] != '_' && str[i] != toupper(str[i]))
break;
else i++;
if (i==len) RML_TAILCALLK(rmlSC); /* all caps or "_"; return the same */
i = 1;
char *newstr = (char*)malloc(len+1);
newstr[0] = tolower(str[0]); /* make the first one lowercase */
char *freeme = newstr;
for (; i < len;)
if (str[i] != '_')
{
newstr[j++] = str[i];
i++;
}
else /* is equal */
{
if (i+1 < len)
{
newstr[j++]=toupper(str[i+1]);
i += 2;
}
else
{
newstr[j++] = str[i];
i++;
}
}
newstr[j] = '\0';
len = strlen(newstr);
/* alloc the new string */
struct rml_string *strnew = rml_prim_mkstring(len, 1);
unsigned char *snew = (unsigned char*)strnew->data;
for(; len > 0; --len)
*snew++ = *newstr++;
*snew = '\0';
rmlA0 = RML_TAGPTR(strnew);
free(freeme);
RML_TAILCALLK(rmlSC);
}
/*
* p_equal.c -- implements polymorphic equality for RML
* (This is the reason why reference nodes must still be distinguishable
* from all other values.)
*/
void *rml_prim_equal(void *p, void *q)
{
tail_recur:
/* INV: ISIMM(p) <==> ISIMM(q) */
if( p == q ) {
/* Identical objects are always equal. */
return RML_TRUE;
} else if( RML_ISIMM(p) ) {
/* Different immediate values. */
return RML_FALSE;
} else {
/* Non-identical boxed values. */
rml_uint_t phdr = RML_GETHDR(p);
rml_uint_t qhdr = RML_GETHDR(q);
if( phdr == qhdr ) {
if( phdr == RML_REALHDR ) {
return (rml_prim_get_real(p) == rml_prim_get_real(q))
? RML_TRUE
: RML_FALSE;
} else if( RML_HDRISSTRING(phdr) ) {
if( !memcmp(RML_STRINGDATA(p), RML_STRINGDATA(q), RML_HDRSTRLEN(phdr)) )
return RML_TRUE;
else
return RML_FALSE;
} else if( RML_HDRISSTRUCT(phdr) ) {
rml_uint_t slots = RML_HDRSLOTS(phdr);
void **pp = RML_STRUCTDATA(p);
void **qq = RML_STRUCTDATA(q);
if( slots == 0 )
return RML_TRUE;
while( --slots > 0 )
if( rml_prim_equal(*pp++, *qq++) == RML_FALSE )
return RML_FALSE;
p = *pp;
q = *qq;
goto tail_recur;
} else {
/* Non-identical reference nodes. */
return RML_FALSE;
}
} else {
/* Different sized strings, different constructors of some datatype,
* or reference nodes with different instantiation states.
*/
return RML_FALSE;
}
}
}
RML_END_LABEL
RML_BEGIN_LABEL(External__strrplall)
{
rml_uint_t len1 = RML_HDRSTRLEN(RML_GETHDR(rmlA0)); /* string lenght */
rml_uint_t len2 = RML_HDRSTRLEN(RML_GETHDR(rmlA1)); /* string lenght */
rml_uint_t len3 = RML_HDRSTRLEN(RML_GETHDR(rmlA2)); /* string lenght */
char *str1 = RML_STRINGDATA(rmlA0);
char *str2 = RML_STRINGDATA(rmlA1);
char *str3 = RML_STRINGDATA(rmlA2);
char *strpos;
if (len1 == 0 || len2==0)
{
rmlA0 = rmlA0; /* return the first string unchanged */
RML_TAILCALLK(rmlSC);
}
if ((strpos = strstr(str1, str2)) == NULL) /* the string is not there */
{
rmlA0 = rmlA0; /* return the first string unchanged */
RML_TAILCALLK(rmlSC);
}
else
{
/* string is there */
rml_uint_t len = 0;
/* find where */
rml_uint_t pos = (int)(strpos - str1);
rml_uint_t count = 1; /* we already find it once above */
/* how many times the string is there? */
strpos += len2; /* advance the position */
/*
printf ("str1 [%s], str2[%s], str3[%s]\n", str1, str2, str3);
printf ("strpos:%s\n", strpos);
*/
/* how many times the string is there? */
while ((strpos = strstr(strpos, str2)) != NULL)
{
count++;
/* printf ("strpos:%s\n", strpos); */
strpos += len2;
}
/* calculate the lenght of the new string */
len = len1+(len3-len2)*count;
/* print len
printf("len:%d, len1:%d, len2:%d, len3:%d, count:%d\n", len, len1, len2, len3, count);
*/
/* now alloc the new string */
struct rml_string *strnew = rml_prim_mkstring(len, 3);
int i, j, k;
/* reread the rmlAX, it could have been moved by the GC */
str1 = RML_STRINGDATA(rmlA0);
str2 = RML_STRINGDATA(rmlA1);
str3 = RML_STRINGDATA(rmlA2);
unsigned char *snew = (unsigned char*)strnew->data;
/* until pos, use the first string */
/* go to first */
strpos = strstr(str1, str2);
pos = (int)(strpos - str1);
do
{
/* until pos, use the first string */
/* printf("pos1:%d\n", pos); */
for(i=0; i < pos; i++)
{
*snew++ = str1[i];
}
for(i=0; i < len3; i++)
{
*snew++ = str3[i];
}
/* move the str1 pointer after str2 */
str1 += (pos+len2);
strpos = strstr(str1, str2);
if (!strpos)
{
/* copy stuff left from str1 */
for(i=0; i < strlen(str1); i++)
{
*snew++ = str1[i];
}
break;
}
pos = (int)(strpos - str1);
/* printf("pos2:%d and str1:%s\n", pos, str1); */
}
while (1);
*snew = '\0';
rmlA0 = RML_TAGPTR(strnew);
RML_TAILCALLK(rmlSC);
}
}
void print_scon(FILE *fp, void *scon) {
fprintf(fp, "%.*s", RML_HDRSTRLEN(RML_GETHDR(scon)), RML_STRINGDATA(scon));
}
