value_t fl_accum_julia_symbol(value_t *args, u_int32_t nargs)
{
argcount("accum-julia-symbol", nargs, 2);
ios_t *s = fl_toiostream(args[1], "accum-julia-symbol");
if (!iscprim(args[0]) || ((cprim_t*)ptr(args[0]))->type != wchartype)
type_error("accum-julia-symbol", "wchar", args[0]);
uint32_t wc = *(uint32_t*)cp_data((cprim_t*)ptr(args[0]));
ios_t str;
ios_mem(&str, 0);
while (jl_id_char(wc)) {
ios_getutf8(s, &wc);
if (wc == '!') {
uint32_t nwc;
ios_peekutf8(s, &nwc);
// make sure != is always an operator
if (nwc == '=') {
ios_ungetc('!', s);
break;
}
}
ios_pututf8(&str, wc);
if (ios_peekutf8(s, &wc) == IOS_EOF)
break;
}
ios_pututf8(&str, 0);
return symbol(normalize(str.buf));
}
value_t fl_accum_julia_symbol(fl_context_t *fl_ctx, value_t *args, uint32_t nargs)
{
argcount(fl_ctx, "accum-julia-symbol", nargs, 2);
ios_t *s = fl_toiostream(fl_ctx, args[1], "accum-julia-symbol");
if (!iscprim(args[0]) || ((cprim_t*)ptr(args[0]))->type != fl_ctx->wchartype)
type_error(fl_ctx, "accum-julia-symbol", "wchar", args[0]);
uint32_t wc = *(uint32_t*)cp_data((cprim_t*)ptr(args[0]));
ios_t str;
int allascii=1;
ios_mem(&str, 0);
do {
allascii &= (wc <= 0x7f);
ios_getutf8(s, &wc);
if (wc == '!') {
uint32_t nwc;
ios_peekutf8(s, &nwc);
// make sure != is always an operator
if (nwc == '=') {
ios_ungetc('!', s);
break;
}
}
ios_pututf8(&str, wc);
if (ios_peekutf8(s, &wc) == IOS_EOF)
break;
} while (jl_id_char(wc));
ios_pututf8(&str, 0);
return symbol(fl_ctx, allascii ? str.buf : normalize(fl_ctx, str.buf));
}
value_t fl_skipws(value_t *args, u_int32_t nargs)
{
argcount("skip-ws", nargs, 2);
ios_t *s = fl_toiostream(args[0], "skip-ws");
int newlines = (args[1]!=FL_F);
uint32_t wc=0;
if (ios_peekutf8(s, &wc) == IOS_EOF)
return FL_EOF;
value_t skipped = FL_F;
while (!ios_eof(s) && (is_uws(wc) || is_bom(wc)) && (newlines || wc!=10)) {
skipped = FL_T;
ios_getutf8(s, &wc);
ios_peekutf8(s, &wc);
}
return skipped;
}
value_t fl_skipws(fl_context_t *fl_ctx, value_t *args, uint32_t nargs)
{
argcount(fl_ctx, "skip-ws", nargs, 2);
ios_t *s = fl_toiostream(fl_ctx, args[0], "skip-ws");
int newlines = (args[1]!=fl_ctx->F);
uint32_t wc=0;
value_t skipped = fl_ctx->F;
while (1) {
if (ios_peekutf8(s, &wc) == IOS_EOF) {
ios_getutf8(s, &wc); // to set EOF flag if this is a true EOF
if (!ios_eof(s))
lerror(fl_ctx, symbol(fl_ctx, "error"), "incomplete character");
return fl_ctx->FL_EOF;
}
if (!ios_eof(s) && (is_uws(wc) || is_bom(wc)) && (newlines || wc!=10)) {
skipped = fl_ctx->T;
ios_getutf8(s, &wc);
}
else {
break;
}
}
return skipped;
}