/* Function Implementations */
lpPointBlankRange pointblankrange_create(void)
{
lpPointBlankRange pointblankrange;
pointblankrange = malloc(PBR_POINTBLANKRANGE_SIZE);
pointblankrange->atmos = atmos_create();
pointblankrange->bc = bc_create();
return pointblankrange;
}
/*
* main
*/
void expr_parser(bc_t *bc_src) {
// init
bc_in = bc_src;
bc_out = malloc(sizeof(bc_t));
bc_create(bc_out);
byte code = CODE_PEEK();
//
// empty!
//
if (code == kwTYPE_LINE || code == kwTYPE_EOC) {
bc_destroy(bc_out);
free(bc_out);
return;
}
//
// LET|CONST special code
//
if (code == kwTYPE_CMPOPR) {
IP++;
if (CODE(IP) != '=') {
cev_opr_err();
bc_destroy(bc_out);
free(bc_out);
return;
} else {
IP++;
cev_add2(kwTYPE_CMPOPR, '=');
}
}
// start
code = CODE_PEEK();
while (code != kwTYPE_EOC && code != kwTYPE_LINE && !comp_error) {
if (kw_check_evexit(code)) { // separator
cev_add1(code);
IP++; // add sep.
if (code == kwUSE) {
cev_add_addr(0);
// USE needs 2 ips
cev_add_addr(0);
IP += (ADDRSZ + ADDRSZ);
} else if (code == kwAS) {
if (CODE_PEEK() == kwTYPE_SEP) { // OPEN ... AS #1
cev_add1(kwTYPE_SEP);
IP++;
cev_add1(CODE(IP));
IP++;
}
} else {
if (code == kwTYPE_SEP) { // Normal separator (,;)
cev_add1(CODE(IP));
IP++;
}
}
code = CODE_PEEK(); // next
continue;
}
cev_log(); // do it
code = CODE_PEEK(); // next
}
// finish
if (bc_out->count) {
bc_in->count = 0;
bc_append(bc_in, bc_out);
}
bc_destroy(bc_out);
free(bc_out);
}