496 |
return; |
return; |
497 |
} |
} |
498 |
|
|
499 |
|
eval_start: |
500 |
|
|
501 |
switch(env->head->item->type) { |
switch(env->head->item->type) { |
502 |
/* if it's a symbol */ |
/* if it's a symbol */ |
503 |
case symb: |
case symb: |
504 |
rcl(env); /* get its contents */ |
rcl(env); /* get its contents */ |
505 |
if(env->err) return; |
if(env->err) return; |
506 |
if(env->head->item->type!=symb){ /* don't recurse symbols */ |
if(env->head->item->type!=symb){ /* don't recurse symbols */ |
507 |
return eval(env); /* evaluate the value */ |
goto eval_start; |
508 |
} |
} |
509 |
return; |
return; |
510 |
|
|
530 |
if(env->err) return; |
if(env->err) return; |
531 |
if(iterator->next == NULL){ |
if(iterator->next == NULL){ |
532 |
free_val(temp_val); |
free_val(temp_val); |
533 |
return eval(env); |
goto eval_start; |
534 |
} |
} |
535 |
eval(env); |
eval(env); |
536 |
if(env->err) return; |
if(env->err) return; |
553 |
strcat(temp_string, " ]"); |
strcat(temp_string, " ]"); |
554 |
stack_read(env, temp_string); |
stack_read(env, temp_string); |
555 |
free(temp_string); |
free(temp_string); |
556 |
return eval(env); |
goto eval_start; |
557 |
|
|
558 |
case integer: |
case integer: |
559 |
return; |
return; |
896 |
push_int(&(env->head), env->err); |
push_int(&(env->head), env->err); |
897 |
} |
} |
898 |
|
|
899 |
|
extern void read(environment*); |
900 |
|
|
901 |
int main() |
int main() |
902 |
{ |
{ |
903 |
environment myenv; |
environment myenv; |
|
char in_string[100]; |
|
904 |
|
|
905 |
init_env(&myenv); |
init_env(&myenv); |
906 |
|
|
907 |
printf("okidok\n "); |
while(1) { |
908 |
|
fprintf(stderr, "okidok\n "); |
909 |
while(fgets(in_string, 100, stdin) != NULL) { |
read(&myenv); |
|
stack_read(&myenv, in_string); |
|
910 |
if(myenv.err) { |
if(myenv.err) { |
911 |
printf("(error %d) ", myenv.err); |
printf("(error %d) ", myenv.err); |
912 |
myenv.err=0; |
myenv.err=0; |
913 |
|
} else if(myenv.head->item->type==symb |
914 |
|
&& ((symbol*)(myenv.head->item->content.ptr))->id[0]==';') { |
915 |
|
toss(&myenv); /* No error check in main */ |
916 |
|
eval(&myenv); |
917 |
} |
} |
|
printf("okidok\n "); |
|
918 |
} |
} |
919 |
quit(&myenv); |
quit(&myenv); |
920 |
return EXIT_FAILURE; |
return EXIT_FAILURE; |
960 |
a=env->head->item->content.val; |
a=env->head->item->content.val; |
961 |
toss(env); |
toss(env); |
962 |
if(env->err) return; |
if(env->err) return; |
963 |
b=env->head->item->content.val; |
if(env->head->item->refcount == 1) |
964 |
|
env->head->item->content.val += a; |
965 |
|
else { |
966 |
|
b=env->head->item->content.val; |
967 |
|
toss(env); |
968 |
|
if(env->err) return; |
969 |
|
push_int(&(env->head), a+b); |
970 |
|
} |
971 |
|
} |
972 |
|
|
973 |
|
/* - */ |
974 |
|
extern void sx_2d(environment *env) { |
975 |
|
int a, b; |
976 |
|
|
977 |
|
if((env->head)==NULL || env->head->next==NULL) { |
978 |
|
printerr("Too Few Arguments"); |
979 |
|
env->err=1; |
980 |
|
return; |
981 |
|
} |
982 |
|
|
983 |
|
if(env->head->item->type!=integer |
984 |
|
|| env->head->next->item->type!=integer) { |
985 |
|
printerr("Bad Argument Type"); |
986 |
|
env->err=2; |
987 |
|
return; |
988 |
|
} |
989 |
|
a=env->head->item->content.val; |
990 |
|
toss(env); |
991 |
|
if(env->err) return; |
992 |
|
if(env->head->item->refcount == 1) |
993 |
|
env->head->item->content.val -= a; |
994 |
|
else { |
995 |
|
b=env->head->item->content.val; |
996 |
|
toss(env); |
997 |
|
if(env->err) return; |
998 |
|
push_int(&(env->head), b-a); |
999 |
|
} |
1000 |
|
} |
1001 |
|
|
1002 |
|
/* > */ |
1003 |
|
extern void sx_3e(environment *env) { |
1004 |
|
int a, b; |
1005 |
|
|
1006 |
|
if((env->head)==NULL || env->head->next==NULL) { |
1007 |
|
printerr("Too Few Arguments"); |
1008 |
|
env->err=1; |
1009 |
|
return; |
1010 |
|
} |
1011 |
|
|
1012 |
|
if(env->head->item->type!=integer |
1013 |
|
|| env->head->next->item->type!=integer) { |
1014 |
|
printerr("Bad Argument Type"); |
1015 |
|
env->err=2; |
1016 |
|
return; |
1017 |
|
} |
1018 |
|
a=env->head->item->content.val; |
1019 |
toss(env); |
toss(env); |
1020 |
if(env->err) return; |
if(env->err) return; |
1021 |
push_int(&(env->head), a+b); |
if(env->head->item->refcount == 1) |
1022 |
|
env->head->item->content.val = (env->head->item->content.val > a); |
1023 |
|
else { |
1024 |
|
b=env->head->item->content.val; |
1025 |
|
toss(env); |
1026 |
|
if(env->err) return; |
1027 |
|
push_int(&(env->head), b>a); |
1028 |
|
} |
1029 |
} |
} |
1030 |
|
|
1031 |
/* Return copy of a value */ |
/* Return copy of a value */ |
1154 |
extern void sx_7768696c65(environment *env) { |
extern void sx_7768696c65(environment *env) { |
1155 |
|
|
1156 |
int truth; |
int truth; |
1157 |
|
value *loop, *test; |
1158 |
|
|
1159 |
if((env->head)==NULL || env->head->next==NULL) { |
if((env->head)==NULL || env->head->next==NULL) { |
1160 |
printerr("Too Few Arguments"); |
printerr("Too Few Arguments"); |
1162 |
return; |
return; |
1163 |
} |
} |
1164 |
|
|
1165 |
|
loop= env->head->item; |
1166 |
|
loop->refcount++; |
1167 |
|
toss(env); if(env->err) return; |
1168 |
|
|
1169 |
|
test= env->head->item; |
1170 |
|
test->refcount++; |
1171 |
|
toss(env); if(env->err) return; |
1172 |
|
|
1173 |
do { |
do { |
1174 |
swap(env); if(env->err) return; |
push_val(&(env->head), test); |
1175 |
dup(env); if(env->err) return; |
eval(env); |
|
eval(env); if(env->err) return; |
|
1176 |
|
|
1177 |
if(env->head->item->type != integer) { |
if(env->head->item->type != integer) { |
1178 |
printerr("Bad Argument Type"); |
printerr("Bad Argument Type"); |
1181 |
} |
} |
1182 |
|
|
1183 |
truth= env->head->item->content.val; |
truth= env->head->item->content.val; |
|
|
|
1184 |
toss(env); if(env->err) return; |
toss(env); if(env->err) return; |
|
swap(env); if(env->err) return; |
|
1185 |
|
|
1186 |
if(truth) { |
if(truth) { |
1187 |
dup(env); |
push_val(&(env->head), loop); |
1188 |
eval(env); |
eval(env); |
1189 |
} else { |
} else { |
1190 |
toss(env); |
toss(env); |
|
toss(env); |
|
1191 |
} |
} |
1192 |
|
|
1193 |
} while(truth); |
} while(truth); |
1194 |
|
|
1195 |
|
free_val(test); |
1196 |
|
free_val(loop); |
1197 |
|
} |
1198 |
|
|
1199 |
|
/* For-loop */ |
1200 |
|
extern void sx_666f72(environment *env) { |
1201 |
|
|
1202 |
|
value *loop, *foo; |
1203 |
|
stackitem *iterator; |
1204 |
|
|
1205 |
|
if((env->head)==NULL || env->head->next==NULL) { |
1206 |
|
printerr("Too Few Arguments"); |
1207 |
|
env->err=1; |
1208 |
|
return; |
1209 |
|
} |
1210 |
|
|
1211 |
|
if(env->head->next->item->type != list) { |
1212 |
|
printerr("Bad Argument Type"); |
1213 |
|
env->err=2; |
1214 |
|
return; |
1215 |
|
} |
1216 |
|
|
1217 |
|
loop= env->head->item; |
1218 |
|
loop->refcount++; |
1219 |
|
toss(env); if(env->err) return; |
1220 |
|
|
1221 |
|
foo= env->head->item; |
1222 |
|
foo->refcount++; |
1223 |
|
toss(env); if(env->err) return; |
1224 |
|
|
1225 |
|
iterator= foo->content.ptr; |
1226 |
|
|
1227 |
|
while(iterator!=NULL) { |
1228 |
|
push_val(&(env->head), iterator->item); |
1229 |
|
push_val(&(env->head), loop); |
1230 |
|
eval(env); if(env->err) return; |
1231 |
|
iterator= iterator->next; |
1232 |
|
} |
1233 |
|
|
1234 |
|
free_val(loop); |
1235 |
|
free_val(foo); |
1236 |
|
} |
1237 |
|
|
1238 |
|
/* 'to' */ |
1239 |
|
extern void to(environment *env) { |
1240 |
|
int i, start, ending; |
1241 |
|
|
1242 |
|
if((env->head)==NULL || env->head->next==NULL) { |
1243 |
|
printerr("Too Few Arguments"); |
1244 |
|
env->err=1; |
1245 |
|
return; |
1246 |
|
} |
1247 |
|
|
1248 |
|
if(env->head->item->type!=integer |
1249 |
|
|| env->head->next->item->type!=integer) { |
1250 |
|
printerr("Bad Argument Type"); |
1251 |
|
env->err=2; |
1252 |
|
return; |
1253 |
|
} |
1254 |
|
|
1255 |
|
ending= env->head->item->content.val; |
1256 |
|
toss(env); if(env->err) return; |
1257 |
|
start= env->head->item->content.val; |
1258 |
|
toss(env); if(env->err) return; |
1259 |
|
|
1260 |
|
push_sym(env, "["); |
1261 |
|
|
1262 |
|
if(ending>=start) { |
1263 |
|
for(i= start; i<=ending; i++) |
1264 |
|
push_int(&(env->head), i); |
1265 |
|
} else { |
1266 |
|
for(i= start; i>=ending; i--) |
1267 |
|
push_int(&(env->head), i); |
1268 |
|
} |
1269 |
|
|
1270 |
|
push_sym(env, "["); |
1271 |
|
pack(env); if(env->err) return; |
1272 |
|
} |
1273 |
|
|
1274 |
|
/* Read a string */ |
1275 |
|
extern void readline(environment *env) { |
1276 |
|
char in_string[101]; |
1277 |
|
|
1278 |
|
fgets(in_string, 100, stdin); |
1279 |
|
push_cstring(&(env->head), in_string); |
1280 |
|
} |
1281 |
|
|
1282 |
|
/* Read a value and place on stack */ |
1283 |
|
extern void read(environment *env) { |
1284 |
|
const char symbform[]= "%[a-zA-Z0-9!$%*+./:<=>?@^_~-]%100c"; |
1285 |
|
const char strform[]= "\"%[^\"]\"%100c"; |
1286 |
|
const char intform[]= "%i%100c"; |
1287 |
|
const char blankform[]= "%*[ \t]%100c"; |
1288 |
|
const char ebrackform[]= "%*1[]]%100c"; |
1289 |
|
const char semicform[]= "%*1[;]%100c"; |
1290 |
|
const char bbrackform[]= "%*1[[]%100c"; |
1291 |
|
|
1292 |
|
int itemp, rerun= 0; |
1293 |
|
static int depth= 0; |
1294 |
|
char *rest, *match; |
1295 |
|
static char *in_string= NULL; |
1296 |
|
size_t inlength; |
1297 |
|
|
1298 |
|
if(in_string==NULL) { |
1299 |
|
readline(env); if(env->err) return; |
1300 |
|
|
1301 |
|
in_string= malloc(strlen(env->head->item->content.ptr)+1); |
1302 |
|
strcpy(in_string, env->head->item->content.ptr); |
1303 |
|
toss(env); if(env->err) return; |
1304 |
|
} |
1305 |
|
|
1306 |
|
inlength= strlen(in_string)+1; |
1307 |
|
match= malloc(inlength); |
1308 |
|
rest= malloc(inlength); |
1309 |
|
|
1310 |
|
if(sscanf(in_string, blankform, rest)) { |
1311 |
|
rerun= 1; |
1312 |
|
} else if(sscanf(in_string, intform, &itemp, rest) > 0) { |
1313 |
|
push_int(&(env->head), itemp); |
1314 |
|
} else if(sscanf(in_string, strform, match, rest) > 0) { |
1315 |
|
push_cstring(&(env->head), match); |
1316 |
|
} else if(sscanf(in_string, symbform, match, rest) > 0) { |
1317 |
|
push_sym(env, match); |
1318 |
|
} else if(sscanf(in_string, ebrackform, rest) > 0) { |
1319 |
|
push_sym(env, "["); |
1320 |
|
pack(env); if(env->err) return; |
1321 |
|
if(depth!=0) depth--; |
1322 |
|
} else if(sscanf(in_string, semicform, rest) > 0) { |
1323 |
|
push_sym(env, ";"); |
1324 |
|
} else if(sscanf(in_string, bbrackform, rest) > 0) { |
1325 |
|
push_sym(env, "["); |
1326 |
|
depth++; |
1327 |
|
} else { |
1328 |
|
free(rest); |
1329 |
|
rest= NULL; |
1330 |
|
rerun= 1; |
1331 |
|
} |
1332 |
|
|
1333 |
|
free(in_string); |
1334 |
|
free(match); |
1335 |
|
|
1336 |
|
in_string= rest; |
1337 |
|
|
1338 |
|
if(rerun || depth) |
1339 |
|
return read(env); |
1340 |
} |
} |