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Updated copy function to work properly with larger parsers

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This commit is contained in:
Daniel Holden
2016-03-03 10:34:52 +00:00
parent c2908c37bb
commit 4da2ae5feb
2 changed files with 103 additions and 1 deletions
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65
mpc.c
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@@ -1365,14 +1365,77 @@ mpc_parser_t *mpc_new(const char *name) {
}
mpc_parser_t *mpc_copy(mpc_parser_t *a) {
mpc_parser_t *p = mpc_undefined();
int i = 0;
mpc_parser_t *p;
if (a->retained) { return a; }
p = mpc_undefined();
p->retained = a->retained;
p->type = a->type;
p->data = a->data;
if (a->name) {
p->name = malloc(strlen(a->name)+1);
strcpy(p->name, a->name);
}
switch (a->type) {
case MPC_TYPE_FAIL:
p->data.fail.m = malloc(strlen(a->data.fail.m)+1);
strcpy(p->data.fail.m, a->data.fail.m);
break;
case MPC_TYPE_ONEOF:
case MPC_TYPE_NONEOF:
case MPC_TYPE_STRING:
p->data.string.x = malloc(strlen(a->data.string.x)+1);
strcpy(p->data.string.x, a->data.string.x);
break;
case MPC_TYPE_APPLY: p->data.apply.x = mpc_copy(a->data.apply.x); break;
case MPC_TYPE_APPLY_TO: p->data.apply_to.x = mpc_copy(a->data.apply_to.x); break;
case MPC_TYPE_PREDICT: p->data.predict.x = mpc_copy(a->data.predict.x); break;
case MPC_TYPE_MAYBE:
case MPC_TYPE_NOT:
p->data.not.x = mpc_copy(a->data.not.x);
break;
case MPC_TYPE_EXPECT:
p->data.expect.x = mpc_copy(a->data.expect.x);
p->data.expect.m = malloc(strlen(a->data.expect.m)+1);
strcpy(p->data.expect.m, a->data.expect.m);
break;
case MPC_TYPE_MANY:
case MPC_TYPE_MANY1:
case MPC_TYPE_COUNT:
p->data.repeat.x = mpc_copy(a->data.repeat.x);
break;
case MPC_TYPE_OR:
p->data.or.xs = malloc(a->data.or.n * sizeof(mpc_parser_t*));
for (i = 0; i < a->data.or.n; i++) {
p->data.or.xs[i] = mpc_copy(a->data.or.xs[i]);
}
break;
case MPC_TYPE_AND:
p->data.and.xs = malloc(a->data.and.n * sizeof(mpc_parser_t*));
for (i = 0; i < a->data.and.n; i++) {
p->data.and.xs[i] = mpc_copy(a->data.and.xs[i]);
}
p->data.and.dxs = malloc((a->data.and.n-1) * sizeof(mpc_dtor_t));
for (i = 0; i < a->data.and.n-1; i++) {
p->data.and.dxs[i] = a->data.and.dxs[i];
}
break;
default: break;
}
return p;
}