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feat: progress on list function.

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NunoSempere 2023-05-02 00:32:36 -04:00
parent 467fc866fb
commit 28f94b2ee1
2 changed files with 9 additions and 5 deletions
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src/mumble.c
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@ -333,7 +333,7 @@ lispval* builtin_head(lispval* v){
// but I wanted to write & use clone instead. // but I wanted to write & use clone instead.
return result; return result;
// Returns something that should be freed later: yes. // Returns something that should be freed later: yes.
// Returns something that is independent of the input: yes. // Returns something that doesn't share pointers with the input: yes.
} }
lispval* builtin_tail(lispval* v) lispval* builtin_tail(lispval* v)
@ -360,15 +360,19 @@ lispval* builtin_tail(lispval* v)
return clone_lispval(new); return clone_lispval(new);
// Returns something that should be freed later: yes. // Returns something that should be freed later: yes.
// Returns something that is independent of the input: yes. // Returns something that doesn't share pointers with the input: yes.
} }
lispval* builtin_list(lispval* v){ lispval* builtin_list(lispval* v){
// list ( 1 2 3 ) // list ( 1 2 3 )
LISPVAL_ASSERT(v->count ==1, "Error: function list passed too many arguments"); LISPVAL_ASSERT(v->count ==1, "Error: function list passed too many arguments");
LISPVAL_ASSERT(v->cell[0]->type == LISPVAL_QEXPR, "Error: Argument passed to list is not a q-expr, i.e., a bracketed list."); lispval* old = v->cell[0];
v->type=LISPVAL_QEXPR; LISPVAL_ASSERT(old->type == LISPVAL_SEXPR, "Error: Argument passed to list is not an s-expr, i.e., a list with parenthesis.");
return v; lispval* new = clone_lispval(old);
new->type=LISPVAL_QEXPR;
return new;
// Returns something that should be freed later: yes.
// Returns something that is independent of the input: yes.
} }
lispval* evaluate_lispval(lispval* l); lispval* evaluate_lispval(lispval* l);