step: some more scaffolding for funcs.

This commit is contained in:
NunoSempere 2023-05-02 11:10:19 -04:00
parent 2854b79f62
commit 0a9f5702be

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@ -646,16 +646,18 @@ lispval* builtin_functions(char* func, lispval* v, lispenv* env)
// Evaluate the lispval
lispval* evaluate_lispval(lispval* l, lispenv* env)
{
// Check if this is neither an s-expression nor a symbol; otherwise return as is.
if (l->type != LISPVAL_SEXPR && l->type != LISPVAL_SYM)
return l;
// Check if this is a symbol
if(l->type == LISPVAL_SYM){
get_from_lispenv(l->sym, env);
}
// Check if this is an s-expression
if (l->type != LISPVAL_SEXPR)
return l;
// Evaluate the children if needed
// Evaluate the children if needed
for (int i = 0; i < l->count; i++) {
if (l->cell[i]->type == LISPVAL_SEXPR) {
if (l->cell[i]->type == LISPVAL_SEXPR || l->cell[i]->type == LISPVAL_SYM) {
l->cell[i] = evaluate_lispval(l->cell[i], env);
}
}
@ -667,17 +669,18 @@ lispval* evaluate_lispval(lispval* l, lispenv* env)
}
// Check if the first element is an operation.
if (l->count >= 2 && ((l->cell[0])->type == LISPVAL_SYM)) {
if (l->count >= 2 && ((l->cell[0])->type == LISPVAL_FUNC)) {
lispval* temp = clone_lispval(l->cell[0]);
lispval* operation = pop_lispval(l, 0);
lispval* f = pop_lispval(l, 0);
lispval* operands = temp;
// lispval* operation = clone_lispval(l->cell[0]);
// lispval* operands = lispval_sexpr();
// for (int i = 1; i < l->count; i++) {
// lispval_append_child(operands, l->cell[i]);
// }
lispval* answer = builtin_functions(operation->sym, l, env);
delete_lispval(operation);
lispval* answer = f->func(env, operands);
// builtin_functions(operation->sym, l, env);
delete_lispval(f);
delete_lispval(operands);
return answer;
}