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This commit is contained in:
Simon Forman 2023-03-21 09:27:00 -07:00
parent 8986b8c619
commit f2fe704ba6
1 changed files with 10 additions and 9 deletions
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19
implementations/uvm-ncc/joy.c
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@ -59,6 +59,9 @@ char *error_messages[3] = {
};
*/
#define PRINT_I64(message, number) { print_str(message); print_i64(number); print_endl(); }
/*
██████╗ ██████╗ ███╗ ██╗███████╗ ██╗ ██╗███████╗ █████╗ ██████╗
██╔════╝██╔═══██╗████╗ ██║██╔════╝ ██║ ██║██╔════╝██╔══██╗██╔══██╗
@ -586,8 +589,9 @@ joy_eval(char *symbol, u32 stack, u32 expression)
else MATCH("pop") { stack = pop(stack); }
else MATCH("dup") { stack = dup(stack); }
else MATCH("stack") { stack = cons(stack, stack); }
else MATCH("rest") { stack = rest(stack); }
else MATCH("swap") { stack = swap(stack); }
// first, rest, ...
// first ...
//else MATCH("") { stack = (stack); }
CHECK_ERROR
//print_str(symbol);print_endl();
@ -611,12 +615,13 @@ rest(u32 stack)
{
u32 list = pop_list(stack);
CHECK_ERROR
stack = tail(stack);
if (!list) {
error = CANNOT_TAKE_REST_OF_EMPTY_LIST;
return 0;
}
stack = cons(tail(list), stack);
stack = tail(stack);
list = tail(list);
stack = cons(list, stack);
CHECK_ERROR
return stack;
}
@ -713,17 +718,13 @@ main()
print_endl();
*/
u32 expression = text_to_expression("1 2 3 stack dup swaack swap");
u32 expression = text_to_expression("1 2 3 stack rest");
//u32 expression = text_to_expression("1 2 3 clear 4 5 6");
//u32 expression = text_to_expression(" 1[2[true 3][aa[aa bb] aa bb cc]bob]false[]bob 3[4] ga[]ry");
print_joy_list(expression);
print_endl();
u32 stack = joy(empty_list, expression);
if (error) {
print_str("error: ");
print_i64(error);
print_endl();
} else {
if (error) PRINT_I64("error: ", error) else {
print_joy_list(stack);
print_endl();
}