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sub and mul through judicious (I hope) use of macros.

This commit is contained in:
Simon Forman 2023-02-03 19:38:18 -08:00
parent ecf79b9de0
commit 99fb04397f
1 changed files with 22 additions and 15 deletions
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37
implementations/C/joy.c
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@ -327,25 +327,34 @@ pop_int(JoyList *stack) {
}
}
void
add(JoyList *stack, __attribute__((unused)) JoyList *expression)
{
mpz_t *a, *b;
JoyList node;
a = pop_int(stack);
b = pop_int(stack);
node = newJoyList;
JoyList
newIntNode(void) {
JoyList node = newJoyList;
node->head.kind = joyInt;
mpz_init(node->head.value.i);
GC_register_finalizer(node->head.value.i, my_callback, NULL, NULL, NULL);
mpz_add(node->head.value.i, *a, *b);
node->tail = *stack;
*stack = node;
return node;
}
#define BINARY_MATH_OP(name) \
void \
name(JoyList *stack, __attribute__((unused)) JoyList *expression) \
{ \
mpz_t *a, *b; \
JoyList node; \
a = pop_int(stack); \
b = pop_int(stack); \
node = newIntNode(); \
mpz_ ## name(node->head.value.i, *a, *b); \
node->tail = *stack; \
*stack = node; \
}
BINARY_MATH_OP(add)
BINARY_MATH_OP(sub)
BINARY_MATH_OP(mul)
void branch(JoyList *stack, JoyList *expression) {stack = expression;}
void clear(JoyList *stack, JoyList *expression) {stack = expression;}
@ -359,9 +368,7 @@ void gt(JoyList *stack, JoyList *expression) {stack = expression;}
void le(JoyList *stack, JoyList *expression) {stack = expression;}
void lt(JoyList *stack, JoyList *expression) {stack = expression;}
void mod(JoyList *stack, JoyList *expression) {stack = expression;}
void mul(JoyList *stack, JoyList *expression) {stack = expression;}
void neq(JoyList *stack, JoyList *expression) {stack = expression;}
void sub(JoyList *stack, JoyList *expression) {stack = expression;}
void truthy(JoyList *stack, JoyList *expression) {stack = expression;}