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Add an equality function.

This commit is contained in:
Danila Fedorin 2018-08-10 19:21:55 -07:00
parent 0824dee594
commit 450d12dc43
1 changed files with 12 additions and 0 deletions
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12
src/interactive.c
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@ -42,6 +42,7 @@ libab_result create_double_value(libab* ab, double val, libab_ref* into) {
return result;
}
FUNCTION(not) {
int* left = libab_unwrap_param(params, 0);
libab_get_bool_value(ab, !(*left), into);
@ -82,6 +83,13 @@ FUNCTION(atan2) {
return create_double_value(ab, atan2(*left, *right), into);
}
FUNCTION(equals_num) {
double* left = libab_unwrap_param(params, 0);
double* right = libab_unwrap_param(params, 1);
libab_get_bool_value(ab, *left == *right, into);
return LIBAB_SUCCESS;
}
FUNCTION(print_num) {
double* param = libab_unwrap_param(params, 0);
printf("%f\n", *param);
@ -129,9 +137,11 @@ libab_result register_functions(libab* ab) {
libab_ref print_bool_type;
libab_ref bool_logic_type;
libab_ref bool_not_type;
libab_ref equals_num_type;
result = libab_create_type(ab, &trig_type, "(num)->num");
TRY(libab_create_type(ab, &atan2_type, "(num, num)->num"));
TRY(libab_create_type(ab, &equals_num_type, "(num, num)->bool"));
TRY(libab_create_type(ab, &difficult_type, "((num)->num)->num"));
TRY(libab_create_type(ab, &print_num_type, "(num)->unit"));
TRY(libab_create_type(ab, &print_unit_type, "(unit)->unit"));
@ -149,9 +159,11 @@ libab_result register_functions(libab* ab) {
TRY(libab_register_function(ab, "or", &bool_logic_type, function_or));
TRY(libab_register_function(ab, "xor", &bool_logic_type, function_xor));
TRY(libab_register_function(ab, "not", &bool_not_type, function_not));
TRY(libab_register_function(ab, "equals", &equals_num_type, function_equals_num));
TRY(libab_register_function(ab, "print", &print_num_type, function_print_num));
TRY(libab_register_function(ab, "print", &print_unit_type, function_print_unit));
TRY(libab_register_function(ab, "print", &print_bool_type, function_print_bool));
TRY(libab_register_operator_infix(ab, "==", 0, -1, "equals"));
TRY(libab_register_operator_infix(ab, "+", 0, -1, "plus"));
TRY(libab_register_operator_infix(ab, "-", 0, -1, "minus"));
TRY(libab_register_operator_infix(ab, "*", 1, -1, "times"));