Add utilities to reuse common internal function code.

This commit is contained in:
Danila Fedorin 2018-05-26 15:04:07 -07:00
parent 88b32ef58d
commit fb55e20e84
3 changed files with 32 additions and 2 deletions

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@ -127,5 +127,23 @@ libab_result libab_create_function_list(libab_ref* into, libab_ref* type);
*/
libab_result libab_put_table_value(libab_table* table, const char* key,
libab_ref* value);
/**
* Returns the data stored in the given reference to a libab_value.
* This is not the same as libab_ref_get: libab_ref_get will return directly
* the data pointed to by the ference. libab_unwrap_value assumes the reference
* it's given is that to a libab_value, extracts it, then extracts its data
* field.
* @param ref the reference to unwrap.
* @return the resulting data.
*/
void* libab_unwrap_value(libab_ref* ref);
/**
* Similar to unwrap_value; Assumes the vector is a vector of
* values, and unwraps the value at the given index.
* @param vec the vector to unwrap a value from.
* @param index the index to look up.
* @return the value at the given index.
*/
void* libab_unwrap_param(libab_ref_vec* vec, size_t index);
#endif

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@ -438,8 +438,6 @@ libab_result _interpreter_call_function(struct interpreter_state* state, libab_r
if(result == LIBAB_SUCCESS) {
libab_ref_free(into);
result = _interpreter_cast_and_perform_call(function, params, &temp_new_types, into);
} else {
printf("Failed check. %d\n", result);
}
libab_ref_vec_free(&temp_new_types);

View File

@ -309,3 +309,17 @@ libab_result libab_put_table_value(libab_table* table, const char* key,
return result;
}
void* libab_unwrap_value(libab_ref* ref) {
libab_value* value = libab_ref_get(ref);
return libab_ref_get(&value->data);
}
void* libab_unwrap_param(libab_ref_vec* vec, size_t index) {
libab_ref temp;
void* data;
libab_ref_vec_index(vec, index, &temp);
data = libab_unwrap_value(&temp);
libab_ref_free(&temp);
return data;
}