Experiments/libabacus
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Use the unit type correctly instead of null references.

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This commit is contained in:
Danila Fedorin
2018-06-02 16:06:13 -07:00
parent 8207f1f450
commit 62dd41e634
4 changed files with 46 additions and 23 deletions
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50
src/interactive.c
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@@ -2,6 +2,7 @@
#include "util.h"
#include "value.h"
#include <stdio.h>
#include <math.h>
#define TRY(expression) \
if (result == LIBAB_SUCCESS) \
@@ -18,25 +19,6 @@ void* impl_parse(const char* string) {
void impl_free(void* data) { free(data); }
libab_result function_atan(libab* ab, libab_ref_vec* params, libab_ref* into) {
printf("atan called\n");
libab_ref_null(into);
return LIBAB_SUCCESS;
}
libab_result function_atan2(libab* ab, libab_ref_vec* params, libab_ref* into) {
printf("atan2 called\n");
libab_ref_null(into);
return LIBAB_SUCCESS;
}
libab_result function_print_num(libab* ab, libab_ref_vec* params, libab_ref* into) {
double* param = libab_unwrap_param(params, 0);
printf("%f\n", *param);
libab_ref_null(into);
return LIBAB_SUCCESS;
}
libab_result create_double_value(libab* ab, double val, libab_ref* into) {
libab_ref type_num;
libab_result result = LIBAB_SUCCESS;
@@ -56,6 +38,32 @@ libab_result create_double_value(libab* ab, double val, libab_ref* into) {
return result;
}
libab_result function_atan(libab* ab, libab_ref_vec* params, libab_ref* into) {
printf("atan called\n");
double* val = libab_unwrap_param(params, 0);
return create_double_value(ab, atan(*val), into);
}
libab_result function_atan2(libab* ab, libab_ref_vec* params, libab_ref* into) {
printf("atan2 called\n");
double* left = libab_unwrap_param(params, 0);
double* right = libab_unwrap_param(params, 1);
return create_double_value(ab, atan2(*left, *right), into);
}
libab_result function_print_num(libab* ab, libab_ref_vec* params, libab_ref* into) {
double* param = libab_unwrap_param(params, 0);
printf("%f\n", *param);
libab_get_unit_value(ab, into);
return LIBAB_SUCCESS;
}
libab_result function_print_unit(libab* ab, libab_ref_vec* params, libab_ref* into) {
printf("()\n");
libab_get_unit_value(ab, into);
return LIBAB_SUCCESS;
}
#define OP_FUNCTION(name, expression) \
libab_result name(libab* ab, libab_ref_vec* params, libab_ref* into) { \
libab_result result = LIBAB_SUCCESS; \
@@ -79,11 +87,13 @@ libab_result register_functions(libab* ab) {
libab_ref atan2_type;
libab_ref difficult_type;
libab_ref print_num_type;
libab_ref print_unit_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, &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"));
TRY(libab_register_function(ab, "atan", &trig_type, function_atan));
TRY(libab_register_function(ab, "atan2", &atan2_type, function_atan2));
@@ -92,6 +102,7 @@ libab_result register_functions(libab* ab) {
TRY(libab_register_function(ab, "times", &atan2_type, function_times));
TRY(libab_register_function(ab, "divide", &atan2_type, function_divide));
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_operator_infix(ab, "+", 0, -1, "plus"));
TRY(libab_register_operator_infix(ab, "-", 0, -1, "minus"));
TRY(libab_register_operator_infix(ab, "*", 1, -1, "times"));
@@ -101,6 +112,7 @@ libab_result register_functions(libab* ab) {
libab_ref_free(&atan2_type);
libab_ref_free(&difficult_type);
libab_ref_free(&print_num_type);
libab_ref_free(&print_unit_type);
return result;
}