Experiments/libabacus
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Add a boolean type.

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This commit is contained in:
Danila Fedorin 2018-08-10 00:52:12 -07:00
parent 6b331cc3c4
commit 25f5d3469b
5 changed files with 60 additions and 0 deletions
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5
include/free_functions.h
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@ -24,6 +24,11 @@ void libab_free_function_list(void* func_list);
* @param unit the unit to free.
*/
void libab_free_unit(void* unit);
/**
* Frees a boolean value.
* @param b the bool to free.
*/
void libab_free_bool(void* b);
/**
* Frees a parsetype.
* @param parsetype the parsetype to free.

16
include/libabacus.h
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@ -47,6 +47,10 @@ struct libab_s {
* The number type instance.
*/
libab_ref type_num;
/**
* The boolean type instance.
*/
libab_ref type_bool;
/**
* The function list type instance.
*/
@ -144,6 +148,12 @@ libab_result libab_create_type(libab* ab, libab_ref* into, const char* type);
* @return the num basetype.
*/
libab_basetype* libab_get_basetype_num(libab* ab);
/**
* Finds and returns the built-in libabacus boolean type.
* @param ab the ab instance for which to return a type.
* @return the boolean basetype.
*/
libab_basetype* libab_get_basetype_bool(libab* ab);
/**
* Finds and returns the built-in libabacus function type.
* @param ab the ab instance for which to return a type.
@ -169,6 +179,12 @@ libab_basetype* libab_get_basetype_unit(libab* ab);
* @param into the reference to store the type into.
*/
void libab_get_type_num(libab* ab, libab_ref* into);
/**
* Get the type of a boolean in this libabacus instance.
* @param ab the instance to get the type for.
* @param into the reference to store the type into.
*/
void libab_get_type_bool(libab* ab, libab_ref* into);
/**
* Get the type of the function list in this libabacus instance.
* @param ab the instance to get the type for.

3
src/free_functions.c
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@ -16,6 +16,9 @@ void libab_free_function_list(void* function_list) {
}
void libab_free_unit(void* unit) {
}
void libab_free_bool(void* b) {
free(b);
}
void libab_free_parsetype(void* parsetype) {
libab_parsetype_free(parsetype);

11
src/interactive.c
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@ -58,6 +58,13 @@ libab_result function_print_num(libab* ab, libab_ref* scope, libab_ref_vec* para
return LIBAB_SUCCESS;
}
libab_result function_print_bool(libab* ab, libab_ref* scope, libab_ref_vec* params, libab_ref* into) {
int* param = libab_unwrap_param(params, 0);
printf("%s\n", *param ? "true" : "false");
libab_get_unit_value(ab, into);
return LIBAB_SUCCESS;
}
libab_result function_print_unit(libab* ab, libab_ref* scope, libab_ref_vec* params, libab_ref* into) {
printf("()\n");
libab_get_unit_value(ab, into);
@ -88,12 +95,14 @@ libab_result register_functions(libab* ab) {
libab_ref difficult_type;
libab_ref print_num_type;
libab_ref print_unit_type;
libab_ref print_bool_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_create_type(ab, &print_bool_type, "(bool)->unit"));
TRY(libab_register_function(ab, "atan", &trig_type, function_atan));
TRY(libab_register_function(ab, "atan2", &atan2_type, function_atan2));
@ -103,6 +112,7 @@ libab_result register_functions(libab* ab) {
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_function(ab, "print", &print_bool_type, function_print_bool));
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"));
@ -113,6 +123,7 @@ libab_result register_functions(libab* ab) {
libab_ref_free(&difficult_type);
libab_ref_free(&print_num_type);
libab_ref_free(&print_unit_type);
libab_ref_free(&print_bool_type);
return result;
}

25
src/libabacus.c
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@ -16,6 +16,8 @@ static libab_basetype _basetype_function = {libab_free_function,
static libab_basetype _basetype_unit = { libab_free_unit, NULL, 0 };
static libab_basetype _basetype_bool = { libab_free_bool, NULL, 0 };
libab_result _prepare_types(libab* ab, void (*free_function)(void*));
libab_result libab_init(libab* ab, void* (*parse_function)(const char*),
@ -27,6 +29,7 @@ libab_result libab_init(libab* ab, void* (*parse_function)(const char*),
libab_result result;
libab_ref_null(&null_ref);
libab_ref_null(&ab->type_num);
libab_ref_null(&ab->type_bool);
libab_ref_null(&ab->type_function_list);
libab_ref_null(&ab->type_unit);
@ -35,6 +38,7 @@ libab_result libab_init(libab* ab, void* (*parse_function)(const char*),
if (result == LIBAB_SUCCESS) {
libab_ref_free(&ab->type_num);
libab_ref_free(&ab->type_bool);
libab_ref_free(&ab->type_function_list);
libab_ref_free(&ab->type_unit);
result = _prepare_types(ab, free_function);
@ -59,6 +63,7 @@ libab_result libab_init(libab* ab, void* (*parse_function)(const char*),
if (result != LIBAB_SUCCESS) {
libab_ref_free(&ab->table);
libab_ref_free(&ab->type_num);
libab_ref_free(&ab->type_bool);
libab_ref_free(&ab->type_function_list);
libab_ref_free(&ab->type_unit);
@ -282,6 +287,7 @@ libab_result _prepare_types(libab* ab, void (*free_function)(void*)) {
ab->basetype_num.free_function = free_function;
libab_ref_null(&ab->type_num);
libab_ref_null(&ab->type_bool);
libab_ref_null(&ab->type_function_list);
libab_ref_null(&ab->type_unit);
@ -291,6 +297,12 @@ libab_result _prepare_types(libab* ab, void (*free_function)(void*)) {
libab_instantiate_basetype(&ab->basetype_num, &ab->type_num, 0);
}
if (result == LIBAB_SUCCESS) {
libab_ref_free(&ab->type_bool);
result =
libab_instantiate_basetype(&_basetype_bool, &ab->type_bool, 0);
}
if (result == LIBAB_SUCCESS) {
libab_ref_free(&ab->type_function_list);
result = libab_instantiate_basetype(&_basetype_function_list,
@ -306,6 +318,10 @@ libab_result _prepare_types(libab* ab, void (*free_function)(void*)) {
result = libab_register_basetype(ab, "num", &ab->basetype_num);
}
if(result == LIBAB_SUCCESS) {
result = libab_register_basetype(ab, "bool", &_basetype_bool);
}
if (result == LIBAB_SUCCESS) {
result = libab_register_basetype(ab, "function", &_basetype_function);
}
@ -321,9 +337,11 @@ libab_result _prepare_types(libab* ab, void (*free_function)(void*)) {
if (result != LIBAB_SUCCESS) {
libab_ref_free(&ab->type_num);
libab_ref_free(&ab->type_bool);
libab_ref_free(&ab->type_function_list);
libab_ref_free(&ab->type_unit);
libab_ref_null(&ab->type_num);
libab_ref_null(&ab->type_bool);
libab_ref_null(&ab->type_function_list);
libab_ref_null(&ab->type_unit);
}
@ -350,6 +368,8 @@ libab_result libab_create_type(libab* ab, libab_ref* into, const char* type) {
libab_basetype* libab_get_basetype_num(libab* ab) { return &ab->basetype_num; }
libab_basetype* libab_get_basetype_bool(libab* ab) { return &_basetype_bool; }
libab_basetype* libab_get_basetype_function(libab* ab) {
return &_basetype_function;
}
@ -366,6 +386,10 @@ void libab_get_type_num(libab* ab, libab_ref* into) {
libab_ref_copy(&ab->type_num, into);
}
void libab_get_type_bool(libab* ab, libab_ref* into) {
libab_ref_copy(&ab->type_bool, into);
}
void libab_get_type_function_list(libab* ab, libab_ref* into) {
libab_ref_copy(&ab->type_function_list, into);
}
@ -493,6 +517,7 @@ libab_result libab_free(libab* ab) {
libab_table_free(libab_ref_get(&ab->table));
libab_ref_free(&ab->table);
libab_ref_free(&ab->type_num);
libab_ref_free(&ab->type_bool);
libab_ref_free(&ab->type_function_list);
libab_ref_free(&ab->type_unit);
libab_parser_free(&ab->parser);